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:
Jun. 02, 1987
Filed:
May. 12, 1986
Tsutomu Itoh, Tokyo, JP;
Haruo Tateno, Kiyose, JP;
Hideo Nagasaka, Hitachi, JP;
Masahiro Yamamoto, Sakura, JP;
Yusuke Mitsuyoshi, Tokyo, JP;
Susumu Matsuno, Ichikawa, JP;
Hiroshi Saitoh, Funabashi, JP;
Masayuki Kitoh, Higashikurume, JP;
Other;
Onoda Cement Company, Ltd., Yamaguchi, JP;
Abstract
A multiple torch type plasma spray coating method and a multiple torch type plasma spray coating apparatus in which a main torch and an auxiliary torch are disposed so that their center axes may intersect each other, is improved in that laminar flow plasma is generated by the main torch, spray coating material is charged into the plasma flame in the proximity of the outlet of the main plasma torch, the plasma flame is blown onto an object to be treated, plasma is separated from the plasma flame just in front of the object to be treated, and the then left spray coating material is made to deposit onto the object to be treated.