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. 18, 1992
Filed:
Mar. 26, 1990
Applicant:
Inventors:
Johannes Lubbering, Herzebrock, DE;
Peter Ihme, Dusseldorf, DE;
Jurgen Busse, Monchengladbach, DE;
Erwin Schmitz, Tonisvorst, DE;
Wolfgang Volker, Tonisvorst, DE;
Assignee:
Messer Griesheim, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24B / ;
U.S. Cl.
CPC ...
51266 ; 5117 / ; 51322 ;
Abstract
A polishing device has a working area into which cold gas is fed continuously in order to cool the partial work-piece surfaces where work is to be performed to a temperature at which no changes occur to the work-piece surface except for polishing.