US PATENT SUBCLASS 264 / 277
.~.~.~.~.~ Maintaining preforms in spaced relationship

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

239  DF  MECHANICAL SHAPING OR MOLDING TO FORM OR REFORM SHAPED ARTICLE {10}
241  DF  .~ To produce composite, plural part or multilayered article {9}
259  DF  .~.~ Shaping material and uniting to a preform {8}
271.1  DF  .~.~.~ Preform embedded in or surrounded by shaped material {6}
275  DF  .~.~.~.~ Positioning or maintaining position of preform relative to mold surface {3}
277.~.~.~.~.~ Maintaining preforms in spaced relationship

DEFINITION

Classification: 264/277

(under subclass 275) Processes in which a plurality of bodies spaced from each other during a molding operation are embedded in or surrounded by said shaping material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

261, for processes in which molding material is introduced only in the space between plural preform surfaces with no more than a slight excess or overflow, said molding material being contained at least in part by the preform surfaces and serving to unite said preforms.