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:
Apr. 16, 1985
Filed:
Nov. 08, 1982
Applicant:
Inventors:
Takeshi Natori, Ibaragi, JP;
Yoji Kobayashi, Ibaragi, JP;
Shigetaka Watanabe, Ibaragi, JP;
Katsumi Shimizu, Ibaragi, JP;
Ikuei Matsumura, Ibaragi, JP;
Yoshihiro Namekawa, Ibaragi, JP;
Satoshi Miyanaga, Ibaragi, JP;
Assignee:
Hitachi Cable Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
138137 ; 138124 ; 138125 ; 138127 ;
Abstract
A plastic hose suitable for conveying refrigerant in a liquid or gas phase, liquefied gas such as LPG, volatile liquids, or gases such as CO.sub.2, O.sub.2 or N.sub.2 having an impermeable layer or a barrier. The amount of permeation of the gas in the hose to the outside and the amount of permeation of moisture into the hose are limited to extremely small values.