B65D31/02

LAMINATE, AND PACKAGING MATERIAL, PACKAGING BAG AND STAND-UP POUCH EACH COMPRISING SAID LAMINATE, AND MULTI-LAYER SUBSTRATE

[Problem] Provided is a laminate which has sufficient strength and heat-resistance to be used as a packaging material or the like and which can be formed into a packaging material having excellent recyclability. [Solution] A laminate according to the present invention is characterized by including at least a substrate and a heat-sealing polyethylene layer, wherein the substrate and the heat seal layer are composed of the same material, the substrate is treated by stretching, and the above-mentioned same material is polyethylene.

Strengthened seam articles and methods of making the same

Articles having mechanically strengthened seams (320) and methods of making the same are provided. An article includes at least one material sheet (311) and a seam (320) formed from an overlap of two portions (310, 314) of the at least one material sheet (311) and an adhesive (312) deposited between the two portions (310, 314) of the at least one material sheet (311) along at least a portion of the overlap, the adhesive (312) sealing the two portions (310, 314) of the at least one material sheet (311), wherein at least one of the two portions (310, 314) of the material sheet (311) comprises a plurality of indents (322) on a surface thereof, such that the adhesive (312) penetrates the material sheet (311) at the indents (322) to provide a mechanical bond between the two portions (310, 314) of the at least one material sheet (311).

LAMINATE BODY AND PACKAGING BAG USING THE SAME
20210016945 · 2021-01-21 · ·

A laminated body having at least two or more different layers, wherein the laminate body is characterized by satisfying the following requirements (1) to (5): (1) the laminate body has a heat-sealing layer as at least one of the outermost layers, wherein the heat-sealing layer includes a polyester based component containing ethylene terephthalate as a main constituent component, and a sealing strength of 8 N/15 mm to 30 N/15 mm; (2) at least one layer other than the heat-sealing layer is an inorganic thin film layer; (3) a water vapor permeation rate of 0.1 g/m.sup.2.Math.d to 6 g/m.sup.2.Math.d; (4) an oxygen permeation rate of 5 ml/m.sup.2.Math.d.Math.MPa to 30 ml/m.sup.2.Math.d.Math.MPa; and (5) a heat shrinkage rate of 5% to 5%.

CONTAINER

A container includes a containing portion that is a closed space that stores contents, and also includes a container main body including a body portion that surrounds the containing portion and also including a handle portion that protrudes from the body portion. The container main body includes a main-body forming sheet member in which a plurality of film layers are stacked. The main-body forming sheet member includes a non-attached region in which the plurality of film layers are partially not attached to each other, and also includes a filling portion in which a filler is contained between layers of the plurality of film layers of the non-attached region. The filling portion includes a first filling portion formed in the body portion and a second filling portion formed in the handle portion. The first filling portion and the second filling portion communicate to each other.

Easy Open Plastic Bags
20200377262 · 2020-12-03 · ·

A woven laminated plastic bag having an easy open feature is provided. The easy open feature is generally defined by a weakened portion in the bag. In various aspects the bag can be fabricated from a woven polyethylene layer which can be laminated with a polyethylene film layer, can form a pinch bottom bag, and can have one or both sides include graphics and/or printing. The bag can also provide a top end and/or a bottom end either or both of which provide a discrete area which may contain discrete graphics and/or printing.

Full recycling environmental protection packaging structure and manufacturing method thereof

A full recycling environmental protection packaging structure and a manufacturing method thereof applied to express deliveries, postal services and logistics and made of a planar structure of paper. The packaging structure includes a first surface and a protecting layer overlapped on the first surface. The protecting layer includes at least one layer of liner which is a three-dimensional network structure formed by paper material being stretched after being die-cut. The planar structure is sealed edges thereof and an opening is reserved to form a bag body. The packaging structure of the present disclosure can overcome problems that kraft paper bubble bags or envelopes, and paper and plastics can't be separated and recycled to pollute environment in the prior art. At the same time, it can solve technical problems of dust pollution and poor air quality caused by using powdery and granular soft structures used as buffers.

Woven Plastic Bags With Angled and/or Radial Cuts
20200346834 · 2020-11-05 ·

A woven plastic bag having features that further prevent leakage of contents out of the bag, or infestation of organisms into the contents of the bag is provided. In various aspects the bag can be fabricated from a woven polymer layer and a film layer, can form a pinch bottom bag, and can have one or both sides include graphics and/or printing. The bag can also provide a top end and/or a bottom end either or both of which provide a discrete area which may contain discrete graphics and/or printing. The bag can have an end with a step cut configuration, wherein the step cut configuration includes one or more angled and/or radial cuts between separations.

Powdered Pouch And Method Of Making Same
20200331678 · 2020-10-22 ·

Disclosed herein are water-soluble films and resulting packets including a water-soluble film coated by a powder, wherein the powder includes a mixture of a powdered lubricant and an active agent. Optionally, the active agent may be encapsulated, e.g. microencapsulated, for release of the active agent through mechanisms including, but not limited to, mechanical rupture, melt, ablation, dissolution, diffusion, biodegradation, or pH-controlled release. Active ingredients described include enzymes, oils, flavors, colorants, odor absorbers, fragrances, pesticides, fertilizers, activators, acid catalysts, metal catalysts, ion scavengers, bleaches, bleach components, fabric softeners and combinations thereof. Examples of packet fills include laundry detergents, bleach and laundry additives, fabric care, dishwashing, hard surface cleaning, beauty care, skin care, other personal care, and foodstuffs.

PACKAGING MATERIAL AND METHOD OF USING THE SAME
20200324523 · 2020-10-15 · ·

The packaging material is formed of a laminated film having a base material containing cellulose acylate and a resin layer. The resin layer is formed on one surface of the base material and contains any one of a mixture of an acrylic resin and a cellulose derivative, a silicone elastomer, or a urethane elastomer. The packaging material is formed of the laminated film having a moisture permeability at 40 C. and a relative humidity of 90% in a range of 60 g/m.sup.2.Math.day or more and 700 g/m.sup.2.Math.day or less.

Packaging bag

Provided is a packaging bag (1) in which a broken piece can be separated easily at the time of unsealing. In a packaging bag (1) in which unsealing is conducted from a sealed part (2) on an unsealing start side to a sealed part (4) on an unsealing terminal side via an accommodation part (3), an easily-openable part (10) is provided at the sealed part (2) on the unsealing start side, and an inner edge of the sealed part (4) on the unsealing terminal side is an inner edge inclined part (5u) that crosses an unsealing virtual straight line (12) linearly drawn in an unsealing direction from the easily-openable part (10) to the sealed part (4) on the unsealing terminal side via the accommodation part (3), and is inclined relative to the unsealing virtual straight line (12).