Spray element especially for mold sprayers

Details Spray element especially for mold sprayers Spray element especially for mold sprayers

1995-11-27

1997-02-18

Bell, Janyce

Coating processes

Mold coating

427236, 427421, B05D 722

Patent

active

056039840

ABSTRACT:
Process for the application of a liquid die wall treatment agent to areas of the die walls of a molding device by means of at least one spray element with metering of the flow rate of the die wall treatment agent by a metering valve. The metering valve having a metering cross section for the liquid die wall treatment agent and influenced by a secondary fluid including a metering valve with a valve membrane of variable shape, one side of which is acted on by the die wall treatment agent, while the other side is acted on by the secondary fluid, and the pressure on at least one side of the membrane is influenced by flow rate adjusting means, which results in variable flow rates and the variable flow rates are determined by different positions of the membrane.

REFERENCES:
patent: 2747608 (1956-05-01), Grove
patent: 3298391 (1967-01-01), Savage
patent: 3325138 (1967-06-01), Connolly
patent: 3445085 (1969-05-01), Eckel et al.
patent: 3687365 (1972-08-01), Laesigg
patent: 5314116 (1994-05-01), Krauth et al.

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