EP3530587B1 - Container for pourable food products - Google Patents
Container for pourable food products Download PDFInfo
- Publication number
- EP3530587B1 EP3530587B1 EP19159463.9A EP19159463A EP3530587B1 EP 3530587 B1 EP3530587 B1 EP 3530587B1 EP 19159463 A EP19159463 A EP 19159463A EP 3530587 B1 EP3530587 B1 EP 3530587B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- container
- weakness
- bottom wall
- wall
- line
- 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.)
- Active
Links
- 235000013305 food Nutrition 0.000 title claims description 16
- 239000000463 material Substances 0.000 claims description 14
- 238000003825 pressing Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 239000002648 laminated material Substances 0.000 description 1
- 235000021056 liquid food Nutrition 0.000 description 1
Images
Classifications
-
- 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
- B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
- B65D5/02—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body
- B65D5/06—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body with end-closing or contents-supporting elements formed by folding inwardly a wall extending from, and continuously around, an end of the tubular body
-
- 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
- B65D2231/00—Means for facilitating the complete expelling of the contents
- B65D2231/02—Precut holes or weakened zones
- B65D2231/025—Precut holes or weakened zones for draining or discharging the liquid contents, e.g. soup, milk
Definitions
- This invention relates to a container for pourable food products.
- the container of this invention is advantageously applicable in the liquid food industry.
- Known in the food industry are several different kinds of containers.
- document WO2004078607 discloses a container with a tetrahedral structure made from a tubular laminated material, where a first longitudinal edge overlaps a second longitudinal edge comprising a first seal and a second seal, both of which are disposed transversely to the longitudinal direction of the tube.
- the container comprises a front wall provided with an opening, two triangular side walls, a triangular back wall and a triangular bottom wall.
- the container disclosed has several disadvantages.
- the container made in this way (being a substantially rigid structure) does not allow its contents to be poured out smoothly and completely, with the risk that some of the product it contains remains trapped inside (and cannot be poured out completely). Furthermore, owing to the shape of the container, pouring out its contents tends to be awkward. Further example in this field could be found in documents WO2009/127783 (basis for the preamble of claim 1), US2011/203229 , WO01/23260 , DE1274792 and GB1508053 .
- the aim of this invention is to provide a container for pourable food products to overcome the drawbacks of the prior art described above.
- this invention has for an aim to provide a container for pourable products to make pouring the contents particularly easy. This aim is fully achieved by the container for pourable food products of this invention as characterized in the appended claims.
- a container 1 for pourable food products is illustrated in Figure 1 .
- the container 1 is obtained from a sheet (roll) of multilayer wrapping material which is longitudinally folded and sealed to obtain a tubular structure.
- a first seal is made to close one end of the tubular structure and the pourable food product is then filled into the tubular structure.
- a second seal orthogonal to the first seal, is made at the second end of the tubular structure.
- the container 1 thus made comprises: a front wall 2 provided with an opening A; two triangular shaped side walls 3, 4; a back wall 5; a trapezoidal shaped bottom wall 6; and a seal 7.
- the side walls 3, 4 are defined by the edges of the front wall 2, of the back wall 5 and of the bottom wall 6.
- a first portion 9 of the seal 7 extends along the back wall 5, and a second portion 10 of the seal 7 is folded over and orthogonally overlaps the minor base 11 of the bottom wall 6; the second portion 10 is also sealed at a portion of the bottom wall 6 adjacent to the minor base 11. Folding the second portion 10 of the seal 7 over onto the minor base 11 of the bottom wall 6 defines the trapezoidal base pyramid structure of the container 1.
- the container comprises a further seal 14, transverse to the seal 7 and parallel to the minor base 11 of the bottom wall 6; the further seal 14 joins the front wall 2, the bottom wall 6 and the two side walls 3, 4.
- the line of weakness 13 of the bottom wall 6 is located in the proximity of, and parallel to, the minor base 11 of the bottom wall 6.
- each side wall 3, 4 and the bottom wall 6 each have at least one line of weakness 8, 13 for preferentially folding the container 1. More specifically, each side wall 3, 4 preferably has three lines of weakness 8a, 8b, 8c, whilst the bottom wall 6 has only the line of weakness 13.
- each line of weakness 8a, 8b, 8c of each side wall 3, 4 has a point of origin O located on the respective side wall 3, 4; each line of weakness 8a, 8b, 8c extends from the point of origin O and converges on a respective vertex of the side walls 3, 4. In other words, from the point of origin O, each line of weakness 8a, 8b, 8c extends to the point where it meets a respective vertex, the vertices being defined by the points where the edges of the front wall 2, the back wall 5 and the bottom wall 6 meet.
- the line of weakness 13 of the bottom wall 6 extends partially along both side walls 3, 4.
- the line of weakness 13 of the bottom wall 6 extends along both side walls 3, 4 until it meets the point of origin O of each side wall 3, 4.
- the lines of weakness 8, 13 are shaped in such a way that the bottom wall 6 can be brought closer to the front wall 2 by pressing the portion of the back wall 5 adjoining the second portion 10 of the seal 7 (pressing also brings the portion of the back wall 5 closer to the bottom wall 6); bringing the bottom wall 6 closer to the front wall 2 causes the container 1 to be folded down to a flat shape (collapse) and, at the same, allows the food product inside the container 1 to be poured out through the opening A.
- the consumer by pressing the edge created by folding the second portion 10 of the seal 7 onto the minor base 11 of the bottom wall 6, the consumer causes the structure of the container 1 to yield in a predictable (controlled) manner along the lines of weakness 8, 13.
- Predictable folding of the structure, caused by pressing means that the container 1 changes from its initial shape (illustrated in Figure 1 ) to the intermediate configuration (illustrated in Figure 3 ) and lastly to the final, completely flat, final shape (illustrated in Figure 4 ).
- the portion of the bottom wall 6, delimited at the top by the minor base 11 of the bottom wall 6 and at the bottom by the line of weakness 13, has a concave shape.
- the side walls 3, 4 have a convex shape so as to facilitate yielding of the container 1.
- the bottom wall 6 has an isosceles trapezoidal shape. In a further preferred embodiment, the bottom wall 6 has a scalene trapezoidal shape.
- the opening A is located on the front wall 2, confronting the minor base 11 of the bottom wall.
- the container 1 may comprise a covering element (for example, an adhesive tab made of plastic and/or paper material) removable by the consumer in order to open the container 1.
- the container 1 may comprise a closing element - preferably a capsule (cap - located at the opening A.
- the container 1 comprises a dispenser located at the opening A; preferably, the dispenser is shaped to be inserted (at least partly) into the opening A and to engage a closing element (specifically a cap) and the closing element is adapted to allow the container 1 to be opened and closed.
- the container 1 contains a quantity of product suitable for a single serving; in other words, the container 1 is a single-serve container.
- folding the structure of the container 1 causes all the food product it contains to be poured out.
- the container 1 contains a quantity of product suitable for multiple servings; in other words, the container 1 is a multi-serve container.
- folding the structure of the container 1 causes part of the food product it contains to be poured out.
- the lines of weakness 8, 13 are made by a creasing process which involves using a creasing device. More specifically, in a possible configuration of it, a creasing device comprises a pair of facing rollers, where a first roller (male) is provided with protrusions on its outside surface, while the second roller (female) is provided with recesses to receive the wrapping material pressed into them by the protrusions of the first roller as the first roller rotates. That way, the wrapping material is creased and the lines of weakness 8, 13 thus made.
- the first roller male operates on the surface of the wrapping material opposite to the surface of the wrapping material that is intended to be pressed (by the consumer); that way, the lines of weakness 8, 13 are oriented correctly to allow the container 1 to be folded down in predictable manner.
- the lines of weakness 8, 13 are made by a partial incision process which involves using a laser device. More in detail, the process involves the use of a scoring laser to partially cut the wrapping material by removing part of the material from the surface of the container 1. That way, the lines of weakness 8, 13 are made without cutting the inner layer of the wrapping material (so the container 1 retains its aseptic properties).
- the laser device operates on the surface of the wrapping material opposite to the surface of the wrapping material that is intended to be pressed (by the consumer); that way, the lines of weakness 8, 13 are oriented correctly to allow the container 1 to be folded down in predictable manner.
- the container 1 for pourable food products of this invention meets the need to allow the contents of the container to be poured out easily, smoothly and completely.
- the container 1 is thus particularly convenient to handle.
- the invention can be advantageously be used for pourable food products such as, for example, liquid, semi-liquid and creamy food products.
- the shape of the container 1 disclosed allows even semi-liquid and creamy food products to be easily and completely poured out, preventing part of the product it contains from remaining trapped inside (and unable to be poured out).
- Figure 5 illustrates a preferred configuration of a flat multilayer material before it is folded into a tubular shape (in the manner described herein) to make the container 1 of this invention. More specifically, it shows the layout of the lines of weakness 8, 13 for preferentially folding the side walls 3, 4 and the bottom wall 6. Still more specifically, each side wall 3, 4 in the preferred embodiment illustrated, preferably has three lines of weakness 8a, 8b, 8c, whilst the bottom wall 6 has only the line of weakness 13.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grain Derivatives (AREA)
- Packages (AREA)
- Cartons (AREA)
Description
- This invention relates to a container for pourable food products. In particular, the container of this invention is advantageously applicable in the liquid food industry. Known in the food industry are several different kinds of containers. For example, document
WO2004078607 discloses a container with a tetrahedral structure made from a tubular laminated material, where a first longitudinal edge overlaps a second longitudinal edge comprising a first seal and a second seal, both of which are disposed transversely to the longitudinal direction of the tube. More specifically, the container comprises a front wall provided with an opening, two triangular side walls, a triangular back wall and a triangular bottom wall. The container disclosed has several disadvantages. In particular, the container made in this way (being a substantially rigid structure) does not allow its contents to be poured out smoothly and completely, with the risk that some of the product it contains remains trapped inside (and cannot be poured out completely). Furthermore, owing to the shape of the container, pouring out its contents tends to be awkward. Further example in this field could be found in documentsWO2009/127783 (basis for the preamble of claim 1),US2011/203229 ,WO01/23260 DE1274792 andGB1508053 -
Figure 1 is a schematic perspective view of the container of this invention; -
Figure 2 is a further schematic perspective view of the container of this invention; -
Figure 3 schematically illustrates an intermediate shape of the container (while its contents are being poured); -
Figure 4 schematically illustrates a final shape of the container (when completely empty); -
Figure 5 illustrates a configuration of the flat, multilayer wrapping material used to make the container of this invention. - A
container 1 for pourable food products is illustrated inFigure 1 . - The
container 1 is obtained from a sheet (roll) of multilayer wrapping material which is longitudinally folded and sealed to obtain a tubular structure. Next, a first seal is made to close one end of the tubular structure and the pourable food product is then filled into the tubular structure. To close the tubular structure, a second seal, orthogonal to the first seal, is made at the second end of the tubular structure. - The
container 1 thus made comprises: afront wall 2 provided with an opening A; two triangularshaped side walls back wall 5; a trapezoidal shapedbottom wall 6; and aseal 7. Looking in more detail, theside walls front wall 2, of theback wall 5 and of thebottom wall 6. - Preferably, a
first portion 9 of theseal 7 extends along theback wall 5, and asecond portion 10 of theseal 7 is folded over and orthogonally overlaps theminor base 11 of thebottom wall 6; thesecond portion 10 is also sealed at a portion of thebottom wall 6 adjacent to theminor base 11. Folding thesecond portion 10 of theseal 7 over onto theminor base 11 of thebottom wall 6 defines the trapezoidal base pyramid structure of thecontainer 1. Preferably, as mentioned, the container comprises afurther seal 14, transverse to theseal 7 and parallel to theminor base 11 of thebottom wall 6; thefurther seal 14 joins thefront wall 2, thebottom wall 6 and the twoside walls - In a preferred embodiment, the line of
weakness 13 of thebottom wall 6 is located in the proximity of, and parallel to, theminor base 11 of thebottom wall 6. - The
side walls bottom wall 6 each have at least one line ofweakness 8, 13 for preferentially folding thecontainer 1. More specifically, eachside wall weakness bottom wall 6 has only the line ofweakness 13. - Looking in more detail, each line of
weakness side wall respective side wall weakness side walls weakness front wall 2, theback wall 5 and thebottom wall 6 meet. - In a preferred embodiment, the line of
weakness 13 of thebottom wall 6 extends partially along bothside walls weakness 13 of thebottom wall 6 extends along bothside walls side wall - The lines of
weakness 8, 13 are shaped in such a way that thebottom wall 6 can be brought closer to thefront wall 2 by pressing the portion of theback wall 5 adjoining thesecond portion 10 of the seal 7 (pressing also brings the portion of theback wall 5 closer to the bottom wall 6); bringing thebottom wall 6 closer to thefront wall 2 causes thecontainer 1 to be folded down to a flat shape (collapse) and, at the same, allows the food product inside thecontainer 1 to be poured out through the opening A. - In other words, by pressing the edge created by folding the
second portion 10 of theseal 7 onto theminor base 11 of thebottom wall 6, the consumer causes the structure of thecontainer 1 to yield in a predictable (controlled) manner along the lines ofweakness 8, 13. Predictable folding of the structure, caused by pressing, means that thecontainer 1 changes from its initial shape (illustrated inFigure 1 ) to the intermediate configuration (illustrated inFigure 3 ) and lastly to the final, completely flat, final shape (illustrated inFigure 4 ). - Preferably, to make it easier for the structure of the
container 1 to start collapsing along the lines ofweakness 8, 13, the portion of thebottom wall 6, delimited at the top by theminor base 11 of thebottom wall 6 and at the bottom by the line ofweakness 13, has a concave shape. Advantageously, in addition to the concave shape of the portion of thebottom wall 6, theside walls container 1. - In a preferred embodiment, the
bottom wall 6 has an isosceles trapezoidal shape. In a further preferred embodiment, thebottom wall 6 has a scalene trapezoidal shape. - Preferably, the opening A is located on the
front wall 2, confronting theminor base 11 of the bottom wall. At the opening A, thecontainer 1 may comprise a covering element (for example, an adhesive tab made of plastic and/or paper material) removable by the consumer in order to open thecontainer 1. - Alternatively to the covering element, the
container 1 may comprise a closing element - preferably a capsule (cap - located at the opening A. In a different embodiment, thecontainer 1 comprises a dispenser located at the opening A; preferably, the dispenser is shaped to be inserted (at least partly) into the opening A and to engage a closing element (specifically a cap) and the closing element is adapted to allow thecontainer 1 to be opened and closed. - In a preferred embodiment, the
container 1 contains a quantity of product suitable for a single serving; in other words, thecontainer 1 is a single-serve container. In use, for the single-serve container 1, folding the structure of thecontainer 1 causes all the food product it contains to be poured out. - In a further preferred embodiment, the
container 1 contains a quantity of product suitable for multiple servings; in other words, thecontainer 1 is a multi-serve container. In use, for themulti-serve container 1, folding the structure of thecontainer 1 causes part of the food product it contains to be poured out. - Advantageously, the lines of
weakness 8, 13 are made by a creasing process which involves using a creasing device. More specifically, in a possible configuration of it, a creasing device comprises a pair of facing rollers, where a first roller (male) is provided with protrusions on its outside surface, while the second roller (female) is provided with recesses to receive the wrapping material pressed into them by the protrusions of the first roller as the first roller rotates. That way, the wrapping material is creased and the lines ofweakness 8, 13 thus made. In a preferred embodiment, the first roller (male) operates on the surface of the wrapping material opposite to the surface of the wrapping material that is intended to be pressed (by the consumer); that way, the lines ofweakness 8, 13 are oriented correctly to allow thecontainer 1 to be folded down in predictable manner. - Alternatively, the lines of
weakness 8, 13 are made by a partial incision process which involves using a laser device. More in detail, the process involves the use of a scoring laser to partially cut the wrapping material by removing part of the material from the surface of thecontainer 1. That way, the lines ofweakness 8, 13 are made without cutting the inner layer of the wrapping material (so thecontainer 1 retains its aseptic properties). In a preferred embodiment, the laser device operates on the surface of the wrapping material opposite to the surface of the wrapping material that is intended to be pressed (by the consumer); that way, the lines ofweakness 8, 13 are oriented correctly to allow thecontainer 1 to be folded down in predictable manner. - The
container 1 for pourable food products of this invention meets the need to allow the contents of the container to be poured out easily, smoothly and completely. Thecontainer 1 is thus particularly convenient to handle. - The invention can be advantageously be used for pourable food products such as, for example, liquid, semi-liquid and creamy food products. The shape of the
container 1 disclosed allows even semi-liquid and creamy food products to be easily and completely poured out, preventing part of the product it contains from remaining trapped inside (and unable to be poured out). -
Figure 5 illustrates a preferred configuration of a flat multilayer material before it is folded into a tubular shape (in the manner described herein) to make thecontainer 1 of this invention. More specifically, it shows the layout of the lines ofweakness 8, 13 for preferentially folding theside walls bottom wall 6. Still more specifically, eachside wall weakness bottom wall 6 has only the line ofweakness 13.
Claims (9)
- A container (1) for pourable food products made by sealing and folding a wrapping material;the container (1) comprising: a front wall (2); two triangular shaped side walls (3, 4); a back wall (5); a trapezoidal shaped bottom wall (6); and at least one seal (7); the side walls (3, 4) and the bottom wall (6) each having at least one line of weakness (8, 13) for preferentially folding the container (1) so that the bottom wall (6) can be moved closer to the front wall (2), thereby flattening the container (1), the flattening of the container (1) causing the food product inside the container (1) to be poured out through an opening (A);characterized in that said front wall is provided with the opening (A) and that the container (1) has a structure in the shape of a pyramid with a trapezoidal base.
- The container (1) according to the preceding claim, wherein a first portion (9) of the seal (7) extends along the back wall (5), and a second portion (10) of the seal (7) is folded over and orthogonally overlaps the minor base (11) of the bottom wall (6).
- The container (1) according to claim 2, wherein the line of weakness (13) of the bottom wall (6) is located in the proximity of, and parallel to, the minor base (11) of the bottom wall (6).
- The container (1) according to claim 2, wherein the line of weakness (13) of the bottom wall (6) extends partially along both side walls (3, 4).
- The container (1) according to any one of the preceding claims, wherein each line of weakness (8) of each side wall (3, 4) has a point of origin (O) located on the respective side wall (3, 4); each line of weakness (8) extends from the point of origin (O) to a vertex of the side walls (3, 4).
- The container (1) according to claim 5, wherein the line of weakness (13) of the bottom wall (6) extends along both side walls (3, 4) until it meets the point of origin (O) of each side wall (3, 4).
- The container (1) according to any one of the preceding claims, wherein the lines of weakness (8, 13) are shaped in such a way that the bottom wall (6) can be brought closer to the front wall (2) by applying pressure at the corner formed by the folding of the second portion (10) of the seal (7) on the minor base (11) of the bottom wall (6).
- The container (1) according to any one of claims 1 to 7, wherein the lines of weakness (8, 13) are made by creasing.
- The container (1) according to any one of claims 1 to 7, wherein the lines of weakness (8, 13) are made by laser scoring.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT102018000003086A IT201800003086A1 (en) | 2018-02-27 | 2018-02-27 | Container for pourable food products |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3530587A1 EP3530587A1 (en) | 2019-08-28 |
EP3530587B1 true EP3530587B1 (en) | 2023-04-05 |
Family
ID=62223086
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19159463.9A Active EP3530587B1 (en) | 2018-02-27 | 2019-02-26 | Container for pourable food products |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3530587B1 (en) |
ES (1) | ES2945261T3 (en) |
IT (1) | IT201800003086A1 (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1274792B (en) * | 1964-06-08 | 1968-08-08 | Nicholas E Griffin | Collapsible disposable container for urine |
WO2001023260A1 (en) * | 1999-09-30 | 2001-04-05 | Sig Combibloc Systems Gmbh | Stackable folding containers with pouring devices |
WO2004078607A1 (en) * | 2003-03-05 | 2004-09-16 | Tetra Laval Holdings & Finance S.A. | A packaging container and packaging blank |
WO2009127783A1 (en) * | 2008-04-14 | 2009-10-22 | Stora Enso Oyj | Heat-sealed package and a packaging blank for forming the same |
US20110203229A1 (en) * | 2010-02-23 | 2011-08-25 | Exner Ronald H | Method and Apparatus Pertaining to a Flexible Wrapping Material Having Laser-Formed Crease Lines |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL155780B (en) * | 1974-06-17 | 1978-02-15 | Leer Koninklijke Emballage | HOLDER FOR LIQUIDS AND METHOD FOR MANUFACTURING THE HOLDER |
-
2018
- 2018-02-27 IT IT102018000003086A patent/IT201800003086A1/en unknown
-
2019
- 2019-02-26 ES ES19159463T patent/ES2945261T3/en active Active
- 2019-02-26 EP EP19159463.9A patent/EP3530587B1/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1274792B (en) * | 1964-06-08 | 1968-08-08 | Nicholas E Griffin | Collapsible disposable container for urine |
WO2001023260A1 (en) * | 1999-09-30 | 2001-04-05 | Sig Combibloc Systems Gmbh | Stackable folding containers with pouring devices |
WO2004078607A1 (en) * | 2003-03-05 | 2004-09-16 | Tetra Laval Holdings & Finance S.A. | A packaging container and packaging blank |
WO2009127783A1 (en) * | 2008-04-14 | 2009-10-22 | Stora Enso Oyj | Heat-sealed package and a packaging blank for forming the same |
US20110203229A1 (en) * | 2010-02-23 | 2011-08-25 | Exner Ronald H | Method and Apparatus Pertaining to a Flexible Wrapping Material Having Laser-Formed Crease Lines |
Also Published As
Publication number | Publication date |
---|---|
EP3530587A1 (en) | 2019-08-28 |
IT201800003086A1 (en) | 2019-08-27 |
ES2945261T3 (en) | 2023-06-29 |
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