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:
Dec. 24, 2019
Filed:
Apr. 05, 2019
Sumitomo Riko Company Limited, Komaki-shi, Aichi, JP;
Yoshihiro Sakamoto, Komaki, JP;
Motoki Hirado, Komaki, JP;
Koji Mizutani, Komaki, JP;
Masashi Noda, Komaki, JP;
SUMITOMO RIKO COMPANY LIMITED, Komaki-shi, JP;
Abstract
Provided is a hose for transporting a refrigerant, including an innermost layer having a tubular shape and a rubber layer arranged on an outer periphery of the innermost layer, wherein the innermost layer is formed of a resin composition containing a polymer, which contains a polyamide resin (A) as a main component, and an aromatic secondary amine compound (B) having two secondary amino groups per molecule and having a melting point of 100° C. or more. Accordingly, the hose for transporting a refrigerant excellent in refrigerant permeation resistance, flexibility, and the like, and also excellent in performance of preventing the hydrolytic deterioration of the innermost layer of the hose can be provided.