METHOD AND DEVICE FOR UNPLUGGING A MOLTEN METAL DISCHARGE PORT

METHOD AND DEVICE FOR UNPLUGGING A MOLTEN METAL DISCHARGE PORT

Method and device for opening the outlet of a molten metal handling vessel, comprising a valve (6) having relatively moveable valve parts (7, 9 and 8, 11) and a frangible tube (13) tbrough which gas can be passed, the tube (13) extending tbrough the valve parts (7, 9 and 8, 11) into the outlet (5a)...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: BEALE, SIMON AUGUSTUS
Format: Patent
Sprache:eng ; fre
Schlagworte:
CASTING
CASTING OF METALS
CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
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Beschreibung
Zusammenfassung:Method and device for opening the outlet of a molten metal handling vessel, comprising a valve (6) having relatively moveable valve parts (7, 9 and 8, 11) and a frangible tube (13) tbrough which gas can be passed, the tube (13) extending tbrough the valve parts (7, 9 and 8, 11) into the outlet (5a) of the vessel, whereby opening the valve (6) by relative movement of the valve parts (9, 11) breaks the tube so that it does not obstruct opening, the end of the tube (13) having a cup-shaped seating portion (13a) to mate with a similarly-shaped recess in or adjacent the valve (6).