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:
Jul. 24, 1990
Filed:
Oct. 31, 1988
Applicant:
Inventors:
John L Hughes, Melbourne, AU;
Paul Lastavec, Narooma, AU;
Assignee:
Austral Asian Lasers Pty. Ltd., Melbourne, AU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
21912167 ; 21912175 ; 21912182 ; 21912186 ;
Abstract
This invention relates to a high peak power laser sawmill where the material to be cut and sealed is positioned relative to one or more focussed laser beam propagation paths such that said focussed laser beams self-focus into said material forming a hairline cut. The invention has applications in cutting wood, rocks, ceramics, metals and organic materials and in sealing the cut surfaces during the cutting process.