Process for removing yarn or film wrapped around a tube

Details Process for removing yarn or film wrapped around a tube Process for removing yarn or film wrapped around a tube

1982-09-02

1989-02-14

Eley, Timothy V.

Metal working

Method of mechanical manufacture

Magnetically shaping

72402, B23P 1902

Patent

active

048037702

ABSTRACT:
Method and apparatus for removing yarn or film which is wrapped around a tube and forms a yarn package or film roll are provided. The method comprises, in sequence, the steps of applying a sufficient amount of pressure to the yarn package or film roll to cause the tube to pleat substantially along its length; releasing the pressure; and withdrawing the pleated tube from the package or roll. The apparatus comprises means for applying a sufficient amount of pressure to the yarn package or film roll to cause the tube to pleat substantially along its length; and means for releasing the pressure.

REFERENCES:
patent: 443029 (1890-12-01), Wood
patent: 1070379 (1913-08-01), Summey
patent: 2825962 (1958-03-01), Brown et al.
patent: 3089230 (1963-05-01), Chapman et al.
patent: 3210984 (1965-10-01), Arbogast
patent: 3451249 (1969-06-01), Sharon
patent: 3455521 (1969-07-01), Cunningham et al.

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