Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – Composite article making
Patent
1988-12-13
1990-05-08
Silbaugh, Jan H.
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
Composite article making
264 403, 264 464, B29C 6722
Patent
active
049236539
ABSTRACT:
A method of molding a skin-covered foamed plastic article, which includes by steps putting a bag-shaped outer skin member into a cavity of a lower mold, the skin member including an outer layer and a porous inner layer lined on the outer layer; putting a first upper mold on said lower mold to close the cavity; fastening the lower and first upper molds together with a first fastening force; pouring a foamable plastic material into the bag-shaped outer skin member in the cavity and curing the same; removing the first upper mold from the lower mold after the material is hardened to a certain degree; putting a second upper mold on the lower mold to define a given space therebetween; fastening the lower and second upper molds together with a second fastening force which is greater than the first fastening force; and pouring the foamable plastic material into the given space and curing the same.
REFERENCES:
patent: 3161436 (1964-12-01), Hood
patent: 3487134 (1969-12-01), Burr
patent: 3534129 (1970-10-01), Bartel
patent: 3929948 (1975-12-01), Welch et al.
patent: 4025372 (1977-05-01), Fenton
patent: 4060280 (1977-11-01), Van Loo
patent: 4116736 (1978-09-01), Sanson et al.
patent: 4190697 (1980-02-01), Ahrens
patent: 4208368 (1980-01-01), Egli
patent: 4377609 (1983-03-01), Bartoli et al.
patent: 4405681 (1983-09-01), McEvoy
patent: 4544126 (1985-10-01), Melchert
Ishimaru Kiichiro
Matsuura Ichiro
Mizuno Hisayoshi
Omata Youichi
Soutome Fumio
Ikeda Bussan Co. Ltd.
Kuhns Allan R.
Silbaugh Jan H.
LandOfFree
Method of molding skin-covered foamed plastic article does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method of molding skin-covered foamed plastic article, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of molding skin-covered foamed plastic article will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2347877