US PATENT SUBCLASS 29 / 507
.~.~.~.~ By expanding inner annulus

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}
505  DF  .~.~ Joining by deforming {6}
506  DF  .~.~.~ Securing cup or tube between axially extending concentric annuli {2}
507.~.~.~.~ By expanding inner annulus

DEFINITION

Classification: 29/507

By expanding inner annulus:

(under subclass 506) Process in which the second short tubular member, i.e., the inner member is deformed radially outwardly to confine the end of the first tubular member between the second or inner and the third or outer tubular members.

SEE OR SEARCH THIS CLASS, SUBCLASS:

523, for a process of joining parts by outwardly expanding a part in a cavity to frictionally grip the cavity walls.