US PATENT SUBCLASS 239 / 676
.~.~ Including movable gate, barrier or valve upstream of scatterer

Current as of: June, 1999
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239 /   HD   FLUID SPRINKLING, SPRAYING, AND DIFFUSING

650  DF  CONTAINER FOR NON-FLUID MATERIAL, AND SCATTERING MEANS {21}
672  DF  .~ Including driven conveyor or follower feeding material horizontally towards scatterer {7}
676.~.~ Including movable gate, barrier or valve upstream of scatterer

DEFINITION

Classification: 239/676

(under subclass 672) Apparatus comprising a movable means acting on the material before reaching the strewing means, which functions as a valve to regulate flow of material to the strewing means or in one position prevents the material from pressing against the strewing means and in another position permits the material to reach the strewing means.