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. 22, 2001
Filed:
Dec. 28, 1998
Applicant:
Inventors:
Martine Carre, Versailles, FR;
Eric Coffre, Trappes, FR;
Christian Trassy, Saint-Martin D'Heres, FR;
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 9/00 ;
U.S. Cl.
CPC ...
B23K 9/00 ;
Abstract
This plasma torch (,) for the excitation of a gas for the purpose of analyzing it comprises a tubular injector (,), intended to be connected to a source for supplying a gas to be analyzed, and an external cylindrical sleeve (,) coaxial with the injector (,) and defining a cylindrical annular channel (,) for supplying a plasma gas, intended to be connected to a corresponding supply source for the purpose of generating a plasma (P). The diameter of the injector (,) can vary.