US PATENT SUBCLASS 219 / 76.13
.~.~ By spark discharge

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}
76.1  DF  .~ For deposition welding (e.g., coating or building up) {6}
76.13.~.~ By spark discharge

DEFINITION

Classification: 219/76.13

By spark discharge:

(under subclass 76.1) Subject matter wherein a mixture of powders and combustible gases is detonated by an electrically produced spark, thereby simultaneously heating the powders and propelling them onto the workpiece surface at very high velocities.