Method of and apparatus for tightening high-strength steel bolts

Details Method of and apparatus for tightening high-strength steel bolts Method of and apparatus for tightening high-strength steel bolts

1975-06-04

1976-06-29

Jones, Jr., James L.

Metal working

Method of mechanical manufacture

Assembling or joining

81 5738, B23P 1102

Patent

active

039655652

ABSTRACT:
In the steel construction using high-strength steel bolts which are tightened in a pretensioned state, a method of and an apparatus for tightening high-strength steel bolts by subjecting the mated nuts to the compressive force which equals substantially the force which places the high-strength steel bolts in the pretensioned state.

REFERENCES:
patent: 2755657 (1956-07-01), Finsterwalder
patent: 2866370 (1958-12-01), Biach

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