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:
May. 11, 1999
Filed:
Nov. 26, 1996
Applicant:
Inventor:
David Namey, Jr, Pittsburgh, PA (US);
Assignee:
Liebel-Flarsheim Company, Cincinnati, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604218 ;
Abstract
A syringe plunger is formed by a two-shot molding process. A hard plastic core is formed in a first mold, and the distal portion of the hard plastic core is subsequently overmolded with soft rubber. The result is a fully automated manufacturing process increasing quality and lowering costs, and a unique plunger having a hard plastic core and soft rubber exterior which are molecularly and permanently bonded together.