4383results about "Sacks" 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.

Provided are a lid, a container with the lid, and a combination of the lid and the container, which can prevent contents from leaking from the container with the lid while using a paper-based raw material, and can improve the recyclability. The lid is configured so as to be attachable to a container having an opening and an edge forming the opening, and has a top surface portion that covers the opening when attached to the container. The top surface portion has a paper-based substrate comprising a paper-based material, a penetration portion penetrating the paper-based substrate, a gas-liquid separation material capable of separating a gas in a gas phase and at least a portion of a liquid in the liquid phase from a mixed fluid having the gas phase and the liquid phase, and a thermoplastic coating agent. The gas-liquid separation material has a paper-based air-permeable sheet that includes long fibers and has air permeability, a liquid-repellent agent that imparts liquid repellency to the paper-based air-permeable sheet is disposed on at least one surface of the paper-based air-permeable sheet, and the gas-liquid separation material is disposed so as to cover at least a portion of the penetration portion in a plan view of the paper-based base material, and the gas-liquid separation material is disposed so as to cover at least a portion of the penetration portion in a plan view of the paper-based base material. And the coating agent is used for bonding the gas-liquid separation material and the paper base material.

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 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.

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.

A watertight flexible container according to aspects of the present invention includes one or more openings, one or more first members located in one or more of the openings, and a second member located opposite the first member. The second member has one or more protrusions towards the first member. When the members are pressed against each other, the members interlock to form a hermetic seal. In some embodiments, the second member may be made of soft material so that the protrusion of the first member is pressed into the soft second member. In some embodiments, the first member includes at least one socket corresponding to the protrusion. In some embodiments, the protrusion and socket materials and dimensions may be such that mutual pressing of the members causes deformation and mutual adjustment in the dimensions of the protrusion and socket, allowing penetration and interlock of the protrusion into said socket.

An object of the invention is to provide a resin laminate for packaging material containing a base layer and a sealant layer each of which contains the same material with high processability. The resin laminate for packaging material contains at least a base layer and a sealant layer, wherein each of resin compositions for the base layer and the sealant layer contains the same resin (A) as a main component, the base layer has a fusion initiation temperature (FIT-B), and the sealant layer has a seal strength reaching temperature (SRT-S), wherein the temperatures satisfy the following inequalities of from (1) to (3):50° C.≤(FIT-B)−(SRT-S)≤90° C.  Inequality (1)90° C.≤(SRT-S)≤120° C.  Inequality (2)160° C.≤(FIT-B)≤180° C.  Inequality (3).

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.

A lawn refuse bag includes a lawn bag body defining a top end and an interior cavity, the top end defining a top lawn bag opening, the lawn refuse bag configured to receive lawn refuse in the interior cavity through the top lawn bag opening in an open orientation of the lawn refuse bag; a first lawn bag handle assembly coupled to the lawn bag body at the top end; and a second lawn bag handle assembly coupled to the lawn bag body at the top end; wherein the lawn bag body defines a height and a width, and wherein the lawn bag body defines a height-to-width ratio in the open orientation of about 1.6.

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.

A barrier laminated film includes at least an unstretched laminated film and a vapor deposited film. The laminated film includes at least a polyolefin resin layer and a gas barrier resin layer, and the vapor deposited film is disposed on the gas barrier resin layer.

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.

The invention belongs to the technical field of flexible freight bags, and particularly relates to a high-barrier sealed waterproof multilayer food flexible freight bag and a preparation method thereof. The multi-layer container bag for food comprises an antibacterial inner layer, a barrier middle layer and a waterproof outer layer, the antibacterial inner layer comprises titanium dioxide modified aramid pulp coated with polyethylene and a chitosan intercalation dihydroxy compound in a mass ratio of (10-15): 1; the barrier middle layer comprises an ethylene-vinyl alcohol copolymer, an ethylene-vinyl acetate copolymer and erucic acid modified nano silicon dioxide in a mass ratio of (86-93): (5-10): (2-4); and the waterproof outer layer comprises polypropylene. The container bag provided by the invention has excellent antibacterial, puncture-resistant, barrier and waterproof functions, can be used as an inner bag of the container bag for food, is used for transporting and storing food, and prolongs the shelf life of the food.

The invention discloses an antibacterial sanitary towel packaging bag and a preparation method thereof. The antibacterial sanitary towel packaging bag comprises a base material layer, an antibacterial layer and a leakage-proof layer. The base material layer is prepared by blending modified polylactic acid, polybutylene adipate and the like and contains a degradation accelerant; the antibacterial layer contains antibacterial peptide-loaded nano montmorillonite, chitosan and the like, and loofah sponge fiber enhances slow release; and the leakage-proof layer is an ethylene-vinyl acetate copolymer and modified silicon dioxide blended film and is provided with breathable micropores. The preparation method comprises the steps of forming the base material layer, coating the antibacterial layer and the like, and process parameters of each layer are accurately controlled. According to the packaging bag, through cooperation of three layers, the bacteriostasis rate of the packaging bag on escherichia coli and staphylococcus aureus in 24 hours is higher than 99%, the degradation rate of the packaging bag in 83 days is higher than 88%, the oxygen permeability is 4.5-5.2 cm < 3 > / (m224h 0.1 MPa), and the packaging bag has the advantages of long-acting antibiosis, air permeability, leakage prevention, environmental protection, degradation and good mechanical properties, and meets the storage and use requirements of sanitary napkins.

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