Processes and device for dosing free-flowing media

Details Processes and device for dosing free-flowing media Processes and device for dosing free-flowing media

1989-02-08

1991-07-16

Kastler, S.

Dispensing

Processes of dispensing

Molten metal

222 61, 266239, B22D 3906

Patent

active

050318055

ABSTRACT:
A process and a device for discharging free-flowing media, especially molten metal that is contained in a hermetically sealable vessel having an outlet (2) that has a level-recording unit (3). Pressure is built up in the vessel by supplying a pressurized gaseous medium introduced into the interior of the vessel, whereby the liquid metal is forced from the vessel. After attainment of a certain level of the free-flowing medium in the outlet (2) as detected by the level-recording unit (3), the gaseous medium for building up the dosing pressure is further introduced into the vessel (1) for a predetermined or predeterminable amount of time. Control of pressure inside the vessel (1) is effected by a control unit (4) that receives corresponding signals from a time-recording device (15).

REFERENCES:
patent: 4220319 (1980-09-01), Rohmann
patent: 4638980 (1987-01-01), Beele
patent: 4793596 (1988-12-01), Kabota et al.

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