Method to obtain sections and/or bars in the cold state, and sec

Details Method to obtain sections and/or bars in the cold state, and sec Method to obtain sections and/or bars in the cold state, and sec

1992-05-18

1994-02-08

Larson, Lowell A.

Metal deforming

By use of roller or roller-like tool-element

With cutting of work or product

723652, B21B 112, B21D 2826

Patent

active

052840425

ABSTRACT:
Method to obtain simultaneously in the cold state a plurality of sections and/or bars (14), starting with a hot-rolled single multiple-section element (10) which is then cooled (12), the sections and/or bars (14) being deemed to be small sections and/or bars (14) in relation to the typical dimensional category of the specific rolling mill (11), the single multiple-section element (10) comprising a plurality of sections and/or bars (14) which have a symmetrical, asymmetric or special cross-section, a web (23) possibly being included between one section and/or bar (14) and another, the hot-rolled single multiple-section element (10) being cooled (12) in line with the rolling mill (11) and then undergoing, without a break of continuity, an operation in the cold state of simultaneous lengthwise splitting (13) to separate the individual small sections and/or bars (14). The single multiple-section element and the resulting individual sections are also protected.

REFERENCES:
patent: 845764 (1907-03-01), Curtis
patent: 1977285 (1934-10-01), McCleery
patent: 4201075 (1980-05-01), Chumanov et al.
patent: 4872330 (1989-10-01), Nonini

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