US PATENT SUBCLASS 239 / 591
.~ Including flow passage liner (e.g., wear liner)


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

589  DF  RIGID FLUID CONFINING DISTRIBUTOR {8}
591.~ Including flow passage liner (e.g., wear liner)


DEFINITION

Classification: 239/591

(under subclass 589) Apparatus in which the flow passage at or near the nozzle is provided with an insertable flow conducting member usually for replacement or wear resistant reasons.

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265.15, for a reaction motor nozzle liner which is at least partially worn away by melting, breaking or corroding.

461+, for insertable rotation controlling means of liner form which serve as anti-turbulence devices.

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175, Boring or Penetrating the Earth,

340, and 393 for a liner member in a conduit delivering a fluid to an earth boring or penetrating bit or bit element.