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. 09, 1987
Filed:
Sep. 24, 1984
Applicant:
Inventors:
Randol W Bradford, Waggaman, LA (US);
Alfred E Hiller, Metairie, LA (US);
Burnham F Winters, Jr, Thibodaux, LA (US);
Assignee:
Freeport Minerals Company, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
156 86 ; 1662441 ; 166902 ; 264230 ; 2643 / ; 285 45 ; 285 53 ; 285381 ; 285909 ;
Abstract
A process for placing heat-shrinkable polyfluoroolefin polymer sleeves, preferably, FEP resin or PFA resin, over Frasch sulfur well piping and other downhole well piping to protect such piping from corrosion. A heat chamber for heat-shrinking the polyfluoroolefin polymer sleeves onto the piping.