(under subclass 246) Cleaning devices which are installed in or adapted to be attached to a tank or similar receptacle for cleaning a surface thereof. The tank need not be defined if the structure is peculiar to features cooperating with a tank.
(1) Note. Since art devices, in general, take their own built-in cleaning means, only enough structure to support or operate the cleaner may be included, except for the tank inlet and/or outlet.
SEE OR SEARCH THIS CLASS, SUBCLASS:
1.7, for submerged cleaners with ambient flow guides.
104.05, for devices for cleaning the interior of pipes or tubes, and see the Notes thereto.
SEE OR SEARCH CLASS
137, Fluid Handling, 238+, for fluid handling devices and cleaners there provided for, and subclass 577.5 for apparatus for traversing a conduit over a submerged surface of a receptacle or tank.
210, Liquid Purification or Separation,
523+, for gravitational separators having constituent movers.
414, Material or Article Handling,
314, for the combination of a static receptacle and a nongravity discharging means therefor, which means includes at least compound motion type of discharge assistant operating on the top of the material being discharged from the receptacle, and wherein the combination further includes a means for cleaning the wall of the receptacle.
