Method and apparatus for removing wrapped yarn group on package

Details Method and apparatus for removing wrapped yarn group on package Method and apparatus for removing wrapped yarn group on package

1993-03-25

1996-03-05

Stodola, Daniel P.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 356E, 242 36, 242 3550A, 242 19, 242 18EW, 57306, B65H 5400, B65H 5402, B65H 6904, B65H 7532

Patent

active

054959900

ABSTRACT:
A method for removing a wrapped yarn coil of an initial yarn portion of a package; the wrapped yarn coil being wound on a bobbin while being gripped by a slit-like groove formed on the bobbin end along a peripheral circle of the bobbin, and being followed by a transfer tail; including steps of
severing the wrapped yarn coil at a position on the bobbin end in which the slit-like groove does not exist,
while holding the severed ends of the wrapped yarn coil by suction, gripping the severed ends by grippers, and
removing the wrapped yarn coil from the slit-like groove along the periphery of the bobbin while rotating the grippers in the twisting direction so that a twist is imparted to the wrapped yarn coil held by the grippers.

REFERENCES:
patent: 3999721 (1976-12-01), DuFresne
patent: 4085901 (1978-04-01), Sanders
patent: 4158444 (1979-06-01), Krauss
patent: 4324368 (1982-04-01), Inouye et al.
patent: 4436249 (1984-03-01), Santa Lucia et al.
patent: 4760969 (1988-08-01), Otoshima et al.
patent: 4995562 (1991-02-01), Koga et al.
patent: 5005776 (1991-04-01), Schwarz
patent: 5253817 (1993-10-01), Hatakeyama et al.
patent: 5356085 (1994-10-01), Kobayashi et al.

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