Bobbin for textile yarns or the like

Details Bobbin for textile yarns or the like Bobbin for textile yarns or the like

1976-02-09

1978-08-22

Mautz, George F.

Winding, tensioning, or guiding

Bobbin or spool

Open-work structure

B65H 7520

Patent

active

041083962

ABSTRACT:
A bobbin for a roll of coiled filamentary textile material has a tubular body which includes circumferentially extending larger-diameter sections alternating with smaller-diameter sections. At least some of the sections are plastically and/or elastically deformable so as to allow for predictable axial shortening and/or reduction of the outer diameter of the roll. The tubular body is permeable to liquids so that a dye or the like can permeate the roll from the outside as well as from within. The sections may constitute convolutions of a helix or discrete rings, and at least the larger-diameter sections may be hollow. The sections may form part of a corrugated tube or they may surround a rigid core whose inner diameter remains constant during axial and/or radial compression of the roll.

REFERENCES:
patent: 974127 (1910-11-01), Daniell et al.
patent: 1966152 (1934-07-01), Taylor
patent: 3313319 (1967-04-01), Osborn et al.
patent: 3330303 (1967-07-01), Fochler
patent: 3563491 (1971-02-01), Hahm et al.
patent: 3640312 (1972-02-01), Bauman et al.
patent: 3658097 (1972-04-01), Martin et al.
patent: 3715454 (1973-02-01), Kleykamp
patent: 3827652 (1974-08-01), Burchette
patent: 3936009 (1976-02-01), Livingstone

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