Method of producing an electrostatically painted multi-layered h

Details Method of producing an electrostatically painted multi-layered h Method of producing an electrostatically painted multi-layered h

1994-01-07

1995-12-05

Owens, Terry J.

Coating processes

Direct application of electrical, magnetic, wave, or...

Electrostatic charge, field, or force utilized

427230, 427236, 427282, 427469, 427470, 427476, 427544, 138109, 138137, B05D 722, B05D 106

Patent

active

054727464

ABSTRACT:
A method for producing a multi-layered hose by electrostatically applying a thin resin layer on the inner surface of a tubular rubber outer layer. The resin can be applied by spraying resin powder from a bar nozzle inserted into an opening of the tubular outer layer, and the applied resin can be heated by an induction or dielectric heating source placed inside the tubular outer layer. The resin can be applied only to the hose body portion and not to edge portions which are to be attached to mating pipes, or a thinner layer of resin can be applied on the edge portions than on the body portion. An intermediate layer containing dielectric material or at least one of electrically conductive and magnetic material can be formed between the tubular outer layer and resin inner layer.

REFERENCES:
patent: 2555519 (1951-06-01), Tolle et al.
patent: 3946125 (1976-03-01), Scheiber
patent: 4368219 (1983-01-01), Nagata et al.
patent: 4762589 (1988-08-01), Akiyama et al.
patent: 4774137 (1988-09-01), Alberts et al.
patent: 4842944 (1989-06-01), Kuge et al.
patent: 4908225 (1990-03-01), Niimura et al.
patent: 5194328 (1993-03-01), Suzuki et al.
Savage, Daniel R., "Powder Coating: A Look at Equipment and Materials", Products Finishing, Jan. 1972, pp. 40-51.

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