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. 29, 1981
Filed:
Nov. 13, 1978
Takashi Ohashi, Iruma, JP;
Toru Okuyama, Sagamihara, JP;
Akira Suzuki, Hidaka, JP;
Katsuhiko Arai, Higashimurayama, JP;
Minoru Kojima, Ohme, JP;
Yoshiko Taniguchi, Higashimurayama, JP;
Masako Yoshida, Kodaira, JP;
Ryozo Sakata, Higashiyamato, JP;
Hideki Sugihara, Miura-Gun, JP;
Masashi Dobashi, Yokohama, JP;
Hirobumi Ohwada, Kamakura, JP;
Bridgestone Tire Co., Ltd., Tokyo, JP;
Abstract
A laminate having excellent flameproofing and low-smoke development is disclosed. The laminate comprises an urethane modified polyisocyanurate foam as a core material and an aluminum foil or sheet as a surface material piled on at least one surface of the foam through a self-adhesion of the foam and passes Grade 2 incombustibility according to Japanese Industrial Standard (JIS) A-1321 combustion test.