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:
Apr. 24, 1984
Filed:
Jun. 03, 1982
Rene Fournie, Pau, FR;
Francois Besnard, Lescar, FR;
Societe Nationale ELF Aquitaine (Prod.), Courbevoie, FR;
Abstract
A collar forming machine for the repair of submerged pipelines is provided comprising a forming module having the central shaft (10) passing through the body (12) of a main jack, a piston (18) sliding on the shaft and carrying at its end a forming punch (13), the shaft carrying in its part intended to penetrate inside the tube to be repaired internal locking means (14) to be forcefully applied to the inner face of the wall of the tube and capable of transferring the forming force to the tube itself, further comprising external locking means (17) applied to the external face of the wall of the tube to prevent deformation thereof.