Method and apparatus for rewinding a thread

Details Method and apparatus for rewinding a thread Method and apparatus for rewinding a thread

1987-03-16

1988-09-06

Gilreath, Stanley N.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 36, B65H 5938

Patent

active

047687282

ABSTRACT:
The tension in the rewound thread is modified in programmed manner as a function of the residual thread length still on a copy, the residual thread length being determined from the difference between the total thread length on the copy and the thread length already unwound from the cop. The total thread length on a cop is calculated from the weight of the thread and a calculation factor length per thread weight. For this purpose, the apparatus for performing the method has a weighing cell, which is connected to the control unit of the rewinding means. During the complete rewinding process, the rewinding speed can be kept close to the limit beyond which thread breaks increasingly occur.

REFERENCES:
patent: 3785582 (1974-01-01), Girard
patent: 3905560 (1975-09-01), Trifunovic et al.
patent: 4019691 (1977-04-01), Wroclawski et al.
patent: 4049211 (1977-09-01), Spescha
patent: 4158445 (1979-06-01), Newbegin
patent: 4330094 (1982-05-01), Mayer
patent: 4458849 (1984-07-01), Miyake et al.
patent: 4494702 (1985-09-01), Miyake et al.
patent: 4629137 (1986-12-01), Schippers et al.
patent: 4650133 (1987-03-01), White et at.

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