Method of manufacturing modified cross-section material

Details Method of manufacturing modified cross-section material Method of manufacturing modified cross-section material

1997-10-31

1999-04-06

Hail, III, Joseph J.

Metal deforming

By use of roller or roller-like tool-element

Plural roller-couples

722525, 723662, B21B 1308

Patent

active

058903895

ABSTRACT:
A modified cross-section material having a thin part and a thick part in its widthwise direction is manufactured through a plurality of roll stages. Each rolling stage comprises of a set of a convex roll and a flat roll, wherein the convex roll has a convex part. The thin part is formed in accordance with the lengthwise expansion by the convex part of the convex roll, and the thick part is formed in accordance with the lengthwise expansion by a part other than the convex part of the convex roll.

REFERENCES:
patent: 4279139 (1981-07-01), Schmitz
patent: 4578979 (1986-04-01), Abe et al.
patent: 4821550 (1989-04-01), DeBarea, Sr.
patent: 4969346 (1990-11-01), Bosl et al.
patent: 5761946 (1998-06-01), Misera et al.

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