Method and device for avoiding the formation of irregular turns

Details Method and device for avoiding the formation of irregular turns Method and device for avoiding the formation of irregular turns

1986-06-12

1987-09-29

Gilreath, Stanley N.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

B65H 5438

Patent

active

046964355

ABSTRACT:
Method of avoiding the formation of irregular thread turns during the winding of a cross-wound coil driven by a drive drum formed with reversing thread grooves cooperating with a thread guide, a rotating element connectible to the cross-wound coil being braked with a varying braking force, which comprises the steps of continuously varying the peripheral velocity of the drive drum, and simultaneously braking, at least one of the cross-wound coil and the rotating element connected thereto, with a variable braking force in such manner that the peripheral velocity of the cross-wound coil remains constant within given tolerance limits.

REFERENCES:
patent: 1946506 (1934-02-01), Swanson et al.
patent: 2036441 (1936-04-01), Swanson
patent: 2066494 (1937-01-01), Swanson
patent: 4049211 (1977-09-01), Spescha
patent: 4060208 (1977-11-01), Raasch
patent: 4487374 (1984-12-01), Sugioka et al.
patent: 4565332 (1986-01-01), Slaghuis et al.

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