Continuous laminating system

Details Continuous laminating system Continuous laminating system

1979-10-18

1981-05-19

Wityshyn, Michael G.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With separate heating means for work

100 93RP, 156537, 156555, 1565831, B30B 1534

Patent

active

042683459

ABSTRACT:
A continuous laminating system is disclosed wherein a pair of rotating laminating rollers are provided which form a laminating nip through which a product to be laminated together with sheets of laminating film are fed and pressed. A pair of rearwardly positioned pull rollers pull the laminating film through the laminating rollers together with the product. Adjacent each laminating roller a shoe-type heating member is provided which has a concave surface adjacent the respective laminating roller and a convex heating surface positioned so that the laminating film from each of the supply rollers slides over the heating surface and is heated prior to entry into the laminating nip. A Teflon-coated fiberglass layer is provided at least over portions of the convex heating surface over which the laminating film slides. Problems of scratching of the laminating film and squealing during processing are solved according to the invention.

REFERENCES:
patent: 3215065 (1965-11-01), Malarkey, Jr.
patent: 3309983 (1967-03-01), Dresser
patent: 3551259 (1970-12-01), Schwarzkopf
patent: 3823047 (1974-07-01), Colombo
patent: 3830681 (1974-08-01), Wilson
patent: 4064299 (1977-12-01), Martin
patent: 4090911 (1978-05-01), Shaffer
patent: 4172750 (1979-10-01), Giulie

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