Method and apparatus for dispensing viscous materials

Details Method and apparatus for dispensing viscous materials Method and apparatus for dispensing viscous materials

1989-02-27

1990-11-06

Huppert, Michael S.

Dispensing

Processes of dispensing

118697, 118698, B05C 502

Patent

active

049679333

ABSTRACT:
A syringe or any other dispensing device is coupled to a conventional dispensing control unit for dispensing viscous material such as adhesives and solder paste through a hollow needle thereof as metered amounts of pressurized gas are supplied to the syringe in response to a valve control signal applied to the dispensing control unit. The syringe is mounted on an automated frame for independent movement along the X, Y and Z axes in response to drive signals. Predetermined pattern and fluid flow functions are selected for each of a plurality of consecutive movement elements by operator actuation of corresponding discrete manually actuable switches to thereby create a workpiece program which can be automatically executed on command to dispense the viscous material over the upper surface of a workpiece such as a PC board in the prescribed manner.

REFERENCES:
patent: 4030640 (1977-06-01), Citrin et al.
patent: 4056075 (1977-11-01), Seiderman
patent: 4572103 (1986-02-01), Engel
patent: 4584964 (1986-04-01), Engel
patent: 4614300 (1986-09-01), Falcoff
patent: 4787332 (1988-11-01), Geisel et al.
patent: 4801051 (1989-01-01), Lewis et al.

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