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. 07, 1997
Filed:
Dec. 21, 1993
Applicant:
Inventors:
Assignee:
Toyoda Gosei Co., Ltd., , JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16J / ;
U.S. Cl.
CPC ...
277205 ; 277229 ; 427536 ;
Abstract
A sealing apparatus, which provides a seal between a metal surface and a member sliding along the metal surface is made of rubber material which contains a rubber polymer having alkyl lateral chains. At least a part of alkyl group hydrogen of rubber polymer in cortex is substituted from fluorine by plasma treatment. The plasma treatment reduces the noise which is normally present in device as of this type.
Senda, Masanobu. (1997). Sealing apparatus (U.S. Patent No. 5590887). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5590887
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile