EP2934258A1 - Verpackung mit einem stapel aus z-gefaltetem bahnmaterial - Google Patents
Verpackung mit einem stapel aus z-gefaltetem bahnmaterialInfo
- Publication number
- EP2934258A1 EP2934258A1 EP12890479.4A EP12890479A EP2934258A1 EP 2934258 A1 EP2934258 A1 EP 2934258A1 EP 12890479 A EP12890479 A EP 12890479A EP 2934258 A1 EP2934258 A1 EP 2934258A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- stack
- package
- wrapper
- web material
- accordance
- 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.)
- Withdrawn
Links
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- 229920002472 Starch Polymers 0.000 claims description 4
- 239000008107 starch Substances 0.000 claims description 4
- 235000019698 starch Nutrition 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 3
- 239000000123 paper Substances 0.000 description 16
- 239000003292 glue Substances 0.000 description 13
- 150000001875 compounds Chemical class 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000000926 separation method Methods 0.000 description 7
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- 230000037431 insertion Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 239000011111 cardboard Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K10/00—Body-drying implements; Toilet paper; Holders therefor
- A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
- A47K10/32—Dispensers for paper towels or toilet-paper
- A47K10/42—Dispensers for paper towels or toilet-paper dispensing from a store of single sheets, e.g. stacked
-
- 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
- B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
- B65D75/5827—Tear-lines provided in a wall portion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B69/00—Unpacking of articles or materials, not otherwise provided for
- B65B69/0025—Removing or cutting binding material, e.g. straps or bands
-
- 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
- B65D71/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottles; Bales of material
- B65D71/06—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers
- B65D71/12—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers the packaging elements, e.g. wrappers being formed by folding a single blank
- B65D71/14—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers the packaging elements, e.g. wrappers being formed by folding a single blank having a tubular shape, e.g. tubular wrappers without end walls
- B65D71/34—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers the packaging elements, e.g. wrappers being formed by folding a single blank having a tubular shape, e.g. tubular wrappers without end walls characterised by weakened lines or other opening devices
-
- 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
- B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
- B65D75/5855—Peelable seals
-
- 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
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/62—Containers, packaging elements or packages, specially adapted for particular articles or materials for stacks of articles; for special arrangements of groups of articles
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K10/00—Body-drying implements; Toilet paper; Holders therefor
- A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
- A47K10/32—Dispensers for paper towels or toilet-paper
- A47K10/42—Dispensers for paper towels or toilet-paper dispensing from a store of single sheets, e.g. stacked
- A47K2010/428—Details of the folds or interfolds of the sheets
-
- 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
- B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
- B65D2571/00123—Bundling wrappers or trays
- B65D2571/00555—Wrapper opening devices
Definitions
- the present invention relates to a package of web material for hygiene products, for use in a dispenser, comprising: a stack comprising web material being folded about transverse folding lines, thereby providing panels having a length along said folding lines, and a width perpendicular to said folding lines, said panels being piled on top of each other to form a height of said stack, and a wrapper extending along said height direction, so as to maintain the integrity of the stack during transport and storage thereof.
- Dispensers with web material such as paper towels, napkins and similar hygiene products are often used in public lavatories as a convenient way of providing a supply of towels in washrooms and other facilities. Similar dispensers with web material are provided for supplying hygiene products intended for object wiping, e.g. for cleaning.
- the web material may either be provided as a rolled web or as a stack of folded web.
- the rolls are often heavy and there is a friction and resistance for unrolling the paper.
- an arresting force is required in order to stop rotation once a towel has been dispensed. Consequently, there is a need for a strong paper in these rolls in order to withstand these forces.
- the web material arranged in folded stacks does not need to have great physical strength which usually is inconsistent with the desired characteristic of softness.
- Dispensers in public lavatories are often designed with a lock, which in order to prevent pilferage and waste, only can be opened by an attendant. Thus, the products may run out before the next servicing and products may not always available to the user when needed.
- dispensers are often limited and they are only found in a few fixed sizes, which thus limits the design of the hygienic products as well. As easily understood, a larger dispenser requires less frequent servicing than a smaller one.
- the dispenser is normally hanged on a wall or placed on the floor of the lavatory. To allow refill, the dispenser comprises an opening mechanism to provide access to a storage space of the dispenser for containment of a stack of web material. It is preferred that the refilling of web material should not be heavy or difficult for the attendant to perform.
- refill packages are provided, each refill package comprising a stack of web material and a wrapping, which maintains the integrity of the stack during transport and storage thereof.
- the web material will generally run from a storage space for containing the stack of folded material, to a dispensing opening.
- the dispenser will define a web path along which unfolded web material runs from said storage space to said dispensing opening.
- Large-type dispensers may be provided with relatively large storage spaces, which may contain a number of such stacks of web material.
- adjacent stacks are adhered to each other via their respective end panels, so that an end panel of each stack pulls along an end panel of the next stack.
- adhesive tape or glue is applied to the outer panel(s) of the stacks. Refill of a large dispenser with the presently available stacks of web material may hence involve the unwrapping, introduction and subsequent adhesion of several stacks of web material. Accordingly, the refill of a large dispenser may be rather time-consuming.
- the present invention relates to a package of web material for hygiene products, for use in a dispenser, comprising:
- a stack comprising web material being folded about transverse folding lines, thereby providing panels having a length along said folding lines, and a width perpendicular to said folding lines, said panels being piled on top of each other to form a height of said stack,
- said stack outlines a rectangular parallelepiped having said length, width, and height, and forming six outer surfaces, namely a top and a bottom surface, being parallel to the panels of said stack, two side surfaces, comprising the longitudinal edges of the web material, and a front and a back surface, comprising the folded edges of the web material, and
- a wrapper extending at least over said height direction, so as to maintain the integrity of the stack during transport and storage thereof.
- the wrapper comprises an opening feature for predetermined opening of the package, and the package is configured to be openable such that the wrapper is removable from the integrity of the stack while the stack is resting on an outer surface thereof.
- web material being folded about transverse folding lines is meant a material which is folded and which forms the hygiene products.
- the folded web material may be in the form of single folded napkins, which are arranged one by one on top of each other to form said stack.
- the napkins may be interfolded such that a free end of the next napkin is presented upon withdrawal of a first napkin.
- the web material may also be at least one continuous web material.
- a continuous web material is a material which may be continuously fed for example when arranged in an appropriate dispenser.
- the web material may be integral, and intended to be severed into individual products upon actuation of a user, e.g. by a cutting blade or edge arranged in an appropriate dispenser.
- the continuous web material may be provided with weakening lines, such as perforation lines, along which the web material is to be separated to form individual products. Such separation can take place automatically inside a dispenser, or be performed manually, e.g. by pulling the web such that it ruptures along the weakening lines.
- Z-folded continuous web material is conventionally provided in stacks being intended for larger dispensers, and hence they are to be handled as outlined previously in the background section of the application.
- conventional packages include both a stack and a wrapper, where the wrapper is to be removed from the stack before the stack is introduced into the dispenser. During introduction into the dispenser, the integrity of the stack is maintained by the attendant's manually gripping the stack.
- a package as proposed herein departs from the previous convention, being that the wrapper should be removed while the attendant is holding the package in his/her hand. Instead, it is envisaged that the wrapper shall be removed when the package is resting on one of its outer surfaces.
- This feature enables the package to be introduced e.g. to a storage space of a dispenser, positioned on a support surface therein, and the wrapper to be removed while the package rests with one of its outer surfaces abutting said support surface. Accordingly, the need for manually maintaining the integrity of the stack during insertion of the stack in the dispenser is removed.
- the wrapper may have any form and shape enabling removal thereof while the package rests on one of the outer surfaces thereof.
- the wrapper could comprise a lid arranged over the front surface of the stack, and surrounding at least the top and bottom surface thereof. Such a lid could be removed while the stack is resting on its back surface.
- a wrapper could be a sticker or tape arranged over e.g. the front surface of the stack. Such a sticker or tape could be removed while the stack is resting on its back surface.
- wrappers could be included in packages preferably having also other parts. With a wrapper essentially covering only one side or half of the stack, there might be a need for an additional package portion, such as a complementary lid, to be provided on the other half of the stack during transport and storage thereof. In such cases, any such additional package portions may be removed before the stack with the wrapper is introduced in a housing of a dispenser.
- an additional package portion such as a complementary lid
- the wrapper is encircling said stack.
- a wrapper encircling the stack may provide sufficient stability and protection for being the only packaging part of the complete package.
- the package may consist of the stack and the wrapper.
- the wrapper may be arranged to extend over the bottom and top surfaces, and the front and back surfaces of the stack. This is believed to provide good stability to the package, and may moreover be suitable from a manufacturing point of view.
- the wrapper is free from connection to the web material of said stack. This implies that the wrapper may easily be completely removed from the integrity of the stack.
- stacks of z-folded continuous material is primarily intended for larger dispensers, having storage spaces with room for several stacks, it is advantageous that at least one of top and bottom surfaces of said stack is provided with a connector for enabling connection of said stack to another, similar stack.
- the wrapper is configured to be completely removable from the stack while the package is resting on the front or back surface.
- opening feature is for predetermined opening of the package means that the package will open at a predetermined location and in a predetermined manner, as opposed to a package without predetermined opening which is intended for opening merely by rupturing or breaking the package material anywhere and in an uncontrolled manner.
- Opening features for predetermined opening could for example comprise openable closures, including openable adhesive closures, ultrasonic closures, or heat welded closures, and/or they could comprise weakening lines such as perforations.
- the front and back surfaces may be the largest outer surfaces of the stack.
- the front and back surfaces may each have an area being at least 1.5 times, preferably at least 2 times larger than the maximum area of any one of the top, bottom or side surfaces of the stack.
- the wrapper may be of a polymer based material, or of a starch based material. PP, PE and PVA materials, and mixtures thereof, are examples of suitable polymer materials. Paper materials, advantageously coated or calendared to provide a smooth surface, may also be preferred. Generally, the wrapper material should have sufficient drapability and strength so as to conveniently be wrapped around the stack.
- wrapper for use in a method for removal of the wrapper as described herein, it is advantageous to provide a wrapper with an outer surface being sufficiently smooth, such that the removal of the wrapper including the sliding of a wrapper portion underneath the stack, is not hindered by friction between the wrapper and the stack and/or underlying support surface. Also, the wrapper material should be sufficiently strong to enable pulling thereof without risk of breaking the material.
- Preferred web materials are flexible web materials intended for wiping, such as paper tissue materials, non woven tissue materials, or mixtures thereof.
- the wrapper comprises an opening feature enabling predetermined opening of said wrapper from the stack.
- said opening feature comprises a gripper which enables removal of the wrapper from the stack by pulling said gripper.
- pulling said gripper could also result in the opening of said package.
- the wrapper may be positioned resting on an outer surface thereof on a support surface of the dispenser, whereafter the gripper is gripped and pulled, preferably by one hand only, so as to open the package and remove the wrapper from the stack.
- the opening feature is arranged on the front and/or back side of said package.
- the opening feature is arranged on the outer side of the package opposing the outer side on which the package is to rest during removal of the wrapper.
- the wrapper comprises a wraparound strip arranged to encircle said stack.
- Such strips may easily be designed to accomplish the tasks of maintaining and optionally also of protecting the stack during transport and storage thereof. Moreover, they are preferable from a manufacturing point of view, since they may be produced relatively easily, using standard equipment and requires relatively small amounts of material.
- the wraparound strip extends over the front, back, top and bottom surfaces of the stack, to maintain its integrity.
- the wraparound strip may be provided with a closure, preferably an adhesive closure, closing the strip around said stack.
- an opening feature as described in the above may be is arranged such that opening said wrapper using the opening feature implies braking said closure.
- a gripper may be arranged in or adjacent said closure, such that initial pulling of the gripper implies breaking of the closure, and continued pulling of the gripper results in complete removal of the wraparound strip from the stack.
- the web material of the stack may be a continuous web material being provided with weakening lines, preferably perforation lines dividing said web into individual sheets.
- the stack may comprise a first web material divided into individual sheets by means of lines of weakness, and a second web material divided into individual sheets by means of lines of weakness, said first and second webs being interfolded with one another so as to form said stack, and the first and the second webs are arranged such that the lines of weakness of the first web and the lines of weakness of the second web are offset with respect to each other along the webs.
- the package comprising a stack and wrapper as proposed herein enables use of stacks having other dimensions than those previously proposed.
- the height of the stack is more than 17 cm, preferably more than 20 cm, more preferred more than 22 cm, most preferred more than 25 cm, or even more than 30 cm. That larger stacks may now conveniently be provided in packages which are still easy to load into a designated dispenser implies that more web material may be contained in each stack. Accordingly, fewer packages are needed to refill a specific dispenser completely.
- the height of the package may begreater than 0.5 x the length of the stack (L), preferably greater than 0.75 x the length of the stack (L), most preferred greater than the entire length of the stack (L).
- the height (H) of the package is greater than the length (L) and greater than the width (W).
- the outer surface on which the package is resting during removal of the wrapper is the front or the back surface of the package.
- the front and back surfaces of the package are the surfaces adjacent or generally formed by the folded edges of the web material of the stack.
- the wrapper comprises an opening feature, preferably a gripper.
- the method comprises pulling a gripper of the wrapper such that the wrapper is opened and completely removed from said stack.
- a one hand grip and pull is all that is necessary to remove the wrapper from the stack.
- the package comprises a wrapper forming a wrap-around-strip encircling the stack and extending over said outer surface thereof, that is, the outer surface on which the package is to rest during removal of the wrapper. Accordingly, a portion of the wraparound strip will be located underneath the stack before the wrapper is removed.
- the method for opening the package then includes removing said wrap-around-strip from the stack by allowing a portion of the strip to slip underneath said outer surface while the stack remains resting on said outer surface.
- the method for opening a package as presented herein may advantageously be used in a method for loading a dispenser including a housing having a storage space for storing said stack. To this end, it is envisaged to
- the stack when the wrapper is removed from the stack, the stack is already present in a storage space of the dispenser, and there is no need for further handling thereof which necessitates manual maintaining of the stack's integrity.
- the stack could be further moved or fed inside the dispenser.
- the method is particularly useful for dispensers having a storage space being designed to store more than one stack. That is for dispenser intended to hold relatively large volumes of material.
- the method may advantageously comprise connecting said stack to another, similar stack provided in said storage space.
- the stack may advantageously comprise at least one connector for connection to another, similar stack provided in said storage space, and said method comprises, after removing the wrapper from the stack, coupling said stack the other, similar stack provided in said storage space, via said connector.
- Fig. 1 illustrates an embodiment of a stack of web material
- Fig. 2 illustrates an embodiment of a package including a wrapper and a stack
- Fig. 3 illustrates another embodiment of a package including a wrapper and a stack
- Figs. 4a to 4c illustrate a method for opening a package including a wrapper and a stack as in Fig. 2
- Figs 6-7 illustrate embodiments of joint regions of a wrapper
- Figs 8a and 8b illustrate the opening of an embodiment of a wrapper
- Figs 9a and 9b illustrate the opening of another embodiment of a wrapper
- Figs 10a and 10b illustrate an embodiment of a stack of web material comprising connectors
- Fig. 1 1 illustrates another embodiment of a stack of web material comprising a connector
- Fig. 12 illustrates an embodiment of a stack of web material
- Fig. 13 illustrates an embodiment of a dispenser
- Figs 14a to 14d illustrate an embodiment of a method for refilling a dispenser
- Fig. 1 together with Fig. 12 illustrate an embodiment of a stack 1 of web material for hygiene products, for use in a dispenser.
- the stack 1 comprises at least one continuous web material 2, 3 being Z-folded about transverse folding lines, thereby providing panels having a length L along said folding lines, and a width W perpendicular to said folding lines.
- the panels are piled on top of each other to form a stack, having a height H.
- said stack outlines a rectangular parallelepiped having said length L, width W and height H.
- the parallelepiped will have six outer surfaces:
- continuous web material is meant a material which may be continuously fed for example when arranged in an appropriate dispenser.
- Preferred web materials are in particular such that are suitable for forming absorbent tissues for personal use, e.g. for wiping the hands of a user after wash, for napkins, or for object wiping purposes.
- web material is herein to be understood to include tissue paper materials, nonwoven materials, and materials being a mixture of tissue paper and nonwoven materials.
- tissue paper is herein to be understood as a soft absorbent paper having a basis weight below 65 g/m 2 and typically between 10 and 50 g/ m 2 . Its density is typically below 0.60 g/cm 3 , preferably below 0.30 g/cm 3 and more preferably between 0.08 and 0.20 g/cm 3 .
- the tissue paper may be creped or non-creped. The creping may take place in wet or dry condition.
- the tissue paper may be made by TAD or atmos-methods.
- the fibres contained in the tissue paper are mainly pulp fibres from chemical pulp, mechanical pulp, thermo mechanical pulp, chemo mechanical pulp and/or chemo thermo mechanical pulp (CTMP).
- CTMP chemo mechanical pulp
- the tissue paper may also contain other types of fibres enhancing e.g. strength, absorption or softness of the paper. These fibres may be made from CTMP.
- regenerated cellulose or synthetic material such as polyolefins, polyesters, polyamides etc.
- nonwoven is applied to a wide range of products which in term of their properties are located between the groups of paper and cardboard on the one hand and textiles on the other hand.
- nonwovens a large number of extremely varied production processes are used, such as airlaid, wetlaid, spunlaced, spunbond, meltblown techniques etc.
- the fibres may be in the form of endless fibres or fibres prefabricated with an endless length, as synthetic fibres produced in situ or in the form of staple fibres.
- they may be made from natural fibres or from blends of synthetic fibres and natural fibres.
- the web material of the multi-ply web according to the invention may be recycled flexible material, newly-produced material or a combination thereof.
- Similar stacks as the one described in Fig. 1 may be provided comprising one single continuous web material, or several interfolded continuous web materials.
- stacks as the one described in relation to Fig. 1 may be provided including folded web material, which is not continuous. Such stacks could comprise separate products being folded to form the desired panels.
- the products may be arranged on top of each other one by one in order to form said stack.
- the products may be interfolded.
- the continuous web material may be integral, such that it may be torn or cut into individual products at selected locations, e.g. in a dispenser.
- the web material may comprise weakening lines, along which the web is intended to be severed for formation of individual products.
- Fig. 12 illustrates an embodiment, where the stack comprises two webs 2, 3 of material, which are interfolded.
- the first and the second web material 2, 3, are each divided into individual sheets by lines of weakness 12.
- the first and the second webs 2, 3 are arranged such that the lines of weakness of the first web and the lines of weakness of the second web are offset with respect to each other along the webs.
- a stack 1 in accordance with this embodiment has the advantage that the webs 2, 3 may be automatically fed in a dispenser, requiring only the force from a user pulling one of the webs 2 to accomplish automatic feeding of the other web 3.
- a separation strength of the weakening lines may advantageously be in the range 1-30 N, preferably 3-20 N, most preferred 3-10 N. (The separation strength may be determined in accordance with a method as described below.)
- the weakening lines may be perforation lines.
- the geometry of the perforations may be selected to provide suitable strength in accordance with the web material and the dispenser to be used.
- the perforation lines may be formed by alternating bonds and slots. It has been found that a remaining bonded length, being the total bond length/(total bond length + total slot length) is between 4% and 50%, preferably between 4% and 25%, most preferred between 4% and 15%, is suitable for many relevant applications.
- the total bond length/(total bond length + total slot length) may be used as an indication of the strength of the perforation line. It is desired to form perforation lines which are strong enough to enable feeding of the web material from the stack in a suitable dispenser, but which are also weak enough to enable separation of the sheets. In this context, it is known that other parameters will also influence the strength of the perforation line, such as the web quality, and the size, shape and distribution of the slots and tabs. The above-mentioned measure may therefore be useful for guiding the person skilled in the art when selecting suitable perforation lines.
- the weakening lines 12 of each one of the webs 2, 3, always appear at the same distance from the folded edges 4 of the stack 1.
- (the distance between two consecutive weakening lines 12) / (the distance between two consecutive folding lines 4) an integer greater than zero.
- the distance between two consecutive weakening lines 12 could be selected so as not to be evenly divisible with the distance between two consecutive folding lines 4.
- the weakening lines 12 will appear at various distances from the folding lines 4, as seen from the side surfaces 7, 8 of the stack 1. This might be preferred, since such a stack 1 may avoid experiencing problems due to irregularities in the panels originating from the presence of the weakening lines 12, and being multiplied over the height of the stack. In particular, such problems may become pronounced for stacks 1 having relatively great heights and/or including a relatively large number of panels. By securing that the weakening lines 12 will become distributed over the width of the stack 1 , any irregularities are also distributed, and the stability of the stack 1 may be improved.
- the distance between consecutive weakening lines 12 being other than evenly divisible with the width W of the stack 1 enables the length of the products to be selected freely, without limitations involving considerations of the width W of the stack.
- the width W of the stack 1 , as well as the length L must usually be selected in accordance with the size of a storage space in a housing of a dispenser from which the web material 2,3 is to dispensed.
- the weakening lines 12 are distributed along the web such that essentially no weakening line 12 will coincide with a folding line 4 in the stack.
- a weakening line, in particular a perforation line, being simultaneously a folding line might give rise to a crease in the web material which is not smoothed out as much as other folding lines when the web is unfolded to be fed through a dispenser.
- such a crease could give rise to unwanted irregularities when feeding the web material.
- such a crease in one web might result in that web becoming asynchronised with the other web (s).
- first web material 2 and the second web material 3 are joined to each other at a plurality of joints 13 along said webs 2,3.
- joints 13 are regularly distributed along the webs 2,3. Joints 13 between the first and the second web 2,3 serve the purpose of hindering the webs from becoming asynchronous during feeding of the webs in a dispenser.
- stacks are used including relatively long web lengths, that is for stacks having a relatively great height and/or including a relatively large number of panels.
- long web lengths run uninterrupted, there might be an increased risk that the two webs 2, 3 in a stack 1 become asynchronised during feeding thereof from the stack. This is particularly the case when the web is fed from the top of the stack, as seen when the stack is arranged in the dispenser. With appropriately distributed joints between the two webs, any such risks may be avoided or diminished.
- the joints 13 could connect the material surfaces, i.e. the panel surfaces, of the webs 2, 3 to each other, or they could connect the longitudinal edges of the webs to each other.
- the joints 13 could be distributed in different numbers, sizes and patterns.
- the joints 13 could be in the form of adhesive.
- Fig. 1 illustrates an embodiment of a stack 1 having a height H greater than what is conventional in the art.
- the height H is greater than what is conveniently graspable by an attendant, using one hand only. It is proposed that stacks may be provided having a height H greater than 17 cm. Also, stacks having heights greater than 20 cm, greater than 22 cm, greater than 25 cm, or greater than 30 cm may be preferred.
- the height of a stack is to be measured at the maximum height thereof.
- the stack may be regular, such that the same height is achieved wherever the measurement is made. If however, the stack is irregular (perhaps due to perforation lines being arranged directly over each other), the height should be measured at the maximum height of the stack. If the stack has been compressed, it should be allowed to recover before the height is measured. To this end, it is suggested that any wrapper is removed from the stack, and the stack is allowed to rest for half an hour on its bottom surface before the height measurement is performed. If the stack is irregular, the maximum height should be considered.
- the stack may be supported so as to ensure that it stays in an upright position during the rest period, and during the subsequent height measurement.
- the stack may be positioned such that its front and/or back surface leans against a wall.
- the volume enclosed by said rectangular parallelepiped shape may advantageously be at least 2.6 dm 3 , preferably 3.7 dm 3 , most preferred 4.3 dm 3 . It will be understood that larger volumes are now available than with prior art stacks.
- the total length of the web material in the stack may be at least 45m, preferably at least 60m, most preferred at least 75m.
- the stack may comprise at least 640, preferably at least 800, most preferred at least 1000 panels.
- a stack may advantageously comprise at least 160, preferably at least 200, most preferred at least 150 individual sheets.
- the parallelepiped shape of the stack is such that the front and back surfaces 9,10 are the largest outer surfaces of the stack, as illustrated in the embodiment of Fig. 1.
- the front and back surfaces 9, 10 are the outer surfaces including the folded portions of the web material in the stack.
- Fig. 1 illustrates an embodiment where the front and back surfaces 9, 10 may each have an area being at least 1.5 times, preferably at least 2 times larger than the maximum area of any one of the top, bottom or side surfaces of the stack.
- N.B with the area of a surface of the stack is meant the area of the corresponding surface of the parallelepiped shape outlined by the stack.
- the volume of the stack is the volume of the parallelepiped shape outlined by the stack.
- the height (H) of the stack may be greater than 0.5 x the length (L) of the stack, preferably greater than 0.75 x the length (L) of the stack, most preferred greater than the entire length (L) of the stack.
- the height (H) is greater than both the (L) and the width (W) of the stack.
- a stack as described in the above may naturally be intended to completely fill a storage space of a designated dispenser. However, for larger dispensers, intended for use where large quantities of products are used, the stack may be intended for connection to other stacks to form a combined stack filling the storage space of a larger dispenser.
- Connections between stacks may be accomplished e.g. by addition of adhesive to the top and/or bottom end of the stack, and attachment of another stack thereto.
- the stack is advantageously provided with a connector on the top and/or bottom surface thereof.
- the stack 1 illustrated in Fig. 1 comprises a connector 11 arranged on the top surface 5 of the stack.
- At least one of the top and bottom surfaces of the stack may be provided with a connector for enabling connection of said stack to another, similar stack.
- a connector for enabling connection of said stack to another, similar stack.
- Such connectors could be adhesive, e.g. in the form of an adhesive area, optionally initially covered by a release paper, a self-adhering adhesive (which would adhere only to a similar adhesive provided on an adjacent stack), an adhesive tape or similar.
- such connectors could be mechanical, such as in the form of hook-loop or hook-hook connections.
- Mechanical connectors have the advantage of providing a secure connection between themselves, whilst not being prone to unwanted connection to other materials, such as to the material web itself. Hence, use of mechanical connectors facilitates the general handling of the stacks.
- stack of web material for hygiene products for use in a dispenser, comprising at least one continuous web material being Z-folded about transverse folding lines, thereby providing panels having a length along said folding lines, and a width perpendicular to said folding lines, said panels being piled on top of each other to form a height of said stack.
- the stack comprises a first connector for
- the first connector covers a panel area smaller than the panel area covered by said second connector.
- first and second connector is meant e.g. a portion of material which potentially (if in contact with another connector) may contribute to the interconnection of the two stacks.
- first and second connector is meant e.g. a portion of material which potentially (if in contact with another connector) may contribute to the interconnection of the two stacks.
- the connectors are to be connectors for mechanically interconnecting the end surfaces of the stacks to other, similar stacks, as is required when the stacks are to be used in a dispenser having a large storage space housing several stacks.
- Preferred mechanical connectors may be openable and reclosable, which provides the possibility of correcting the position of the stack, if an attendant has unintentionally performed an unsuitable first interconnection between two stacks.
- the web material is to be run along a web path and through a number of devices before being fed to a user.
- Such devices could include various rollers, cutters, perforation cutters, and the like.
- Mechanical connectors may be designed such that they may pass these various devices without hindering the web, and without leaving residues on the devices themselves. It is suggested herein to provide a stack having a first connector which covers a smaller panel area than the second connector. Generally, connectors covering larger areas are advantageous because with large connectors, the stacks may easily be positioned so as to abut each other, and to interconnect.
- connectors covering a smaller panel area are useful in that less material will result in decreased costs for the stack.
- connector material depending on the properties of the selected connector material, there is a risk that a user being served with a product including such a connector material will perceive the product as having a lesser quality. A reduced amount of material diminishes the risk that the user will experience this problem.
- a problem with small connectors is however that the positioning of the stacks to be interconnected might be difficult and time consuming for an attendant. Having a first connector with a smaller panel area than the second connector allows for minimisation of said first connector. Easy interconnection between stacks may still be achieved since the larger second connector will provide for a large connection surface.
- the first and second connectors may be of the hook and hook type, or of the hook and loop type.
- the first connector is formed of the most disturbing (e.g. abrasive or stiff) material, so as to minimise the presence thereof in the stack. Accordingly, when the first and second connectors are of the hook and loop type, it is generally preferred that the first connector is a hook material.
- Figs. 10a and 10b illustrate an embodiment of a stack having a first and a second mechanical connector, where the area of the first connector 1 1a is less than the area of the second connector 1 1 b.
- the first connector 11 a is in this case arranged on the top surface 5 of the stack
- the second connector 1 1 b is arranged on the bottom surface 6 of the stack 1.
- the first connector may cover a panel area being less than 50% of the panel area covered by the second connection means, preferably less than 30% most preferred less than 20%.
- the area of the first connector 1 1a is about 25% of the area of the second connector 11 b.
- Each one the first and second connector may advantageously be symmetrically arranged in view of the width of the stack, preferably centrally arranged.
- first and second connectors are symmetrically arranged in view of the width of the stack, it is possible to turn the stacks in either way in this direction, and still achieve interconnection between the stacks.
- the first and second connectors 11 a and 1 1 b are symmetrically arranged in view of the width of the stack. Moreover, in this case they are centrally arranged in view of the width of the stack.
- At least one of the first and second connectors is preferably symmetrically arranged in view of the length extension (L) of the stack, preferably centrally arranged.
- at least one, or both, of the first and second connectors 11 a, 11 b may be diagonally arranged between two diagonally opposite corners of the top or bottom surface of the stack 1.
- At least one of the first and second connectors extends along essentially the entire length (L) of the stack. This feature is advantageous for reasons of production, where a piece of material may conveniently be attached all over the length of the stack.
- both connectors 1 1a, 1 1 b extend along the entire length of the stack 1. Hence, they are naturally symmetrically arranged in view of the length extension L of the stack 1.
- Fig. 1 1a illustrates an alternative embodiment, where the first connector 11 a, in this case arranged on the top side 5 of the stack 1 , does not extend over the entire length L of the stack. Instead, the connector 11 a comprises a smaller piece of material, being centrally arranged as seen both in the length direction, and in the width direction of the stack.
- first connector 1 1a as illustrated in Fig. 1 1a may for example be combined with a second connector as depicted in Fig. 10b.
- first connector 1 1a has an area being less than 20% of the area of the second connector 1 1 b.
- At least one of the first and second connectors extends along the majority of the length of the stack, leaving the side portions of the web free from connector.
- the connector may extend over more than 75% of the entire length, but less than 90 % of the entire length.
- This variant may be advantageous in particular if the stack is intended for a particular dispenser being sensitive to added material at the edges of the web, perhaps if a relatively thick connector material is used.
- At least one of the first and second connectors may consist of a continuous piece of connector material. In the illustrated embodiments, both connectors 1 1a, 11 b consist of a continuous piece of material.
- At least one of the first and second connectors comprises a plurality of pieces of connector material, intermittently arranged to said stack.
- At least one, preferably both, of said connectors comprises connector material being adhesively attached to said stack.
- the connector material may be glued to said stack during production thereof, or the connector material may be provided as a sticker material being attached to the stack.
- the first connector may have an extension in the width direction of the stack of less than 3 cm, preferably less than 1.5 cm, most preferred less than 0.5 cm.
- the first connector may cover a panel area of less than 120 cm 2 , preferably less than 60 cm 2 , most preferred less than 30 cm 2 .
- the second connector may have an extension in the width direction of the stack of less than 8.5 cm, preferably less than 6 cm, most preferred less than 5 cm.
- the second connector may cover a panel area of less than 120 cm 2 , preferably less than 60 cm 2 , most preferred less than 30 cm 2 .
- the attachment of said connector 11 to the stack 1 may simultaneously accomplish interconnection of the first and second webs 2,3 at said connector 1 1.
- the two webs 2,3 could be interconnected adjacent said connector 11 such that both webs 2,3 of the stack will be fed when the web of the other, interconnected stack 1 is pulled.
- a stack is now available, which may contain more web material than previous stacks. Accordingly, fewer stacks are required to fill e.g. an existing storage space of a larger dispenser, than with previous stacks. This means that the refill procedure may be performed in fewer steps, and that fewer adhesions between stacks need to be created. This reduces the time required by an attendant to perform the refill of a dispenser.
- That fewer adhesions are necessary to perform the refill procedure also implies that the adhesions or connections between web material portions fed out from a dispenser including the present stacks will be distributed more scarcely. Accordingly, the risk that a user is disturbed by the presence of such an adhesion or connection between webs is diminished. Moreover, the required amount of adhesion material is reduced.
- connectors may be present scarcer than at every 640th panel, preferably every 800th panel, most preferred every 1000 th panel. Besides from reducing the number of connection operations to be performed, this also reduces the likelihood that a user shall be supplied with a product including a connector.
- a stack of web material for hygiene products for use in a dispenser, comprisingat least one continuous web material being Z-folded about transverse folding lines, thereby providing panels having a length along said folding lines, and a width perpendicular to said folding lines, said panels being piled on top of each other to form a height of said stack
- stack comprising a first connector for mechanically connecting a first end surface of said stack to another, similar stack, and
- a second connector for mechanically_connecting a second end surface of said stack to another, similar stack, wherein said first connector and second connector each covers an area of less than 120 cm 2 , preferably less than 60 cm 2 , most preferred less than 30 cm 2
- the first and second connectors should, when connected, be able to resist the forces involved when the web of the interconnected stacks is pulled, such as when the interconnected web is drawn through a designated dispenser.
- the interconnection of the first and second connectors should resist a shear force greater than the force required to pull a product of the web from the dispenser.
- the interconnection between the first and second connectors is stronger than the force required to rupture the web along the weakening lines.
- a stack of web material for hygiene products for use in a dispenser, comprising at least one continuous web material being Z- folded about transverse folding lines, thereby providing panels having a length along said folding lines, and a width perpendicular to said folding lines, said panels being piled on top of each other to form a height (H) of said stack.
- first end surface is provided with a first mechanical connector
- second end surface is provided with a second mechanical connector
- said first and second connectors being adapted for mechanical interconnection of the first end surface of the stack to a second end surface of another, similar stack, and/or of the second and surface of the stack to a first end surface of another, similar stack via said connectors, wherein said first connector and second connector, each have a height of less than 1 mm, preferably less than 0.75 mm, most preferred 0.5 mm.
- the height of the connector is to reflect the height added to the web material at the location of the connector. Accordingly, the height of the connector should include e.g. the thickness of any backing material and the hook/loop size, if a hook or loop material is used. It is generally desired to use relatively small heights, to ensure that the presence of the connectors is not perceived as disturbing to a user.
- a stack as described in relation to Fig. 1 may be provided in a package for maintaining the integrity of the stack during transport and storage thereof.
- Such a wrapper should extend at least over said height (H), so as to maintain the integrity of the stack during transport and storage thereof.
- the term "wrapper" is to include various types of packages which may have different shapes, be made out of different materials etc. Many types of wrappers are known in the art.
- the wrapper may be made by polymer materials or starch based materials. If desired, the wrapper may be made by recyclable material. It is preferred that the wrapper is configured to be removable from the integrity of the stack.
- the wrapper is configured to be removable from the integrity of the stack while the stack is resting on an outer surface thereof, preferably the front or back surface.
- Fig. 2 illustrates an embodiment of a package comprising the stack of Fig. 1 , and a wrapper 14.
- the wrapper 14 is removable from the stack while the package 1 is resting on one of its outer surfaces, in this case the back surface 10.
- the wrapper could be a lid arranged over the front surface of the stack, and surrounding at least the top and bottom surface thereof. Such a lid could be removed while the stack is resting on its back surface.
- a wrapper could be a sticker or tape arranged over e.g. the front surface of the stack. Such a sticker or tape could be removed while the stack is resting on its back surface.
- wrappers could be included in packages preferably having also other parts. With a wrapper essentially covering only one side or half of the stack, there might be a need for an additional package portion, such as a complementary lid, to be provided on the other half of the stack during transport and storage thereof. In such cases, any such additional package portions may be removed before the stack with the wrapper is introduced in a housing of a dispenser.
- an additional package portion such as a complementary lid
- the wrapper is encircling said stack.
- a wrapper encircling the stack may provide sufficient stability and protection for being the only packaging part of the complete package.
- the package may consist of the stack and the wrapper.
- Figs 2 and 3 both illustrate embodiments where the wrapper is encircling the stackl .
- the wrapper 14 extend over the bottom 5 and top 6 surfaces, and the front 9 and back 10 surfaces of the stack. This is believed to provide good stability to the package, and may moreover be suitable from a manufacturing point of view.
- the wrapper 14 extends over the complete bottom, top, front and back 5, 6, 9, 10 surfaces of the stack 1. The end surfaces 7, 8 are not covered by the wrapper 14.
- Fig. 3 differs from the one in Fig. 2 in that the wrapper 14 is narrower, and extends only over a portion of the bottom, top, front and back surfaces 5, 6, 9, 10 of the stack 1. Accordingly, this embodiment provides an opportunity to save wrapper material.
- the wrapper 14 is free from connection to the web material of said stack 1. This ensures that the wrapper 14 may easily be removed from the integrity of the stack 1.
- the wrapper comprises an opening feature, in this case including a gripper 15.
- the package may be opened by pulling the gripper 15 such that the wrapper 14 opens and may be removed from the stack.
- a one hand grip and pull is all that is necessary to remove the wrapper from the stack.
- the wrapper 14 is formed by a wrap-around strip encircling the stack 1 so as to extend over the outer surface 10 on which the package is to rest during removal of the wrapper 14. Accordingly, a portion of the wraparound strip will be located underneath the stack 1 before the wrapper 14 is removed. As will be described in the below, for opening the package the wrap-around-strip is removed from the stack by allowing a portion of the strip to slip underneath said outer surface 10 while the stack 1 remains resting on said outer surface 10.
- Figs 4a-4c illustrate a method for removing the wrapper 14 of the package in Fig. 2, or the package in Fig. 3, from the stack 1.
- Fig. 4a illustrates a first step of positioning the package such that it is resting on an outer surface thereof, in this case the back surface 10. Hence, the package is resting on an outer surface which corresponds to the folded edges of the stack. Moreover, the package is resting on an outer surface being one of the largest surfaces of the stack.
- the front surface 9, where the wrapper 14 is provided with an opening feature including the gripper 15, is directed upwards. The gripper 15 may be gripped and pulled as indicated by the arrow in Fig. 4a, to open the package.
- Fig. 4b illustrates the situation when the gripper 15 has been pulled, causing the wrapper to open such that a portion of the front surface of the stack 1 is revealed. Continued pulling of the gripper 15 in the direction of the arrow in Fig. 4b will result in removal of the wrapper 14 from the stack 1.
- Fig. 4c illustrates the situation during continued pulling of the gripper 14. It is illustrated how the portion of the wrapper opposite the gripper 15 has been drawn from its initial location covering a portion of the front surface 9 of the stack 1 , over the top/bottom surface of the stack 1 , and finally underneath the stack 1. Hence, a portion of the wrapper 14 will slide between the back surface 10 of the stack and a support surface on which the package is resting. Continued pulling in the direction of the arrow will result in the final portion of the wrapper 14 sliding underneath the stack 1 such that the wrapper 14 is finally completely removed from the stack 1.
- this procedure for removal of the wrapper 14 from the stack 1 may be performed in one single movement by pulling the gripper 15 with a single hand.
- the procedure is to be performed when the package is resting on a support surface forming part of a storage space of a dispenser (or possibly on some surface being designed such that the stack may be pushed or slid into the storage space without need for manually maintaining its integrity).
- the outer surface on which the package is resting during removal of the wrapper is the front or the back surface of the package.
- the front and back surfaces of the package are the surfaces adjacent or generally formed by the folded edges of the web material of the stack. Without being bound by theory, it is believed that the placement of the package on one of these surfaces is favourable since the stability of the stack seems to be improved by this position. Hence, the risk that the stack tips over or the like, and becomes disintegrated during removal of the wrapper is diminished.
- the method for opening a package as presented herein may advantageously be used in a method for loading a dispenser including a housing having a storage space for storing said stack. To this end, it is envisaged to
- - Provide a package comprising a stack and a wrapper
- the stack when the wrapper is removed from the stack, the stack is already present in a storage space of the dispenser, and there is no need for further handling thereof which necessitates manual maintaining of the stack's integrity.
- the stack could be further moved or fed inside the dispenser.
- the method is particularly useful for dispensers having a storage space being designed to store more than one stack. That is for dispensers intended to hold relatively large volumes of material.
- the method may advantageously comprise connecting said stack to another, similar stack provided in said storage space.
- the wrapper may be of a polymer based material, or of a starch based material.
- PP, PE and PVA materials, and mixtures and/or combinations thereof are examples of suitable polymer materials.
- Paper materials, advantageously coated or calendared to provide a smooth surface, may also be preferred.
- the wrapper material should have sufficient drapability and strength so as to conveniently be wrapped around the stack.
- the wrapper material should be sufficiently strong to enable pulling thereof without risk of breaking the material.
- a force required to pull the wrapper from the stack in this manner will depend on several parameters, including the properties of the web material and the wrapper material, as well as on the properties of the support surface on which the stack rests during removal of the wrapper. Also, the inclination of the support surface, the side upon which the stack is resting, and the weight of the stack might influence the force. However, for a package being positioned on a smooth, horisontal support surface, such as in a dispenser, and resting on its front or back side, the maximum force required during pulling of the wrapper from the stack may advantageously be 6 - 20 N, preferably 8 -12 N.
- the wrapper may be formed by a wraparound strip arranged to encircle said stack 1.
- wraparound strip is meant a strip of material which is arranged to encircle the stack. As will be described in the below, it is preferred that the wraparound strip encircles the entire stack, such that the end portions of the strip is joined in a joining region, advantageously in an overlapping relationship. However, one could imagine embodiments where a wraparound strip encircles the majority of the stack, but where a separate joining portion is arranged to connect the end portions of the strip and to span over a portion of the stack. For opening of the wrapper, the joining portion may then be removed from the wraparound strip.
- the wraparound strip may be provided with a closure, such as an adhesive closure, closing the strip around said stack.
- the wraparound strip may comprise an opening feature enabling predetermined opening of the strip.
- the predetermined opening is accomplished in that the closure closing the strip is openable. Accordingly, the opening said wrapper using the opening feature implies braking said closure.
- a gripper may be arranged in or adjacent the closure, such that initial pulling of the gripper implies breaking of the bond, and continued pulling of the gripper results in complete removal of the wraparound strip from the stack.
- Fig 2 illustrates an embodiment of a package where the wrapper 14 is designed as a wraparound strip forming a joint region 18, where a first end of the strip is attached to a second end of the strip using via a closure 19.
- a gripper 15 is arranged adjacent the first end of the strip enabling gripping of the wrapper 14 for removal thereof from the stack.
- the gripper 15 is formed by a separate piece of material, arranged in connection to the joint region 18.
- the gripper 15 is formed by a free end of the wrapper material, extending from the joint region 18 so as to be graspable.
- Figs. 5 to 7 describe embodiments for forming a joint region joining the two ends of a wraparound strip, e.g. a joint region 18 such as indicated in Fig. 2, including a gripper 15.
- Fig. 5 illustrates an embodiment where the joint region 18 comprises a first end 16 of strip material overlapping a second end 17.
- the length O over which the first end 16 and the second end 17 of strip material overlaps may advantageously be between 1 and 7 cm, preferably between 2 and 5 cm.
- the first end 16 and second end 17 are joined by an adhesive closure 19 in the form of intermittent glue dots in a linear shape.
- the adhesive closure 19 is arranged at a distance from the outermost border of the first end 16 of the strip, such that an outermost end of the first end 16 of the strip forms a flap 15 being graspable for opening of the wrapper 14.
- the flap 15 is formed by strip material.
- Fig. 6 illustrates an embodiment where the joint region comprises a first end 16 of strip material overlapping a second end 17.
- the first end 16 and second end 17 are joined by an adhesive closure 19a, 19b in the form of two areas of intermittent glue dots in linear shapes.
- a first linear shape of intermittent glue dots is arranged at a distance from the outermost border of the first and 16 of the strip, similar to what is shown in Fig. 5.
- a second linear shape of intermittent glue dots is arranged to fasten the outermost edge of the first end 16 of the strip to the underlying second end of the strip 17. However, an portion of the outermost edge of the first end of the strip 16 is free from adhesive, and hence form a flap 15 under which a user may introduce a finger for gripping the flap 15 and opening the package.
- both glued areas 19a, 19b may be accomplished using the same type of adhesive.
- the second glued area 19b, fastening the outermost edge of the first end 16 of the strip may comprise a relatively weak adhesive, whose function is mainly to initially fasten the flap 15 so that it does not protrude from the wrapper surface.
- the first area 19a may provide the necessarily strength to safely fasten the wraparound strip around the stack 1.
- the flap 15 is formed by strip material.
- Fig. 7 illustrates another embodiment, where a joint region comprises a first end 16 of strip material overlapping a second end 17.
- the first and second ends 16, 17 are again joined by an adhesive closure 19, for example in the form of intermittent glue dots arranged in a linear shape.
- a separate piece of material is introduced over the first end 16 and attached thereto, so as to provide a flap 15 for opening the wraparound strip.
- the flap 15 is formed by a separate piece of material.
- the closure may have many forms and shapes. Notably, it may be arranged to form at least one continuous glue line, or two continuous glue lines of which the outer may be attached to said flap.
- An openable closure is a closure which may be opened without rupturing the wrapper material.
- the openable closure is an openable adhesive closure, comprising a peelable adhesive.
- an openable adhesive closure could be accomplished using a peelable adhesive tape.
- the closure could be e.g. an openable welded closure, being welded with heat , induction or ultrasound.
- the flap may initially be fastened to the second end of the strip material, preferably using a relatively weak connection to the underlying strip material.
- the initial fastening should break relatively easily such that a user may grip and pull the flap.
- the first end and the second end of the strip may be arranged to overlap each other in said joint region.
- said overlap is over a length as measured along the length of the strip between 1 and 7 cm, preferably between 2 and 5 cm.
- the gripper 15 may have a free length as measured along the length of the strip of about 1-5 cm, preferably about 2-4 cm. It is proposed herein, that when a sticky adhesive closure is used, the closure should be arranged to have a stronger adhesion to said first end of the strip than to the second end of the strip, thereby allowing the strip to be removed from the stack by pulling said gripper while the package is resting on an outer surface thereof over which said wrapper initially extends, allowing said second end of the strip to slide underneath said outer surface of the stack.
- Figs. 8a and 8b illustrate an embodiment, where a joint region 18 comprises a second end 17 of the strip underlying a first end 16 of the strip, and being joined by an adhesive closure, in this case formed by two glue lines 19.
- a flap 15 formed by a portion of the first end 16 of the strip extends beyond the adhesive closure 19 so as to be graspable by a user. When the flap 15 is grasped and pulled in the direction of the arrow of Fig.
- the adhesive closure 19 will follow the first end of the strip 16, leaving the second end 17 substantially free from adhesive, as illustrated in Fig. 8b. Accordingly, when the strip is to be removed in accordance with a method such as described in relation to Figs. 4a to 4c, the second end 17 may slide underneath the outer surface 10 of the stack 1 , without being hindered by or leaving residues of adhesive during the removal of the wrapper 14 from the stack 1.
- the adhesive closure comprises a glue joint.
- an adhesive tape to provide said closure.
- the adhesive closure may comprise a peelable glue.
- a peelable glue could advantageously be a hotmelt adhesive, for example Dispomelt 8638E as provided by Henkel.
- the first and/or second end may be surface treated in various manners.
- the second end may be surface treated to become smoother, so as to facilitate release of the adhesive from the smoothened surface.
- Material surfaces may be smoothened by various known measures, such as silicone application or calendaring
- the second end 17 of the strip might bear some residues of the non-sticky adhesive - however, such residues should not be hindering for the end 17 to slip underneath the stack.
- the wraparound strip is closed by an adhesive closure 19, and the gripper 15 is arranged such that adhesive closure 19 breaks upon pulling the gripper 15, resulting in opening of the package.
- the wraparound strip is closed by a closure 19, but the wraparound strip is also provided with a transverse weakening portion being arranged to break upon pulling of the gripper 15.
- the weakening portion is weaker than the adhesive closure 19, such that the opening of the wrapper 14 will take place at the weakening portion. The breaking of the weakening portion hence accomplishes a predetermined opening of the wrapper.
- the weakening portion is arranged between a first portion of the strip comprising the closure and the gripper, and a second portion comprising only strip material. Accordingly, the strip is allowed to be removed from the stack by pulling said gripper while the package is resting on an outer surface thereof, over which said wrapper initially extends, allowing said second portion of the strip to slide underneath said outer surface of the stack.
- Figs 9a and 9b illustrate such an embodiment.
- a joint region 18 comprises a second end 17 of the strip underlying a first end 16 of the strip, and being joined by an adhesive closure, in this case formed by two glue lines 19.
- a flap 15 formed by a portion of the first end 16 of the strip extends beyond the adhesive closure 19 so as to be graspable by a user.
- a weakening portion 20 is arranged in said wraparound strip.
- such a weakening portion may be a perforated portion.
- the wraparound strip is hence divided into two portions, a first portion 21 a comprising the joint region 18, including second end 17 of the strip, the adhesive closure 19, the first end of the strip 16 and the gripper 16, and a second portion 21 b including only strip material.
- the gripper may be provided with a visual indicia for facilitating visual perception thereof.
- the indicia could for example be a contrasting colour or figure, being clearly discernible from the reminder of the package.
- the gripper and/or the wrapper may be provided with a visual indicia indicating the pulling direction for opening and removing the wraparound strip.
- a visual indicia indicating the pulling direction for opening and removing the wraparound strip.
- Such an indicia could e.g. be an arrow or other symbol indicating the pulling direction for opening the strip.
- an indicia 22 in the form of an arrow is provided on the wrapper 14.
- the wrapper may be provided with a visual indicia indicating a feeding direction for correct feeding of the package into a designated dispenser.
- a visual indicia is useful in particular when the stack is provided with end connectors, said end connectors being different on the top and bottom of the stack. In this case, the connectors will only serve to interconnect the stacks if properly positioned. Accordingly, the attendant may benefit from the aid of an indicia indicating the proper direction of the stack for interconnection to another, similar stack.
- the web material may be contained in a storage space, from which the material is drawn via a web path to a dispensing outlet of the dispenser.
- the storage space and path are arranged such that the web material is fed from the top of the stack contained in the storage space.
- a leading end of a first stack of web material must usually be threaded through the dispenser, along the web path, and to the dispensing outlet. After initial threading, the web material may be drawn from the dispenser.
- a dispenser to be replenished with web material comprises a housing having a storage space, where at least a portion of an initial, or remaining stack is present.
- a dispenser including a housing having a storage space for storing at least two stacks, said storage space comprising at least a portion of an initial stack by providing a stack as described in the above, positioning said stack on a support surface, such that the stack rests on one of its outer surfaces facing said support surface; and interconnecting said stack with the initial stack, while the stack remains resting on said support surface.
- a support surface of the dispenser which supports the stack at least in a vertical direction, and having an area large enough to support more than one stack at the time.
- the stack On such a support surface, the stack may be arranged, preferably resting on a front or back surface thereof, and conveniently connected to the remaining stack. Several stacks may be arranged after one another on the support surface, and still the connection may easily be performed.
- the dispenser may for example be provided with a pivotable storage space which may be swung from an initial, vertically extending position, to a generally horizontal loading position.
- a vertical wall of the storage space extending along the height of the dispenser in its use position, may thus form a horizontal support surface when in its swung out state.
- the storage space including the stacks may be swung back to a vertical position, where the previously horizontal support surface could form a vertical wall of the storage space. In this manner, a convenient horizontal support surface may be accomplished and, when in use, the dispenser will not need more space (area of the floor) than other dispensers.
- a suitable dispenser could be a dispenser for dispensing a sheet of web material from a stack of folded web material.
- a dispenser may comprise: a housing arranged to be positioned along a vertical direction, a dispensing arrangement including a dispensing opening for the web material in the housing, and a web material storage section inside the housing arranged to hold and support the stack of folded web material.
- the web material storage section comprises, seen along the vertical direction, an upper end portion and opposite thereto a lower end portion.
- the web material is arranged to be lead to the dispensing arrangement from the upper end portion and the stack of folded web material is arranged to be supported at the lower end portion.
- the web material storage section comprises a displaceable portion.
- the displaceable portion comprises the lower end portion, wherein the lower end portion, seen along the vertical direction, is arranged substantially underneath the upper end portion when the displaceable portion is arranged in a dispensing position.
- the displaceable portion is displaceable from the dispensing position to a tilted loading position, in which tilted loading position the lower end portion is positioned beside and below the upper end portion, seen along the vertical direction.
- Fig. 13 illustrates an embodiment of a dispenser 2 capable of providing a horizontally extending support surface having room for more than one stack.
- the dispenser 2 comprises a housing 4.
- the housing 4 is arranged to be positioned along a vertical direction 12.
- the housing 4 comprises a door 6.
- a dispensing opening 8 is provided in the housing 4 for dispensing the at least one sheet of web material.
- the dispenser 2 is arranged for dispensing web material from a stack of folded web material. The stack has been omitted in Fig. 13 for clarity reasons.
- the door 6 is arranged to be opened inter alia for replenishing the dispenser 2 with stacks of folded web material.
- the dispenser 2 comprises a dispensing arrangement 14 comprising the dispensing opening 8 and a serrated edge 80 for tearing off the at least one sheet from a tail of web material.
- the tail of web material extends from the stack of folded web material to the dispensing opening 8.
- a web material storage section 16 is provided inside the housing 4. The web material storage section 16 is arranged to hold and support the stack of folded web material.
- the web material storage section 16 comprises, seen along the vertical direction 12, an upper end portion 18 and an opposite lower end portion 20.
- the web material is arranged to be lead to the dispensing arrangement 14 from the upper end portion 18 and the stack of folded web material is arranged to be supported at the lower end portion 20.
- the web material storage section 16 comprises at a bottom element 22.
- Side elements 24 are provided to support the stack of folded web material along the vertical direction 12.
- the web material storage section 16 comprises a displaceable portion 26.
- the displaceable portion 26 is displaceable from a dispensing position to a tilted loading position. In Fig. 13 the displaceable portion 26 is illustrated in the tilted loading position. In this position, the displaceable portion 26 forms a support surface upon which a stack may be placed on its front and/or back surface for removal of a wrapper and/or for connection to a previous stack.
- the displaceable portion 26 comprises the lower end portion 20 of the web material storage section 16.
- the lower end portion 20, seen along the vertical direction 12 is arranged substantially underneath the upper end portion 18.
- the dispensing opening 8 is arranged above the lower end portion 20, seen along the vertical direction 12.
- the lower end portion 20 of the web material storage section 16 is positioned beside and below the upper end portion 18 of the web material storage section 16, seen along the vertical direction 12.
- the interconnection while the stack is resting on a support surface might also be performed using a support surface intended for only one stack at the time.
- the stack may be provided in a package as described in the above, and the method comprises: removing the wrapper from the package while it rests on said support surface, prior to interconnecting said stacks.
- a method for loading a stack in a dispenser including a housing having a storage space for storing said stack comprising positioning said package on a support surface, such that the stack rests on one of its outer surfaces facing said support surface, and removing the wrapper of said package, while the package is resting on said support surface.
- the outer surface upon which the stack is resting is a back, front or side surface of the stack, preferably the back or front surface of the stack.
- the storage space is arranged in said dispenser such that the web is to be fed from the top side of the stack.
- each of said stacks is provided with a connector, and the interconnection is made via the connectors.
- Figs. 14a - 14e illustrate a method of replenishing another dispenser 2 with a stack 96 of folded web material as described in the above. Only the displaceable portion 26 of the 10 dispenser 2 in the tilted loading position has been shown for clarity reasons. A stack 96 of folded web material, which has been placed in the dispenser 2 to replenish the same, forms part of a compound stack of folded web material inside the dispenser 2.
- Fig. 14a illustrates a stack 96 of folded web material held together by a wraparound strip
- Fig. 14b illustrates the stack 96 of folded web material placed in the displaceable portion 26 abutting with a
- Figs. 14c-14d illustrate the wraparound strip 98 being removed from the stack 96.
- the wraparound strip 98 is removed by pulling on the flap 99.
- the wraparound strip 98 is removed via the recess 64 in the lower end portion 20.
- Fig. 14e illustrates the stack 96 being pushed upwardly in the
- the projection members 72 of the supporting arrangement 70 may prevent the stack 96, now part of a compound stack of folded web material in the dispenser 2, from sliding back towards the loading opening 62.
- the projection members 72 of the supporting arrangement 70 may prevent the stack 96, now part of a compound stack of folded web material in the dispenser 2, from sliding back towards the loading opening 62.
- a further stack of folded web material may be placed in the dispenser 2 via the loading opening 62.
- Panel end surfaces 102, 104 of the stack 96 and the further stack are provided with a connector 94 for attaching the web material of the two packages to each other.
- a continuous web material may be provided between the two stacks, and thus also in in the compound stack in the dispenser 2.
- a stack in accordance with the above in a dispenser including a housing having a storage space for said stack, preferably said storage space being arranged in the dispenser such that web material is fed from the top side of the stack.
- a compound stack comprising a plurality of stacks as described in the above, said stacks being interconnected via interconnections, and said compound stack comprising an interconnection at less than every 640 th panel, preferably every 800 th panel, most preferred every 1000 th panel.
- said interconnections could be in the form of connectors as described in the above.
- a compound stack is the result of interconnecting a plurality of stacks.
- compound stacks may be accomplished having relatively scarcely distributed interconnections.
- a dispenser comprising a housing having a storage space including at least one stack as described in the above, preferably said storage space being arranged in the dispenser such that web material is fed from the top side of the stack.
- a dispenser comprising a housing having a storage space including a compound stack as described in the above, preferably said storage space being arranged in the dispenser such that web material is fed from the top side of the stack.
- Weakening line - e.g. a perforation line
- the maximum force separating the two individual sheets of a web, joined via a weakening line, is measured with a tensile strength tester.
- the width of the clamps may be selected to fit the samples.
- Sample preparation :
- the sample width shall be the entire product width, and hence include the entire weakening line. Measure 10 samples in the machine direction.
- the samples shall be conditioned for 4 h at 50 ⁇ 2% rh and 23 ⁇ 1 °C, in accordance with ISO-187 standard.
- the software of the tensile strength tester records the highest peak force detected during a test run of a sample.
- This maximum force (N) is used as a measure of the separation strength of the weakening line of the sample.
- a mean value of the maximum force (N) of 10 samples is regarded as a representative value of the separation strength of the weakening line of the samples.
- the samples are to be similar. Hence, they comprise similar web materials and weakening lines.
- the resulting measure is to be representative of the selected combination of web materials and weakening line.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Packages (AREA)
- Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/SE2012/051436 WO2014098667A1 (en) | 2012-12-19 | 2012-12-19 | Package comprising a stack of z-folded web material |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2934258A1 true EP2934258A1 (de) | 2015-10-28 |
Family
ID=50978817
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12890479.4A Withdrawn EP2934258A1 (de) | 2012-12-19 | 2012-12-19 | Verpackung mit einem stapel aus z-gefaltetem bahnmaterial |
Country Status (8)
Country | Link |
---|---|
US (1) | US20160022097A1 (de) |
EP (1) | EP2934258A1 (de) |
CN (1) | CN104869879A (de) |
AU (1) | AU2012397372A1 (de) |
CA (1) | CA2893868A1 (de) |
MX (1) | MX2015007970A (de) |
RU (1) | RU2015129509A (de) |
WO (1) | WO2014098667A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3132834B1 (de) * | 2014-05-15 | 2019-08-07 | Angel Playing Cards Co., Ltd. | Kartenverteilungsvorrichtung und kartenaufbewahrungsverfahren |
EP3721775A1 (de) * | 2014-06-19 | 2020-10-14 | Essity Hygiene and Health Aktiebolag | Spender und verfahren zum nachfüllen des spenders |
AU2015399433B2 (en) | 2015-06-22 | 2019-02-07 | Essity Hygiene And Health Aktiebolag | Method and apparatus for forming a package comprising a stack of absorbent tissue paper material and a packaging |
UA122069C2 (uk) | 2015-06-22 | 2020-09-10 | Ессіті Хайджин Енд Хелс Актіеболаг | Пачка, яка містить стопу абсорбуючого паперового матеріалу серветок і упаковку |
ES2868350T3 (es) | 2015-06-22 | 2021-10-21 | Essity Hygiene & Health Ab | Paquete que comprende una pila de material de papel tisú absorbente y un embalaje |
JP6576972B2 (ja) * | 2017-03-31 | 2019-09-18 | 大王製紙株式会社 | フィルム包装ティシュー |
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US1501662A (en) * | 1923-07-21 | 1924-07-15 | Independent Paper Mills Inc | Sheet of folded material |
US1579429A (en) * | 1923-12-11 | 1926-04-06 | R C Pell Jr | Starting device for packed folded paper |
US3212698A (en) * | 1964-05-08 | 1965-10-19 | Cello Foil Products Inc | Easy opening resealable bag |
NL7414099A (nl) * | 1973-11-24 | 1975-05-27 | Kronseder Hermann | Werkwijze voor het verpakken van etiketten en met die werkwijze verkregen eenheid van ver- pakking. |
EP0075644B1 (de) * | 1981-09-24 | 1985-11-21 | Kabushiki Kaisha Toshiba | Bündel und Verfahren zum Bündeln von Papierbogen oder dergleichen |
AU3217995A (en) * | 1994-07-25 | 1996-02-22 | Pwa Ortmann Ag | Toilet paper package in the form of an extended paper strip |
FR2742328B1 (fr) * | 1995-12-15 | 1998-01-23 | James River | Cartouche d'essuie-mains plies et enchevetres, procede de fabrication d'une telle cartouche et dispositif de fabrication |
US6286712B1 (en) * | 1999-09-24 | 2001-09-11 | Paper Converting Machine Co | Stack formed from connected groups of interfolded sheets |
US6168848B1 (en) * | 1999-10-07 | 2001-01-02 | Paper Converting Machine Co. | Stack comprising W-Z folded sheets |
US6609616B2 (en) * | 2001-01-02 | 2003-08-26 | Kimberly-Clark Worldwide, Inc. | Refillable tissue dispenser |
US20030015544A1 (en) * | 2001-07-19 | 2003-01-23 | Turbett James Lynn | Wipe refill kit |
US6880704B2 (en) * | 2001-09-14 | 2005-04-19 | Sca Hygiene Products Ab | Packaging wrapper for paper tissues |
US6634037B2 (en) * | 2001-12-17 | 2003-10-21 | Unilever Home And Personal Care, Usa Division Of Conopco, Inc. | Personal cleansing system |
US6971542B2 (en) * | 2002-12-13 | 2005-12-06 | Kimberly-Clark Worldwide, Inc. | Reach-in wipes with enhanced dispensibility |
FR2852932B1 (fr) * | 2003-03-26 | 2006-11-17 | Georgia Pacific France | Recharge de produits en feuilles enchevetrees |
US7213710B2 (en) * | 2003-05-13 | 2007-05-08 | The Procter & Gamble Company | Package for compressible flat articles |
SE525288C2 (sv) * | 2003-06-03 | 2005-01-25 | Sca Hygiene Prod Ab | Förpackning för en stapel av tissuepapper eller nonwoven |
US7487873B2 (en) * | 2003-06-03 | 2009-02-10 | Sca Hygiene Products Ab | Packing for a stack of tissue paper or nonwoven |
US7325376B1 (en) * | 2004-09-29 | 2008-02-05 | Fki Logistex Inc. | Apparatus and method for wrapping bulk products |
ES2344904T3 (es) * | 2004-12-29 | 2010-09-09 | Sca Hygiene Products Ab | Dispensador de toallas de papel "manos libres" y un sistema dispensador. |
US7695037B2 (en) * | 2005-11-29 | 2010-04-13 | Xerox Corporation | Packaged sheet media and method of using same |
JP5143575B2 (ja) * | 2008-01-18 | 2013-02-13 | 功 小林 | 紙片束の包装体 |
FR2932786B1 (fr) * | 2008-06-24 | 2010-06-11 | Maurice Granger | Dispositif de liaison de bandes de materiaux d'essuyage en provenance d'au moins deux piles conditionnees. |
EP2309906B1 (de) * | 2008-07-17 | 2013-04-10 | Sca Hygiene Products AB | Stapel aus gefaltetem material |
US20110315576A1 (en) * | 2009-03-12 | 2011-12-29 | Sca Hygiene Products Ab | Package of tissues |
BRPI1006539A2 (pt) * | 2009-03-31 | 2016-02-10 | Kimberly Clark Co | cartuchos de recarga de um produto de lenços de papel dobrados |
-
2012
- 2012-12-19 WO PCT/SE2012/051436 patent/WO2014098667A1/en active Application Filing
- 2012-12-19 US US14/653,557 patent/US20160022097A1/en not_active Abandoned
- 2012-12-19 MX MX2015007970A patent/MX2015007970A/es unknown
- 2012-12-19 EP EP12890479.4A patent/EP2934258A1/de not_active Withdrawn
- 2012-12-19 CA CA2893868A patent/CA2893868A1/en not_active Abandoned
- 2012-12-19 RU RU2015129509A patent/RU2015129509A/ru not_active Application Discontinuation
- 2012-12-19 CN CN201280077759.9A patent/CN104869879A/zh active Pending
- 2012-12-19 AU AU2012397372A patent/AU2012397372A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
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See references of WO2014098667A1 * |
Also Published As
Publication number | Publication date |
---|---|
CA2893868A1 (en) | 2014-06-26 |
MX2015007970A (es) | 2015-10-22 |
AU2012397372A1 (en) | 2015-07-09 |
WO2014098667A1 (en) | 2014-06-26 |
CN104869879A (zh) | 2015-08-26 |
US20160022097A1 (en) | 2016-01-28 |
RU2015129509A (ru) | 2017-01-24 |
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