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:
Oct. 05, 1999
Filed:
Jan. 16, 1998
Applicant:
Inventor:
Lutz Gottschald, Meerbusch, DE;
Assignee:
Wernicke & Co. GmbH, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24B / ;
U.S. Cl.
CPC ...
451 43 ; 451 53 ; 451 56 ;
Abstract
To increase the service life of a grinding wheel which is intended for grinding the borders of spectacle lenses, wherein the wheel comprises a core wheel, preferably made of plastic, and a ring made of sintered metal with embedded diamond particles, a method comprising treating the grinding surface at least occasionally by a fluid jet under high pressure to clean the surface and keep it sharp. The cooling fluid used during grinding may be the fluid in the jet. It may be fed at lower pressure while higher pressure may be occasionally supplied.