Reclosable packages with two-dimensional zipper attachement

a zipper attachment and package technology, applied in the field of zippers, can solve the problem that the ffs machine cannot be modified to provide equipment, and achieve the effect of reducing the number of ffs machines

Inactive Publication Date: 2006-12-21
ILLINOIS TOOL WORKS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0012] The present invention is directed to a reclosable package having a two-dimensional zipper attachment on the exterior of one wall. The zipper comprises a pair of zipper strips that have straight central sections and end sections that curve or bend, diverging from the straight central section. Directly below the interface of the zipper profiles, the wall has a l

Problems solved by technology

Many existing form-fill-seal (FFS) machines operate on bag making film and do not incorporate equipment for attaching zipper assemblies to the bag making film.
Although the packager may need to modify his FFS machine to handle ba

Method used

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  • Reclosable packages with two-dimensional zipper attachement
  • Reclosable packages with two-dimensional zipper attachement
  • Reclosable packages with two-dimensional zipper attachement

Examples

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Embodiment Construction

[0021] A reclosable package having a two-dimensional zipper attachment in accordance with one embodiment of the invention is depicted in FIGS. 1 and 2. The package comprises a receptacle 2 having an interior volume for containing product and a slider-zipper assembly 4 attached to the exterior of the receptacle. In this embodiment, the receptacle 2 comprises a front wall 10 and a rear wall 12 having upper marginal portions joined at a top seam 14 and lower marginal portions joined at a bottom seam 16 by any conventional means, e.g., conduction heat sealing. The front and rear walls are connected by respective gusseted side walls, only one of which is partially visible in FIG. 1 (indicated by numeral 18). The structure of each gusseted side wall is entirely conventional, each gusset comprising a respective pair of gusset panels connected to each other at a central fold, the other side of one gusset panel being connected to the front wall at another fold and the other side of the other...

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PUM

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Abstract

A reclosable package having a two-dimensional zipper attachment on the exterior of one wall. The zipper comprises a pair of zipper strips that have straight central sections and end sections that curve or bend, diverging from the straight central section. Directly below the interface of the zipper profiles, the wall has a line of weakened tear resistance that can be torn open after the zipper has been opened. A flap portion of the wall, with one of the zipper strips attached to its periphery, can then be folded back to provide a wide opening for accessing the package contents.

Description

BACKGROUND OF THE INVENTION [0001] This invention generally relates to zippers comprising a pair of interlockable strips (e.g., made by extruding plastic material and joined at the ends) for use in reclosable pouches, bags or other packages of the type in which material, such as foodstuff, detergent, etc., may be stored. [0002] Reclosable bags are finding ever-growing acceptance as primary packaging, particularly as packaging for foodstuffs such as cereal, fresh vegetables, snacks and the like. Such bags provide the consumer with the ability to readily store, in a closed, if not sealed, package any unused portion of the packaged product even after the package is initially opened. [0003] Reclosable bags typically comprise a zipper assembly installed in the mouth of the bag. Such zipper assemblies typically comprise a pair of interlockable zipper elements that form a closure. The zipper elements can take on various configurations, e.g. interlocking rib and groove elements having so-ca...

Claims

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Application Information

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IPC IPC(8): B65D33/16B65D30/20B65D33/00
CPCB65D33/2591B65D33/2533B65D33/2583
Inventor HOWELL, CLIFTON RONALDOWEN, KEVINJOHNSON, JOEL L.
Owner ILLINOIS TOOL WORKS INC
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