SYSTEME DE SOUPAPE SERVANT A EVACUER L'AIR DE MOULES DE COULEE SOUS PRESSION

A die casting mold evacuation valve assembly features a two-part valve casing. Machined in the front casing part is an evacuation duct closable by an evacuation valve. Housed in the casing is an actuator for actuating a valve piston of the evacuation valve. The actuator includes a casting material a...

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Bibliographische Detailangaben
1. Verfasser:	BAUMGARTNER, KONRAD
Format:	Patent
Sprache:	fre
Schlagworte:	ACTUATING-FLOATS BLASTING CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS POWDER METALLURGY TAPS THERMAL INSULATION IN GENERAL TRANSPORTING VALVES WEAPONS
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Beschreibung
Zusammenfassung:	A die casting mold evacuation valve assembly features a two-part valve casing. Machined in the front casing part is an evacuation duct closable by an evacuation valve. Housed in the casing is an actuator for actuating a valve piston of the evacuation valve. The actuator includes a casting material actuated force transducer and a force transmission member for transmitting the closing movement of the force transducer to the valve piston of the evacuation valve. The actuator features in addition a stacked spring assembly for returning the actuator and/or force ejecting the riser. The front casing part is provided with a sleeve surrounding at least a head part of the valve piston and/or a further sleeve surrounding at least the head part of the force transducer. Both sleeves are harder than the front casing part.