Metal working – Fence barb making
Patent
1988-06-30
1990-02-27
Eley, Timothy V.
Metal working
Fence barb making
29 72, 29 73, 140 58, B21F 2500
Patent
active
049033840
ABSTRACT:
A method and apparatus for providing barbed strap coils without a core by means of a ring coiling device (50) that has no winder provides a single clamping device (96), whereby the coiling is interrupted for the placement of a clamp. A guide device (11B) is arranged in front of the clamping device (6) by means of which two strap sections separated by the one loop can be pushed toward the clamping device (96) by means of a strap feeding device (38). The two coils are guided outside the interruption in the coiling synchronously and in like phase through the location where the clamps are applied, by a synchronization device (60) in the clamping device (96) which engages slip-free in the two strap sections by means of a member (62). A counter (80) that counts the member movements between two successive clamping steps is coupled with member (162).
REFERENCES:
patent: Re30814 (1981-12-01), Mainiero
patent: 241256 (1881-05-01), Watkins
patent: 390975 (1888-10-01), Jordan et al.
patent: 3916958 (1975-11-01), Uhl
Chin Frances
Eley Timothy V.
Wafios Maschinenfabrik GmbH & Co. Kommanditgeseilschaft
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