Method of manufacturing a casting and apparatus therefor

B - Operations – Transporting – 22 – D

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Details

B22D 18/06 (2006.01) B22D 17/22 (2006.01) B22D 19/14 (2006.01)

Patent

CA 2242923

To provide an apparatus for manufacturing a casting, in which sealing can be formed between joint surfaces of a mold without using any packing material. An apparatus for manufacturing a casting comprising a mold split into at least two mold parts designed so as to define a cavity, an introduction port provided at one end of the mold for introducing molten metal into the cavity, and an exhaust port provided at the other end of the mold for exhausting air in the cavity; characterized by further comprising a groove which is provided around a portion defining the cavity in at least one of joint surfaces of the at least two mold parts so as to connect the introduction port to the exhaust port.

La présente invention concerne un appareil de fabrication d'article en fonte capable de fermer de façon hermétiques les faces de jonction des filières métalliques sans utiliser d'étoupe. L'appareil de fabrication d'article en fonte comprend au moins des filières métalliques (1, 2) à double fente construites de façon à définir une cavité (5), un orifice d'introduction (6) étant réalisé sur l'une des extrémités des filières métalliques pour l'introduction d'un métal en fusion dans la cavité, et un orifice d'évacuation (9) étant réalisé sur l'autre extrémité des filières métalliques pour l'évacuation de l'air retenu dans la cavité. Une partie définie de la cavité est entourée de rainures (11) se trouvant sur l'une au moins des différentes faces de jonction des filières métalliques à deux fentes considérées, afin de relier l'orifice d'introduction et l'orifice d'évacuation l'un avec l'autre.

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