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. 26, 1998
Filed:
Apr. 08, 1996
Applicant:
Inventors:
William A James, Long Branch, NJ (US);
Stephen H Breitkopf, North Brunswick, NJ (US);
Robert H Kirchhoff, Amherst, MA (US);
Robert G Provell, Spotswood, NJ (US);
Assignee:
McNeil - PPC, Inc., Skillman, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
21912175 ; 2191216 ; 21912184 ;
Abstract
An improved laser processing head comprising a housing, a lens holder-nozzle mounted within the housing and a gas distributor for introducing gas adjacent a focusing lens retained within the housing to cool the lens and prevent the lens from becoming contaminated or damaged from material ablated from the workpiece. The gas distributor is comprised of a plurality of angled distribution slots that creates a vortex gas flow action directed away from the face of the lens and towards the nozzle outlet.