Patent ID: 7147402

Claim:
A method for promoting self-burial of a conduit in the bottom of a water bed, comprising the steps of: providing a first seat on a first portion of a conduit, said first seat having first, second and third grooves therein parallel to said first portion of said conduit for receiving protruding parts, said first groove being approximately over dead center along said first portion of said conduit, said second groove being radially spaced approximately 10–30° from said first groove in a first direction, and said third groove being radially spaced approximately 10–30° from said first groove in a direction opposite said second groove; providing a first protruding part in said first groove in said first seat; providing a second seat on a second portion of a conduit, said second seat having first, second and third grooves therein parallel to said second portion of said conduit for receiving protruding parts, said first groove being approximately over dead center along said second portion of said conduit, said second groove being radially spaced approximately 10–30° from said first groove in a first direction, and said third groove being radially spaced approximately 10–30° from said first groove in a direction opposite said second groove; providing a second protruding part in said second groove in said second seat; providing a third seat on a third portion of a conduit, said third seat having first, second and third grooves therein parallel to said third portion of said conduit for receiving protruding parts, said first groove being approximately over dead center along said third portion of said conduit, said second groove being radially spaced approximately 10–30° from said first groove in a first direction, and said third groove being radially spaced approximately 10–30° from said first groove in a direction opposite said second groove; and providing a third protruding part in said third groove in said third seat.