Metal founding – Means to shape metallic material – Pressure shaping means
Reexamination Certificate
2006-09-12
2006-09-12
Kerns, Kevin (Department: 1725)
Metal founding
Means to shape metallic material
Pressure shaping means
C164S312000, C164S314000, C164S340000, C164S253000
Reexamination Certificate
active
07104308
ABSTRACT:
A vacuum casting die simpler in configuration and improved in seal performance in vacuum casting using a slide core, provided with a pair of main dies, a sealing member for seamlessly and continuously sealing mating faces around the closed space formed between the main dies, and a slide core housed in the sealed space formed between the main dies sealed by the sealing member.
REFERENCES:
patent: 2785448 (1957-03-01), Hodler
patent: 4240497 (1980-12-01), Glazunov et al.
patent: 6808008 (2004-10-01), Kubota
patent: 407047457 (1995-02-01), None
patent: 2000288713 (2000-10-01), None
patent: 2002-239705 (2002-08-01), None
Kerns Kevin
Lin I.-H.
Pillsbury Winthrop Shaw & Pittman LLP
Toshiba Kikai Kabushiki Kaisha
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