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:
May. 08, 1979
Filed:
Jul. 29, 1976
Michel Pigeon, Bures sur Yvette, FR;
Claude Vienot, Fontenay-sous-Bois, FR;
Commissariat a l'Energie Atomique, Paris, FR;
Abstract
The eddy-current testing device operates by translational motion of a probe within the interior of tubes to be tested. The probe comprises in succession from front to rear in its direction of normal translational motion a front guiding member, a coil-carrying member and a rear guiding member connected together by an elastic means which tends to maintain these three members in aligned relation. At least the coil-carrying member has maximum transverse dimensions which are smaller than the internal diameter of the tube. An emitter-receiver coil of the probe is connected electrically to an external supply and scanning system by means of a cable which is secured mechanically to the rear guiding member.