EP3181472B1 - Behälter und verfahren zum herstellen eines behälters - Google Patents

Behälter und verfahren zum herstellen eines behälters Download PDF

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Publication number
EP3181472B1
EP3181472B1 EP16203883.0A EP16203883A EP3181472B1 EP 3181472 B1 EP3181472 B1 EP 3181472B1 EP 16203883 A EP16203883 A EP 16203883A EP 3181472 B1 EP3181472 B1 EP 3181472B1
Authority
EP
European Patent Office
Prior art keywords
side edge
blank
region
sleeve
cover
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
EP16203883.0A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3181472A1 (de
Inventor
Peter Nille
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.)
PTM Packaging Tools Machinery Pte Ltd
Original Assignee
PTM Packaging Tools Machinery Pte Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by PTM Packaging Tools Machinery Pte Ltd filed Critical PTM Packaging Tools Machinery Pte Ltd
Publication of EP3181472A1 publication Critical patent/EP3181472A1/de
Application granted granted Critical
Publication of EP3181472B1 publication Critical patent/EP3181472B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D3/00—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
    • B65D3/10—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by form of integral or permanently secured end closure
    • B65D3/20—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by form of integral or permanently secured end closure with end portion of body adapted to be closed, by flattening or folding operations, e.g. formed with crease lines or flaps
    • 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
    • B65D3/00—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
    • B65D3/10—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by form of integral or permanently secured end closure
    • B65D3/12—Flanged discs permanently secured, e.g. by adhesives or by heat-sealing
    • B65D3/14—Discs fitting within container end and secured by bending, rolling, or folding operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02—Stamping using rigid devices or tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
    • 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
    • B31B50/74—Auxiliary operations
    • B31B50/742—Coating; Impregnating; Waterproofing; Decoating
    • B31B50/743—Coating or impregnating edges or corners
    • 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
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/0003—Shaping by bending, folding, twisting, straightening, flattening or rim-rolling; Shaping by bending, folding or rim-rolling combined with joining; Apparatus therefor
    • B31F1/0006—Bending or folding; Folding edges combined with joining; Reinforcing edges during the folding thereof
    • B31F1/0032—Bending or folding; Folding edges combined with joining; Reinforcing edges during the folding thereof of tubes
    • 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
    • B65D3/00—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
    • B65D3/02—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by shape
    • 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
    • B65D3/00—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
    • B65D3/02—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by shape
    • B65D3/04—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by shape essentially cylindrical
    • 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
    • B65D3/00—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
    • B65D3/10—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by form of integral or permanently secured end closure
    • B65D3/12—Flanged discs permanently secured, e.g. by adhesives or by heat-sealing
    • 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
    • B65D3/00—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
    • B65D3/28—Other details of walls
    • 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
    • B65D53/00—Sealing or packing elements; Sealings formed by liquid or plastics material
    • B65D53/06—Sealings formed by liquid or plastic material
    • 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
    • B31B2105/00—Rigid or semi-rigid containers made by assembling separate sheets, blanks or webs
    • B31B2105/002—Making boxes characterised by the shape of the blanks from which they are formed
    • B31B2105/0022—Making boxes from tubular webs or blanks, e.g. with separate bottoms, including tube or bottom forming operations
    • 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
    • B31B2110/20—Shape of rigid or semi-rigid containers having a curved cross section, e.g. circular

Definitions

  • the invention relates to a container made of paper or paper-like material with a sleeve and a bottom and / or lid, wherein the bottom and / or lid and the sleeve are connected substantially liquid-tight in the region of a bottom frame or cover frame, wherein the sleeve of a flat blank and wherein adjacent to a first side edge and to a second, the first side edge opposite side edge of the blank adjacent areas to form an overlapping side seam and are materially interconnected.
  • a container made of paper with a sleeve and a bottom is known, wherein the bottom and the sleeve are connected in the region of a bottom frame substantially liquid-tight.
  • the sleeve consists of a flat blank, wherein adjacent to a first side edge and to a second, the first side edge opposite side edge of the blank adjacent areas to form an overlapping side seam and are materially interconnected. In the area of the floor frame, the area adjoining the first side edge forms a step offset from the rest of the blank.
  • a sleeve is produced from a flat blank, wherein adjacent to a first side edge and to a second, the first side edge opposite side edge of the blank adjacent areas to form an overlapping side seam and are materially interconnected.
  • the first side edge adjacent area forms a relation to the rest blank stepped step.
  • the step is impressed by means of a punch.
  • a container and a method for producing a container especially with respect to the tightness of the overlapping side seam to be improved.
  • a container with the features of claim 1 or a method for producing a container with the features of claim 11 is provided for this purpose.
  • Advantageous developments of the invention are specified in the subclaims.
  • a container according to the invention made of paper or paper-like material with a sleeve and a bottom and / or lid
  • the bottom and the sleeve in the region of a bottom frame, or the lid and the sleeve in the region of a cover are connected substantially liquid-tight.
  • the sleeve consists of a flat blank and on a first side edge and on a second, the first side edge opposite side edge of the blank adjacent areas are stacked to form an overlapping side seam and materially connected to each other.
  • the ledge formed by the overlapping side seam can be reduced in height, and even leveled if necessary on one side.
  • This facilitates the formation of the bottom frame and the cover frame in the region of the overlapping side seam and, above all, the liquid-tight design of the bottom frame or the cover frame in the region of the overlapping side seam.
  • the step is formed or made the sleeve of the flat blank so that the shoulder on the overlapping side seam on the inside of the sleeve is reduced in height or completely is leveled.
  • the peripheral collar of the bottom and in the region of the lid frame the peripheral collar of the lid can be reliably and liquid-tightly connected to the sleeve, especially in the overlapping side seam, since there is only a paragraph reduced height or even there is no longer any sales.
  • the same design can be provided within the scope of the invention.
  • the sleeve is formed in any case of paper or paper-like material, which may optionally be coated.
  • the bottom and / or the lid may be made of paper or paper-like material which is optionally coated, but also of other materials, for example aluminum.
  • the step has a shoulder and a step surface, which extends from the shoulder to the first side edge, wherein the adjacent to the second side edge area rests on the step surface and the second side edge rests on the shoulder.
  • the end side of the second side edge can be sealed, since it rests against the shoulder of the step.
  • the front side of the second side edge is thus no longer unprotected inside the container.
  • an increased application of adhesive in the region of the shoulder of the step can take place in order to close or seal the end face of the second side edge in a liquid-tight manner.
  • the second side edge lies on the inside of the sleeve, so that the region adjoining the second side edge comes into contact with the liquid during filling of the container.
  • a sealing strip is laid around the second side edge, which is firmly bonded to the flat blank.
  • the second side edge is covered towards the inside of the container with a sealing strip, which is materially connected to the inside of the container.
  • a sealing strip is attached, which then covers the possibly still existing gap between the end face of the second side edge and the shoulder of the step in the region of the first side edge. In this way, the overlapping side seam can be completely sealed towards the inside of the sleeve.
  • the region adjoining the second side edge is turned over by 180 ° so that a section with two superimposed material layers is formed, which forms a new side edge of the blank.
  • paper or paper-like material used to make containers is coated at least on one side so that liquid is prevented from entering the paper or paper-like material.
  • the coating is often applied only on one side. This is partly because of the fact that the outside of the sleeve, which does not come into contact with liquid, should generally be printed. Here a coating would only be a hindrance.
  • the area adjacent to the second side edge is turned over by 180 °, a new side edge of the blank is formed, on which then also the coating is present. If now this new side edge of the blank is arranged in the formation of the overlapping side seam of the sleeve on the inside of the sleeve, then this new side edge is reliably protected by the coating against the ingress of liquid.
  • the material thickness of the region adjoining the second side edge is reduced compared with the rest of the blank.
  • an area is created with twice the material thickness compared to the rest of the blank.
  • This effect can by weakening the material thickness of the area adjacent to the second side edge from the rest of the blank.
  • the area adjoining the second side edge can be milled down to the reduced material thickness.
  • the milling of a flat blank in the area of the side edge is possible in a simple and process-reliable manner.
  • one thickness of the section with two superposed material layers corresponds to a material thickness of the remaining blank.
  • a continuous material thickness of the flat blank is achieved and at the same time can be provided by the turning of the adjoining the second side edge area by 180 °, a new side edge of the blank on which then a coating is present.
  • the region adjoining the second side edge forms a stepped second step, with the two steps on the finished container extending in different directions in the radial direction.
  • a reduced height landing in the region of the overlapping side seam can be achieved on both the inside and outside of the sleeve.
  • a heel height is set on the inside of the sleeve, which allows a reliable and liquid-tight connection of the sleeve with the bottom in the region of the bottom frame and / or with the lid in the region of the lid frame.
  • a height of the heel is set, which ensures an aesthetic appearance of the cup and which is pleasant, for example, in terms of haptic for a user.
  • the first and the second stage each have a shoulder and a step surface, which extends from the shoulder to the first side edge, wherein a height of the heel of the first and the second stage corresponds to half the material thickness of the blank.
  • a shoulder can be provided both on the inside of the sleeve and on the outside of the sleeve in the region of the overlapping side seam, which only has the height of half the material thickness of the blank.
  • the step has a shoulder at the transition from the step to the remaining blank, wherein a height of the step corresponds to the material thickness of the paper or of the paper-like material.
  • the region of the overlapping side seam can be formed without a step.
  • forming a step remote from the remainder of the blank is adjacent to the first side edge, placing a portion adjacent to the second side edge onto a step surface of the step and applying the second side edge to a ledge the stage provided.
  • the region of the overlapping side seam can be formed without a shoulder.
  • the end face of the second side edge can be at least partially sealed.
  • the stamping of the step is provided by means of a punch.
  • the stamping of the step can take place by means of a roller.
  • the milling of a region adjacent to the second side edge of the blank is provided for a reduced material thickness and the turning over of the region adjoining the second side edge by 180 ° so that a section is formed with two superimposed layers of material each having a reduced material thickness, which forms a new side edge of the blank.
  • Fig. 1 shows a container 10 according to a first embodiment.
  • the container has an in Fig. 1 non-visible bottom 12, a sleeve 14 and a lid 16.
  • the sleeve 14 is wound from a flat blank of paper or paper-like material, wherein an overlapping side seam 18 is formed for joining the first and the second side edge of the flat blank.
  • an area adjoining a first side edge 20 is connected via a to a second, in Fig. 1 placed invisible side edge adjacent area and these two areas are then joined together materially.
  • a region adjoining the first side edge 20 forms a stepped step 24 opposite to the rest of the blank. This will be explained in more detail below.
  • the bottom 12 and the cover 16 are each cup-shaped and have a substantially flat bottom or top surface and a circumferential, perpendicular projecting from the top surface or bottom surface cover collar or bottom collar.
  • an upper edge or lower edge of the sleeve 14 is turned over by 180 °.
  • a so-called cover frame or bottom frame is formed, with which the sleeve can be connected to the cover or the floor substantially liquid-tight.
  • the step 24 may be provided in the context of the invention in the region of the lid frame and in particular the cup may be formed substantially identical in the region of the bottom frame and the cover frame.
  • Both the bottom 12 and the lid 16 are circular and the sleeve 14 has a circular cylindrical shape.
  • the invention is not limited to a particular shape of the container 10 and can for example be used for unilaterally open containers, so-called cups, with optionally frusto-conical sleeve.
  • Fig. 2 shows a further embodiment of a container 30.
  • the container 30 has a cylindrical shape with the base of a rectangle with rounded corners.
  • the container 30 is the same as the container 10 of Fig. 1 constructed and in particular also has a sleeve 14, a bottom 12, a lid 16.
  • the sleeve 14 has an overlapping side seam 18 which forms a step 24 on the outside of the container.
  • the presentation of the Fig. 3 shows a sectional sectional view of the container 10 of Fig. 1 , Evident is the pot-shaped bottom 12, which has a vertically projecting from a bottom plate down the floor collar. Around this bottom collar, a region adjacent to the lower edge of the sleeve 14 is turned over by 180 °.
  • a U-shaped pocket is formed with the area adjacent to the lower edge of the sleeve 14 in which the bottom collar is received.
  • the bottom collar is then pressed with the U-shaped pocket of the sleeve 14 and, for example, at the same time materially connected to the material of the sleeve 14, so that the sleeve 14 and the bottom 12 are connected substantially liquid-tight in the region of the bottom frame.
  • Fig. 3 is to recognize the second side edge 22 of the flat blank, which lies on the inside of the container or the sleeve 14.
  • the first side edge 20 lies on the outside of the sleeve 14, see Fig. 1 , and is in the representation of Fig. 3 can be seen only in the folded lower portion of the sleeve 14, which forms part of the bottom frame.
  • the presentation of the Fig. 4 shows a view on the section plane IV-IV in Fig. 3 ,
  • the section plane IV-IV passes through the bottom collar of the bottom 12 and shows the region of the overlapping side seam 18 of the sleeve 14th
  • a region adjoining the first side edge 20 forms a step 32 offset from the rest of the blank from which the sleeve 14 is made.
  • the step 32 has a shoulder 34 and a step surface 36.
  • the paragraph 34 is dimensioned in height so that it corresponds to the thickness of the flat blank, from which the sleeve 14 is made. As a result, no shoulder is formed on the inside of the sleeve 14 which rests against the bottom collar of the bottom 12. The inside of the sleeve 14 is thus formed without heel or step and can thereby be reliably liquid-tightly connected to the bottom collar of the bottom 12.
  • step in the area adjoining the first side edge 20 thereby offers considerable advantages in the design of the floor frame. Likewise, the provision of this step provides the same advantages in forming the deckle.
  • Fig. 5 shows the same partial sectional view of the container 10 of Fig. 1 , However, the cutting plane VI-VI lies above the bottom 12. The cutting plane VI-VI thus passes through a region of the sleeve 14, which is arranged above the bottom 12.
  • FIG. 6 A sectional view of the section plane VI-VI in Fig. 5 is in Fig. 6 shown.
  • a portion of the sleeve 14 in the region of the overlapping side seam 18 can be seen.
  • the region adjoining the first side edge 20 forms the step 32 with the shoulder 34 and the step surface 36.
  • the step 32 and the shoulder 34 extend in the radial direction to the outside.
  • the first side edge 20 thus lies on the outside of the sleeve 14.
  • the second side edge 22 abuts against the shoulder 34 of the step 32 and is thereby, as Fig. 6 can be seen, already partially sealed against the interior of the sleeve 14.
  • Gap 38 is so small that it can easily be closed with adhesive or glue when bonding the region adjacent to the first side edge 20 with the region adjacent to the second side edge 22 to form the overlapping side seam 18. Also, in the area of the lid frame and bottom frame, see Fig. 4 , an opening between the folded edge of the bottom 12 and the lid and the sleeve 14 at the location of the gap 38 avoided. As a result, no liquid from the interior of the container between the folded edge of the bottom 12 and the sleeve 14 penetrate.
  • the second side edge 22 can be reliably protected against ingress of liquid.
  • FIG. 7 shows a further embodiment, wherein, comparable to the view of Fig. 6 , only the region of the overlapping side seam 18 of the sleeve 14 is shown.
  • the area adjoining the first side edge 20 again forms a step 42.
  • the step 42 is formed lower than the step 32 in FIG Fig. 6 , Specifically, the height of a heel 44 of the step 42 is only half the material thickness of the material from which the sleeve 14 is made.
  • the region adjacent to the second side edge 22 forms a further step 46.
  • the step 46 also forms a shoulder 48 with a height that corresponds to half the material thickness of the material of the sleeve 14.
  • FIG. 8 shows a further embodiment, wherein again only the region of the overlapping side seam 18 of the sleeve 14 is shown.
  • An interior 26 of the sleeve 14 is located in Fig. 8 below.
  • the area adjacent to the first side edge 20 forms the step 32 and is adjacent to the second side edge 22 as shown in FIG Fig. 6 has already been explained, has been placed in the stage 32.
  • the remaining narrow gap between the second side edge 22 and the shoulder 34 of the step 32 is covered by a sealing strip 50.
  • This sealing strip 50 is connected to the inside of the sleeve 14 after the production of the overlapping side seam 18. This can be done, for example, by fusing the sealing strip 50 with the coating of the sleeve 14 facing the interior 26 or sealing it to the inside of the sleeve 14.
  • the presentation of the Fig. 9 shows a further embodiment. Again, only the area of the overlapping side seam 18 is shown.
  • the sleeve 14 has a step 52 in the region adjoining the first side edge 20.
  • the step 52 has a shoulder 54 having a height equal to twice the material thickness of the blank from which the sleeve 14 is made.
  • the adjoining the second side edge 22 has been turned over by 180 °, thereby forming a new side edge 56 of the blank, from which the sleeve 14 is made.
  • This new side edge 56 is applied to the heel 54 of the step 52.
  • the new side edge 56 is protected against the ingress of liquid since the region adjoining the second side edge 22 is turned over such that a coating lying to the interior 26 of the sleeve 14 is then also arranged on the new side edge 56.
  • FIG. 10 shows a further embodiment, wherein again only the area of the overlapping side seam 18 is shown.
  • the area adjacent to the first side edge 20 forms a step 62.
  • a sealing strip 64 is turned over by 180 °. The side edge 22 is thus reliably protected against ingress of liquid.
  • the sealing strip 64 is simultaneously used to connect the region adjacent to the second side edge 22 to the region adjacent to the first side edge 20 in the region of the overlapping side seam 18, for example, to seal.
  • FIG. 12 shows a further embodiment of the invention, wherein again only the region of the overlapping side seam 18 of the sleeve 14 is shown.
  • the area adjacent the first side edge 20 again forms the step 32 which has a shoulder 34 having a height corresponding to the material thickness of the blank from which the sleeve 14 is made.
  • the adjacent to the second side edge 22 area was first milled to half its original thickness and then turned over by 180 °. As a result, a new side edge 56 of the blank is formed. In the handled area there is now a material thickness which corresponds to the original material thickness of the blank. Nevertheless, the new side edge 56 is protected on the one hand by the coating of the blank on the interior 26 of the sleeve 14 facing side. On the other hand, the new side edge 56 bears against the shoulder 34 of the step 32. When cohesively connecting and producing the overlapping side seam 18, the new side edge 56 can thus also be sealed or materially connected to the shoulder 34.
  • the presentation of the Fig. 13 shows a device 80 for introducing a step 82 in the blank for the sleeve 14.
  • the blank is pressed by means of a punch 84 against a pad 86 and thereby held.
  • a roller 88 By means of a roller 88, the step is then rolled into the blank.
  • the step 82 then follows a stepped contour of the base 86.
  • the presentation of the Fig. 14 shows another device 90 for producing the step 82 in the blank for the sleeve 14.
  • the blank is again on the pad 86, which has a stepped contour and is held by the punch 84 to the pad 86.
  • a further punch 92 is provided, which is placed against the base 86 with the interposition of the blank for the sleeve 14 and thereby impresses the step 82.
  • FIG. 15 shows a sectional sectional view of a container 10 according to the invention.
  • the overlapping side seam 18 of the container is formed in the same way as in FIG Fig. 7 is shown.
  • Fig. 16 shows a view on the cutting plane XVI-XVI in Fig. 15 , Evident is the bottom 12 in the region of the bottom frame, the bottom plate is shown only in sections, and the cut bottom collar, which protrudes vertically downwards from the bottom plate, see also Fig. 15 , The overlapping side seam 18 is, as already mentioned, identical to the embodiment of FIG Fig. 7 trained and will therefore not be explained again.
  • the floor collar has an indentation 100, which extends to the inside of the container 10 and consequently forms a depression.
  • the recess is adapted to the dimensions of the portion of the overlapping side seam 18 projecting towards the inside of the container Fig. 16 So down.
  • the indentation 100 is as wide as the distance between the shoulder 48 and the side edge 22, cf. also Fig. 7 , A depth of the indentation 100 corresponds to the height of the shoulder 48 and thus in the illustrated embodiment half the material thickness of the material of the sleeve 14.
  • the indentation 100 can be formed on the bottom collar of the bottom 12 either before the connection of the bottom 12 with the sleeve 14 or during the connection of the bottom 12 with the sleeve 14. It can be seen in any case that even in the region of the overlapping side seam 18, where the bottom collar rests against the overlapping side seam 18, there are only vanishingly small gaps between the bottom collar and the inside of the sleeve 14. This ensures a reliable liquid-tight connection of the bottom 12 with the sleeve 14.
  • FIGS. 15 and 16 is particularly advantageous when combined with a sleeve 14 of paper material and a bottom 12 and / or a lid 16 made of aluminum.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
EP16203883.0A 2015-12-17 2016-12-13 Behälter und verfahren zum herstellen eines behälters Active EP3181472B1 (de)

Applications Claiming Priority (1)

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DE102015225799.1A DE102015225799A1 (de) 2015-12-17 2015-12-17 Behälter und Verfahren zum Herstellen eines Behälters

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EP3181472A1 EP3181472A1 (de) 2017-06-21
EP3181472B1 true EP3181472B1 (de) 2019-03-13

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US (1) US10589890B2 (enrdf_load_stackoverflow)
EP (1) EP3181472B1 (enrdf_load_stackoverflow)
JP (1) JP6858542B2 (enrdf_load_stackoverflow)
KR (1) KR102676660B1 (enrdf_load_stackoverflow)
CN (1) CN106892175B (enrdf_load_stackoverflow)
DE (1) DE102015225799A1 (enrdf_load_stackoverflow)

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JP2022509928A (ja) * 2018-11-09 2022-01-25 ユン リム，ビョン 健康と環境にやさしいアルミニウム内皮紙容器及びその製造方法
USD895440S1 (en) * 2019-03-05 2020-09-08 Chocoladefabriken Lindt & Sprüngli Ag Preserve can
CN111000347A (zh) * 2019-10-30 2020-04-14 宁波新鲜派环保科技有限公司 一种保鲜用纸盒
GB202005709D0 (en) * 2020-04-20 2020-06-03 Obrist Closures Switzerland Jar
US12384591B2 (en) 2020-04-20 2025-08-12 Berry Superfos Randers A/S Package

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JPS566787U (enrdf_load_stackoverflow) 1979-06-26 1981-01-21
JPS62146149A (ja) * 1985-12-16 1987-06-30 東洋製罐株式会社 ３ピ−ス缶の缶胴
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JPH07195584A (ja) * 1993-12-28 1995-08-01 Yokohama Rubber Co Ltd:The シーリング材の紙缶の製造方法
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CN201254311Y (zh) * 2008-07-25 2009-06-10 丁椒平 防渗漏纸制容器
JP2010215249A (ja) * 2009-03-14 2010-09-30 Toppan Printing Co Ltd バリア性を有する紙容器
ES2503890B2 (es) * 2011-06-17 2015-09-28 Berry Plastics Corporation Vaso aislante
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KR102676660B1 (ko) 2024-06-20
DE102015225799A1 (de) 2017-06-22
JP2017109796A (ja) 2017-06-22
KR20170072821A (ko) 2017-06-27
CN106892175B (zh) 2020-04-24
JP6858542B2 (ja) 2021-04-14
US20170174385A1 (en) 2017-06-22
CN106892175A (zh) 2017-06-27
EP3181472A1 (de) 2017-06-21
US10589890B2 (en) 2020-03-17

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