US PATENT SUBCLASS 34 / 108
.~ Rotary drums or receptacles

Current as of: June, 1999
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34 /   HD   DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS

523  DF  APPARATUS {40}
108.~ Rotary drums or receptacles {7}
109  DF  .~.~> Compartmented or pocketed
110  DF  .~.~> External {6}
126  DF  .~.~> With additional translating means
127  DF  .~.~> Plural {2}
130  DF  .~.~> With gas or vapor flow for contact with treated material {5}
140  DF  .~.~> Vapor exhaust {1}
142  DF  .~.~> Axial treated material feed type

DEFINITION

Classification: 34/108

(under the class definition) Apparatus including a hollow drum or receptacle member through, over, by, or in which the material is carried to be treated and rotating about an axis.

(1) Note. Usually the axis coincides with the axis of the drum or receptacle. The member is usually, but not always, circular in cross section.

(2) Note. Drums and rollers that are mere conveyor guides or in themselves are mere conveyors or material feeders are not here but in other subclasses appropriate to the type of apparatus.

(3) Note. For drums with inspection or sampling means, see this class, subclasses 88 and 89.

(4) Note. For drums using both internal and external surfaces for the solid material undergoing treatment, see this class, subclass 68.

(5) Note. For additional classes and subclasses involving rotary drums or receptacles see the search notes below referencing this (5) Note. SEE OR SEARCH THIS CLASS, SUBCLASS:

184, and indented subclasses, for rotary carriers or racks.

SEE OR SEARCH CLASS

15, Brushing, Scrubbing, and General Cleaning,

75, and 90. (see (5) Note above)

55, Gas Separation,

290, 354 and 400. (see (5) Note above)

68, Textiles: Fluid Treating Apparatus, particularly

16, 20, 58, and 139+. (see (5) Note above)

69, Leather Manufactures,

30,. (see (5) Note above)

99, Foods and Beverages: Apparatus, 323.9, for rotary drum cereal poppers: subclass 443, and see note II thereto, for movable food supports; and subclass 630, for a rotary container with skin removal means. (see (5) Note above)

110, Furnaces,

226,. (see (5) Note above)

131, Tobacco,

305,. (see (5) Note above)

134, Cleaning and Liquid Contact With Solids. (see (5) Note above)

159, Concentrating Evaporators,

9.2, 10-12. (see (5) Note above)

165, Heat Exchange,

89+,. (see (5) Note above)

198, Conveyors: Power-Driven, 658,. (see (5) Note above)

201, Distillation: Processes, Thermolytic, appropriate subclass for a process of carbonizing carbonaceous material. (see (5) Note above)

202, Distillation: Apparatus, particularly

100, 131, 136, 216, 218, and 238. (see (5) Note above)

209, Classifying, Separating, and Assorting Solids,

238, 288 and indented subclasses, particularly subclass 295. (see (5) Note above)

210, Liquid Purification or Separation,

210+, 217, 297, 326, 360.1+, 384+, 385, 391+, and 402+. (see (5) Note above)

241, Solid Material Comminution or Disintegration,

54, 70+, 91, 137, 153, and 176+. (see (5) Note above)

366, Agitating,

22+, for a heating or drying mortar mixing chamber, and subclasses 54+ and 220+ for rotatable mixing chambers having no claimed drying or gas or vapor contact means. 384, Bearings,

549, for a fixed supporting roller. (see (5) Note above)

404, Road Structure, Process, or Apparatus,

83+,. (see (5) Note above)

422, Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing, appropriate

209+,. (see (5) Note above)

435, Chemistry: Molecular Biology and Microbiology,

303, and 312. (see (5) Note above)

451, Abrading,

106, and 326+ and indented subclasses. (see (5) Note above)

432, Heating, 103+, for a residual tumbler type rotary furnace.