Coating apparatus – Projection or spray type – Moving projector
Patent
1981-04-07
1984-02-28
McIntosh, John P.
Coating apparatus
Projection or spray type
Moving projector
118324, B05C 500
Patent
active
044336403
ABSTRACT:
A rotary sprayer has a rotor centrally of a conveyor and spaced therefrom with its axis normal thereto. The rotor supports a series of spray heads so spaced from its axis as to establish arcuate paths for them across the conveyor as the rotor is rotated. The spray is discharged to coat the work carried by the conveyor as the spray heads cross the conveyor and during such crossing their travel relative to the arcuate paths is so varied that the thickness of the deposited layer is substantially uniform wherever applied. The rotor has a chamber through which the spray material passes and which provides an air cushion absorbing momentary pressure increases occurring as the valves of the spray heads close and minimizing pressure drops as valves open.
REFERENCES:
patent: 2397482 (1946-04-01), Griffin
patent: 2754795 (1956-07-01), Enssle
patent: 4151808 (1979-05-01), Beck et al.
patent: 4231523 (1980-11-01), Vikre
Beck Alfred E.
Cushing Richard D.
Circle Machine Co., Inc.
McIntosh John P.
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