Marine riser tool

Details Marine riser tool Marine riser tool

1978-05-24

1980-10-21

Jones, Jr., James L.

Tools

Wrench, screwdriver, or driver therefor

Machine

B25B 1346

Patent

active

042287049

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.

REFERENCES:
patent: 378299 (1888-02-01), Finch
patent: 455606 (1891-07-01), Byrne
patent: 977018 (1910-11-01), Kopietz
patent: 1836716 (1931-12-01), Huthsing
patent: 2836090 (1958-05-01), Ray
patent: 3378910 (1968-04-01), Are
patent: 3955447 (1976-05-01), Parker

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