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. 27, 2016
Filed:
Apr. 03, 2014
Applicant:
Sumitomo Rubber Industries, Ltd., Kobe-shi, Hyogo, JP;
Inventors:
Assignee:
SUMITOMO RUBBER INDUSTRIES, LTD., Kobe-Shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M 5/315 (2006.01); B29C 33/42 (2006.01); B29C 43/18 (2006.01); B29C 33/38 (2006.01); B29C 70/68 (2006.01); B29L 31/00 (2006.01);
U.S. Cl.
CPC ...
A61M 5/31513 (2013.01); B29C 33/3842 (2013.01); B29C 33/42 (2013.01); B29C 43/184 (2013.01); B29C 70/68 (2013.01); A61M 5/31511 (2013.01); A61M 2207/10 (2013.01); B29L 2031/7544 (2013.01);
Abstract
A pre-filled syringe with excellent air-tightness and liquid-tightness and a mold for forming the gasket are provided. At least a surface of the mold for a gasket laminated with an inactive film for a pre-filled syringe forms a seal sliding surface of an annular protrusion of the gasket is mirror finished to have an arithmetic mean roughness Ra of less than 0.03 μm.