Abstract: The present invention provides an improved method for laminating a first three-dimensional apertured or non-apertured film material to a second flat or three-dimensional apertured or non-apertured film material utilizing the heat generated by the extrusion of the first and/or second materials and the films produced thereby.

Abstract: The invention is directed to a layered fabric material that is breathable and has resistance to fluid penetration. The fabric has a lightweight, breathable outer layer and a layer of non-woven material. The non-woven material is breathable and fluid resistant. The fabric also includes a thermoplastic film having a plurality of perforations. The perforations form capillaries that extend from a surface of said film. The capillaries are disposed at an angle from about 5.degree. to about 60.degree. with respect to the surface of said film. The capillaries formed by the perforations allow the film layer to be breathable while resisting direct flow of liquid through the film.

Abstract: A cylindrical screen for perforating a thermoplastic film or sheets. The screen is formed from a relatively thin sheet that is secured together to form a cylindrical shape. A plurality of apertures are positioned in the sheet and the apertures in the sheets forms a passageway through the screen. The passageways are disposed at an angle from about 5.degree. to about 60.degree. with respect to a plane that is disposed substantially perpendicular to the surface of the screen.

Abstract: The present invention provides a multi-layer heat sealable film which is produced by coextrusion and compression rolled orientation. The film comprises at least one barrier layer of a moisture and/or gas resistant thermoplastic material and at least one sealant layer of a heat sealable thermoplastic material.

Abstract: A film useful in tamper-evident pressure sensitive label applications comprises a blend of incompatible polymers wherein the film is melt extrusion cast and has a cohesive strength less than the adhesive strength of an adhesive material bonded to one surface of the film. The adhesive material has an adhesive strength greater than the cohesive strength of the film so that when the tamper-evident pressure sensitive label has been adhered to a substrate attempted tampering or removal of the label causes at least partial destruction of the film.

Abstract: A film useful in tamper-evident pressure sensitive label applications comprises a blend of incompatible polymers wherein the film is melt extrusion cast and has a cohesive strength less than the adhesive strength of an adhesive material bonded to one surface of the film. The adhesive material has an adhesive strength greater than the cohesive strength of the film so that when the tamper-evident pressure sensitive label has been adhered to a substrate attempted tampering or removal of the label causes at least partial destruction of the film.

Abstract: A child-resistant, elderly friendly dispensing container comprises a housing having an opening in its top wall and a drawer which slideably fits in the housing. The drawer has a front cavity section and a rear latch section. The latch section includes a horizontally disposed resilient panel formed with an upward button which, when the drawer is closed, extends up through the opening in the top wall of the housing and forms an automatic latch, holding the drawer closed. In order to open the drawer, the button must be depressed and, at the same time, the drawer must be pulled out from the housing. The top of the housing is formed, adjacent the opening for the button, with a relief zone into which the button moves when the drawer is in dispensing position and blocks further opening.

Abstract: The present invention relates to compostable and biodegradable thermoplastic compositions comprising a thermoplastic polymer, a hydrolytically unstable antioxidant, a pro-oxidant, an accelerator, and a property modifier. The hydrolytically unstable antioxidants effectively prevent the thermoplastic polymer from breakdown by oxidative or thermal degradation under dry conditions. Under wet conditions, the hydrolytically unstable antioxidant becomes ineffective and the thermoplastic polymers breakdown to low molecular weight materials.

Abstract: Liquid impervious, biodegradable films are disclosed. In particular, the films comprise a blend of an interpenetrated network of destructurized starch with ethylene/acrylic acid copolymers or ethylene/vinyl alcohol copolymers, and an aliphatic polyester such as polycaprolactone. Diapers, sanitary napkins, pantiliners, and the like, containing backsheets prepared from the foregoing materials are also disclosed.

Abstract: A deep embossed thermoplastic film is disclosed. The film includes a plurality of macro cells. The macro cells are interconnected by lands extending between adjacent macro cells. The film also includes at least one plurality of micro depressions, whereby a pleasing appearance and a proper feel are imparted.

Abstract: Liquid impervious, biodegradable films are disclosed. In particular, the films comprise a blend of an interpenetrated network of destucturized starch with ethylene/acrylic acid copolymers or ethylene/vinyl alcohol copolymers, and an aliphatic polyester such as polycaprolactone. Diapers, sanitary napkins, pantiliners, and the like, containing backsheets prepared from the foregoing materials are also disclosed.

Abstract: A multi-layer cover for use on a container is disclosed. The cover includes a first layer defining a plurality of openings. A second layer is removably attached to the first layer. Upon removal of the second layer, fluids or aromas from the container can pass through the openings in the first layer.

Abstract: Oriented or strength-enhanced embossed film is produced by introducing a thermoplastic film having an inert liquid lubricant covering its surfaces into the nip between at least one pair of rotating compression rolls under sufficient pressure to reduce the thickness of the film, and simultaneously embossing at least one of the film surfaces within the nip. While various inert liquids may be used as the lubricant, use of water for this purpose is preferred. The lubricant is believed to provide a hydrodynamic wedge at the film-compression roll interfaces, and for best results it is preferred to spray the lubricant (most preferably, water) into both incoming sides of the nip of the compression rolls.

Abstract: Covering a rigid or hard but pliable, smooth surface with a multilayer masking film having a smooth side and an embossed side is disclosed. The smooth side of the masking film is in direct contact with the smooth surface being covered. Adhesion of the smooth side of the masking film to the smooth surface to which it is applied is effected much like a vacuum adhesion as seen when a drop of water is placed between two sheets of glass. The embossed side of the masking film forms microscopic air pockets when rolled upon itself which prevents blocking. This feature allows the non-embossed side to be made as smooth as possible without the need for an anti-blocking agent.

Abstract: Oriented or strength-enhanced embossed film is produced by introducing a thermoplastic film having an inert liquid lubricant covering its surfaces into the nip between at least one pair of rotating compression rolls under sufficient pressure to reduce the thickness of the film, and simultaneously embossing at least one of the film surfaces within the nip. While various inert liquids may be used as the lubricant, use of water for this purpose is preferred. The lubricant is believed to provide a hydrodynamic wedge at the film-compression roll interfaces, and for best results it is preferred to spray the lubricant (most preferably, water) into both incoming sides of the nip of the compression rolls.

Abstract: A roll of greenhouse film consisting of slit tubular plastic film wherein the longitudinal edges of the plastic film are folded over about 180.degree. to an imaginary longitudinal line drawn substantially through the center of a surface of the film.

Abstract: A roll of greenhouse film which is a large sheet of flattened tubular plastic film wherein the longitudinal edges of the plastic film are folded back over a surface of the film about 180.degree. toward an imaginary longitudinal line drawn substantially through the center of a surface of the film. The so-folded sheet is then longitudinally rolled.

Abstract: Covering a rigid but pliable, smooth surface with a one-sided matte embossed polyethylene film, where the non-embossed smooth side of the film is in direct contact with the smooth surface being covered. Adhesion of the smooth side of the film to the smooth surface to which it is applied is effected much like a vacuum adhesion as seen when a drop of water is placed between two sheets of glass. The embossed side of the film forms microscopic air pockets when rolled upon itself which prevents blocking. This feature allows the non-embossed side to be made as smooth as possible without the need for an anti-blocking agent.

Abstract: A refastenable disposable diaper having a backsheet of low density polyethylene and polypropylene.