Press bobbin for yarn treatment

Details Press bobbin for yarn treatment Press bobbin for yarn treatment

B - Operations, Transporting

65

H

242/67.1

B65H 75/20 (2006.01) D06B 23/04 (2006.01)

Patent

CA 1298576

PRESS BOBBIN FOR YARN TREATMENT ABSTRACT OF THE DISCLOSURE A press bobbin for yarn treatment formed of a cylindrical wall which is fabricated by blow molding of a synthetic plastic and comprises relatively thin-gage zones and relatively thick-gage zones extending circumferentially and alternately arranged in the axial direction of the bobbin. The cylindrical wall defines an indentation configuration along the axial direction wherein the thin- gage zones correspond to projecting portions and the thick- gage zones to recessed portions. The thick-gage zones are defined with holes for passage of liquid and the thin-gage zones are, when pressed axially, bendable in a U-form to protrude outwardly, thereby to be axially compressible. The relatively thick-gage zones may be provided with rein- forcing members which serve to suppress compression of the bobbin.

537487

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