US PATENT SUBCLASS 29 / 449
.~.~.~.~ By flexing

Current as of: June, 1999
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29 /   HD   METAL WORKING

592  DF  METHOD OF MECHANICAL MANUFACTURE {54}
428  DF  .~ Assembling or joining {21}
446  DF  .~.~ With prestressing of part {5}
448  DF  .~.~.~ Of skin on frame member {1}
449.~.~.~.~ By flexing

DEFINITION

Classification: 29/449

By flexing:

(under subclass 448) Process wherein the tension or compression is effected by bending one of the parts within its elastic limit to reduce the area in the surface of a plane through the spaced points of joinder.