Metal frame for metal coils to be heat-treated

Details Metal frame for metal coils to be heat-treated Metal frame for metal coils to be heat-treated

C - Chemistry, Metallurgy

21

D

C21D 9/673 (2006.01) B21C 47/28 (2006.01) C21D 9/00 (2006.01)

Patent

CA 2397088

A good heat treatment of metal coils (31, 32) is obtained by means of gaseous hot media, whereby said metal coils are successively wound with support frames (10) between them. According to the invention, a low-cost robust support frame (10) may be obtained, whereby an I-profile is used as frame profile (28), to construct a frame, which then forms the support frame (10). The I-profile web has rows of holes (24), to serve as a guide for the medium.

Lors de l'empilage de bobines de métal (31, 32) l'une sur l'autre, on place un châssis de support (10) entre les deux bobines qui, grâce à l'utilisation de substances gazeuses chaudes, favorise un bon traitement thermique des bobines (31, 32). Pour l'obtention d'un châssis de support (10) économique et robuste, il est proposé, selon l'invention, d'assembler des profilés en I, qui servent de profilés de cadre (28), pour constituer un cadre qui forme ensuite le châssis de support (10). Les âmes des profilés en I sont pourvues de rangées de trous (24) destinés au passage de la substance gazeuse.

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