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:
May. 28, 1985
Filed:
Oct. 28, 1983
Ernst Thielenhaus, Wuppertal, DE;
Ernst Thielenhaus KG, Wuppertal, DE;
Abstract
A workpiece having a generally cylindrical outer surface centered on an axis is machined by first closing a pair of journal halves having generally semicylindrical inner surfaces of slightly greater diameter than the outer workpiece surface around the workpiece. Then a fluid is pumped under superatmospheric pressure into the space between the journal inner surface and the workpiece outer surface so as to support the workpiece in the journal halves on the liquid generally out of contact with the inner surfaces thereof. The thus supported workpiece is rotated about its axis and a finishing tool is engaged radially against it. The average radial distance between the journal inner surface and workpiece outer surface when the journal halves are closed on the workpiece is equal to more than the sum of the radial deviations of these surfaces from a perfect cylinder. The workpiece is rotated by axially engaging it between a pair of rotatable elements and rotating at least one of the elements.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile