Machine for spirally wrapping a continuous element around an ann

Details Machine for spirally wrapping a continuous element around an ann Machine for spirally wrapping a continuous element around an ann

1976-08-16

1978-06-27

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156195, 156366, 156422, 156460, 242 4B, B29H 1732

Patent

active

040973212

ABSTRACT:
A machine for spirally wrapping a continuous element, such as a cord or tape, around an annular tire bead. The machine is provided with a mechanism for holding a tire bead and rotating it in a fixed plane and at a predetermined speed, while a device with the element rotates about the rotating bead to wrap a portion of the continuous element around the bead at a speed which is correlated to the rotational speed of the tire bead so that the finished tire bead has a predetermined spiral wrap which can be varied by changing the relative rotational speeds of the tire bead and element about the tire bead. The machine is supplied with a braking mechanism which is designed to cushion the stop of the bead wrapping mechanism, rather than bringing it to an abrupt halt, and to bring the bead wrapping mechanism always to a halt at a desired position for beginning the wrapping of another bead. A knife is furnished for cutting the continuous element after the bead wrapping operation is completed and the machine is stopped. One of the cut ends of the continuous element is held adjacent the knife, thereby eliminating the need for an operator to reach into the machine to remove the loose end for wrapping around a newly positioned bead in the machine.

REFERENCES:
patent: 2529859 (1950-11-01), Ambler et al.
patent: 3330491 (1967-07-01), Williams
patent: 3414451 (1968-12-01), Sejda
patent: 3718523 (1973-02-01), Mallory et al.
patent: 3853667 (1974-12-01), Polshikov et al.
patent: 3966131 (1976-06-01), LaBoda

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