Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1979-10-18
1981-07-28
Gilreath, Stanley N.
Winding, tensioning, or guiding
Coil holder or support
Spool or core
242 181, 242 432, 242178, B65H 5428, B65H 5504
Patent
active
042806674
ABSTRACT:
A cylindrical-bodied yarn package wound on a bobbin in layers of helical coils which appear in a repeating program having stable curved reversals separated circumferentially by a finite distance, substantially all the crossings occurring in the curved reversals intersect at angles greater than the angles at yarn crossings occurring in the helical portions of the yarn path. The yarn paths involve at least three cycles in which yarn is wound in a program at a constant helix angle between reversals but a plurality of helix angles are included in the program.
REFERENCES:
patent: 1996864 (1935-04-01), Gladding et al.
patent: 2105140 (1938-01-01), Dersen
patent: 3606197 (1971-09-01), Akers
patent: 3690579 (1972-09-01), Porter et al.
patent: 3861607 (1975-01-01), Schippers et al.
patent: 4006863 (1977-02-01), Bense
patent: 4136836 (1979-01-01), Akers
E. I. Du Pont de Nemours and Company
Gilreath Stanley N.
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