Method and apparatus for winding a thread on a bobbin at a high

Details Method and apparatus for winding a thread on a bobbin at a high Method and apparatus for winding a thread on a bobbin at a high

1975-11-03

1977-11-22

Gilreath, Stanley N.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 18R, 242 18DD, 242 45, B65H 5438

Patent

active

040592391

ABSTRACT:
In an operation for winding a synthetic thread on a cylindrical bobbin for producing a full size yarn package at a winding speed more than 2500 m/min, the possible creation of defective yarn winding is positively prevented by increasing the tightness of the winding thread on a just previously formed thread layer of the yarn package, at least once in a predetermined period defined by a critical condition. Such predetermined period is defined by

REFERENCES:
patent: 2524121 (1950-10-01), Crouzet
patent: 3374960 (1968-03-01), Stanley
patent: 3402898 (1968-09-01), Mattingly
patent: 3451209 (1969-06-01), Bisset et al.
patent: 3452533 (1969-07-01), Bisset et al.
patent: 3452534 (1969-07-01), Bisset et al.
patent: 3488938 (1970-01-01), Johnson et al.
patent: 3638872 (1972-02-01), Jennings
patent: 3847364 (1974-11-01), Rohner et al.

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