US PATENT SUBCLASS 249 / 152
.~.~.~ And means to expand or contract shell or core

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

117  DF  CONTAINER-TYPE MOLDING DEVICE {14}
142  DF  .~ And an inner removable core to form recess or opening {2}
144  DF  .~.~ Having inner and outer shells forming conduit-type product, receptacle-type product, or module {5}
152.~.~.~ And means to expand or contract shell or core {1}
153  DF  .~.~.~.~> By bending or flexing molding face

DEFINITION

Classification: 249/152

(under subclass 144) Apparatus having means to expand or contract the outer mold shell and/or core for purposes of producing a different sized product, or for separating the mold parts to facilitate product removal.

SEE OR SEARCH CLASS

285, Pipe Joints or Couplings,

338, for a packed pipe joint including a radially expansible packing carried by a male member; see the search notes thereunder.