Dispensing – With discharge assistant – With material supply container and discharge assistant with...
Patent
1988-10-11
1990-01-16
Shaver, Kevin P.
Dispensing
With discharge assistant
With material supply container and discharge assistant with...
222309, 222334, 417489, B67D 540
Patent
active
048937380
ABSTRACT:
Modular positive displacement apparatus for dispensing precise quantities of a fluid product including a dispensing unit and an actuator unit. A housing of the dispensing unit defines a reservoir, a chamber and closure valve. The reservoir is divided into a plurality of sub-reservoirs, which contains the product. The walls dividing the reservoir into a plurality of sub-reservoirs provide guide surfaces for self-alignment of a product piston in the reservoir. A deformable diaphragm isolates the reservoir from the mechanism which actuates the valve to prevent undesirable entry of the product. The dispensing unit is readily removable from the actuator unit and can be readily replaced with another dispensing unit. Different nozzle sizes can also be accommodated. The extent of the closure opening is adjustable in discrete increments.
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"Operating Instructions 725D Piston Valve", EFD Incorporated, Liquid Metering Valves, 977 Waterman Avenue, East Providence, Rhode Island 02914.
Loctite Corporation
Shaver Kevin P.
LandOfFree
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