Spiral binding machine for spirally feeding a spiral binding ele

Details Spiral binding machine for spirally feeding a spiral binding ele Spiral binding machine for spirally feeding a spiral binding ele

1982-06-23

1983-04-05

Goldberg, Howard N.

Wireworking

Article making or forming

Helix screwing through row of loops or openings

B21F 4516

Patent

active

043788220

ABSTRACT:
A machine is disclosed for spirally feeding a spiral binding element. A mandrel guides the element. A driving wheel rotates the element on the mandrel. A location member engages in the element's spiral whereby the element is fed along the mandrel when the driving wheel rotates the element.

REFERENCES:
patent: 770722 (1904-09-01), Johanson
patent: 2532443 (1950-12-01), Freundlich
patent: 2808079 (1957-10-01), Tauber
patent: 3134406 (1964-05-01), Freundlich et al.

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