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. 08, 1998
Filed:
May. 05, 1992
Applicant:
Inventors:
Osamu Ozawa, Hiratsuka, JP;
Tetsu Kitami, Hadano, JP;
Assignee:
The Yokohama Rubber Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29D / ;
U.S. Cl.
CPC ...
428 3691 ; 428 368 ; 428 369 ; 428 362 ; 138124 ; 138125 ; 138126 ; 138127 ; 138137 ;
Abstract
A hose useful for handling low temperature fluids such as refrigerants is disclosed, which exhibits excellent resistance to ozone and moisture permeation. A cover or outermost tube of the hose is formed from a vulcanizate of a rubber composition comprising a first copolymer rubber having an isobutylene unit and a p-halogenated methylstyrene unit and/or a second copolymer rubber having an isobutylene unit, a p-halogenated methylstyrene unit and a p-methylstyrene unit.