Metal founding – Means to shape metallic material – Pressure shaping means
Reexamination Certificate
2005-03-01
2005-03-01
Lin, Kuang Y. (Department: 1725)
Metal founding
Means to shape metallic material
Pressure shaping means
C164S113000, C164S900000
Reexamination Certificate
active
06860316
ABSTRACT:
A material melting device of metal injection molding machine comprises a main feeding cylinder; a plurality of preheating feed cylinders parallel arranged at a lateral side of a main feeding cylinder of a metal injection molding machine; a plurality of material outlets formed at a side of each preheating feed cylinder. The material outlets are communicated to the main feeding cylinder through the guide tubes. Thereby, an inner side of the preheating feed cylinder is pre-heated so as to get preheated grains by adjusting the preheating screw rods in the preheating feed cylinder. Moreover, the preheating feed cylinders can be replaced by feeding funnels and the guide tubes are replaced by heating pipes.
REFERENCES:
patent: 5711363 (1998-01-01), Scruggs et al.
patent: 6059012 (2000-05-01), Vining et al.
patent: 6405784 (2002-06-01), Takizawa et al.
Hsn Chirn Shun
Wang Hou
Wu Chi Yin
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