Dispensing – Plural sources – compartment – containers and/or spaced jacket – With discharge assistant for each source
Patent
1990-02-23
1991-11-12
Huppert, Michael S.
Dispensing
Plural sources, compartment, containers and/or spaced jacket
With discharge assistant for each source
222327, 222389, 222392, B67D 552
Patent
active
050640984
ABSTRACT:
A dual component dispenser gun is provided for controlled dispensing of flowable dual component materials, such as adhesives, sealants and the like. The dispenser gun is designed for use with a dual component cartridge having dual barrles respectively filled with the two flowable components, in combination with a mixing nozzle through which the components can be mixed and dispensed. The cartridge is supported on top of a main pressure cylinder adapted for controlled connection to a pressurized fluid source, such as compressed air, for displacing a power piston in a first direction. The power piston is connected to a pair of flexible piston rods which extend through curved guide channels in a guide head and are connected in turn to a pair of piston plungers receivable into the cartridge barrels to dispense the dual components. A pressure responsive retractor assembly is carried by the power piston and responds to disconnection of the fluid source from the main cylinder to retract the power piston and associated piston plungers at least slightly and thereby eliminate drool of the flowable components from the mixing nozzle.
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Hill Raymond R.
Hutter, III Charles G.
Huppert Michael S.
Husen Gregory L.
Physical Systems, Inc.
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