Membrane piercing closure and spout assembly

Details Membrane piercing closure and spout assembly Membrane piercing closure and spout assembly

1994-03-16

1996-01-09

Shoap, Allan N.

Receptacles

Closures

With closure opening arrangements for means

215220, 222 80, 222 83, 22912515, B65D 1742

Patent

active

054821762

ABSTRACT:
A closure assembly for piercing a diaphragm over a discharge opening in a container comprising a cap of cup-like form having internal thread means and a generally tubular spout member mounted on the container surrounding the diaphragm and a piercing fitment disposed interiorly of the spout member having a series of depending teeth arranged in a circular array and cooperating interengaging means between the spout member and piercing fitment and cap whereby rotational movement of the cap in one direction effects downward displacement of the piercing fitment to pierce the diaphragm.

REFERENCES:
patent: 3156369 (1964-11-01), Bowes et al.
patent: 3407976 (1968-10-01), Homma
patent: 3756444 (1973-09-01), McIntosh
patent: 3817416 (1974-06-01), Costa
patent: 3841513 (1974-10-01), O'Connor et al.
patent: 3843006 (1974-10-01), Naito et al.
patent: 4483464 (1984-11-01), Nomura
patent: 4723689 (1988-02-01), Vallos et al.
patent: 4747501 (1991-05-01), Greaves
patent: 5076493 (1991-12-01), Anderson
patent: 5147070 (1992-09-01), Iwamoto

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