MX2008004062A - Reclosable multi-compartment package. - Google Patents

Reclosable multi-compartment package.

Info

Publication number
MX2008004062A
MX2008004062A MX2008004062A MX2008004062A MX2008004062A MX 2008004062 A MX2008004062 A MX 2008004062A MX 2008004062 A MX2008004062 A MX 2008004062A MX 2008004062 A MX2008004062 A MX 2008004062A MX 2008004062 A MX2008004062 A MX 2008004062A
Authority
MX
Mexico
Prior art keywords
panel
closure
strip
sealing panel
package
Prior art date
Application number
MX2008004062A
Other languages
Spanish (es)
Inventor
Cory Klaiber Vanloocke
Kadir Karul
Original Assignee
Kraft Foods Holdings Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to US11/692,025 priority Critical patent/US20080240628A1/en
Application filed by Kraft Foods Holdings Inc filed Critical Kraft Foods Holdings Inc
Publication of MX2008004062A publication Critical patent/MX2008004062A/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52Details
    • B65D75/58Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5855Peelable seals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B29/00Packaging of materials presenting special problems
    • B65B29/10Packaging two or more different substances isolated from one another in the package but capable of being mixed without opening the package, e.g. forming packages containing a resin and hardener isolated by a frangible partition
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B61/00Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/18Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for making package-opening or unpacking elements
    • B65B61/188Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for making package-opening or unpacking elements by applying or incorporating profile-strips, e.g. for reclosable bags
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00Details of, or accessories for, sacks or bags
    • B65D33/16End- or aperture-closing arrangements or devices
    • B65D33/25Riveting; Dovetailing; Screwing; using press buttons or slide fasteners
    • B65D33/2591Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener and operated with a slider
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52Details
    • B65D75/58Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5805Opening or contents-removing devices added or incorporated during package manufacture for tearing a side strip parallel and next to the edge, e.g. by means of a line of weakness
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52Details
    • B65D75/58Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5827Tear-lines provided in a wall portion
    • B65D75/5833Tear-lines provided in a wall portion for tearing out a portion of the wall
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/32Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging two or more different materials which must be maintained separate prior to use in admixture
    • B65D81/3261Flexible containers having several compartments
    • B65D81/3266Flexible containers having several compartments separated by a common rupturable seal, a clip or other removable fastening device
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00Making flexible containers, e.g. envelopes or bags
    • B31B70/74Auxiliary operations
    • B31B70/81Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B70/813Applying closures
    • B31B70/8131Making bags having interengaging closure elements
    • B31B70/8132Applying the closure elements in the machine direction
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2575/00Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
    • B65D2575/52Details
    • B65D2575/58Opening or contents-removing devices added or incorporated during package manufacture
    • B65D2575/586Opening or contents-removing devices added or incorporated during package manufacture with means for reclosing

Abstract

A reclosable, multi-compartment package for storing foodstuff separately in at least two compartments which are combined upon opening is disclosed, and methods of use and manufacture thereof. The package also provides for mixing of the separated foodstuff upon opening of the package just prior to use. The opening of the package further includes a reclosable structure. Upon opening the package, the frangible seals are separated thus combining the at least two compartments into one compartment.

Description

CLOSURE INDICATOR OF INTEGRITY OF PACKAGING Field of the Invention The present invention relates to a resealable closure for packages storing articles and, more particularly, to resealable closures having a packing integrity indicator. Background of the Invention Some containers for food products, such as biscuits and other snacks, typically include an outer wrapper. In a type of container, the envelope surrounds a frame that acts as a tray to hold the food product and protect the food product from damage.

Other food products are packaged in plastic trays, such as thermoformed trays that are sealed at the top using some type of cover material. A recent advance in the field of closures for food containers includes a resealable closure disclosed in US Patent 6,918,532 (hereinafter "the '532 patent"), incorporated herein by reference, disclosing a wrapper which forms an upper part of the container, which upper part has an access opening covered by a sealing panel capable of being resealed. In the field of packaging, different structures to indicate if a package has been previously opened or if the integrity of the package has been compromised, which structures are often referred to in the material as "evident manipulation". For example, a recent closure integrity indicator is disclosed in the patent application US 11 / 500,497, hereinafter "the application '497", and incorporated herein by reference, which shows a closure comprising a two-layer material having an inner film layer and an outer film layer forming a top of a container. The outer film layer has a sealing panel that covers a portion of the inner film layer which, with the sealing panel, forms an opening. The packaging integrity feature comprises a panel of the inner film layer that is separated from the sealing panel to indicate that the closure has been previously opened. There is a need for improvement in the field of packaging integrity indicators for a resealable closure, preferably suitable for use with a resealable closure for containers or packages containing food products. SUMMARY OF THE INVENTION The present invention relates generally to a resealable closure for a container in which the integrity of the packaging is indicated by means of a structure that breaks and / or produces an audible sound when the closure is capable of resealing is open for the first time. The present invention, in one form, comprises a packaging integrity feature having a structure associated with a seal capable of being resealed. The structure of preference produces an audible sound when the resealing closure is opened for the first time. In one form, the structure comprises at least one strip initially fixed to a stationary portion and a movable portion of the resealable closure so that upon opening the resealable closure for the first time, at least one of the walls is broken. the strips, preferably producing an audible sound. The strips may include a weakened portion such as a narrowing at a location along its length. The integrity of the packaging is indicated by an intact strip that can be seen by opening the resealable closure and, conversely, a clothing strip or not intact would indicate that the resealable closure has been previously opened. In a further form, the integrity of the package is evidenced by a window through which it is seen in the seal capable of being resealed, so that a portion is visible through it before the closure is opened for the first time , but not visible through it after the closure has been opened and resealed for the first time. This portion can be one of the strips or it can be a second panel that is separated from the strips.

In yet another form, the structure comprises at least two strips, wherein at least one strip will break at a different time than another or other strips upon opening of the resealable closure, preferably producing at least two separate audible sounds upon breaking. each strip. The integrity feature of the package may further comprise a closure for a package having an upper part, an access opening in the upper part and a sealing panel covering the access opening and sealingly linking the upper part around the access aperture so as to originally seal the package and then, after having opened a first time, be able to seal again against the top. A structure is associated with the reclosable seal, which preferably produces an audible sound when the resealing seal is opened for the first time. Advantageously, the structure produces an audible sound before it is possible to remove an article contained within the package. The present invention, in another form, refers to a packing integrity indicator closure comprising a film layer forming the upper part of a container and having a flap defining an access opening to gain access to the contents of the container and having at least one strip joining the flap to a remaining portion of the upper part. A sealing panel completely covers the flap, including the minus one strip of the film layer. A resealable adhesive, provided on either or both of the sealing panel or the film layer, adheres the sealing panel to the film layer. The sealing panel is releasable from the film layer by pulling the sealing panel back in a release direction and is capable of being closed against the top to seal the access opening when the sealing panel is moved back against the top When the back sealing panel is peeled off for the first time, the at least one strip joining the flap to the top is broken. The packaging integrity indicator closure may also comprise at least one material of two capable comprising an inner layer adhesively bonded to an outer layer and, together, forming an upper part of the container. The inner layer has a first panel, a second panel, and at least one strip joining the first panel to a remaining portion of the upper part of the container. The outer layer has a sealing panel there formed which completely covers the first panel, covers the strip and covers the second panel of the inner layer. The first panel and the sealing panel are permanently joined together to provide an access opening to the container. A releasable adhesive provided around a perimeter of the sealing panel adheres the sealing panel to the inner layer and the second panel. The sealing panel is releasable from the inner layer and is separable from the second panel by pulling the panel sealed back in a detaching direction and capable of being resealed against the top to seal the opening when the sealing panel is moved back against the top. When the closure is opened for the first time, the at least one strip is broken between the first panel and the remaining portion of the upper part of the container. After closing, the second panel is separated from the sealing panel. Advantageously, in one form, the at least one strip is formed integrally with the inner layer. The integrity of the package may also be indicated by misalignment of the holes in the sealing panel with tongue portions after the sealing panel has been opened and resealed. Food items disposed in the container may include, but are not limited to, sweet cookies, crackers, peanuts, cheese, sliced meats, and semi-solid foods. Other features and advantages of the present invention are set forth in or are apparent from the detailed description of the presently preferred embodiments of the invention found below. BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective view of a package including an exemplary closure prior to an initial opening, in accordance with the present invention; Figure 2a is the package of Figure 1, shown in a first partially open condition; Figure 2b is the package of Figure 1, shown in a further partially open condition with respect to that of Figure 2a; Figure 3 is a partial plan view of the closure of Figure 1, as seen from below in its initial condition before opening for the first time according to the present invention; Figure 4 is a partial plan view of the closure of Figure 1, after an initial opening and a reseal, according to the present invention; Figure 5 is a perspective view of another package, including a closure that has been opened, in accordance with the present invention; Figure 6 is a perspective view of another package, including another closure, prior to an initial opening, in accordance with the present invention; Figure 7 is the package of Figure 6, shown in a partially open condition; Figure 8 is a partial plan view of the closure of Figure 6, after an initial opening and a reseal, in accordance with the present invention; Figure 9 is a perspective view of another package, including another closure, shown in a condition partially open; and Figure 10 is a partial plan view of the closure of Figure 9, after an initial opening and a reseal, in accordance with the present invention. Detailed Description With reference to the figures, and in particular to Figures 1-4, the package 10 with the closure 11 is shown, which incorporates a packaging integrity characteristic. The package 10 includes a two-layer envelope comprising a first layer of internal film 12 and a second layer of external film 13, forming an upper surface 14, sides 16, the lower surface (not shown) and crimped ends 18, 19. The inner film layer 12 and the outer film layer 13 are formed of a polymeric film or other flexible material that has been cut, folded or otherwise pressed to define an internal space or receptacle for receiving the desired product, such as products. foodstuffs, to be provided within the package 10. The package 10 may be used to store and distribute food products such as cookies, crackers, cookies or others. The outer film layer 13 may include graphics or other indicia to identify the contents of the package 10. Advantageously, the inner film layer 12 is formed co-extensively and adhesively bonded to the outer film layer 13. During the manufacture of the package 10 , the First layer of internal film 12 is cut with a punch on its side via the first tear line 20, which includes all the dashed lines in Figure 1, except for the second tear line 23. The outer film layer 13 is cut by die on its side via a third tear line 21 and die cuts 25. Internal and external tear lines are disclosed in US Publication 2005/0276525, incorporated herein by reference. The first tear line 20 is formed as a continuous tear line to define a first panel 22. The first tear line 20 also defines a plurality of strips 50, 52, 54. A second tear line 23 forms a second panel 42 which also serves to indicate packaging integrity. The first panel 22 can be separated from the rest of the inner film 12 to expose an opening 24 by which access can be achieved to the contents of the package after the strips 50, 52, 54 (Figures 2a, 2b) have been broken. Each strip 50, 52, 54 is integrally joined, and remains attached to the remaining portion of the inner layer 12 comprising the upper portion 14 at the strip portions 50a, 52a, 54a, respectively, and a portion of the strips 50, 52, 54 remains integrally attached to the first panel 22 in the strip portions 50b, 52b, 54b, respectively. Each strip 50, 52, 54 has a weakened portion defined by a narrowing in the width of the strip in the portions 50c, 52c, 54c, respectively. The narrowing portions 50c, 52c, 54c provide an area of weakness to the respective strip 50, 52, 54, whereby the respective strip breaks into the narrowing portions 50c, 52c, 54c upon opening the closure 11 for the first time. . The strip portions 50b, 52b, 54b are integrally joined to the flap 22 of the first film layer at the strip ends 50d, 52d, 54d, respectively. Advantageously, the die cut 20 forms the strip ends 50d, 52d, 54d in the form of parallel U's, which helps to ensure that the strips 50, 52, 54 do not tear at the strip ends 50d, 52d, 54d and remain integrally attached to the first panel 22 and allow the strips 50, 52, 54 to break into the weakened strip portions, which narrows 50c, 52c, 54c, respectively. The second panel 42 remains integrally attached to the inner film layer 12 at the end 44, even after the package is opened, and the remainder of the second panel 42 falls toward the opening 24, as described in greater detail in the application. 497 The third tear line 21 defines the sealing panel 26 of the outer film layer 13 and the die cuts 25 define a plurality of tongue portions 27 in the sealing panel 26. The sealing panel 26 extends beyond the periphery of the first tear line 20 and the second tear line 23 adjacent the opening 24, so that the sealing panel 26 completely covers and extends beyond the perimeters of the first panel 22, the strips 50, 52, 54, and the second panel 42. As result, the sealing panel 26 completely covers the first panel 22, the strips 50, 52, 54, and the second panel 42. The side of the sealing panel 26 that faces the inner film layer 12, including the portions of tab 27, is coated with a releasable adhesive 28 (see Figures 2a, 2b) so that the sealing panel 26 can be resealable able to seal the inner film layer 12 in a portion adjacent to the first panel 22, and so that the tongue portions 27 remain permanently fixed to the inner film layer 12. Alternatively or together with the releasable adhesive 28, releasable adhesive may be coated on the inner film layer 12 along the outside of the perimeter of the first panel 22. The releasable adhesive may be any pressure sensitive adhesive that allows re-sealing and includes, but is not limited to, the adhesives disclosed in the application US 11 / 029,626, incorporated herein by reference. The sealing panel 26 is provided with a tongue 30 or other grip feature that is not coated with adhesive 28 so that the sealing panel 26 can be peeled back from the inner film layer 12 to open the package 10.

Advantageously, the sealing panel 26 has a window portion through which it is seen lying on the second panel 42 of the inner film layer 12 before the package is opened for the first time, which allows visually observing the second panel 42 adhered thereto once the package 10 is being opened for the first time and observing the absence of the second panel 42 attached to the sealing panel 26 after the package 10 has been opened to indicate the integrity of the packaging, as described in the '497 application. Referring now specifically to FIGS. 2a, 2b and FIG. 3, the package 10 is opened by grasping the tab 30 and releasing the sealing panel 26 back in the direction of detachment, as indicated by the arrow 33 (FIGS. 2a, 2b). As the sealing panel 26 is released back for the first time, the first panel 22 is separated from the remainder of the inner film layer 12, including the second panel 42 and a portion of the strips 50, 52, 54, along the the tear line 20 of the first film layer. The strip portions 50a, 502a, 54a remain integrally attached to the remaining portion of the inner film layer 12, and strip portions 50b, 52b, 54b remain integrally attached to the first panel 22 (Figure 3). In addition, the tongue portions 27 are separated from the sealing panel 26 and remain attached to the inner film layer 12 due to the adhesive 28, thereby forming holes 32 in the sealing panel 26 (Figures 2 and 3).

Initially, upon opening of the closure 11, the strip portions 50a, 52a, 54a are separated from the sealing panel 26 while the strip portions 50b, 52b, 54b remain attached to the sealing panel 26, as shown in Figure 2a. At some point when the sealing panel 26 is released back, the strip 52 preferably first breaks into the strip portion 52c which narrows while the strips 50 and 54 remain intact (Figure 2a). When strip 52 breaks, an audible sound is produced, such as a click. As shown in Figures 2a and 2b, the strips can be spaced a smaller distance than the larger dimension of the content, shown for example in Figures 2a and 2b as a sweet cookie 58, so that in practice before it is broken the strip 52, the spacing between the strip is too small for the removal of a sweet cookie 58. Pulling the sealing panel 26 further in the direction of the arrow 33 further opens the closure 11 and eventually the strips 50 and 50 are broken. 54 in the strip portion that narrows 50c, 54c, respectively. When each strip breaks, an audible sound occurs, such as a click. Advantageously, the narrowing strip portion 50c, 54c are in the same respective position along the strips 50, 54 so that the strips 50 and 54 break at the same time, thereby producing a simple audible sound or unified As the strip 52 breaks before the strips 50, 54, two audible sounds are produced, one when the strip 52 is broken, and a second sound when the strips 50 and 54 are simultaneously broken. The integrity of the package is indicated by the closure 11 by various novel features incorporated in the closure 11. The integrity of the package is indicated visually by observing that the integrally joined, intact strips 50, 52, 54, which advantageously break upon opening the closure 11 a distance sufficient to allow removal of the contents therein, thereby indicating integrity of the package. In addition, the integrity of the packaging is indicated by audible sounds produced when the strips are broken, whereby the audible sound indicates that the package is being opened for the first time. In addition, the integrity of the package is indicated by the visual indication of a portion 34 of the sealing panel 26, which may be shown as black profile letters with the word "SEALED", and a portion 36 of the internal film layer 12 encompassing a portion of the panel 22, shown as being gray, which can be seen through the window portion 29 before the closure 11 is first opened (FIG. 1), and a middle portion of the word "SEALED", having a gap 46, which exists because the second panel 42, which was present and intact before the package opened for the first time, has now fallen into the package and is not visible in the hollow area 46. The hollow area 46 in this way is shown as unshaded after the closure has been opened and resealed (figure 4). In addition, as the sealing panel 26 does not generally return to its exact original position, but instead becomes slightly misaligned relative to its original position, the integrity of the packing is indicated by such misalignment of the holes 32 of the sealing panel with the tongue portions 25 after the sealing panel has been opened and resealed (Figure 4). Referring to Figure 5, elements similar to those in the embodiment of Figures 1-4 are increased by 100. The package 110 comprises a thermoformed tray 60 which forms the sides 116 and the ends 61, 62. A two-layer film material, comprising an inner film layer 112 and an outer film layer 113, is sealed to the flange 63 of the thermoformed tray 60. Like the package 10, pulling back the tongue 130 separates the sealing panel 126 of the outer film layer 113 and separates the first panel 122 from the inner film layer 112, the portions of the strips 150, 152, 154, and the second panel 142. After it has been opened at one time first the package 110, the strips 150, 152, 154 will break into the narrowing strip portions 150c, 152c, 154c, producing an audible sound upon breaking and providing a visual indication of the integrity condition of the package the package has been previously opened, as shown in figure 5.

The package 110 can be used for various food products, such as cheese, sliced meats, and the like. In addition, the package 110 can be used for semi-solid products, such as pudding and yogurt. Although the package 110 is sketched as having a rectangular shape, the package 110 can have any shape, including cylindrical and irregular. The inner and outer film layers 112, 113 may be formed of the same material as the layers 12, 13, including polypropylene, polyethylene, cellophane or any other suitable polymeric material to form a packing housing. Referring now to Figs. 6-8, similar elements of the embodiment of Figs. 1-4 are increased by 200. The sealing panel 226 has an advantage portion seen therethrough 229 lying on the strip 254 of the inner film layer 212 before the package 210 is opened for the first time, which allows to visually observe the strip 254 adhered thereto before the package 210 is opened for the first time. As the package 10, pulling back on the tab 230 separates the sealing panel 226 from the outer film layer 213 and separates the first panel 222 from the inner film layer 22 and portions of the strips 250, 252 and 254. After that the gasket 210 has been opened for the first time, the strips 250, 252, 254 will break into the narrowing portions of the strip 250c, 252c, 254c, producing an audible sound upon breaking, and providing a visual indication of the state of integrity of the package that the package has been previously opened, as shown in Figure 7. In addition, the state of integrity of the package is evidenced by the absence of portions of the strip 254 attached to the sealing panel 226 after it is has opened the package 210. Referring now specifically to Figure 8, the state of integrity of the package is also indicated by the visual indication of a portion 234 of the sealing panel 226, which can be shown as black profile letters with the word "SEALED", before the closure 211 is opened for the first time (figure 6), and a middle portion of the word "SEALED", which has a gap 246, which hollow exists because the strip 254 that was present and intact before the package was opened for the first time has now fallen towards the package and is not visible in the gap 246. The gap 246 in this manner is shown as not shaded after the closure has been opened and returned to seal ( figure 8). In addition, like the gasket 10, the state of integrity of the gasket is indicated by a slight misalignment of the holes 232 of the sealing panel with the tongue portions 225 after the sealing panel 226 has been opened and resealed ( figure 8) in a manner similar to the package 10. Referring now to figures 9 and 10, according to another embodiment, the package 310 has a single strip 352 located in a middle portion of the opening 324. The package 310 It is designed to accommodate a single row of food products, such as sweet cookies 358. The tear lines 323a and 323b form a pair of integrity indicator panels 342a, 342b, respectively. When the package 310 is opened for the first time, the panels 342a, 342b remain integrally attached to the inner film layer 312 at the end 344a, 344b, even after the package 310 is opened, and the rest of the panels 342a, 342b falls into the opening 324, as described in greater detail in the '497 application. The package 310 includes a sealing panel 326 with a pair of advantageous portions seen therethrough 329a, 329b, which lie on the panels 342a, 342b, respectively, of the inner film layer 312 before the package 310 be open for the first time. The windows through which 329a, 329b can be seen allow visually observing the panels 342a, 342b adhered to them before the gasket 310 is opened for the first time and observing the absence of the sealing panels 342a, 342b attached to the sealing panel 326 after the package 310 has been opened to indicate the integrity status of the package. Once the package 310 has been opened and re-sealed, the integrity status of the package is evidenced by the absence of the panels 342a, 342b attached to the sealing panel 326 in a manner similar to that indicated for the second panel 42 in the packaging 10. In addition, like the packaging 10, the integrity of the packing 310 can be observed by a misalignment of the holes 332 of the sealing panel with the tongue portion 325 after the sealing panel 326 has been opened and resealed (figure 11). The integrity status of the additional package is provided by an audible sound when the strip 352 breaks when the package 310 is opened for the first time. The present invention specifically shows embodiments with three rows of food products (such as sweet cookies) with three strips and a single row of food products (such as sweet cookies) and a single strip. It will be understood that the invention is applicable to packages with any number of rows of food products, where the number of strips will be selected as desired, considering the number of rows of food products, the width of the package and the desired spacing of the strips. Likewise, packages of different sizes can employ any desired number of windows, whether such windows lie on seconds or third panels or on one or more strips. In addition, the food products may be arranged in rows through the package, or the food product may not involve rows, such as for peanuts. In any of these arrangements, the present invention may include any suitable number of strips and / or any suitable number of sealed windows. As will be evident to a technician in the field, the The packing integrity feature of the closure of the present offers benefits over prior evident packaging or tampering integrity characteristics.

Claims (33)

  1. CLAIMS 1. A packaging integrity feature, comprising: a structure associated with a reclosable closure of a container, said structure producing an audible sound when the resealing closure is opened for the first time. The packing integrity feature of claim 1, wherein the structure comprises at least one strip initially fixed to two portions comprising the resealable closure, so that upon opening for the first time the closure capable of being resealed seal, break at least one strip, thereby producing an audible sound. The packaging integrity feature of claim 2, comprising at least two strips, and where each strip is broken at a different time when opening the seal capable of being resealed to thereby produce two separate audible sounds upon opening the closure able to reseal. The packing integrity feature of claim 2, comprising at least two strips, and wherein each strip breaks in succession upon opening of the resealable closure upon opening of the seal capable of being resealed for the first time. 5. The packaging integrity feature of claim 2, wherein said sealing panel comprises a window portion that allows to see through it that lies on the at least one strip before the resealing closure is opened for the first time. 6. The packaging integrity feature of claim 2, wherein the at least one strip includes a weakened portion. The packing integrity feature of claim 6, wherein the weakened portion is in the form of a narrowing of a portion of the strip. The packing integrity feature of claim 1, wherein an intact strip provides an indication that the closure has not been opened and a separate strip provides an indication that the closure has been previously opened. 9. A package having a packing integrity closure, comprising: an upper part, an access opening in the upper part and a sealing panel covering the access opening and sealingly linking the upper part around the access opening so as to originally seal the package and then, after having been opened for the first time, be able to reseal against the top, and a structure associated with a resealable closure, such structure producing an audible sound when the resealing closure is opened for the first time. 10. The package of claim 9, wherein the structure produces an audible sound before it can remove an article contained in it. The package of claim 9, wherein the sealing panel comprises at least one tongue portion that separates from the sealing panel upon opening of the resealable closure for the first time, and remains fixed to the upper part, for thereby forming a hole in the sealing panel such that, upon resealing of the sealing panel with the upper part, the hole is misaligned with the tongue portion. The package of claim 9, wherein the structure comprises at least one strip fixed to both the upper part and the sealing panel, which is broken upon initial opening of the package, to provide an indication that the package has been previously opened The package of claim 12, wherein an audible sound is produced when the strip is broken to indicate that the package is being opened for the first time. The package of claim 12, comprising at least two strips, and wherein each strip is broken at a different time upon the occurrence of the opening of the seal capable of being resealed, thereby producing two separate audible sounds upon opening of the seal. able to reseal. 15. The package of claim 12, comprising at least two strips, and wherein each strip is broken in succession upon the occurrence of the opening of the seal capable of being resealed at the the opening of the seal can be resealed for the first time. 16. The package of claim 12, wherein the spacing between the strips, before breaking any of them, is sufficiently small so that products in the container can not be removed from the container between the strips. 17. The package of claim 12, wherein the strip comprises a weakened portion, whereby the strip is broken before a product contained within the package can be removed. The package of claim 12, wherein the sealing panel comprises a window portion through which it is seen, which lies on the at least one strip before the resealable closure is opened for the first time . 19. A packing integrity indicator closure, the closure comprising: a film layer forming the upper part of a container and having a flap defining an access opening to gain access to the contents of the container, and having at least one strip which attaches the flap to a portion of the upper part; a sealing panel that completely covers the flap of the film layer; and a releasable adhesive provided in either or both of the sealing panel or the film layer to adhere the sealing panel to the film layer, the sealing panel being releasable from the film layer by pulling the sealing panel back in a detachable and resealable direction against the upper part to seal the access opening when the sealing panel is moved back against the upper part, where, upon detaching the sealing panel back for the first time, the at least one strip joining the flap to the top 20. The packing integrity indicator closure of claim 19, wherein the at least one strip comprises a weakened portion. 21. The gasket integrity indicator closure of claim 19, wherein the flap and at least one strip are formed integrally with the film layer. 22. The gasket integrity indicator closure of claim 21, wherein the flap and at least one strip are die cut from the film layer. The package of claim 19, wherein the sealing panel comprises at least one tongue portion that separates from the sealing panel upon opening of the resealable closure for the first time, and remains fixed to the upper part, so as to with this form a hole in the sealing panel, such that, upon re-sealing the sealing panel with the part upper, the hole is misaligned with the tongue portion. The package of claim 19, wherein the sealing panel comprises a window portion through which it is seen, which lies on the at least one strip before the resealable closure is opened for the first time. . 25. An integrity indicator closure for a container, comprising: a material of at least two layers comprising an inner layer unit adhesively to an outer layer and forming an upper part of the container; said inner layer having a first panel, a second panel, and at least one strip joining the first panel to a remnant portion of the upper part of the container, said outer layer having a sealing panel there formed that completely covers the first panel and covers the strip and the second panel of the inner layer, said first panel and said sealing panel being permanently joined together to provide an access opening to the container; and a releasable adhesive provided around a perimeter of said sealing panel for adhering said sealing panel to said inner layer and said second panel, said sealing panel being releasable from said internal and separable layer of the second panel by pulling the sealing panel toward back in a detaching direction and capable of being reclosed against said upper part to seal said opening when said The sealing panel is moved back against said upper part, whereby, when the closure is opened for the first time, the at least one strip is broken between the first panel and the remaining portion of the upper part of the container, and thereby , after closing, the second panel is separated from the sealing panel. 26. The integrity indicator closure of claim 25, wherein said at least one strip is formed integrally with said inner layer. 27. The integrity indicator closure of claim 25, wherein said second panel is constructed to fall into said container when said sealing panel is detached for the first time. The integrity indicator closure of claim 25, wherein the inner layer further comprises a third panel and the outer layer completely covers the third panel, whereby, upon first opening the closure, the third panel is separated from the third panel. sealing panel. 29. The integrity indicator closure of claim 28, wherein said sealing panel comprises a window portion through which it is seen, lying on said second panel and said third panel of said internal layer before said closure is opened. for the first time 30. The closing integrity indicator of the claim 25, wherein said sealing panel comprises a window portion through which it is seen, lying on said second panel of said inner layer, before said closure is opened for the first time. 31. The integrity indicator closure of claim 25, wherein said second panel falls away from the plane of said opening, after the sealing panel is detached from said inner layer for the first time. 32. The integrity indicator closure of claim 25, further comprising food products disposed in the container, said food products selected from the group consisting of sweet cookies, crackers, peanuts, cheese, sliced meats, and semi-solid foods. 33. The integrity indicator closure of claim 25, wherein the sealing panel comprises at least one tongue portion that separates from the sealing panel when the closure is opened for the first time, and remains fixed to the upper part, thereby forming a hole in the sealing panel such that, upon resealing of the sealing panel with the top part, the hole is misaligned with the tongue portion.
MX2008004062A 2007-03-27 2008-03-26 Reclosable multi-compartment package. MX2008004062A (en)

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