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:
Jan. 04, 2000
Filed:
Jun. 29, 1998
Applicant:
Inventor:
Hiroaki Shibano, Kanagawa, JP;
Assignee:
The Yokohama Rubber Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L / ; B29D / ;
U.S. Cl.
CPC ...
138126 ; 428 368 ;
Abstract
Refrigerant transporting hose comprising an inner tube formed of a rubber composition based on an isobutylene.p-methylstyrene copolymer in which part or all of the p-methylstyrene units are brominated, and an outer tube around the inner tube with a reinforcing layer interposed, is improved not only in softness and resistance to the permeation of refrigerants but also in vibration and sound absorbing characteristics.