The present invention is directed to packages having a thermoformed product receiving cavity for containing the product formed from a first flexible heat shrinkable film and a lidding film covering the thermoformed product receiving cavity formed from a second flexible non-heat shrinkable film. The present invention also includes an opening tab on each of the two flexible films which are aligned with each other such that each of the tabs has a sufficient surface area facing the other tab but not adhered to it to render each tab readily manually graspable. The opening tab of the first flexible heat shrinkable film includes a distal portion which is curled to improve its graspability.

A novel multilayer plastic film is provided comprising a series of component layers and optionally bonding layers to tie said component layers together, said component layers comprising: a central oxygen barrier layer, a first polymeric barrier layer on a first side of said central oxygen barrier layer, a second polymeric barrier layer on a second side of said central oxygen barrier layer, an outer layer adjacent the first polymeric barrier layer for providing mechanical strength, and a sealant layer adjacent the second polymeric barrier layer. At least one layer comprises two different polymers.

A laminated body obtained by laminating a sealant layer on one surface of a laminated film including an inorganic thin film layer on one surface of a substrate film and a protective layer on the inorganic thin film layer, wherein (a) the substrate film contains 10% by weight or less of a polyester resin recycled from PET bottles; (b) the protective layer of the laminated film contains a urethane resin, and surface free energy of a surface of the protective layer is 45 to 60 mN/m; (c) the laminated body has a lamination strength of 1.5 N/15 mm or more, and a lamination strength of 1.0 N/15 mm or less after being immersed in 1-methoxy-2-propanol at 40° C. for 72 hours; and (d) the laminated body has a lamination strength of 1.5 N/15 mm or more after a boiling sterilization treatment at 90° C. for 30 minutes.

Closure device includes a closure cap, which can be screwed onto the threaded connection of a container, forming a fillable capsule that is open at the bottom, on which a seal directed downward is sealed. Upper side of the part of the closure cap which forms the capsule is designed to be deformable and can be pressed axially downward. A press element is molded on this cover of the closure cap at the bottom. By pressing the cover downward, the downward-directed seal of the capsule is broken open by the press element. Seal is made from a laminate comprising a carrier material with a thickness of at least 0.5 mm. Subsequently, a barrier film is sprayed or laminated on the carrier material. The crimping forms a circumferential edge, by means of which the seal can be sealed to the capsule edge, on the inner side of the carrier material, with respect to the capsule, and resting on same. The carrier material has pre-notches in the form of cuts, which approximately cut through the carrier material yet leave the attached films intact.

A heat shrinkable stretched multilayer film for skin packaging comprising a crosslinked resin layer, a gas barrier resin layer, and a heat sealing resin layer sequentially arranged in this order from the outer side, and having dry thermal shrinkage rate of 10 to 55% in each of the machine direction (MD) and of the transverse direction (TD) at 120° C., and tensile elongation at break of 190% or greater in the machine direction at 120° C.

This invention relates to a method for forming a panel or skin for a hollow core door, a method of manufacturing a said door, a hollow core door, a panel, and an apparatus for forming a panel and skin for a hollow core door. The method comprises providing a substrate comprising a patterned groove therein; applying a laminating material on the substrate with an adhesive. The method then comprises sealing the substrate with the laminating material thereon in a chamber and providing at least one deformable membrane adjacent the laminating material; removing air from the chamber wherein under vacuum, the deformable membrane deforms into the groove thereby urging the laminating material into the groove; heating the laminating material to facilitate bonding thereof to the substrate; and allowing the substrate with the laminating material thereon to cool so as to form a panel with the laminating material bonded thereto.

A thermal/acoustic insulation product, such as for an aircraft, comprising a block of flexible, open-celled, cellular foam having a predefined shape and having a thermoformed amorphous film covering that completely envelops the foam block. A process for making the insulation product includes first cutting the block of foam to a predefined shape, such as a shape suitable for placement in an area of an aircraft in need of insulation. Then, a first sheet of film is heated to its melt point and conformed to a first surface area of the block, and a second sheet of film is heated to its melt point and conformed to a second surface area of the block, wherein the first film and the second film are joined to one another at one or more seams. The insulation product may then be installed in an aircraft.

In a pressure auto-adjusting package for a heated food and a composite membrane thereof, the composite membrane includes a first membrane coated with a partial release layer thereon in a predetermined width, a second membrane provided with a cutting line corresponding to the partial release layer, and a glue layer disposed between the first membrane and the second membrane to glue the first membrane and the second membrane together, the first membrane and the second membrane are pseudo-glued at the position of the partial release layer, the cutting line of the second membrane is disposed at a heat seal opening and extends to the accommodating space. The package has a pressure generated therein when being heated, the pressure enters into a pseudo-glued area between the second membrane and the first membrane from the cutting line to form a gap where the pressure is released to prevent explosion.

An aluminum battery packaging film includes a heat-sealing layer, wherein a material of the heat-sealing layer includes modified polyethylene terephthalate, polycarbonate, polyimide, or a combination thereof.

A multilayer film includes an inner layer system having a first surface and a second surface; a first skin layer bound to the inner layer system at the first surface of the inner layer system; and a second skin layer bound to the inner layer system at the second surface of the inner layer system. The inner layer system contains ≥50.0 wt % of a first ethylene-based polymer being a high-density polyethylene having a density of ≥940 and ≤970 kg/m.sup.3; and one or both of the first or the second skin layer(s) is a sealing layer including a second ethylene-based polymer being a linear low-density polyethylene comprising polymeric moieties derived from ethylene and from 1-hexene or 1-octene, having a density of ≥890 and ≤915 kg/m.sup.3. The multilayer film is a bi-directionally oriented film, wherein the orientation in both directions is introduced in the solid state.