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:
Jul. 30, 2019
Filed:
Jul. 03, 2017
Sumitomo Rubber Industries, Ltd., Kobe-shi, Hyogo, JP;
SUMITOMO RUBBER INDUSTRIES, LTD., Kobe-Shi, Hyogo, JP;
Abstract
A laminated gasket () to be used for a medical syringe is provided, which includes a main body () made of an elastic material, and a film () provided on a surface of the main body (). The gasket () has a circumferential surface portion () to be brought into contact with an inner peripheral surface () of a syringe barrel () of the syringe. The gasket () further includes a projection () provided on a surface portion of the film () present in the circumferential surface portion () as extending circumferentially of the gasket. The projection () has a height of not less than 15 μm and not greater than 55 μm and a width of not less than 30 μm and not greater than 75 μm. With this arrangement, the laminated gasket is excellent in sealability.