US PATENT SUBCLASS 264 / 315
.~.~.~.~ Toroidal mold bag

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}
299  DF  .~ Shaping against forming surface (e.g., casting, die shaping, etc.) {10}
313  DF  .~.~ Utilizing a flexible, deformable, or destructable molding surface or material {3}
314  DF  .~.~.~ Utilizing fluid-expansible mold {1}
315.~.~.~.~ Toroidal mold bag

DEFINITION

Classification: 264/315

(under subclass 314) Processes in which said inflatable element is toroidal in shape.

(1) Note. A toroidal shape is that generated by a closed planar figure when rotated about an axis lying in the same plane therewith and outside the figure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

326, for reshaping toroidal shaped work in a closed mold cavity.