B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
242/9
B65H 19/10 (2006.01) B65H 23/08 (2006.01) B65H 41/00 (2006.01) B65H 57/18 (2006.01)
Patent
CA 1239917
ABSTRACT OF THE DISCLOSURE CONTROLLED TENSION UNWINDING SYSTEM A supply roll of thin liner material for carrying a strip of resilient plastic material is mounted for rotation with the axis of rotation in a horizontal position. An arm is mounted adjacent the supply roll for swinging movement toward and away from the axis of rotation of the roll. A peel-off roller is mounted on the distal end of the arm and is rotatable for rolling engagement with the supply roll. The liner material carrying the strip of resilient plastic material is directed around the peel-off roller and over an idler roller located at a position such that a force component acting on the arm resulting from the tension in the liner is in the direction of the supply roll for urging the peel-off roller against the supply roll. This provides a regular and minimal tension in the liner while the liner is pulled off the supply roll over the idler roller and to a driven liner take-up. The diameter of the peel-off roller is small as com- pared to the diameter of the supply roll causing the liner to undergo a sharp change in direction when leaving the supply roll which facilitates the peeling off of the liner. After passing around the idler roller the liner carrying the strip of resilient plastic material passes over a separating roller for separating the strip of resilient plastic material from the liner so that it can be directed to a tire building machine or other apparatus for utilizing the strip of resilient plastic material.
469202
Sim & Mcburney
The Goodyear Tire & Rubber Company
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