Method and apparatus for doffing in a spinning frame

Details Method and apparatus for doffing in a spinning frame Method and apparatus for doffing in a spinning frame

1986-02-14

1986-12-16

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Doffing or donning

57275, 57276, 57278, 57299, 57305, 242 355A, D01H 904, D01H 914, D01H 138, D01H 140

Patent

active

046286861

ABSTRACT:
A doffing method in a spinning frame or the like comprises steps of holding a spinning bobbin after completion of winding with a holding member, removing the spinning bobbin from a spindle without bunch winds, fitting the spinning bobbin onto a bobbin conveying medium having an air path, cutting the yarn and sucking air within the spinning bobbin through the air path of the bobbin conveying medium to attract an end of the yarn adjacent the spinning bobbin into the spinning bobbin under the guidance of the holding member.

REFERENCES:
patent: 3398521 (1968-08-01), Bell et al.
patent: 3511041 (1970-05-01), Korikovsky et al.
patent: 3905184 (1975-09-01), Takai et al.
patent: 4036001 (1977-07-01), Tamai et al.
patent: 4181228 (1980-01-01), Hashimoto et al.
patent: 4435952 (1984-03-01), Stahlecker et al.
patent: 4463909 (1984-08-01), Kiriake et al.
patent: 4472931 (1984-09-01), Stahlecker
patent: 4571931 (1986-02-01), Kupper

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