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:
Apr. 24, 2001
Filed:
Nov. 12, 1999
Applicant:
Inventors:
Jürg Faas, Andelfingen, CH;
Beat Näf, Jona, CH;
Olivier Wüst, Seuzach, CH;
Christian Sauter, Flurlingen, CH;
Theodor Gresser Götz, Winterthur, CH;
Assignee:
Maschinenfabrik Rieter AG, Winterthur, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D01G 1/500 ;
U.S. Cl.
CPC ...
D01G 1/500 ;
Abstract
The main drum diameter (D) of a card for short staple carding is reduced. The working width preferentially is enlarged. The main drum (,) can be made from fiber reinforced synthetic material. Notwithstanding its smaller diameter, the new main drum is operated at the same or a somewhat higher circumferential speed (in comparison to a conventional card).