Rotary dispensing pump

Details Rotary dispensing pump Rotary dispensing pump

1997-10-20

1999-11-16

Huson, Gregory L.

Dispensing

Agitator followed by discharge assistant and/or...

All rotary

222242, 222413, G01F 1120

Patent

active

059841478

ABSTRACT:
A rotary pump that may be used in manual or automatic dispensing systems to dispense material such as epoxy or solder paste, and the like. The rotary pump has a feed screw shaft with fins disposed in a mixing chamber that mixes the epoxy or solder paste. Epoxy or solder paste disposed in a container is forced by air pressure from the container through a feed shaft to the mixing chamber. The feed screw shaft and fins are driven by a motor that rotates the shaft and fins to blend the epoxy or solder paste in the mixing chamber. The epoxy or solder paste is forced out of a dispensing tip onto an article by the rotary motion of the feed screw shaft. Therefore, mixing of the epoxy or solder paste is achieved just prior to the point of application. The rotary pump keeps the epoxy or solder paste thoroughly blended before it is dispensed.

REFERENCES:
patent: 3183553 (1965-05-01), Slater
patent: 4796440 (1989-01-01), Shiotani et al.

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