One-way pass-through closure

Details One-way pass-through closure One-way pass-through closure

1984-11-19

1986-07-15

Norton, Donald F.

Bottles and jars

Closures

With separate applied fastener to hold closure in closed...

215307, 215306, 206366, 220229, A61M 532

Patent

active

046001123

ABSTRACT:
A pass-through closure for disposable receptacles includes a rim for mounting the walls surrounding an opening in a receptacle and a plurality of generally triangular shaped flaps extending inwardly and axially to form a closure having a generally conical configuration enabling passage of articles through the closure in one direction.

REFERENCES:
patent: 3899100 (1975-08-01), Rigaud
patent: 4454944 (1984-06-01), Shillington et al.
patent: 4494652 (1985-01-01), Nelson
patent: 4520926 (1985-06-01), Nelson

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