Interlocking cardboard spool assembly

Details Interlocking cardboard spool assembly Interlocking cardboard spool assembly

1975-02-06

1976-05-25

McCarthy, Edward J.

Winding, tensioning, or guiding

Bobbin or spool

Double-headed spool

2421186, B65H 7514

Patent

active

039587754

ABSTRACT:
A spool or drum for holding flexible linear elements, such as cable, hose or long lengths of extruded plastic, is made up of three flat pieces of corrugated cardboard without glue or staples, one piece being the cylindrical body of the spool which is made by rolling up a cardboard sheet formed with suitable projections spaced along its edges, the other two pieces being disk-shaped with suitable spaced perforations to receive the spaced projections so as to hold the three elements securely together in the form of a spool.

REFERENCES:
patent: 335692 (1886-02-01), Fries
patent: 1565655 (1925-12-01), Lefebvre
patent: 2799458 (1957-07-01), Nye
patent: 3876073 (1975-04-01), Herbetko

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