Method for preventing leaking of molten metal in injection...

Details Method for preventing leaking of molten metal in injection... Method for preventing leaking of molten metal in injection...

2008-10-02

2009-12-08

Kastler, Scott (Department: 1793)

Dispensing

Processes of dispensing

Molten metal

C222S594000

Reexamination Certificate

active

07628300

ABSTRACT:
A method of preventing leaking of molten metal from a nozzle in an injection apparatus comprising, metering the molten metal by travel of a plunger head backward from a most forward position to a most backward position at the rear of a supply opening while maintaining nozzle contact after completion of an injection step and supplying molten metal from a furnace into a cylinder body through the supply opening, after completion of the metering, closing the supply opening by travel of the plunger head forward at a low speed from the backward position to a stand-by position ahead of the supply opening for cutting off the communication between the molten metal in the cylinder body and the molten metal in the furnace.

REFERENCES:
patent: 2001079653 (2001-03-01), None
patent: 2004122141 (2004-04-01), None
patent: 2004-322200 (2004-11-01), None
patent: 2004322200 (2004-11-01), None
patent: 2007038233 (2007-02-01), None

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