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:
Sep. 24, 2002
Filed:
Sep. 14, 2001
Hans-Juergen Gittel, Rottenburg, DE;
Ewald Westfal, Balingen, DE;
Kurt Kalmbach, Alpirsbach, DE;
Wilhelm Kalmbach, Schopfloch, DE;
Roland Fischer, Dresden, DE;
Michael Oertel, Dresden, DE;
Other;
Abstract
The invention relative to a device for machining workpieces comprising: a chip removing, rotating tool ( ) configured substantially as a hollow body including at least one cutter ( ), a portion of the tool adjoining the cutter ( ) being penetrated by a chip receiving opening ( ) for communicating chips into a tool cavity; and an exhaust means including a stationary exhaust housing ( ) configured substantially as a hollow body communicating with the cavity ( ) at least in part and in connection with at least one exhaust air source; the communicating portion of the exhaust housing ( ) comprising in the region of the cutter ( ) a chip communicating window ( ) porting into an exhaust passage ( ) of the exhaust housing ( ); and the exhaust passage comprising in an exhaust passage section upstream of the chip communicating window ( ), relative to the exhaust direction, at least one auxiliary air infeed opening. The invention relates furthermore to a method for machining workpieces by means of one such device.