US PATENT SUBCLASS 249 / 197
.~ Sink head or hot top

Current as of: June, 1999
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249 /   HD   STATIC MOLDS

187.1  DF  MOLD ELEMENT {4}
197.~ Sink head or hot top {5}
198  DF  .~.~> Including means permitting change in relative position of sink head or hot top on mold
199  DF  .~.~> Including means reflecting heat to surface of melt
200  DF  .~.~> Hollow for confining a heat producing or heat retaining medium
201  DF  .~.~> Including internal, diverse, perimetric layer
202  DF  .~.~> Adjuncts

DEFINITION

Classification: 249/197

(under subclass 187.1) Apparatus comprising means providing a reservoir of material to be fed into the mold.

SEE OR SEARCH THIS CLASS, SUBCLASS:

106, for combination of a mold and a sink head or hot top.

SEE OR SEARCH CLASS

106, Compositions: Coating or Plastic,

38.2+, for sink head or hot tops defined in terms of composition only.

141, Fluent Material Handling, With Receiver or Receiver Coacting Means, 392, for fluent material filling heads.

210, Liquid Purification or Separation,

513+, for gravitational separators.