Reclosable dispenser package, reclosable outlet forming structur

Receptacles – Closures – With closure opening arrangements for means

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220278, 220375, 215 47, 215 48, 215 50, 206469, 206484, 222 81, 2225412, 2225418, 2225415, 383202, 383203, 22912515, 22912518, B67B 724, B65D 3700, B65D 4150

Patent

active

060624132

ABSTRACT:
An aperture forming structure, which when attached to or integrally formed in dispenser packages for flowable substances allows reclosure and single or multiple uses. The aperture forming structure includes a break away tip member of thermoformable plastic. The break away tip includes a hollow protrusion from a surface. The intersection of the hollow protrusion and the surface is a fault line. Rupturing of the fault line creates an aperture from which the contents of the dispenser package may exit. A cap may be integrally formed with the aperture forming structure and detached for protecting the hollow protrusion or for closing the aperture created when the fault line is ruptured. The aperture forming structure can be made by heating a relatively stiff substantially flat thermoformable sheet of and then stretching the sheet to create a first and a second hollow protrusion in a tiered configuration. A rupture line is placed at the intersection of the first and the second protrusions. The sheet may be attached to a pouch or containment member formed from a flexible sheet which contains any flowable substance.

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patent: 5826737 (1998-10-01), Zakensberg

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