US20090142006A1 - Multicompartment bag having resealable opposed openings - Google Patents
Multicompartment bag having resealable opposed openings Download PDFInfo
- Publication number
- US20090142006A1 US20090142006A1 US11/947,903 US94790307A US2009142006A1 US 20090142006 A1 US20090142006 A1 US 20090142006A1 US 94790307 A US94790307 A US 94790307A US 2009142006 A1 US2009142006 A1 US 2009142006A1
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- United States
- Prior art keywords
- bag
- separation
- line
- sheet
- compartment
- Prior art date
- Legal status (The legal status 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 status listed.)
- Abandoned
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/16—End- or aperture-closing arrangements or devices
- B65D33/25—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners
- B65D33/2508—Riveting; 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; Sliders therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
- B65D31/12—Bags or like containers made of paper and having structural provision for thickness of contents with two or more compartments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/16—End- or aperture-closing arrangements or devices
- B65D33/25—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners
- B65D33/2508—Riveting; 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; Sliders therefor
- B65D33/2566—Riveting; 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; Sliders therefor using two or more independently operable slide fasteners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D81/00—Containers, 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
- B65D81/32—Containers, 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
- B65D81/3261—Flexible containers having several compartments
Definitions
- the present invention is directed to a multicompartment bag, and in particular, to a multicompartment bag having resealable closures.
- bags have been developed for storing and containing items therein.
- bags have been developed for storing, sorting, organizing, packing, packaging, and preserving various items.
- resealable closures (commonly referred to as a zipper) have been developed that permit the bag to be opened and reclosed.
- resealable closures have been developed that include two strips, one along each side of the bag opening, capable of being squeezed together either manually or by a slider moving over both strips from one end along their lengths to the other end.
- one strip has an undercut groove or series of grooves into which snaps a corresponding male element or series of male elements to form a seal along the opening of the bag.
- Resealable multicompartment bags have also been developed for storing items separately in the same bag.
- multicompartment bags have been developed in which two compartments are disposed in a side-by-side relation and share a common wall.
- the openings of the compartments in such bags are located near the top of the bag for easy access. In most cases these bags tend to perform adequately.
- the resealable closure may not function correctly or the user may have not properly sealed the resealable closure, which can result in spillage of the contents of one or more of the compartments. This problem may be particularly true in the case of multicompartment bags where the openings of each compartment are disposed adjacent to the top end of the bag.
- a further disadvantage of such bags is costs that can be associated with bag construction.
- these bags include at least three panels of sheet material to form a two compartment bag, which can increase the costs associated with making the bag.
- the present invention provides a multicompartment bag comprising a front sheet and a back sheet that are affixed to each other along adjacent peripheral edges, and that includes a line of separation in one of the sheets that defines first and second compartments disposed on opposite sides of the line of separation.
- Each compartment includes an interior space and an opening that is defined by a portion of the front sheet along the line of separation that is not affixed to the back sheet.
- each compartment includes a resealable closure that is disposed adjacent to the openings of each compartment.
- the line of separation extends laterally across the width of the front sheet from one side edge to an opposite side edge, and the back sheet is continuous sheet material.
- the line of separation comprises a cut or incision that divides the front sheet into two separate sections that are each oriented on opposite sides of the line of separation and are affixed to the back sheet to define the first and second compartments.
- the line of separation can be created in the front sheet towards a central or middle region of the front sheet so that the sheet is divided into two sections having approximately the same size.
- the line of separation forms abutting inner edges that are disposed opposite each other on the front sheet and that extend along the length of the line of separation.
- the front sheet is not affixed to the back sheet along a substantial portion of the lengths of inner edges to thereby define openings to each respective compartment of the bag.
- the openings are disposed directly opposite each other in a face-to-face relation on the same side of the bag when the bag is in a relatively flat and un-folded state.
- the resealable closures are positioned so that they are parallel to the line of separation (e.g., the opening of each compartment) and extend laterally across the bag between opposing sides of the bag.
- the resealable closures are spaced from the inner edges defined by the line of separation by a distance that is between about 1 ⁇ 2 to 1 ⁇ 2 inches.
- the multicompartment bag is capable of being reversibly folded or bent between a closed and open position.
- the first and second compartments are positioned outwardly of the back sheet and are oriented in a side-by-side relation with the back sheet disposed in a folded or bent state therebetween.
- folding of the back sheet permits the openings of the first and second compartments to be disposed upwardly so that both compartments can be simultaneously accessible if desired.
- a user of the bag can access both compartments without having to worry about switching the orientation of the bag or otherwise manipulating the bag.
- the orientation of the fold in the back sheet is reversed so that the back sheet forms an exterior surface that extends over and substantially covers the openings of the first and second compartments.
- the folded over back sheet helps to create a secondary closure mechanism that covers the openings and can thereby help prevent items in the compartments from accidentally spilling out of the compartments.
- FIG. 1 is a perspective view of a multi-compartment bag that is in accordance with the present invention
- FIG. 2 is a cross-sectional view of an embodiment of the multicompartment bag depicted in FIG. 1 ;
- FIG. 2A is a partial view of the bag in FIG. 2A depicting a magnified view of the resealable closure
- FIG. 3 is a perspective view of the multicompartment bag in which the bag is folded in an open position to permit access to both compartments of the bag;
- FIG. 4 is a perspective view of the multicompartment bag in which the bag is folded in a closed position to help prevent contents from spilling out of the compartments.
- the multicompartment bag in accordance with one embodiment of the present invention as indicated generally in the drawing figures by the reference character 10 .
- the multicompartment bag includes front and back sheets 12 , 14 formed of a flexible material that are arranged in opposing face-to-face relationship with one another.
- the front and back sheets 12 , 14 are of a generally rectangular shape, each having a top edge 16 , a bottom edge 18 and opposite side edges 20 that extend longitudinally from the top edge 16 to the bottom edge 18 .
- the front and rear sheets may comprise two separate sheets, or alternatively, a single sheet that has been center-folded at bottom edge 18 .
- the embodiment illustrated in FIG. 1 has a top end 22 and an opposite bottom end 24 .
- the term “bag is used in a generic sense and should be recognized to include packages, sacks, pouches, satchels and the like.
- the front and back sheets 12 , 14 are affixed to one another along adjacent peripheral edges by side seams 26 .
- the side seams 26 can be formed by any of various methods conventionally used in the packaging industry, including seams formed mechanically, such as by sewing or stapling, adhesively, or by fusion, such as by forming seals by with heat or ultrasonic energy.
- the front and back sheets are made from a heat sealable material and the side seams 26 are formed by producing a fusion bond or seal between contacting interior surfaces of the front and back sheet using pressure and heat or ultrasonic energy as is well known.
- heat seals Although referred to herein as “heat seals”, it should be understood that this term is intended to apply both to seals formed by heating the contacting surfaces with a heated anvil or platen, as well as to heating and fusion produced by other methods, such as application of ultrasonic energy.
- At least one of the sheets includes a line of separation 28 that extends along a length or width of the sheet and divides the sheet into two sections to define first and second compartments 30 , 32 .
- the line of separation 28 extends laterally across the width of the front sheet 12 from one side edge to the opposite side edge, whereas the back sheet 14 is continuous.
- the line of separation divides the front sheet into two separate sections 34 , 36 that are each oriented on opposite sides of the line of separation and are affixed to the back sheet to define first and second compartments 30 , 32 having interior space 38 a , 38 b .
- the line of separation is created in the front sheet towards a central or middle region of the front sheet so that the sheet is divided into two sections 34 , 36 having approximately the same size.
- the line of separation is disposed approximately half-way between the top and bottom edges of the bag.
- the line of separation can be created at other positions on the front sheet and is not limited to being disposed towards the central or middle region of the sheet.
- the line of separation can be formed by creating a cut or incision in the front sheet that extends along the length or width of the front sheet.
- the cut i.e., line of separation
- the front sheet can comprise two separate and independent sheets (e.g., sections 34 , 36 ) that can each be independently affixed to the back sheet to form compartments 30 , 32 .
- the line of separation 28 extends between side edges 20 through side seams 26 . Having the line of separation extend between the opposing edges of the bag may be desirable to help facilitate folding of the bag so that both compartments can be easily accessed by a user. In other embodiments, it may desirable to have the line of separation extend towards the side edges, but not to extend through side seams 26 (See for example, FIG. 3 ).
- Each section 34 , 36 of the front sheet includes an inner edge 40 , 42 , respectively, that extend along the length of the line of separation 28 .
- the inner edges 40 , 42 are disposed on opposite sides of the line of separation and abut each other.
- the front sheet is not affixed to the back sheet along at least a portion of inner edges 40 , 42 to thereby define openings 44 a , 44 b into the interior spaces 38 a . 38 b of each respective compartment.
- the front sheet is not affixed to the back sheet along a substantial portion of the lengths of inner edges 40 , 42 .
- the front sheet is affixed to the back sheet along top edge 16 and side edges 20 , but is not affixed to the back sheet along inner edge 40 to thereby define first compartment 30 having opening 44 a .
- the line of separation defines openings 44 a , 44 b to each compartment of the bag that are disposed directly opposite each other in a face-to-face relation on the same side of the bag when the bag is in a relatively flat and un-folded state.
- the top edge, bottom edge, opposite side edges 20 , and inner edges 40 , 42 define a bag having dual compartments that each include opposing openings 44 a , 44 b and interior spaces 38 a . 38 b for containing articles therein.
- the multicompartment bag 10 also includes a pair of resealable closures 46 that are disposed in the interior space of each compartment.
- the resealable closures typically are positioned so that they are parallel to the line of separation (e.g., the opening of each compartment) and extend laterally across the bag between opposing side seams 26 .
- the resealable closures are preferably disposed towards the opening of each compartment and are spaced inwardly from the inner edges 40 , 42 .
- the resealable closures are positioned in each compartment so that they are spaced about 1 inch from the line of separation.
- the resealable closures are spaced from the inner edges by a distance that is between about 1 ⁇ 2 to 11 ⁇ 2 inches, and more preferably, from between about 3 ⁇ 4 to 11 ⁇ 4 inches. In this way, a portion of the front sheet adjacent to the inner edge 40 , 42 is accessible to be manually grasped for opening the resealable closure.
- the resealable closure can be any of various known configurations that allow for opening and reclosing of each compartment.
- the resealable closure comprises a pair of cooperating interlocking strips that are configured to releasably interconnect and to form a “press and seal” or zipper-type releasable interconnection.
- This type of resealable closure typically includes a rib-like male profile strip and a cooperating groove-like female profile that receives the rib-like male profile to form a seal.
- the closure can be closed simply by applying pressure along the length of the strips, or in some embodiments a zipper-type slider can be provided to facilitate opening and closing.
- These two strips are bonded to the interior surfaces of the front and back sheets 12 , 14 in a suitable manner, preferably by heat sealing.
- the resealable closures 46 comprise two strips of cooperating and interlocking sealing closures 50 , 52 that are attached to an inner surface of one of the front or back sheets in a face-to-face opposing relationship.
- the strips comprise polymeric material that can be heat sealed directly to the inner surfaces of the front and back sheets.
- sealing closure 50 has a male-like profile and sealing closure 52 has a female-like profile that is configured and arranged to receive the male-like profile of sealing closure 50 .
- the bag includes at least one end having a gusset.
- FIG. 2 illustrates an embodiment of the invention in which the bottom end 24 of the bag includes a gusset 60 that allows the compartment to expand to accommodate products in the compartment.
- the gusset comprises two outer folds 62 and an inner fold 64 that is disposed in between the outer folds 62 .
- the outer folds 62 fold a portion of the front and back sheets, referred to as gusset side walls 66 , inwardly towards the top end 22 of the bag, which culminate at inner fold 64 .
- inner fold 64 along with gusset sidewalls 66 can move downwardly to expand out the bottom end 24 of the bag.
- FIGS. 3 and 4 illustrate an embodiment of the invention in which the multicompartment bag does not include a gusset at the bottom end 24 or top end 22 of the bag.
- the multicompartment bag 10 depicted in FIG. 2 can be formed by providing a single sheet of material in which a central/middle region of the sheet is folded to create the bottom end 24 of the bag. As discussed previously, the bottom end of the bag can also be folded to form gusset 60 . Folding of the sheet material forms front and back sheets 12 , 14 that are disposed opposite each other in a face-to-face relation. The top edges of the thus created first and second sheets, as well as the side edges, can then be affixed to each other to form a bag having top end 22 , bottom end 24 , and side edges 20 .
- a cutting instrument such as blade
- a cutting instrument can be used to cut the front sheet into two sections to thereby form the line of separation and the first and second compartments.
- the multicompartment bag 10 of the present invention can be fabricated from any of a wide variety of flexible sheet materials conventionally used in the manufacture of bags including paper, coated paper, nonwoven sheet materials, films and laminates.
- the bag is formed from sheets of thermoplastic polymer film.
- the front and back sheets 12 , 14 can be formed from a single ply of film or from a multi-ply film laminate. When the front and back sheets are made from a single ply of flexible polymer film, they may be conveniently printed on either or both surfaces with printed information, indicia, logos and the like.
- the front and back sheets are made from a multi-ply material
- printing may be applied to either or both exterior surfaces of the multi-ply material, or alternatively, one of the plies can be reverse printed with the desired information so that the printing is encapsulated within the multi-ply laminate.
- the exterior ply is typically transparent and the interior ply can be transparent or opaque.
- the single or multi-ply films can be formed from various thermoplastic polymers including polyethylene, polypropylene, polyester and nylon.
- the heat sealable surface preferably includes a sealable polymeric material such as polyethylene or ethylene copolymers.
- the multicompartment bag is capable of being reconfigured by being reversibly folded or bent between a closed and open position.
- FIG. 3 depicts the multicompartment bag in an open position that permits a user to access the openings of the first and second compartment.
- the fold 70 or bend is present in an area of the back sheet that is adjacent with the line of separation in the front sheet.
- the fold 70 extends laterally across the width of the back sheet and is disposed opposite the line of separation 28 .
- the line of separation faces outwardly from the bag so that the first and second compartments are likewise positioned outwardly of the back sheet and are oriented in a side-by-side relation with the back sheet disposed in a folded or bent state therebetween.
- Folding the bag along fold 70 permits the openings of the first and second compartments to be disposed upwardly so that both compartments can be simultaneously accessible if desired.
- a user of the bag can access both compartments without having to worry about switching the orientation of the bag or otherwise manipulating the bag.
- both compartments of the bag can be opened at the same time without having to worry about product falling out of one of the compartments.
- FIG. 4 illustrates the multicompartment bag in a closed position.
- the orientation of fold 70 is reversed so that the back sheet forms an exterior surface 72 or covering of the bag.
- the line of weakening and the first and second compartments are disposed inwardly of the back sheet and are disposed directly opposite each other in a side-by-side relation.
- the back sheet forms an exterior surface of the bag that extends over and substantially covers the openings of the first and second compartments.
- the fold 70 helps to create a secondary closure mechanism that covers the openings and can thereby help prevent items in the compartments from falling out of the compartments. This may be particularly useful in the event the resealable closures have not been properly or completely closed.
- the multicompartment bag may also include an aperture 74 formed in the front and back sheets.
- the aperture 74 can be used for hanging the multicompartment bag on a holder, such as a peg, for retail display and sale.
- each compartment of the multicompartment bag is depicted as having an associated aperture.
- the apertures are generally disposed opposite each other between the line of separation and the resealable closures.
- the apertures are configured and arranged so that they are aligned with each other when the bag is in a fold state. (See briefly FIG. 4 ).
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Abstract
Description
- The present invention is directed to a multicompartment bag, and in particular, to a multicompartment bag having resealable closures.
- Various bags have been developed for storing and containing items therein. For example, bags have been developed for storing, sorting, organizing, packing, packaging, and preserving various items.
- In order to help facilitate temporary closure and easy access to the contents of the bag, resealable closures (commonly referred to as a zipper) have been developed that permit the bag to be opened and reclosed. For example, resealable closures have been developed that include two strips, one along each side of the bag opening, capable of being squeezed together either manually or by a slider moving over both strips from one end along their lengths to the other end. Typically, one strip has an undercut groove or series of grooves into which snaps a corresponding male element or series of male elements to form a seal along the opening of the bag.
- Resealable multicompartment bags have also been developed for storing items separately in the same bag. For example, multicompartment bags have been developed in which two compartments are disposed in a side-by-side relation and share a common wall. Generally, the openings of the compartments in such bags are located near the top of the bag for easy access. In most cases these bags tend to perform adequately. However, in some cases the resealable closure may not function correctly or the user may have not properly sealed the resealable closure, which can result in spillage of the contents of one or more of the compartments. This problem may be particularly true in the case of multicompartment bags where the openings of each compartment are disposed adjacent to the top end of the bag.
- A further disadvantage of such bags is costs that can be associated with bag construction. Typically, these bags include at least three panels of sheet material to form a two compartment bag, which can increase the costs associated with making the bag.
- Accordingly, a need exists for a relatively low cost multicompartment bag that can be used to help prevent accidental spillage of the bag's contents.
- The present invention provides a multicompartment bag comprising a front sheet and a back sheet that are affixed to each other along adjacent peripheral edges, and that includes a line of separation in one of the sheets that defines first and second compartments disposed on opposite sides of the line of separation. Each compartment includes an interior space and an opening that is defined by a portion of the front sheet along the line of separation that is not affixed to the back sheet. Preferably, each compartment includes a resealable closure that is disposed adjacent to the openings of each compartment.
- In one embodiment, the line of separation extends laterally across the width of the front sheet from one side edge to an opposite side edge, and the back sheet is continuous sheet material. The line of separation comprises a cut or incision that divides the front sheet into two separate sections that are each oriented on opposite sides of the line of separation and are affixed to the back sheet to define the first and second compartments. The line of separation can be created in the front sheet towards a central or middle region of the front sheet so that the sheet is divided into two sections having approximately the same size. The line of separation forms abutting inner edges that are disposed opposite each other on the front sheet and that extend along the length of the line of separation. The front sheet is not affixed to the back sheet along a substantial portion of the lengths of inner edges to thereby define openings to each respective compartment of the bag. In one embodiment, the openings are disposed directly opposite each other in a face-to-face relation on the same side of the bag when the bag is in a relatively flat and un-folded state.
- In one embodiment, the resealable closures are positioned so that they are parallel to the line of separation (e.g., the opening of each compartment) and extend laterally across the bag between opposing sides of the bag. Preferably, the resealable closures are spaced from the inner edges defined by the line of separation by a distance that is between about ½ to ½ inches.
- In a preferred embodiment, the multicompartment bag is capable of being reversibly folded or bent between a closed and open position. When in the open position, the first and second compartments are positioned outwardly of the back sheet and are oriented in a side-by-side relation with the back sheet disposed in a folded or bent state therebetween. In this open position, folding of the back sheet permits the openings of the first and second compartments to be disposed upwardly so that both compartments can be simultaneously accessible if desired. As a result, a user of the bag can access both compartments without having to worry about switching the orientation of the bag or otherwise manipulating the bag. In the closed position, the orientation of the fold in the back sheet is reversed so that the back sheet forms an exterior surface that extends over and substantially covers the openings of the first and second compartments. In this configuration, the folded over back sheet helps to create a secondary closure mechanism that covers the openings and can thereby help prevent items in the compartments from accidentally spilling out of the compartments.
- Having thus described the invention in general terms, reference will now be made to the accompanying drawings, which are not necessarily drawn to scale, and wherein:
-
FIG. 1 is a perspective view of a multi-compartment bag that is in accordance with the present invention; -
FIG. 2 is a cross-sectional view of an embodiment of the multicompartment bag depicted inFIG. 1 ; -
FIG. 2A is a partial view of the bag inFIG. 2A depicting a magnified view of the resealable closure; -
FIG. 3 is a perspective view of the multicompartment bag in which the bag is folded in an open position to permit access to both compartments of the bag; and -
FIG. 4 is a perspective view of the multicompartment bag in which the bag is folded in a closed position to help prevent contents from spilling out of the compartments. - The present invention now will be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the inventions are shown. Indeed, these inventions may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will satisfy applicable legal requirements. Like numbers refer to like elements throughout.
- A multicompartment bag in accordance with one embodiment of the present invention as indicated generally in the drawing figures by the
reference character 10. As best seen inFIGS. 1 and 2 , the multicompartment bag includes front andback sheets back sheets top edge 16, abottom edge 18 andopposite side edges 20 that extend longitudinally from thetop edge 16 to thebottom edge 18. In some embodiments the front and rear sheets may comprise two separate sheets, or alternatively, a single sheet that has been center-folded atbottom edge 18. The embodiment illustrated inFIG. 1 has atop end 22 and anopposite bottom end 24. In the context of the invention, the term “bag is used in a generic sense and should be recognized to include packages, sacks, pouches, satchels and the like. - The front and
back sheets side seams 26. Theside seams 26, as well as the other seams of the multicompartment bag to be described presently, can be formed by any of various methods conventionally used in the packaging industry, including seams formed mechanically, such as by sewing or stapling, adhesively, or by fusion, such as by forming seals by with heat or ultrasonic energy. In the particular embodiment illustrated, the front and back sheets are made from a heat sealable material and theside seams 26 are formed by producing a fusion bond or seal between contacting interior surfaces of the front and back sheet using pressure and heat or ultrasonic energy as is well known. Although referred to herein as “heat seals”, it should be understood that this term is intended to apply both to seals formed by heating the contacting surfaces with a heated anvil or platen, as well as to heating and fusion produced by other methods, such as application of ultrasonic energy. - At least one of the sheets includes a line of
separation 28 that extends along a length or width of the sheet and divides the sheet into two sections to define first andsecond compartments separation 28 extends laterally across the width of thefront sheet 12 from one side edge to the opposite side edge, whereas theback sheet 14 is continuous. As shown, the line of separation divides the front sheet into twoseparate sections second compartments interior space sections - The line of separation can be formed by creating a cut or incision in the front sheet that extends along the length or width of the front sheet. In one embodiment, the cut (i.e., line of separation) is created in the front sheet after the peripheral edges of the front and back sheets have been affixed to each other to form the bag. Alternatively, the front sheet can comprise two separate and independent sheets (e.g.,
sections 34, 36) that can each be independently affixed to the back sheet to formcompartments FIG. 1 , the line ofseparation 28 extends between side edges 20 through side seams 26. Having the line of separation extend between the opposing edges of the bag may be desirable to help facilitate folding of the bag so that both compartments can be easily accessed by a user. In other embodiments, it may desirable to have the line of separation extend towards the side edges, but not to extend through side seams 26 (See for example,FIG. 3 ). - Each
section inner edge separation 28. The inner edges 40, 42 are disposed on opposite sides of the line of separation and abut each other. As shown, the front sheet is not affixed to the back sheet along at least a portion ofinner edges openings interior spaces 38 a. 38 b of each respective compartment. Preferably, the front sheet is not affixed to the back sheet along a substantial portion of the lengths ofinner edges top edge 16 and side edges 20, but is not affixed to the back sheet alonginner edge 40 to thereby definefirst compartment 30 havingopening 44 a. As can best be seen inFIG. 2 , the line of separation definesopenings inner edges openings interior spaces 38 a. 38 b for containing articles therein. - The
multicompartment bag 10 also includes a pair ofresealable closures 46 that are disposed in the interior space of each compartment. The resealable closures typically are positioned so that they are parallel to the line of separation (e.g., the opening of each compartment) and extend laterally across the bag between opposing side seams 26. The resealable closures are preferably disposed towards the opening of each compartment and are spaced inwardly from theinner edges inner edge - The resealable closure can be any of various known configurations that allow for opening and reclosing of each compartment. In the illustrated embodiment, the resealable closure comprises a pair of cooperating interlocking strips that are configured to releasably interconnect and to form a “press and seal” or zipper-type releasable interconnection. This type of resealable closure typically includes a rib-like male profile strip and a cooperating groove-like female profile that receives the rib-like male profile to form a seal. The closure can be closed simply by applying pressure along the length of the strips, or in some embodiments a zipper-type slider can be provided to facilitate opening and closing. These two strips are bonded to the interior surfaces of the front and
back sheets - As can best be see in
FIG. 2A , theresealable closures 46 comprise two strips of cooperating andinterlocking sealing closures closure 50 has a male-like profile and sealingclosure 52 has a female-like profile that is configured and arranged to receive the male-like profile of sealingclosure 50. - In one embodiment, the bag includes at least one end having a gusset. In this regard,
FIG. 2 illustrates an embodiment of the invention in which thebottom end 24 of the bag includes a gusset 60 that allows the compartment to expand to accommodate products in the compartment. As shown, the gusset comprises twoouter folds 62 and aninner fold 64 that is disposed in between the outer folds 62. The outer folds 62 fold a portion of the front and back sheets, referred to asgusset side walls 66, inwardly towards thetop end 22 of the bag, which culminate atinner fold 64. Upon filling,inner fold 64 along withgusset sidewalls 66 can move downwardly to expand out thebottom end 24 of the bag.FIGS. 3 and 4 illustrate an embodiment of the invention in which the multicompartment bag does not include a gusset at thebottom end 24 ortop end 22 of the bag. - In one embodiment, the
multicompartment bag 10 depicted inFIG. 2 can be formed by providing a single sheet of material in which a central/middle region of the sheet is folded to create thebottom end 24 of the bag. As discussed previously, the bottom end of the bag can also be folded to form gusset 60. Folding of the sheet material forms front andback sheets top end 22,bottom end 24, and side edges 20. In a subsequent step, a cutting instrument, such as blade, can be used to cut the front sheet into two sections to thereby form the line of separation and the first and second compartments. In automated systems, it is generally desirable to attach the resealable closures to the sheet material prior to folding and forming the bag. - The
multicompartment bag 10 of the present invention can be fabricated from any of a wide variety of flexible sheet materials conventionally used in the manufacture of bags including paper, coated paper, nonwoven sheet materials, films and laminates. In the embodiment shown in the drawings, the bag is formed from sheets of thermoplastic polymer film. The front andback sheets - In a further aspect of the present invention, the multicompartment bag is capable of being reconfigured by being reversibly folded or bent between a closed and open position. In this regard,
FIG. 3 depicts the multicompartment bag in an open position that permits a user to access the openings of the first and second compartment. As shown, thefold 70 or bend is present in an area of the back sheet that is adjacent with the line of separation in the front sheet. For example, in the illustrated embodiment thefold 70 extends laterally across the width of the back sheet and is disposed opposite the line ofseparation 28. In the open position, the line of separation faces outwardly from the bag so that the first and second compartments are likewise positioned outwardly of the back sheet and are oriented in a side-by-side relation with the back sheet disposed in a folded or bent state therebetween. Folding the bag alongfold 70 permits the openings of the first and second compartments to be disposed upwardly so that both compartments can be simultaneously accessible if desired. As a result, a user of the bag can access both compartments without having to worry about switching the orientation of the bag or otherwise manipulating the bag. Further, in embodiments in which the compartments are about the same size, both compartments of the bag can be opened at the same time without having to worry about product falling out of one of the compartments. -
FIG. 4 illustrates the multicompartment bag in a closed position. In the closed position, the orientation offold 70 is reversed so that the back sheet forms anexterior surface 72 or covering of the bag. In this configuration, the line of weakening and the first and second compartments are disposed inwardly of the back sheet and are disposed directly opposite each other in a side-by-side relation. Preferably, the back sheet forms an exterior surface of the bag that extends over and substantially covers the openings of the first and second compartments. As a result, thefold 70 helps to create a secondary closure mechanism that covers the openings and can thereby help prevent items in the compartments from falling out of the compartments. This may be particularly useful in the event the resealable closures have not been properly or completely closed. - As shown in
FIGS. 1-4 , the multicompartment bag may also include anaperture 74 formed in the front and back sheets. Theaperture 74 can be used for hanging the multicompartment bag on a holder, such as a peg, for retail display and sale. In the illustrated embodiment, each compartment of the multicompartment bag is depicted as having an associated aperture. The apertures are generally disposed opposite each other between the line of separation and the resealable closures. Preferably, the apertures are configured and arranged so that they are aligned with each other when the bag is in a fold state. (See brieflyFIG. 4 ). - Many modifications and other embodiments of the invention set forth herein will come to mind to one skilled in the art to which the invention pertains having the benefit of the teachings presented in the foregoing descriptions and the associated drawings. Therefore, it is to be understood that the invention is not to be limited to the specific embodiments disclosed and that modifications and other embodiments are intended to be included within the scope of the appended claims. Although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (25)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US11/947,903 US20090142006A1 (en) | 2007-11-30 | 2007-11-30 | Multicompartment bag having resealable opposed openings |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US11/947,903 US20090142006A1 (en) | 2007-11-30 | 2007-11-30 | Multicompartment bag having resealable opposed openings |
Publications (1)
Publication Number | Publication Date |
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US20090142006A1 true US20090142006A1 (en) | 2009-06-04 |
Family
ID=40675800
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US11/947,903 Abandoned US20090142006A1 (en) | 2007-11-30 | 2007-11-30 | Multicompartment bag having resealable opposed openings |
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US (1) | US20090142006A1 (en) |
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US7681732B2 (en) | 2008-01-11 | 2010-03-23 | Cryovac, Inc. | Laminated lidstock |
US20100142861A1 (en) * | 2008-12-05 | 2010-06-10 | Bassam Abed Sam | Container bag with multiple sealable locks |
US20100142862A1 (en) * | 2008-12-05 | 2010-06-10 | Bassam Abed Sam | Container bag with multiple sealable locks |
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US10634388B2 (en) * | 2015-12-02 | 2020-04-28 | PPI Technologies Group, LLC | Flexible pouch with heating modules |
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US11117726B2 (en) | 2018-05-04 | 2021-09-14 | 1958658 Ontario Inc. | Method of forming a gusseted stand-up pouch |
US11628997B2 (en) | 2018-05-04 | 2023-04-18 | 1958658 Ontario Inc. | Method of forming a gusseted stand-up flexible pouch |
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US11759035B2 (en) | 2021-01-12 | 2023-09-19 | Instant Brands Holdings Inc. | Silicone food and beverage storage containers |
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