Proportional valve assembly, particularly for supplying compressed air on a glassware molding machine
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United States of America Patent
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-
Dec 21, 2004
Grant Date -
Feb 20, 2003
app pub date -
Jul 16, 2002
filing date -
Jul 17, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a proportional valve assembly, particularly for supplying compressed air on a glassware molding machine, a tubular body, having an axis and air inlet and outlet ports, houses a slide member which is slid axially along the axis, to open and close the inlet and outlet ports, by a linear actuator, on the one hand, and, on the other, by the reaction exerted by an elastic body and the compressed air; the elastic body being spaced apart from the slide member and connected to the slide member by a relatively moving device.
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