Winding spool for ribbonlike or filamentary material

Details Winding spool for ribbonlike or filamentary material Winding spool for ribbonlike or filamentary material

1993-01-28

1994-07-19

Gilreath, Stanley N.

Winding, tensioning, or guiding

Bobbin or spool

Double-headed spool

2421187, B65H 7514

Patent

active

053301277

ABSTRACT:
A winding spool for ribbonlike or filamentary winding material includes a cylindrical mandrel which is provided at each axial end with a disk-like rim. Arranged concentrically inside the mandrel is a tubular inner hub which is connected in one piece with the mandrel at one axial end thereof. The other axial end of the mandrel is closed by a cover which is provided with a central bore for attachment of a mandrel drive shaft of a winding machine. An inner tubular member with smooth inside surface is fixedly secured to the cover in elongation of the central bore and to the inner hub for improving integrity of the winding spool when being subjected to extreme loads during winding or unwinding of the material.

REFERENCES:
patent: 1520379 (1924-12-01), Wermine
patent: 1981809 (1934-11-01), Mueller
patent: 2212377 (1940-08-01), Olson et al.
patent: 2286640 (1942-06-01), Olson et al.
patent: 2601660 (1952-06-01), Jarmicki
patent: 2687261 (1954-08-01), Jarmicki
patent: 3468495 (1969-09-01), Starratt
patent: 4607806 (1986-08-01), Yealy
patent: 4997142 (1991-03-01), Grant

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