6067results about "Bags" patented technology

An insulated box assembly can include a box including a pair of opposing side box panels, a pair of opposing main box panels, and a bottom box panel, the box defining an internal box cavity with a box opening defined opposite from the bottom box panel; and an insulated liner positioned within the internal box cavity, the insulated liner including a pair of opposing main liner panels and a pair of opposing side liner panels, the pair of opposing main liner panels and the pair of opposing side liner panels defined by a single blank liner panel including a blank sheet and an insulation batt, the insulation batt positioned between the blank sheet and the box.

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.

Disclosed are flexible fluid reservoirs including a front sheet and a back sheet, each comprising a four-layer insulated wall. The four-layer insulated wall includes an interior layer and an exterior layer, and a metallic film layer and an insulation layer disposed between the interior layer and the exterior layer where the metallic film layer is oriented toward the exterior layer and the insulation layer is oriented toward the interior layer. One or more of the interior or exterior layers can be a metallocene modified polyethylene film. The metallic film layer can be aluminum coated polyethylene terephthalate resin. The insulation layer can be a foam layer comprising closed cell polyethylene resin. The four-layer insulated wall can resist or limit temperature changes of a fluid disposed within the reservoir for a period of time. The insulated fluid reservoirs can include closure mechanisms for sealing an upper opening of the reservoir.

To provide a barrier film which can suppress lowering of barrier property after heating sterilization treatment, and includes a vapor-deposited film and a coating layer formed on an OPP film base material, and a laminate using the same.SOLUTION: There is provided a barrier film in which a biaxially stretched polypropylene base material, a substrate layer, and an aluminum oxide vapor-deposited film are laminated in this order, wherein a peak top ratio P by X-ray absorption fine structure analysis of the aluminum oxide vapor-deposited film is 0.70 or more and less than 1.05. P=(intensity peak top in the vicinity of 1,572 eV) / (intensity peak top in the vicinity of 1,566 eV).SELECTED DRAWING: None

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.

A coextruded multi-layer compostable film comprises a core layer, a first cap layer and a second cap layer. The core layer comprises PLA resin, PHA resin and modifier X. The modifier X comprises migratory additives such as slip agents, nucleating agent, plasticizers, hydrolytic promoters, enzymes and fillers or mixtures thereof. The cap layers comprise at least 60 wt % TUV-certified home compostable composition. The content of migratory components in the cap layers is less than 0.5 wt % of the total weight of the cap layer, more preferably, less than 0.1 wt % of the total weight of the cap layer, more preferably, no migratory additives in the cap layers. The first cap layer has direct contact to the surface of the first chilled drum and the second cap layer has direct contact to the surface of the second chilled drum. In casting of a film, plate-out does not form on the surface of the chilled drums. The cap layers effectively prevent forming plate-out on the surface of processing equipment.

A collapsible holding device supporting apparatus is releasably mountable to a separate surface and includes first and second proximal arms, first and second distal arms and a handle that are interconnected by pivot connections. A holding device is supported on the first and second proximal arms and the first and second distal arms with the holding device surrounded by the arms. The pivot connections enable the handle to be moved toward the separate surface causing the first and second proximal arms and the first and second distal arms to move to adjacent, side by side positions and closing the holding device, and enable the handle to be moved away from the separate surface causing the first and second proximal arms and first and second distal arms to be move to angled orientations and opening the holding device surrounded by the arms.

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.

The invention discloses an inflatable bag capable of intelligently monitoring the pressure of an air valve, and belongs to the field of inflatable bags. The inflatable bag capable of intelligently monitoring the pressure of the air valve comprises an inflatable bag body, ventilation pipes are arranged on the surface of the inflatable bag body at equal intervals, the tops of the ventilation pipes are communicated with an inflation opening of the inflatable bag body, the bottoms of the ventilation pipes are communicated with an air column body, sealing structures are arranged in the ventilation pipes, and the air valve is arranged below the sealing structures. The problems that in the inflation process in the prior art, if the pressure is too large, the air column bag swells, and consequently the air column bag is exploded due to falling or collision in the transportation process are solved, the pressure of the inflation bag body is continuously monitored, when it is monitored that the pressure in the air column body is close to the predicted pressure, the sealing structure is closed, and the air column bag is prevented from being damaged. It is guaranteed that the pressure of the inflatable bag body is within the pressure threshold value range all the time, and the situation that due to the fact that the pressure is too large, the inflatable bag body explodes, and packaged products are damaged in the transportation process is avoided.

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.

According to one aspect of the invention, there is provided a pressure relief valve comprising a body (1) configured to be fastened to a flexible packaging material. The body has at least one through-hole (14) forming a passage through the body; the valve diaphragm (2) rests from the packaging side to the body in a region located around the bore (14); and a sealing liquid located between the main body (1) and the valve diaphragm (2). The valve comprises a water-soluble polymer, which means that at least one component of the valve, such as the body (1), is made of a polymer composition comprising a water-soluble polymer.

Provided is a sealant film for laminates that has excellent heat resistance, low-temperature sealing properties and impact resistance. [Solution] A sealant film for laminates to be used with a polypropylene content of 80% by mass or more, the sealant film for laminates comprising at least a first layer located on one surface of the laminate and a second layer in contact with the first layer, the first layer comprising a first matrix resin component and a first dispersed component at 51% by mass or more and 90% by mass or less, and having a sea-island structure with the first dispersed component dispersed in the first matrix resin component, the second layer comprising a second matrix resin component and a second dispersed component at 51% by mass or more and 85% by mass or less, and having a sea-island structure with the second dispersed component dispersed in the second matrix resin component, the first matrix resin component comprising a propylene-ethylene random copolymer, the first dispersed component comprising 5% by mass or more of polyethylene, the second matrix resin component comprising a block polypropylene, and the second dispersed component comprising 5% by mass or more of polyethylene.

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 relates to the field of medical packaging materials, in particular to a medical bacteria-blocking packaging bag and a preparation method thereof. The medical antibacterial packaging bag is prepared from the following raw materials in percentage by mass: 35 to 45 percent of polypropylene, 10 to 20 percent of modified functional resin, 4 to 11 percent of functional composition, 6 to 12 percent of filler, 1 to 3 percent of antibacterial agent, 1 to 1.5 percent of antioxidant, 0.8 to 1.4 percent of lubricant, 0.5 to 1 percent of nucleating agent, 0.3 to 0.6 percent of antistatic agent and the balance of flexibilizer. The finally prepared packaging bag material not only has excellent antibacterial property and mechanical strength, but also has good barrier property, high temperature resistance, corrosion resistance and the like, so that the use reliability of the medical antibacterial packaging bag is greatly enhanced; the high-performance requirements of existing medical instruments and medicines on the medical packaging bag in the aspect of sterilization compatibility are met, and the medical antibacterial packaging bag has wide medical antibacterial application potential.

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.

To provide a discharge port body, a discharge port combined body, and a container with a discharge port, which can be easily manufactured.SOLUTION: A discharge port body 20 includes a discharge port 21 on which a first through hole 24 is formed, and a joint part 22 which is located below the discharge port 21 and on which a second through hole 27 is formed which communicates with the first through hole 24. A protruding part 30 is formed around the second through hole 27 and protrudes downward from the bottom surface 22b of the joint part 22.SELECTED DRAWING: Figure 6

A gas barrier film including a base layer containing a polypropylene resin, a vapor deposition layer containing an inorganic oxide, and a gas barrier coating layer in that order, wherein the base layer includes a first skin layer and a core layer, and the vapor deposition layer is formed on the side of the first skin layer, and wherein the hardness of the first skin layer measured by a nano-indentation method is 0.02 to 0.15 GPa, the hardness of the core layer is 0.07 GPa or more, and the hardness of the core layer is larger than the hardness of the first skin layer.

Flexible self-adhesive label with a covered adhesive region selectively peelable, the label comprising a flexible layer (10); a pressure-sensitive adhesive layer (20) covering at least a first region (22) of a first side of the flexible layer (10); a liner (30) with a first liner region (32) adhered over the first region (22) and intended to be removed from the first region (22) leaving it exposed; wherein the adhesive layer (20) also covers a second region (23) of the first side of the flexible layer (10); and the liner (30) includes a base region (31), attached to the second region, the base region (31) and the first liner region (32) being connected through a first fold line (33) whose ends are approximately tangent to anti-tear configurations (36) of the liner (30), allowing to expose the first region (22) keeping the liner (30) attached to the second region (23).

According to one aspect of the invention, there is provided a pressure relief valve comprising a cup-shaped body (1) configured to be fixed to a flexible packaging material, the body having a bottom (11) and a peripheral wall (12). The bottom has at least one through hole (14) forming a passage through the body. The valve diaphragm is attached to the main body from the packaging side in the area around the through hole (14), and a sealing liquid is arranged between the main body and the valve diaphragm. The valve diaphragm thereby covers the at least one passage opening (14). The peripheral wall (12) has a plurality of recesses (71) on the outside thereof.

An envelope formed from a sheet of flexible material and including: a lower section, an upper section superposed on the lower section, the sections being joined together by lateral edges, leaving an opening between the lateral edges, a protective strip on a layer of closing adhesive, the layer of closing adhesive being intended to ring about the closure of the envelope after the protective strip has been removed, and at least one precut region that is able to be detached from the envelope, the protective strip and the layer of closure adhesive extending at least partially over the precut region. Associated method and production machine.

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.