Winding – tensioning – or guiding – Bobbin or spool – Open-work structure
Patent
1989-11-20
1990-08-07
Gilreath, Stanley N.
Winding, tensioning, or guiding
Bobbin or spool
Open-work structure
242 1, 68198, B65H 7518, B65H 7520, B65H 7524
Patent
active
049461141
ABSTRACT:
A yarn roll carrier tube and method of employing same to effect uniform compression of a yarn roll mounted on said tube is disclosed. The tube includes a central compressible portion, a contoured portion at one end, and an annular opening having a recessed stop portion at the other end. The tubes are sized such that the contoured portion may be inserted into and frictionally retained within the annular opening of a similar tube by a predetermined mount dictated by the position of said stop shoulder by the exertion of a compressive force exerted by one said tube against the other. Yarn rolls mounted on adjacent said tubes are partially compressed by the insertion of one tube into the other into said nested position, said insertion resulting in a preferential compression of the central portions of the yarn rolls. Subsequent compressive forces of a greater magnitude when exerted against the tubes result in axial foreshortening of the tubes and greater compression of the yarn rolls.
REFERENCES:
patent: 3465984 (1969-09-01), Tigges et al.
patent: 4270710 (1981-06-01), Ono
patent: 4454734 (1984-06-01), Marquis et al.
patent: 4702433 (1987-10-01), Gilljam et al.
patent: 4823565 (1989-04-01), Hahm
Becker Hubert
Becker Josef
Becker Matthias
Colvin Arthur B.
Gilreath Stanley N.
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