Electric heating – Metal heating – Wire – rod – or bar bonding
Patent
1986-02-18
1987-12-08
Goldberg, Howard N.
Electric heating
Metal heating
Wire, rod, or bar bonding
198389, 198394, 221173, 53399, 53444, B23K 1100, B65B 1934, B65B 3558, B65G 4724
Patent
active
047119802
ABSTRACT:
Apparatus for forming nails into a nailing strip, in which nails are welded to wire strips, and having a nail feed, a nail indexing wheel indexing nails into predetermined nail spacings, a nail rotator to bring their heads in a predetermined orientation, a nail handling slide for receiving nails, a wire feed for feeding wire to one side of the nails, electrical welding contacts for pressing the wire against nail and passing a welding current to weld the wire to the nail, a moving device for moving the welding contacts towards and away from the nails, and a movement device for moving the nails along the nail slide.
REFERENCES:
patent: 3084782 (1963-04-01), Bower
patent: 3152334 (1964-10-01), Lingle
patent: 3736198 (1973-05-01), Leistner
patent: 3861526 (1975-01-01), Leistner
patent: 3997065 (1976-12-01), Jaksch
patent: 4409461 (1983-10-01), Mizutani
patent: 4442965 (1984-04-01), Leistner
patent: 4529858 (1985-07-01), Scaerr et al.
patent: 4549419 (1985-10-01), Trost et al.
Goldberg Howard N.
Rolston George A.
Ross Taylor J.
Sigma Tool & Machine Limited
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