Method of and installation for rolling in-process stock

Details Method of and installation for rolling in-process stock Method of and installation for rolling in-process stock

2008-07-15

2008-07-15

Tolan, Edward (Department: 3725)

Metal deforming

By use of roller or roller-like tool-element

Plural roller-couples

C072S146000, C072S206000, C072S365200

Reexamination Certificate

active

10576848

ABSTRACT:
The invention relates to a method of rolling a strip-shaped in-process stock, in particular a metal strip, with which, a metal strip (3) is unwound from a coil (2, 7) held on an unwinding reel (1, 6), is fed into a reversing rolling mill (8), is rolled, and is wound-up onto a winding-up reel (9) to form a coil (10), wherein the metal strip (3) is reversibly conveyed from the unwinding reel (1, 6) to the winding-up reel (9) until a set thickness is reached and, with each passing of the reversing rolling mill (8), is subjected to a reduction of thickness, and wherein an end of the metal strip (3) of a first coil is welded to a beginning of the metal strip (3) of the second coil, and the metal strip (3) of the first coil is temporarily stored in a strip store during a welding process, and finally, the in-process stock consisting of two lengths is reversibly rolled to a final dimension, and an additional length is welded to the end of the in-process stock before the last pass.The invention also relates to an installation for effecting the method and in which the unwinding reel (1, 6) is used as a strip store for the reverse pass.

REFERENCES:
patent: 2105736 (1938-01-01), Hudson
patent: 4123011 (1978-10-01), Kajiwara et al.
patent: 5495736 (1996-03-01), Nishi et al.
patent: 5706690 (1998-01-01), Connolly
patent: 6134934 (2000-10-01), Moser et al.
patent: 6216516 (2001-04-01), Klamma et al.
patent: 6237205 (2001-05-01), Yoshimura et al.
patent: 6604398 (2003-08-01), Hansen

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