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:
May. 21, 1991
Filed:
Oct. 16, 1989
Applicant:
Inventors:
Ichiro Igarashi, Komaki, JP;
Hiroaki Ito, Kasugai, JP;
Assignee:
Tokai Rubber Industries, Ltd., Aichi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
138125 ; 138137 ; 138D / ;
Abstract
A refrigerant transporting hose having an inner tube, an outer tube located radially outwardly of the inner tube, and a reinforcing fiber layer interposed between the inner and outer tubes, such that the reinforcing fiber layer and the inner and outer tubes constitute an integral tubular body, the inner tube including a resinous layer formed of a composition containing as a major constituent thereof a blend of at least one aliphatic polyamide and at least one aromatic polyamide.