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:
Sep. 10, 1991
Filed:
Dec. 21, 1989
Applicant:
Inventors:
Toshio Nakamura, Yokohama, JP;
Yoshimi Soeda, Yokohama, JP;
Shuichi Mitsuhori, Yokohama, JP;
Kazuo Toubo, Yokohama, JP;
Assignees:
Nippon Zeen Co., Ltd., Tokyo, JP;
Ebara Corporation, Tokyo, JP;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D / ; F01D / ;
U.S. Cl.
CPC ...
4151721 ; 415200 ;
Abstract
This invention is directed to a fluid pump containing a structural member, such as casing, which the fluid contacts as it enters the pump, and to a structural member having sufficient mechanical strength and flexibility for use in a fluid pump, such as a casing, which is made of a ring-opened polymer of a norbornene-type monomer containing an effective amount of an elastomer, the structural member has heat distortion temperature of over 120.degree. C., elongation at break of 15 to 80%, and flexural modulus of elasticity of 170 kg/mm.sup.2 or above.