Plying or doubling machine

Details Plying or doubling machine Plying or doubling machine

1989-03-16

1990-07-24

Gilreath, Stanley N.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 356E, 242 38, B65H 5400, B65H 63024

Patent

active

049430092

ABSTRACT:
In a plying machine at least two original threads are taken from run-off spools and are together wound as a doubled thread over a plying spool. The machine has a magazine for replacing one of the run-off spools with at least one reserve spool. A thread watcher can sense the presence and absence of the original threads along predetermined respective paths and can provide in response thereto a watcher signal. A common cutter can concurrently cut the original threads. The machine has a knotter for binding together the original threads and the doubled thread. The knotter is positioned, at least when binding, at at least one predetermined position on the machine. A plurality of guides, each having a thread grasper, can provide the original threads and the doubled thread to the knotter. Also included is a controller coupled to the cutter, to the knotter and to at least one of the guides for automatically operating them in response to the watcher signal.

REFERENCES:
patent: 2740591 (1956-04-01), Woods
patent: 3794252 (1974-02-01), Abbott

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