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:
Apr. 27, 1976
Filed:
Dec. 09, 1974
Applicant:
Inventor:
Bernhard Lingenhole, Biberbach, DT;
Assignee:
Kaltenbach & Voigt, Biberach an der Riss, DT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61C / ;
U.S. Cl.
CPC ...
32 27 ;
Abstract
A dental handpiece which includes a head and a holding sleeve associated therewith. The holding sleeve incorporates therein gaseous and liquid coolant lines each of which is in communication with a mixing line in turn in communication with one or more discharge nozzles for discharging an air-water coolant spray. Each of the gaseous and liquid coolant lines is provided with throttle means which serves to reduce the effective cross-sectional areas thereof.