One-piece child resistant closure

Details One-piece child resistant closure One-piece child resistant closure

1981-11-02

1983-02-01

Hall, George T.

Dispensing

With lock or fastening seal

Plural

215211, 215235, 220339, 222543, 222517, B65D 4708

Patent

active

043710956

ABSTRACT:
A one piece child resistant closure for containers in which the closure is permanently attached to a container and dispensing of the container contents is through an orifice closed and sealed by a plug. Removing the plug from the orifice requires pressing of the closure in a specific location to expose an edge of a hinged cover permitting gripping and swinging of the cover member and plug to a fully opened position. During pressing to expose a lifting edge, the plug remains in sealing engagement with the dispensing orifice.

REFERENCES:
patent: 4022352 (1977-05-01), Pehr
patent: 4124151 (1978-11-01), Hazard
patent: 4172540 (1979-10-01), Erichson
patent: 4220262 (1980-09-01), Uhlig et al.
patent: 4236653 (1980-12-01), Gach
patent: 4244495 (1981-01-01), Lorscheid et al.

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