Plunger covers and plungers for use in syringes and methods of fabricating plunger covers and plungers for use in syringes

US8926569B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8926569-B2
Application numberUS-68600007-A
CountryUS
Kind codeB2
Filing dateMar 14, 2007
Priority dateMar 15, 2006
Publication dateJan 6, 2015
Grant dateJan 6, 2015

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A plunger cover for use with a syringe includes a sealing portion adapted to form a seal with the syringe and a central portion adapted to contact fluid within the syringe. The central portion can, for example, be more rigid than the sealing portion. The sealing portion and the central portion are connected in an overmolding process. The sealing portion can, for example, be formed from a thermoplastic elastomer or a thermoplastic polyurethane. The central portion can, for example, be formed from polypropylene, acrylonitrile butadiene styrene, polycarbonate or copolymers thereof.

First claim

Opening claim text (preview).

What is claimed is: 1. A plunger cover for use with a syringe comprising: a sealing portion adapted to form a seal with the syringe; and a central portion adapted to contact a fluid within the syringe, the central portion being more rigid than the sealing portion, the sealing portion and the central portion being connected in an overmolding process, wherein the sealing portion is injection molded first and the central portion is injection overmolded thereon, wherein the cent…

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What does patent US8926569B2 cover?
A plunger cover for use with a syringe includes a sealing portion adapted to form a seal with the syringe and a central portion adapted to contact fluid within the syringe. The central portion can, for example, be more rigid than the sealing portion. The sealing portion and the central portion are connected in an overmolding process. The sealing portion can, for example, be formed from a thermo…
Who is the assignee on this patent?
Bisegna Joseph E, Neff Jared, Bayer Medical Care Inc
What technology area does this patent fall under?
Primary CPC classification A61M5/31513. Mapped technology areas include Human Necessities.
When was this patent published?
Publication date Tue Jan 06 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).