Method for laminating a composite assembly

Details Method for laminating a composite assembly Method for laminating a composite assembly

1984-07-11

1986-05-20

Gallagher, John J.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

29622, 100 38, 100 42, 100176, 156182, 156276, 156301, 1563099, 156312, 156322, 156324, 1563244, 156555, B32B 3100

Patent

active

045899428

ABSTRACT:
A method for laminating a composite assembly having outer films of plastic to provide such a composite assembly without appreciable transverse curl. The method includes the steps of preparing two oppositely facing outer films which may be of bi-axially oriented plastic. Each film may have an outer layer of a tough abrasion resistant material and an inner layer of thermoplastic bonding resin. In one embodiment, a portion of the inner layer of thermoplastic bonding resin may be coated with a strip of electrically conductive material. The inner layers of thermoplastic bonding resins are heated and the films are brought together in a common plane. In one embodiment, a central core is inserted between the converging films at spaced intervals. The outer films and the central core are laminated by passing them between first and second pairs of pressure rolls. The first and second pairs of pressure rolls are tilted at equal and opposite angles to the plane of the films.

REFERENCES:
patent: 3901758 (1975-08-01), Humphries
patent: 4069081 (1978-01-01), Drower et al.

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