US PATENT SUBCLASS 425 / 233
SETS OF PRESS COUPLES COMPRISING REGISTERING FEMALE MOLD CAVITIES

Current as of: June, 1999
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425 /   HD   PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS

233SETS OF PRESS COUPLES COMPRISING REGISTERING FEMALE MOLD CAVITIES {4}
234  DF  .~> Stacked
235  DF  .~> Coacting cutting; edges on female mold sections
236  DF  .~> Including positive means to eject product
237  DF  .~> Mounted on rolls

DEFINITION

Classification: 425/233

(under the class definition) Apparatus comprising devices having multiple press couples for press shaping, press forming or vulcanizing under pressure, wherein each press couple comprises means providing a set of opposed mold cavities which register, cavity to cavity, in cooperative pressing relationship.

SEE OR SEARCH THIS CLASS, SUBCLASS:

371+, for coacting endless belts providing a single press cavity, (e.g.., for vulcanizing a continuous length of hose under press, etc..).

387.1+, for preform reshaping apparatus of the blow type some of which include registering female mold cavities.

408, for press forming means including opposed registering, coacting mold cavities; see the collection notes thereunder.

425+, for cooperating, registering mold cavities in slush molding apparatus, see especially subclasses 429+.

447, for charging means combined with coacting endless belt means which cooperate to form a single shaping cavity. 448, for dough divider type apparatus including volumetric trap measuring chambers which incidentally impart shape to the measured charge.

542+, for cooperating, registering mold cavities in injection molding apparatus; see especially subclasses 567+.

SEE OR SEARCH CLASS

164, Metal Founding,

427+, for similar structure in continuous metal casting apparatus, see especially subclass 430.