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:
Sep. 22, 2015
Filed:
Jul. 03, 2013
Applicant:
Zeeco, Inc., Broken Arrow, OK (US);
Inventor:
Clayton A. Francis, Broken Arrow, OK (US);
Assignee:
ZEECO, INC., Broken Arrow, OK (US);
Primary Examiner:
Int. Cl.
CPC ...
B21C 51/00 (2006.01); F23N 5/10 (2006.01); B21D 3/05 (2006.01);
U.S. Cl.
CPC ...
B21C 51/00 (2013.01); B21D 3/05 (2013.01); F23N 5/10 (2013.01);
Abstract
A method and apparatus for installing a retractable thermocouple at the upper end of a flare stack for sensing a flare pilot burner flame. The apparatus comprises: a portable mounting structure; two pair of opposing drive wheels having non-metallic contacting surfaces; a first set of offset straightening rollers having non-metallic contacting surfaces for straightening the thermocouple in a first plane; and a second set of offset straightening rollers having non-metallic contacting surfaces for straightening the retractable thermocouple in a second plane different from the first plane.