US PATENT SUBCLASS 202 / 268
.~.~ Expansion provisions


Current as of: June, 1999
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202 /   HD   DISTILLATION: APPARATUS

81  DF  APPARATUS {4}
239  DF  .~ Elements {10}
268.~.~ Expansion provisions


DEFINITION

Classification: 202/268

The distilling assembly has provision for expansion and contraction as the structure is heated and cooled. This may be in the form of sliding or other joints or devices for allowing expansion and forcing contraction.

SEE OR SEARCH CLASS

249, Static Molds,

82, wherein molding means is provided to adjust the volume of the apparatus during the molding operation to compensate for change in volume of the material.