Paint discharge control device

Details Paint discharge control device Paint discharge control device

B - Operations, Transporting

05

C

137/43.2

B05C 11/10 (2006.01) B05B 12/08 (2006.01) G05D 7/03 (2006.01)

Patent

CA 1278491

ABSTRACT OF THE DISCLOSURE A paint discharge control device includes a housing having a paint supply port and a paint discharge port defined therein, a paint passage through which the paint supply and discharge ports communicate with each other, a diaphragm disposed in the paint passage and actuatable by air under pressure for controlling the rate of a paint flow through said paint passage, a piston slidably disposed in the housing and having a hole defined therein as part of the paint passage, and a needle valve supported in the housing and having a portion disposed in the hole in the piston. The paint passage includes a paint discharge control passageway defined between the hole and the needle valve portion. The cross-sectional area of the paint discharge control passageway can be varied in response to sliding movement of the piston in the housing.

486868

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