Method of making a resilient double C-shaped clip for securing a

Details Method of making a resilient double C-shaped clip for securing a Method of making a resilient double C-shaped clip for securing a

1975-01-27

1977-05-24

Duzan, James R.

Railways: surface track

Fastenings

Clamps

72384, 72702, E01B 900

Patent

active

040250440

ABSTRACT:
A method of making a resilient double C-shaped clip for securing a rail on a support, wherein in advance of the heat treatment the ends adapted to cooperate with the support and with the foot of the rail are bent towards one another in the direction of the fastening force to such an extend that they are offset with respect with one another over a certain distance in relation to their position when the ready clip is free of load and wherein after the heat treatment the clip is subjected to a series of permanent deformations, each effected by imposing a permanent deformation force on one end of the clip while the other end is held in fixed position, such that upon a continued deformation there would be no increase or only a very small increase of the load, and the clip being relieved of load after each deformation.

REFERENCES:
patent: 786277 (1905-04-01), Ewins
patent: 1023651 (1912-04-01), Humbert
patent: 3352136 (1967-11-01), Clarke
patent: 3459018 (1969-08-01), Miller
patent: 3589950 (1971-06-01), Justusson

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