(under subclass 142) Subject matter wherein the closing-element and flow path are relatively movable, the closing-element being operated as the result of imparting motion to the flow path.
SEE OR SEARCH THIS CLASS, SUBCLASS:
149+, for a separable, valved, flow path wherein the valve is operated by the act of coupling the flow path sections.
SEE OR SEARCH CLASS
137, Fluid Handling,
355.18+, for a supported, valved hose wherein movement of the hose regulates the valve, subclass 515 for drill pipe check valves which may be rendered inoperative by manipulation of the conduit and subclass 616 for distribution systems comprising articulated or swinging flow conduits which operate a valve, and see the search notes thereto. 166, Wells,
334.1, and the subclasses there noted for well devices with valves actuated by movement of the conduit carrying the valve, and see subclass 316 for the line between Classes 166 and 251.
222, Dispensing,
526+, for movable material discharge guides having various valve means associated therewith.
