4275results about "Bags" patented technology

An insulated box assembly can include an insulated liner defining a liner cavity, the liner including a pair of opposing main liner panels, a pair of opposing side liner panels, and a bottom liner panel, the main liner panels, the side liner panels, and the bottom liner panel each being defined by an insulation batt encapsulated in a panel cavity defined between a pair of blank sheets, each panel cavity of each main panel and each side panel being enclosed by a liner border, and the panel cavity of the bottom liner panel being enclosed by a bottom border, wherein the bottom border forms a bottom seam along a perimeter of the bottom liner panel with portions of the liner borders of the main liner panels and side liner panels.

A multi-sheet bag includes an inner sheet having a film side defining an interior surface of the multi-sheet bag; an outer sheet coupled to the inner sheet on a side opposite the film side; at least one void disposed between the inner sheet and the outer sheet defined by an adhesive pattern deposited between the inner sheet and the outer sheet.

A multi-ply bag includes an inner sheet assembly having a film side defining an interior surface of the multi-sheet bag, the inner sheet assembly having an another side opposite the film side; an outer sheet coupled to the opposite side; and at least one void disposed between the inner sheet and the outer sheet.

A repulpable container defines a cavity and a cavity opening at a top end of the repulpable container, both the cavity and the opening defined by a film layer, the film layer disposed on a first paper layer, the film layer configured to reduce heat transfer between the cavity and the first paper layer, the first paper layer arranged proximate to a second paper layer with at least one void therebetween.

A blank includes an inner sheet having at least a base layer having a first side and a second side opposite the first side, the inner sheet including a film coupled to the first side of the base layer, and an outer sheet coupled to the second side of the base layer by an adhesive deposited between the outer sheet and the base layer such that a plurality of voids are formed between the outer sheet and the inner sheet, wherein the blank is configured to be folded into a multi-ply bag such that the film defines the inner cavity of the multi-ply bag.

A resealable bag assembly can include an open-ended bag and a zipper assembly having a tear strip. Interlocking profile bodies of the zipper assembly can repeatedly mate with each other to seal the bag closed and separate from each other to open the bag. The tear strip can be pulled to tear an opening through the zipper assembly. In contrast to some known bag assemblies having tear strips along top edges, top bends, or top folds in the bag assemblies, one or more examples of the zipper assemblies described herein may position the tear strip along a front side or surface of the bag assembly, which also can be the surface of the bag assembly that is presented to a consumer and may include indicia identifying the product inside the bag assembly and / or the entity manufacturing or selling the product.

The invention discloses a high-barrier antibacterial packaging material, a preparation method thereof and a packaging bag, and belongs to the technical field of packaging, the packaging material comprises the following raw materials by weight: 75-85 parts of polylactic acid, 15-25 parts of poly (butylene succinate), 2-6 parts of epoxidized urushiol, and 1-3 parts of benzyl quaternary ammonium salt modified montmorillonite; the epoxidized urushiol is prepared by carrying out epoxidation reaction on urushiol and organic peroxy acid; the packaging material further comprises the following raw materials: 2-5 parts of sepiolite fiber loaded magnesium oxide; according to the invention, biodegradable polylactic acid and poly (butylene succinate) are taken as base materials, and epoxidized urushiol is taken as a reactive compatilizer, so that the compatibility between polylactic acid and poly (butylene succinate) is improved, and meanwhile, the binding property between a polymer matrix and benzyl quaternary ammonium salt modified montmorillonite and sepiolite loaded magnesium oxide is enhanced; the packaging material with good mechanical property, barrier property and antibacterial property is obtained.

The invention relates to a multi-chamber nicotine bag based on essence beads and pH regulator beads, the nicotine bag comprises nicotine powder, beads and a bag, the beads comprise essence beads and pH regulator beads, and the nicotine powder and the beads are packaged in the bag. The pouch may include at least two chambers, and the nicotine powder and the beads are encapsulated in different chambers. Compared with an existing nicotine bag, the nicotine bag has the advantages that the liquid essence and the pH regulator are independently wrapped in the condensate beads, so that volatilization of the essence and chemical inactivation caused by direct contact of the pH regulator and nicotine powder are avoided, and the storage life can be prolonged; and the prominent problems of local over-thick stimulation and insufficient overall release caused by uneven saliva wetting of a traditional nicotine bag are solved.

The utility model discloses automatic bag making and bagging equipment which comprises a machine base and an electric control cabinet, the machine base is sequentially provided with a feeding device, a shaping vacuum cylinder and an automatic bagging device, the inner wall of the shaping vacuum cylinder is provided with a plurality of suction ports in the circumferential direction, and the suction ports are used for adsorbing the outer wall of a bag material so that the bag material can be kept in a cylindrical shape. The automatic bagging device comprises an inner mold for sleeving a bag material, a straight pipe conveying and grabbing device used for tightly sucking the bag material and sleeving the bag material on the inner mold is further arranged between the shaping vacuum cylinder and the bagging automation device. The bag sealing and cutting device is used for heat-sealing the end part of the bag material to form a bag body and cutting off the connection between the bag body and the bag material, and the bent pipe conveying, grabbing and releasing device is used for adsorbing the end part of the unprocessed bag material to keep the bag material in a cylindrical shape, so that the whole process does not need manual intervention, continuous and rapid bag making and bagging operation can be realized, and the production efficiency is greatly improved.

A laminated polypropylene-based film suitable for retort packaging having an exterior film, a barrier layer, and a sealing layer. The retort packaging film has a total composition including high levels of polyolefin-based polymers and polypropylene-based polymers such that the material can be processed efficiently in a polypropylene recycling process. Advantageously, the film retains the properties required to suitably withstand the retort process and produce a high-quality shelf-stable packaged product.

The invention relates to the technical field of flour waterproof packaging bags, in particular to a wear-resistant waterproof packaging bag for flour processing and production. An outer layer material of the packaging bag comprises the following raw materials in parts by mass: 75-85 parts of polyamide, 15-25 parts of a thermoplastic elastomer, 2-5 parts of nano calcium carbonate, 0.2-0.25 part of an antioxidant, 1-3 parts of a nucleating agent and 5-10 parts of a citrate plasticizer; the middle layer material of the packaging bag comprises the following raw materials in parts by mass: 55-65 parts of a polyamide monomer, 35-45 parts of a polyether monomer and 0.5-1.5 parts of a catalyst; the inner layer of the packaging bag is made of 100 parts of food-grade low-density polyethylene. According to the flour packaging bag, by optimizing the material formula and the preparation technology, balance of flexibility and rigidity is achieved, abrasion resistance and water resistance are remarkably enhanced, aging resistance stability is improved, accurate technology guarantee performance is achieved, efficient bonding and antistatic design are achieved, flour quality and transportation safety are guaranteed, and potential risks are reduced.

The invention discloses a bacteriostatic and antiviral bamboo pulp paper-based sanitary isolation bag as well as a preparation method and application thereof, and belongs to the field of functional paper-based packaging materials. The isolation bag takes bamboo pulp fiber paper as a base material, and the surface of the isolation bag is coated with a water-based polyhydroxyalkanoate functional coating. According to the preparation method, a special polyphenol derivative-chitosan quaternary ammonium salt-nano zinc oxide organic-inorganic hybrid factor is introduced, and the problem of agglomeration of nano particles is effectively solved by utilizing the special bridging effect of polyphenol, so that high-density cation capture and oxidation inactivation sites are constructed on the surface of the coating. Compared with the prior art, the method has the advantages that the method does not need to depend on organic fluorine compounds, and the excellent waterproof and oil-proof barrier effect and the efficient inactivation of viruses can be achieved only through the extremely low coating amount. In addition, the isolation bag has unique environmental chemical responsiveness, can be efficiently dissociated under the alkaline condition to facilitate repulping recovery, can be completely biodegraded in the natural environment, and perfectly considers the requirements of biological safety protection and green environmental protection.

A zipper for a reclosable bag includes a first interlocking element, and a second interlocking element. The first interlocking element and the second interlocking element are configured to cooperate to selectively open and close the zipper. One or both of the first interlocking element and the second interlocking element are formed of at least 85% repulpable material.

The utility model discloses a suction nozzle and a flexible packaging container, the suction nozzle comprises a main body and a mouth part, the main body is provided with a through hole, the side wall of the through hole is provided with a limiting part, the mouth part is provided with a suction hole, and the outer wall of the mouth part is provided with a first convex rib and a second convex rib which are used for being connected with the limiting part. The suction nozzle is designed to be of a two-body structure, and automatic filling under the sterile environment is facilitated.

The structure comprises an aluminum foil packaging bag provided with a first hot-press sealing line, the defibrillation electrode slice is packaged in the aluminum foil packaging bag, a wire penetrating opening is formed in one side of the aluminum foil packaging bag, the defibrillation electrode slice is connected with a plurality of strands of wires, and the wire penetrating opening is communicated with the first hot-press sealing line. The outer layer of the plurality of strands of wires is wrapped with a regular-shaped sealing glue layer, and the sealing glue layer is embedded, sealed and fixed in the wire penetrating opening. According to the sealing structure, perfect axial embedment between the sealing structure and the wire penetrating opening is achieved through the sealing glue layer in the regular shape, and the problem that due to the fact that the shape of a wire is irregular, an existing sealing structure cannot be well embedded with the wire penetrating opening, and poor sealing is prone to occurring is solved. In addition, the problem that the production cost is increased due to the fact that irregular wire joints need to be filled with sealants for sealing for many times in the later period can be avoided.

Disclosed herein is a system comprising of a packing member with a plurality of compartments, the number of compartments corresponding to the number of days in a week, making the subsequent packaging system readily accessible to organize, store, and retrieve pills, and a resealing device attached to or inherently part of the packaging member utilized to seal contents within said compartments.

A transport bag includes a closure device for detachably connecting the front wall to the rear wall in the closure state for receiving the conveying good and for releasing the connection from the closure state into the open state for releasing the conveying good. The locking of the closure device is performed with the aid of an electric drive. The reversible closing lock is achieved with the aid of the spring of the solenoid. For the opening of the closure device, the solenoid is switched for a short time and the reversible closing lock is released. The switching takes place in the unloading station by supplying electric current to the electric contacts with the aid of the electric switching contacts of the unloading station.

The utility model discloses a soft cable type electric heating element for a heat preservation bag and the heat preservation bag, and the soft cable type electric heating element is a three-core heating wire and comprises an insulation protection wire sheath, and a first heating electric heating wire, a second heating electric heating wire and a third heating electric heating wire which are arranged in the insulation protection wire sheath, are insulated from each other and are wound with each other. When the power supply of the heat preservation bag is an alternating-current power supply, the first heating electric heating wire serves as a heating source, and when the power supply of the heat preservation bag is a direct-current first power supply or a direct-current second power supply with different voltage values, the second heating electric heating wire or the third heating electric heating wire serves as a heating source. Due to the fact that the heat energy output power of the first electric heating wire, the second electric heating wire and the third electric heating wire is the same, the heat preservation bag supports power supply of different external power sources and can keep the same heat preservation effect under the condition that the different external power sources are connected.

The invention discloses a biodegradable polyester material as well as a preparation method and application thereof, and belongs to the technical field of high polymer materials. The biodegradable polyester material provided by the invention is prepared from the following components in parts by mass: 78 to 97 parts of biodegradable polyester composition, 3 to 22 parts of surface modified calcium carbonate, 0.05 to 0.55 part of chain extender and 0 to 1 part of processing aid, the biodegradable polyester composition comprises PBAT (poly (butylene adipate-co-terephthalate)), PLA (polylactic acid) and PPC (polypropylene carbonate), wherein the mass ratio of the PBAT to the PLA to the PPC is (80-90): (1-10): (1-10); the melt index of the PBAT at 190 DEG C / 2.16 kg is less than or equal to 10 g / 10 min; the molar content of D-lactic acid in the PLA is greater than or equal to 2%; the D50 particle size of the surface modified calcium carbonate is less than or equal to 2.2 microns. The biodegradable polyester material provided by the invention has excellent delayed edge sealing performance and puncture strength.

A reclosable enclosure includes a body having a front panel and a back panel secured to each other and forming a cavity therebetween to store contents. The body includes a flap that extends from a top end of the body. The reclosable enclosure includes a zipper assembly coupled to an interior surface of at least the front panel. The zipper assembly includes a first profile strip and a second profile strip that form a reclosable zipper to selectively close the cavity. The flap blocks access to the reclosable zipper and is sealed to at least one of the front panel or the second profile strip in an intact state of the flap. The flap defines one or more lines of weakness to permit irreparable separation of a sub-flap from a remainder of the flap to access the reclosable zipper.

To provide a pouch for a microwave oven that easily releases steam during heating and can prevent deformation of a portion provided with an automatic steam removal mechanism after filling contents.SOLUTION: A pouch for a microwave oven 100 has a rectangular outer shape in plan view and comprises an automatic steam removal mechanism 120. The automatic steam removal mechanism 120 includes a steam release portion 121, and a steam removal seal portion 125 surrounding a periphery of the steam release portion 121. The steam removal seal portion 125 is formed so as to be located within a width region of a seal peeling start portion P of the steam removal seal portion 125 whose circumference of an inscribed ellipse E is closest to a center point O of an accommodating portion 110 or in the vicinity of the seal peeling start portion when assuming the inscribed ellipse E in contact with a center of an inner edge of each side of a peripheral seal portion 115 of the pouch.SELECTED DRAWING: Figure 1

A medical package is made from a multi-layer film and is filled with a medical liquid for infusion and / or for parenteral nutrition. The medical package has at least one weld seam and at least one inner layer of a matrix-phase polymer system, an intermediate layer of a matrix-phase polymer system, and an outer layer of a matrix-phase polymer system.

There is disclosed a bag having a tubular body with a top open end and a bottom closed end. The tubular body has a larger open diameter at the top open end. The tubular body narrows into a narrower open diameter adjacent to a bottom closed end. The tubular body in a flattened two-fold condition has a pair of side edges extending from a top edge to a bottom edge. The top edge delimits the top open end. The bottom edge delimits the bottom closed end. The pair of side edges are generally parallel to one another in a first portion adjacent to the top edge.

A pressure-relief valve includes a main body equipped to be fastened to a flexible package material. The main body has at least one through hole forming a passage through the main body. A valve membrane lies, on a package side, against the main body in a region around the hole, and a sealing liquid between the main body and the valve membrane. The valve has a water-soluble polymer, whereby at least one component of the valve, for example the main body, is made of a polymer composition that includes a water-soluble polymer.

A tamper-evident bag assembly that can be sealed to enclose contents within the bag assembly in a tamper-evident manner. The bag assembly is provided with closure tabs that can be folded over the top edges of the bag assembly and sealed to a side panel of the bag. Strategic portions of the bag assembly can be scored to indicate tampering if unsealing of the adhesive takes place. The bag assembly is also provided with a pull tab designed facilitate opening of the sealed bag assembly to reveal the contents contained therein. When the pull tab is used to open the sealed bag, the bag cannot be re-sealed.

A multilayer packaging material includes a substrate formed of a cellulosic fiber-based material. The substrate has a first major surface and a second major surface opposite the first major surface. An oxygen barrier layer is formed of a PVOH material attached to the substrate, wherein the oxygen barrier layer is an innermost layer of the multilayer packaging material and further wherein the oxygen barrier layer is heat sealable. At least one moisture barrier layer is attached to the substrate, the moisture barrier layer selected from an inner moisture barrier layer disposed intermediate the substrate and the oxygen barrier layer and an outer moisture barrier layer disposed on the second major surface of the substrate. In further aspects, a packaging article, a method for making a multilayer packaging material, and a method for packaging a product are provided.

A packaging bag including a polyester-based multilayer film. The multilayer film includes at least: an innermost layer formed of a biaxially stretched polyethylene terephthalate film; a layer formed of polybutylene terephthalate; and / or a layer formed of a blend of polyethylene terephthalate and polybutylene terephthalate. The biaxially stretched polyethylene terephthalate film has a heat sealing portion that is amorphized or low-crystallized by laser light irradiation. The packaging bag is formed by allowing the innermost layers of the polyester-based multilayer film to be opposed to and superimposed on each other, and heat sealing the heat sealing portions.