Apparatus for applying lubricating materials to metallic substra

Details Apparatus for applying lubricating materials to metallic substra Apparatus for applying lubricating materials to metallic substra

1979-01-22

1980-09-09

Hoffman, James R.

Coating apparatus

With means to apply electrical and/or radiant energy to work...

Electrostatic and/or electromagnetic attraction or...

118638, B05B 502

Patent

active

042211859

ABSTRACT:
Apparatus for generating and substantially uniformly electrostatically dispersing very finely divided lubricating particles onto the surface of an electrically conductive substrate. In this apparatus, lubricant material is atomized into a spray of particles of various sizes. Larger particles are removed from the spray by gravity, airflow and other forces. The remaining cloud of extremely small particles is delivered to a housing. The housing is preferably constructed from electrically non-conductive material and is structured to maintain the cloud of small particles in a substantially quiescent suspension between electrodes spaced from the conductive substrate within the housing. An ionization discharge is maintained by a voltage differential between the electrodes and the substrate to electrically charge the small particles in the cloud for deposition substantially entirely by electrostatic forces.

REFERENCES:
patent: 2447664 (1948-08-01), Pegg
patent: 2710589 (1955-06-01), Brunner
patent: 2762331 (1956-09-01), Henderson
patent: 2764508 (1956-09-01), Feick
patent: 2796845 (1957-06-01), Rendel
patent: 2994618 (1961-08-01), Landgraf
patent: 3000752 (1961-09-01), Jackson et al.
patent: 3726701 (1973-04-01), Nishikawa et al.
patent: 3825435 (1974-07-01), Hunt
patent: 3830196 (1974-08-01), Guttman et al.

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