| 摘要 |
A process for sprinkling water onto a lawn, comprising the steps of: (a) providing an in-ground pop-up sprinkler comprised of a cylindrical housing, a motor compartment structure, and rotatable sprinkler head, wherein 1. said cylindrical housing has a sprinkler compartment, a motor compartment, and an inlet communicating with said motor compartment, 2. the bottom end of said cylindrical housing is closed except for said inlet, 3. above the bottom end of said cylindrical housing, the housing forms said motor compartment, 4. above said motor compartment, said housing is radially enlarged to form said sprinkler compartment, 5. said sprinkler head is capable of limited extension and retraction, 6. when retracted, said sprinkler head is enclosed within said sprinkler head compartment formed within said housing, and 7. said sprinkler head is operatively connected to said motor compartment structure; (b) providing a valve and head sprinkler adaptor, wherein said adaptor is a circular sleeve comprised of a grooved orifice into which a pipe may be screwed and an O-ring groove around its perimeter, and wherein the diameter of said adaptor is substantially identical to the diameter of said motor compartment of said cylindrical housing; (c) removing said motor compartment structure and said rotatable sprinkler head from said cylindrical housing; (d) inserting an O-ring into said O-ring groove on said adaptor; (e) placing the adaptor with the O-ring inserted onto it into the motor compartment of said cylindrical housing; (e) attaching a pipe to said grooved orifice of said adaptor; and (f) supplying water to the inlet of said cylindrical housing.
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