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, 2004
Filed:
Jan. 12, 2001
Applicant:
Inventors:
Stefan Ritsche, Radolfzell, DE;
Lothar Graf, Gottmadingen, DE;
Assignee:
Ing. Erich Pfeiffer GmbH, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05B 9/043 ;
U.S. Cl.
CPC ...
B05B 9/043 ;
Abstract
A piston plunger ( ) is injection molded from two longitudinal sections ( ) in parallel axial position. The shorter component ( ) is then pivoted around a hinge joint ( ) into position having the same axis as the other component ( ) and tightly connected to the latter using locking means ( ). The shorter component ( ) then forms a nozzle core ( ) and the longer component ( ) forms a piercing tip ( ) for opening a piston membrane ( ).