초록 ▼

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 t

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.

대표청구항 ▼

A pass-through closure, comprising: a circular peripheral supporting rim defining an opening, wherein said rim is substantially flat and circular in configuration and includes a planar area in which is formed a needle hub wrench; a plurality of generally triangular shape panels reinforced by rib mea

A pass-through closure, comprising: a circular peripheral supporting rim defining an opening, wherein said rim is substantially flat and circular in configuration and includes a planar area in which is formed a needle hub wrench; a plurality of generally triangular shape panels reinforced by rib means to be substantially rigid, said panels being hinged at the base thereof to said rim and normally biased and extending inwardly toward the center and axially of said opening forming a generally conical configuration with the apex of each panel being rounded and terminating proximate the center of said opening for closing said opening; and a permanent closure member for selectively engaging said supporting rim for selectively permanently closing said opening.