Method and apparatus for manufacturing a lamp

Details Method and apparatus for manufacturing a lamp Method and apparatus for manufacturing a lamp

1982-01-12

1984-07-03

Shaw, C. C.

Electric heating

Metal heating

By arc

219 75, 2191304, 445 27, B23K 900, B23K 906, H01K 302

Patent

active

044581360

ABSTRACT:
A method and apparatus for manufacturing a lamp involves preparing a lamp assembly having a base to which is coupled a bulb with external lead-in wires. One of the lead-in wires has an outer end which is drawn out between the bulb and the edge of the base. A potential is applied between a welding electrode of a welding device and the tip of the outer end of the external lead-in wire to weld the lead-in wire to the base. During this applying of potential, a gas flame is interposed between the outer end of the external lead-in wire and the welding electrode.

REFERENCES:
patent: 1443439 (1923-01-01), Southgate

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