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:
Mar. 21, 2006
Filed:
Dec. 21, 2001
Applicant:
Johan Massee, Lunteren, NL;
Inventor:
Johan Massee, Lunteren, NL;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 22/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention pertains to a method and forming machine for deforming a hollow workpiece having at least one open end, wherein the workpiece is clamped down in a clamping device, at least one forming tool is placed into contact with the surface of the workpiece, the workpiece and this forming tool are rotated relative to each other about an axis, and the workpiece is deformed by means of the forming tool. During at least part of the deforming, the forming tool is being moved back and forth at a frequency that is substantially equal to or a multiple of the frequency of the rotation of the deformed part or the part to be deformed of the workpiece.