Method for producing laminated film

Details Method for producing laminated film Method for producing laminated film

1979-06-25

1981-08-18

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

15624413, 15624414, B29D 2304

Patent

active

042844584

ABSTRACT:
A laminated, tubular, thermoplastic film having high tensile strength, shrink energy, and tear resistance is produced by continuously extruding a layer of a first thermoplastic material onto a tubular substrate of a second thermoplastic material and then cooling, heating, and stretch-orienting the resulting laminate. By repeating the process, multiple-layer laminates may be produced.

REFERENCES:
patent: 2932323 (1960-04-01), Aries
patent: 3049762 (1962-08-01), Jackson
patent: 3187982 (1965-06-01), Underwood
patent: 3380868 (1968-04-01), Moser
patent: 3397101 (1968-08-01), Rausing
patent: 3508944 (1970-04-01), Henderson et al.
patent: 3586558 (1971-06-01), Galloway et al.

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