The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 27, 1997
Filed:
Mar. 14, 1994
Michihiko Nakamura, Aichi-ken, JP;
Masanao Ishikake, Aichi-ken, JP;
Yukio Kawakita, Aichi-ken, JP;
Akira Mabuchi, Aichi-ken, JP;
Osamu Yamanaka, Aichi-ken, JP;
Toyoda Gosei Co., Ltd., Nishikasugai, JP;
Abstract
A process and a polyurethane material for molding a semi-rigid integral skin foam which comprising an integral skin having a low degree of foaming and a core having a high degree of foaming. The process includes evacuating a mold cavity to reduce the pressure thereof below atmospheric pressure; injecting into the evacuated mold cavity a polyurethane material; and foaming the material to fill the cavity. The polyurethane material contains a polyol component and an isocyanate component with, at most, 5 parts by weight of a solvent for 100 parts by weight of the polyol component, in the absence of freon.