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. 29, 2007
Filed:
Jun. 24, 2003
Applicant:
Karl-heinz Fuchs, Radolfzell, DE;
Inventor:
Karl-Heinz Fuchs, Radolfzell, DE;
Assignee:
Ing. Erich Pfeiffer GmbH, Radolfzell, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 45/40 (2006.01); B29C 65/56 (2006.01);
U.S. Cl.
CPC ...
Abstract
An all plastic metering pump having a bellows-type spring with a tubular valve which is integrally formed on it in a single piece in a discharge region toward a metering head, the tubular valve being designed as a discharge valve of the metering pump. In the method, the pump components, which have been manufactured in each case in a plurality of injection cycles, are assembled from the injection mold in a defined assembly sequence in time with the injection cycles, the number of assembly steps corresponding to the number of injection cycles for producing the various pump components.