US PATENT SUBCLASS 29 / 800
.~ Including provision to utilize thermal expansion of work

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

700  DF  MEANS TO ASSEMBLE OR DISASSEMBLE {55}
800.~ Including provision to utilize thermal expansion of work

DEFINITION

Classification: 29/800

Including provision to utilize thermal expansion of work:

(under subclass 700) Apparatus including provision using the phenomenon that work changes dimension when heated to associate, juxtapose, or fasten work parts together; or to separate or unfasten one work part from another.