Implements or apparatus for applying pushing or pulling force – Pipe or rod jack – Tie rod tensioner
Patent
1996-05-24
1999-02-16
Watson, Robert C.
Implements or apparatus for applying pushing or pulling force
Pipe or rod jack
Tie rod tensioner
B25B 2900
Patent
active
058712054
ABSTRACT:
An adaptor for a bolt tensioner, including a sleeve having a threaded external surface for engaging a threaded surface on the bolt tensioner, and internal threads on an internal surface of the sleeve for engaging a threaded bolt. The external threads and the internal threads of the sleeve are of different size, such that the bolt tensioner can be adapted to tension bolts of different sizes.
REFERENCES:
patent: 4012826 (1977-03-01), Stansfield
patent: 4844418 (1989-07-01), Cole
patent: 5330159 (1994-07-01), Heiermann
Reflange, Inc., Reflange Hydraulic Bolt Tensioners Brochure, Houston, Texas (1994).
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