Winding – tensioning – or guiding – Composite article winding – For prestressing core
Patent
1999-02-19
2000-07-18
Walsh, Donald P.
Winding, tensioning, or guiding
Composite article winding
For prestressing core
2424181, B65H 5464
Patent
active
060894938
ABSTRACT:
A mobile wire wrapping machine adapted for wrapping wire under tension around a stationary, generally circular object of large size during substantially continuous travel of the machine around such object. This machine contains a supply of wire utilized in conjunction with a wire tensioning assembly through which the wire passes, with the wire tensioning assembly serving to create a substantial amount of tension in the wire as it passes therethrough, to thereafter be wrapped around the large object. My novel machine utilizes a tension indicating device, which advantageously involves a weight mounted for motion in a direction such that its position is influenced by gravity. The position of the movably mounted weight serves as a reflection of the amount of tension in the wire, and movement of the weight during operation of the machine, provides a conspicuous indication, on a substantially continuous basis, of any changes in tension in the wire. This tension indicating device may be utilized in connection with an arrangement operatively associated with the wire tensioning assembly, for modifying the tension in the wire, so that the wire being wrapped around the large stationary object will be automatically maintained at a consistent tension. In accordance with one embodiment of this invention, the movably mounted weight is suspended by a pulley arrangement, whereas in accordance with another arrangement, the weight is mounted in an adjustable manner on a balance beam, with motion of the balance beam during operation of the machine being about a balance point.
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Marcelo Emmanuel M.
Renfro, Esq. Julian C.
Walsh Donald P.
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