Device for shaping and transporting coil fastener elements

Details Device for shaping and transporting coil fastener elements Device for shaping and transporting coil fastener elements

1975-08-25

1977-02-08

Gilden, Leon

Metal deforming

Coiling by work-guide member orbiting about longitudinal...

72145, B21D 1100, B21F 304

Patent

active

040066207

ABSTRACT:
A device for shaping and transporting coil fastener elements which comprises a rotatable screw and an oppositely disposed rotating means having an endlessly toothed periphery. A mandrel of a coiling unit is arranged between the rotating screw and the rotating means with its extension curved in conformity with the periphery of the rotating means. Convolutions formed successively around the mandrel are shaped and transported between screws and rotating means and, upon departure and disengagement from the screw, are continued to advance in driving engagement with the rotating means toward a die wheel whereby they are finally set with heat.

REFERENCES:
patent: 1382251 (1921-06-01), Smurr
patent: 1617583 (1927-02-01), Fentress et al.
patent: 1898102 (1933-02-01), Sturgis
patent: 3353217 (1967-11-01), Bashover

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