Stock material or miscellaneous articles – Sheet including cover or casing – Foamed or expanded material encased
Patent
1992-05-06
1993-01-19
Van Balen, William J.
Stock material or miscellaneous articles
Sheet including cover or casing
Foamed or expanded material encased
264 465, 428159, 428160, 428174, 4283044, 4283099, 4283166, B32B 302
Patent
active
051806177
ABSTRACT:
A porous sheet material is inserted into a back side of a foam base material at a convex section and forces a mat-shaped fiber reinforcing material set in a mold toward a facing material during molding. Alternatively, an impregnated sheet material is inserted between the facing material and the fiber reinforcing material at the convex section so that a molding material for the foam base material is impregnated into the impregnated sheet material during molding. Further, a concave section is molded on the back side of the foam base material at the convex portion by a mold projecting section of the mold. That is, the fiber reinforcing material set in the mold is forced toward the facing material by the mold projecting section during molding.
REFERENCES:
patent: 4214788 (1980-07-01), Srock
patent: 4347276 (1982-08-01), Weber et al.
patent: 4455338 (1984-06-01), Henne
patent: 4572856 (1986-02-01), Gembinski
patent: 4753836 (1988-06-01), Mizell
patent: 4791019 (1988-12-01), Ohta et al.
patent: 5053271 (1991-10-01), Mori et al.
Fujii Mutsuo
Soejima Hideo
Takeuchi Yasuo
Nishikawa Kaisei Co., Ltd.
Van Balen William J.
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