US PATENT SUBCLASS 239 / 90
.~ Plunger interconnected or mounted bypass

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

88  DF  UNITARY INJECTION NOZZLE AND PUMP OR ACCUMULATOR PLUNGER {4}
90.~ Plunger interconnected or mounted bypass

DEFINITION

Classification: 239/90

(under subclass 88) Apparatus in which a means communicates with the passage between the nozzle inlet and the outlet of the collapsible chamber and is actuated by or concurrently with the collapse of the chamber to relieve the pressure at the nozzle inlet and thus terminate delivery of fluid thereto after a predetermined volume.