Metal founding – Means to shape metallic material – Including means to assemble mold parts
Reexamination Certificate
2004-06-02
2009-06-23
Kerns, Kevin P (Department: 1793)
Metal founding
Means to shape metallic material
Including means to assemble mold parts
C164S348000
Reexamination Certificate
active
07549459
ABSTRACT:
A crystallizer and method for casting using the crystallizer. The crystallizer mainly includes a plurality of-position-limiting parts (16) on the inner side of the mould seat (6, 7). The inner side of the position-limiting parts (16) is in correspondence with the external periphery of the mould wall (8-1, 9-1) of the film mould (8, 9). A medium channel (17) with a medium-supplying port (5) at its upper end is formed between the adjacent position-limiting parts (16).
REFERENCES:
patent: 3887157 (1975-06-01), Apatoczky
Beijing TaiHe Technology Co., Ltd
Huang Jiawei
Kerns Kevin P
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