Method of fabricating composite products

Details Method of fabricating composite products Method of fabricating composite products

1985-02-28

1988-03-08

Anderson, Philip

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156187, 264 459, 264129, 264171, 2642091, 2642093, 264211, 264284, B65H 8100, B29C 4706, B29C 5900, B29C 6712

Patent

active

047298073

ABSTRACT:
The invention provides a method of forming composite products of two incompatible plastics or other materials by extruding a first stream of plastic through a die to form a profile and coextruding another stream on the surface thereof which is fusible with the first plastic and is impregnated with foreign matter and causing, by means of high heat, pressure drop or shear stress, a rupture of the layer to form a pattern of irregular cavities and projections to which a coating can be applied which will invade the cavities and surround the projections to bond with the extruded profile.

REFERENCES:
patent: 2932323 (1960-04-01), Aries
patent: 3331900 (1967-07-01), Thomas
patent: 3411981 (1968-11-01), Thomas
patent: 3494989 (1970-02-01), Le May
patent: 4104095 (1978-08-01), Shaw
patent: 4107247 (1978-08-01), Dukess
patent: 4221624 (1980-09-01), Eslinger et al.
Brydson, J. A. Flow Properties of Polymer Melts, London, Tliffe Books, .COPYRGT.1970, pp. 69-77.

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