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:
Jun. 11, 2002
Filed:
Sep. 19, 2000
Applicant:
Inventors:
Assignee:
Rieter Ingolstadt Spinnereimaschinenbau AG, Ingolstadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01H 4/12 ;
U.S. Cl.
CPC ...
D01H 4/12 ;
Abstract
An open-end spinning apparatus has a spin rotor ( ) which, by means of its shaft ( ) is supported by support plates ( ), wherein as an abutment for the axially directed force on the spin rotor ( ), an aerostatic axial bearing ( ) is provided. The bearing surface ( ) of the spin rotor ( ) operates together with a bearing plate ( ) of the axial bearing ( ). The bearing surface ( ) or the bearing plate ( ) are comprised of a construction material of polyimide. Advantageously, the polyimide is combined with an additive, namely graphite, for instance.