(under the class definition) Sealing means intended to seal a joint or juncture between a static part and a relatively rotating hollow cylindrical heated container.
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34, Drying and Gas or Vapor Contact With Solids, for apparatus to separate liquids from solids (i.e., drying) or contacting solids with gases or vapors,
601, that may have a seal between a rotating drum or
receptacle, and a housing.
432, Heating,
115, for a rotary drum mounted for rotation about a horizontal or slightly inclined axis, the rotation of the rotary drum imparting a tumbling motion to material placed therein, forming a juncture against a stationary part with a flexible seal, cooler seal, or an air curtain-type flow controller therebetween to prevent escape of the rotary drum's atmosphere.