Stud tensioning and tighetning apparatus

Details Stud tensioning and tighetning apparatus Stud tensioning and tighetning apparatus

1988-07-05

1989-07-11

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Pipe or rod jack

Tie rod tensioner

E21B 1900

Patent

active

048464449

ABSTRACT:
Tensioning and tightening apparatus for a conventional stud and nut wherein a piston and cylinder pair defining a pressure chamber are disposed beyond the end of the stud rather than in the form of an annulus around the stud and the tensioning force is transmitted by tension-bearing members extending through the piston and cylinder pair to a puller attached to the stud but not through the pressure chamber.

REFERENCES:
patent: 4569506 (1986-02-01), Vassalotti
patent: 4708036 (1987-11-01), Vossbrinck

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