Method for straightening a rail and straightened rail

Details Method for straightening a rail and straightened rail Method for straightening a rail and straightened rail

1982-06-25

1986-07-01

Larson, Lowell A.

Metal deforming

Process

With attenuation, thickening, elongating or shortening of...

72206, B21D 105, B21D 312

Patent

active

045972834

ABSTRACT:
The steel rail is submitted to a tensile stress exceeding the conventional 0.2% offset yield strength of the steel, up to a stress value corresponding to a total plastic deformation of the whole rail.

REFERENCES:
patent: 1966955 (1934-07-01), Crampton
patent: 2167485 (1939-07-01), Leisner et al.
patent: 2918961 (1959-12-01), Seeley
patent: 3031750 (1962-05-01), Von Planck
patent: 3193270 (1965-07-01), Dewez, Jr. et al.
patent: 3257832 (1966-06-01), Harvey
patent: 3826124 (1974-07-01), Baksay
patent: 4156360 (1979-05-01), Jacson et al.
patent: 4389015 (1983-06-01), Guntermann et al.

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