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:
Jun. 18, 1985
Filed:
Jul. 19, 1983
Applicant:
Inventor:
Bobby J Reneau, Houston, TX (US);
Assignee:
Gripper, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
254 / ; 81 5738 ; 29452 ;
Abstract
The apparatus for tensioning a stud and a method of doing same, with the apparatus including a body adapted to be removably mounted with the stud, the body including a first body member and a second body member movable with respect thereto, with the second body member having a gripper assembly therewith for gripping the stud as desired, and high and low pressure force means with the body for moving the second body member with respect to the first body member from a contracted position wherein the gripper assembly engages the stud and in an expanded position wherein the gripper assembly tensions the stud.