Irrigation gravel guard and clean-out means therefor

Claim 1

In combination, an irrigation pipe comprising a first elongated pipe portion having one end for connection to other irrigation pipes, an intermediate pipe portion extending at an angle from the other end of said first pipe portion, and a second pipe portion extending from said intermediate pipe portion parallel to said first pipe portion, said second pipe portion having an end portion for connection to other irrigation pipes, a hollow tubular member secured to said intermediate pipe portion and extending outwardly therefrom, said tubular member being aligned with the central longitudinal axis of said first pipe portion, said tubular member being in communication with the interior of said intermediate pipe portion, a gravel screen positioned in said first pipe portion, said screen being substantially truncated conical in shape and having first and second ends, said first end of said screen being open and having a diameter substantially equal to the interior of said first pipe portion, said second end of said screen having a diameter less than said first end thereof, a pipe stub secured at one end to said second end of said screen and extending therefrom through said tubular member in a sealed relationship thereto, and closure means on the second end of said pipe stub for selective opening of said second end of said pipe stub to permit the gravel in the interior of said screen to be flushed outwardly therefrom through said pipe stub.