Stress concentrator aperture-forming means for sealed containers

Details Stress concentrator aperture-forming means for sealed containers Stress concentrator aperture-forming means for sealed containers

1992-03-10

1995-03-07

Huson, Gregory L.

Dispensing

With frangible closure for outlet

222 94, 222107, 206469, 206824, B65D 4710

Patent

active

053950313

ABSTRACT:
A stress concentrator aperture-forming structure for containers or packages for flowable products, which allows controlled dispensing of the flowable products with one hand. The stress concentrator includes a substantially flat, relatively stiff sheet, one or more elongated, thin-walled, generally channel-shaped protrusion members, and a fault area crossing one or more of the protrusion members. An enclosed pouch containing the flowable products may also be attached to the stress concentrator. Rupturing the stress concentrator protrusion members across the fault line forms an aperture-forming pattern, which upon application of pressure to the container or package expands to form a larger aperture. Alternate embodiments of the present invention incorporate the rupturable stress concentrator onto containers or dispenser packages for use with a wide variety of products. Another embodiment incorporates the stress concentrator inside a pouch having a slit opening, whereby upon rupturing the stress concentrator the product is dispensed through the stress concentrator and the slit opening.

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