C - Chemistry – Metallurgy – 21 – D
Patent
C - Chemistry, Metallurgy
21
D
C21D 1/613 (2006.01) B21B 45/02 (2006.01) C21D 1/667 (2006.01) C21D 1/84 (2006.01) C21D 9/46 (2006.01) C21D 9/573 (2006.01) F26B 13/00 (2006.01)
Patent
CA 2710590
The invention relates to a device for blowing a gas on a surface of a running strip material, that comprises at least one hollow casing (20) provided with a plurality of tubular nozzles (30) directed towards the relevant surface of the strip material (15). According to the invention, the hollow casing (20) includes, on the side directed towards the relevant surface of the strip material (5), a surface (22) having a profile (P) that varies in at least one given direction (D), symmetrically relative to a medium plane (Q) perpendicular to the plane of the strip (15), and the tubular nozzles (30) are attached at the base thereof to the variable-profile surface (22) so that the respective axis thereof is substantially orthogonal to said variable profile at the point in question, said tubular nozzles having a respective length that is selected so that their outlet openings are located in a common plane substantially parallel to the plane of the strip (15).
La présente invention concerne un dispositif de soufflage de gaz sur une face d'un matériau en bande en défilement, comportant au moins un caisson creux (20) équipé d'une pluralité de buses tubulaires (30) dirigées vers la face concernée du matériau en bande (15). Conformément à l'invention, le caisson creux (20) présente, du côté tourné vers la face concernée du matériau en bande (15), une surface (22) dont le profil (P) est variable dans au moins une direction donnée (D), symétriquement par rapport à un plan médian (Q) perpendiculaire au plan de la bande (15), et les buses tubulaires (30) sont fixées au niveau de leur pied à la surface (22) à profil variable de telle façon que leur axe respectif soit essentiellement orthogonal audit profil variable au point considéré, lesdites buses tubulaires ayant une longueur respective qui est choisie pour que leurs orifices de sortie soient dans un plan commun sensiblement parallèle au plan de la bande (15).
Dubois Patrick
Langevin Stephane
Cmi Thermline Services
Goudreau Gage Dubuc
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