US PATENT SUBCLASS 29 / 890.125
.~.~.~ Joining plural semi-circular components

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

592  DF  METHOD OF MECHANICAL MANUFACTURE {54}
890.12  DF  .~ Valve or choke making {5}
890.124  DF  .~.~ With assembly, disassembly or composite article making {3}
890.125.~.~.~ Joining plural semi-circular components

DEFINITION

Classification: 29/890.125

Joining plural semi-circular components:

(under subclass 890.124) Process wherein the valve or choke is manufactured from at least two arcuate members or elements assembled together.