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:
Sep. 12, 1995
Filed:
Sep. 18, 1992
Akira Mabuchi, Inazawa, JP;
Osamu Yamanaka, Inazawa, JP;
Naoyuki Kumagai, Inazawa, JP;
Satoru Ono, Inazawa, JP;
Motoshi Matsuura, Inazawa, JP;
Toyoda Gosei Co., Ltd., Inagawa, JP;
Abstract
Disclosed herein is a process for producing an integral skin polyurethane foam which comprises expanding a reacting mixture containing substantially no blowing agent in an evacuated mold cavity. Disclosed also herein is an apparatus for producing said an integral skin polyurethane foam which comprises a mold having a cavity and a vent hole, a vacuum chamber communicating with the cavity through the vent hole, a vacuum pump to evacuate the cavity through the vacuum chamber, and a sight glass attached to the vacuum chamber so as to make the vicinity of the vent hole visible from the outside of the vacuum chamber.