US PATENT SUBCLASS 144 / 256.4
.~.~ Three contoured rigid platens


Current as of: June, 1999
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144 /   HD   WOODWORKING

256.1  DF  WOOD BENDING PRESS {5}
256.3  DF  .~ Having opposed contoured rigid platens {1}
256.4.~.~ Three contoured rigid platens


DEFINITION

Classification: 144/256.4

Three contoured rigid platens:

(under subclass 256.3) Apparatus including a third discrete work-engaging surface having a nonplanar profile and formed of a material which does not yield during the bending operation, wherein the nonplanar profile is imparted to a wooden part.

(1) Note. The third work-engaging surface may operate either simultaneously, or sequentially with the first and second surfaces, and may work on the same, or a different wooden part.

SEE OR SEARCH CLASS

72, Metal Deforming,

381, and 394+ for metal bending apparatus having three or more relatively movable coating work engaging surfaces.