Apparatus and method for molding three dimensional articles

Details Apparatus and method for molding three dimensional articles Apparatus and method for molding three dimensional articles

1990-06-21

1991-11-12

Nicholson, Eric K.

Closure fasteners

Seals

Rigid shackle ends

292320, 292328, 24 16PB, B65D 3334, B65D 6300

Patent

active

050642316

ABSTRACT:
A uni-directional lock having a body portion having two passageways extending therethrough and each having an internal indentation, an entrance portion and an exit portion and a link portion having an enlarged head portion and two integral leg portions each having a flexible portion having a hook projecting outwardly therefrom wherein the hook and the exit portion are dimensioned to prevent entry of the hook through the exit portion into the body portion or the flexible portion comprises two separate sections or the flexible portion is provided with structure so that it is frangible to form two separate sections.

REFERENCES:
patent: 1943988 (1934-01-01), Peake
patent: 1964013 (1934-06-01), Wenk
patent: 1964015 (1934-06-01), Wenk
patent: 3367701 (1968-02-01), Wenk, Jr.
patent: 3718355 (1973-02-01), Canter
patent: 3730578 (1973-05-01), Gerlach
patent: 4106802 (1978-08-01), Lozio
patent: 4420857 (1983-12-01), Clay
patent: 4559676 (1985-12-01), Paradis
patent: 4676535 (1987-06-01), Mautner
patent: 4854014 (1989-08-01), Ueno
patent: 4878702 (1989-11-01), Madsen et al.

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