Apparatus for producing coils

Details Apparatus for producing coils Apparatus for producing coils

1981-05-04

1982-09-28

McQuade, John

Wireworking

Article making or forming

Helix screwing through row of loops or openings

B21F 302

Patent

active

043513719

ABSTRACT:
An apparatus for introducing a coiled binding wire directly into a row of holes in a pack of sheets comprises a pneumatic motor connected directly to a winding spindle which coils the binding wire and introduces the coil into the row of holes, the motor driving the spindle intermittently. A valve for controlling the air supply to the motor is arranged fast therewith.

REFERENCES:
patent: 1081458 (1913-12-01), McKenney
patent: 3101750 (1963-08-01), Pfaffle
patent: 3378045 (1968-04-01), Thurman
patent: 3520334 (1970-07-01), Mueller
patent: 3818954 (1974-06-01), Pfaffle

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