US PATENT SUBCLASS 156 / 480
.~.~.~.~.~.~ With separate member pressing bent sheet corner at axis intersection

Current as of: June, 1999
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156 /   HD   ADHESIVE BONDING AND MISCELLANEOUS CHEMICAL MANUFACTURE

349  DF  SURFACE BONDING MEANS AND/OR ASSEMBLY MEANS THEREFOR {34}
443  DF  .~ With bending, folding, winding, or wrapping means {5}
475  DF  .~.~ To configuration of part to which secured {6}
477.1  DF  .~.~.~ Plural, distinct, sequential bending or folding means {3}
478  DF  .~.~.~.~ Intersecting bend axis {1}
479  DF  .~.~.~.~.~ Means bending sheet over edges of planar part {1}
480.~.~.~.~.~.~ With separate member pressing bent sheet corner at axis intersection

DEFINITION

Classification: 156/480

(under subclass 479) Apparatus have in addition means compressing the folded sheet at the junction of the intersecting axis.

(1) Note. The devices are usually for the purpose of flattening the gathered folded material.