US PATENT SUBCLASS 219 / 87
.~.~.~ Multiple spot type

Current as of: June, 1999
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219 /   HD   ELECTRIC HEATING

50  DF  METAL HEATING (E.G., RESISTANCE HEATING) {19}
78.01  DF  .~ For bonding with pressure (e.g., resistance welding) {16}
86.1  DF  .~.~ By spot bonding {12}
87.~.~.~ Multiple spot type

DEFINITION

Classification: 219/87

(under subclass 86.1) Subject matter in which multiple spot bonds are produced.

(1) Note. The multiple spot bonds can be produced, simultaneously by plural pairs of electrodes.

SEE OR SEARCH THIS CLASS, SUBCLASS:

81+, for this subject matter where the multiple bonds are produced by roller type electrodes.