Method and apparatus for uphill casting with a mould with...

Details Method and apparatus for uphill casting with a mould with... Method and apparatus for uphill casting with a mould with...

2005-05-31

2005-05-31

Lin, Kuang Y. (Department: 1725)

Metal founding

Process

Shaping liquid metal against a forming surface

C164S306000

Reexamination Certificate

active

06899159

ABSTRACT:
A method for uphill/low pressure casting of a liquid melt in a device which has a casting furnace lying below a casting table, a mould with an underlying pouring-in opening and a slide valve closure forming a flow-through channel having a substantially straight longitudinal course during casting the liquid melt. The casting method constitutes casting the liquid melt in the pouring-in opening of the mould, shutting off the slide valve closure by displacing an overlying opening section and an underlying opening section of the flow-through channel directly after casting the liquid melt in the mould, which liquid melt is still in the pouring-in opening. The liquid melt is lowered below the mouth opening of the riser pipe and the mould is placed on the riser pipe so that a downward pressure is set between the slide valve closure and the mouth opening of the riser pipe which behaves elastically flexibly.

REFERENCES:
patent: 3529753 (1970-09-01), Mack
patent: 3627018 (1971-12-01), Costello
patent: 3905419 (1975-09-01), Tenner
patent: 3980125 (1976-09-01), Portalier
patent: 4257543 (1981-03-01), Muschner et al.
patent: 5524700 (1996-06-01), Gosch
patent: 1028736 (1966-05-01), None
patent: 206844 (1993-01-01), None
patent: 1-241352 (1989-01-01), None
patent: WO 02/04148 (2002-01-01), None

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