B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
B21D 51/22 (2006.01) A47J 27/00 (2006.01) B21D 39/03 (2006.01)
Patent
CA 2411014
A process for the manufacture of cooking vessels, in particular pots and/or pans and the like suitable for magnetic induction heating, is remarkably simple and comprises the steps of: providing a metallic semimanufactured vessel (A) of the cooking vessel, comprising a hollow (21) and a bottom portion (20); providing a plate member (1), in a metallic material of relatively high hardness, provided with a plurality of points (6a, 6b) projecting from a surface thereof (4) and forming an angle (.alpha.) equal to or larger than 90~ therewith; inducing, by compression of the plate member (1) at the bottom portion (20), the penetration of said points (6a, 6b) and the adhering of said surface (4) of said plate member (1) on said bottom portion (20).
L'invention concerne un procédé remarquablement simple de fabrication de récipients de cuisson, notamment de casseroles et/ou de poêles et similaire pouvant être exposés à la chaleur par induction magnétique. Ledit procédé consiste à : prévoir un récipient métallique semi-manufacturé (A) du récipient de cuisson, comportant une partie creuse (21) et une partie inférieure (20) ; prévoir un élément en plaque (1), en matériau métallique de dureté relativement élevée, doté de plusieurs points (6a, 6b) saillant d'une surface (4) de celui-ci et formant un angle (.alpha.) supérieur ou égal à 90· avec celle-ci ; induire, par la compression de l'élément en plaque (1) au niveau de la partie inférieure (20), la pénétration desdits points (6a, 6b) et l'adhérence de ladite surface (4) dudit élément en plaque (1) sur ladite partie inférieure (20).
Fetherstonhaugh & Co.
Societa Italiana Pentole S.p.a.
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