Automatic spray gun cleaning apparatus

Fluid sprinkling – spraying – and diffusing – With cleaning means – drip collecting – waste disposal or soil... – Soil preventing gas shield

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Details

239112, 134172, 137508, B05B 128, B05B 1502, B05B 106

Patent

active

049796771

ABSTRACT:
Apparatus is disclosed for cleaning exposed surfaces on a nozzle and air cap assembly of an automatic paint spray gun. Solvent is delivered to a nozzle for cleaning the exposed surfaces. The nozzle is supported by a piston which is moved by the solvent flow to advance the nozzle to a cleaning position in front of the spray gun. Solvent cannot flow to the solvent nozzle until the piston moves the solvent nozzle to the cleaning position. A spring retracts the piston and the nozzle when solvent flow ceases. During cleaning, an air curtain protects the spray gun from the solvent and paint spray.

REFERENCES:
patent: 1954222 (1934-04-01), Olson
patent: 4275838 (1981-06-01), Fangmeyer
patent: 4605168 (1986-08-01), Tachi et al.
patent: 4792094 (1988-12-01), Tachi et al.
patent: 4830882 (1989-05-01), Ichinose et al.

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