Tamper-evident closure arrangements and methods

Details Tamper-evident closure arrangements and methods Tamper-evident closure arrangements and methods

1998-06-30

1999-07-27

Garbe, Stephen P.

Flexible bags

Tamper indicating

383 63, 383211, 383 93, 493214, B65D 3330, B65D 3334

Patent

active

059278552

ABSTRACT:
A tamper evident package includes a closure arrangement having a lockable orientation and an unlockable orientation. The lockable orientation includes a first closure member secured to a first package wall, and a second closure member secured to a second package wall. Preferably, the first closure member is secured to the first wall with a peelable sealing arrangement. The unlockable orientation includes the first closure member being separated or peeled from the first wall. The closure arrangement is transformed from the lockable orientation to the unlockable orientation in response to a pulling force separating the first closure member from the first wall. In some arrangements, the peelable sealing arrangement is pigmented to provide a visual indication that the package has been opened after an initial sealing of the closure arrangement. Methods for constructing and using a flexible package are provided herein.

REFERENCES:
patent: 3338284 (1967-08-01), Ausnit
patent: 3780781 (1973-12-01), Uramoto
patent: 4615045 (1986-09-01), Siegel
patent: 4791710 (1988-12-01), Nocek et al.
patent: 4947525 (1990-08-01), Van Erden
patent: 4964739 (1990-10-01), Branson et al.
patent: 5185909 (1993-02-01), Inagaki
patent: 5188461 (1993-02-01), Sorensen
patent: 5474382 (1995-12-01), May
patent: 5603995 (1997-02-01), Takubo et al.

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