초록 ▼

A method of packaging a product by heat shrinking a low gauge, low shrink force, polyester shrink film to a rigid container. The lidding film engages around the outside of the container, thereby protecting the contents and providing evidence of tampering. The packaged product can be heated and will

A method of packaging a product by heat shrinking a low gauge, low shrink force, polyester shrink film to a rigid container. The lidding film engages around the outside of the container, thereby protecting the contents and providing evidence of tampering. The packaged product can be heated and will generally vent steam, while maintaining tamper resistance.

대표청구항 ▼

[ I claim:] [5.] A method of packaging a product, comprising:a) placing a product within an open rigid container, said container comprising a floor portion and side walls extending upward therefrom;b) placing a heat-shrink film over said container, whereby at least a portion of said film is in conta

[ I claim:] [5.] A method of packaging a product, comprising:a) placing a product within an open rigid container, said container comprising a floor portion and side walls extending upward therefrom;b) placing a heat-shrink film over said container, whereby at least a portion of said film is in contact with at least a portion of an exterior surface of said side walls, wherein:i) said film comprises at least 80 percent by weight of a polyethylene terephthalate homopolymer or copolymer,ii) said film has a thickness of 12-75 micrometers, andiii) said film is biaxially oriented in the range of about 5%-25% shrink factor;c) heating the sides of the film thereby causing the film to shrink and securely seal around the container without hermetically sealing said container, allowing air and moisture to vent out of said container.