METHOD AND APPARATUS FOR DISPENSING A HOT-MELT ADHESIVE

An apparatus and method for dispensing controlled precise amounts of a hot-melt adhesive. A positive displacement dispenser which is mounted on a programmable motion system is connected to a hot-melt cartridge feed assembly by an inlet block. The dispenser, feed assembly, and inlet block contain ele...

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Bibliographische Detailangaben
Hauptverfasser:	RAINES KEVIN M, GONZALEZ HANK W, BLUMB GEORGE E
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL BOTTLES, JARS OR SIMILAR CONTAINERS DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISEPROVIDED FOR LIQUID HANDLING MEASURING MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL METERING BY VOLUME OPENING, CLOSING PERFORMING OPERATIONS PHYSICS SPRAYING OR ATOMISING IN GENERAL TESTING TRANSPORTING
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Beschreibung
Zusammenfassung:	An apparatus and method for dispensing controlled precise amounts of a hot-melt adhesive. A positive displacement dispenser which is mounted on a programmable motion system is connected to a hot-melt cartridge feed assembly by an inlet block. The dispenser, feed assembly, and inlet block contain electric heaters and thermocouples for maintaining the adhesive at a desired elevated temperature. A computer control system regulates the temperature in the dispenser, feed assembly, and inlet block and controls a dispensing motor in the dispenser. A preheater heats an adhesive cartridge prior to placement in the feed assembly.