Textile bobbin

Details Textile bobbin Textile bobbin

1985-03-04

1986-12-30

Levy, Stuart S.

Winding, tensioning, or guiding

Bobbin or spool

Cop-tube type

24211832, B65H 7510, B65H 7520

Patent

active

046323325

ABSTRACT:
A plastic bobbin consisting of a hollow cone defined by a thin-walled sheath includes an inner skeletal frame of longitudinally-spaced circumferential ribs and radially-spaced longitudinal ribs defining an inner support surface for a mandrel with a sheath having segments of varying wall thickness and the outer surface having constant taper with respect to the bobbin axis. Some of the longitudinally-extending ribs may be partial ribs defined in each of the segments, the bobbin has a helical ridge of a particular trapazoidal cross-sectional to provide a guiding surface for the yarn being wound thereon.

REFERENCES:
patent: 2273373 (1942-02-01), Perry
patent: 3141631 (1964-07-01), Krebs
patent: 3361381 (1968-01-01), Livingstone
patent: 3450370 (1969-06-01), Hawkins
patent: 3532291 (1970-10-01), Newman
patent: 3900168 (1975-08-01), Hamilton
patent: 4519557 (1985-05-01), Newman

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