SPRUNG GATE VALVES MOVABLE BY AN ACTUATOR
Valves having a sprung gate of various constructions are disclosed. In one embodiment, the sprung gate includes a first endless elastic band having an inner perimeter defining an open space sandwiched between a first gate member and a second gate member that each define an opening therethrough in an...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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