Flexible bags – Tamper indicating
Reexamination Certificate
2000-05-04
2001-09-11
Pascua, Jes F. (Department: 3727)
Flexible bags
Tamper indicating
C383S064000, C383S202000, C383S203000, C024S399000
Reexamination Certificate
active
06287000
ABSTRACT:
FIELD OF THE DISCLOSURE
The present disclosure generally relates to closure arrangements for packages. In particular, the present disclosure relates to closure arrangements having recloseable profiles and slider devices to open and close the profiles.
BACKGROUND
Many packaging applications use resealable containers to store various types of articles and materials. These packages may be used to store and ship food products, non-food consumer goods, medical supplies, waste materials, and many other articles. Slider devices have been used to help open and close closure profiles on recloseable and/or resealable bags and other packages.
Resealable packages are convenient in that they can be closed and resealed after the initial opening to preserve the enclosed contents. The need to locate a storage container for the unused portion of the products in the package is thus avoided. As such, providing products in resealable packages appreciably enhances the marketability of those products.
Some perishable goods are sold to consumers packaged in a recloseable bag or package. For example, cheese, meat or vegetable products can be packaged in a bag with recloseable closure profiles so that after opening the package and removing some of the product, the package can be re-closed. Often these packages include tamper evident features to notify the consumer whether the package previously has been opened. Due to the construction of these packages with recloseable closure profiles, it has been difficult to place tamper evident features on a bag or package that includes a slider device to help open and close the recloseable closure profiles.
Improvements in packaging, that includes tamper evident features and easily recloseable seals, are desirable.
SUMMARY OF THE DISCLOSURE
The present disclosure relates to a package, such as a flexible bag, having a combination of a resealable, recloseable zipper closure mechanism and a tamper evident seal. The tamper evident seal is attached to each half of the zipper mechanism (i.e., the second profile member and the first profile member). Opening and closing of the zipper closure mechanism is accomplished by a slider device mounted on the zipper closure mechanism. The slider device facilitates mating and unmating of the first and second profile members of the zipper closure. Access to the interior of the package cannot be gained until the zipper closure has been opened and the tamper evident seal has been breached, which is accomplished by a cutting mechanism on the slider device.
In particular, the present invention relates to a package comprising a package enclosure having at least two sides defining a package interior, and a mouth, the mouth providing access to the package interior. A recloseable zipper closure having first and second closure profiles extending along the mouth selectively opens and closes the mouth. Typically, the first and second closure profiles have engageable first and second closure profile members. A tamper evident seal is attached to both the first closure member and to the second closure member, so as to seal access to the engageable closure profile members and thus the package interior. The slider device, in addition to being configured and constructed to selectively open and close the mouth, has a mechanism or device configured and constructed to open the tamper evident seal; this device may be a cutting device that slits or punctures the tamper evident seal. A method of opening a package is also provided.
REFERENCES:
patent: 2994469 (1961-08-01), Troup et al.
patent: 5167608 (1992-12-01), Steffens, Jr. et al.
patent: 5211482 (1993-05-01), Tilman
patent: 5669715 (1997-09-01), Dobreski et al.
patent: 5911508 (1999-06-01), Dobreski et al.
patent: 5964532 (1999-10-01), St. Phillips et al.
patent: 0485741 (1992-05-01), None
patent: 093011051 (1993-06-01), None
Pascua Jes F.
Reynolds Consumer Products Inc.
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