Method of and apparatus for producing large metal plates

B - Operations – Transporting – 21 – B

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Details

B21B 37/28 (2006.01) B21D 1/05 (2006.01) B21D 25/00 (2006.01) B21B 1/22 (2006.01) B21B 41/00 (2006.01) B21B 45/00 (2006.01)

Patent

CA 2161037

Method and apparatus for producing large-area metal, especially steel, plates. The metal strip unwound from a coil is continuously treated by a heat treatment followed by stretch-bend leveling and then stretcher-leveling, the latter being discontinuously carried out by clamping the strip at two locations and urging those locations apart. Only subsequently is the strip cut to form the plates.

Méthode et appareil de production de plaques métalliques, particulièrement en acier, présentant de grandes surfaces. La bande métallique qui se déroule depuis une bobine, est soumise à un traitement thermique en continu suivi d'un planage du formage par allongement et d'un planage par étirage. Ce dernier est effectué en discontinu en serrant la bande à deux emplacements et en éloignant ces derniers l'un de l'autre. La bande est alors coupée pour former les plaques.

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