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. 10, 1984
Filed:
Aug. 16, 1982
Applicant:
Inventors:
Yoshiharu Matukura, Ikoma, JP;
Denpei Sudo, Sumida, JP;
Assignees:
Takeda Chemical Industries, Ltd., Osaka, JP;
Daikyo Gomu Seiko, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D / ;
U.S. Cl.
CPC ...
215247 ;
Abstract
A pierceable closure member for use on a vacuum-filled vial, including a rubber plug having an annular leg and an annular protrusion, and a lamina having an annular recess and secured to the rubber plug with the annular recess receiving therein the annular leg. For the purpose of retaining the vacuum inside the vial, the annular protrusion on the rubber plug has a specific dimensional relationship to the other parameter of the closure member.