US20190161218A1 - Method, machine and devices for producing flexible 3d packaging, by means of folding a flap on itself - Google Patents

Method, machine and devices for producing flexible 3d packaging, by means of folding a flap on itself Download PDF

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Publication number
US20190161218A1
US20190161218A1 US15/750,146 US201615750146A US2019161218A1 US 20190161218 A1 US20190161218 A1 US 20190161218A1 US 201615750146 A US201615750146 A US 201615750146A US 2019161218 A1 US2019161218 A1 US 2019161218A1
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United States
Prior art keywords
flap
triangular
strip
container
once
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US15/750,146
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English (en)
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Guillermo Lopez-Arostegui Saenz
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Individual
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Individual
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    • 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
    • B65B7/00—Closing containers or receptacles after filling
    • B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
    • B65B7/18—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by collapsing mouth portion and subsequently folding-down or securing flaps
    • 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
    • B65B61/24—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for shaping or reshaping completed 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
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/02—Machines characterised by the incorporation of means for making the containers or receptacles
    • 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
    • B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/02—Machines characterised by the incorporation of means for making the containers or receptacles
    • 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
    • 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
    • B65D5/064—Rectangular containers having a body with gusset-flaps folded outwardly or adhered to the side or the top of the container
    • 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
    • B65D5/40—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 specially constructed to contain liquids
    • 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
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/4266—Folding lines, score lines, crease lines
    • 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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • 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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/04—Articles or materials enclosed in two or more containers disposed one within another
    • B65D77/06—Liquids or semi-liquids or other materials or articles enclosed in flexible containers disposed within rigid containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2110/00—Shape of rigid or semi-rigid containers
    • B31B2110/30—Shape of rigid or semi-rigid containers having a polygonal cross section
    • B31B2110/35—Shape of rigid or semi-rigid containers having a polygonal cross section rectangular, e.g. square
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/004—Closing boxes
    • 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
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • 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
    • B65B7/00—Closing containers or receptacles after filling
    • B65B7/02—Closing containers or receptacles deformed by, or taking-up shape, of, contents, e.g. bags, sacks
    • B65B7/04—Closing containers or receptacles deformed by, or taking-up shape, of, contents, e.g. bags, sacks by tucking-in mouth portion to form two flaps and subsequently folding-down
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging

Definitions

  • the machines and methods of this invention will participate jointly within an integral solution together with other machines already existing in the market, because the method of the invention is a transformation of an initial package or bag sealed by at least one side and of at least two faces that has been previously manufactured by another machine, although it can also be all integrated in a same machine that at the same time would make the initial packaging and then transform it into a 3D package.
  • machines of vertical/horizontal filling of liquids or solids are those that, previously, will manufacture the initial package from which we start, which is none other than a package with at least two faces (although it may have another secondary face or fold, as it is the case in the English type packages or in the stabilo pack®) sealed with one or more welds and that inside contains at least one fluid (for example: liquid/pasty or/and air/gas) and, optionally or in addition, a solid or solids, granulated or powdery.
  • fluid for example: liquid/pasty or/and air/gas
  • the materials used to manufacture the initial packages are flexible of the film type in a coil such as plastic, aluminum or cardboard (the latter is dispensable since the welding lines of the invention provide rigidity and consistency to the package).
  • they can be monolayer or multilayer/complex as for example: the attached sheets of different types such as plastic-aluminum or plastic-aluminum-cardboard.
  • they can also be arranged in tube or semi-tube.
  • Plastic ice cubes for drinks (sangria, beer, champagne, wine, cider, gazpacho), organ transplant, etc. These are cubic packages, with water in their interior, of plastic material type film in coil that are going to be sterilized by the outer contour of the plastic and, depending on the case, they will be wrapped in a second wrap.
  • a.2 three-dimensional packages that contain liquid or pasty foods and, in addition, solid foods, such as beverages, yoghurts, purées, sauces.
  • 3D packages that contain solids inside such as: hardware (screws, washers, etc.), toy or household items.
  • the flexible initial packaging of at least two sides can be manufactured by means of other filling and sealing machines such as: vertical or horizontal machines existing in the market for about 25 years or more.
  • the vertical or horizontal machines that make the initial packaging can use different formats and materials:
  • B Semitube (monolayer/multilayer and complex) in which the machine makes three seals or welds: two transversals up and down and one longitudinal to one side left or right.
  • Laminates (monolayer/multilayer and complex) in which the machine can make three, four or more seals or welds: two or more transversals up and down and others, one, two or more longitudinal to one side (left or/and right) or in the middle on the front face or/and the one on the back.
  • the transformation in 3D can be carried out in any type of initial packaging that is flexible, of at least two faces and with at least one welding line.
  • the packages type tetrabrik®, SIG®, IpI® which must necessarily be made with cardboard film-type film in coil—apart from others such as aluminum and plastic—, since this material is the one that confers rigidity and consistency to the package.
  • this sheet of cardboard are made marks or indentations as a die cut that serve as a guide so that, a posteriori, acquires the cubic or three-dimensional form at the time of being compressed around by rollers, when the film in a coil, that has already formed a vertical cylindrical tube, moves from top to bottom in a vertical liquid filling machine.
  • the package of the Doy pack system has a support base face but is less stable, less volumetric and less economical (since it requires a special three-layer complex plastic in order to provide rigidity and consistency to the package).
  • this package is almost flat—except from just the bottom part—and with two lines of welding on the sides: it makes it more difficult to dose or use it because it generates a narrow mouth and, also, because in the case of containing liquids in its Inside, less pressure is exerted on the packaged product.
  • the system to fold at least once on itself the flap/triangular body or strip and, previously and/or subsequently, seal it at least once: it allows not only not to cut the flap (triangular body) or strip, but also allows to seal the intersection area of the flap/triangular body and the body of the package with lower temperature and less time, thus preventing cracks or pores from forming in this welding line, as well as avoids pores or cracks in the cases in which a wrinkle or crease has formed in this area when the flap is generated).
  • this line of welding is going to serve as an opening line through which serving the packaged product inside the package: it will facilitate with greater convenience the opening of this line, being sealed with less intensity.
  • the initial packaging containing solids, granules or powders inside, these will also generate pores and cracks ⁇ to stay residual precisely between the two sides of the flap (or triangular body) generated ⁇ at the time of seal and cut the flap. That is why it is essential that the flap/triangular body can be sealed with a low temperature and sealing time to obtain a reliable and safe three-dimensional flexible packaging that enables the commercialization of these. Finally, it also solves and guarantees that the three-dimensional transformed package permanently maintains the same three-dimensional body shape intact, since it does not crush or wrinkle, because of the fact that is does not lose fluids.
  • Procedure for manipulating or transforming the flap (or triangular body) or at least part of the flap (or triangular body) or strip, generated from a flexible package or flexible wrapper which can be, for example, any type of plastic or cardboard, as well as, for example, being a wrapper in tube, semitube or laminates (monolayer, multilayer, complex).
  • a flexible package or flexible wrapper which can be, for example, any type of plastic or cardboard, as well as, for example, being a wrapper in tube, semitube or laminates (monolayer, multilayer, complex).
  • Different modes of manipulation are given, mainly by folding or bending at least once on itself and towards at least one direction, at least a part of at least one triangular flap/body or strip on at least part of another part of the same flap/triangular body or strip.
  • a fluid for example, air or
  • this system involves improvements in terms of the inalterability of the package, the economic and the ecological, as well as three-dimensional packaging products of different shapes are configured in terms of their external appearance related to the triangular flaps/bodies ( 36 ) or the strip ( 37 ) (or any other configuration).
  • the flap (or triangular body) is permanently attached to the body of the flexible package, when folded, bent or joined at least once to at least one direction (towards the body of the package or any of the adjacent sides of the package) at least part of at least a part of the flap or triangular body on at least part of at least another part of the same or another triangular flap (or at least part of at least the flap or triangular body) ⁇ one together to the other or also side by side ⁇ , in which they can also be, for example: superimposed in parallel or with some degree of rotation to one side or another, as well as folding/bending at least once the flap (or triangular body) on itself, for example, rectilinearly, obliquely or semicircularly.
  • the flap/triangular body (or at least part of at least the flap or triangular body) will be sealed (which is folded or bent at least once on itself of at least two parts or two halves, which they can be making contact or being next to each other ⁇ by at least one side and being able to choose between any of the following options:
  • At least one welding line they can be, for example: rectilinear, diagonal, oblique, semicircular concave/convex, saw, in two or more directions, etc.
  • at least one face of at least part of the edge or at least part of the edge and in turn also at least part of the area contiguous to the edge
  • the flap or triangular body
  • at least one welding line rectilinear, semicircular, diagonal, saw, in two or more directions, etc.
  • the combination between these two options can be given, in such a way that it can be sealed for example with a welding line (they can be, for example: rectilinear, diagonal, oblique, semicircular concave/convex, in saw, in two or more directions, etc.) the zone or line of intersection between the flap/triangular body and the body/rest of the package and at the same time, separated from the previous welding line, at least one welding line (can be, for example: rectilinear, diagonal, oblique, semicircular concave/convex, saw, in two or more directions, etc.) separated and parallel to the welding line that has been made in the intersecting area of flap or triangular body and the body of the package.
  • a welding line they can be, for example: rectilinear, diagonal, oblique, semicircular concave/convex, in saw, in two or more directions, etc.
  • any of these welding lines prior to bending or folding the flap or triangular body optimize the folding or bending procedure of the flap/triangular body on itself because it facilitates quickly and conveniently that the flap/triangular body is fold or bent over itself, precisely, by the intersection area of the flap/triangular body and any one of the welding lines made prior to bending or folding the flap/triangular body on itself as for example the one made in the intersection of flap/triangular leather and package body.
  • welding line rectilinear, semicircular, diagonal, in saw, in two or more directions, etc.
  • both options can be combined, so that it can be sealed, for example: with a welding line (they can be, for example: rectilinear, diagonal, oblique, semicircular concave/convex, saw, in two or more directions, etc.) all the edge and, at the same time, separated from the previous welding line, other one or two welding lines (they can be, for example: rectilinear, diagonal, oblique, semicircular concave/convex, saw, in two or more directions, etc.) separated from each other and parallel, or not, to the welding line that has been made on the edge.
  • a welding line they can be, for example: rectilinear, diagonal, oblique, semicircular concave/convex, saw, in two or more directions, etc.
  • the flap or triangular body is sealed (by at least one of its faces) and cut (or cauterized) in the manner [or in any other manner of configuration, in which the flap or triangular body previously in an earlier, first stage has been sealed and cut/cauterized] next: in the lower part, a welding line (rectilinear, oblique, diagonal, semicircular, etc.) by at least one face in the intersection area between the flap/triangular body and the body of the package and, followed by the previous one upwards, two welding lines (they can be, for example: rectilinear, diagonal, oblique, semicircular concave/convex, saw, in two or more directions, etc.) vertical, parallel and separated between them that are joined and converge to the anterior transverse weld line forming, preferably, a 90 degree angle.
  • a welding line rectilinear, oblique, diagonal, semicircular, etc.
  • a strip can be generated because at least two segments of triangular configuration on the left and right side of the flap or triangular body are sectioned or cut, and because at least part of the segment is also left uncut/un-cauterized at least part of the longitudinal zone/strip of just half of the flap (or triangular body) since runs on one side of the triangular body/flap of the transversal a welding line that has been made at the time of manufacturing of the initial package (specifically, it is the transverse welding lines that close up and down the initial package).
  • a welding line is made (it can be, for example: straight, diagonal, oblique, semicircular concave/convex, saw, in two or more directions, etc.) with the same shape similar to that traced by the capital letter “L” and with the peculiarity that both the “L” on one side and the other: their respective vertical sticks are flanking this welding line that corresponds to the transverse welding line up and down made before the initial packaging was made.
  • this strip can be manipulated by choosing between any of the procedures and steps outlined above in points [1, 1a, 1b, 1c], so that it can now be called: [2.1, 2.1a, 2.1b, 2.1c].
  • the flap (or triangular body) is permanently attached to the body of the flexible package, because it comprises two steps:
  • a heat source such as for example a resistance or ultrasound, at least once by at least part of at least one of the faces of the flap (or triangular body) or loose strip.
  • a heat source such as for example a resistance or ultrasound, at least once on at least part of at least one of the faces of the flap (or triangular body) or loose strip; crushing the flap or loose strip on the body of the package (because it is already next to the body of the package), by means of a push mode, and paste this flap/triangular body or strip (or any other form of configuration) to the package body by means of an adhesion mode such as, for example, contact glue.
  • a cutting mode such as that of a blade, totally or partially, at least part of the flap or strip that is loose.
  • a heat source such as for example a resistance or ultrasound
  • a cutting mode such as that of a blade, totally or partially, at least part of the flap (or triangular body) or strip that is loose.
  • iiiiiiii) attaching, by means of a folding or bending system, at least once to at least one direction of at least a part of the flap (or triangular body) or loose strip towards at least part of at least another part of the same flap (or triangular body) or loose strip and, followed, this flap (or triangular body) or loose strip that is folded or bent at least once on itself, will be manipulated by choosing between any of the options [i], [ii], [iii], [iiii] and [iiiii] described above.
  • a previous step can be given in which this flap (or triangular body) or loose strip is sealed at least once by at least one face.
  • the machines that transform flexible initial packages into three-dimensional packages in which the package shelters at least one fluid and optionally or in addition can shelter a solid or solids, granules or powders, equipped mainly with:
  • At least one support at least one sensor for detecting the initial package or the package initially introduced in the machine
  • At least one movable impact body [driven by means of linear or rotational displacement] or/and immobile: intended to press in one, two or more lateral directions of the outer perimeter contour, of at least part of at least one or more perimeter lateral sides to generate at least one flap/triangular body or strip, and
  • sealing jaw or sealing and cut jaw operated by means of linear or rotational displacement, intended to seal or seal and cut, by means of a cutting mode such as that of a blade, by one or more of the faces and/or in part of the perimeter or lateral outer contour, of at least part of at least one of said flaps (or triangular body) or strip, in which the sealing jaws have at least one mode of heat source, to maintain permanently supporting face or additional face generated,
  • adhesion or attachment systems such as, for example, contact glue or at least one welding system (arranged, each time, for a flap/triangular body (or at least part of the flap/triangular body) or strip ⁇ , by means of a heat source such as a resistance, laser or ultrasound, which can be fixed, for example, on at least one of the lateral faces ⁇ which will be in contact with at least one of faces of the flaps/triangular bodies (or at least part of the flap/triangular body) or strip, when this is generated ⁇ of an impact body or/and of a closing jaw: intended to seal,
  • a heat source such as a resistance, laser or ultrasound
  • the triangular flap/body (or at least part of the flap/triangular body) or strip being folded or bent at least once on itself: at least one, two or more times ( 2 a ) , 2 b , 2 ae , 2 be ) by at least one side of the flap/triangular body (or at least part of the flap/triangular body) or strip, in such a way that it will subsequently facilitate the flap/triangular body (or at least part of the flap/triangular body) or strip is folded or bent, precisely, by at least any of the welding lines ( 2 a, 2 b, 2 ae, 2 be ) ⁇ can be, for example: rectilinear, diagonal, semicircular concave/convex, saw, etc. ⁇ that have been wanted and,
  • the flap/triangular body (or at least part of the flap/triangular body) or strip is folded or bent at least once on itself, at least sealing one, two or more times ( 2 ac, 2 bc, 2 ad, 2 bd ) by at least one side of the flap/triangular body (or at least part of the flap/triangular body) or strip on at least part of the edge ⁇ generated by folding or bending at least once the flap/triangular body (or at least part of the flap/triangular body) or strip ⁇ or/and of the contiguous zone and separated from this edge, in such a way that it will permanently maintain the triangular body/flap (or at least part of the flap/triangular body) or strip folded or bent at least once on itself; and, optionally, it can also be provided:
  • At least one adhesion or fixing system such as, for example, contact glue or at least one welding system ⁇ by means of a heat source such as, for example, a resistance element, for sealing at least once with at least one line of welding at least part of at least one face of the flap/triangular body (or at least part of the flap/triangular body) or loose strip ⁇ or/and cutting/cauterizing system ⁇ by means of a cutting mode such as a blade for cutting all or at least part of the flap/triangular body (or at least part of the flap/triangular body) or loose strip ⁇ , arranged for the flap/triangular body (or at least part of the flap or triangular body) or strip that remains loose after being folded or bent at least once on itself.
  • a heat source such as, for example, a resistance element
  • they can be fixed, for example: on at least one of the lateral faces ⁇ which will come into contact with at least one of the faces of the flaps/triangular bodies (or at least part of the flap/triangular body) or strip, when it is generated ⁇ or in the cavity of both the impact body or/and a closing jaw.
  • A.1 System or device, mainly, by means of at least one cavity and one stylet (or thrust body) with which the flap (or triangular body) or strip is folded or bent at least once over itself, as well as sealing or/and sealing and cutting at least one, two or more times the flap (or triangular body) or strip on at least one face of at least part of the generated edge or/and the area or line adjacent to this edge.
  • the impact body (the one that generates the flap or triangular body) or/and the closing grip (which when activated, once the flap or triangular body has been generated, joins the impact body to trap and crush the flap or triangular body that is located between them), have the following devices:
  • A.1.1 at least one slot-hole and cavity, located on at least one of the side faces of the impact body or of the closing grip, where the flap (or triangular body), when generated, comes into contact with this side face when being parallel and at par, so that in this way and after introducing at least part of the flap (or triangular body) through the slot-hole, into the cavity, it folds or bends over itself, at least two parts of the flap (or triangular body) toward at least one of the faces adjacent to the flap or triangular body.
  • the slot-hole can be covered by means of a closing mode such as, for example, that of a mobile gate, in which it will also be able to open or close, alternatively, by means of a mode of displacement such as: turning over itself or moving up and down.
  • a closing mode such as, for example, that of a mobile gate, in which it will also be able to open or close, alternatively, by means of a mode of displacement such as: turning over itself or moving up and down.
  • At least one mode of displacement of the flap (or triangular body) such as that of a stylet (or thrust body), which being narrower than the slot-hole and thus, able of being introduced into the cavity, will be able to also, at the same time, drag or introduce into the cavity at least part of the flap or triangular body; thereby generating a folding over itself of at least part of the flap or triangular body.
  • the driving stylet (thrust body) can be fixed, either in the same impact body with or without slot-hole, or in the closing grip, with or without slot-hole.
  • At least one welding system unit or heat source
  • welding system and cauterization system or cutting
  • they will seal or/and seal and cauterize (or cut) at least once the generated edge or the area adjacent to the edge of the flap or triangular body, when operating and moving downwards or/and upwards.
  • At least one welding system unit located on at least one of the faces (which comes into contact with at least one of the faces of the flap or triangular body) of the impact body or/and closing grip and at the height desired ⁇ above or below (preferably, in the area of intersection between the flap and the body or rest of the container) of the height at which the slot-hole is ⁇ , so that in this way, at least one welding line is made previously (once the closing grip, when activated, comes into contact with the impact body and the flap/triangular body: crushing and trapping it).
  • a way to optimize the procedure of folding or bending the flap/triangular body is when, prior to folding or bending, at least part of at least one welding line is made in the same line/area of intersection between the flap/triangular body and the body/rest of the container, or/and, above it: because it facilitates quickly and comfortably the folding or bending of the flap/triangular body, just above finishing any of these welding lines that are made before folding or bending the flap or triangular body.
  • this welding line can be made in different ways such as: rectilinear, semicircular (so that the initial container transformed has the shape of a cylinder) or diagonal.
  • A.2 System or device, mainly, by means of at least one stylet (or thrust body) with which the flap (or triangular body) or strip is folded or bent at least once over itself, as well as, subsequently or/and previously: it seals and/or seals and cuts at least one, two or more times the flap (or triangular body) or strip per at least one face of at least part of the edge (generated by folding the flap over itself) or/and the area adjacent to this edge.
  • stylet or thrust body
  • the impact body (the one that generates the flap or triangular body) or/and the closing grip ⁇ the one that when activated, once the flap or triangular body has been generated, joins the impact body to trap and crush the flap or triangular body that is now located in the middle ⁇ , have the following devices:
  • At least one mode of displacement of the flap (or triangular body) such as, for example, that of a stylet (or thrust body), which will displace at least part of the flap (or triangular body) toward at least one of the faces adjacent to the flap (or triangular body) generated, in such a way that at least one folding or bending over itself of at least part of the flap or triangular body is generated.
  • the stylet (or thrust body) can be fixed, on the one hand, to the impact body or/and the closing grip and, on the other hand, for example, it can be fixed both horizontally and diagonally so that when operating or moving, it will follow a straight or diagonal path.
  • welding system unit or welding and cutting system or cauterization
  • a way of optimizing the procedure of folding or bending the flap/triangular body is when, prior to folding or bending, at least part of a welding line is made above the line of intersection of the flap and the body of the container, because it facilitates quickly and comfortably the folding or bending of the flap (or triangular body) just in the intersection area of the flap/triangular body and this welding line that is made before folding and bending the flap or triangular body over itself.
  • any of these welding lines can be made in different ways, such as: rectilinear, semicircular (so that the initial container transformed has the shape of a cylinder), oblique or saw.
  • A.3 The flap/triangular body or strip can also be folded or bent to at least one side and folded or bent at least once over itself: by dividing into at least two (or at least three units or pieces when the impact body has a closing grip on two sides) pieces or units the impact body or/and the closing grip, in which at least one of the pieces or units at the top is mobile ⁇ activated by means of a mode, such as for example a linear cylinder or linear translation unit which can additionally be fixed to the side faces or base faces in which the flap or strip does not come into contact with them ⁇ , in such a way that at least one of these units will be able to move, for example, to the sides or up or down: destined, in a first instance, to fold or bend towards at least one side the flap/triangular body (or at least part of the flap/
  • the impact body and the closing grip are going to come together (when at least one of them is activated, but especially the closing grip) in order to, on the one hand, block or trap especially at least part of two faces from the bottom of the flap/triangular body or strip and, on the other hand, optionally, seal at least once with a welding line (which can be, for example: rectilinear, diagonal, oblique, semicircular concave/convex, in saw or in two or more directions) ⁇ by means of a heat source such as a resistance or a strip that can be fixed both in the impact body and in the closing grip ⁇ in the intersection area of the flap/triangular body and the body of the container or area adjacent to the previous welding line.
  • a welding line which can be, for example: rectilinear, diagonal, oblique, semicircular concave/convex, in saw or in two or more directions
  • the piece or unit of the top part of the closing grip will move out leaving a space between the two pieces above.
  • the piece or unit of the upper part of the impact body is going to move outwards to fold the flap or strip when pushing the desired part of these, and that, in this case, is going to be the intersection area ⁇ of the welding line made in the intersection area of the flap and the body of the container ⁇ and the rest of the flap or strip.
  • the piece or unit of the bottom part of the closing grip will return to the starting point, moving outwards, in order to free up space so that the flap or strip can be folded to the side face of the container, by means of a thrust mode such as a stylet, a rotating rod or guillotine (moving from top to bottom) installed or fixed on the underside face or side face of the piece or unit of the upper part of the impact body or also, as the case may be, in the closing grip.
  • a thrust mode such as a stylet, a rotating rod or guillotine (moving from top to bottom) installed or fixed on the underside face or side face of the piece or unit of the upper part of the impact body or also, as the case may be, in the closing grip.
  • the piece or unit of the bottom part of the closing grip is activated to seal at least once with a welding line (which can be, for example: rectilinear, diagonal, oblique, semicircular concave/convex, in saw or in two or more directions) the flap/triangular body (or at least part of the flap/triangular body) or strip (or in any other configuration) that is folded or bent over itself, for which the stylet or the rotating rod, in a synchronized manner, will be introduced into the impact body or return to the starting point to allow it to meet the lower part of the impact body.
  • the rotating rod being able to have more width than the flap or strip folded over itself: it is not necessary for it to return to the starting point as it is not going to get in the way of the piece or unit from the lower part of the closing grip.
  • the unit of the upper part of the impact body can be kept protruding outwardly because it facilitates the fixing of the flap or strip folded at least once over itself.
  • both the piece or unit of the upper part of the impact body and the piece or unit of the lower part of the closing grip will return to the starting point.
  • B System or device to seal (by at least one of its faces) and cut (or cauterize) the flap or triangular body prior to it folding, bending or joining at least one part in at least one direction towards or over itself.
  • this strip on one of its faces, there is or runs a welding line that corresponds precisely with the top and bottom transverse welding lines that are made when the initial containers are made, for example, of the tube or pillow type.
  • a line transverse to the flap in the area of intersection between the flap/triangular body and the body/rest of the container.
  • two welding lines (which can be, for example: rectilinear, diagonal, oblique, semicircular concave/convex, in saw, in two or more directions, etc.) vertical, parallel and separated between them ⁇ in the extend that frees, at least, just the welding line that runs to the longitudinal half and on one of the faces of the flap or triangular body ⁇ that converge and are joined to the transversal welding line forming a 90 degree angle.
  • the impact body (the one that generates the flap or triangular body) or/and the closing grip (which when activated, once the flap or triangular body has been generated, joins the impact body to trap and crush the flap or triangular body, which is now located in the middle), have the following devices:
  • At least one unit of a welding system or heat source such as a resistor or by ultrasonics, to seal the flap or triangular body.
  • At least one unit of a cutting or cauterizing system such as a blade, for cutting two triangular segments of the flap or triangular body.
  • This welding or cutting line has a shape as described above in the second and third paragraphs of section [B], but it can also be done in different ways such as: rectilinear, semicircular (so that the initial container transformed has the shape of a cylinder), diagonal, etc.
  • this strip is obtained as a result of the sealing and cutting (or cauterizing) of the flap or triangular body, this can be manipulated in the same way as the flap or triangular body, as it is explained and described in each point of sections [A1], [A.1.1], [A.1.2], [A.1.3], [A.1.4], [A2], [A.2.1] and [A.2.2].
  • the flap or loose strip is crushed on the body of the container (because it is already next to the body of the container) by means of a thrust mode; and at least part of this flap (or triangular body) or loose strip is glued to the body of the container, by means of an adhesion mode such as, for example, contact glue.
  • a pre-step can be made in which this flap (or triangular body) or loose strip is sealed at least once by at least one face.
  • First step pressing by using at least one impact body in the direction of the interior of the container with an inclination of approximately 45 degrees, or, first pressing in parallel and then pressing with an inclination of approximately 45 degrees on at least part of the total part of the left or right side of the same lateral side of the initial container, so that part of the fluid is displaced towards the contour of the container, increasing the pressure inside the container, as well as producing a local inflation effect, obtaining:
  • Second step pressing by using at least one double set of one or two grips or/and one or two impact bodies, towards the interior of the container, positioned facing each other and moving: on at least one part of the two perimeter lateral sides adjacent to the peak (or peak neck), so that part of the fluid is displaced towards the contour of the container, increasing the pressure inside the container, as well as producing a local inflation effect, obtaining:
  • B Optional procedure and prior to the pressing stage in which at least one flap or triangular body is generated, characterized in that it comprises the displacement preferably of the solids (for example: lettuce, vegetables, cereals or nuts), granulated or powdery packed and located in the corners or areas adjacent to the vertices of an initial container: in the direction towards the interior, preferably towards the middle and the center of the initial container (such as square or rectangular of two sides, which has four vertices or corners), in order to free up from at least one solid or solids the area adjacent to the vertex or corner where it is going to generate, precisely, a flap or triangular body.
  • the solids for example: lettuce, vegetables, cereals or nuts
  • the procedure comprises two steps:
  • At least this impact body or grip (or impact bodies or grips) that has been introduced into the container returns or moves to the starting point of departure, to obtain a free area of mainly solids adjacent to the vertex or corner where the flap is going to be generated, in such a way that once it is deployed (or unrolled) and goes backwards [for example: when pressing the container or initial container with the clamping grips] the part of the wrapper that has been folded or introduced into the container, obtaining:
  • the device that is going to introduce the vertex or the corner towards the inner enclosure of the container can be made by means of a set of at least two grips activated by means of a mechanical mode, such as for example a clamp cylinder or/and linear cylinders, in which in addition this set of two grips before and during the procedure (explained in two steps) of displacement or dragging of solids, they will exert the following function: grab and trap between the two grips at least part of the vertex or at least part of the lateral sides or sides adjacent to the vertex, obtaining:
  • the second step it allows to place again in the initial position the part of the wrapper and folded vertex because, during the whole procedure of the two steps, the set of two grips will not release the part of the vertex (or lateral sides adjacent to the vertex or corner) that holds gripped, so that when it returns backward ⁇ activated, for example, by mechanical means such as at least one linear or rotating cylinder ⁇ to the initial starting point or intermediate point (where the grips are separated or opened), it will drag back to the vertex, causing the initial container to recover the original shape of for example: an initial square or rectangular two-sided container.
  • the initial container is introduced or will be placed between sets of grips or impact bodies, so that, when activated, they will form a cubic or three-dimensional cavity on at least three sides and, at the same time, blocking and pressing the perimeter lateral sides of the initial container: this, in an inductive and spontaneous way, will acquire the three-dimensional shape by adapting and coupling to the created cavity ⁇ cubic or three-dimensional ⁇ whose formation has been desired, as well as one, two, three, four or more flaps or triangular bodies.
  • At least one impact body will be activated in order to hit at least one of the faces where at least one flap or triangular body has been generated, so that in this way, first, the triangular bodies/flaps are better formed and, secondly, it also serves as a support and part of a two-part set consisting of an impact body and a closing grip with which to manipulate the flap or triangular body, choosing between any of the following options:
  • sealing by means of a heat source mode such as for example a resistor or by ultrasonics ⁇ at least once per at least one side of the flap/triangular body; folding or bending the flap/triangular body at least once per at least one face at least part of at least two parts of the flap or triangular body and, finally, resealing at least once per at least one face at least part of the generated edge ⁇ when folding the flap/triangular body over itself ⁇ or/and at least once per at least one face of at least part of the adjacent and separated area to the edge.
  • a heat source mode such as for example a resistor or by ultrasonics ⁇
  • the loose flap or triangular body by means of a sealing system ⁇ by means of a heat source such as a resistor or by ultrasonics ⁇ and/or cutting ⁇ by means of a cutting system such as a blade ⁇ , it will be able to be manipulated between the following options: crushing and gluing/adhering to the body of the container; sealing, crushing and gluing/adhering to the body of the container; only sealing; only cutting or sealing or cutting.
  • D Providedure to transform an initial container or flexible bag of at least two faces and sealed with fluid (liquid and/or air/gas) and with solids in its interior: into a container with a three-dimensional geometric body shape such as a cube, rectangular prism, cylinder, elliptical cylinder or irregular polyhedron.
  • the initial container in order for these flaps to be generated and that at the same time the initial container that has fluids with solids in its interior acquires the pretended three-dimensional geometric body shape, the initial container will be placed, preferably, in q vertical position so that the solids fall down and thus leave a solid/granular/powder free zone in the part, at least, above the container or adjacent area of at least one of the perimeter lateral sides of the uppermost part of the container.
  • the procedure comprises the following steps:
  • the initial container is grasped or/and locked by any of the zones or parts thereof, with the exception of the adjacent zone of at least one of the perimeter lateral sides of the upper part of the container in which at least one flap or triangular body will originate.
  • a constant pressure force can be maintained therein and with adjustable cushioning towards the interior of the same initial container by at least one or more of its sides, in order to insufflate at least the packaged fluid inside the container towards the outer contour of the container or towards at least one of the perimeter lateral sides that is located in the upper part of the container.
  • At least one grip or a set of two or more pusher grips can fulfill at least one more of the following functions:
  • At least one pusher grip or/and at least one set of two or more pusher grips may be, for example, fixed to:
  • At least one flap/triangular body will be generated (or at least part of at least one flap or triangular body) by means of at least one impact body as well as, at the same time, at least one flat surface or supporting face is generated and, likewise, the initial container will suffer (the corresponding part) a transformation of its volumetry into a three-dimensional geometric body shape, when an effect of inflation of the container occurs.
  • At least one of the flaps or triangular bodies will be manipulated, being able to choose, for example, from among the options of sections [A], [B] or [C]. In any of these options, it will allow the container to permanently maintain the corresponding shape of a three-dimensional geometric body.
  • This rotation can be done in two different ways:
  • the folding or bending and subsequent sealing system (so that it remains folded or bent over time) of the flap/triangular body, as well as the sealing and cutting of the flap/triangular body to obtain a strip or/and subsequent folding or bending and sealing thereof: guarantees to 100% in both cases, the useful life of the container ⁇ since its transformation into 3D, later opening and consumption of the packaged product ⁇ : the non-deformation and non-alteration of its three-dimensional configuration, keeping all its visual and commercial aesthetics.
  • any of the containers of the invention can easily and conveniently be opened without the need for scissors, but especially it is based on the fact that the flap/triangular body or strip folded/bent at least once over itself and sealed at least once by the edge (generated by folding or bending the flap at least once over itself) can be torn or detached by pulling them, tearing precisely by this sealed edge.
  • Using the folding or bending system of the flap or triangular body also facilitates the opening just by the sealing line that is made in the line or area of intersection between the flap and the body/rest of the container, since it allows that this welding line can be made with lower temperature intensity and shorter sealing time, so there is less adhesion or gluing of the sealed plastics: thus facilitating the opening by this sealing line.
  • the opening of the strip ⁇ generated when sealing and cutting the flap or triangular body ⁇ is also very easy and comfortable: because you only have to grab and stretch outwards at least part of the two faces adjacent to the strip, so as to make the container open by the welding line that is around the strip and
  • the container is more stable because the support face is wider and more consistent, as more support surface is generated in the base because part of the flap (or triangular body), folded/bent at least once over itself, remains flat and in extension, as a wing, of the side face of the container and that, depending on the case, may have smaller or larger surface area and less or greater rigidity, depending on the number and width of the welding lines available to each wing.
  • FIG. 1 shows a detailed view of the elevation of part of the components of a vertical machine that transforms flexible initial containers into 3D containers, where the devices to seal (optional), fold/bend the flap at least once over itself in two parts and, subsequently, seal the folded or bent flap can be appreciated.
  • the initial container (manufactured by a vertical or horizontal machine for filling liquids or solids, available in the markets for more than 20 years), which in this case is square, double-sided and also inside it has been packed at least a fluid and optionally with solids or without them, is located—in this case—between the clamping grips ( 3 ) ⁇ activated by means of a drive mode such as for example the clamp cylinder or linear or rotating cylinder ⁇ that are grabbing and pressing it (not necessarily) to facilitate the formation of the flap.
  • a drive mode such as for example the clamp cylinder or linear or rotating cylinder ⁇ that are grabbing and pressing it (not necessarily) to facilitate the formation of the flap.
  • the side faces of the impact body ( 6 ) ⁇ in this case is immobile because the initial container is the one that hits or collides against the impact body, in order to generate the flaps. If, on the contrary, it is mobile, it will be activated by means of a mode such as, for example, a linear cylinder ( 9 ) or a rotating cylinder ⁇ , in this case, they have a cavity ( 42 b ) and two welding systems (or sources of heat) fixed inside the impact body ( 6 ), which are located above and below (although it could be, for example, only below or also only above) of two parts of the folded flap and, in addition, each of these are activated—in this case—by means of two linear cylinders ( 9 ) in vertical position.
  • a mode such as, for example, a linear cylinder ( 9 ) or a rotating cylinder ⁇ , in this case, they have a cavity ( 42 b ) and two welding systems (or sources of heat) fixed inside the impact body ( 6 ), which are located above and below (although it
  • the two closing grips ( 8 ) have, on the one hand, a stylet ( 46 a ) ⁇ activated, in this case, by two linear cylinders ( 9 ) ⁇ located in an interior cavity of the side face that precisely makes contact with the flap ( 36 a ) when the closing grip ( 8 ) is activated and, on the other hand, optionally, has two welding systems ( 38 ae ) (or heat source) fixed above and below the stylet ( 46 a ) with which the flap will be sealed, in this case, transversely with a rectilinear welding line.
  • the heat source system at the bottom which is optional, is arranged at that particular height so that the intersection area between the flap and the rest of the container is sealed, in order to give consistency and rigidity to the container; and, additionally, the heat source system of the upper part, which is optional, is arranged at that particular height, for two reasons: First, to give consistency and rigidity to the folding or bending of the flap and, secondly, so that this welding line ( 38 ae ), once the flap is folded, coincides just next to the generated edge, so that later on when the edge is sealed the flap can easily be torn.
  • a hatch ( 10 ) holding the initial two-sided, square flexible container in which this can be static (if only one or two flaps/triangular bodies are to be generated in the initial container or, on the contrary, the initial container is rotated 180 degrees so that also one or two flaps are generated on the perimeter lateral side of the bottom part) or mobile activated by at least one displacement mode such as for example a linear ( 9 ) or rotating cylinder.
  • FIG. 2 shows the same detailed view of the elevation of FIG. 1 , but in this case the impact body ( 6 ) and the closing grip ( 8 ) have been modified, because it illustrates another system for sealing (optional), folding or bending the flap over itself at least once in two parts and, subsequently, sealing at least once the flap folded or bent.
  • the impact body ( 6 ) of the triple set of grips ( 6 , 8 ) is immobile because it is not fixed to the rod, for example, of a linear or rotating cylinder that activates it.
  • FIGS. 1, 2 and 3 I describe only the differences in the operation and the different elements, devices and parts with respect to the machine of the invention exposed in FIGS. 1, 2 and 3 :
  • the two closing grips ( 8 ) have, on the one hand, a stylet ( 46 a ) ⁇ activated, in this case, by two linear cylinders ( 9 ) ⁇ located in the interior cavity of the side face which, precisely, makes contact with the flap when the closing grip is activated ( 8 ) and, on the other hand, optionally, has a welding system ( 38 ae ) (or heat source) fixed above the stylet ( 46 a ) with which the flap is to be sealed, in this case, transversally with a rectilinear welding line.
  • this heat source system which is optional, has been arranged at that specific height for two reasons: First, to give consistency and rigidity to the folding or bending of the flap and, second, so that this welding line ( 38 ae ), once the flap is folded, coincides just next to the generated edge, so that, later, after the edge is sealed, the flap can be torn easily.
  • the closing grip ( 8 ) is activated by crushing the flap to thereby expel the packaged content inside the two faces of the flap and, on the other hand, to seal the flap.
  • the gate ( 43 b ) in order to open a hole, will rotate 90 degrees inwards into the impact body ( 6 ), and the stylet ( 46 a ) will advance horizontally forward to thus enter the interior of the impact body ( 6 ) and, at the same time, also introduce at least part of the flap in order to fold or bend the flap in two parts over itself.
  • the welding system is activated which, in this case, has two differentiated heat sources ( 39 ac , 39 ad ): in order to seal the generated edge when bending or folding the flap over itself and, also, the area adjacent and parallel to this edge; both welding lines (which can be, for example: rectilinear, diagonal, oblique, semicircular concave/convex, two or more directions, etc.) are separated by the desired distance in millimeters.
  • both the welding system ( 39 ac , 39 ad ) and the closing grip ( 8 ) [although the latter can also do so when the stylet ( 46 a ) returns to the starting point] will return to the starting point, releasing the container already transformed into 3D.
  • FIG. 3 shows the same detailed view of the elevation of FIG. 2 , but in this case only the stylet ( 46 a ) has been modified, since it is arranged and fixed to the closing grip ( 8 ) in a diagonal position. Therefore, it has the same operation and the same elements, devices and parts as the vertical machine that transforms initial containers into 3D or three-dimensional containers.
  • the stylet ( 46 ) diagonally has been designed in this way to optionally enable or fix one more welding system: just in the lower part of the closing grip ( 8 ) with which to seal a welding line ( 38 a ) in the area or line of intersection between the flap and the container body.
  • a welding line ( 38 a ) in the area or line of intersection between the flap and the container body.
  • FIG. 4 shows the same detailed view of the elevation of FIGS. 1, 2, and 3 but in this case the impact body ( 6 ) and the closing grip ( 8 ) have been modified, because it illustrates another system for sealing (optional), folding or bending the flap over itself at least once in two parts and, subsequently, sealing the folded flap at least once.
  • this welding system/heat source which is optional, has been set at that specific height for two reasons: First, to give consistency and rigidity to the folding or bending of the flap and, second, so that this welding line ( 38 ae ), once the flap is folded, coincides right next to the generated edge, so that later on when the edge is sealed the flap can easily be torn.
  • the closing grip ( 8 ) is activated by crushing the flap to thereby expel the packaged content inside the two faces of the flap and, on the other hand, to seal the flap.
  • the gate ( 43 b ) in order to open a hole, will rotate 90 degrees inwards into the impact body ( 6 ), and the stylet ( 46 a ) will advance horizontally forward to thus enter the interior of the impact body ( 6 ) and, at the same time, also introduce at least part of the flap in order to fold or bend the flap in two parts over itself.
  • the welding system is activated which, in this case, has two differentiated heat sources ( 39 ac, 39 ad ): in order to seal the generated edge when bending or folding the flap over itself and, also, the area adjacent and parallel to this edge; both welding lines (which can be, for example: rectilinear, diagonal, oblique, semicircular concave/convex, two or more directions, etc.) are separated by the desired distance in millimeters.
  • both the welding system ( 39 ac , 39 ad ) and the closing grip ( 8 ) [although the latter can also do so when the stylet ( 46 a ) returns to the starting point] will return to the starting point, releasing the container already transformed into 3D.
  • FIG. 5 shows the same detailed view of the elevation of FIGS. 1, 2, 3 and 4 but in this case the impact body ( 6 ) and the closing grip ( 8 ) have been modified, because it illustrates another system of manipulation of the flap or triangular body, in which by means of sealing (optional), folding or bending the flap over itself at least once in two parts and, subsequently, sealing the folded flap at least once.
  • FIGS. 1, 2 and 3 I describe only the differences in the operation and the different elements, devices and parts with respect to the machine of the invention exposed in FIGS. 1, 2 and 3 .
  • this case only one triple set of grips ( 6 , 8 ) is shown: where ⁇ by hitting or colliding one of the lateral sides of the initial container against/on the lower face of the impact body ( 6 ) ⁇ two flaps/triangular bodies have been generated on the left and right face of the impact body ( 6 ).
  • This device in this case, has the shape of a transverse rectilinear welding line (which can be, for example: rectilinear, diagonal, oblique, two or more directions, semicircular concave/convex, etc.) in the area of intersection between the flap and container body and two vertical rectilinear welding lines (which can be, for example: rectilinear, diagonal, oblique, semicircular concave/convex, two or more directions, etc.), parallel and separated from each other ⁇ to the extent that at least the welding line ( 1 ) flowing through the longitudinal half of the face of each flap that is making contact with the side faces of the impact body ( 6 ) is released ⁇ converging and being joined to the transverse welding line forming a 90 degree angle.
  • a transverse rectilinear welding line which can be, for example: rectilinear, diagonal, oblique, two or more directions, semicircular concave/convex, etc.
  • FIG. 6 shows a view from the base face of the elevation of a flexible container in the shape of a basket, in a vertical position. In addition, it has a rectangular base face.
  • the container may have been generated, for example, by another procedure or machine not of the invention that has or has acquired any of the devices of the invention in order to seal, fold over itself and seal the flap/triangular body or, on the contrary, the initial container used to be transformed into 3D, has the shape of a rectangle and, in this case, is of the tube type with two welding lines at the top ( 1 ) and below ( 1 ), and in addition has been generated only two flaps (or triangular bodies) on one of the perimeter lateral sides of shorter length.
  • the flap (or triangular body) has been folded (over itself) towards the bottom face ( 36 b ) and, subsequently, the area or parallel and adjacent line has been sealed (separated, in this case, about two millimeters) to the edge (d) ⁇ generated when bending or folding the flap over itself ⁇ with a rectilinear welding line ( 2 b ) [made by the impact body ( 6 )].
  • FIG. 7 shows a view of the elevation of a flexible cube-shaped container.
  • the initial container used to be transformed into 3D has a square shape and, in this case, is of the pillow type with three welding lines: two parallel ⁇ the one above ( 1 ) and the one below ( 1 ) ⁇ and one longitudinal and perpendicular ( 4 ) to the previous ones ⁇ in the middle of the front face or the rear face ⁇ .
  • four flaps have been generated: two flaps on two of the perimeter lateral sides of shorter length.
  • the flap (or triangular body) has been bent (over itself) towards the side face ( 36 a ) and, subsequently, the edge has been sealed (c) ⁇ generated when bending or folding the flap over itself ⁇ with a rectilinear welding line ( 2 a ) [made by the closing grip ( 8 )].
  • the flap (or triangular body) has been bent (over itself) towards the bottom face ( 36 b ) and, subsequently, the edge has been sealed (c) ⁇ generated when bending or folding the flap over itself ⁇ with a rectilinear welding line ( 2 b ) [made by the impact body ( 6 )].
  • FIG 8 shows a view of the elevation of a flexible container in the shape of a rectangular Prism, in a vertical position.
  • the initial container used to be transformed into 3D has a rectangular shape and, in this case, is of the pillow type (for example: containers containing chips) with three welding lines: two parallel ⁇ the one above ( 1 ) and the one below ( 1 ) ⁇ and one longitudinal and perpendicular ( 4 ) to the previous ones (in the middle of the front face or the rear face ⁇ .
  • four flaps have been generated: two flaps on two of the perimeter lateral sides of shorter length.
  • the flap/triangular body ( 36 a ) has been sealed with a welding line ( 2 b ) [made by the impact body ( 6 ), having a welding system fixed on its side face] in the area of intersection between the flap and the body of the container;
  • this sealed flap ( 2 b ) has been folded (over itself) towards the lateral face, just by a parallel line and separated about 7 millimeters from the welding line ( 2 b );
  • the edge (c) ⁇ generated when bending or folding the flap over itself ⁇ has been sealed with a rectilinear welding line ( 2 b ) [made by the impact body ( 6 )].
  • a strip ( 37 a ) On the left and right side of the underside of this rectangular Prism container, a strip ( 37 a ) has been generated from sealing ( 2 af ) a flap (on each side) and, subsequently, each of these strips ( 37 ) has been folded (over itself) towards the side face ( 37 a ) and, next, the edge has been sealed ( 2 ac ) ⁇ generated when bending or folding the flap over itself ⁇ with a rectilinear welding line ( 2 a ) [made by the closing grip ( 8 )].
  • a cover ( 48 ) is generated, after tearing the flap along the edge, when the container is opened by the following welding lines (which can be, for example: rectilinear, diagonal, oblique, semicircular concave/convex, two or more directions, etc.), on the left and right side two perpendiculars ( 2 ) ⁇ in the area of intersection between the flap and the body of the container ⁇ and one of edge ( 3 ).
  • welding lines which can be, for example: rectilinear, diagonal, oblique, semicircular concave/convex, two or more directions, etc.
  • FIG. 9 shows a view of the elevation of a flexible container in a shape similar to a Jug, in a vertical position.
  • the container may have been generated by another procedure or machine not of the invention or, on the contrary, may have been generated by a procedure of the invention, in which the initial container used to be transformed into 3D, has a rectangular shape and, in this case, it is of the tube type with two welding lines above ( 1 ) and below ( 1 ).
  • three flaps or triangular bodies have been generated: two flaps on the perimeter lateral side of shorter length of the lower part, and one flap on the lateral side of shorter length of the upper part.
  • the flap (or triangular body) has been folded or bent at least once over itself (at the desired height) towards the side face ( 36 a ) and, subsequently, the vertex (c) ⁇ generated when bending or folding the flap over itself ⁇ has been sealed with a rectilinear welding line ( 2 a ) [made by the closing grip ( 8 )].
  • a flap ( 36 ) On the left and right side of the underside of this Jar container, a flap ( 36 ) has been generated, which has been sealed—prior to being folded or bent at least once over itself—with a welding line ( 2 a ) [made by the closing grip ( 8 ), having a welding system fixed on its side face] in the area of intersection between the flap and the body of the container; next, this sealed flap ( 2 a ) has been folded or bent at least once over itself, towards the side face of the container, just in the line of intersection between the welding line ( 2 a ) and the rest of the flap or triangular body and, finally, the edge (c) ⁇ generated when bending or folding the flap over itself ⁇ has been sealed with a rectilinear welding line ( 2 a ) [made by the closing grip ( 8 )].
  • FIG. 10 shows a view of the elevation of a flexible container with a shape similar to a Basket, in a horizontal position.
  • the initial container used to be transformed into 3D has rectangular shape in a horizontal position and, in this case, is of the tube type with two welding lines above ( 1 ) and below ( 1 ), and it has been generated only two flaps or triangular bodies on one of the perimeter lateral sides of longer length.
  • a Strip ( 37 ) which, in this case, is arched because the strip has also been sealed (the whole, 3 ⁇ 4 of it or with at least one or two welding lines (they can be, for example: rectilinear, diagonal, semicircular concave/convex, two or more directions, etc.) separated from each other between the two welding lines that flank it on both sides and by at least one face before or after being generated. If it is not sealed, precisely this area remains rectilinear.
  • FIG. 11 shows a view of the elevation of a flexible container in the shape of a rectangular Prism, in a vertical position.
  • the initial container used to be transformed into 3D has a rectangular shape in a vertical position and, in this case, is of the pillow type with three welding lines: two parallel ⁇ the one above ( 1 ) and the one below ( 1 ) ⁇ and one longitudinal and perpendicular ( 4 ) to the previous ones ⁇ in the middle of the front face or the rear face ⁇ .
  • flaps have been generated: two flaps/triangular bodies on the perimeter lateral side of shorter length of the bottom, and two other flaps on the perimeter lateral side of shorter length of the top and which, subsequently, have been transformed into Strips ( 37 ) by sealing ( 2 af ) the flap or triangular body.
  • the strip ( 37 a ) from above to the right, in this case, is arched because the strip has also been sealed (the whole, 3 ⁇ 4 of it or with at least one or two welding lines separated from each other) between the two welding lines (which can be, for example: rectilinear, diagonal, semicircular concave/convex, two or more directions, etc.) that flank it on both sides and by at least one side and, on the left, it is in a rectilinear position because it has only been sealed in the flanked area ( 2 a/f ) around the strip ( 37 ) and not inside; in addition, it also carries the welding line at the intersection of the flap/triangular body ( 36 ) and the body of the container ( 2 a ).
  • the flap (or triangular body) has been folded (or bent at least once over itself) towards the side face ( 36 a ) of the container and, subsequently, the parallel and adjacent area has been sealed (separated, in this case, by about 4 millimeters to the edge (d) ⁇ generated when bending or folding the flap over itself ⁇ with a rectilinear welding line ( 2 a/d )) [made by the closing grip ( 8 )].
  • the container On the top side, the container is opened by any of the two ⁇ ( 2 a / 37 a ), where the packaged product of the interior will be served.
  • FIG. 12 shows a view of the elevation of a flexible cube-shaped container.
  • the initial container used to be transformed into 3D has a square shape and, in this case, is of the pillow type with three welding lines: two parallel ⁇ the one above ( 1 ) and the one below ( 1 ) ⁇ and one longitudinal and perpendicular ( 4 ) to the previous ones ⁇ in the middle of the front face or the rear face ⁇ .
  • four flaps or triangular bodies have been generated to the initial container: two flaps/triangular bodies on one of the perimeter lateral sides and two more flaps on the perimeter lateral side parallel to the anterior perimeter lateral side.
  • a strip ( 37 a ) On the left and right side of the top face of this cube-shaped container, a strip ( 37 a ) has been generated by sealing ( 2 af ) a flap or triangular body (on each side) and, subsequently, each of these strips ( 37 ) has been folded (over itself) towards the side face ( 37 a ) and, next, the edge has been sealed (c) ⁇ generated when bending or folding the flap or triangular body over itself ⁇ with a rectilinear welding line ( 2 a ) [made by the closing grip ( 8 )].
  • the flap or triangular body ( 36 ) On the left and right side of the top face of the cube-shaped container, the flap or triangular body ( 36 ) has been folded (over itself) towards the side face (a) and, subsequently, it has been sealed with two rectilinear welding lines ( 2 a/d ) (which can be, for example: diagonal, semicircular concave/convex, two or more directions, etc.) [made by the closing grip ( 8 )] and parallel (separated between them, in this case, about four millimeters), which, in turn, are parallel and contiguous (d) (separated, in this case, by about three millimeters) to the edge generated by bending or folding the flap or triangular body over itself.
  • two rectilinear welding lines ( 2 a/d ) which can be, for example: diagonal, semicircular concave/convex, two or more directions, etc.
  • the container On the top side, the container is opened by either of the two welding lines ( 2 af / 37 a ), so that the product packaged inside can be served.
  • the strip ( 37 a ) can be torn at the edge ( 2 ac ) to facilitate, later on, the opening of the container by the welding line ( 2 af ) of the intersection area of the flap/triangular body and the body of the container.
  • FIG. 13 presents the elevation of a flexible container in the shape of a rectangular Prism, in a horizontal position.
  • the initial container that will be transformed into 3D has a rectangular shape in horizontal and, in this case, is of the pillow type with three welding lines: two parallel (the top one ( 1 ) and the bottom one ( 1 ) ⁇ and one longitudinal and perpendicular ( 4 ) to the previous ones ⁇ in the middle of the front face or the back face ⁇ .
  • a Strip ( 37 ) has been generated from a flap (or triangular body) by sealing ( 2 af , 2 bf ) and cutting around the longitudinal zone, and the middle of the flap/triangular body has been arched because the strip has also been sealed (in the whole, 3 ⁇ 4 of it or with at least one or two welding lines separated from each other) between the two welding lines (can be, for example: rectilinear, diagonal, two or more directions, semicircular concave/convex, saw, etc.) that flank on both sides and on at least one face before or after being generated.
  • the flap (or triangular body) has been bent (on itself) towards the side face ( 36 b ) and, subsequently, the edge has been sealed (c) ⁇ generated when bending or folding over the flap ⁇ with a rectilinear welding line ( 2 a ) [made by the closing jaw ( 8 )].
  • a cover ( 48 ) is generated, when the container is opened by the following welding lines: on the left and right side two welding lines (they can be, for example: rectilinear, diagonal, semicircular concave/convex, etc.) perpendicular ( 2 af , 2 bf ) ⁇ in the area of intersection between the flap and the body of the container ⁇ and one at the edge ( 3 ).
  • the cap ( 48 ) generated can also be detached completely by pulling it outward, especially if the other parallel edge ( 3 ) of the top face has also been sealed.
  • FIG. 14 presents an elevation of a flexible rectangular Prism-shaped container in a horizontal position.
  • a cap has been adhered or stuck on the top face.
  • the initial container that will be transformed into 3D has a rectangular shape and, in this case, is of the tube type with two welding lines above ( 1 ) and below ( 1 ).
  • four flaps or triangular bodies have been generated in the initial container: two flaps/triangular bodies on one of the longer side perimeter sides and two other flaps on the side perimeter side of greater length parallel to the previous one.
  • the flap or triangular body On the upper left side, the flap or triangular body has not been bent or folded at least once on itself, but it has been sealed with a rectilinear welding line ( 2 a ) in the intersection area between the flap and the impact body ( 6 ).
  • the flap or triangular body has arched towards the side face (it has not been folded or bent at least once on itself) but it does not join with the body of the container, because the plastic of the wrapper is a complex material with a thickness of approximately 30 microns and because it has also been sealed with two rectilinear welding lines ( 2 a ) although they can be, for example: diagonal or semicircular concave/convex: one in the area of intersection between the flap and the impact body ( 6 ) and the other, parallel and separated from the previous one by at least one or two millimeters. The same result is also obtained, but with less arching: if a welding line of at least 10 millimeters width is made.
  • the flap or triangular body ( 36 ) On the left side of the underside of this container, the flap or triangular body ( 36 ) has been folded at least once on itself ⁇ Device A ⁇ towards the bottom face (b) and, subsequently, it has been sealed with two rectilinear welding lines (they can be, for example: diagonal, oblique or semicircular concave/convex) and parallel: one ( 2 a/c ) [made by the impact body ( 6 )] in the area intersecting between the flap and the body of the container and the other ( 2 b/d ) [made by the closing jaw ( 8 )], parallel and contiguous with the edge (c) ⁇ generated when bending or folding the flap on itself ⁇ , in which both are separated, in this case, by about two millimeters.
  • two rectilinear welding lines they can be, for example: diagonal, oblique or semicircular concave/convex
  • a flap ( 36 ) On the right side of the underside of this container, first, a flap ( 36 ) has been generated that has been sealed—before folding it at least once on itself—with two welding lines ( 2 a ) ⁇ they can be, for example: rectilinear, diagonal, semicircular concave/convex, two or more directions, saw, etc. ⁇ [made by the closing jaw ( 8 ), having a welding system fixed in its lateral face]: one in the area of intersection between the flap and the body of the container and the other ( 2 a/d ), parallel and contiguous to the previous one in which both are separated, in this case, about two millimeters.
  • this sealed flap ( 2 a ) has been folded at least once on itself toward the side of the container, just at the line of intersection between the second line of welding ( 2 a ) and the rest of the flap or triangular body and, finally, the edge (c) ⁇ generated when bending or folding over the flap ⁇ has been sealed with a rectilinear welding line ( 2 b/c ) [made by the impact body ( 6 )].
  • FIG. 15 a shows in detail the same view of the bottom of the container of FIG. 11 , in which this is a container with a rectangular prism shape, in vertical position.
  • the flap (or triangular body) has been folded or bent at least once on itself towards the side face ( 46 a ) of the container and, subsequently, the parallel and contiguous zone (separated, in this case, by about 4 millimeters from the edge) has been sealed (d) to the edge (c) ⁇ generated when bending or folding over the flap ⁇ with a line of rectilinear welding ( 2 a/d ) [made by the closing jaw ( 8 )].
  • FIG. 15 b presents the same container as the one in FIG. 15 a , but this time a further step has been taken by cutting/cauterizing (e), in this case, the parallel and contiguous zone or line with a separation of about three millimeters: to the rectilinear welding line ( 2 a/d ).
  • e cutting/cauterizing
  • a sectioned section of the flap (or triangular body) generated is thus obtained, in such a way that space is released. Likewise, it can also make the package even more stable in cases where the flap is folded on itself on the supporting face.
  • FIG. 15 c presents the same container as in FIG. 15 a , but this time it has also been sealed (e) and cut/cauterized (e), in this case, a section of the flap or triangular body smaller than that in FIG. 15 a . So the rectilinear welding line of the seal ( 2 e ) and cut (e) of the flap or triangular body, has been made parallel and contiguous to the welding line ( 2 a/d ) but with a separation between them of approximately 6 millimeters.
  • FIG. 16 a shows in detail the same view of the container as in FIG. 15 a but replacing the flap/triangular body ( 36 ) with the strip ( 37 ).
  • FIG 16 b shows in detail the same view of the container as in FIG. 15 b but replacing the flap/triangular body ( 36 ) with the strip ( 37 ).
  • FIG. 16 c shows in detail the same view of the container as in FIG. 15 c but replacing the flap/triangular body ( 36 ) with the strip ( 37 ).
  • FIG. 17 presents the elevation of a flexible container shaped like a rhomboid pyramid.
  • the container has been generated by a method proper of the invention, in which the initial container from which it is split to be transformed into 3D, has the quadrangular shape and, in this case, has four seals on each side, as well as only one flap (or triangular body) has been generated on one of the perimeter lateral sides.
  • the flap ( 36 a ) of the base has been sealed—before being bent or folded at least once on itself
  • welding lines ( 2 a / 36 b ) they can be, for example: rectilinear, diagonal, semicircular concave/convex, etc. ⁇ [made by the closing jaw ( 8 ), having a welding system fixed on its side face]: one in the intersection area ( 2 a ) between the flap and the body of the container and, the other ( 2 a/d ), parallel and contiguous to the previous one in which both are separated, in this case, about three millimeters.
  • this sealed flap has been folded once on itself towards the side of the container just at the intersection line between the second weld line ( 2 a/d ) and the rest of the flap or triangular body and, finally, the edge ⁇ generated by bending or folding over the flap) has been sealed with a rectilinear welding line ( 2 a/c ) [made by the impact body ( 6 )].
  • FIG. 18 shows the elevation of a flexible container in the shape of a rectangular Prism, in a horizontal position.
  • the container is the same as in FIG. 13 , but in this case the lid ( 48 ) of the open upper side is shown.
  • the lid ( 48 ) was opened by three welding lines (although it could also have been opened completely if the other edge of the top face had also been sealed): the edge ( 3 ) generated in the intersection of the top face with the opposite face and the two welding lines ( 2 a/f/ 37 , 2 b/f / 37 ) generated when sealing and cutting the flap or triangular body.
  • One way to open the lid ( 48 ) is by pulling outwards and in opposite directions with two or three fingers of the adjacent sides ⁇ facing away, in opposite directions ⁇ from both the welding line from top to the left ( 2 a/f / 37 ) ⁇ sealed (a) only the right side ⁇ as the one on the upper right ( 2 b/f / 37 ) ⁇ seal also only on one side and, in this case, is the right side (b) or outside (when the container is in horizontal position) ⁇ , to open a mouth in these welding lines.
  • pull the cover ( 48 ) to finish opening the edge welding line ( 3 ).
  • FIG. 19 shows the elevation of a flexible cylinder-shaped container.
  • the initial container that is going to be transformed into a 3D container has a rectangular shape and, in this case, is of the tube type with two welding lines above ( 1 ) and below ( 1 ).
  • four flaps or triangular bodies (two of them on one of the perimeter sides of shorter length and the other two on the other side of a shorter length parallel to the previous one) have been generated with a semicircular setting because the impact body ( 6 ) and the closing jaw ( 8 ) can have a configuration in at least the side to be joined: either semi-cylindrical-concave, or semi-cylindrical convex, in such a way that they are to be assembled (to introduce section of one within section of the other) inserted into each other in order to arch the triangular flap/body in a semicircular configuration.
  • the two triangular flaps/bodies generated first, have been sealed-before each being folded or bent at least once on itself-with a welding line ⁇ one on the outside ( 2 ag ) and , the top back, inside ( 2 bg ) ⁇ in the intersection area of the flap/triangular body with the body of the container, second, have been folded on themselves towards (outside) the side of the container, third, they have been sealed again with a welding line ⁇ the one on the front, wider and on the outside ( 2 acg ), and the one on the back, narrower and on the inside ( 2 bcg ) ⁇ in the area of the edge generated at fold the flap or triangular body over itself.
  • the two triangular flaps/bodies generated in a semicircular configuration first, have been folded on themselves towards (inside) the base of the container, second, they have been sealed with a weld line ( 2 beg ) on the edge (c) generated by folding the flap or triangular body over itself.
  • the welding lines ( 2 a/g / 36 a, 2 b ) /g/ 36 b ) will open (pulling outward in opposite directions at least section of each face adjacent to these welding lines) generating an opening mouth so as to subsequently detach or separate the cap generated from the top side: when pulling it up.
  • FIG. 20 shows the elevation of a flexible container in the shape of a basket, in vertical position. In addition, it has a square base.
  • the initial container that is going to be transformed into 3D has the shape of a rectangle and, in this case, is of the tube type with two welding lines above ( 1 ) and below ( 1 ); it only has two flaps (or triangular bodies) on one of the perimeter side edges of shorter length.
  • the flap On the left side of the underside of the basket container, the flap (or triangular body), first, has been sealed ( 2 b ) with a rectilinear welding line (although it can also be, for example: diagonal, oblique or semicircular concave or convex) in the intersection area of the flap/triangular body and the body of the container ⁇ , it has been made with a width of about 12 millimeters; second, the flap/triangular body has been folded once on itself towards the base: precisely by the intersection area of the flap/triangular body and the previous welding line made in the area of intersection of the flap/triangular body and container.
  • a rectilinear welding line although it can also be, for example: diagonal, oblique or semicircular concave or convex
  • the flap/triangular body folded on itself (by means of a heat source such as a resistance or by ultrasound) has been sealed with two rectilinear welding lines (although it can also be, for example: diagonal, oblique or semicircular) concave or convex), parallel and separated one from the other: an edge welding line ( 2 b/c / 36 b ) and a rectilinear welding line contiguous ( 2 b/d ) to the previous one and which, in this case, is located to the middle of the welding line ( 2 b ).
  • a heat source such as a resistance or by ultrasound
  • the flap On the right side of the underside of the basket container, first, the flap (or triangular body) has been sealed on the outside with two rectilinear welding lines (although they can also be, for example: diagonal, oblique or concave or convex semicircular): one ( 2 a ) in the intersection area of the flap/triangular body and the body of the container and, the other ( 2 a/e ), parallel and separate from the previous one—in this case—by one or two millimeters; second, the flap/triangular body has been folded once on itself and towards the base: precisely by the intersection area of the flap/triangular body and the previous welding line ( 2 a/e ).
  • two rectilinear welding lines although they can also be, for example: diagonal, oblique or concave or convex semicircular
  • the flap/triangular body folded on itself (by using a heat source such as a resistance or by ultrasound) has been sealed with two rectilinear welding lines (although it can also be, for example: diagonal, oblique or semicircular) concave or convex), parallel and separated one from the other: an edge welding line (c) and a rectilinear welding line (d) which, in this case, is located in the middle of the welding line ( 2 b ).
  • a heat source such as a resistance or by ultrasound
  • FIG. 21 shows the elevation of the flexible container as in FIG. 13 with a rectangular Prism shape in horizontal position, but in this case the two flaps or triangular bodies generated on the top have been sealed ( 2 ) and cut ( 2 h ) in the intersection area of the flap/triangular body and the body of the container.
  • this drawing serves as an example of how in any of the flexible containers in addition to being manipulated the flaps/triangular bodies as expressed in any one of the Procedures or Devices of this invention, they can also be in a same flexible package where, at least, one flap/triangular body can be handled in another way such as for example by sealing ( 2 ) or sealing and cutting ( 2 h ); although this Procedure is not effective and safe for the preservation of the container or for the product packed inside it.
  • the procedure includes the following stages:
  • the container is placed standing upright on a hatch and between a set of two clamping jaws ( 3 ), followed by a sensor mode (optical, infrared, motion, etc.) that detects the initial container: it will give the order to actuate the jaws ( 3 ) ⁇ operated by a drive mode such as a clamp cylinder or linear cylinder or turn ⁇ to grip and block (exerting pressure but with cushioning allowing the container to inflate at the time of generating the flaps) the initial container, in which they will also maintain a constant but cushioned pressure (to allow the container to inflate when it becomes a three-dimensional geometric body) each of these two clamping jaws ( 3 ) on the faces of larger size of the initial container.
  • a drive mode such as a clamp cylinder or linear cylinder or turn ⁇ to grip and block
  • the hatch ( 10 ) which is optional, driven by a linear or rotating cylinder: is separated from the machine and, immediately, two are activated (one for each lateral side perimeter of the square container to be transformed in 3D) impact bodies ( 6 ) ⁇ which can be chosen, for example, from the following options: a double set (one impact body and a closing jaw, for each corner of the initial container), triple (one impact body and two closing jaws) to the sides, for each lateral side perimeter of the initial container) or quadruple (two impact bodies connected by a clamp cylinder and two clamping jaws on the sides) by means of a displacement mode such as a linear or rotating cylinder ⁇ also, in this case, the impact bodies are to be positioned in parallel (one above and the other below two parallel perimeter lateral sides of an initial square container with four corners) ⁇ , in order to collide each of the two impact bodies, in this case, in the middle of one of the perimeter lateral sides of the initial container): generating, on one hand, four flaps (triangular bodies)
  • four closing jaws ( 8 ) [one for each flap or triangular body] are operated by a displacement mode such as, for example, a linear or rotating cylinder, in which they are also positioned or located in parallel to the side faces of the impact body ( 6 ): in order to come into contact with the flaps generated and join the side faces of the impact body ( 6 ), and at the same time fixing/blocking the flap and eject the content packaged inside such as for example liquid/pasty or/and air/gas, since these are crushed when caught between the impact body and the closing jaw.
  • a displacement mode such as, for example, a linear or rotating cylinder, in which they are also positioned or located in parallel to the side faces of the impact body ( 6 ): in order to come into contact with the flaps generated and join the side faces of the impact body ( 6 ), and at the same time fixing/blocking the flap and eject the content packaged inside such as for example liquid/pasty or/and air/gas, since these are crushed when caught between the impact body and the closing
  • the two flaps or triangular bodies generated on the face or the bottom of the container, on the left and right.
  • the welding line that may or may not be made before folding the flap will facilitate, especially in the case of the device [ c ]—that precisely the flap is folded or bent over this welding line ( 38 a ) or just the area of intersection between the last welding line ( 38 a ) and the rest of the flap or triangular body, as well as to facilitate the tearing of the flap or triangular body by the edge generated by bending or folding the flap over itself, mainly because it has been sealed twice: the first, with the welding line ( 38 a ) before folding or folding the flap and, the second, with the line of welding of the edge ( 38 bc ) made after bending or folding the flap or triangular body.
  • any of the welding lines can have the millimeters (1; 2; 3; 4; 5; 6; 7; 8; 9; 10 or more) required, both in width and in length.
  • each flap will fold or fold over itself at least once [ FIG. 1, 2 and 3 ( 42 , 43 , 46 ); FIG. 4 ( 38 a ) ( 16 , 44 , 45 )].
  • the first seal ( 38 ae ) of the flap/triangular body (could also not have been made) and the closing jaw ( 8 ) is positioned next to the impact body ( 6 ), at least one stylus ( 46 a ) ⁇ driven by a displacement mode like that of a linear cylinder ( 9 ) and which in this case is also fixed inside the closing jaw ( 8 ) ⁇ is going to advance forward the distance that is so as to be inserted into the cavity ( 42 b ) and, at the same time, also introduce into the cavity a section of the flap or triangular body: obtaining the folding or bending at least once on itself of at least a section of at least two sections of at least one flap/triangular body (or at least one section of at least two sections of at least one flap or triangular body).
  • the stylus ( 46 a ) returns to the starting position and, immediately, at least one welding system or heat source is activated (driven by a displacement mode such as that of a linear cylinder ( 9 ) or rotating and that, in this case, are fixed inside the impact body ( 6 ) above and below the folded flap ⁇ , but this case two will be fixed: the one above ( 39 ad ), positioned more outwardly, will seal at least section (preferably, in the entire transverse area of the flap/triangular body) of a rectilinear welding line (although it could be, for example, semicircular, diagonal or oblique) and, preferably, parallel [although they could be one or more perpendiculars, and at the desired distance) to the edge generated when the flap (or triangular body) has been folded and the bottom one ( 39 bc ), which, being positioned more inwards, will seal at least section (preferably, in the entire transversal area of the flap/triangular body) of a rectilinear welding line (
  • At least one gate ( 43 b ) that will be opened (operated by means of a displacement mode such as, for example, a linear cylinder ( 9 ) or a rotating cylinder ( 16 )), and can also be fixed both inside as on the outside of the impact body or/and the closing jaw ( 6 ) ⁇ and at least one stylus ( 46 a ) ⁇ operated by a displacement mode like that of a linear cylinder ( 9 ), and furthermore it can be fixed inside both the closing jaw ( 8 ) and the impact body ( 6 ) ⁇ , in this case, in horizontal position ( 46 a FIG.
  • a displacement mode such as, for example, a linear cylinder ( 9 ) or a rotating cylinder ( 16 )
  • the stylus ( 46 a ) returns to the starting position and, immediately, at least one welding system or heat source is activated [ FIG 2 and 3 ( 39 ac , 39 ad )] ⁇ operated by a displacement mode as that of a linear ( 9 ) or rotating cylinder that can be fixed above or/and below the folded flap and both in the impact body ( 6 ) and in the closing jaw ( 8 ): in order to seal at least section of the edge generated by folding or folding over the flap ( 39 ac ), or/and, at least sealing ( 39 ad ) at least once the section (preferably, in the entire transverse area) of the area or line contiguous to the edge (c) with a rectilinear welding line (although it could be, for example, semicircular, diagonal or oblique) and, preferably, parallel (although they could be, for example, one or more perpendiculars and at the desired distance).
  • a displacement mode as that of a linear ( 9 ) or rotating cylinder that can be fixed
  • At least a first seal ( 2 a, 38 a ) of the triangular flap/body may also not have been made) in at least section of the transverse or intersecting zone or line between the flap and the container body, and the closing jaw ( 8 ) being positioned next to the impact body ( 6 ): the closing jaw ( 8 ) will return to the starting point in order to free space so that the flap can be folded.
  • the triangular flap/body that remains upright next to the side face of the impact body ( 6 ), will be displaced downward, to make the flap fold in at least two sections, by a push mode such as for example: that of a rotating rod ( 45 b ) that is to rotate ( 16 ) downward and toward the side of the flap, preferably 180 degrees; or that of an inclined stylus ( 44 b ): which will move from top to bottom, preferably at an angle of 60 degrees. Both are driven by means of a displacement mode, such as, for example, that of at least one linear cylinder ( 9 ) or one of rotation ( 16 ).
  • the welding line ( 2 a ) that is made before folding the flap will facilitate the flap to be folded or bent above just this welding line ( 38 a ) or just the area intersecting between the last welding line ( 38 a ) and the rest of the flap or triangular body, as well as later facilitate the tearing of the flap or triangular body by the edge generated by bending or folding on itself the flap, due mainly to that it has been sealed twice: first, with the welding line ( 38 a ) before folding or folding the flap and, second, with the welding line of the edge ( 38 bc ) made after folding or folded the flap or triangular body.
  • the closing jaw ( 8 ) will move forward until it makes contact with the flap and joins the impact body ( 6 ): to seal ( 38 a ) the folded flap, on one or both of its sides (a, b), by at least one section of at least one rectilinear welding line (can also be, for example, semicircular, diagonal or oblique) in at least one section of the flap folded, preferably, in the entire transverse area and also in the entire area or line of the edge ( 38 bc ), or/and, in the area or line contiguous with the edge ( 38 a ) with a rectilinear welding line (although it could be, for example, semicircular, diagonal or oblique) and, preferably, parallel (although they could be at least one or many more perpendicular welding lines) and at the desired distance.
  • rectilinear welding line can also be, for example, semicircular, diagonal or oblique
  • the flap can either return to the starting point by rotating ( 16 ) up 180 degrees, or, remain positioned at the bottom (having rotated 180 degrees) during the process of sealing the flap/triangular body that is folded or folded at least once on itself in at least two sections, in order to facilitate sealing, but that once the sealing is finished and the closing jaw ( 8 ) has returned to the starting point: the rotating rod ( 45 ) will return to the starting point when climbing 180 degrees.
  • the inclined Stylus ( 44 ) it can be inserted inwardly, before the closing jaw ( 8 ) is actuated to join the flap and the impact body ( 6 ); or else, it can be put inside the impact body ( 6 ) inside-in this case-of the impact body ( 6 ), in a synchronized and at the same time, just as it moves forward ⁇ until making contact with the flap and the impact body ( 6 ) ⁇ the closing jaw ( 8 ) with which the triangular flap/body that has been folded or folded at least once is to be sealed at least once.
  • the flap on the left or on the right is going to fold or fold at least once on itself [ FIG. 1, 2 and 3 ( 39 a/b/ac/ad/ae/be 46 , 43 ); FIG. 4 ( 39 a, 39 bc , 44 , 45 )] just on the same top line (at the end of welding) of the welding line of the intersection area between the flap and the rest of the container.
  • FIG. 1, 2 and 3 39 a/b/ac/ad/ae/be 46 , 43
  • FIG. 4 39 a, 39 bc , 44 , 45
  • three different ways of folding or folding over the flap or triangular body are shown below.
  • At least one stylus ( 46 a ) ⁇ operated by a displacement mode like that of a linear cylinder ( 9 ) and that, in this case, is fixed inside the closing jaw ( 8 ) ⁇ is going to move forward the distance that is wanted in order to enter inside the cavity ( 42 b ) and, at the same time, introduced towards the cavity at least section of the flap (or triangular body) to fold or bend over itself two sections.
  • the stylus ( 46 a ) returns to the starting position and, immediately, at least one welding system or heat source is activated (driven by a displacement mode such as that of a linear cylinder ( 9 ) or and in addition, in this case, it is fixed inside the impact body ( 6 ) above ( 39 ad ) of the folded flap ⁇ , which will be positioned just above the edge (c) generated when bending or folding over itself the triangular flap/body, in such a way that it will seal at least section (preferably, in the entire transverse area of the flap/triangular body) of a rectilinear welding line (although it could be, for example, semicircular , diagonal or oblique) on the same edge (generated when the flap is folded or folded), or it can also be on the same edge (c) and in turn on at least section of the area or line contiguous with the edge (d).
  • a displacement mode such as that of a linear cylinder ( 9 ) or and in addition, in this case, it is fixed inside the impact body
  • the gate ( 43 b ) will open (operated by a displacement mode such as, for example, a linear cylinder ( 9 ) or a rotating cylinder ( 16 )), and it can also be fixed both inside as on the outside of the impact body or/and of the closing jaw ( 6 ) ⁇ moving, in this case, 90 degrees of backward rotation, for at least one stylus ( 46 a ) ⁇ operated by a displacement like that of a linear cylinder ( 9 ) ⁇ which in this case is also fixed inside the lateral face of the closing jaw ( 8 ): it will advance forward the desired distance so as to be introduced inside the cavity ( 42 b ) and, at the same time, also introduce into the cavity at least one section of two folded sections of the flap/triangular body ( 36 ).
  • a displacement mode such as, for example, a linear cylinder ( 9 ) or a rotating cylinder ( 16 )
  • the stylus ( 46 a ) returns to the initial position and, immediately, at least one welding system or heat source is activated (driven by a displacement mode such as that of a linear cylinder ( 9 ) or turn and that, in this case, is fixed above ( 39 ad ) the interior of the cavity of the impact body ( 6 ) of the flap folded or folded on itself ⁇ , which will be positioned above the edge (c) generated by folding over the flap/triangular body ( 36 ), in such a way that it will seal at least section (preferably, the entire transverse area of the flap/triangular body) of a rectilinear welding line (it can be, for example: semicircular, diagonal or oblique) on the same edge (c), although it can also be sealed, in turn, on at least section of the area or line contiguous with the edge (c).
  • the gate ( 43 b ) will close when turning upwards to the right 90 degrees.
  • At least one locking system mode will have to be attached to the impact body ( 6 ) for example a Hook or Pin, in order to grasp—before being bent—at least section of the area or transversal line of the flap or triangular body (at the desired height) so that later on, it can be folded just by the line or area where at least one Hook or Pin is blocking the flap. If the hook or pin is not used, the flap cannot be folded on itself, since the flap will fold over the line of intersection between the flap and the body of the package and, therefore, an edge is not going to be generated.
  • the flap that is located next to and on the side of the impact body ( 6 ): will be blocked or grabbed (at the height desired by at least one Hook or Pin ⁇ powered by a displacement mode, such as, for example, the one of at least one linear cylinder ( 9 ) or of a rotation cylinder in the zone or line of the flap/triangular body that is desired, preferably, above the line of intersection between the flap and the body of the container.
  • a displacement mode such as, for example, the one of at least one linear cylinder ( 9 ) or of a rotation cylinder in the zone or line of the flap/triangular body that is desired, preferably, above the line of intersection between the flap and the body of the container.
  • the flap/triangular body will be displaced downwards, so as to cause the flap to fold in at least two sections, by a push mode such as: a rotating rod ( 45 b ) which is to rotate ( 16 ) downward and to the side of the flap, preferably 180 degrees; or an inclined stylus ( 44 b ) to be moved from top to bottom, preferably at an angle of 60 degrees.
  • a push mode such as: a rotating rod ( 45 b ) which is to rotate ( 16 ) downward and to the side of the flap, preferably 180 degrees; or an inclined stylus ( 44 b ) to be moved from top to bottom, preferably at an angle of 60 degrees.
  • a displacement mode such as, for example, that of at least one linear cylinder ( 9 ) or one of rotation ( 16 ).
  • the closing jaw ( 8 ) will advance forward, until it makes contact with the flap and joins the impact body ( 6 ): in order to seal ( 38 a ) the folded flap, one or both of the sides (a, b), by means of at least a portion of at least one rectilinear welding line (may also be, for example, semicircular, diagonal or oblique) in at least section of the folded flap, preferably in the entire cross-sectional area and also in the entire area or line of the edge ( 38 bc ), or/and, in the area or line contiguous with the edge ( 38 a ) with a rectilinear welding line (although it could be example, semicircular, diagonal or oblique) and, preferably, parallel (although they could be at least one or many more perpendicular welding lines) and the desired distance.
  • rectilinear welding line may also be, for example, semicircular, diagonal or oblique in at least section of the folded flap, preferably in the entire cross-sectional area and
  • FIG. 9 it is only going to be sealed with a rectilinear welding line: just the whole of the edge generated when the flap is folded on itself, in which section is also sealed at the same time of the zone or line contiguous to the edge (c).
  • the rotating rod ( 45 ) once rotated ( 16 ) down 180 degrees to fold on itself the flap can, or return to the starting point by rotating ( 16 ) upwards 180 degrees, or, remain positioned in the lower section (having rotated 180 degrees) during the process of sealing the flap/triangular body that is folded or folded at least once on itself in at least two sections, in order to facilitate the sealed, but once the sealing is completed and the closing jaw ( 8 ) has returned to the starting point: the rotating rod ( 45 ) will return to the starting point when climbing 180 degrees.
  • the inclined Stylus( 44 ) it can be inserted inwardly before the closing jaw ( 8 ) is actuated to join the flap and the impact body ( 6 ); or else, it can be inserted into the impact body ( 6 ), in a synchronized manner and at the same time, just as it moves forward (until it makes contact with the flap and the impact body ( 6 ) ⁇ the closing clamp ( 8 ) with which the triangular flap/body that has been folded at least once will be sealed at least once.
  • the closing jaws ( 8 ) and the impact body ( 6 ) [also they can do it at the same time the clamping jaws ( 3 ), or if not later] they will return or move to the starting point (or start) releasing the container, in order to allow the folded flap (or triangular body) to be placed (adhere without adhesives) continuously over time: together some of the adjacent sides of the flap or triangular body, in which letter [a] expresses the face that is on the side(s) of the container already transformed into 3D and, letter [b], expresses the face that is up or down (supporting face) of the container already transformed in 3D.
  • the cylinder(s) (for example: a clamp cylinder or linear or rotating cylinders) that drive the clamping jaws ( 3 ) ⁇ since there may be one, two, three or more of four clamps ( 3 ) or sets of clamping jaws ( 3 ) ⁇ can, in turn, be fixed to one or more rotating or linear cylinders: in order to be able to move the 3D transformed container sideways, as well as finally be able to deposit the container, for example, on a transformer belt that is located next to the transformer of initial packaging in 3D containers.
  • a clamp cylinder or linear or rotating cylinders that drive the clamping jaws ( 3 ) ⁇ since there may be one, two, three or more of four clamps ( 3 ) or sets of clamping jaws ( 3 ) ⁇ can, in turn, be fixed to one or more rotating or linear cylinders: in order to be able to move the 3D transformed container sideways, as well as finally be able to deposit the container, for example, on a transformer belt that is located next to the
  • the closing jaw ( 8 ) is operated by a displacement mode such as, for example, a linear or rotating cylinder, in which, in addition, these are positioned or located parallel to the sides of the impact body ( 6 ): in order to come into contact with the generated flap (which is located in the middle) and join the side faces of the impact body ( 6 ), and at the same time to fix/block the flap and eject the contents packaged inside such as for example liquid/pasty or/and air/gas, since these are crushed when caught between the impact body and the closing jaw.
  • a displacement mode such as, for example, a linear or rotating cylinder, in which, in addition, these are positioned or located parallel to the sides of the impact body ( 6 ): in order to come into contact with the generated flap (which is located in the middle) and join the side faces of the impact body ( 6 ), and at the same time to fix/block the flap and eject the contents packaged inside such as for example liquid/pasty or/and air/gas, since these are crushed when caught between the impact
  • Second Step Instantly, the flap or triangular body ( 5 ) is going to be sealed ( 2 af , 2 bf ), for example, with a resistance ( 40 a, 40 b ) or ultrasounds and then cut with a blade ( 41 a, 41 b ); in which in addition any of them may be fixed on the side face of the impact body ( 6 ) or/and on the lateral face of the closing jaw ( 8 ).
  • a strip ( 37 ) is obtained in this way, because the triangular flap/body is to be sealed and cut, mainly, with a rectilinear welding line (although it can be, for example, diagonal or semicircular) crosswise in the area of intersection between the flap and the body of the container and, also, two vertical rectilinear welding lines (although it may be, for example, diagonal or semicircular), parallel and separated from each other as far as possible, at least, just the weld line ( 1 ) that runs along the longitudinal half and on one of the faces of the flap or triangular body ⁇ that converge and are joined to the transversal welding line forming a 90 degree angle .
  • a rectilinear welding line although it can be, for example, diagonal or semicircular crosswise in the area of intersection between the flap and the body of the container and, also, two vertical rectilinear welding lines (although it may be, for example, diagonal or semicircular), parallel and separated from each other as far as possible, at least, just the weld
  • any of the welding lines can have the millimeters desired: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or more.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Packages (AREA)
  • Making Paper Articles (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Cartons (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
US15/750,146 2015-08-04 2016-08-04 Method, machine and devices for producing flexible 3d packaging, by means of folding a flap on itself Pending US20190161218A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ES201531164 2015-08-04
ESP201531164 2015-08-04
PCT/ES2016/000085 WO2017021570A1 (es) 2015-08-04 2016-08-04 Procedimiento, máquina y dispositivos para fabricar envases flexibles en 3d, por medio de plegar la solapa sobre sí misma

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JP (2) JP2018521922A (ru)
KR (1) KR20180064376A (ru)
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AU (2) AU2016303131A1 (ru)
BR (1) BR112018002358A2 (ru)
CA (1) CA2994618A1 (ru)
CO (1) CO2018002430A2 (ru)
EA (1) EA201890459A1 (ru)
IL (1) IL257348A (ru)
MA (1) MA43847A (ru)
MX (1) MX2018001475A (ru)
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US20220234775A1 (en) * 2017-12-04 2022-07-28 Guillermo Lopez-Arostegui Saenz Procedure, models of flexible containers and machine to generate and seal flexible container flaps

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TWI755173B (zh) * 2020-07-28 2022-02-11 盟立自動化股份有限公司 取物方法、取物設備、開袋設備及取物系統
CN114639298B (zh) * 2020-12-15 2024-01-16 苏州市伯太数字科技有限公司 一种可进行模块化组合的制造业小型教育设备
CN114368506B (zh) * 2022-02-22 2022-08-02 深圳市华耀智能装备科技有限公司 全自动纱布包装机
CN117342086B (zh) * 2023-12-04 2024-02-27 苏州慧胜自动化设备有限公司 真空包装四边同步折角转运装置及方法

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KR20180064376A (ko) 2018-06-14
MA43847A (fr) 2021-05-05
WO2017021570A1 (es) 2017-02-09
EP3403939A1 (en) 2018-11-21
MX2018001475A (es) 2019-06-06
JP2023024451A (ja) 2023-02-16
PH12018550010A1 (en) 2018-07-09
BR112018002358A2 (pt) 2018-09-25
AU2021282435A1 (en) 2021-12-23
AU2016303131A1 (en) 2018-03-29
ZA201801467B (en) 2018-12-19
CN108290643A (zh) 2018-07-17
IL257348A (en) 2018-03-29
EP3403939A4 (en) 2021-05-05
JP2018521922A (ja) 2018-08-09
CO2018002430A2 (es) 2018-07-31
EA201890459A1 (ru) 2019-10-31

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