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:
Oct. 30, 1990
Filed:
Mar. 31, 1989
Ty A Raney, Valley Center, KS (US);
Dale R Bervig, Wichita, KS (US);
Tweco Products, , US;
Abstract
A three-part front-end assembly for a plasma arc cutting torch utilizing a single inlet gas is disclosed. The front-end assembly includes (1) an electrode having an integral, hollow, elongated, interior cooling tube, (2) a tip element with integral swirl ring, and (3) a nozzle. The electrode having an integral, hollow, interior cooling tube stacks upon and nests in the tip element with integral swirl ring. Both of these elements then nest in the nozzle forming the stack configuration of this three part, front end assembly. The invention also includes as a separate element, an electrode having an integral, hollow, elongated, interior cooling tube. Another separate element of this invention is the tip element with integral swirl ring.