Process for molding cushion articles

Details Process for molding cushion articles Process for molding cushion articles

1984-02-23

1985-09-24

Anderson, Philip

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

5481, 264 466, 264 468, 264101, 297452, 297DIG1, 425127, 425812, 425817R, B29D 2704, A47C 2714, A47C 3102

Patent

active

045428875

ABSTRACT:
A cushion article, such as a seat cushion or the like, for snapping in place onto an appropriate seat support without additional attaching means. The seat cushion has a foam body with a snap-ring member molded integral with a peripheral portion of the body, the snap-ring member providing means for snapping the seat cushion over the seat support. A process and a mold assembly are disclosed for molding the seat cushion, utilizing the snap-ring member as an integral part of the process and mold assembly to evacuate entrapped air from the mold cavity.

REFERENCES:
patent: 2955972 (1960-10-01), Wintermute et al.
patent: 3142073 (1964-07-01), Stern
patent: 3932252 (1976-01-01), Woods
patent: 4357723 (1982-11-01), Zelkowitz

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