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:
Jul. 24, 2012
Filed:
Mar. 22, 2007
Masashi Noda, Kounan, JP;
Kazutaka Katayama, Kasugai, JP;
Hiroyoshi Mori, Iwakura, JP;
Yoshiki Kodaka, Kasugai, JP;
Masashi Noda, Kounan, JP;
Kazutaka Katayama, Kasugai, JP;
Hiroyoshi Mori, Iwakura, JP;
Yoshiki Kodaka, Kasugai, JP;
Tokai Rubber Industries, Ltd., Komaki-shi, JP;
Abstract
A heat resistant air hose which is excellent in oil-bleeding resistance and causes reduced vibration noise is provided. The heat resistant air hose has an inner layer formed of an inner layer material comprising silicone rubber as a major component thereof; and an outer layer provided on an outer periphery of the inner layer and formed of an outer layer material comprising acrylic rubber as a major component thereof, and the acrylic rubber contains not less than 50 wt % of ethyl acrylate and has a dissipation factor (tan δ) of not less than 0.09 at 150 ° C. and a storage elastic modulus (E') of not less than 7.0 MPa.