Longitudinal finned resistance weld pin

Details Longitudinal finned resistance weld pin Longitudinal finned resistance weld pin

1983-11-14

1984-11-13

Envall, Jr., Roy N.

Electric heating

Metal heating

For bonding with pressure

411452, B23K 920

Patent

active

044827954

ABSTRACT:
An improved resistance weld pin is disclosed, the pin being especially adapted to hold insulation batts to the surfaces of ducts. The pin is characterized by the provision of axially directed heat radiating ribs which terminate at and extend radially beyond the junction of the tip of the pin and the shank.

REFERENCES:
patent: 1978145 (1934-10-01), Rosenberg
patent: 2223871 (1940-12-01), Johnson
patent: 3624340 (1971-11-01), Hinden

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