Method for producing laminated sheets or films

Details Method for producing laminated sheets or films Method for producing laminated sheets or films

1985-01-24

1986-07-01

Simmons, David

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156324, 156334, 156555, 428517, 428523, 526352, B65C 925

Patent

active

045978182

ABSTRACT:
A novel method for producing laminated sheets or films consisting of a substrate layer or layers and a layer or layers of ultra-high molecular weight polyethylene. The method is characterized by the steps of: superposing at least one layer of ultra-high molecular weight polyethylene in powder or preformed sheet form and at least one layer of a substrate of another material upon one face of a tensioned endless belt travelling around a set of rolls, with an adhesive interposed between said layers if necessary; pressing or squeezing said ultra-high molecular weight polyethylene layer between said substrate layer and said endless belt, or between said substrate layers, against one or more heating rolls under the tension of said endless belt; heating at least said ultra-high molecular weight polyethylene layer to a temperature above its melting point; and thereby uniting said superposed ultra-high molecular weight polyethylene and substrate layers into a laminated sheet or film.

REFERENCES:
patent: 3767511 (1973-10-01), Slade

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