Method for molding a composite foamed resin pull strap

Details Method for molding a composite foamed resin pull strap Method for molding a composite foamed resin pull strap

1980-11-28

1983-10-11

Anderson, Philip E.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

264 464, 264 467, 264156, 264162, 264273, B29D 2704

Patent

active

044091630

ABSTRACT:
A pull strap handle meeting all the standards of the automotive industry is formed economically with molding operations. The handle is formed with a strip 15 of strong resilient material with high tensile strength that serves as a support element. Support element 15 is enclosed within a molded cover having a firm outer side 17 and a soft inner side 18. Soft side 18 is molded of foamed resin material directly onto support element 15 to form a secure bond. Firm side 17 can be molded in a single operation with soft side 18 or can be molded separately, attached to support element 15, and located in a cavity mold that forms soft side 18. The cover can also be molded to support element 15 within a cavity mold that forms both cover sides 17 and 18 or the cover can be extruded onto support element 15 in a continuous operation.

REFERENCES:
patent: 3446880 (1969-05-01), Enicks
patent: 3493449 (1970-02-01), Krug
patent: 3594836 (1971-07-01), Robertson
patent: 3596381 (1971-08-01), Fukuoka
patent: 3658971 (1972-04-01), Schickedanz
patent: 3929948 (1975-12-01), Welch et al.
patent: 3952383 (1976-04-01), Moore et al.
patent: 3977054 (1976-08-01), Moore et al.
patent: 4130976 (1978-12-01), Kesseler et al.
patent: 4152798 (1979-05-01), Akaura et al.
patent: 4174988 (1979-11-01), Moore et al.

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