초록 ▼

A laminated packaging film useful in producing such items as pouches and containers for liquids, comprises an outer layer of balanced biaxially oriented thermoplastic polymer, a middle layer of flexible metal foil, an inner layer of heat-sealable, rubber modified high density polyethylene, or ethyle

A laminated packaging film useful in producing such items as pouches and containers for liquids, comprises an outer layer of balanced biaxially oriented thermoplastic polymer, a middle layer of flexible metal foil, an inner layer of heat-sealable, rubber modified high density polyethylene, or ethylene copolymer and an adhesive layer between the middle and inner layers. The pouches and containers formed by this film are exceptionally strong, durable and flexible.

대표청구항 ▼

A composite, flexible packaging film consisting essentially of an outer layer of balanced biaxially oriented thermoplastic polymer; a middle layer of flexible metal foil affixed to one surface of said outer layer; an inner layer of a heat-sealable ethylene copolymer or rubber-modified high-density p

A composite, flexible packaging film consisting essentially of an outer layer of balanced biaxially oriented thermoplastic polymer; a middle layer of flexible metal foil affixed to one surface of said outer layer; an inner layer of a heat-sealable ethylene copolymer or rubber-modified high-density polyethylene affixed to a surface of said middle layer opposite said outer layer; and a first adhesive layer between said middle and inner layers. A composite, flexible packaging film according to claim 1, which is formed into two sheets; said sheets oriented one on top of another with their inner layers facing each other; said sheets heat sealed at their edges to form a flexible pouch.