Heated-chamber die-casting apparatus

Details Heated-chamber die-casting apparatus Heated-chamber die-casting apparatus

1997-03-19

1999-03-23

Ryan, Patrick

Metal founding

Means to shape metallic material

Including means to assemble mold parts

164312, 222593, B22D 1726, B22D 3506

Patent

active

058846875

ABSTRACT:
A die-casting apparatus has a pair of mold parts together defining a mold cavity and a feed sleeve set in one of the parts and defining a passage having a short inner portion opening into and flared toward the cavity, a long outer portion of uniform cross-sectional shape and having an outer end, and a restriction between the portions. Molten metal is fed to the outer end and through the passage to the cavity. A heater surrounds the sleeve at the outer portion for heating the sleeve substantially only at the outer portion and insulation surrounds the heater. The sleeve and any metal therein are cooled at a location in the sleeve downstream of the passage outer portion, normally at the restriction.

REFERENCES:
patent: 5350159 (1994-09-01), Parker
patent: 5448678 (1995-09-01), Booton

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