US PATENT SUBCLASS 219 / 73.21
.~.~.~.~ For deposition welding

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


219 /   HD   ELECTRIC HEATING

50  DF  METAL HEATING (E.G., RESISTANCE HEATING) {19}
72  DF  .~ Nonatmospheric environment at hot spot (e.g., resistance weld under oil, vacuum) {2}
73  DF  .~.~ Slag (e.g., submerged arc) {2}
73.2  DF  .~.~.~ With granular flux supply {1}
73.21.~.~.~.~ For deposition welding

DEFINITION

Classification: 219/73.21

For deposition welding:

(under subclass 73.2) Subject matter including welding processes wherein coalescence is produced by heating with an arc or arcs between a bare metal electrode or electrodes and the work, with the arc being shielded by a blanket of granular, fusible material on the work.

SEE OR SEARCH THIS CLASS, SUBCLASS:

73.11, for electroslag coating.

76.1+, for other deposition welding subject matter.