Hair dye developer packaging and straw-in-straw degassing units and containers thereof

Abstract

A formulation cartridge including a body portion configured to contain a formulation pouch, a release located on a body portion of the formulation cartridge, a handle portion configured to enclose at least a portion of the body portion, and a protrusion internal to the handle portion, where the protrusion is configured to apply pressure onto the release when the body portion is inserted into the handle portion, and where the pressure degasses the body portion of the formulation pouch. A straw-in-straw degassing unit for degassing liquid formulas and compositions, and pouches including the degassing unit. A straw-in-straw degassing unit includes an outer tube with a first outer tube aperture and a second outer tube aperture. An inner tube is slidably nested within an interior of the outer tube. The inner and outer tubes slidably interact and a liquid can be expulsed from a container without substantial expulsion of gas therefrom.

Description

HAIR DYE DEVELOPER PACKAGING AND STRAW-IN-STRAW DEGASSINGUNITS AND CONTAINERS THEREOFCROSS-REFERENCES TO RELATED APPLICATIONS

[0001] This application claims the benefit of U.S. Patent Application No. 18 / 928989, filed October 28, 2024, U.S. Patent Application No. 18 / 928602, filed October 28, 2024, French Patent Application No. 2413667, filed December 9, 2024, and French patent Application No. 2413669, filed December 9, 2024; the contents of which are hereby incorporated by reference in their entirety for all purposes.SUMMARY

[0002] Aspects of the present disclosure relate to formulation pouches with degassing units thereto.

[0003] In an aspect, the disclosure provides a straw-in-straw degassing unit with an output nozzle; an outer tube, the outer tube comprising a first side and a second side, wherein the first side of the outer tube is coupled to the output nozzle, thereby placing an interior of the outer tube in fluid communication with an outlet of the output nozzle, the outer tube further comprising: a first outer tube aperture defined along a wall of the outer tube in a first outer tube location proximate the first side of the outer tube, and a second outer tube aperture defined along the wall of the outer tube in a second outer tube location proximate the second side of the outer tube; an inner tube nested within an interior of the outer tube and wherein an exterior of the inner tube is configured to slidably contact the interior of the outer tube, the inner tube comprising a first side and a second side, the inner tube further comprising a first inner tube aperture defined along a wall of the inner tube; and a buoyant element coupled to the second side of the inner tube and disposed exterior to the second side of the outer tube, wherein a diameter of the buoyant element is greater than an internal diameter of the outer tube.

[0004] In an aspect, the disclosure provides a formulation pouch, comprising: a formulation packet defining a formulation chamber; and a straw-in-straw degassing unit, wherein the straw-in-straw degassing unit is disposed within the formulation chamber, and wherein the output nozzle is disposed at a first side of the formulation packet.

[0005] In embodiments, the formulation pouch includes a non-gaseous formulation disposed inside the formulation chamber. The non-gaseous formulation comprises a formulation density and the buoyant element comprises a buoyant elementdensity. In embodiments, a magnitude of the buoyant element density is smaller than a magnitude of the formulation density. In embodiments, the buoyant element comprises an encapsulated air pocket.

[0006] In embodiments, when the first inner tube aperture aligns with the second outer tube aperture, a first inlet channel is defined, thereby permitting a flow of non-gaseous formulation from the formulation chamber, through the second outer tube aperture, the first inner tube aperture, and an interior of the inner tube, and out through the output nozzle. In embodiments, when the first inner tube aperture is not aligned with the second outer tube aperture, a second inlet channel is formed through the first outer tube aperture, thereby permitting a flow of non-gaseous formulation from the formulation chamber, through the first outer tube aperture and an interior of the outer tube, and out through the output nozzle.

[0007] In embodiments, the first inner tube aperture comprises a plurality of first inner tube micro-bores formed around a circumference of the inner tube. In embodiments, the first outer tube aperture comprises a plurality of first outer tube micro-bores formed substantially around a circumference of the outer tube at the first outer tube location. In embodiments, the second outer tube aperture comprises a plurality of second outer tube micro-bores formed substantially around a circumference of the outer tube at the second outer tube location. In embodiments, the second side of the inner tube defines an aperture that is in fluid communication with the formulation chamber. In embodiments, the outer tube further comprises a third outer tube aperture, a fourth outer tube aperture, a fifth outer tube aperture, a sixth outer tube aperture, a seventh outer tube aperture, an eighth outer tube aperture, a ninth outer tube aperture, or a tenth outer tube aperture. In embodiments, the inner tube further comprises a second inner tube aperture, a third inner tube aperture, a fourth inner tube aperture, or a fifth inner tube aperture.

[0008] In embodiments, the formulation pouch further comprises a porous cage configured to encapsulate the outer tube and buoyant module without contacting the outer tube or buoyant module. The porous cage can contact a second side of the formulation packet.

[0009] In another aspect, the disclosure provides a formulation cartridge including a body portion configured to contain a formulation pouch, a release located on a body portion of the formulation cartridge, a handle portion configured to enclose at least a portion of the body portion, and a protrusion internal to the handle portion, where the protrusion is configured to apply pressure onto the release when the body portion is insertedinto the handle portion, and where the pressure degasses the body portion of the formulation pouch.

[0010] In embodiments, the release is located on a rear body portion of the formulation cartridge. In embodiments, the release is located on a hump of the body portion of the formulation cartridge.

[0011] In embodiments, the protrusion is triangular. In embodiments, the protrusion is a first protrusion located on a first internal side of the handle portion, and the formula cartridge further includes a second protrusion located on a second internal side of the handle portion on a second internal side of the handle potion, opposite the first internal side. In embodiments, the protrusion is a bump.

[0012] In embodiments, the protrusion is a spring. In embodiments, the spring comprises a coil and a platform. In embodiments, the spring is selected from a compression spring, a leaf spring, or a molded spring. In embodiments, the formulation cartridge further includes a valve configured to purge gas emitted from the release, and where the valve is force balanced to the spring.

[0013] In embodiments, the protrusion is located on a side of the handle portion. In embodiments, the release is located on a half of the body portion of the formulation cartridge.

[0014] In embodiments, the protrusion is located on a bottom of the handle portion.

[0015] In embodiments, when pressure is applied to the release, an opening is formed.

[0016] In embodiments, the formulation cartridge further includes a valve configured to purge gas emitted from the release.

[0017] In embodiments, the formulation cartridge further comprises the formulation pouch, and where the formulation pouch contains a hair developer.

[0018] In another aspect, the disclosure provides a method of degassing the formula cartridge described herein, the method including placing the formula pouch into the body portion of the formulation cartridge, inserting the body portion into the handle portion, contacting the protrusion inside the handle portion with the release on the body portion, applying pressure to the release with the protrusion, and degassing the formulation cartridge.

[0019] In embodiments, applying pressure to the release forms an opening in the body portion.

[0020] In embodiments, the method further includes purging gas emitted by the release with a valve on the formulation cartridge.

[0021] In embodiments, the protrusion is a spring, and the method further includes purging gas emitted by the release with a valve on the formulation cartridge, wherein the valve is force balanced to the spring.

[0022] This summary is provided to introduce a selection of concepts in a simplified form that are further described below in the Detailed Description. This summary is not intended to identify key features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.DESCRIPTION OF THE DRAWINGS

[0023] FIG. l is a schematic view of a formulation delivery system, in accordance with the present technology;

[0024] FIG. 2 is an example device, in accordance with the present technology;

[0025] FIG. 3A is an example formula cartridge, in accordance with the present technology;

[0026] FIG. 3B is an example formula cartridge, in accordance with the present technology;

[0027] FIG. 4 shows an exploded perspective view of the formulation cartridge of FIG. 5, in accordance with the present technology;

[0028] FIG. 5 is a rear perspective view of a formulation cartridge, in accordance with the present technology;

[0029] FIG. 6A shows example releases of a formula cartridge, in accordance with the present technology;

[0030] FIG. 6B shows example releases of a formula cartridge, in accordance with the present technology;

[0031] FIG. 6C shows example releases of a formula cartridge, in accordance with the present technology;

[0032] FIG. 6D shows example releases of a formula cartridge, in accordance with the present technology;

[0033] FIG. 7A is a process diagram of degassing a formula cartridge, in accordance with the present technology;

[0034] FIG. 7B is a process diagram of degassing a formula cartridge, in accordance with the present technology;

[0035] FIG. 7C is a process diagram of degassing a formula cartridge, in accordance with the present technology;

[0036] FIG. 8A is an example handle portions, in accordance with the present technology;

[0037] FIG. 8B is an example handle portions, in accordance with the present technology;

[0038] FIG. 8C is an example handle portions, in accordance with the present technology;

[0039] FIG. 8D is an example handle portions, in accordance with the present technology; and

[0040] FIG. 9 shows a perspective view of a formulation pouch, in accordance with the present technology;

[0041] FIG. 10 shows an interior side view of the formulation pouch of FIG. 9, in accordance with the present technology;

[0042] FIG. 11 shows an interior side view of the formulation pouch of FIG. 9 in an upright and an inverted orientation, in accordance with the present technology;

[0043] FIG. 12 shows a straw-in-straw degassing unit, in accordance with the present technology;

[0044] FIG. 13 shows a bottom perspective view of a straw-in-straw degassing unit, in accordance with the present technology;

[0045] FIG. 14 shows a valve assembly for a straw-in-straw degassing unit, in accordance with the present technology; and

[0046] FIG. 15 is a method of degassing a formula cartridge, in accordance with the present technology.

[0047] The foregoing aspects and many of the attendant advantages of this invention will become more readily appreciated as the same become better understood by reference to the following detailed description, when taken in conjunction with the accompanying drawings.DETAILED DESCRIPTION

[0048] Disclosed herein are a straw-in-straw degassing unit and containers thereof, and devices, systems, and methods configured to de-gas formulation cartridges.

[0049] Liquid containers come in a variety of forms, including bottles, cans, drums, pouches, and the like. Like other fluid containers, fluid pouches are a convenient means for transporting fluids through commercial supply chains, and for storing fluids for use in appliances, such as formulation pouches used in the cosmetic industry, ink packets used in the printing industry, liquid food additives used in the food processing and production industry, and the like. A manufacturer can fill a fluid pouch with a desired fluid, and then such a pouch can be subsequently distributed to an end user. Once the end user receives the fluid pouch, they can install in an appliance to access the fluids inside, and when the end user has used the contents of the fluid pouch, the fluid pouch can be disposed of, or returned to the manufacturer or a re-manufacturer for refilling. An advantage of this arrangement is that the end user can reuse an appliance portion many times, treating the fluids inside as a consumable element of a broader system.

[0050] Because the fluid containers, like fluid pouches, are sealed off against the external environment during transportation, fluid containers can prevent messy spills or loss of a deliverable fluid. Additionally, such a sealing-off from the environment can prevent degradation of the fluid, such as may occur due to oxidation with atmospheric oxygen, or the evaporation or loss of volatile fluids over time.

[0051] While many fluids can thus be preserved for use by the end user in such a sealed configuration, many fluids undergo off-gassing or decomposition reactions over time, even in the absence of contact with an external environment. In such cases, these undesired side reactions can result in the buildup of gasses inside the fluid container, thus requiring the user to first purge excess gas from the fluid container before the liquid fluid can be accessed. This can result in frustration for the user who must engage in a lengthy priming process before the fluid container can be effectively used and can complicate the use of fluid containers when coupled with particular appliances, such as peristaltic pumps, which do not function properly when exposed to mixtures of gas and liquid.

[0052] In particular, hair developer, when mixed with hair dye, left in a formulation cartridge, or otherwise, may off-gas. When a user attempts to apply the hair dye and / or developer with a device, the ratio of hair dye and developer may be changed or incorrect as the formulation cartridge including the developer off-gasses and the formulation cartridge including the hair dye dispenses hair dye. Accordingly, disclosed herein are example releases and internal protrusions configured to de-gas hair developer formulation cartridges to avoid this issue. While the following disclosure mentions hairdeveloper, it should be understood that any formulation that off-gasses could be used with the devices, systems, and methods described herein, including, but not limited to hair dye, cosmetic formulations, nail polish, and the like.

[0053] Accordingly, there is a need for improved devices that enable quick, easy, and clean purging of fluid containers containing liquids that undergo off-gassing. The present disclosure addresses these and other long-felt and unmet needs in the art.

[0054] The detailed description set forth below in connection with the appended drawings, where like numerals reference like elements, is intended as a description of various embodiments of the disclosed subject matter and is not intended to represent the only embodiments. Embodiments described in this disclosure are provided merely as examples or illustrations and should not necessarily be construed as preferred or advantageous over other embodiments. The illustrative examples provided herein are not intended to be exhaustive or to limit the claimed subject matter to the precise forms disclosed.

[0055] In an aspect, the present disclosure provides a formulation pouch with a straw-in-straw degassing unit, such as one contained in a formulation delivery system 100 with a formulation cartridge 200 (depicted in FIGs. 1-6D). Formulation delivery system 100 is an example of a formulation delivery system described in detail in U.S. Patent Application Publication No. 18 / 060,258 Al, published May 30, 2024, which is incorporated by reference herein in its entirety for all purposes. However, it is to be understood that the straw-in-straw degassing unit of the present disclosure can be used for any fluid container system, such as in a system useful in the industries identified above.

[0056] Referring initially to FIG. 1, an embodiment of a formulation delivery system 100 is depicted. FIG. 1 illustrates one representative formulation delivery system 100. Formulation delivery system 100 may house the straw-in-straw degassing unit, such as a straw-in-straw degassing unit disposed within a fluid pouch, in accordance with the present disclosure. Formulation delivery system 100 may also house devices configured to de-gas formulation cartridges, in accordance with the present disclosure. However, it is to be understood that formulation delivery system 100 is only one example of an appliance for which a straw-in-straw degassing unit can be used and is therefore a non-limiting example of the use of the straw-in-straw degassing unit.

[0057] The formulation delivery system 100 includes a formulation product line 102, a formulation delivery device 104, and an optional formulation F, which together enable a customized user experience.

[0058] Formulation product line 102 includes different formulation cartridges 108, where different formulation cartridges 108 can be stored in a same (common) cartridge type that is configured for use with the formulation delivery device 104.

[0059] In embodiments, the formulation product line 102 includes a hair coloring formulation and a scalp treatment formulation. In embodiments, the formulation product line 102 comprises at least two, three, four, five, six, seven, or eight of the following different formulations, which can be stored within the same formulation cartridge 108 type: a permanent hair dye and a developer; a semi-permanent hair dye and a developer; a shampoo; a conditioner; a hair growth treatment such as minoxidil; a hair protein treatment; a disulfide bond repairing hair treatment; or a fluid scalp treatment. In embodiments, the formulation product line 102 includes any of the above combinations, in addition to an optional cleaning cartridge of the same formulation cartridge 108 type.

[0060] Formulation cartridge 108 type has an elongate shape and dimensions configured for insertion into a handle of the formulation delivery device 104, in particular into a cartridge cavity of the handle. In embodiments of the formulation delivery system 100, the elongate outer housing has a different construction between formulation cartridge 108 containing formulation and the cleaning cartridge, but with common a common shape and dimensions. For example, in embodiments, formulation cartridge 108 containing formulation have the construction of the partially recyclable embodiment shown in FIGs. 3A-6D, while the cleaning cartridge has similar shape and dimensions, but different materials and components.

[0061] Another feature of the formulation cartridge 108 type is a plurality of liquid output nozzles, which are sized and positioned at a distal (forward) end of the formulation cartridge 108 in a configuration that fluidically connects with a corresponding plurality of liquid inlets (e.g., first formulation inlets). In embodiments, the liquid output nozzles are valves of formulation vessels (e.g., pouches or packets) disposed in the formulation cartridge 108.

[0062] A representative formulation cartridge 108 type, which is configured for insertion into formulation delivery device 104 and for storing a first formulation and a second formulation, is described below in FIGs. 3 A-6D.

[0063] The cleaning cartridge, which is of the common formulation cartridge 108 type (i.e., has common exterior dimension and a plurality of liquid output nozzles), enables a user to clean the formulation delivery device 104 by executing a cleaning routine that flushes a cleaning liquid (e.g., water) from the cleaning cartridge through the fluid conduits of the formulation delivery device 104, thereby removing residual formulation in the formulation delivery device 104. Advantageously, the cleaning cartridge and cleaning routine enable a significant portion of the formulation delivery device 104 to be reused for different formulations, thereby reducing waste and cost.

[0064] The cleaning cartridge includes a refillable cleaning liquid reservoir disposed inside the outer housing, which is fluidically connected to the plurality of output nozzles. Thus, a user can fill the cleaning liquid reservoir with a cleaning liquid such as water, execute a number of cleaning routines on the formulation delivery device 104, and refill the cleaning liquid reservoir.

[0065] FIG. 2 is an example device, in accordance with the present technology. Illustrated is a representative formulation delivery device 104, and components thereof, in accordance with an embodiment of the present disclosure. The formulation delivery device 104 is configured to receive a formulation cartridge 108 type (such as any of formulation product line 102 described in FIG. 1, including a cleaning cartridge of the same type). Several embodiments of a formulation cartridge of the formulation cartridge 108 type is described below in detail with respect to FIGs. 3A-6D; the formulation cartridge 108 shown in FIG. 2 shall be understood to have the same features as described there. Some embodiments of formulation delivery device 104 include the formulation cartridge 108 and / or an optional pull through adapter 112.

[0066] Formulation delivery device 104 includes a reusable handle 106 formed from an acrylonitrile butadiene styrene (ABS) plastic or similar rigid polymer or other material, and in some embodiments is an assembly formed from a plurality of shells configured to be joined together with fastening elements such as snaps, screws, or the like. Reusable handle 106 has a hollow, elongate gripping portion with a cartridge cavity therein which is sized and dimensioned to receive the formulation cartridge 108 type. In some embodiments, the cavity includes keying features that facilitate correct insertion of the formulation cartridge 108 type. For example, some embodiments include a cartridge interface 110 disposed in the opening and having a flat docking surface that interfaces witha corresponding docking surface of the formulation cartridge 108 when the latter is correctly inserted into the opening.

[0067] A controller (not shown in FIG. 2) includes logic configured for operation on a non-transitory machine-readable storage medium, and includes modules that personalize the user experience, provide helpful analytics, and enable e-commerce. In some embodiments, a corresponding application runs on a mobile device such as a smartphone, a tablet, or the like, and interacts with a user (e.g., an end user or a salon technician) to provide actionable information through a plurality of modules. In some embodiments, the application communicates with the formulation delivery device 104 and a network, such as a mobile network, a cloud-based enterprise network, a local area network, or the like.

[0068] Together, the formulation cartridge 108, formulation delivery device 104, and application provide an improved, customized, user experience. In some embodiments, the formulation delivery device 104 is a connected electromechanical appliance that interacts with the user, with formulation cartridges 108, and optionally with the application in order to provide a customized and personalized user experience.

[0069] Generally, formulation delivery device 104 includes a reusable handle 106 configured to receive the formulation cartridge 108 type, as well as a formulation dispensing assembly and a controller, both disposed in the reusable handle. The formulation dispensing assembly comprises at least one fluid conduit fluidically connected to a motorized pump and to a reciprocating nozzle assembly and is configured to draw formulation or cleaning liquid from the formulation cartridge 108 and to dispense the same through the reciprocating nozzle assembly onto a hair portion, scalp portion, or body portion of a user.

[0070] The controller is configured to toggle between at least a cleaning routine and formulation routine responsive to one or more inputs indicative of the cleaning cartridge or the formulation cartridge 108 inserted into the reusable handle 106.

[0071] In some embodiments, the formulation delivery device 104 further includes a cartridge interface 110 configured to accept the formulation cartridge 108, a reciprocating nozzle assembly 114 configured to move a plurality of nozzles or standoff protrusions 116, a button 126 to operate the formulation delivery device 104, visual indicators 128 (such as light-emitting diodes (LEDs)) indicating a status of the formulation delivery device 104, a cartridge cavity 124 configured to accept the formulation cartridge 108, and an encryption chip 132.

[0072] FIGs. 3A-3B are example formula cartridges, in accordance with the present technology. Illustrated is a representative formulation cartridge 200 of a formulation cartridge type which is compatible with any of the formulation delivery systems, formulation delivery devices, and formulation product lines described herein (such as the formulation cartridge 108 included in formulation delivery system 100).

[0073] Formulation cartridge 200 is a sustainable embodiment specifically designed to reduce waste and environmental impact, while delivering a user-friendly experience. To that end, formulation cartridge 200 includes two main components: a handle portion 205 (including a first half 205A and a second half 205B) and a disposable formulation cartridge refill unit 201 (hereinafter referred to simply as refill unit 201) configured to reversibly slide into the handle portion 205. Historically, known cartridges were designed to be entirely disposed of after depletion of the formulation stored therein, leading to significant waste and higher consumer cost.

[0074] In contrast to known cartridges, the formulation cartridge 200 is constructed such that the handle portion 205 can be reused indefinitely and the refill units 201 can be readily replaced after depletion of the formulation stored therein. Further still, each refill unit 201 is configured to be deconstructed into smaller components, some of which can be recycled in some embodiments, and others disposed of. Thus, the formulation cartridge 200 utilizes an innovative structure to reduce waste and improve the user experience.

[0075] Handle portion 205 is sized, dimensioned, and constructed to be repeatedly inserted into the cartridge cavity of the formulation delivery device. Accordingly, handle portion 205 is formed of ABS plastic or similar rigid polymer or other material and includes a hollow handle portion 205 configured to receive the refill unit 201 therein, and a tray portion 219 that extends away from handle portion 205. Handle portion 205 is a two-piece assembly in the representative embodiment shown (although it may be one-piece in other embodiments) and is sized and dimensioned such that it forms a seamless extension of the formulation delivery device handle when fully inserted into a cartridge cavity (such as cartridge cavity 124) thereof. Tray portion 219 projects away from handle portion 205 and has a U-shape configured to support the refill unit 201 (e.g., the front body portion 209). To facilitate secure engagement and easy removal, handle portion 205 includes coupling means for coupling the formulation cartridge 200 to a reusable handle of a formulation delivery device. Representative coupling means include a cartridge release221 (e.g., a latch) formed in the handle portion 205, which engages the formulation delivery device upon proper and complete insertion. Thus, the common formulation cartridge 200 type enables a consumer to utilize many different formulations in a single formulation delivery device 104.

[0076] In a representative embodiment, the formulation product line 102 includes hair coloring formulation and a scalp treatment formulation. In other representative embodiments, the formulation product line 102 comprises at least two, three, four, five, six, seven, or eight of the following different formulations, each of which is stored within the same formulation cartridge 108 type: a permanent hair dye and a developer; a semipermanent hair dye and a developer; a shampoo; a conditioner; a hair growth treatment such as minoxidil; a hair protein treatment; a disulfide bond repairing hair treatment; or a fluid scalp treatment.

[0077] FIG. 4 is an exploded view of an example formulation cartridge, in accordance with the present technology. In some embodiments, the cartridge refill unit 201 generally includes a refill packet comprising a shell 207 enclosing at least one formulation vessel (e.g., a packet, pouch, or other vessel), for example a first formulation pouch 243 A and a second formulation pouch 243B, and a valve frame 213 coupled with the refill packet, e.g., a front body portion 209 of the shell 207. The first formulation pouch 243 A and second formulation pouch 243B respectively contain a first formulation and a second formulation. The refill unit 201 may optionally include packet sleeve 241.

[0078] Each of first formulation pouch 243 A and second formulation pouch 243B has a volume of about 40mL to about 70mL, about 50mL to about 60mL, about 40mL to about 65mL, about 40mL to about 60mL, about 40mL to about 55mL, about 40mL to about 50mL, about 45mL to about 70mL, about 50mL to about 70mL, about 55mL to about 70mL, about 60mL to about 70mL, or about 55mL. In some embodiments, first formulation pouch 243A and second formulation pouch 243B have different volumes. In some embodiments, refill unit 201 stores only a single formulation vessel.

[0079] The first formulation and second formulation can each be any of the formulations described herein, for example a permanent hair dye; semi -permanent hair dye; developer; conditioner; hair growth treatment, such as minoxidil; hair protein treatment; disulfide bond repairing hair treatment; fluid hair treatment; fluid scalp treatment, or the like. In some embodiments, the first formulation and second formulation differ. For example, in some embodiments, the first formulation is a hair dye and the secondformulation is a developer. In other embodiments, the first formulation and second formulation are the same (e.g., a conditioner or scalp treatment formulation).

[0080] As shown in FIG. 4, formulation pouches 243A, 243B include a formulation-containing packet 247 and valve means comprising output nozzle 208A and output nozzle 208B for selectively-fluidic coupling the refill unit to a dispensing nozzle unit of a formulation delivery device when the formulation cartridge 200 is received within the hand-held formulation dispensing device. Representative valve means include a valve engagement unit 215 and valve engagement unit 217 through which the formulation exits the formulation-containing packet 247. Representative formulation vessels are described in International Patent Application Publication No. 2019 / 067336A2, published Apr. 4, 2019, and U.S. Patent Application Publication No. 2021 / 0196021 Al, published Jul. 1, 2021, both of which are hereby incorporated by reference in their entireties for all purposes.

[0081] The shell 207 has an elongate shape sized to be received within the reusable handle portion 205. Shell 207 encloses and protects the first formulation pouch 243 A and second formulation pouch 243B and engages the valve frame 213 (described below). Thus, shell 207 functions as packaging which protects the formulation pouches 243 A, 243B during commerce prior to loading into the formulation delivery device.

[0082] In some embodiments, shell 207 has a total length between 150mm and 250mm (e.G., 175mm-225mm, 185mm-215mm, 195mm-205mm, or 200mm) and a maximum cross-sectional dimension of 25mm-50mm (e.g., 30mm-45mm, 35mm-40mm, or 36mm). Shell 207 has a rear body portion 225 and a slender front body portion 209, e.g., a neck portion, extending away from the rear body portion 225. The rear body portion 225 and the slender front body portion 209 generally align in a common longitudinal direction to enable assembly with the reusable handle portion 205, and to enable insertion into the cartridge cavity of the formulation delivery device.

[0083] In some embodiments, shell 207 is constructed at least partially from recyclable or recycled material, e.g., a paper material such as an injection-molded paper material or a die-cut structured paper (e.g., cardboard). In the illustrated embodiment, the shell 207 is formed from a single piece of injection-molded paper material. In some embodiments in which the shell 207 is formed of paper, the paper has a weight between 8- 12 points (e.g., 8.5 points, 9.0 points, 9.5 points, 10.0 points, 10.5 points, 11.0 points, or 11.5 points), to impart sufficient stiffness without contributing excess disposable material.

[0084] The rear body portion 225 of the shell 207 has a larger cross-sectional dimension than the front body portion 209 when viewed in a plane normal to the longitudinal direction of the formulation cartridge 200. A hump or bulge 227 imparts the larger cross-sectional area of the rear body portion 225 relative to the slender front body portion 209. Advantageously, the hump or bulge 227 enables the use of higher-volume formulation pouches 243 A, 243B. Additionally, the hump or bulge 227 forms an abutment 231 which abuts a corresponding interior face of the handle portion 205 and secures the longitudinal position of the shell 207 during use.

[0085] The slender front body portion 209 of the shell 207 is sized to fit within the tray portion 219 of the handle portion 205 and to project into the cartridge cavity of the formulation delivery device during use. In some embodiments, the front body portion 209 couples with the valve frame 213. To facilitate secure connection and alignment with the valve frame 213, front body portion 209 includes valve frame coupling means, for example at least one coupling tab 237 configured to selectively engage the valve frame 213. In the illustrated embodiment, the front body portion 209 includes a single coupling tab 237 extending away from a front end thereof. The coupling tab 237 includes an engagement feature, for example a detent or raised prominence 239 shaped and sized to engage a complementary aperture 251 of the valve frame 213.

[0086] The front body portion 209 may have many different configurations. For example, the illustrated front body portion 209 is a clamshell configuration formed with at least two partial shells (in this embodiment, two halves 229A, 229B) coupled by a hinge, for example a living hinge integrally formed with the two halves. In some embodiments, the shell 207 includes a different number of partial shells, e.g., three or four partial shells which come together to enclose the formulation pouches 243 A, 243B. Alignment of the halves 229A, 229B enables correct attachment of the front body portion 209 to the valve frame 213.

[0087] While the illustrated shell 207 is formed of an injection molded paper material, this construction is representative, not limiting. In some embodiments, the shell 207 is formed of a single piece of die-cut paper stock, which is folded to impart a three- dimensional structure having the rear body portion 225 and front body portion 209 extending away therefrom. In some such embodiments, this folded construction creates a polygonal cross section in the rear body portion 225 and a polygonal cross section in the front body portion 209 (for example, octagonal and hexagonal cross sections, respectively).To facilitate assembly, some such embodiments of the shell 207 include one or more scores or guidelines that ensure correct folding. Some embodiments have a triangular, rectangular, pentagonal, hexagonal, heptagonal, octagonal, or other polygonal cross-sectional shape.

[0088] Optional packet sleeve 241 slides over the front body portion 209 and provides several important advantages. First, it imparts additional structure to the refill unit 201 by sliding over and reinforcing front body portion 209. Accordingly, in some embodiments, packet sleeve 241 has a greater weight or thickness as compared to the material that forms shell 207; although this is not required. In some embodiments, packet sleeve 241 is also formed of recyclable material, which may be the same material as the shell 207.

[0089] Second, in some embodiments, packet sleeve 241 couples with the valve frame 213. For example, the illustrated packet sleeve 241 includes a plurality of engagement member recesses 235 configured to reversibly couple with engagement members of the valve frame 213.

[0090] Third, packet sleeve 241 facilitates disassembly of the refill unit 201. In some embodiments, packet sleeve 241 includes an optional integral tearaway 235 A formed thereon (e.g., a perforation with a pull tab). In other embodiments, the tearaway is formed on the front body portion 209 (see tearaway 235B). In use, after the first formulation pouch 243A and / or second formulation pouch 243B are depleted, a user pulls the pull tab of integral tearaway 235 A and / or 235B, thereby separating valve frame 213 from packet sleeve 241. Upon completion of this action, the packet sleeve 241 is recycled and the valve frame 213 is discarded. In some embodiments, the integral tearaway 235 A and / or 235B is disposed on the shell 207, e.g., the front body portion 209.

[0091] Valve frame 213 provides a rigid structure which aligns the formulation pouch valve engagement units 215 for correct fluid interconnection with the fluid conduits of the formulation delivery device. Additionally, in some embodiments, valve frame 213 supports an optional encryption chip 211 as described above. In such embodiments, valve frame 213 is sized and shaped to accurately position the encryption chip 211 adjacent to the cartridge authentication interface of the formulation delivery device when the formulation cartridge 200 is disposed in the handle of the formulation delivery device. Accordingly, valve frame 213 is formed from ABS plastic, high density polyethylene (HDPE), or other rigid polymer or other material. In some embodiments, valve frame 213 is formed from a same material as shell 207.

[0092] A plurality of valve engagement units 215 and / or 217 extend through a front end of the valve frame 213. Each valve engagement unit 215 and / or 217 receives and secures one of the output nozzles 208 A and / or 208B. In some embodiments, the valve engagement unit 215 and / or 217 is a valve aperture or cutout disposed through a face of the valve frame 213, the valve aperture or cutout being sized to receive a valve of a formulation pouch and optionally to engage an outer circumference of the valve. To enable coupling with the packet sleeve 241 (or shell 207 in some embodiments), valve frame 213 includes optional engagement members 249 (e.g., tabs) extending therefrom. In some embodiments, valve frame 213 engages with the front body portion 209 by a friction fit.

[0093] Encryption chip 211 (e.g., an RFID tag) is disposed on the refill unit 201, e.g., on the shell 207 or on the valve frame 213 (as in the illustrated embodiment). The encryption chip 211 is positioned on the refill unit 201 such that when the formulation cartridge 200 is inserted into the formulation delivery device, it is positioned to be read by the cartridge authentication interface thereof. Accordingly, the encryption chip 211 stores information about the formulation cartridge 200 and its contents, for example at least one of a formulation identification, a beginning formulation quantity, a formulation expiration date, or a formulation production date.

[0094] Thus, the shell 207, formulation pouches 243A, 243B, valve frame 213, and optional packet sleeve 241 form the refill unit 201. In use, refill unit 201 is reversibly couplable with handle portion 205, e.g., by securing means such as coupling tabs on the shell 207 or by friction fit between the refill unit 201 and the handle portion 205.

[0095] FIGs. 5-6D show additional representative formulation cartridges 200’ and 200” of a formulation cartridge type which is compatible with any of the formulation delivery systems, formulation delivery devices, and formulation product lines described herein (such as formulation cartridge 200 and / or formulation cartridge 108 as part of formulation delivery system 100). However, the formulation delivery systems, formulation delivery devices, and formulation product lines described herein are not required to use the sustainable formulation cartridges 200’ and / or 200” shown in FIGs. 5-6D.

[0096] Formulation cartridge 200’ is a sustainable embodiment specifically designed to reduce waste and environmental impact, while delivering a user-friendly experience. To that end, formulation cartridge 200’ includes two main components: a handle portion 205’ (including a first half 205 A’ and a second half 205B’) and a disposable formulation cartridge refill unit 201’ (hereinafter referred to simply as refill unit 201’)configured to reversibly slide into the handle portion 205’. Historically, known cartridges were designed to be entirely disposed of after depletion of the formulation stored therein, leading to significant waste and higher consumer cost.

[0097] In contrast to known cartridges, the formulation cartridge 200’ is constructed such that the handle portion 205’ can be reused indefinitely and the refill units refill unit 201’ can be readily replaced after depletion of the formulation stored therein. Further still, refill unit 201 ’ can be configured to be deconstructed into smaller components, some of which can be recycled in embodiments, and others disposed of. Thus, the formulation cartridge 200’ utilizes an innovative structure to reduce waste and improve the user experience.

[0098] Handle portion 205’ is sized, dimensioned, and constructed to be repeatedly inserted into the cartridge cavity of the formulation delivery device. Accordingly, handle portion 205’ is formed of ABS plastic or similar rigid polymer or other material and includes a hollow handle portion 205 ’ configured to receive the refill unit 201 ’ therein.

[0099] Refill unit 201 ’ generally includes a refill packet comprising a shell (such as shell 207) enclosing at least one formulation vessel (e.g., a packet, pouch, or other vessel), for example the first formulation pouch and a second formulation pouch (such as first formulation pouch 243A and second formulation pouch 243B, discussed further herein), and a valve frame (such as valve frame 213) coupled with the refill packet, e.g., a front body portion 209’. In embodiments, the at least one formulation vessel is a liquid reservoir 210’. The first formulation pouch and second formulation pouch respectively contain a first formulation and a second formulation. The refill unit 201’ may optionally include a packet sleeve (such as packet sleeve 241). In embodiments, the at least one formulation vessel is an example of formulation pouch 400 comprising a formulation packet 402 and an output nozzle 404, as is depicted in FIG. 9.

[0100] The first formulation pouch and second formulation pouch can have a volume of about 40 mL to about 70 mL, about 50 mL to about 60 mL, about 40 mL to about 65 mL, about 40 mL to about 60 mL, about 40 mL to about 55 mL, about 40 mL to about 50 mL, about 45 mL to about 70 mL, about 50 mL to about 70 mL, about 55 mL to about 70 mL, about 60 mL to about 70 mL, or about 55 mL. In embodiments, first formulation pouch and second formulation pouch have different volumes. In embodiments, refill unit 201’ stores only a single formulation vessel.

[0101] The first formulation and second formulation can be independently selected from any of the formulations described herein, for example a permanent hair dye; semi -permanent hair dye; developer; conditioner; hair growth treatment, such as minoxidil; hair protein treatment; disulfide bond repairing hair treatment; fluid hair treatment; fluid scalp treatment, or the like. In embodiments, the first formulation and second formulation differ. For example, in embodiments, the first formulation is a hair dye and the second formulation is a developer. In other embodiments, the first formulation and second formulation are the same (e.g., a conditioner or scalp treatment formulation).

[0102] FIGs. 6A-6D show example releases of a formula formulation cartridge 200”, in accordance with the present technology. In embodiments, due to the nature of developer hair formula (which may be the first formulation, the second formulation, or both as described herein), the formulation cartridge 200” may need to be degassed. Hair developers may contain oxidizing agents that can release fumes when mixed with hair color formulas. When small amounts of the hair developer and the hair dye are mixed and let to sit, such as after a user applies the hair dye and hair developer, gas may be released. Further, if hair developer is left sitting inside of the formulation cartridge 200”, gas may build up inside the formulation cartridge 200”.

[0103] Accordingly, in some embodiments, the formulation cartridge 200” may include a hump lump or bulge 227”, made up of halves halve 229A”, halve 229B”, and two valves 215 A”, 215B”. Disposed on the lump or bulge 227” is a release 223”.

[0104] In operation, as shown in FIG. 6B, when the release 223” is pressed, depressed, lifted, opened, contacted, or otherwise manipulated, gas G created by the hair developer, may be degassed. In this manner, a user or a device (such as formulation delivery device 104) may release the gas G from the formula cartridge release 223” either on demand or periodically, to avoid expelling gas G from the device when trying to apply the hair developer. Not degassing the formulation cartridge 200” could result in gas G being dispensed from the hair developer formulation cartridge 200”, while hair dye may be dispensed from another formula cartridge (such as shown in FIG. 4). This may result in the ratio of hair developer and hair dye changing, which could decrease the efficacy of the hair dye, create unwanted streaks in a user’s hair, or the like. Accordingly, the release 223” ensures that gas G is not dispensed by the formulation cartridge 200” when the user is attempting to apply hair developer (or any formulation that may off-gas) and ensure the ratio between the hair developer and hair dye is correct.

[0105] In some embodiments, the release 223” may be located on the lower half 229B” of the formulation cartridge 200”, as shown in FIG. 6C. In yet other embodiments, the release 223” may be located on a rear portion (or bottom, such as rear body portion 225) of the formulation cartridge 200”, as shown in FIG. 6D. While FIGs. 6A-6D show representative locations of the release 223”, it should be understood that the release 223” may be located anywhere on the formulation cartridge 200”. Further, in some embodiments, multiple releases release 223 ’ ’ may be located on the formulation cartridge 200”.

[0106] The release 223” is illustrated as having a half-oval shape, but it should be understood that the release 223 ’ ’ may have any shape. In some embodiments, the release 223” is configured to open outwards, as shown in FIG. 6B. In other embodiments, the release 223” is configured to open inwards, as shown in FIG. 7C. In some embodiments, the release 223” may be configured to swing both inwards and outwards.

[0107] FIGs. 7A-7C depicts process diagrams of degassing a formula cartridge (such as formulation cartridge 200), in accordance with the present technology. In some embodiments, the handle portion 205 of the formulation cartridge 200 includes a protrusion 300, internal to the handle portion 205, as shown in FIGs. 7A-7C. In some embodiments, the handle portion 205 is configured to retain and / or surround the rear body portion 225.

[0108] In some embodiments, the protrusion 300 is configured to apply pressure onto the release 223 when the rear body portion 225 is inserted into the handle portion 205. In some embodiments, the pressure degasses the rear body portion 225 of the formulation pouch, such as by expelling gas G as shown in FIG. 7C. In some embodiments, when the rear body portion 225 is retained in the handle portion 205, the protrusion 300 is in contact with the release 223, that is, the release 223 is always suppressed, and capable of expelling gas G from the formulation cartridge 200. In other embodiments, the protrusion 300 may be in contact with the release 223 only while the formulation cartridge 200 is being inserted into the handle portion 205. That is, the release 223 may be pressed for only a moment as the formula cartridge is inserted into the handle portion 205, and when the formulation cartridge 200 is fully retained within the handle portion 205, the release 223 may be closed.

[0109] In some embodiments, the protrusion 300 may be triangular. In some embodiments, the protrusion 300 is located on a side of the handle portion 205 (as shown in FIGs. 7A-7C). In some embodiments, the protrusion 300 may be located on a bottom B of the handle portion 205, as shown in FIG. 8C.

[0110] In some embodiments, when the release 223 is contacted or pressed by the protrusion 300, and opening O is formed in the rear body portion 225 of the formulation cartridge 200.[OHl] In some embodiments, the formulation cartridge 200 includes one or more valves (such as valve engagement unit 215, 217 and / or valve 215 A”, 215B”) configured to purge the gas G emitted from the release 223.

[0112] FIGs. 8A-8D are example handle portions (such as handle portion 205), in accordance with the present technology. The protrusion 300 (as shown in FIGs. 7A-7C) may take any number of forms. Representative protrusions are illustrated in FIGs. 8A-8D.

[0113] In some embodiments, the protrusion is a bump 301, as shown in FIG. 8A. In some embodiments, the bump 301 may be located on a first side (or “first internal side”)51 of the handle portion 205. One skilled in the art will recognize that in other embodiments, the bump 301 may be located on a second side (or “second internal side”)52 of the handle portion 205.

[0114] In some embodiments, the protrusion is a spring 310, as shown in FIG. 8B. While the spring 310 is located on a first internal side SI of the handle portion 205, it should be understood that the spring 310 may be located on the second internal side S2. In some embodiments, the spring 310 includes a coil 302 and a platform 303. In some embodiments, the spring 310 includes only a coil 302. In some embodiments, the spring 310 is selected from a compression spring, a leaf spring, or a molded spring.

[0115] In some embodiments, such as shown in FIG. 4, the formulation cartridge includes a valve (such as valve engagement unit 215, 217, output nozzle 208A’, 208B’, valve 215 A”, 215B”, or a combination thereof) configured to purge gas emitted from a release (such as release 223). In some embodiments, the valve iss force balanced to the spring 310.

[0116] In some embodiments, the protrusion 304 is located on a bottom B of the handle portion 205, as shown in FIG. 8C. In some embodiments, the protrusion 304 is triangular, but in other embodiments, the protrusion 304 may be a bump, such as shown in FIG. 8 A. In some embodiments, protrusion 304 may be included when the release (such as release 223) is located on a rear portion of the body of the formula cartridge, as shown in FIG. 6D. In some embodiments, the protrusion 304 may be used in combination with any of the protrusions 300, bump 301, spring 310, first protrusion 305A, second protrusion 305B as shown and described herein.

[0117] In some embodiments, the protrusion is a first protrusion 305A, and the handle portion 205 further includes a second protrusion 305B. In some embodiments, the first protrusion 305 A is located on a first internal side SI of the handle portion 205, and the second protrusion 305B located on a second internal side S2 of the handle portion 205, opposite the first internal side SI.

[0118] Turning to FIG. 10 and FIG. 11, an interior portion of formulation pouch 400 (as depicted in FIG. 9) includes a formulation packet 402, a formulation chamber 406, an outer tube 412, an inner tube 422, and a buoyant element 430.

[0119] The formulation packet 402 comprises a plurality of packet walls that define the formulation chamber 406. The formulation chamber 406 is thereby configured for receiving and storing a fluid formulation, such as any of the formulations described herein above. In embodiments, the formulation in the formulation chamber 406 is a non- gaseous formulation 432, a gaseous fluid 434, or a combination thereof. In embodiments, the non-gaseous formulation 432 undergoes off-gassing while sealed within the formulation chamber 406, thereby generating a gaseous fluid 434. Without being bound by theory, when the formulation comprises a developer, such as any of the developer formulations discussed further herein above with respect to FIG. 1, the developer can contain chemical compositions which oxidize during transportation and storage. Such compositions will off-gas until the vapor pressure of gaseous fluid 434 is equivalent to the equilibrium vapor pressure of the non-gaseous formulation 432. Accordingly, the formulation pouch 400 can be a flexible formulation pouch 400 constructed from a flexible material, thereby allowing the formulation pouch 400 to adjust shape to conform to any appliance to which it may be coupled despite changes in the gaseous and non-gaseous volumes contained therein.

[0120] In embodiments, the output nozzle 404 is formed in a first side of the formulation packet 408, as depicted in FIG. 10. While the output nozzle 404 can be disposed along an edge of the formulation packet 402, it is to be understood that the output nozzle 404 can be disposed at any position of formulation packet 402, such as along a top side, as depicted in FIG. 12 and FIG. 14. Output nozzle 404 thus includes an outer nozzle side and an inner nozzle side, where the outer nozzle side is substantially external to the formulation packet 402, and where the inner nozzle side is substantially internal to the formulation packet 402 and is therefore in fluid contact with the formulation chamber 406.

[0121] Referring to FIG. 14, output nozzle 404 can also be one of a plurality of nozzles in fluid communication with the formulation chamber 406 of the formulation pouch 400. For example, the plurality of nozzles can also include a first refill valve 446 and a second refill valve 448. In embodiments, the first refill valve 446 comprises a one-way valve configured to allow an inflow of non-gaseous formulation into the formulation chamber 406. In embodiments, the second refill valve 448 comprises a one-way valve configured to allow an outflow of gaseous fluid from the formulation chamber 406. Accordingly, in embodiments, the formulation pouch 400 can be refilled and reused without opening the formulation pouch 400.

[0122] The outer tube 412 is disposed inside the formulation chamber 406 and comprises a first side of the outer tube 414 and a second side of the outer tube 416. In embodiments, outer tube 412 is a substantially cylindrical tube with a length, an inner diameter, and an outer diameter, wherein the tube is open on both the first side of the outer tube 414 and the second side of the outer tube 416. While the outer tube 412 depicted in FIG. 10 is substantially cylindrical, it is to be understood that the outer tube 412 can define any suitable shape, such as a triangular prism tube, a rectangular prism tube, a hexagonal prism tube, or the like. The first side of the outer tube 414 is coupled to inner nozzle side of the output nozzle 404. Thus, the opening of the 414 is configured to substantially surround a throughput portion of the inner nozzle side of the output nozzle 404, thereby placing an interior of the outer tube in fluid communication with an outlet nozzle side of the output nozzle 404.

[0123] Outer tube 412 further includes a first outer tube aperture 418 and a second outer tube aperture 420 defined though a wall of the outer tube 412, thereby creating a flow path for a fluid to flow from the exterior of the outer tube 412 to the interior of the outer tube 412. In embodiments, the first outer tube aperture 418 is positioned in a first outer tube location proximate the first side of the outer tube 414, while the second outer tube aperture 420 is positioned in a second outer tube location proximate the second side of the outer tube 416.

[0124] In embodiments, both the first outer tube aperture 418 and second outer tube aperture 420 consist of a single bore; however, it is to be understood that the first outer tube aperture 418 and the second outer tube aperture 420 can include any number of bores, including two or more bores, such as a plurality of micro-bores. Such a plurality of microbores can be substantially located along a single side of the outer tube 412, or inembodiments the plurality of micro-bores can be arranged substantially around a circumference of the outer tube 412. Additionally, the first outer tube aperture 418 and the second outer tube aperture 420 can both include the same number of bores, or can include different numbers of bores, such as where the first outer tube aperture 418 includes a plurality of micro-bores and where the second outer tube aperture 420 includes a single bore.

[0125] In embodiments, the outer tube 412 includes an additional number of apertures, such as a third outer tube aperture, a fourth outer tube aperture, a fifth outer tube aperture, a sixth outer tube aperture, a seventh outer tube aperture, an eighth outer tube aperture, a ninth outer tube aperture, a tenth outer tube aperture, or more.

[0126] In embodiments, inner tube 422 is configured to be nested within a portion of the interior of the outer tube 412. Accordingly, an outer diameter of inner tube 422 is smaller than the inner diameter of outer tube 412. Inner tube 422 includes a first side of the inner tube 424 and a second side of the inner tube 426. In embodiments, inner tube 422 is a substantially cylindrical tube with a length, an inner diameter, and an outer diameter, wherein the tube is open on both the first side of the inner tube 424 and the second side of the inner tube 426. Thus, the second side of the inner tube 426 is in fluid communication with the formulation chamber 406.

[0127] While the inner tube 422 depicted in FIG. 10 is substantially cylindrical, it is to be understood that the inner tube 422 can define any suitable shape, such as a triangular prism tube, a rectangular prism tube, a hexagonal prism tube, or the like. In embodiments, the shape of inner tube 422 is substantially the same as the shape of outer tube 412. In embodiments, inner tube 422 is a different shape from outer tube 412.

[0128] In embodiments, an exterior of the inner tube 422 is configured to slidably contact the interior of the outer tube 412. The internal friction of this slidable contact allows the inner tube 422 to move relative to the outer tube 412 coupled to the output nozzle 404 yet still prevents a flow of fluid to run between the outer wall of inner tube 422 and the inner wall of outer tube 412, thus allowing for better control of available fluid pathways in the formulation packet 402.

[0129] Inner tube 422 further includes a first inner tube aperture 428 defined though a wall of the inner tube 422, thereby creating a flow path for a fluid to flow from the exterior of the inner tube 422 to the interior of the inner tube 422. Because inner tube 422 is in slidable contact with outer tube 412, the first inner tube aperture 428 can thus beconfigured for an open position when the first inner tube aperture 428 aligns with either the first outer tube aperture 418 or the second outer tube aperture 420. First inner tube aperture 428 can also be configured for a closed position when the first inner tube aperture 428 is not in alignment with either the first outer tube aperture 418 or the second outer tube aperture 420. The open and closed configurations will be discussed further herein with respect to FIG. 11. In embodiments, the first inner tube aperture 428 is positioned in a first inner tube location configured to be in alignment with the second outer tube aperture 420 when the first side of the inner tube 424 is flush with the contact point between the first side of the outer tube 414 and the output nozzle 404.

[0130] In embodiments, the first inner tube aperture 428 consists of a single bore; however, it is to be understood that the first inner tube aperture 428 can include any number of bores, including two or more bores, such as a plurality of micro-bores. Such a plurality of micro-bores can be substantially located along a single side of the inner tube 422, or in some embodiments the plurality of micro-bores can be arranged substantially around a circumference of the inner tube 422.

[0131] Additionally, the first inner tube aperture 428 and the first and second outer tube apertures 418, 420 can include the same number of bores, or can include different numbers of bores, such as: where the first outer tube aperture 418 includes a single bore, the second outer tube aperture 420 includes a plurality of micro-bores, and where the first inner tube aperture 428 includes a single bore; where the first outer tube aperture 418 includes a plurality of micro-bores, the second outer tube aperture 420 includes a single bore, and where the first inner tube aperture 428 includes a single bore; where the first outer tube aperture 418 includes a plurality of micro-bores, the second outer tube aperture 420 includes a plurality of micro-bores, and where the first inner tube aperture 428 includes a single bore; where the first outer tube aperture 418 includes a single bore, the second outer tube aperture 420 includes a plurality of micro-bores, and where the first inner tube aperture 428 includes a plurality of micro-bores; where the first outer tube aperture 418 includes a plurality of micro-bores, the second outer tube aperture 420 includes a single bore, and where the first inner tube aperture 428 includes a plurality of micro-bores; where the first outer tube aperture 418 includes a single bore, the second outer tube aperture 420 includes a single bore, and where the first inner tube aperture 428 includes a plurality of microbores;

[0132] In embodiments, the inner tube 422 further comprises an additional number of apertures, such as a second inner tube aperture, a third inner tube aperture, a fourth inner tube aperture, a fifth inner tube aperture, or more.

[0133] In embodiments, the buoyant element 430 is coupled to the second side of the inner tube 426. The diameter of the buoyant element 430 is greater than an internal diameter of the outer tube 412, thereby preventing the buoyant element 430 from becoming lodged within the outer tube 412. As such, in embodiments, the buoyant element 430 is disposed exterior to the second side of the outer tube 416 and configured to contact a base of the second side of the outer tube 416. Buoyant element 430 can be coupled to the second side of the inner tube 426 by any suitable means, such as: adhering the buoyant element 430 to a base of the second side of the inner tube 426 with an adhesive compound, wrapping buoyant element 430 substantially around the circumference of the inner tube 422 at the second side of the inner tube 426 so as to leave the base of the second side of the inner tube 426 unblocked as aperture of the second side of the inner tube 442, forming buoyant element 430 and the inner tube 422 out of a single material, such as would be produced via injection molding, and the like. The buoyant element 430 can be made from any suitable material that is shelf stable in contact with a non-gaseous formulation 432 stored in the formulation pouch 400. For example, the polymeric material can be a porous polymeric material, the polymeric material can be doped with metal inclusions, such as a stainless- steel inclusion, or the like. The buoyant element 430 can be a substantially non-polymeric material, such as a stainless steel, an aluminum, or the like. In embodiments, buoyant element 430 comprises a sealed air pocket.

[0134] In embodiments, the buoyant element 430 comprises a buoyant element density. In embodiments, when the formulation chamber 406 is filled with a non-gaseous formulation 432, the buoyant element density is smaller than a magnitude of a density of the non-gaseous formulation 432. In embodiments, the buoyant element density is greater than the magnitude of the density of the non-gaseous formulation 432. In embodiments, buoyant element 430 comprises a polymeric material with a density configured to be either greater or smaller than the magnitude of the density of the non-gaseous formulation 432. In embodiments, the buoyant element density is greater than a magnitude of a density of the gaseous fluid 434.

[0135] Turning to FIG. 11, the formulation pouch 400 is shown in both an upright configuration (left) and an inverted configuration (right). It is to be understood thatformulation pouch 400 can be used in any configuration, and that these two configurations are depicted solely to illustrate embodiments of the function of the straw-in-straw degassing unit 444. In the illustrated embodiment, the density of buoyant element 430 is less than the density of non-gaseous formulation 432 and greater than the density of gaseous fluid 434.

[0136] In the illustrated upright configuration, the density of the buoyant element 430 is less than the density of the non-gaseous formulation 432. Accordingly, the buoyant element 430 rises relative to the non-gaseous formulation 432, pushing the inner tube 422 up to contact the base of the output nozzle 404. A first inlet channel 436 is formed when the first inner tube aperture 428 and the second outer tube aperture 420 align, thereby creating fluid communication between the formulation chamber 406 and the output nozzle 404, allowing formulation to flow. The first side of the inner tube 424 substantially blocks flow through the first outer tube aperture 418. The gaseous fluid 434, having a density less than the density of the non-gaseous formulation 432, also rises to the top of the formulation pouch 400 and is thereby excluded from any flow through the first inlet channel 436.

[0137] In the illustrated inverted configuration, the buoyant element 430 again rises relative to the non-gaseous formulation 432, drawing the 422 up and away from the output nozzle 404. The buoyant element 430 sits at the interface of the non-gaseous formulation 432 and the gaseous fluid 434. A second inlet channel 438 is formed when the first side of the inner tube 424 slides upwards relative to the first outer tube aperture 418, thereby opening fluid communication between the formulation chamber 406 and the output nozzle 404. At the same time, the first inner tube aperture 428 moves upwards relative to the outer tube 412 such that the first inner tube aperture 428 is not aligned with the second outer tube aperture 420. The gaseous fluid 434 rises to the top of the 400. Accordingly, flow is substantially blocked through the second outer tube aperture 420, ensuring that gaseous fluid 434 is excluded from the flow path to the 404.

[0138] While the above examples refer to “upright”, “inverted”, “up”, “down”, and other relative positional terms, it is to be understood that the movement of the buoyant element 430 and the inner tube 422 relative to the outer tube 412 can be affected in any orientation by gravity and is not limited to the configurations depicted in FIG. 11. In embodiments, the movement of the buoyant element 430 and the inner tube 422 relative to the outer tube 412 can be affected in any orientation by centrifugal forces.

[0139] Referring next to FIG. 12 and FIG. 13, a porous cage 440 can be arranged to substantially surround the straw-in-straw degassing unit 444. In embodiments, porous cage 440 is coupled to the output nozzle 404 and extends the entire length of the straw-instraw degassing unit 444 and contacts a second side of the formulation packet 410. In embodiments, porous cage 440 extends the entire length of the formulation chamber 406. Without being bound by theory, the porous cage 440 provides a rigid protection layer around the outer tube 412 and the buoyant element 430, thereby preventing either the outer tube 412 or the buoyant element 430 from contacting the wall of the formulation pouch 400. To that effect, the porous cage 440 allows the straw-in-straw degassing unit 444 to function regardless of the material and flexibility of the formulation pouch 400. The porosity of the porous cage 440 can be customized to allow more or less flow of non- gaseous formulation 432 to permeate from the portion of the formulation chamber 406 exterior of the porous cage 440 to the portion of the formulation chamber 406 that is interior to the porous cage 440.

[0140] FIG. 15 is a method 500 of degassing a formula cartridge, in accordance with the present technology. In some embodiments, the method 500 is carried out with a device (such as formulation delivery device 104) including a formulation cartridge (such as formulation cartridge 108). In some embodiments, the formulation cartridge includes a body portion (such as rear body portion 225) including a hump or bulge 227, and two halves (such as halves 229A, 229B). In some embodiments, the formulation cartridge further includes a handle portion (such as handle portion 205). Internal to the handle portion may be a protrusion (such as protrusion 300, bump 301, spring 310, protrusion 304, first protrusion 305 A, second protrusion 305B). In some embodiments, the formula cartridge further includes a release (such as release 223) configured to release gas (such as Gas G). The release may be located on a body portion of the formulation cartridge, including on a rear portion (such as rear body portion 225), either of the halves, or the hump or bulge of the formulation cartridge. In some embodiments, the formulation cartridge further includes one or more valves (such as valve 215, 217, output nozzle 208 A’, 208B’, valve 215 A”, 215B”, or a combination thereof) to further release the gas.

[0141] In block 505, one or more formula pouches (such as formulation pouches 243 A, 243B) are placed into the body portion of the formula cartridge.

[0142] In block 510, the body portion is inserted into the handle portion.

[0143] In block 515, the protrusion inside the handle portion contacts the release on the body portion or rear portion of the formulation cartridge. An example of this is shown in FIG. 6C. The protrusion may be triangular, a bump, or a spring. In some embodiments, the protrusion may be first protrusion and a second protrusion.

[0144] In block 520, pressure is applied to the release with the protrusion.

[0145] In block 525, the formula cartridge may be degassed. In some embodiments, the gas may be purged from the formula cartridge through an opening (such as opening O) formed in the body of the formula cartridge when pressure is applied to the release.

[0146] Optionally, in block 530, the gas is purged from the release with the valve of the formulation cartridge. In some embodiments, when the protrusion is a spring (such as spring 310), the valve is force balanced with the protrusion.

[0147] It should be understood that method 500 should be interpreted as merely representative. In some embodiments, process blocks of method 500 may be performed simultaneously, sequentially, in a different order, or even omitted, without departing from the scope of this disclosure.

[0148] The detailed description set forth above in connection with the appended drawings, where like numerals reference like elements, are intended as a description of various embodiments of the present disclosure and are not intended to represent the only embodiments. Each embodiment described in this disclosure is provided as a representative example or illustration and should not be construed as preferred or advantageous over other embodiments. The representative examples provided herein are not intended to be exhaustive or to limit the disclosure to the precise forms disclosed. Similarly, any steps described herein may be interchangeable with other steps, or combinations of steps, in order to achieve the same or substantially similar result. Generally, the embodiments disclosed herein are non-limiting, and the inventors contemplate that other embodiments within the scope of this disclosure may include structures and functionalities from more than one specific embodiment shown in the figures and described in the specification. That is, the present disclosure includes embodiments that combine features from different embodiments.

[0149] In the foregoing description, specific details are set forth to provide a thorough understanding of exemplary embodiments of the present disclosure. It will be apparent to one skilled in the art, however, that the embodiments disclosed herein may bepracticed without embodying all the specific details. In some instances, well-known process steps have not been described in detail in order not to unnecessarily obscure various aspects of the present disclosure. Further, it will be appreciated that embodiments of the present disclosure may employ any combination of features described herein.

[0150] The present application may reference quantities and numbers. Unless specifically stated, such quantities and numbers are not to be considered restrictive, but representative of the possible quantities or numbers associated with the present application. Also, in this regard, the present application may use the term “plurality” to reference a quantity or number. In this regard, the term “plurality” is meant to be any number that is more than one, for example, two, three, four, five, etc. The terms “about,” “approximately,” “near,” etc., mean plus or minus 5% of the stated value. For the purposes of the present disclosure, the phrase “at least one of A, B, and C,” for example, means (A), (B), (C), (A and B), (A and C), (B and C), or (A, B, and C), including all further possible permutations when greater than three elements are listed.

[0151] Embodiments disclosed herein may utilize circuitry in order to implement technologies and methodologies described herein, operatively connect two or more components, generate information, determine operation conditions, control an appliance, device, or method, and / or the like. Circuitry of any type can be used. In an embodiment, circuitry includes, among other things, one or more computing devices such as a processor (e.g., a microprocessor), a central processing unit (CPU), a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or the like, or any combinations thereof, and can include discrete digital or analog circuit elements or electronics, or combinations thereof.

[0152] An embodiment includes one or more data stores that, for example, store instructions or data. Non-limiting examples of one or more data stores include volatile memory (e.G., Random Access memory (RAM), Dynamic Random Access memory (DRAM), or the like), non-volatile memory (e.G., Read-Only memory (ROM), Electrically Erasable Programmable Read-Only memory (EEPROM), Compact Disc Read-Only memory (CD-ROM), or the like), persistent memory, or the like. Further non-limiting examples of one or more data stores include Erasable Programmable Read-Only memory (EPROM), flash memory, or the like. The one or more data stores can be connected to, for example, one or more computing devices by one or more instructions, data, or power buses.

[0153] In an embodiment, circuitry includes a computer-readable media drive or memory slot configured to accept signal -bearing medium (e.G., computer-readable memory media, computer-readable recording media, or the like). In an embodiment, a program for causing a system to execute any of the disclosed methods can be stored on, for example, a computer-readable recording medium (CRMM), a signal-bearing medium, or the like. Non-limiting examples of signal-bearing media include a recordable type medium such as any form of flash memory, magnetic tape, floppy disk, a hard disk drive, a Compact Disc (CD), a Digital Video Disk (DVD), Blu-Ray Disc, a digital tape, a computer memory, or the like, as well as transmission type medium such as a digital and / or an analog communication medium (e.G., a fiber optic cable, a waveguide, a wired communications link, a wireless communication link (e.G., transmitter, receiver, transceiver, transmission logic, reception logic, etc.). Further non-limiting examples of signal-bearing media include, but are not limited to, DVD-ROM, DVD-RAM, DVD+RW, DVD-RW, DVD-R, DVD+R, CD-ROM, Super Audio CD, CD-R, CD+R, CD+RW, CD-RW, Video Compact Discs, Super Video Discs, flash memory, magnetic tape, magneto-optic disk, MINIDISC, nonvolatile memory card, EEPROM, optical disk, optical storage, RAM, ROM, system memory, web server, or the like.

[0154] In the claims and for purposes of the present disclosure, the terms “a”, “an”, “the”, and the like, refer to the singular and the plural forms of the object or element referenced.

[0155] The present application may include references to directions, such as “vertical,” “horizontal,” “front,” “rear,” “left,” “right,” “top,” and “bottom,” etc. These references, and other similar references in the present application, are intended to assist in helping describe and understand the particular embodiment (such as when the embodiment is positioned for use) and are not intended to limit the present disclosure to these directions or locations.

[0156] The principles, representative embodiments, and modes of operation of the present disclosure have been described in the foregoing description. However, aspects of the present disclosure, which are intended to be protected, are not to be construed as limited to the particular embodiments disclosed. Further, the embodiments described herein are to be regarded as illustrative rather than restrictive. It will be appreciated that variations and changes may be made by others, and equivalents employed, without departing from the spirit of the present disclosure. Accordingly, it is expressly intended that all suchvariations, changes, and equivalents fall within the spirit and scope of the present disclosure as claimed.NON-LIMITING EMBODIMENTS

[0157] While general features of the disclosure are described and shown and particular features of the disclosure are set forth in the claims, the following non-limiting embodiments relate to features, and combinations of features, that are explicitly envisioned as being part of the disclosure. The following non-limiting Embodiments contain elements that are modular and can be combined with each other in any number, order, or combination to form a new non-limiting Embodiment, which can itself be further combined with other non-limiting Embodiments.

[0158] Embodiment 1. A straw-in-straw degassing unit comprising: an output nozzle; an outer tube, the outer tube comprising a first side and a second side, wherein the first side of the outer tube is coupled to the output nozzle, thereby placing an interior of the outer tube in fluid communication with an outlet of the output nozzle, the outer tube further comprising: a first outer tube aperture defined along a wall of the outer tube in a first outer tube location proximate the first side of the outer tube, and a second outer tube aperture defined along the wall of the outer tube in a second outer tube location proximate the second side of the outer tube; an inner tube nested within an interior of the outer tube and wherein an exterior of the inner tube is configured to slidably contact the interior of the outer tube, the inner tube comprising a first side and a second side, the inner tube further comprising a first inner tube aperture defined along a wall of the inner tube; and a buoyant element coupled to the second side of the inner tube and disposed exterior to the second side of the outer tube, wherein a diameter of the buoyant element is greater than an internal diameter of the outer tube.

[0159] Embodiment 2. A formulation pouch, comprising: a formulation packet defining a formulation chamber; and the straw-in-straw degassing unit of Embodiment 1, wherein the straw-in-straw degassing unit is disposed within the formulation chamber, and wherein the output nozzle is disposed at a first side of the formulation packet.

[0160] Embodiment 3. The formulation pouch with a straw-in-straw degassing unit of Embodiment 2 or any other Embodiment, further comprising a non-gaseous formulation disposed inside the formulation chamber.

[0161] Embodiment 4. The formulation pouch with a straw-in-straw degassing unit of Embodiments 2-3 or any other Embodiment, wherein the non-gaseous formulationcomprises a formulation density, wherein the buoyant element comprises a buoyant element density, and wherein a magnitude of the buoyant element density is smaller than a magnitude of the formulation density.

[0162] Embodiment 5. The formulation pouch with a straw-in-straw degassing unit of Embodiments 2-4 or any other Embodiment, wherein the buoyant element comprises an encapsulated air pocket.

[0163] Embodiment 6. The formulation pouch with a straw-in-straw degassing unit of Embodiment 2-5 or any other Embodiment, wherein, when the first inner tube aperture aligns with the second outer tube aperture, a first inlet channel is defined, thereby permitting a flow of non-gaseous formulation from the formulation chamber, through the second outer tube aperture, the first inner tube aperture, and an interior of the inner tube, and out through the output nozzle.

[0164] Embodiment 7. The formulation pouch with a straw-in-straw degassing unit of Embodiment 2-6 or any other Embodiment, wherein, when the first inner tube aperture is not aligned with the second outer tube aperture, a second inlet channel is formed through the first outer tube aperture, thereby permitting a flow of non-gaseous formulation from the formulation chamber, through the first outer tube aperture and an interior of the outer tube, and out through the output nozzle.

[0165] Embodiment 8. The formulation pouch with a straw-in-straw degassing unit of Embodiment 2-7 or any other Embodiment, wherein the first inner tube aperture comprises a plurality of first inner tube micro-bores formed around a circumference of the inner tube.

[0166] Embodiment 9. The formulation pouch with a straw-in-straw degassing unit of Embodiment 2-8 or any other Embodiment, wherein the first outer tube aperture comprises a plurality of first outer tube micro-bores formed substantially around a circumference of the outer tube at the first outer tube location.

[0167] Embodiment 10. The formulation pouch with a straw-in-straw degassing unit of Embodiment 2-9 or any other Embodiment, wherein the second outer tube aperture comprises a plurality of second outer tube micro-bores formed substantially around a circumference of the outer tube at the second outer tube location.

[0168] Embodiment 11. The formulation pouch with a straw-in-straw degassing unit of Embodiment 2-10 or any other Embodiment, wherein the second side of the inner tube defines an aperture that is in fluid communication with the formulation chamber.

[0169] Embodiment 12. The formulation pouch with a straw-in-straw degassing unit of Embodiment 2-11 or any other Embodiment, wherein the outer tube further comprises a third outer tube aperture, a fourth outer tube aperture, a fifth outer tube aperture, a sixth outer tube aperture, a seventh outer tube aperture, an eighth outer tube aperture, a ninth outer tube aperture, or a tenth outer tube aperture.

[0170] Embodiment 13. The formulation pouch with a straw-in-straw degassing unit of Embodiment 2-12 or any other Embodiment, wherein the inner tube further comprises a second inner tube aperture, a third inner tube aperture, a fourth inner tube aperture, or a fifth inner tube aperture.

[0171] Embodiment 14. The formulation pouch with a straw-in-straw degassing unit of Embodiment 2-13 or any other Embodiment, further comprising a porous cage configured to encapsulate the outer tube and buoyant module without contacting the outer tube or buoyant module.

[0172] Embodiment 15. The formulation pouch with a straw-in-straw degassing unit of Embodiment 2-14 or any other Embodiment, wherein the porous cage contacts a second side of the formulation packet.

[0173] Embodiment 16. A formulation cartridge including: a body portion configured to contain a formulation pouch; a release located on a body portion of the formulation cartridge; a handle portion configured to enclose at least a portion of the body portion; and a protrusion internal to the handle portion, wherein the protrusion is configured to apply pressure onto the release when the body portion is inserted into the handle portion, and wherein the pressure degasses the body portion of the formulation pouch.

[0174] Embodiment 17. The formulation cartridge of Embodiment 16 or any other Embodiment, wherein the release is located on a rear body portion of the formulation cartridge.

[0175] Embodiment 18. The formulation cartridge of Embodiments 16-17 or any other Embodiment, wherein the release is located on a hump of the body portion of the formulation cartridge.

[0176] Embodiment 19. The formulation cartridge of Embodiments 16-18 or any other Embodiment, wherein the protrusion is triangular.

[0177] Embodiment 20. The formulation cartridge of Embodiments 16-19 or any other Embodiment, wherein the protrusion is a first protrusion located on a first internal side of the handle portion, and wherein the formula cartridge further comprises: a secondprotrusion located on a second internal side of the handle portion on a second internal side of the handle potion, opposite the first internal side.

[0178] Embodiment 21. The formulation cartridge of Embodiments 16-20 or any other Embodiment, wherein the protrusion comprises a bump.

[0179] Embodiment 22. The formulation cartridge of Embodiments 16-21 or any other Embodiment, wherein the protrusion comprises a spring.

[0180] Embodiment 23. The formulation cartridge of Embodiments 16-22 or any other Embodiment, wherein the spring comprises a coil and a platform.

[0181] Embodiment 24. The formulation cartridge of Embodiments 16-23 or any other Embodiment, wherein the spring is selected from a compression spring, a leaf spring, or a molded spring.

[0182] Embodiment 25. The formulation cartridge of Embodiments 16-24 or any other Embodiment, wherein the formulation cartridge further comprises: a valve configured to purge gas emitted from the release, and wherein the valve is force balanced to the spring.

[0183] Embodiment 26. The formulation cartridge of Embodiments 16-25 or any other Embodiment, wherein the protrusion is located on a side of the handle portion.

[0184] Embodiment 27. The formulation cartridge of Embodiments 16-26 or any other Embodiment, wherein the release is located on a half of the body portion of the formulation cartridge.

[0185] Embodiment 28. The formulation cartridge of Embodiments 16-27 or any other Embodiment, wherein the protrusion is located on a bottom of the handle portion.

[0186] Embodiment 29. The formulation cartridge of Embodiments 16-28 or any other Embodiment, wherein, when pressure is applied to the release, an opening is formed.

[0187] Embodiment 30. The formulation cartridge of Embodiments 16-29 or any other Embodiment, wherein the formulation cartridge further comprises: a valve configured to purge gas emitted from the release.

[0188] Embodiment 31. The formulation cartridge of Embodiments 16-30 or any other Embodiment, wherein the formulation cartridge further comprises the formulation pouch, and wherein the formulation pouch contains a hair developer.

[0189] Embodiment 32. A method of degassing the formula cartridge of Embodiments 16-31 or any other Embodiment, the method comprising: placing theformula pouch into the body portion of the formulation cartridge; inserting the body portion into the handle portion; contacting the protrusion inside the handle portion with the release on the body portion; applying pressure to the release with the protrusion; and degassing the formulation cartridge.

[0190] Embodiment 33. The method of Embodiments 16-32 or any other Embodiment, wherein applying pressure to the release forms an opening in the body portion.

[0191] Embodiment 34. The method of Embodiments 16-33 or any other Embodiment, further comprising: purging gas emitted by the release with a valve on the formulation cartridge.

[0192] Embodiment 35. The method of Embodiments 16-34 or any other Embodiment, wherein the protrusion is a spring, and wherein the method further comprises: purging gas emitted by the release with a valve on the formulation cartridge, wherein the valve is force balanced to the spring.

[0193] While illustrative embodiments have been illustrated and described, it will be appreciated that various changes can be made therein without departing from the spirit and scope of the disclosure.

[0194] Table 1. Listing of Drawing Elements

Claims

CLAIMSWhat is claimed is:

1. A straw-in-straw degassing unit, comprising: an output nozzle; an outer tube comprising a first side and a second side, wherein the first side of the outer tube is coupled to the output nozzle, thereby placing an interior of the outer tube in fluid communication with an outlet of the output nozzle, the outer tube further comprising: a first outer tube aperture defined along a wall of the outer tube in a first outer tube location proximate the first side of the outer tube, and a second outer tube aperture defined along the wall of the outer tube in a second outer tube location proximate the second side of the outer tube; an inner tube nested within an interior of the outer tube and wherein an exterior of the inner tube is configured to slidably contact the interior of the outer tube, the inner tube comprising a first side of the inner tube and a second side of the inner tube, the inner tube further comprising a first inner tube aperture defined along a wall of the inner tube; and a buoyant element coupled to the second side of the inner tube and disposed exterior to the second side of the outer tube, wherein a diameter of the buoyant element is greater than an internal diameter of the outer tube.

2. A formulation pouch, comprising: a formulation packet defining a formulation chamber; and the straw-in-straw degassing unit of claim 1, wherein the straw-in-straw degassing unit is disposed within the formulation chamber, and wherein the output nozzle is disposed at a first side of the formulation packet.

3. The formulation pouch of claim 2, further comprising a non-gaseous formulation disposed inside the formulation chamber.

4. The formulation pouch of any of claims 2 or 3, wherein the non-gaseous formulation comprises a formulation density, wherein the buoyant element comprises a buoyant element density, and wherein a magnitude of the buoyant element density is smaller than a magnitude of the formulation density.

5. The formulation pouch of any of claim 2-4, wherein the buoyant element comprises an encapsulated air pocket.

6. The formulation pouch of any of claims 2-5, wherein, when the first inner tube aperture aligns with the second outer tube aperture, a first inlet channel is defined, thereby permitting a flow of non-gaseous formulation from the formulation chamber, through the second outer tube aperture, the first inner tube aperture, and an interior of the inner tube, and out through the output nozzle.

7. The formulation pouch of any of claims 2-6, wherein, when the first inner tube aperture is not aligned with the second outer tube aperture, a second inlet channel is formed through the first outer tube aperture, thereby permitting a flow of non-gaseous formulation from the formulation chamber, through the first outer tube aperture and an interior of the outer tube, and out through the output nozzle.

8. The formulation pouch of any of claims 2-7, wherein the first inner tube aperture comprises a plurality of first inner tube micro-bores formed around a circumference of the inner tube.

9. The formulation pouch of any of claims 2-8, wherein the first outer tube aperture comprises a plurality of first outer tube micro-bores formed substantially around a circumference of the outer tube at the first outer tube location.

10. The formulation pouch of any of claims 2-9, wherein the second outer tube aperture comprises a plurality of second outer tube micro-bores formed substantially around a circumference of the outer tube at the second outer tube location.

11. The formulation pouch of any of claims 2-10, wherein the second side of the inner tube defines an aperture that is in fluid communication with the formulation chamber.

12. The formulation pouch of any of claims 2-11, wherein the outer tube further comprises a third outer tube aperture, a fourth outer tube aperture, a fifth outer tube aperture, a sixth outer tube aperture, a seventh outer tube aperture, an eighth outer tube aperture, a ninth outer tube aperture, or a tenth outer tube aperture.

13. The formulation pouch of any of claims 2-12, wherein the inner tube further comprises a second inner tube aperture, a third inner tube aperture, a fourth inner tube aperture, or a fifth inner tube aperture.

14. The formulation pouch of any of claims 2-13, further comprising a porous cage configured to encapsulate the outer tube and buoyant module without contacting the outer tube or buoyant module.

15. The formulation cartridge of any of claims 2-14, wherein the porous cage contacts a second side of the formulation packet.

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