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:
Mar. 03, 2015
Filed:
Jun. 11, 2010
Toshikazu Harashima, Tama, JP;
Yoshiyuki Kanemoto, Samukawa, JP;
Koji Fukui, Machida, JP;
Susumu Sakamoto, Kawasaki, JP;
Toshikazu Harashima, Tama, JP;
Yoshiyuki Kanemoto, Samukawa, JP;
Koji Fukui, Machida, JP;
Susumu Sakamoto, Kawasaki, JP;
Hitachi Industrial Equipment Systems Co., Ltd., Tokyo, JP;
Abstract
To provide a higher sealing capability irrespective of the pressure difference between compression chambers, lips having leading ends extended toward the inner surface of a recessed groove are formed. At least some of the lips have a base end that is shaped to reduce rigidity against extension of the lips.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile