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:
Sep. 07, 2010
Filed:
Jun. 15, 2004
Christian Lorenz, Aalen-Unterrombach, DE;
Wolfram Hasert, Weinstadt, DE;
Johannes Meiwes, Markgroeningen, DE;
Wolf-ingo Ratzel, Leinfelden-Echterdingen, DE;
Jochen Kaesser, Berglen, DE;
Roland Schreiber, Waiblingen, DE;
Christian Lorenz, Aalen-Unterrombach, DE;
Wolfram Hasert, Weinstadt, DE;
Johannes Meiwes, Markgroeningen, DE;
Wolf-Ingo Ratzel, Leinfelden-Echterdingen, DE;
Jochen Kaesser, Berglen, DE;
Roland Schreiber, Waiblingen, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
A method for manufacturing a throttle valve unit having a housing part and a valve flap part that can move in relation to it includes the steps of injection molding the housing part of a first plastic material in a first cavity, transferring the molded housing part to a second cavity spatially decoupled from the first cavity, and injection molding the movable valve flap part out of a second plastic material in a second mold cavity inside the molded housing part. Before the molded housing part is transferred to the second cavity, it is subjected to an intermediate treatment in order to influence the shrinkage behavior, thereby selectively adjusting the gap geometries between the parts.