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:
Apr. 09, 2024
Filed:
Dec. 09, 2020
Applicant:
Sumitomo Rubber Industries, Ltd., Hyogo, JP;
Inventor:
Hiroaki Nakano, Kobe, JP;
Assignee:
Sumitomo Rubber Industries, Ltd., Hyogo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 35/02 (2006.01); A61M 5/31 (2006.01); A61M 5/315 (2006.01); B29C 59/00 (2006.01); B29K 23/00 (2006.01);
U.S. Cl.
CPC ...
A61M 5/31515 (2013.01); A61M 5/3134 (2013.01); A61M 5/31513 (2013.01); A61M 5/31576 (2013.01); B29C 35/02 (2013.01); B29C 59/007 (2013.01); A61M 2207/00 (2013.01); B29C 2791/009 (2013.01); B29K 2023/22 (2013.01);
Abstract
A gasket includes a main body made of an elastic material, and a film laminated on the surface of the main body. The gasket has a film circumferential surface portion to be brought into contact with an inner peripheral surface of a syringe barrel, and an annular groove formed circumferentially of the film circumferential surface portion. The gasket further includes an annular member which is fixed in the annular groove and includes an annular projection projecting from the surface of the film.