Process for manufacturing a padded element

Details Process for manufacturing a padded element Process for manufacturing a padded element

1990-08-06

1992-02-18

Dawson, Robert A.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

264 466, 264 467, B29C 6722

Patent

active

050891910

ABSTRACT:
A process for manufacturing a padded element in a mold having an upper mold and a lower mold. The process includes providing in the lower mold a cushion member with a first portion having an open recess therein, with that recess having a lower portion. The cushion member is enveloped by a trim cover having a finished upper outer surface and an inner surface. The trim cover has at least one aperture therein, and the open recess and trim cover define a cavity. The upper mold and lower mold are closed so that the upper mold is in contact with the upper outer surface of the trim cover. A liquid foamable polymeric composition is dispensed in the cavity and onto the lower surface of the open recess via the aperture in the trim cover. The polymeric composition is allowed to expand to fill substantially the cavity, and the composition comes into contact with the inner surface of the trim cover such that the first portion corresponds proportionally to the finished surface of the padded element. The expanded polymeric composition adheres to the first portion of the cushion member and to the inner surface of the trim cover.

REFERENCES:
patent: 3264382 (1966-08-01), Angell et al.
patent: 3531552 (1970-09-01), Getz et al.
patent: 4268557 (1981-05-01), Bracesco
patent: 4593449 (1986-06-01), Meray-Hovarth et al.
patent: 4923653 (1980-05-01), Matsuura et al.

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