Method and apparatus for uninterrupted winding of a continuous s

Details Method and apparatus for uninterrupted winding of a continuous s Method and apparatus for uninterrupted winding of a continuous s

1993-06-16

1995-08-15

Nguyen, John Q.

Winding, tensioning, or guiding

Convolute winding of material

With cutting, perforating, or notching

2425273, 2425322, 2425323, 2425423, B65H 1926, B65H 1928

Patent

active

054412110

ABSTRACT:
In a process and apparatus for winding a continuous webbing onto a windup spool wherein a webbing is fed from a supply direction to a rotatable feed drum, winding the webbing onto the feed drum, contacting the feed drum with a first windup spool for frictional rotational engagement therewith, when said first windup spool has a predetermined amount of webbing wound thereon ripping apart the webbing by forming a rip therein with the discharge pressure of a blast of air, and detaching the first windup spool from the engagement with the feed drum, the ripping of the webbing forming a leading edge at the rip in the webbing from the supply direction, winding the leading edge on a second windup spool, in that prior to the ripping, and at a location of the webbing when viewed from the supply direction before the second windup spool establishing rotational contact between the center of the webbing and a slitting wheel having a lateral slitting knife and an adhesive mounted thereon, rotating the slitting wheel in contact with the webbing, forming a slit in the center of the webbing to facilitate the subsequent ripping, attaching the adhesive to the webbing at a location when viewed from the supply direction before the slit, and after the ripping apart of the webbing by the air blast, adhering with the adhesive the leading edge of the rip in the webbing to the second windup spool.

REFERENCES:
patent: 3889892 (1975-06-01), Melead
patent: 4601441 (1986-07-01), Oinonen et al.

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