Double-shot molded resin article

Details Double-shot molded resin article Double-shot molded resin article

1991-04-09

1992-10-06

Robinson, Ellis P.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428119, 428120, 428133, 428134, 428137, 428138, 428161, 428172, 264248, 2643288, 248188, 2481888, 248599, 248615, 248634, 248673, 248677, 248678, 5310, 108156, B32B 702, F16M 1300

Patent

active

051530520

ABSTRACT:
A double-shot molded resin article comprises a primary molding part and a secondary molding part. The secondary molding part is molded from a thermoplastic resin having a melting point higher than the melting point of the primary molding thermoplastic resin. The primary molding part has a plurality of raised portions formed upon its surface so as to be fusion bonded to the secondary molding part. These raised portions are fused by means of the secondary molten resin at the time of the secondary molding process, whereby the primary and secondary molding parts are fusion-bonded to each other.

REFERENCES:
patent: 2663910 (1953-12-01), Danielson et al.
patent: 4042199 (1977-08-01), Winkler
patent: 4115506 (1978-09-01), Shima
patent: 4198457 (1980-04-01), Saito et al.
patent: 4784817 (1988-11-01), Towns et al.
patent: 4846428 (1989-07-01), Johannes
patent: 4885121 (1989-12-01), Patel

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