CA2263245C - Preformed tobacco package - Google Patents
Preformed tobacco package Download PDFInfo
- Publication number
- CA2263245C CA2263245C CA002263245A CA2263245A CA2263245C CA 2263245 C CA2263245 C CA 2263245C CA 002263245 A CA002263245 A CA 002263245A CA 2263245 A CA2263245 A CA 2263245A CA 2263245 C CA2263245 C CA 2263245C
- Authority
- CA
- Canada
- Prior art keywords
- package according
- rear side
- front side
- package
- preformed
- 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.)
- Expired - Fee Related
Links
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F23/00—Cases for tobacco, snuff, or chewing tobacco
- A24F23/02—Tobacco pouches
-
- 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
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/28—Articles or materials wholly enclosed in composite wrappers, i.e. wrappers formed by associating or interconnecting two or more sheets or blanks
- B65D75/30—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding
- B65D75/32—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents
- B65D75/36—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents one sheet or blank being recessed and the other formed of relatively stiff flat sheet material, e.g. blister packages, the recess or recesses being preformed
- B65D75/366—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents one sheet or blank being recessed and the other formed of relatively stiff flat sheet material, e.g. blister packages, the recess or recesses being preformed and forming one compartment
-
- 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
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/52—Details
- B65D75/54—Cards, coupons or other inserts or accessories
-
- 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
- B65D2313/00—Connecting or fastening means
- B65D2313/08—Double sided adhesive tape, e.g. for suspension of the container
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
- Bag Frames (AREA)
- Manufacture Of Tobacco Products (AREA)
Abstract
The invention relates to a package for tobacco comprising a substantially rectangular bag, provided with a front side and a rear side fixedly interconnected on three lateral sides, and wherein the fourth side can form an opening, while on the rear side, at the location of the opening, a flap connects, characterized in that the front side and/or rear side consists of a preformed plastic sheet.
Description
Title: Preformed tobacco package The invention relates to a tobacco pouch made of plastic or plastic laminate, comprising a bag consisting of a front side and rear side interconnected at their lateral sides, and a flap connecting to the rear wall.
In general, packages for cut tobacco, for instance for pipe tobacco, tobacco for rolling one's own cigarettes or chewing tobacco, are manufactured from synthetic materials.
Most conventionally, two different types of package are used, viz. the wrapover bag and the side-fold or block-bottom bag.
The wrapover bag has the simplest form and consists of a plastic film or plastic laminate folded up over a folding seam, whereupon the lateral sides are sealed together. On the rear wall, a flap connects that can be wrapped one or more times around the bag and attached thereto, for instance with an adhesive tape.
As the name already indicates, the side-fold bag or block-bottom bag comprises folded sidewalls and a bottom, so that the bag acquires a more or less block-shaped appearance.
Such bag, too, is manufactured from plastic film. In practice, such a bag often consists of a double sheet with a paper insert loosely provided between the sheets, which paper insert may be printed.
Although both packaging systems for tobacco are very common, there is nevertheless a need for an improved package for tobacco. In particular when the package of the wrapover bag type is used, it turns out that the filled package does not connect neatly at the lateral sides. Because of the filling, the lateral sides incline to draw inwards.
Hence, there is a need for an improvement of the wrapover bag which does not entail this problem, without directly requiring the construction of the block-bottom bag.
The invention is based upon the insight that it is possible to obtain a suitable tobacco package by designing the wrapover bag so that the portion where the tobacco is located is preformed, for instance as is often used for packaging foodstuffs.
Hence, the invention relates to a package for tobacco as pointed out in the introduction, comprising a substantially rectangular bag, provided with a front side and a rear side fixedly interconnected on three lateral sides, and wherein the fourth side can form an opening, while on the rear side, at the location of the opening, a flap connects, characterized in that the front side and/or rear side consists of a preformed plastic sheet.
In the basic embodiment of the invention, two versions are possible. In the first version, the conventional wrapover pouch, consisting of one single sheet which is folded double, is modified in such a manner that the front side and/or rear side is preformed in the central part thereof, for instance by vacuum forming. The edges, which fixedly interconnect the front side and rear side, are not deformed, but only the central part. The central part has the shape of a kind of tray.
Preferably, only the front side is deformed, as this is the optimal embodiment. In each embodiment, it is preferred that the bag be so designed that additional space for taking out tobacco is created on the open side. This may for instance be effected by preforming the front side in such a manner that said tray-shaped central part has no wall on one side.
In a second embodiment, the front side and rear side consist of separate sheets, which, however, may in fact be formed in the same manner as described hereinabove in relation to the first variant.
In accordance with a specific embodiment, the front side has a shape such that the opening displays a certain widening, which simplifies the use of the package.
The package is manufactured from plastic sheets, wherein materials can be used that are known for this type of applications, while also taking into account the requirements in respect of appearance and moisture/oxygen barrier properties.
Examples of materials are polyesters, polyamides, polyethene, polypropene and polystyrene. These materials can be applied as such, or as coextrudate or laminate with other plastics. If necessary, there may also be used additions for increasing the water vapor proofness,, such as EVOH or aluminum.
More in particularly, suitable materials for the rear side of the package are the various types of polypropene film, such as OPP
(for oriented polypropylene), CPP (for cast polypropylene) and the like, but it is also possible to use laminates of various materials. Also, use can be made of laminates of two layers of plastic film having a printed layer, for instance of paper or plastic, provided between them, as is customary in block-bottom bags.
Such choices can also be made with regard to the front side.
The plastics that are used for the manufacture of the package may be transparent, printed, colored or a combination thereof.
The package according to the invention may further comprise all kinds of useful or embellishing aspects, such as a cover at the end of the flap, for improving the stiffness thereof. If necessary, the front side and/or rear side may be provided with an embossing, for instance with a brand name or logo.
Another aspect is the provision of means for affixing a book of cigarette papers to the package. In its simplest form, this may be a strip of double-sided adhesive tape provided with a covering strip. After removal of the covering strip, the book of cigarette papers can be stuck thereto, so that it is always at hand. However, it is also possible to apply more complicated systems, for instance as described in Dutch patent application 1002375.
Conventional closures for such tobacco packages area adhesive strips in the form of a strip of sellotapeTM. However, v this has the drawback that after some use, the adhesive power decreases, due to tobacco sticking to the glue. In the aforesaid Dutch patent application, this drawback is overcome. However, it is also possible to use VelcroT" as closing means. In particular when this is provided as an extended strip, transversely to the bottom fold, this enables the package to be rendered smaller and smaller, according as more tobacco has been taken therefrom.
To improve the preservability, more in particular the shelf-life, it is preferred that in the factory, after the filling of the package, a temporary seal be provided on the top side of the pouch, for instance in the form of a layer of adhesive or a temporary hot weld which can readily be opened by the user without damaging the package.
In the closed form, the top of the front side will preferably be folded inwards, as is also customary in a block-bottom bag.
The invention will now be explained with reference to Figure 1, which should not be considered a limitation of the invention.
In Figure 1, an example of a possible embodiment of the package according to the invention is shown schematically.
The package consists of a rear side 1 comprising a bag part 2 and a flap part 3, the latter being folded around at its top side 4. The package also comprises a front side 5 whose central part 6 is shaped into a tray, while the edges 7', 7" and 7"' are substantially undeformed. These edges are fixedly hot-welded to the corresponding edges 8', 8" and 8"' of the rear side. The top side 9 of the front side 5 is fixed with a'light' weld to the rear side 1, at the location of the transition of the bag part 2 and the flap part 3.
For attaching a book of cigarette papers, a length of double-sided adhesive strip 11 may be provided on the central part 6 of the front side 5, at 10.
Finally, it is further observed that the top side of the front side may be folded inwards at the lateral sides, as indicated by the arrows 12' and 12 ".
In general, packages for cut tobacco, for instance for pipe tobacco, tobacco for rolling one's own cigarettes or chewing tobacco, are manufactured from synthetic materials.
Most conventionally, two different types of package are used, viz. the wrapover bag and the side-fold or block-bottom bag.
The wrapover bag has the simplest form and consists of a plastic film or plastic laminate folded up over a folding seam, whereupon the lateral sides are sealed together. On the rear wall, a flap connects that can be wrapped one or more times around the bag and attached thereto, for instance with an adhesive tape.
As the name already indicates, the side-fold bag or block-bottom bag comprises folded sidewalls and a bottom, so that the bag acquires a more or less block-shaped appearance.
Such bag, too, is manufactured from plastic film. In practice, such a bag often consists of a double sheet with a paper insert loosely provided between the sheets, which paper insert may be printed.
Although both packaging systems for tobacco are very common, there is nevertheless a need for an improved package for tobacco. In particular when the package of the wrapover bag type is used, it turns out that the filled package does not connect neatly at the lateral sides. Because of the filling, the lateral sides incline to draw inwards.
Hence, there is a need for an improvement of the wrapover bag which does not entail this problem, without directly requiring the construction of the block-bottom bag.
The invention is based upon the insight that it is possible to obtain a suitable tobacco package by designing the wrapover bag so that the portion where the tobacco is located is preformed, for instance as is often used for packaging foodstuffs.
Hence, the invention relates to a package for tobacco as pointed out in the introduction, comprising a substantially rectangular bag, provided with a front side and a rear side fixedly interconnected on three lateral sides, and wherein the fourth side can form an opening, while on the rear side, at the location of the opening, a flap connects, characterized in that the front side and/or rear side consists of a preformed plastic sheet.
In the basic embodiment of the invention, two versions are possible. In the first version, the conventional wrapover pouch, consisting of one single sheet which is folded double, is modified in such a manner that the front side and/or rear side is preformed in the central part thereof, for instance by vacuum forming. The edges, which fixedly interconnect the front side and rear side, are not deformed, but only the central part. The central part has the shape of a kind of tray.
Preferably, only the front side is deformed, as this is the optimal embodiment. In each embodiment, it is preferred that the bag be so designed that additional space for taking out tobacco is created on the open side. This may for instance be effected by preforming the front side in such a manner that said tray-shaped central part has no wall on one side.
In a second embodiment, the front side and rear side consist of separate sheets, which, however, may in fact be formed in the same manner as described hereinabove in relation to the first variant.
In accordance with a specific embodiment, the front side has a shape such that the opening displays a certain widening, which simplifies the use of the package.
The package is manufactured from plastic sheets, wherein materials can be used that are known for this type of applications, while also taking into account the requirements in respect of appearance and moisture/oxygen barrier properties.
Examples of materials are polyesters, polyamides, polyethene, polypropene and polystyrene. These materials can be applied as such, or as coextrudate or laminate with other plastics. If necessary, there may also be used additions for increasing the water vapor proofness,, such as EVOH or aluminum.
More in particularly, suitable materials for the rear side of the package are the various types of polypropene film, such as OPP
(for oriented polypropylene), CPP (for cast polypropylene) and the like, but it is also possible to use laminates of various materials. Also, use can be made of laminates of two layers of plastic film having a printed layer, for instance of paper or plastic, provided between them, as is customary in block-bottom bags.
Such choices can also be made with regard to the front side.
The plastics that are used for the manufacture of the package may be transparent, printed, colored or a combination thereof.
The package according to the invention may further comprise all kinds of useful or embellishing aspects, such as a cover at the end of the flap, for improving the stiffness thereof. If necessary, the front side and/or rear side may be provided with an embossing, for instance with a brand name or logo.
Another aspect is the provision of means for affixing a book of cigarette papers to the package. In its simplest form, this may be a strip of double-sided adhesive tape provided with a covering strip. After removal of the covering strip, the book of cigarette papers can be stuck thereto, so that it is always at hand. However, it is also possible to apply more complicated systems, for instance as described in Dutch patent application 1002375.
Conventional closures for such tobacco packages area adhesive strips in the form of a strip of sellotapeTM. However, v this has the drawback that after some use, the adhesive power decreases, due to tobacco sticking to the glue. In the aforesaid Dutch patent application, this drawback is overcome. However, it is also possible to use VelcroT" as closing means. In particular when this is provided as an extended strip, transversely to the bottom fold, this enables the package to be rendered smaller and smaller, according as more tobacco has been taken therefrom.
To improve the preservability, more in particular the shelf-life, it is preferred that in the factory, after the filling of the package, a temporary seal be provided on the top side of the pouch, for instance in the form of a layer of adhesive or a temporary hot weld which can readily be opened by the user without damaging the package.
In the closed form, the top of the front side will preferably be folded inwards, as is also customary in a block-bottom bag.
The invention will now be explained with reference to Figure 1, which should not be considered a limitation of the invention.
In Figure 1, an example of a possible embodiment of the package according to the invention is shown schematically.
The package consists of a rear side 1 comprising a bag part 2 and a flap part 3, the latter being folded around at its top side 4. The package also comprises a front side 5 whose central part 6 is shaped into a tray, while the edges 7', 7" and 7"' are substantially undeformed. These edges are fixedly hot-welded to the corresponding edges 8', 8" and 8"' of the rear side. The top side 9 of the front side 5 is fixed with a'light' weld to the rear side 1, at the location of the transition of the bag part 2 and the flap part 3.
For attaching a book of cigarette papers, a length of double-sided adhesive strip 11 may be provided on the central part 6 of the front side 5, at 10.
Finally, it is further observed that the top side of the front side may be folded inwards at the lateral sides, as indicated by the arrows 12' and 12 ".
Claims (17)
1. A tobacco package comprising a substantially rectangular receptacle portion having a front side and a rear side, said front and rear sides being fixedly interconnected on three lateral sides to define a receptacle with a fourth lateral side defining a closure portion and a flap extending from said rear side beyond a location of the closure portion, at least one of: i) said front side and ii) said rear side comprising a plastic sheet, wherein said plastic sheet is preformed into a tray-like shape.
2. The package according to claim 1, wherein each of said front side and said rear side comprises a separate sheet, fixedly interconnected on said three lateral sides to form said receptacle.
3. The package according to claim 1, wherein said front side and said rear side are formed by a double folded plastic sheet.
4. The package according to any one of claims 1 to 3, wherein said rear side comprises a laminate of at least two plastics.
5. The package according to any one of claims 1 to 4, wherein said closure portion is selectively openable and closable to gain access to an inside of the receptacle.
6. The package according to any one of claims 1 to 5, wherein at least one of: i) said front side and ii) said rear side is preformed by vacuum forming the plastic sheet.
7 7. The package according to any one of claims 1 to 6, wherein said front side and said rear side are fixedly welded together on three lateral sides thereof.
8. The package according to any one of claims 1 to 7, wherein said package is provided, when filled, with a temporary seal at a location of the closure portion.
9. The package according to claim 8, wherein said temporary seal consists of one of: i) a layer of adhesive and ii) a hot weld.
10. The package according to any one of claims 1 to 9, wherein at least one of: i) said front side and ii) said rear side is provided with an embossing.
11. The package according to any one of claims 1 to 10, wherein at least one of: i) said front side and ii) said rear side consists of a plastic laminate.
12. The package according to any one of claims 1 to 11, wherein said front side is manufactured from a plastic, which, after forming, is less stiff than said rear side.
13. The package according to any one of claims 1 to 12, provided with a closure.
14. The package according to claim 13, wherein said closure is one of: i) an adhesive strip and ii) Velcro.TM..
15. The package according to any one of claims 1 to 14, provided with means for attaching a packet of cigarette papers in or on the package.
16. The package according to any one of claims 1 to 15, wherein said front side and the four lateral sides are preformed into a tray-like shape.
17. The package according to claim 16, wherein the receptacle portion of the rear side is not constituted by said preformed plastic sheet.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL1008459 | 1998-03-03 | ||
| NL1008459A NL1008459C2 (en) | 1998-03-03 | 1998-03-03 | Preformed tobacco packaging. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2263245A1 CA2263245A1 (en) | 1999-09-03 |
| CA2263245C true CA2263245C (en) | 2007-05-08 |
Family
ID=19766640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002263245A Expired - Fee Related CA2263245C (en) | 1998-03-03 | 1999-03-01 | Preformed tobacco package |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0940093B1 (en) |
| AT (1) | ATE240055T1 (en) |
| AU (1) | AU747942B2 (en) |
| CA (1) | CA2263245C (en) |
| DE (1) | DE69907779T2 (en) |
| ES (1) | ES2199518T3 (en) |
| NL (1) | NL1008459C2 (en) |
| PT (1) | PT940093E (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1798025A1 (en) * | 2005-12-14 | 2007-06-20 | Imperial Tobacco R.Y.O. B.V. | Method of embossing a packaging film and apparatus therefor |
| GB2437705A (en) * | 2006-05-03 | 2007-11-07 | Ian Mccormack | Pouch for storing waste chewing gum prior to its disposal |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2560535A (en) * | 1946-03-05 | 1951-07-17 | American Mach & Foundry | Tobacco pouch |
| US3387640A (en) * | 1965-08-02 | 1968-06-11 | Dow Chemical Co | Tobacco pouch |
| US3949916A (en) * | 1974-11-29 | 1976-04-13 | Yount Robert E | Tobacco pouch and accessory carrier |
| DK149761C (en) * | 1979-10-29 | 1987-02-16 | Raackmanns Fab As | TOBACCO PACKAGE WITH CASH-SHAPED POSITION AND PROCEDURE FOR ITS MANUFACTURING |
| DE8503572U1 (en) * | 1985-02-09 | 1986-06-05 | Hawera Probst Gmbh + Co, 7980 Ravensburg | Blister packaging |
| US5038936A (en) * | 1989-09-11 | 1991-08-13 | Placon Corporation | Thermoformed blister card display package with reclosable cover |
| US5154293A (en) * | 1991-04-23 | 1992-10-13 | Gould Charles E | Resealable package |
| NL1002375C2 (en) | 1996-02-16 | 1997-08-19 | Sara Lee De Nv | Tobacco package of sheet material with flap |
| DE19830898A1 (en) * | 1998-07-10 | 2000-01-13 | Hexal Ag | Device for improving the removal ability of flat, substrate-packed sections packed in pouches with a pressure-sensitive adhesive |
-
1998
- 1998-03-03 NL NL1008459A patent/NL1008459C2/en not_active IP Right Cessation
-
1999
- 1999-03-01 CA CA002263245A patent/CA2263245C/en not_active Expired - Fee Related
- 1999-03-02 AU AU18547/99A patent/AU747942B2/en not_active Ceased
- 1999-03-03 AT AT99200613T patent/ATE240055T1/en active
- 1999-03-03 EP EP99200613A patent/EP0940093B1/en not_active Expired - Lifetime
- 1999-03-03 DE DE69907779T patent/DE69907779T2/en not_active Expired - Lifetime
- 1999-03-03 PT PT99200613T patent/PT940093E/en unknown
- 1999-03-03 ES ES99200613T patent/ES2199518T3/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| ATE240055T1 (en) | 2003-05-15 |
| NL1008459C2 (en) | 1999-09-06 |
| CA2263245A1 (en) | 1999-09-03 |
| PT940093E (en) | 2003-09-30 |
| AU747942B2 (en) | 2002-05-30 |
| EP0940093A1 (en) | 1999-09-08 |
| EP0940093B1 (en) | 2003-05-14 |
| AU1854799A (en) | 1999-09-16 |
| ES2199518T3 (en) | 2004-02-16 |
| DE69907779D1 (en) | 2003-06-18 |
| DE69907779T2 (en) | 2004-01-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20160301 |