US PATENT SUBCLASS 425 / 218
FEMALE MOLD AND COOPERATING STOCK SMOOTHING MEANS OR EXCESS STOCK REMOVING MEANS

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

218FEMALE MOLD AND COOPERATING STOCK SMOOTHING MEANS OR EXCESS STOCK REMOVING MEANS {3}
219  DF  .~> Means carried by or attached to feeder
220  DF  .~> Conveyor or roll mounted mold with stationary smoothing or removing means
221  DF  .~> For means excavating from bulk source with simultaneous shaping (e.g., ice cream scoop or plugger, etc.)

DEFINITION

Classification: 425/218

(under the class definition) Apparatus including a shape imparting cavity having a charge opening and means (e.g.., wiper blade) cooperating with the opening to remove surplus material or to smooth the outer surface of the material shaped and contained by the cavity.

(1) Note. Devices in which the smoothing means is also a press surface are not here but placed in presses below.

(2) Note. The wiper must be a means in addition to means pressurizing the stock to force it into a mold cavity (i.e., a feed hopper closure or valve that inherently smooths while cutting off the flow of material into the mold is included; see the notes under subclass 447.

SEE OR SEARCH THIS CLASS, SUBCLASS:

289, for a cutting means to smooth the stock or to remove excess stock subsequent to shaping or forming.

426+, for a centrifugal or a moving female mold which forms a hollow article and in which a scraper or smoothing means is adapted to move relative thereto. 458, for a hand movable substrate traversing, plural dimension shaping means.