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. 26, 2008
Filed:
Dec. 13, 2004
Applicants:
Christian Sandner, Gmunden, AT;
Horst Rössler, Wels, AT;
Inventors:
Christian Sandner, Gmunden, AT;
Horst Rössler, Wels, AT;
Assignee:
Miba Sinter Austria GmbH, Laakirchen, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21H 1/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method is described for producing a gearwheel from a powder-metal blank which is pressed and sintered with an allowance in the toothing region, with the powder metal blank supported on a mandrel being densified in the region of the allowance by pressing on counter-toothing of a circular pusher tool engaging in the toothing of the powder metal blank under plastic deformation by the allowance. In order to ensure precise production it is proposed that during its densification the powder metal blank is radially clamped on both face sides over the circumference.