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:
Jul. 13, 2010
Filed:
Nov. 10, 2005
Applicant:
Günter Oedl, Salzburg, AT;
Inventor:
Günter Oedl, Salzburg, AT;
Assignee:
Bruckner Maschinenbau GmbH, Siegsdorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B30B 3/04 (2006.01); B29C 43/46 (2006.01);
U.S. Cl.
CPC ...
Abstract
A device drives a preheating roll assembly comprising several rolls, during a heating or preheating stage. A motor assembly includes at least one individual drive and preferably two individual drives, which are used to drive at least the exit roll and preferably the entry roll and the exit roll. The motor assembly also includes one or more asynchronous motors, each asynchronous motor controlling the surface speed and the torque of one of the intermediate rolls. A common frequency converter operates one or more asynchronous motors, in particular all asynchronous motors.