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. 05, 1991
Filed:
Jun. 14, 1989
Applicant:
Inventors:
Tamotsu Okuda, Tokyo, JP;
Tomoyasu Muraki, Abiko, JP;
Assignee:
Daikyo Gomu Seiko Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604230 ; 604218 ;
Abstract
A laminated sliding stopper for a syringe, excellent in sliding or moving property and free from contamination of an injection liquid, is provided which consists of a rubber elastic body whose part to be contacted with the injection liquid and sliding part on the inner wall of the barrel are fully laminated with a film of tetrafluoroethylene.