EP4021822A1 - Emballage thermoretractable - Google Patents
Emballage thermoretractableInfo
- Publication number
- EP4021822A1 EP4021822A1 EP20761243.3A EP20761243A EP4021822A1 EP 4021822 A1 EP4021822 A1 EP 4021822A1 EP 20761243 A EP20761243 A EP 20761243A EP 4021822 A1 EP4021822 A1 EP 4021822A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- containers
- packaging
- film
- shrink
- shrink film
- 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.)
- Granted
Links
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 107
- 238000000034 method Methods 0.000 claims abstract description 28
- 230000002787 reinforcement Effects 0.000 claims abstract description 25
- 229920006300 shrink film Polymers 0.000 claims description 45
- 230000003014 reinforcing effect Effects 0.000 claims description 37
- 230000002093 peripheral effect Effects 0.000 claims description 26
- 238000005520 cutting process Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000012785 packaging film Substances 0.000 description 7
- 229920006280 packaging film Polymers 0.000 description 7
- 210000003739 neck Anatomy 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 230000001788 irregular Effects 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 241000286209 Phasianidae Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
Classifications
-
- 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
- B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
- B65B61/14—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for incorporating, or forming and incorporating, handles or suspension means in packages
-
- 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
- B65B21/00—Packaging or unpacking of bottles
- B65B21/24—Enclosing bottles in wrappers
- B65B21/245—Enclosing bottles in wrappers in flexible wrappers, e.g. foils
-
- 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
- B65B41/00—Supplying or feeding container-forming sheets or wrapping material
- B65B41/12—Feeding webs from rolls
-
- 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
- B65B53/00—Shrinking wrappers, containers, or container covers during or after packaging
- B65B53/02—Shrinking wrappers, containers, or container covers during or after packaging by heat
- B65B53/06—Shrinking wrappers, containers, or container covers during or after packaging by heat supplied by gases, e.g. hot-air jets
- B65B53/063—Tunnels
-
- 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
- B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
- B65B61/02—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for perforating, scoring, slitting, or applying code or date marks on material prior to packaging
-
- 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
- B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
- B65B61/04—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages
- B65B61/06—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting
-
- 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
- B65D71/08—Wrappers shrunk by heat or under tension, e.g. stretch films or films tensioned by compressed articles
-
- 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
- B65D75/56—Handles or other suspension means
Definitions
- the present invention relates to the field of packaging and more particularly to shrink packaging provided for coating a series of containers.
- the present invention further relates to a method of packaging containers by packaging.
- the present invention further relates to a shrink wrapping blank.
- Shrink wraps are products well known to manufacturers and consumers.
- the shrink wrap film is extremely versatile for the type of items to be wrapped or for the different sizes of items.
- shrink wrappers are ⁇ used only for packaging food, containers or any other item that can be packaged.
- shrink wraps can wrap any type of item of any size, both large and small.
- shrink packaging A large number of qualities are also known from shrink packaging. They are waterproof to protect packaged items from rain, humidity, condensation or dust. They are aesthetic, printed or not, with perfect transparency or with different degrees of opacity, in order to make the packaging attractive to consumers. Finally, they must have strength in order to withstand various mechanical stresses, to prevent them from tearing during transport, during storage in large areas or even when moving by consumers.
- the more conventional container shrink wraps include an additional central handle for moving the package that contains the containers. This type of handle generally consists of a first transparent or printed plastic part used for gripping and reinforcing parts intended to be attached to the packaging.
- This document discloses a shrink wrap intended to coat a series of containers, comprising:
- the shrinkable packaging according to this document comprises a reinforcing strip, which forms a handle, encasing the containers.
- the packaging and the reinforcement tape are put in contact beforehand, one on top of the other, then an incision step will take place in order to create two slits on the packaging, on each other. Of the band. This allows the consumer to slide their fingers through the slots e ⁇ to grip the handle formed by the film e ⁇ the strip to move the package.
- the creation of the slits occurs after the assembly of the film e ⁇ of the tape, e ⁇ they are therefore likely to be badly positioned which results in a poor balance of the packaging e ⁇ handling for transport difficult.
- the slits are ⁇ made before the heat shrinkage of the packaging film is ⁇ of sufficient width to allow the user's fingers to pass through. As a result, they can be deformed during heat shrinkage and form a package that is difficult to handle for handlers or end consumers.
- this type of packaging is not designed so that the consumer can easily extract a container, either in a store than at home.
- the user To extract a container from the shrink wrap according to this prior document, the user must force the tear of the wrapping film from the slit to the outside of the wrapper.
- the packaging film must be very resistant, this operation is complicated and sometimes impossible, for example for the elderly. This then contributes to an additional deformation of the packaging, which is further weakened, its strength is reduced in a critical way and it remains very difficult to move without the containers falling or else the packaging completely breaking. .
- a shrink wrap as indicated above characterized in that it comprises at least two lines of perforation which, in the central area of the upper part of the packaging, its ⁇ arranged parallel to each other, on either side of the reinforcement strip, and which each, in the peripheral zone of the upper part of the packaging, gradually move away from the reinforcement tape.
- central zone trusses is understood to mean the surface of the upper part corresponding to an overlap which is substantially parallel to the lower part corresponding to a bottom.
- the central zone is located in a plane substantially parallel to the plane of the lower part corresponding to the bottom of the packaging.
- the central zone of a packaging according to the invention is an area which extends from the center of the upper part to the outer ends of the necks, necks, stoppers e ⁇ other container closures.
- peripheral zone is meant within the meaning of the present invention, the surface of the upper part, peripheral e ⁇ substantially oblique with respect to said central zone.
- the peripheral zone is found as a whole, in a plane secant to the plane of the central zone e ⁇ to the plane of the lower part corresponding to a bottom.
- the peripheral zone of the packaging according to the invention is a zone which extends from the outer end of the necks, necks, stoppers and other closures of the containers up to body parts of storytellers, for example the shoulder parts ⁇ of bottle-shaped containers.
- the packaging according to the present invention allows opening in two stages.
- the storekeeper the handler
- the two perforation lines placed on the peripheral zone are broken in order to allow the opening of the retractable packaging and the withdrawal of the containers in a simple and easy way, without requiring physical effort. insurmountable.
- a shrinkable packaging according to the invention comprising at least two lines of perforation which, in the peripheral zone of the upper part of the packaging, gradually move away from the reinforcing strip, thus allowing a simplified and easy opening of the packaging is therefore easier to remove from the containers avoiding forced, irregular and undesirable tearing.
- the shrinkable packaging according to the present invention therefore provides a packaging having the two functionalities sought, both by users, handlers, manufacturers and supermarkets during of the first stage of storage and movement of the package and both by consumers when opening the package at home or elsewhere by ⁇ .
- the at least two lines of perforation arranged on the central zone make it possible, when they are broken, to create a first opening serving for the passage of the user's fingers to grasp the handle formed by the reinforcing strip e ⁇ the packaging film according to the present invention.
- the formation of the first opening from the two lines of perforation arranged on the central zone makes it possible to maintain the strength of the packaging even after their breakage, while making it possible to retain a shape similar to the original one. limiting deformation and the risk of accidental tears when moving.
- said reinforcing tape comprises a tackifier by which it is affixed to an interior surface of said shrink wrap encasing the series of containers.
- the reinforcing strip provided with a sticky agent makes it possible to be affixed in a fixed and precise manner to the packaging while limiting the risks of undesirable movements thereof.
- the reinforcement tape by being attached to an interior surface of the package and encasing the containers allows the overall strength of the package to be increased such that the overall strength is the sum of the strength of the tape. and the strength of the packaging as such. This allows better resistance of the packaging to tearing or breaking when moving it with the handle.
- the adhesive reinforcement tape can also be fixed to an outer surface of the packaging or that it can even be provided integrated into the body of the packaging film at the time of its manufacture.
- said packaging and said reinforcing strip are of a material similar to at least 80%, preferably at least 85%, preferably at least 90%, preferably at least 95%.
- packaging and the reinforcing strip according to the present invention being of a similar material, take into account the constraints of recycling, facilitate this and consequently avoid an additional step of sorting the materials.
- said reinforcing strip according to the present invention has a width of between 1 cm and 7 cm, preferably between 2 cm and 7 cm, preferably between 2 cm and 6 cm, preferably between 3 cm and 6 cm, advantageously between 4 cm and 6 cm.
- said at least two lines of perforation are each interrupted by at least one non-perforated interval having a predetermined length.
- said at least two lines of perforation have perforations spaced apart from each other by at least one space having a predetermined length, e ⁇ in which said at least one non-interval. perforated are ⁇ of a length at least 1.5 times greater than said space between perforations, preferably at least 2 times greater, e ⁇ preferably at least 2.5 times greater than this ⁇ space between perforations.
- the two perforation lines are ⁇ more resistant to accidental opening.
- the opening of the packaging according to the present invention is advantageously carried out in two stages as presented above.
- the first step of opening the perforation lines located on the central area allows the creation of the handle for moving the packaging.
- the presence of a non-perforated gap preferably located at the junction of the central zone e ⁇ of the peripheral zone makes it possible to create a stop after this first opening step e ⁇ which prevents the involuntary tearing of the perforations located on the zone. peripheral.
- the second step of opening the perforation lines located on the peripheral zone then allows, voluntarily and easily, the opening of the packaging and the easy removal of the containers.
- said at least two lines of perforations, in the central zone of the upper part of the packaging can comprise at least one part of the leader, thus facilitating their breaking.
- the two lines of perforations in the central zone are therefore arranged substantially parallel to one another, on either side of the reinforcing strip.
- said containers are chosen from the group consisting of bottles, cans, jars, boxes for liquids, cartons, and cans.
- Bottles can be glass, plastic, PET, HDPE, PVC, PP, PC, PLA.
- Jars can be glass, plastic, metal.
- the boxes for liquids can be cardboard boxes or tetrapack® boxes.
- a row of containers contains two, three or four containers.
- the present invention also relates to a method of packaging containers by packaging according to the present invention, comprising the steps of:
- the method according to the invention is characterized in that it further comprises a step of incision in said shrink film of at least two lines of perforation which, in the central zone of the upper part of the packaging, its ⁇ arranged parallel to each other, on each side of the reinforcing strip, each of which, in the peripheral area of the upper part of the packaging, gradually moves away from the strip reinforcement.
- the method according to the present invention makes it possible to provide a shrinkable packaging to be opened in two stages, with formation of a handle allowing movement in a simplified manner, and then formation of one or more openings. packaging allowing easy removal of containers is facilitated, avoiding forced, irregular and unwanted tears.
- the feed comprises an unwinding of the shrink film from a supply roll, e ⁇ the positioning of the reinforcing strip takes place on the shrink film before said feeding step. , on a surface of the film which forms a lower surface of said package after bundling.
- the positioning of the reinforcing strip on the lower surface of the shrink film advantageously makes it possible to provide a shrink wrap having a higher mechanical strength and to resist more to the stresses occurring during its gripping and its displacement.
- the method according to the invention further comprises at least one step of cutting the shrink film which takes place after said positioning of the reinforcing strip and before said feeding step.
- said incision step takes place before the supply of said shrink film onto the conveyor belt.
- said incision step of the method according to the invention takes place before said unwinding of the shrink film from said feed roll.
- the step of incision of the two incision lines takes place before the unwinding of the shrink film.
- the step of positioning the reinforcing strip takes place after the unwinding of the shrink film and before the step of positioning the containers.
- said method according to the present invention further comprises at least one step of printing at least one pattern on said film before ef / or after said supply step.
- said at least one printing step takes place before and / or after said step of incision of said shrink film.
- the present invention further relates to a shrink wrapping blank provided for wrapping by bundling a series of containers, based on a shrink film of rectangular shape, having two short sides in width and two long sides in length.
- the shrink wrapping blank according to the present invention is characterized in that it has a reinforcing strip which extends between the two short sides midway between the two long sides as well as, in the center of the blank, at least two lines of perforations which are arranged parallel to one another, on the other side of the reinforcement strip, and which at each end gradually move away from the reinforcement strip.
- Figure 1 is a perspective view of a shrink wrap according to the invention comprising 6 bottles.
- FIG. 2 is a top view of the shrink wrap of Figure 1.
- FIG. 3 is a perspective view of a shrink wrap according to the invention comprising 6 bottles, after rupture of the perforations located in the central zone.
- Figure 4 is a top view of the shrink wrap of Figure 3.
- FIG. 5 is a perspective view of a shrinkable packaging according to the invention comprising 6 bottles, after rupture of the perforations located in the central zone and rupture of the perforations located in the peripheral zone.
- Figure 6 is a top view of the shrink wrap of Figure 5.
- FIG. 7 is a side schematic view of a device for implementing the method according to the present invention.
- Figure 8 is a schematic perspective view of the device according to Figure 7.
- Figure 9 is a top view of the packaging blank according to the present invention.
- FIG. 1 illustrates a shrinkable packaging 1 comprising 6 containers 2.
- the shrinkable packaging 1 comprises a lower part 3 corresponding to a bottom and located in a first plane.
- the shrink wrapping 1 comprises an upper part 4 which is opposite the lower part 3, and which corresponds to a covering of the containers 2, which are arranged in rows parallel to each other.
- the upper part 4 comprises a central zone 5 which is a surface substantially parallel to the lower part 3 corresponding to a bottom. Also, the central zone 5 is located in a second plane substantially parallel to the first plane of the lower part 3 corresponding to a bottom.
- the central zone 5 of a packaging according to the invention is a zone which extends from the center of the upper part 4 to the outer ends of the necks, collars, stoppers and other closures of the containers 2.
- the upper part 4 of a package according to the invention comprises a peripheral zone 6 which is a surface of the upper part 4, peripheral e ⁇ substantially oblique with respect to the central zone 5. Also, the peripheral zone 6 is located in as a whole, in a third plane secant to the first e ⁇ second planes respectively of the bottom part 3 e ⁇ of the central zone 5.
- the peripheral zone 6 of a packaging according to the invention is therefore a zone which extends from the outer end of the necks, collars, stoppers or other closures of the containers 2 to the body parts of the containers 2.
- the peripheral zone 6 covers the shoulder parts of the containers 2 in the form of a bottle.
- the shrinkable packaging 1 also comprises side parts 7 connecting the lower part 3 to the upper part 4.
- the side parts 7 of the packaging 1 cover the body parts of the containers 2.
- the shrink wrap 1 comprises a reinforcing strip 8, arranged transversely to the parallel rows of the containers 2.
- the reinforcing strip 8 comprises a tackifier and is arranged to be fixed on an interior surface. of the package 1 wrapping the containers 2.
- the reinforcement tape 8 increases the overall strength of the package 1 such that the overall strength is the sum of the strength of the reinforcement tape 8 e ⁇ the strength of package 1 in tan ⁇ as such. This allows better resistance of the package 1 to tearing e ⁇ to breaking when moving with the handle.
- the reinforcement strip 8 is ⁇ provided with a tiny percentage of tackifier, it is therefore considered that the reinforcement strip 8 e ⁇ the packaging 1 is ⁇ made ⁇ of a similar material, this making it possible to take into account the constraints of recycling e ⁇ to facilitate this by avoiding an additional step of sorting the materials with a view to recycling the packaging 1 according to the invention.
- the reinforcement strip 8 illustrated has a width of between 2 cm and 6 cm, which allows better resistance of the packaging 1 when it is moved using the handle.
- the shrink wrapping 1 shown comprises two lines of perforations 9a, 9b, shown with a solid brace, which, in the central zone 5 of the upper part 4 of the wrapping 1 is ⁇ arranged parallel to each other. other, on the other side of the reinforcement strip 8.
- the two lines of perforations 9a, 9b, in the central zone 5 of the upper part 4 of the package 1 can comprise at least one part of the leader, thus facilitating the breaking. lines of perforations 9a e ⁇ 9b they are therefore arranged substantially parallel to one another, on the other side of the reinforcing strip 8.
- the two perforation lines 9a and 9b located in the central zone 5 of the upper part 4 of the packaging 1 make it possible, when they are broken, to create a first opening 13 serving for the passage of the user's fingers (see Figures 3 e ⁇ 4).
- This opening 13 also allows the user to take hold of the handle formed by the reinforcing strip 8 e ⁇ the packaging film.
- the shrinkable packaging 1 retains a shape similar to the initial rigidity, thus limiting the risk of tearing or unwanted deformations.
- the two lines of perforations 9a e ⁇ 9b are each interrupted by at least one non-perforated interval 10, shown with a solid brace, having a predetermined length.
- This ⁇ unperforated gap 10 facilitates opening in two separate stages with more resistance between the two stages to prevent accidental full opening.
- the first opening step 13 comprises breaking the two lines of perforations 9a e ⁇ 9b located on the area central 5 of the upper part 4 of the package 1, this making it possible to create the handle of the package 1 for its easy movement.
- the second opening step 14 comprises breaking the two lines of perforations 9a and 9b located on the peripheral zone 6 of the upper part 4 of the package 1, allowing the opening of the package 1 and making it easier to refill. containers 2.
- the two lines of perforations 9a e ⁇ 9b have a series of perforations 1 1 which are each spaced from one another by a space 12 having a predetermined length.
- the length of the unperforated gap 10 is at least 1.5 times greater than the length of the gap 12 between perforations 1 1.
- the retractable packaging 1 shown after complete rupture of the two lines of perforations 9a e ⁇ 9b, e ⁇ creation of said second opening 14 allowing easy removal of the containers 2, retains a strength e ⁇ a rigidity allowing its displacement e ⁇ avoiding total breakage or tearing of the packaging 1.
- FIGS. 7 e ⁇ 8 illustrate a device for implementing the method for packaging containers by a shrinkable packaging 1 according to the present invention.
- the illustrated method comprises, commonly, a supply of a shrink film 15 on at least one conveyor belt 16, in a determined direction of movement, e ⁇ an arrangement of the containers 2 on the conveyor belt 16 provided with the shrink film 15, the containers 2 being arranged in rows parallel to each other and the rows being arranged perpendicular to the determined direction of movement of the film.
- the supply step of the illustrated method comprises unwinding the shrink film 15 from a supply roll 22.
- the method also comprises bundling 17 of the containers 2 using the shrink film 15 forming a shrink film wrap 15 around the containers 2 and heat shrinking 18 of the shrink film 15 containing the containers 2, in order to hold them. tight against each other.
- the method according to the invention illustrated further comprises a step of positioning a reinforcing strip 8 on the shrinkable film 15, parallel to the direction of movement of the film feed.
- the step of positioning the reinforcing strip 8 takes place on the shrink film 15 before the supply step, on the surface of the film which will form the inner surface of the shrink film 15.
- an incision step of at least two perforation lines 9a, 9b takes place in the shrink film 15.
- the perforations 1 1 are arranged parallel to one another, on either side of the reinforcement strip 8.
- the lines of perforations 9a, 9b, s' each gradually move away from the reinforcing strip 8.
- the incision step can be carried out by any type of machine allowing the formation of lines of perforations in a film, for example by the machine described in European patent EP2954990 which is incorporated here by reference.
- the incision step of the method takes place before the step of supplying the shrink film 15 e ⁇ preferably before the unwinding of the shrink film from the feed roll 22, the latter being ⁇ therefore formed of a wound perforated shrink film.
- a cutting step by a cutting element 19 es ⁇ provided to cut the shrink film 15 unwound from the supply roll, so as to form an individual packaging blank 21 (as illustrated in FIG. 9 ) intended to form the shrink wrap 1.
- the illustrated packaging blank 21 also comprises a mark 23, used as an indication for the cutting by the cutting element 19 of the film unwound into the packaging blank 21.
- the cutting step takes place after positioning the reinforcement strip 8 e ⁇ before the feeding step.
- the method according to the present invention comprises at least one step of printing at least one pattern on the film 15 before and / or after unwinding of the shrink film 15.
- the printing step in the method according to the invention takes place before and / or after the step of incision of the shrink film.
- the illustrated device comprises at least one support member 20, in order to direct the unwound shrink film 15. It also comprises at least one cutting element 19 intended to cut the shrink film 15 unrolled, before the wrapping step 17, into blank 21 of individual packaging intended to form the shrink wrap 1.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Packages (AREA)
- Wrappers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE20195559A BE1027531B1 (fr) | 2019-08-27 | 2019-08-27 | Emballage thermoretractable |
PCT/EP2020/073821 WO2021037893A1 (fr) | 2019-08-27 | 2020-08-26 | Emballage thermoretractable |
Publications (3)
Publication Number | Publication Date |
---|---|
EP4021822A1 true EP4021822A1 (fr) | 2022-07-06 |
EP4021822B1 EP4021822B1 (fr) | 2023-08-02 |
EP4021822C0 EP4021822C0 (fr) | 2023-08-02 |
Family
ID=67902286
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20761243.3A Active EP4021822B1 (fr) | 2019-08-27 | 2020-08-26 | Emballage thermoretractable |
Country Status (5)
Country | Link |
---|---|
US (1) | US11993413B2 (fr) |
EP (1) | EP4021822B1 (fr) |
BE (1) | BE1027531B1 (fr) |
ES (1) | ES2955810T3 (fr) |
WO (1) | WO2021037893A1 (fr) |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2571687B1 (fr) * | 1984-10-12 | 1987-04-24 | Minnesota Mining & Mfg | Procede d'emballage sous pellicule retractable avec poignee de transport, pellicule pour sa mise en oeuvre et colis realise avec une telle pellicule, suivant ce procede |
US4815589A (en) * | 1986-09-17 | 1989-03-28 | Owens-Illinois Plastic Products Inc. | Can package |
EP0442111A3 (en) * | 1989-12-22 | 1991-09-25 | Officina Meccanica Sestese S.P.A. | Process to package loose objects, particularly bottles, machine to carry out said process, and transportable packaging obtained with said process |
FR2766465B1 (fr) * | 1997-07-24 | 1999-09-03 | Soplaril Sa | Pack d'objets emballes avec un film plastique, film plastique pour l'emballage d'un pack, et procede de fabrication du film plastique |
DE29915989U1 (de) * | 1999-09-11 | 1999-12-09 | Schmidt Verpackungstechnik Gmb | Sammelverpackung für einzelne Wareneinheiten |
US6513657B2 (en) * | 2001-04-26 | 2003-02-04 | 3M Innovative Properties Co. | Product packaging with handle-forming tearable tape system |
US8424272B2 (en) | 2007-09-17 | 2013-04-23 | Alain Cerf | Apparatus and process for wrapping an article with a heat shrink film having a strip that acts as a handle |
DE102008020522A1 (de) * | 2008-04-23 | 2009-10-29 | Krones Ag | Gebinde mit Tragegriff und Einrichtung und Verfahren zu dessen Herstellung |
DE102009003653A1 (de) * | 2009-03-23 | 2010-09-30 | Krones Ag | Schrumpfgebinde und Verfahren zu dessen Herstellung |
ITMI20091512A1 (it) * | 2009-08-28 | 2011-02-28 | Al Ma C Packaging S R L | Procedimento per il confezionamento di gruppi di contenitori per prodotti liquidi alimentari, in particolare bottiglie di acqua e/o bevande, e fardello ottenibile per mezzo di tale procedimento |
BE1020797A3 (fr) * | 2012-07-20 | 2014-05-06 | Diopass Sprl | Emballage retractable. |
PL2954990T3 (pl) | 2014-06-12 | 2017-01-31 | Diopass Sprl | Urządzenie do perforacji folii |
-
2019
- 2019-08-27 BE BE20195559A patent/BE1027531B1/fr active IP Right Grant
-
2020
- 2020-08-26 EP EP20761243.3A patent/EP4021822B1/fr active Active
- 2020-08-26 WO PCT/EP2020/073821 patent/WO2021037893A1/fr unknown
- 2020-08-26 ES ES20761243T patent/ES2955810T3/es active Active
- 2020-08-26 US US17/636,943 patent/US11993413B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP4021822B1 (fr) | 2023-08-02 |
US11993413B2 (en) | 2024-05-28 |
WO2021037893A1 (fr) | 2021-03-04 |
EP4021822C0 (fr) | 2023-08-02 |
BE1027531A1 (fr) | 2021-03-23 |
US20220274728A1 (en) | 2022-09-01 |
BE1027531B1 (fr) | 2021-03-30 |
ES2955810T3 (es) | 2023-12-07 |
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