Core plug

Details Core plug Core plug

1982-09-30

1984-07-17

Moy, Joseph Man-Fu

Special receptacle or package

For roll or reel

With end protector

220284, 220285, 220307, B65D 3900

Patent

active

044600879

ABSTRACT:
A solid core plug formed from wood, plastic, or a composite molded wood material having a substantially cylindrical shape with a body portion and an integral tapered forward portion. The core plug may include a single, tapered ridge element on the outer surface of the body portion for accomodating cores having varying internal diameters within a given nominal size; a core plug removal opening located at its outer surface for increased strength; and, an integral ramp surface and recessed area in the end thereof for accomodating a curved bar removal tool.

REFERENCES:
patent: 1492248 (1924-04-01), Hachmann
patent: 1719224 (1929-07-01), Haase
patent: 1871907 (1932-08-01), Olt
patent: 1899565 (1933-02-01), Gredeil
patent: 1905653 (1933-04-01), Schranz
patent: 3046853 (1962-07-01), Legendre
patent: 3396269 (1968-08-01), Sorenson
patent: 3674295 (1972-07-01), Padovani
patent: 4303176 (1981-12-01), Swartzbaugh

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