US PATENT SUBCLASS 264 / 86
REMOVAL OF LIQUID COMPONENT OR CARRIER THROUGH POROUS MOLD SURFACE


Current as of: June, 1999
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264 /   HD   PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES

86REMOVAL OF LIQUID COMPONENT OR CARRIER THROUGH POROUS MOLD SURFACE {1}
87  DF  .~> By direct application of vacuum or pneumatic pressure


DEFINITION

Classification: 264/86

(under the class definition) Processes wherein a liquid component or liquid vehicle for a moldable material is removed or separated from the material through a foraminous shaping surface.

(1) Note. The shaping surface for this subclass may have holes extending there-through as in the case of a perforated sheet, or the body of the mold may be absorbent as in the case of a porous plaster mold which will absorb water.

SEE OR SEARCH THIS CLASS, SUBCLASS:

91+, for processes for forming articles by uniting particles carried in a gas stream.

SEE OR SEARCH CLASS

162, Paper Making and Fiber Liberation, appropriate subclasses, for forming fibrous felted products from slurries by draining the liquid carrier through a foraminous mold surface.

210, Liquid Purification or Separation, appropriate subclasses for processes for dewatering slurries to produce a formless mass of material.