Method of and device for elongating and relaxing a stud

Details Method of and device for elongating and relaxing a stud Method of and device for elongating and relaxing a stud

1995-10-18

1999-09-07

Hughes, S. Thomas

Metal working

Method of mechanical manufacture

Assembling or joining

29452, 81 5738, B23P 1900, B23P 1100

Patent

active

059467894

ABSTRACT:
In order to elongate and relax a stud, a first part which is movable only in an axial direction engages the stud, a second part is connected with the first part, a friction element is connected with at least one of the parts so that the first part has more surfaces cooperating with other elements than the second part, and then at least a holding force is applied to the friction element while an opposite active force is applied to an outer peripheral surface of the second part so that the second part is moved in the transverse direction and the first part is moved only in the axial direction to elongate the engaged stud.

REFERENCES:
patent: 5137408 (1992-08-01), Junkers
patent: 5253967 (1993-10-01), Orban et al.
patent: 5318397 (1994-06-01), Junkers
patent: 5341560 (1994-08-01), Junkers
patent: 5406867 (1995-04-01), Junkers et al.
patent: 5468106 (1995-11-01), Percival-Smith
patent: 5538379 (1996-07-01), Junkers
patent: 5539970 (1996-07-01), Junkers

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