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:
Aug. 15, 2006
Filed:
Jun. 25, 2002
Applicant:
Gerhard Middelberg, Lengerich, DE;
Inventor:
Gerhard Middelberg, Lengerich, DE;
Assignee:
Windmoeller & Hoelscher KG, Lengerich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 47/92 (2006.01);
U.S. Cl.
CPC ...
Abstract
An extruder which converts preferably granular plastic material into the melted state and which includes an extruder screw rotating within a cylinder and connected to a drive unit having a motor and at least one rotor so that the drive unit provides torque for rotary motion of the extruder screw. The extruder screw and the rotor exhibit the same speed in operation.