Self-closing container outlet

Details Self-closing container outlet Self-closing container outlet

1975-08-18

1978-11-07

Tollberg, Stanley H.

Dispensing

Outlet element operated by pressure of contents

Spring form, resilient or compressible flow controller or...

B65D 3700

Patent

active

041241509

ABSTRACT:
The self-closing cap for resilient dispenser-containers to be mounted to the aperture of the neck of the dispenser, comprises a channel member having a flat member issuing from one side of the aperture, parallel to the rectilinear axis of the neck; a reed being a stiffly flexible member fastened parallel to the channel member on the aperture, the reed being mounted to be urged at its uppermost terminal end contiguously with the upper portion of the interior side of the channel member; and means for enclosing the respective sideward edges of the channel member and the reed. A further primary embodiment of the self-closing cap for resilient dispenser-containers to be mounted at the aperture of the neck of the dispenser comprises a pair of reeds mounted parallel to opposing sides of the aperture, the reeds being fabricated of a suitable stiffly flexible material, and the reeds being mounted to be urged together to contiguously contact each other at their upper portions; and means for enclosing the sideward edges of said reeds.

REFERENCES:
patent: 2526629 (1950-10-01), Bourke
patent: 2550132 (1951-04-01), Woods
patent: 3565106 (1971-02-01), Baumbach
patent: 3566964 (1971-03-01), Livingston

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