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:
Feb. 27, 2007
Filed:
Nov. 03, 2004
Applicant:
Walter Wohlrab, Weissenburg, DE;
Inventor:
Walter Wohlrab, Weissenburg, DE;
Assignee:
Krauss-Maffei Kunststofftechnik GmbH, Müchen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29B 7/46 (2006.01);
U.S. Cl.
CPC ...
Abstract
A drive apparatus for an extruder with at least two co-rotating extruder screws having driveshafts includes a housing and a drive motor which is received in the housing and including a stator and a rotor. The rotor is operatively connected to driveshafts of the extruder screws and has arranged thereon a toothed surface in direct engagement with complementary toothed surfaces of at least two of the driveshafts of the extruder screws.