EP3730426B1 - Paper packaging for plants, device for manufacture and a manufacturing method of said packaging - Google Patents

Paper packaging for plants, device for manufacture and a manufacturing method of said packaging Download PDF

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Publication number
EP3730426B1
EP3730426B1 EP20169808.1A EP20169808A EP3730426B1 EP 3730426 B1 EP3730426 B1 EP 3730426B1 EP 20169808 A EP20169808 A EP 20169808A EP 3730426 B1 EP3730426 B1 EP 3730426B1
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EP
European Patent Office
Prior art keywords
packaging
paper
sheet
edge
leg
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20169808.1A
Other languages
German (de)
French (fr)
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EP3730426A1 (en
Inventor
Miro Bergnach
Vitomirka Bergnach
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Paperflex d o o
Original Assignee
Paperflex d o o
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Publication date
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Publication of EP3730426A1 publication Critical patent/EP3730426A1/en
Application granted granted Critical
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/50Containers, packaging elements or packages, specially adapted for particular articles or materials for living organisms, articles or materials sensitive to changes of environment or atmospheric conditions, e.g. land animals, birds, fish, water plants, non-aquatic plants, flower bulbs, cut flowers or foliage
    • B65D85/52Containers, packaging elements or packages, specially adapted for particular articles or materials for living organisms, articles or materials sensitive to changes of environment or atmospheric conditions, e.g. land animals, birds, fish, water plants, non-aquatic plants, flower bulbs, cut flowers or foliage for living plants; for growing bulbs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/04Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
    • B26D1/045Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member for thin material, e.g. for sheets, strips or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/0006Means for guiding the cutter
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01Means for holding or positioning work
    • B26D7/015Means for holding or positioning work for sheet material or piles of sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2614Means for mounting the cutting member
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING 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
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00Making flexible containers, e.g. envelopes or bags
    • B31B70/14Cutting, e.g. perforating, punching, slitting or trimming
    • B31B70/16Cutting webs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING 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
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00Making flexible containers, e.g. envelopes or bags
    • B31B70/14Cutting, e.g. perforating, punching, slitting or trimming
    • B31B70/20Cutting sheets or blanks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING 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
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00Making flexible containers, e.g. envelopes or bags
    • B31B70/60Uniting opposed surfaces or edges; Taping
    • B31B70/62Uniting opposed surfaces or edges; Taping by adhesives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING 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
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00Making flexible containers, e.g. envelopes or bags
    • B31B70/99Making flexible containers, e.g. envelopes or bags using hand tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D31/00Bags or like containers made of paper and having structural provision for thickness of contents
    • B65D31/16Bags or like containers made of paper and having structural provision for thickness of contents of special shape
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/50Containers, packaging elements or packages, specially adapted for particular articles or materials for living organisms, articles or materials sensitive to changes of environment or atmospheric conditions, e.g. land animals, birds, fish, water plants, non-aquatic plants, flower bulbs, cut flowers or foliage
    • B65D85/505Containers, packaging elements or packages, specially adapted for particular articles or materials for living organisms, articles or materials sensitive to changes of environment or atmospheric conditions, e.g. land animals, birds, fish, water plants, non-aquatic plants, flower bulbs, cut flowers or foliage for cut flowers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING 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
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2160/00Shape of flexible containers
    • B31B2160/30Shape of flexible containers pointed or tapered
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING 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
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2247/00Manual operations for making bags or boxes

Definitions

  • the present invention belongs to the field of products made of paper, more precisely to the field of flower and plant packaging.
  • the invention relates to a paper packaging for plants.
  • Floriculture has from its beginnings in the 19th century developed into a dynamic, global and fast growing industry. It includes growers, distributers and sellers, which whome the buyers are mostly in contact. When a plant or flowers are purchased, they often have to be wrapped, either to protect the plants from environmental conditions, either to make them look as a gift. As florists sell a wide variety of plants, namely individual cut flowers, boquets, potted plants and plants without pots, packaging has to be adjusted accordingly. Typically, a larger sheet of paper is used in order to wrap any kind of purchased plants. Such solutions are described in documents US5666784 and US2008264552 .
  • the technical problem which is solved by the present invention, is thus design of a simple paper packaging into which a plant in a pot can be insterted and protected against environmental conditions, while the packaging itself will also function as a decoration.
  • the aim of the invention is also the design of a suitable device for manufacturing said packaging, as known solutions differ significantly in their design.
  • the invention has to be suitable for different sizes of potted plants and for different types of paper.
  • Document US6796104 discloses a packaging system for plants, which comprises a protective and decorative part that can be separated after the protective part has done its role.
  • Patent application US2005000158 describes a method of plant packaging, which includes tubularly shaped packaging attached with sticky material.
  • Document DE2514093 describes a method for manufacturing conical packaging for flowers, which are open on both ends, wherein the packaging is made from two parts of translucent plastic foil heat-welded together. The shape of this packaging differs from the present invention.
  • Document KR20170057475 discloses a device for manufacturing a sheet for flower packaging.
  • a mesh sheet is taken from a feeder and transferred to a binding device with a net made by a special device.
  • the reinforcement fibers and mesh are joined into a structure, which is then fixed and dried. After that the sheet may be cut to the desired dimensions.
  • Utility design CN203623034 disloses equipment for manufacturing paper for wrapping fresh flowers.
  • the equipment comprises an expansion device, a frame and shape cutter below the paper, whereas the frame is located above the paper. Obtained products have the shape of an upside-down turned umbrella, while its bottom part is in the shape of a cup.
  • the equipment enables reliable and fast manufacturing of packaging for fresh cut flowers.
  • Patent application KR101471812 describes a solution for packaging flowers, according to which a two-part packaging from synthetic materials is placed in a manner to receive a flower boquet or a plant pot. After that both parts of the packaging are joined using a device for packaging, so that they tightly enclose the flowers or the plant.
  • the paper packaging according to the invention is designed in the shape of a truncated cone arranged to receive a plant with or without a pot, wherein the paper packaging is made from a basic sheet in the shape of an isosceles trapezoid with base sides of different lengths and two legs of same lengths, wherein the final packaging is obtained in the following manner:
  • the packaging approximately shaped as a truncated cone is obtained, into which a plant with or without a pot can be inserted.
  • Dimensions of individual base sides and legs are arbitrary and can be in different combinations, so that various sizes of packaging is obtained in order to pack plants or potted plants of different sizes.
  • the paper material used for the said packaging may be any suitable for floral industry, wherein paper from pure cellulose resistant to moisture is particularly useful.
  • the unfolded base of the packaging is prepared by cutting a larger sheet of material, preferably with a device that enables cutting under different angles. The cut shape is then folded along the middle into a right-angled trapezoid. In case the shape is unfolded, the basis has a shape of an isosceles trapezoid.
  • Glue is applied to one of the trapezoid legs and then both legs are glued to each other. Thereby a packaging is created, into which a plant or a potted plant can be inserted. Cutting into the right-angled trapezoid as well as gluing may be performed manually, but the preferred option is to use suitable devices, which allow cutting into desired shapes and automatic application of glue on appropriate surfaces.
  • the manufacturing method of the said paper packaging thus includes the following steps:
  • the paper packaging for plants according to the invention enables simplified packaging of potted plants, wherein the manufaturing process for obtaining the packaging is simpler and more economical (efficient) than already known processes, which are complicated and multi-step methods.
  • Obtained packaging is used so that it is opened and a potted plant or a plant is insterted into the packaging.
  • the dimension of the packaging depends on the diameter of the pot and on the height of the plant. In case the packaging is too high, it can be cut and thus shortened. This is particularly useful for short plants with wide pots.
  • FIGS 1 to 5 show embodiments not according to the invention, which are included for illustration purposes only to better understand the preparation of the paper packaging according to the invention.
  • the device for manufacturing the paper packaging for plants in addition to drive units for individual electronically controlled mechanic drives comprises:
  • the holder 1 has two rows of side carriers 11 mountings 111 for two pairs of six tubes 10 for rolls of papers 10a, the latter can be manually spread onto the table 2.
  • the upper plate 20 of the table 2 is divided into two equally sized parts 20a and 20b with grooves for cutting preferably twelve layers of paper 10a. Between the parts 20a and 20b is a narrow part 20c.
  • the upper plate 20 of the table 2 has oblique grooves D4, D3, D2 and D1 on the part 20a and oblique grooves D4', D3', D2' and D1' on the second part 20b of the table 2.
  • the paper 10a on the tubes 10 is mounted into the moutings on the side carriers 11, so that the paper 10a is rolled downwards and lead to the table 2 on the bottom part of the tube 10. This ensures equal spreading and flattening the paper on its way to table 2, where a pair of wheels 211a is mounted via a handle 211, fixed into a carrier 21.
  • the bottom part 211b of the carrier 21 is screwed in the corner of the table 2 ( Figure 1a ).
  • a bar 23 is provided, the bar being installed via a first hinge 23a and wherein the bar 23 has a longitudinal carrier 23b with a groove for moving a handle 23d with a blade.
  • the handle 23c At the end of the bar 23 is the handle 23c for raising the bar 23 upwards and/or left or right, wherein this movement is enabled by the hinge 23a.
  • the first bar with the blade enables cutting the papers along grooves D1, D2, D3 and D4.
  • a second bar 23' is fixed using a second hinge 23c', the said second bar having a longitudinal holder with a groove for moving the bar with the blade.
  • a handle 23c At the end of the bar 23 is a handle 23c, with which the bar 23 can be lifted upwards and/or left or right, which is enabled with the hinge 23a.
  • the second bar 23' with the blade enables cutting papers along grooves D1', D2', D3' and D4'.
  • a restrictor 24 On the right edge of the table 2 a restrictor 24 is attached, wherein the said restrictor 24 may be moved along the groove 24a and may be attached at a required place with a screw 24b ( Figure 2b ).
  • the table 3 for cutting the basic paper sheet A has on a carrier 31a fixed upper plate 31. Perpendicularly to the plate 31 is a restrictor 32, which is in the vicinity of a knife 34.
  • the knife 34 with the blade 34a is fixed into a hinge 341, which enables raising and lowering the blade 34a along the edge of the upper plate 31 of the table 3.
  • the end of the blade 34a is provided with a handle 34b for easier manipulation with the knife 34.
  • two distancing legs 33a are mounted, which are via a mechanism 33c movable left and/or right from the edge of the table 3.
  • the legs 33a are perpendicularly fixed into the rectangular plate 31.
  • the first restrictor 32 is parallel to the plate 33b of the second restrictor 33, both of which form an opening, through which the cut-off parts of the sheet A fall into a reservoir.
  • the upper plate 31 of the table is equipped with a longer rod 35a attached with screws 35a' and a cross-like part 35b of the accessory 35, the cross-like part is attached with a screw 35b'.
  • the cross-like part 35b is placed and attached to the plate 31 so that one leg is parallel to one side of the plate 31, while the other leg is parallel to the adjoining side, which is perpendicular to the first side.
  • the longer rod 35a is rectangularly shaped with a rectangular cutout and is with regards to the cross-like part indented for an angle ⁇ , which may be from 110° and 120°, preferably 115°.
  • the accessory 35 enables cutting of the first triangle A' and then the second triangle A" from the paper sheet A.
  • the gluing mechanism for gluing the edges of the paper basis into the packaging is shown in figures 5a, 5b and 5c .
  • the table 4 is a regular table placed in proximity of the table 5, where the main part of the gluing mechanism 6 is installed.
  • the end of the table 5 is equipped with an inclined table 8, where all finished products are accumulated.
  • the table 5 has on its upper part uniformly distributed five transport belts 5a.
  • On the outer edge of the table 5 is a mechanism comprising a bottom transporter 61 of sheets A2, wherein the right part of the transport is provided with a cylinder 61a below the mechanism and cylinder 61c above the mechanism.
  • the transporter 61 On the other side the transporter 61 has a cylinder 61b and above it a cylinder 61d.
  • a drive band 62a is installed on the cylinder 61b, wherein the said drive band is rotated with the drive motor axle 62.
  • the first part of the table 5 comprises the mechanism for applying glue along the upper part of the sheet A2.
  • the blades 7a and 7b are made of a spring element and designed so that the blade 7a is turned upwards and the blade 7b downwards.
  • the finished product is freely led along the inclined table 8 to a simple carrier 8a so that the blades 7a and 7b open the product and place the product on the carrier.
  • Next products are one by one opened with the blades 7a and 7b and placed on the previous product on the carrier.
  • the set of sheets A2 is stacked into a set of products. This enables easy counting of produced packages and packaging into boxes for delivery.
  • the paper packaging for plants according to the invention is designed as a basic sheet A shaped as a right-angled trapezoid with base sides a1 and a2 having different lengths and two side legs b1 and b2 having the same length.
  • the basic sheet A is cut on the table 2 along the oblique grooves marked with D and D'.
  • D and D' oblique grooves marked with D and D'.
  • common sides are on the line of the cut made by the bar 23. This creates an edge A3 with a width of approximately two centimetres.
  • the width of the edge A3 depends on the width of the bar edge and knife in the middle of the bar.
  • the axis Y is moved for the width of the edge A3, into the left for the left set and into the right for the right set.
  • the outer edge with the leg b1 is manually folded to the edge of the bar 23.
  • the same is performed for the second set of basic sheets A, wherein both sets are pushed with a ruler along the fold line from one end to another, in order to create the fold d1.
  • Thus prepared sets of sheets A are moved to table 3.
  • Lengths of base sides and legs are arbitrary and based on the required dimensions of the packaging. Preferred dimensions of sides of the packaging are shown in Table 1 below.
  • the fold d1 of the set of sheets A is put on the longer bar 35a of an accessory 35, wherein the beginning of the fold d1 is moved to the edge of the table 3. Because the accessory 35 is inclined at an angle ⁇ , the beginning of the fold d1 is placed on the edge of the restrictor 32, while the remaining part is pushed under the restrictor 32.
  • the handle 34b and lowering the blade 34a of the knife 34 the first triangle A' is cut, thus creating sheet A1 as shown in figure 6c .
  • the whole set of the sheets A1 is moved so that the second triangle A" may be cut, thus creating set of sheets A2.
  • the sheet A2 has a fold d1, bottom double side a4 and bottom single side a5, which is the width of the edge A3'.
  • the set of sheets A2 is moved to the table 4 with the mechanism for gluing the edges of the paper base into the packaging.
  • the paper packaging for plants is designed as a basic sheet A shaped as a right-angled trapezoid with base sides a1 and a2 having different lengths and two side legs b1 and b2 having the same length.
  • the basic sheet A is folded from the beginning fo the edge A3, wherein the folded edge is the side d1; that for the width of the edge A3 the Y-axis is moved to the left or the right; that a first triangle A' is cut in order to obtain sheet A1; that the second triangle A" is cut in order to obtain sheet A2, witht the side d1, bottom double side a4 and bottom single side a5, which is the width of the edge A3'; that the sheet A2 after application of glue onto the edge A3', folding the said edge onto the other side and gluing becomes the final packaging.
  • the glue for gluing may be any suitable glue, preferably starch-based glue suitable for paper and which is environmentally friendly. This glue is also used in food industry.
  • Material for the packaging may be any material suitable for floral industry and it may also have any pattern or perforation for easier removal after use.

Description

    Field of the invention
  • The present invention belongs to the field of products made of paper, more precisely to the field of flower and plant packaging. The invention relates to a paper packaging for plants.
  • Background of the invention and the technical problem
  • Floriculture has from its beginnings in the 19th century developed into a dynamic, global and fast growing industry. It includes growers, distributers and sellers, which whome the buyers are mostly in contact. When a plant or flowers are purchased, they often have to be wrapped, either to protect the plants from environmental conditions, either to make them look as a gift. As florists sell a wide variety of plants, namely individual cut flowers, boquets, potted plants and plants without pots, packaging has to be adjusted accordingly. Typically, a larger sheet of paper is used in order to wrap any kind of purchased plants. Such solutions are described in documents US5666784 and US2008264552 . Document US2005082353 for example discloses pre-prepared sheets for packing flower boquets, wherein the sheet is folded and glued in a particular way. This solution is useful for wrapping cut flowers and boquets, while it is less appropriate for potted plants. Recently different versions of packaging have been developed, mostly in the shape of bags or sheats of varous sizes with regards to potted plants and cut flowers. The problem of these types of packaging is in their manufacture, as they are made from several parts of paper or the material is non-economically used, thereby creating lots of waste.
  • The technical problem, which is solved by the present invention, is thus design of a simple paper packaging into which a plant in a pot can be insterted and protected against environmental conditions, while the packaging itself will also function as a decoration. The aim of the invention is also the design of a suitable device for manufacturing said packaging, as known solutions differ significantly in their design. The invention has to be suitable for different sizes of potted plants and for different types of paper.
  • State of the art
  • Document US6796104 discloses a packaging system for plants, which comprises a protective and decorative part that can be separated after the protective part has done its role. Patent application US2005000158 describes a method of plant packaging, which includes tubularly shaped packaging attached with sticky material. Document DE2514093 describes a method for manufacturing conical packaging for flowers, which are open on both ends, wherein the packaging is made from two parts of translucent plastic foil heat-welded together. The shape of this packaging differs from the present invention.
  • Document KR20170057475 discloses a device for manufacturing a sheet for flower packaging. A mesh sheet is taken from a feeder and transferred to a binding device with a net made by a special device. When the sheet moves in the binding device, the reinforcement fibers and mesh are joined into a structure, which is then fixed and dried. After that the sheet may be cut to the desired dimensions.
  • Utility design CN203623034 disloses equipment for manufacturing paper for wrapping fresh flowers. The equipment comprises an expansion device, a frame and shape cutter below the paper, whereas the frame is located above the paper. Obtained products have the shape of an upside-down turned umbrella, while its bottom part is in the shape of a cup. The equipment enables reliable and fast manufacturing of packaging for fresh cut flowers.
  • Patent application KR101471812 describes a solution for packaging flowers, according to which a two-part packaging from synthetic materials is placed in a manner to receive a flower boquet or a plant pot. After that both parts of the packaging are joined using a device for packaging, so that they tightly enclose the flowers or the plant.
  • Document US 2002/0069614 A1 discloses a package according to the preamble of claim 1.
  • All described solutions are despite their usefulness very complex, which increases the costs of the packaging. As flower industry is widespread and lots of packaging is needed, its price has to be reduced as much as possible. The present invention differs from the state of the art documents in that it ensures simple single-piece packaging produced with less steps and less complex equipment.
  • Description of the solution of the technical problem
  • The technical problem is solved by a packaging according to claim 1, wherein dependent claims define preferred embodiments of the invention.
  • The paper packaging according to the invention is designed in the shape of a truncated cone arranged to receive a plant with or without a pot, wherein the paper packaging is made from a basic sheet in the shape of an isosceles trapezoid with base sides of different lengths and two legs of same lengths, wherein the final packaging is obtained in the following manner:
    • the basic sheet is folded along an axis crossing both base sides so as to form a right-angle trapezoid, the axis being moveable left or right so as to leave an edge, wherein the folded edge forms a short leg of the right-angle trapezoid and the outmost leg of the basic sheet forms a long leg of the right-angle trapezoid; from which
    • a frist triangle is cut off along a cut line crossing the long leg and the corner formed by the longer base side and the folded edge to form a second sheet; from which a second smaller triangle is cut along a cut line crossing the long leg of the right-angle trapezoid and the corner formed by the innermost leg of the basic sheet and the longer base side to obtain a third sheet;
    • the third sheet being formed by, in counter-clockwise order: the folded edge, the shorter base side comprising a double thickness portion and a single thickness portion of the width of the edge, the remaining part of the long leg of the right-angle trapezoid, the cut line of the second triangle, and the remaining part of the cut line of the first triangle; wherein the edge is then provided with glue, folded over the innermost leg of the basic sheet onto the opposite side to be glued onto it so as to form the final packaging.
  • After that the packaging approximately shaped as a truncated cone is obtained, into which a plant with or without a pot can be inserted. Dimensions of individual base sides and legs are arbitrary and can be in different combinations, so that various sizes of packaging is obtained in order to pack plants or potted plants of different sizes. The paper material used for the said packaging may be any suitable for floral industry, wherein paper from pure cellulose resistant to moisture is particularly useful. The unfolded base of the packaging is prepared by cutting a larger sheet of material, preferably with a device that enables cutting under different angles. The cut shape is then folded along the middle into a right-angled trapezoid. In case the shape is unfolded, the basis has a shape of an isosceles trapezoid. Glue is applied to one of the trapezoid legs and then both legs are glued to each other. Thereby a packaging is created, into which a plant or a potted plant can be inserted. Cutting into the right-angled trapezoid as well as gluing may be performed manually, but the preferred option is to use suitable devices, which allow cutting into desired shapes and automatic application of glue on appropriate surfaces.
  • For illustration purposes only, the manufacturing method of the said paper packaging thus includes the following steps:
    1. a) Cutting several layers of paper or any other suitable material;
    2. b) Cutting with a bar with knife in the selected groove in the upper part of the table to obtain paper basis attached with said bar, which covers the edge of the equilateral trapezoid on the left and right side of the bar;
    3. c) Manual folding of the free edge of the first trapezoid and pressing with a regular ruler;
    4. d) Manual folding of the free edge of the second trapezoid and presing with a regular ruler;
    5. e) Releasing the bar to obtain two groups of trapezoid shaped sheets having the edge equal to the half of the bar;
    6. f) Transfer of the first group of sheets into the cutting table, where the upper part of the sheet is obliquely cut;
    7. g) Moving the equipment and cutting the part with a free straight edge;
    8. h) Transfer of the cut group of papers to the table with a gluing mechanism;
    9. i) Application of glue to the pre-prepared bottom straight edge of the paper sheet with trapezoid shape;
    10. j) Folding the sheet in a manner that covers the glue applied in step i);
    11. k) Opening the upper aperture of the packaging obtained after gluing, the packaging being stacked onto the previously prepared packaging;
    12. l) Stacking manufactured packagings one onto another by opening the upper aperture as described in step k).
  • The paper packaging for plants according to the invention enables simplified packaging of potted plants, wherein the manufaturing process for obtaining the packaging is simpler and more economical (efficient) than already known processes, which are complicated and multi-step methods. Obtained packaging is used so that it is opened and a potted plant or a plant is insterted into the packaging. The dimension of the packaging depends on the diameter of the pot and on the height of the plant. In case the packaging is too high, it can be cut and thus shortened. This is particularly useful for short plants with wide pots.
  • The invention will be described in further detail based on exemplary embodiments and figures, which show:
  • Figure 1
    Holder for rolls of paper with a table for cutting according to the invention
    Figure 1a
    Pushing bar with wheels for straightening multiple layers of paper
    Figure 2
    Ground plan of the holder for rolls of paper with the table for cutting
    Figure 2a
    Ruler with the cutting knife
    Figure 3
    Schematic view of the holder for rolls of paper with the table for cutting
    Figure 4a
    Table for cutting the base paper sheet A in the shape of a trapezoid
    Figure 4b
    Side view of the table for cutting the base paper sheet A in the shape of a trapezoid
    Figure 4c
    Elevation view of the table for cutting the base paper sheet A in the shape of a trapezoid
    Figure 5a
    Mechanism for gluing edges of the paper basis into the packaging
    Figure 5b
    Ground plan of the mechanism for gluing edges of the paper basis into the packaging
    Figure 5c
    Side view of the mechanism for gluing edges of the paper basis into the packaging
    Figure 6a
    Shape of the paper basis for the packaging according to the invention
    Figure 6b
    Folded paper packaging
    Figure 6c
    Paper packaging after the first cut
    Figure 6d
    Paper packaging after the second cut
  • Figures 1 to 5 show embodiments not according to the invention, which are included for illustration purposes only to better understand the preparation of the paper packaging according to the invention.
  • The device for manufacturing the paper packaging for plants in addition to drive units for individual electronically controlled mechanic drives comprises:
    • a holder (1) for rolls of paper with a cutting table;
    • a table (3) for cutting the paper sheet basis; and
    • a mechanism (6) for gluing edges of the paper basis into the packaging with an outlet handle for sorting finished packaging.
  • The holder 1 has two rows of side carriers 11 mountings 111 for two pairs of six tubes 10 for rolls of papers 10a, the latter can be manually spread onto the table 2. The upper plate 20 of the table 2 is divided into two equally sized parts 20a and 20b with grooves for cutting preferably twelve layers of paper 10a. Between the parts 20a and 20b is a narrow part 20c. As shown in figure 2 the upper plate 20 of the table 2 has oblique grooves D4, D3, D2 and D1 on the part 20a and oblique grooves D4', D3', D2' and D1' on the second part 20b of the table 2. The paper 10a on the tubes 10 is mounted into the moutings on the side carriers 11, so that the paper 10a is rolled downwards and lead to the table 2 on the bottom part of the tube 10. This ensures equal spreading and flattening the paper on its way to table 2, where a pair of wheels 211a is mounted via a handle 211, fixed into a carrier 21. The bottom part 211b of the carrier 21 is screwed in the corner of the table 2 (Figure 1a).
  • On the part 20a of the upper plate 20 of the table 2 a bar 23 is provided, the bar being installed via a first hinge 23a and wherein the bar 23 has a longitudinal carrier 23b with a groove for moving a handle 23d with a blade. At the end of the bar 23 is the handle 23c for raising the bar 23 upwards and/or left or right, wherein this movement is enabled by the hinge 23a. The first bar with the blade enables cutting the papers along grooves D1, D2, D3 and D4. On the part 20b of the upper part 20 of the table 2 a second bar 23' is fixed using a second hinge 23c', the said second bar having a longitudinal holder with a groove for moving the bar with the blade. At the end of the bar 23 is a handle 23c, with which the bar 23 can be lifted upwards and/or left or right, which is enabled with the hinge 23a. The second bar 23' with the blade enables cutting papers along grooves D1', D2', D3' and D4'. On the right edge of the table 2 a restrictor 24 is attached, wherein the said restrictor 24 may be moved along the groove 24a and may be attached at a required place with a screw 24b (Figure 2b).
  • The table 3 for cutting the basic paper sheet A has on a carrier 31a fixed upper plate 31. Perpendicularly to the plate 31 is a restrictor 32, which is in the vicinity of a knife 34. The knife 34 with the blade 34a is fixed into a hinge 341, which enables raising and lowering the blade 34a along the edge of the upper plate 31 of the table 3. The end of the blade 34a is provided with a handle 34b for easier manipulation with the knife 34. Through the legs 31a and 31b two distancing legs 33a are mounted, which are via a mechanism 33c movable left and/or right from the edge of the table 3. The legs 33a are perpendicularly fixed into the rectangular plate 31. The first restrictor 32 is parallel to the plate 33b of the second restrictor 33, both of which form an opening, through which the cut-off parts of the sheet A fall into a reservoir. The upper plate 31 of the table is equipped with a longer rod 35a attached with screws 35a' and a cross-like part 35b of the accessory 35, the cross-like part is attached with a screw 35b'. The cross-like part 35b is placed and attached to the plate 31 so that one leg is parallel to one side of the plate 31, while the other leg is parallel to the adjoining side, which is perpendicular to the first side. The longer rod 35a is rectangularly shaped with a rectangular cutout and is with regards to the cross-like part indented for an angle α, which may be from 110° and 120°, preferably 115°. The accessory 35 enables cutting of the first triangle A' and then the second triangle A" from the paper sheet A.
  • The gluing mechanism for gluing the edges of the paper basis into the packaging is shown in figures 5a, 5b and 5c. The table 4 is a regular table placed in proximity of the table 5, where the main part of the gluing mechanism 6 is installed. The end of the table 5 is equipped with an inclined table 8, where all finished products are accumulated. The table 5 has on its upper part uniformly distributed five transport belts 5a. On the outer edge of the table 5 is a mechanism comprising a bottom transporter 61 of sheets A2, wherein the right part of the transport is provided with a cylinder 61a below the mechanism and cylinder 61c above the mechanism. On the other side the transporter 61 has a cylinder 61b and above it a cylinder 61d. A drive band 62a is installed on the cylinder 61b, wherein the said drive band is rotated with the drive motor axle 62. The first part of the table 5 comprises the mechanism for applying glue along the upper part of the sheet A2. Approximately in the middle of the table 5 is a mechanism 9 for folding the lower band to the upper part of the sheet A2 provided with glue. This is a phase of gluing the sheet A2 into a cone-line shape, which is also the final product or the packaging. At the end of the table 5 is a simple mechanism 7 of two blades with a common front flat side. The blades 7a and 7b are made of a spring element and designed so that the blade 7a is turned upwards and the blade 7b downwards. The finished product is freely led along the inclined table 8 to a simple carrier 8a so that the blades 7a and 7b open the product and place the product on the carrier. Next products are one by one opened with the blades 7a and 7b and placed on the previous product on the carrier. In this way the set of sheets A2 is stacked into a set of products. This enables easy counting of produced packages and packaging into boxes for delivery.
  • As shown in figure 6a the paper packaging for plants according to the invention is designed as a basic sheet A shaped as a right-angled trapezoid with base sides a1 and a2 having different lengths and two side legs b1 and b2 having the same length. The basic sheet A is cut on the table 2 along the oblique grooves marked with D and D'. During cutting of the twelve layers of paper to sets of basic sheets are obtained, wherein one set is in the position of a large letter A, while the second set is in the position of a large letter A rotated for 180°. Common sides are on the line of the cut made by the bar 23. This creates an edge A3 with a width of approximately two centimetres. The width of the edge A3 depends on the width of the bar edge and knife in the middle of the bar. The axis Y is moved for the width of the edge A3, into the left for the left set and into the right for the right set. When the bar 23 is still fixed, the outer edge with the leg b1 is manually folded to the edge of the bar 23. The same is performed for the second set of basic sheets A, wherein both sets are pushed with a ruler along the fold line from one end to another, in order to create the fold d1. Thus prepared sets of sheets A are moved to table 3. Lengths of base sides and legs are arbitrary and based on the required dimensions of the packaging. Preferred dimensions of sides of the packaging are shown in Table 1 below. Table 1
    Dimension of the basic sheet d1 in cm b2' in cm a4 in cm a5 in cm
    1. A cut along D1, D1' 60 42 13 2
    2. A cut along D2, D2' 70 50 15 2
    3. A cut along D3, D3' 86 65 24 2
    4. A cut along D4, D4' 86 70 30 2
  • On the table 3 the fold d1 of the set of sheets A is put on the longer bar 35a of an accessory 35, wherein the beginning of the fold d1 is moved to the edge of the table 3. Because the accessory 35 is inclined at an angle α, the beginning of the fold d1 is placed on the edge of the restrictor 32, while the remaining part is pushed under the restrictor 32. By raising the handle 34b and lowering the blade 34a of the knife 34, the first triangle A' is cut, thus creating sheet A1 as shown in figure 6c. The whole set of the sheets A1 is moved so that the second triangle A" may be cut, thus creating set of sheets A2. The sheet A2 has a fold d1, bottom double side a4 and bottom single side a5, which is the width of the edge A3'. The set of sheets A2 is moved to the table 4 with the mechanism for gluing the edges of the paper base into the packaging.
  • The paper packaging for plants is designed as a basic sheet A shaped as a right-angled trapezoid with base sides a1 and a2 having different lengths and two side legs b1 and b2 having the same length. The basic sheet A is folded from the beginning fo the edge A3, wherein the folded edge is the side d1; that for the width of the edge A3 the Y-axis is moved to the left or the right; that a first triangle A' is cut in order to obtain sheet A1; that the second triangle A" is cut in order to obtain sheet A2, witht the side d1, bottom double side a4 and bottom single side a5, which is the width of the edge A3'; that the sheet A2 after application of glue onto the edge A3', folding the said edge onto the other side and gluing becomes the final packaging.
  • The glue for gluing may be any suitable glue, preferably starch-based glue suitable for paper and which is environmentally friendly. This glue is also used in food industry. Material for the packaging may be any material suitable for floral industry and it may also have any pattern or perforation for easier removal after use.

Claims (4)

  1. Paper packaging for plants in the shape of a truncated cone arranged to receive a plant with or without a pot, wherein the paper packaging is made from a basic sheet (A) in the shape of an isosceles trapezoid with base sides (a1, a2) of different lengths and two legs (b1, b2) of same lengths, characterized in that the final packaging is obtained in the following manner:
    the basic sheet (A) is folded along an axis crossing both base sides so as to form a right-angle trapezoid, the axis being moveable left or right so as to leave an edge (A3), wherein the folded edge forms a short leg of the right-angle trapezoid (d1) and the outmost leg (b2) of the basic sheet forms a long leg of the right-angle trapezoid; from which
    a first triangle (A') is cut off along a cut line crossing the long leg (b2) and the corner formed by the longer base side (a1) and the folded edge (d1) to form a second sheet (A1); from which
    a second smaller triangle (A") is cut along a cut line crossing the long leg (b2) of the right-angle trapezoid and the corner formed by the innermost leg (b1) of the basic sheet and the longer base side (a1) to obtain a third sheet (A2);
    the third sheet (A2) being formed by, in counter-clockwise order: the folded edge (d1), the shorter base side (a2) comprising a double thickness portion (a4) and a signle thickness portion (a5) of the width of the edge (A3), the remaining part of the long leg (b2) of the right-angle trapezoid, the cut line of the second triangle, and the remaining part of the cut line of the first triangle (A'); wherein the edge (A3) is then provided with glue, folded over the innermost leg (b1) of the basic sheet onto the opposite side to be glued onto it so as to form the final packaging.
  2. Paper packaging for plants according to claim 1, characterized in that it can be made in different sizes.
  3. Paper packaging for plants according to any of the preceding claims, characterized in that the packaging is made from waxed paper.
  4. Paper packaging for plants according to any of the preceding claims, characterized in that the glue is any suitable glue, preferably starch-based glue.
EP20169808.1A 2019-04-18 2020-04-16 Paper packaging for plants, device for manufacture and a manufacturing method of said packaging Active EP3730426B1 (en)

Applications Claiming Priority (1)

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SI201900083A SI25822A (en) 2019-04-18 2019-04-18 Paper plant package, production device for the package and a production method thereof

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CN113022023A (en) * 2021-02-26 2021-06-25 浙江驰明包装股份有限公司 Special manufacture equipment of flower bag

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