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. 25, 2021
Filed:
Jan. 30, 2018
Torsion Tool Company As, Stavanger, NO;
Olav Olsen, Stavanger, NO;
Torsion Tool Company AS, Stavanger, NO;
Abstract
A coupling assembly for elongate elements () comprises a pin member () and a box member (), said pin and box members having complementary and respective frusto-conical pin and box mating surfaces (). A bore (') has as a first opening a port () configured for connection to an injection fluid reservoir () and a second opening () penetrating the pin mating surface () or the box mating surface (). The surfaces () may be plain surfaces without helical threads or other pronounced protrusions configured for mating engagement, but comprise a textured finish in order to augment static friction between the surfaces () when the surfaces are connected. The pin surface may comprise a plurality of pin protruding portions () separated by pin recessed portions (), and the box surface () comprise a plurality of box protruding portions () separated by box recessed portions (). The pin protruding portions () are shaped and dimensioned to fit into a designated box recessed portion (), and the box protruding portions () are shaped and dimensioned to fit into a designated pin recessed portion ().