US PATENT SUBCLASS 239 / 495
.~.~.~.~ Deformed plate

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

461  DF  FLOW DEFLECTING OR ROTATION CONTROLLING MEANS {9}
463  DF  .~ Fluid rotation inducing means upstream of outlet {12}
491  DF  .~.~ Apertured cap surmounts whirler organization {3}
494  DF  .~.~.~ Whirler is slotted or apertured flat disc or plate {3}
495.~.~.~.~ Deformed plate

DEFINITION

Classification: 239/495

(under subclass 494) Apparatus in which the passages causing the fluid to spin or rotate are in the form of tongues or slits cut or struck through the plane surface of the disc and bent to the desired shape.