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:
Mar. 11, 1997
Filed:
Oct. 20, 1994
Kunihiko Kaga, Amagasaki, JP;
Satoru Kotoh, Amagasaki, JP;
Shuji Ogawa, Nagoya, JP;
Masaru Kanaoka, Nagoya, JP;
Toru Murai, Nagoya, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
A machining head of a laser machining apparatus for adjusting flow speed distribution includes a sub assist gas supply inlet; an annular partition for partitioning the inside of the sub assist gas nozzle toward axis direction; an annular flat board which contacts rotatably to the side surface of the down stream of the annular partition wall, and interrupts a part of gas supply inlet, and a part of which is notched; two partition plates which are mounted on both end portions of the annular flat board, partition the inside of the sub assist gas nozzle down stream of the annular partition wall, and rotate with the annular flat board; a driving device for driving the annular flat board; and a control apparatus for operating the driving device.