US PATENT SUBCLASS 494 / 18
.~.~ Including conduit of flexible umbilical cable type

Current as of: June, 1999
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494 /   HD   IMPERFORATE BOWL: CENTRIFUGAL SEPARATORS

16  DF  INCLUDING PLURALITY OF MINIATURE BOWLS (E.G., TEST TUBES) DISTRUBUTED ABOUT ROTATABLE CARRIER AND READILY REMOVABLE THEREFROM {4}
17  DF  .~ And means for introducing either material or auxiliary fluid into bowls {1}
18.~.~ Including conduit of flexible umbilical cable type

DEFINITION

Classification: 494/18

Including conduit of flexible umbilical cable type:

(under subclass 17) Apparatus which further includes a flaccid, tubular element for conducting the mixture or other fluid from a stationary supply, or supply connection, to or from the receptacles while they are rotating with the carrier.

(1) Note. The development and use of a conduit of this nature is generally considered to reduce certain maintenance and contamination problems inherent in the rotating seal which it eliminates.