Method and apparatus for manufacture of spirals without axle

Details Method and apparatus for manufacture of spirals without axle Method and apparatus for manufacture of spirals without axle

1977-06-27

1979-02-13

Smith, Al Lawrence

Metal fusion bonding

Process

With shaping

228182, 72142, B21D 1106, B23K 3102

Patent

active

041391411

ABSTRACT:
A method and apparatus for manufacturing a spiral member by cold working an elongated strip comprising attaching one end of the steel strip to a mounting plate on a rotatable axle and driving the axle in rotation to wind the strip onto the axle to form a spiral member from the strip. The strip is guided as it proceeds for winding on the axle by two spaced guide plates on opposite sides of the strip so that each turn of the strip will lie adjacent the previous turn. The position of the guide plates is adjusted with respect to the winding of the strip along a line which forms an angle with respect to the axis of rotation of the strip. After the formation of the spiral member, it is drawn to a predetermined length.

REFERENCES:
patent: 1225895 (1917-05-01), Turney
patent: 2669012 (1954-02-01), Bruegger
patent: 2800944 (1957-07-01), Schmeling
patent: 3464101 (1969-09-01), Zubal et al.
patent: 3608347 (1968-09-01), Kemminer
patent: 3729968 (1973-05-01), Norris

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