Chill vent

Details Chill vent Chill vent

1997-12-11

1999-06-22

Batten, Jr., J. Reed

Metal founding

Means to shape metallic material

Pressure shaping means

164410, 249135, 249141, 425812, B22D 1722

Patent

active

059133562

ABSTRACT:
A chill vent made of copper or copper alloy has a concave section and a convex section, each being subjected to removal of flat parting portions on both side surfaces, and a gas exhaust passage is formed over the entire width region. These gas exhaust passage portions have side surfaces and back surfaces which are enclosed in hard U-shaped guide frames. It is possible to effectively avoid occurrence of leakage or flashing of molten metal due to a plastic deformation of the chill vent by a mold fastening force applied upon assembly of a die-casting mold, which may occur when a copper or copper alloy having a superior cooling property as the material for chill vent.

REFERENCES:
patent: 4154285 (1979-05-01), Yamasaki
patent: 4577670 (1986-03-01), Moore

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