Method of making foam plastic article

Details Method of making foam plastic article Method of making foam plastic article

1982-06-25

1984-09-11

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

5481, 5498, 24306, 156 78, 156 79, 156242, 156245, 264 464, 428 99, 428100, A41H 3700

Patent

active

044708572

ABSTRACT:
The method of making a foam plastic cushion or structural part with a plurality of fastening assemblies thereon comprising the steps of applying a moisture proof barrier sheet of plastic to a strip of porous backing material; applying a coating of pressure sensitive adhesive to the barrier sheet; applying a strip of hook or loop material having a backing to the adhesive coating extending laterally outward of the strip of backing material, barrier sheet and adhesive coating extending laterally outward of the strip of hook or loop material; bonding the backing of the strip of hook or loop material to the barrier sheet upon the strip of backing material; successively mounting upon a mold surface of a pair of mold bodies defining a mold cavity a plurality of spaced bonded backing and hook or loop assemblies, with the hook or loop material facing the mold surface; adhering peripheral portions of the strip of backing material and adhesive coating to the mold surface for sealing the fastening assemblies thereon; and introducing molten plastic material into the mold bodies filling the cavity forming a molded foam plastic cushion or structural part, the plastic material of the part bonding to the strips of backing material and hook or loop assemblies. An article of manufacture produced by this method.

REFERENCES:
patent: 3308490 (1967-03-01), Cacioppo
patent: 4012544 (1977-03-01), Richards
patent: 4216257 (1980-08-01), Schams et al.
patent: 4271566 (1981-06-01), Pering
patent: 4420447 (1983-12-01), Nakashima

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