Method of and apparatus for making elements with profiled cross-

Metal deforming – By use of roller or roller-like tool-element – With cutting of work or product

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Details

72199, 72334, 72338, 83 33, 83367, B21B 1500, B21B 2702, B26F 140

Patent

active

043206476

ABSTRACT:
A method of making elements with profiled cross-section from sheet metal for use in a driving belt by a rolling process, for providing a strip with a middle groove in longitudinal direction and by rolling the material continuously symmetrically with respect to that groove to two profiles punching out the elements on both sides of the middle groove, with their longitudinal direction in the direction of movement of the strip, according to lines which are located at accurately predetermined distances on both sides of the groove.

REFERENCES:
patent: 419344 (1890-01-01), Nauman
patent: 2232071 (1941-02-01), Laystrom

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