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:
Mar. 12, 1991
Filed:
Mar. 13, 1989
Applicant:
Inventors:
Yuji Kokuryu, Aichi, JP;
Hiroshi Yamaguchi, Aichi, JP;
Assignee:
Toyoda Gosei Co., Ltd., Nishikasugai, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
138126 ; 138125 ; 138137 ; 138D / ;
Abstract
A reinforced hose including an inner pipe layer, an intermediate reinforcing layer and an outer pipe layer, each of the inner and outer pipe layers being made of synthetic rubber having a polarity at least at the surface thereof which contacts the intermediate reinforcing layer. The intermediate reinforcing layer is coated with nitrile rubber or a blended material of nitrile rubber and a high-molecular material.