Process for preparing a laminated, thermoformed film

Details Process for preparing a laminated, thermoformed film Process for preparing a laminated, thermoformed film

2007-05-22

2007-05-22

Crispino, Richard (Department: 1733)

Package making

Methods

Forming or partial forming a receptacle and subsequent filling

C156S244240, C156S244260, C156S244270, C053S456000, C053S467000

Reexamination Certificate

active

10470315

ABSTRACT:
A process for preparing a laminated, thermoformed film which comprises:a. blowing a film-forming composition to form a bubble;b. collapsing the bubble to form a film stack comprising a plurality of layers; andc. heating said film stack in a mould to thermoform said film stack and to adhere the layers together.

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