B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 83/52 (2006.01) B65D 83/14 (2006.01)
Patent
CA 2063669
Abstract A flow regulating valve (22, 23, 24) for a container containing a product which is capable of flow and which is exposed to a gas pressure, and in a delivery duct a delivery valve (8, 13), so that the product flows out through the delivery duct when the delivery valve is opened, comprises in the delivery duct a valve seat (22) of hard material and a rubber-elastic regulating member (24) which, when the delivery duct is open, is pressed against the valve seat (22) by the internal pressure in the container. The regulating member constricts the through-flow cross-section of the delivery duct in the region of at least one throttle duct (23, 24) forming a portion of the delivery duct, to a progressively lesser degree with decreasing internal pressure, in order to keep the through flow substantially constant. In order to be able to maintain closer dimensional tolerances in respect of the through-flow cross-section and substantially to avoid the through-flow cross-section being dependent on changes, caused by ageing, in the material defining the throttle duct, so that the flow is maintained with a higher degree of accuracy, the throttle duct is delimited by a groove (23) in the valve seat (22) and the regulating member (24). Figure 1
Brachmann Gerd
Zimmerhackel Franz
Deutsche Prazisions-Ventil Gmbh
Kirby Eades Gale Baker
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