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. 21, 1998
Filed:
Jun. 11, 1996
Makoto Kakiuti, Takahagi, JP;
Arte Corporation, Tokyo, JP;
Abstract
The present invention relates to a prefill syringe in which the space provided at the joining area between a cap or protector and a needle holder can be covered by an inexpensive material and a simple method, without interrupting the flow of the production process. In this prefill syringe, a cap 15 or a protector is attached to a needle holder 11 provided to one end of cartridge 10, and a cylindrical member 20 formed of an elastic material is externally engaged to span the needle holder and cap or protector so as to cover the joining area A between the needle holder and the cap, or the joining area between the needle holder and the protector. Further, one or more ring-shaped projections which contact the outer peripheral surface of the needle holder and the outer peripheral surface of the cap are formed to the inner periphery of the cylindrical member.