Method and apparatus for feeding and tensioning strap in a strap

Details Method and apparatus for feeding and tensioning strap in a strap Method and apparatus for feeding and tensioning strap in a strap

1985-05-02

1986-08-12

Wityshyn, Michael

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

53399, 53582, 100 29, 100 32, 100 33PB, 156212, 156229, 156468, 156494, 156495, 156502, B65B 1322, B65B 1324

Patent

active

046054561

ABSTRACT:
A method and apparatus for feeding and tensioning strap in a strapping machine is provided. The apparatus includes a rotatable feed wheel and means for rotating the feed wheel, a first pinch roll associated with the feed wheel, and a first strap pressing means for moving the pinch roll between a strap engaging position and a position wherein the strap is not engaged. Also provided is a rotatable take-up wheel and means for rotating the take-up wheel in a direction opposite to the feed wheel rotation. A second pinch roll is provided adjacent the take-up wheel and is movable between a first position for engaging the strap and a second position wherein the strap not engaged. A high tension member is mounted for rotation between the feed wheel and take-up wheel. The high tension member defines a slot for accommodating the strap and defines a strap engaging surface on the periphery of the high tension member at an end of the slot. Means are provided for rotating the high tension member to engage the strap and apply high tension to the strap.

REFERENCES:
patent: 3420158 (1969-01-01), Kobiella
patent: 4011807 (1977-03-01), Kobiella
patent: 4177724 (1979-12-01), Johnson, III et al.
patent: 4356685 (1982-11-01), Buttner
patent: 4444097 (1984-04-01), Wehr et al.

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