US PATENT SUBCLASS 219 / 127
.~.~ Spot arc bonding (e.g., arc riveting)

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}
121.11  DF  .~ By arc {16}
127.~.~ Spot arc bonding (e.g., arc riveting)

DEFINITION

Classification: 219/127

(under subclass 121) Subject matter in which the arc is not moved continuously with respect to the work but touches it

only at isolated points and in which the heat of the arc is used for bonding.

(1) Note. This is sometimes known as arc riveting or plug welding.

SEE OR SEARCH THIS CLASS, SUBCLASS:

87, for similar subject matter in resistance welding.