Method of rolling angle structural shapes

Details Method of rolling angle structural shapes Method of rolling angle structural shapes

1979-07-02

1981-07-21

Mehr, Milton S.

Metal deforming

By use of roller or roller-like tool-element

Plural roller-couples

72366, B21B 108

Patent

active

042791391

ABSTRACT:
A method of rolling angle structural shapes in which a bar of rectangular ofile is rolled in a first step to form a blank having a rounded convex protuberance on one side and a flat opposite side. In at least one subsequent state, the blank is rolled to transform the protuberance or hump into a triangular protuberance or ridge with flanks lying substantially at a right angle, whereupon the blank is bent, after rounding the edges of the flat surface, to form the angle profile.

REFERENCES:
patent: 873463 (1907-12-01), Slick
patent: 3877275 (1975-04-01), Attwood
"Stahl und Eisen", vol. 72, 1952, No. 1, Jan., pp. 35-39.
"Stahl und Eisen", vol. 48, 1928, No. 4, Jan., pp. 98-101.

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