Screw-in tube with breakable tabs for coil of flexible material

Details Screw-in tube with breakable tabs for coil of flexible material Screw-in tube with breakable tabs for coil of flexible material

1976-06-01

1977-05-10

Gilreath, Stanley N.

Winding, tensioning, or guiding

Wound storage package

Interconvolutionary strand delivery

2421371, 242157R, 242171, B65H 5502

Patent

active

040223990

ABSTRACT:
A tube for insertion into a coil of flexible material wound in a series of figure-8s with a radial opening extending into the axial opening through which the inner end of the material can be drawn out without twist has a flange spaced from its free end and a second flange adjacent the free end with the space between the two flanges being substantially equal to the wall thickness of a container in which the packaged coil is to be enclosed.
The outer flange is interrupted at two points and has an outwardly bent portion. The tube is inserted from the outside into the radial opening of the coil, which is then placed inside the container with the outer end of the tube directed towards an opening in the container, which has notches therein. Upon turning the tube, the outwardly bent portions ride up on the wall of the container, so that the tube can be turned to a position in which the principal part of the outer flange engages against the outside of the wall. The tube is cut off so that it does not project beyond the outer flange. The sloping portions of the outer flange are provided with weakenings adjacent their inner ends, so that upon the assembly of the package these can be broken off and will no longer project from the outside to interfere with handling of the package.

REFERENCES:
patent: 2634922 (1953-04-01), Taylor, Jr.
patent: 2716008 (1955-08-01), Taylor, Jr.
patent: 2738145 (1956-03-01), Taylor, Jr.
patent: 3677490 (1972-07-01), Gordon et al.
patent: 3677491 (1972-07-01), Gerwig
patent: 3985315 (1976-10-01), Newman

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