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:
Dec. 24, 2002
Filed:
Aug. 17, 1999
Applicant:
Inventor:
Bernhard Mittelhauser, D-30900 Wedernark, DE;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 3/302 ; B60J 9/00 ;
U.S. Cl.
CPC ...
B29C 3/302 ; B60J 9/00 ;
Abstract
A method of producing a tank lid of tough polymeric material, and a tank lid produced according to this method, are provided. The inner side of the tank lid is provided with one or more projections, especially a pivot arm. An inner lid layer is injection molded in a mold together with the projections. Subsequently, in a separate stage, an outer layer that is provided with an outer surface of the lid is injection molded onto the inner layer.