Method for tightening threaded connectors

Details Method for tightening threaded connectors Method for tightening threaded connectors

1989-06-29

1991-04-16

Gorski, Joseph M.

Metal working

Method of mechanical manufacture

With testing or indicating

7386225, B23Q 1720

Patent

active

050071530

ABSTRACT:
During tightening a threaded connector including for example a bolt and a nut a moment is first determined when a bolt starts to elongate, and thereafter the nut is turned only over such an angular distance with which a desired elongation of the bolt below its yield point is reached.

REFERENCES:
patent: 3851386 (1974-12-01), Ellzey, Jr.
patent: 3962910 (1976-06-01), Spyridakis et al.
patent: 3969810 (1976-07-01), Pagano
patent: 4016938 (1977-04-01), Rice
patent: 4558599 (1985-12-01), Sachs
patent: 4823616 (1989-04-01), Tambini

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