Method of continuously hot-rolling sheet bars

Details Method of continuously hot-rolling sheet bars Method of continuously hot-rolling sheet bars

1992-08-10

1993-06-08

Heinrich, Samuel M.

Metal fusion bonding

Process

With shaping

2281737, 228265, 228 57, B23K 2000, B23K 2004

Patent

active

052171558

ABSTRACT:
A method of continuously hot-rolling sheet bars in which a roughly rolled leading sheet bar and a trailing sheet bar are abutted prior to a hot finish rolling step. Plastic deformation of either or both of the cut rear and front end portions of the leading and trailing sheet bars is applied. End portions are brought into contact with each other due to metal flow, forming a gap portion between the sheet bars. The thickness of the sheet bar around the gap portion is enlarged in comparison to the thickness of the contact portions, and hot finish rolling fills the gap so that the bars are strongly joined over their width.

REFERENCES:
patent: 5056703 (1991-10-01), Sawada et al.
patent: 5074457 (1991-12-01), Matsuki et al.

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