Wireworking – Applying wire – Binder tightening and joining implements
Patent
1986-10-28
1989-05-09
Larson, Lowell A.
Wireworking
Applying wire
Binder tightening and joining implements
100 32, B21F 902
Patent
active
048279919
ABSTRACT:
In a machine for twist tying a bundle of product, the tie ribbon is fed, for looping about the product to a twist head, by a feed roller. The leading end of the tie ribbon is then clamped to the twist head by a first gripper and, rearward of the feed roller, by a staking clamp and the feed roller is allowed to free wheel. The tie ribbon in the path between the feed roller and the staking clamp is then displaced laterally out of the path. The tension in the tie ribbon around the bundle is controlled by regulating the force applied in displacing the tie ribbon. While the tie ribbon is being tightened on the bundle, tie ribbon needed for looping about the next bundle is placed in an accumulator.
REFERENCES:
patent: 3518807 (1970-07-01), Pitkanen
patent: 4177724 (1979-12-01), Johnson et al.
patent: 4508030 (1985-04-01), Grenon
patent: 4559977 (1985-12-01), Dilley
Jacobsen Thomas
Parker Alexander L.
Ben Clements & Sons, Inc.
Kaplan Blum
Larson Lowell A.
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