Metal founding – Process – Shaping liquid metal against a forming surface
Reexamination Certificate
2007-11-06
2007-11-06
Lin, Kuang Y. (Department: 1725)
Metal founding
Process
Shaping liquid metal against a forming surface
C164S113000, C164S267000, C164S312000
Reexamination Certificate
active
11291900
ABSTRACT:
A movable die is fastened to a stationary die, a relationship between a contact force of an injection nozzle to an injection hole of the stationary die and a closeness is investigated, the injection nozzle is brought into press contact with the injection hole of the stationary die by a contact force achieving a predetermined closeness, and a lubricant is coated by a predetermined pressure. At this occasion, one end portion of a cavity is opened or air is exhausted from the end portion as necessary. The lubricant is coated as mist by being mixed with a compressed gas. Further, the lubricant is coated by maintaining constant a pressure difference between a pressure applied to the lubricant and an inner pressure of the cavity and a pressure difference between a pressure of the compressed gas and the inner pressure of the cavity.
REFERENCES:
patent: 6460596 (2002-10-01), Yamaguchi et al.
patent: 62-127150 (1987-06-01), None
patent: 7-323360 (1995-12-01), None
patent: 2001-113352 (2001-04-01), None
patent: 2002-263815 (2002-09-01), None
patent: 2004-167537 (2004-06-01), None
Okimoto Shinichi
Takeya Kengo
Lin Kuang Y.
Sughrue Mion Pllc.
The Japan Steel Works Ltd.
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