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:
Dec. 02, 1986
Filed:
Mar. 20, 1984
Applicant:
Inventors:
Assignee:
Electricite de France, , FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
138 93 ; 138 94 ; 376203 ;
Abstract
An isolation and protection device is suitable for being inserted and deployed inside tubing, in order, in particular, to collect swarf and foreign bodies during work on tubing which must be kept under a controlled gas atmosphere, or to act as a flow plug or as a heat shield. The device comprises: