Plunger ejecting readily setting material from nozzle

Metering valve for producing portions of flowable substances, partic. adhesives, hot-melt adhesives or paints, comprises a carrier body (10) into which metering tubes (11) and a metering device (12) are screwed. A metering piston (28) can be moved to close or open the tubes by different electromagne...

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Bibliographische Detailangaben
1. Verfasser:	FORSTER, KLAUS, 28359 BREMEN, DE
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SPRAYING OR ATOMISING IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	Metering valve for producing portions of flowable substances, partic. adhesives, hot-melt adhesives or paints, comprises a carrier body (10) into which metering tubes (11) and a metering device (12) are screwed. A metering piston (28) can be moved to close or open the tubes by different electromagnetic coils (36, 37) and its stroke is limited (29). During the pulsing drive of the piston, the stroke limiting device (29) is moved against the restoring action of a compression spring (44) by an electromagnetic coil (43).