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. 23, 1985
Filed:
Apr. 19, 1983
Applicant:
Inventor:
Georges Obrecht, Le Canton, FR;
Assignee:
Alsthom-Atlantique, Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
285 81 ; 285330 ; 285D / ;
Abstract
A device preventing the unscrewing of two bodies (2, 3), and in particular of two lengths of a turbodrill, joined end-to-end in threaded union, said device comprising a blocking part (4) which immobilizes the two bodies by means of teeth. The blocking part (4) is provided with two series of teeth, one of which series engages with the teeth of one body and the other with the teeth of the other body.