Irrigation pipe gate

Details Irrigation pipe gate Irrigation pipe gate

1977-08-26

1979-10-02

Cline, William R.

Valves and valve actuation

With correlated flow path

Pipe side

F16K 322

Patent

active

041695771

ABSTRACT:
Disclosed are longitudinally slidable gates for the longitudinally extending outlet ports of arcuately walled irrigation pipes, the gates being of the general type wherein a gasketed inner-plate cooperates with and is longitudinally co-movable with an outer cover member slidably disposed at the pipe outside surface. The gate concept disclosed herein includes a boss attached to and extending radially outwardly from the inner-plate and longitudinally guided by the pipe water outlet port, the gate cover member being afforded vertically movable relationship to the inner-plate and resiliently urged theretoward and to the intervening pipe wall with disjointed separable spring means to accommodate the pipe wall given finite-thickness. Preferably, the boss includes a transverse bridge defining a boss longitudinal bore to accommodate therealong an inexpensive, reliable and rugged leaf spring, which might be desireably independently formed of reinforced resinous material. Further, novel inner-plate gaskets are disclosed which provide slidable water-tight seals of unusual reliability and which also compensate for a range of selectable pipe radii and encountered wall irregularity.

REFERENCES:
patent: 3327990 (1967-06-01), Hohnstein
patent: 3539149 (1970-11-01), Se Breny
patent: 3598362 (1971-08-01), Heldemann
patent: 3989224 (1976-11-01), Kroeker

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