Flexible bags – With closure – Rib and groove
Reexamination Certificate
1998-11-06
2001-06-19
Pascua, Jes F. (Department: 3727)
Flexible bags
With closure
Rib and groove
C024S400000
Reexamination Certificate
active
06247844
ABSTRACT:
FIELD OF THE INVENTION
The present invention generally relates to closure arrangements for polymeric packages and, in particular, to resealable slider closure mechanisms for resealable packages.
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.
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 types of resealable closure mechanisms are opened and closed using slider closure mechanisms. Typical rescalable slider closure mechanism designs include a separator or plow-type structure at one end that opens the mechanism when the slider travels in one direction along the mechanism. The side walls of the slider are tapered at the opposite end so as to close the mechanism when the slider travels along the mechanism in the opposite direction. Side seals on the side of the resealable closure mechanism keep the slider from sliding off the package in either direction.
Concerns are raised regarding resealable slider closure mechanisms. One such concern is that attaching the slider to the closure mechanism can be difficult because the plow must be fitted between and under the closure profiles.
SUMMARY OF THE INNVENTION
In one aspect of the present invention, one example embodiment involves a closure arrangement for use with a package. The closure arrangcment includes first and second closure profiles each having a base strip and an interlocking closure member. The interlocking closure members of the first and second closure profiles are designed to selectively engage. The closure arrangement also includes a slider having a top piece and a plow having a top end and a bottom end. The top end is adapted for attachment to the top piece of the slider. The slider and the plow are designed to form a first cavity for receiving the first and second closure profiles, to slide along the first and second closure profiles in a first direction to cause the first and second closure profiles to engage, and to slide along the first and second closure profiles in a second direction to cause the first and second closure profiles to disengage.
In another embodiment of the present invention, a resealable package includes first and second panel sections joined together to define an enclosed region, first and second opposite side edges, a top edge, and a mouth that provides access to the enclosed region. The resealable package also includes a closure arrangement for selectively opening and sealing the mouth. The closure arrangement has structure as previously described herein.
In yet another embodiment of the present invention, a method of manufacturing a resealable package having first and second opposing panel sections is provided. The method includes the steps of placing the first panel section adjacent to the second panel section; sealing a plurality of edges of the first panel section to corresponding edges of the second panel section; placing a resealable closure mechanism between an unsealed edge of the first panel section and a corresponding unsealed edge of the second panel section, the resealable closure mechanism extending between a first side edge of the package and a second side edge of the package; and securing the resealable closure mechanism to the first and second panel sections. The closure arrangement includes structure as previously described herein.
The above summary of the present invention is not intended to describe each illustrated embodiment or every implementation of the present invention. The figures and the detailed description that follow more particularly exemplify these embodiments.
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Petkovsek Gregory L.
Tomic Mladomir
Pascua Jes F.
Reynolds Consumer Products Inc.
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