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:
Oct. 21, 1980
Filed:
May. 24, 1978
Robert D Barnett, Magnolia, TX (US);
Charles D Morrill, Bellaire, TX (US);
Andre H Drouin, Houston, TX (US);
McEvoy Oilfield Equipment Company, Houston, TX (US);
Abstract
A tool for preloading a marine riser connection having a first member, a second member and a nut having a lug extending therefrom, the connection being made up by rotating the nut with respect to the first member so as to place the nut in tension, such tension operating to hold the first and second members together in compression, is disclosed. The tool includes a lug holder for holding the lug, a block for engaging a reference member attached to the first member, and a device for forcing the lug holder and block apart so that the nut is rotated with respect to the first member.