US PATENT SUBCLASS 29 / 781
.~.~.~ Pipe section


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

700  DF  MEANS TO ASSEMBLE OR DISASSEMBLE {55}
771  DF  .~ Means to interrelatedly feed plural work parts from plural sources without manual intervention {8}
779  DF  .~.~ Running-length work {3}
781.~.~.~ Pipe section


DEFINITION

Classification: 29/781

Pipe section:

(under subclass 779) Apparatus wherein the article to be produced is an elongated tube.

(1) Note. Included herein is means to form an elongated tube and simultaneously fill that tube with powder.