Continuous solder paste dispenser

Details Continuous solder paste dispenser Continuous solder paste dispenser

1985-10-10

1986-08-12

McIntosh, John P.

Coating apparatus

Immersion or work-confined pool type

Mask or stencil

101120, 118213, B05C 502

Patent

active

046049665

ABSTRACT:
Apparatus for applying solder paste to printed circuit boards ("PCB's") in a continuous operation. A drum containing solder paste is positioned over a work station and has an outlet slot through which the solder paste can be discharged onto the surface of a PCB as it advances through the work station. A stencil formed with a desired pattern for application of the solder paste to the PCB is rotatably mounted on the outer surface of the drum and overlies the outlet slot. Gravity, machine vibration, and, if desired, air pressure are effective to discharge the solder paste onto the PCB with the aid of a resilient squeegee pad adjacent the outlet slot. A drive mechanism directly couples the translational movement of the PCB through the work station with the rotational movement of the stencil at the work station.

REFERENCES:
patent: 2928340 (1960-03-01), Stein et al.
patent: 3735730 (1973-05-01), Mitter
patent: 4023487 (1977-05-01), Mitter
patent: 4090654 (1978-05-01), Volkert
patent: 4103615 (1978-08-01), Cruz et al.
patent: 4478882 (1984-10-01), Roberto

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