EP2080715B2 - Becher aus einem Papiermaterial - Google Patents

Becher aus einem Papiermaterial Download PDF

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Publication number
EP2080715B2
EP2080715B2 EP09000695.8A EP09000695A EP2080715B2 EP 2080715 B2 EP2080715 B2 EP 2080715B2 EP 09000695 A EP09000695 A EP 09000695A EP 2080715 B2 EP2080715 B2 EP 2080715B2
Authority
EP
European Patent Office
Prior art keywords
cup
sleeve
jacket
interior
chime
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
EP09000695.8A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2080715A1 (de
EP2080715B1 (de
Inventor
Uwe Messerschmid
Werner Stahlecker
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
Family has litigation
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Application filed by PTM Packaging Tools Machinery Pte Ltd filed Critical PTM Packaging Tools Machinery Pte Ltd
Priority to PL09000695.8T priority Critical patent/PL2080715T5/pl
Publication of EP2080715A1 publication Critical patent/EP2080715A1/de
Application granted granted Critical
Publication of EP2080715B1 publication Critical patent/EP2080715B1/de
Publication of EP2080715B2 publication Critical patent/EP2080715B2/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
    • B65D21/00—Nestable, stackable or joinable containers; Containers of variable capacity
    • B65D21/02—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together
    • B65D21/0233—Nestable containers
    • 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
    • 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
    • B31B50/60—Uniting opposed surfaces or edges; Taping
    • 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/38—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation
    • B65D81/3865—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation drinking cups or like containers
    • B65D81/3869—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation drinking cups or like containers formed with double walls, i.e. hollow
    • 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
    • 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
    • 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
    • B31B2110/10—Shape of rigid or semi-rigid containers having a cross section of varying size or shape, e.g. conical or pyramidal
    • 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
    • B31B50/59—Shaping sheet material under pressure
    • B31B50/594—Modifying the shape of tubular boxes or of paper bottle necks

Definitions

  • the invention relates to a cup made of a paper material with a fillable interior, which is formed by a conical jacket and a base, the base at the lower end of the interior being fastened to the jacket with a frame in a substantially liquid-tight manner, the jacket and / or the
  • the bottom in the area of the frame and / or the frame itself has an outwardly protruding widening at least in one area of the circumference and wherein a lower edge of the widening forms a standing surface for the cup and the cup has an outer jacket.
  • the invention further relates to a method for producing a cup from a paper material, which consists of a conical shell and a base fastened by a frame in the region of the lesser circumference of the shell, the base being connected to the shell to form a frame and during the formation of the frame, the casing and / or the base in the area of the frame and / or the frame itself is widened outwards at least in one area along the circumference, so that a lower edge of the widening forms a standing surface for the cup.
  • a paper material which consists of a conical shell and a base fastened by a frame in the region of the lesser circumference of the shell, the base being connected to the shell to form a frame and during the formation of the frame, the casing and / or the base in the area of the frame and / or the frame itself is widened outwards at least in one area along the circumference, so that a lower edge of the widening forms a standing surface for the cup.
  • a mug of this type is by that JP2001-192015A State of the art.
  • the frame of the well-known cup widens towards the bottom.
  • the widening is used to attach an outer jacket which surrounds the jacket delimiting the interior space, forming a cavity. Since the widening of the frame defines the distance between the inner jacket and the outer jacket, the widening of the frame must be circumferential.
  • the outer jacket is placed around the frame, folded inwards and fastened there. When attaching the outer jacket to the frame, it can happen that the tightness of the frame is impaired. In addition, the attachment of the outer jacket is very complex due to the hammering.
  • the outer jacket completely encloses the frame so that it is no longer visible from the outside.
  • the outer jacket can only be pressed on from the inside with a very small amount of force, which the frame itself can absorb. If the pressure is too high, the frame can tear; on the other hand, the attachment of the outer jacket can be inadequate if the pressure is too low.
  • the outer jacket is connected by heat sealing, it can happen that the seal between the bottom and the jacket delimiting the interior is loosened again, since no counter-pressure can be exerted on the frame from the outside when the inwardly folded outer jacket is sealed.
  • the frame is a very important element of the cup.
  • the frame is necessary for the connection between the jacket and the floor.
  • At least two material layers lie on top of one another in the thickness direction on the frame, namely the material of the base and the material of the jacket delimiting the interior space.
  • the base is preferably designed in the shape of a pot, the open side of which faces away from the filling opening of the cup.
  • the at least two material layers are therefore preferably arranged along the wall of the pot-shaped base.
  • the jacket is wrapped around the material of the floor, and that the frame consists of three or more layers of material.
  • the material of the bottom is glued or sealed to the material of the jacket in the area of the frame in order to be liquid-tight for at least a certain period of time.
  • paper material from which the base and the jacket are made can be understood to mean different materials which have at least one layer of paper, cardboard or cardboard.
  • the material can have one or more layers of plastic and / or aluminum.
  • the paper material is waxed or lacquered in order to be resistant to the liquid to be filled into the interior.
  • the paper material is preferably coated with a thin plastic layer, preferably made of polyethylene, at least on the side delimiting the interior space. In contrast to pure plastic material, the formability and in particular the ductility of such paper material is limited. If the deformation is too great, the paper material itself or a coating provided can tear, so that the tightness is impaired. In the case of cups made of paper material, the frame is therefore an essential design feature that cannot be dispensed with.
  • a cup made of a paper material with a conical shell and a bottom is known, the bottom at the lower end of the interior space being fastened to the shell with a frame, the frame having an outwardly projecting widening in its lowermost section, a lower edge of the Expansion forms a standing surface for the cup.
  • the cup shown there also has an outer jacket which is arranged between the widened section of the frame and an upper rim of the cup.
  • a drinking cup with a conical jacket and a base is known, in which the jacket and the base are connected to one another by means of a frame, the frame having a truncated cone shape that widens from the base in the direction of the base of the cup.
  • the cup shown has no outer jacket.
  • the invention is based on the object of simplifying the manufacturability of a cup of the type mentioned at the beginning and of avoiding sealing problems on the frame.
  • the footprint of the cup is enlarged by the widening, so that the cup has improved stability.
  • the widening is not or not completely covered by an outer jacket, so that the material of the jacket or the base directly forms the standing surface. As a result, the tightness of the frame cannot be impaired by the attachment of the additional material of the outer jacket.
  • the widening is formed continuously and uniformly along the circumference. If the paper material is coated, it is advantageous to form the widening only so large that the coating does not tear.
  • the frame is preferably widened over its entire height.
  • the frame then has - seen in an axial section - an essentially constant angle of inclination to the central axis of the cup.
  • the frame contains different height areas which have different angles of inclination.
  • the area of the frame adjoining the bottom can remain in its original shape, while the lower edge of the frame is widened to a greater extent.
  • the upper height area can mainly serve to seal off the fillable interior space and connects the conical jacket to the floor in a substantially liquid-tight manner. In this upper height range, the jacket and the wall are sealed or glued to one another.
  • the material of the jacket delimiting the interior space and / or the wall of the base is widened and, with its lower edge, forms an enlarged standing surface for the cup.
  • a liquid-tight connection between the material of the base and the material of the casing is no longer absolutely necessary, so that sealing or gluing in the lower height range can at least partially be dispensed with.
  • the cup according to the invention can be used in a very versatile manner, since it can be used both without an outer jacket and with different outer jackets.
  • a heat-insulating jacket is preferably provided which partially surrounds the jacket delimiting the interior space, forming a cavity.
  • the outer casing is preferably pushed onto the conical casing delimiting the interior space along the central axis and fixed after the frame has been shaped and widened.
  • a stackable mug for example, is made possible by the EP 1 227 042 B1 known.
  • the jacket of the known cup delimiting the interior space has a first means for holding another cup of the same type.
  • the known cup has a second means for holding on an outer casing which surrounds the casing delimiting the interior space with a heat-insulating cavity.
  • the second means of holding is formed by an inwardly directed curl attached to the lower end of the outer jacket.
  • the second holding means attached to the outer casing can interact with a first holding means attached to a similar cup.
  • the known cup has the disadvantage that the forces occurring during stacking are transmitted via the jacket delimiting the interior space and via the outer jacket.
  • the forces that have to be passed on within the cup from the first holding means to the second holding means are first transmitted through the jacket delimiting the interior space to the connection point between the inner jacket and the outer jacket and passed on to the outer jacket via this connection point.
  • the forces are then passed on to the second holding means, which is designed as a curl, and there they are transferred to the next cup.
  • both the inner jacket and the outer jacket must be designed to be stable enough to be able to absorb the forces that occur.
  • the connection point between the outer jacket and the inner jacket must also be designed for the maximum forces that occur.
  • a means for holding another cup of the same type is arranged on the frame, which means can cooperate with a similar cup when the cup is stacked.
  • the means for holding is advantageously formed by the widening. Provision is preferably made for a first holding means to be arranged on the jacket delimiting the interior space, so that when the cup is stacked, it can interact with a second holding means attached to the widening of a similar cup.
  • the second means for holding is arranged on the jacket delimiting the interior space or on the floor or on a frame through which the jacket delimiting the interior space is connected to the floor.
  • the second means for holding is attached to a component of the cup which is in contact with the interior space that can be filled.
  • the cup according to the invention has the advantage that it can be stacked securely and stably even without the presence of an outer jacket and can also be unstacked again without jamming. If it is provided that a heat-insulating outer jacket is assigned to the cup, this can be largely independent of and free from that of the cup EP 1 227 042 B1 shape existing constraints. The forces occurring during stacking are only passed on from the first means for holding to the second means for holding within the jacket delimiting the interior space. An outer jacket is therefore not absolutely necessary. If, however, an outer jacket is to be present, it will not be stressed by the forces that occur during stacking.
  • the frame, through which the jacket delimiting the interior space is connected to the floor, is a very stable part of the cup and is particularly suitable for absorbing forces.
  • the forces occurring during stacking are essentially transmitted through the jacket delimiting the interior space from the first holding means to the second holding means, which can be formed by the widening on the frame. In this way, very stable stacks with a large number of cups can be formed which do not become wedged into one another even if the stacks are exposed to impacts or, for example, are jerkily deposited on the ground.
  • the jacket delimiting the interior space and the base are strong enough to absorb the forces that occur during stacking, since they also have to absorb the forces that occur during filling.
  • the dimensions of the second means for holding are adapted to the dimensions of the first means for holding another cup of the same type.
  • the first means for holding another cup of the same type can be shaped as desired. It is essential that a contour is formed that can absorb forces acting in the axial direction of the cup, that is to say the forces that act between two cups when they are stacked.
  • the first means for holding is preferably designed as a bead or rib which is molded into the jacket delimiting the interior space at least in one area along the circumference.
  • the bead or rib can be designed continuously or with interruptions along the circumference.
  • the cup has a heat-insulating outer jacket
  • the heat-insulating outer jacket can be configured as desired.
  • the outer jacket can be made from a plastic, paper or composite material, for example.
  • the outer jacket can also be corrugated, corrugated, embossed or provided with a foamed layer.
  • the outer jacket can also have a multilayer design, for example a corrugated intermediate layer can be provided, which is covered by an outer layer laid smoothly over it. Because the cup according to the invention can be stacked independently of the outer casing, one and the same inner cup can be combined in a simple and almost arbitrary manner with a wide variety of outer casings. Without changing the shape and dimensions of the inner cup or the components forming the fillable interior, different cups with different optical and haptic appearances can be created, since the appearance that the user of the cup perceives is mainly determined by the design of the outer shell.
  • the outer jacket can be fixed to the inner cup, for example, by sealing or gluing. It creates a secure connection between the outer jacket and the jacket delimiting the interior space, so that the outer jacket is reliably prevented from slipping, even if the outer jacket is only low in height.
  • the outer casing ends below the first means for holding another cup of the same type or even below the bottom.
  • the first holding means attached to the inner jacket is thereby covered by the outer jacket and is no longer visible from the outside.
  • the outer jacket ends above the widening of the frame.
  • the expansion on the frame is preferably carried out by the interaction of a tool arranged outside and inside the frame. The widening can thereby be shaped very precisely.
  • the widening is advantageously widened outward so far that a parallel to the jacket delimiting the interior space, which is applied to the lower edge of the widening, runs at a certain distance outside the jacket delimiting the interior space. So that a provided outer jacket does not hinder the stacking of the cup, it is advantageous that the outer contour of the outer jacket is located within the parallels to the jacket delimiting the interior, which is placed on the widening of the frame.
  • the cup 1 shown consists essentially of a conical jacket 2 and a cup-shaped base 3.
  • the open side of the cup-shaped base 3 is arranged in such a way that it faces away from the filling opening of the cup 1.
  • the bottom 3 is connected with its wall 31 in the area of the lesser circumference of the casing 2 in a liquid-tight manner by forming a frame 4.
  • the material of the jacket 2 is wrapped around the wall 31 of the base 3 and folded inward.
  • the jacket 2 and the base 3 form a fillable interior space 5 of the cup 1.
  • the fillable interior space 5 has a height A.
  • the jacket 2 delimiting the interior space 5 has on its upper edge, that is to say in the region of the larger circumference, an outwardly flanged lip curl 6 which surrounds the filling opening.
  • the "conical” property of the jacket 2 is to be understood as meaning that the jacket 2 is in the in Figure 1
  • the illustrated longitudinal section from the lip curl 6 to the bottom 3 tapers at least in sections.
  • the jacket 2 has an angle of inclination ⁇ to the central axis 13 of the cup 1 above a bead 8 in the area of the fillable interior 5. Below the bead 8, the jacket 2 then has a circular cylindrical shape up to the bottom 3. It is irrelevant what shape the jacket 2 has in cross section.
  • the jacket 2 is preferably circular in cross section, but can alternatively also be, for example, oval or rectangular with rounded corners.
  • the cup 1 In the case of a round cross section of the conical shell 2, the cup 1 has a shape similar to a truncated cone, while in the case of a rectangular cross section of the conical shell 2 it has a shape that is more like a truncated pyramid.
  • the frame 4 has an outwardly projecting widening 10 at least in one area along its circumference.
  • widening is to be understood as meaning that the frame 4 is exposed to the outside around the central axis 13 in relation to a circular cylinder, so that the frame 4 includes a cross-sectional area that widens downwards towards the base.
  • a lower edge 14 of the widening 10 on the frame 4 forms the standing surface for the cup 1.
  • the cup 1 is in use on its standing area, which is enlarged by the widening 10. This makes it difficult for the cup 1 to tip over.
  • the widening 10 is preferably designed to run around the circumference of the frame 4.
  • the outwardly projecting widening 10 also forms a means 9 for holding another cup 1 'of the same type, which can interact with a similar cup 1' when the cup 1 is stacked.
  • the stacking of the cup 1 in a similar cup 1 ' is shown in FIG Figure 2 shown.
  • the widening 10 as a means 9 for stacking the cup 1 can interact, for example, with a jacket 2 'delimiting the interior space 5'. Further means of stacking are not absolutely necessary.
  • the jacket 2 delimiting the interior space 5 preferably has at least one first means 7 for holding another cup 1 of the same type, which can be shaped as desired. It is important that the first means 7 for holding has at least one contour which can absorb forces acting in the direction of the central axis 13 of the cup 1, that is to say forces which act between two cups when they are stacked.
  • the first means 7 for holding can be formed, for example, by a rib or bead 8 which protrudes into the interior of the cup 1.
  • Said second means 9 in the form of the widening 10 is arranged on the frame 4, on which the jacket 2 delimiting the interior space 5 is crimped around the cup-shaped deep-drawn base 3 and sealed in a liquid-tight manner.
  • the dimension Y of the second means 9 for holding is adapted to the dimension X of the first means 7 for holding the other cup 1 'of the same type.
  • the dimension X of the first means 7 for holding corresponds to the inner diameter of the jacket 2 above the bead 8.
  • the dimension Y of the second means 9 for holding corresponds to the largest outer diameter of the widening 10 on the frame 4, i.e. the diameter that surrounds the widening 10.
  • the adaptation of the dimensions X and Y is advantageously carried out in such a way that the dimension Y is selected to be somewhat smaller or at most equal to the dimension X.
  • the cooperation of the first means 7 and the second means 9 for holding is at the in Figure 2 illustrated cups 1 and 1 'clearly.
  • the first means 7 'of the cup 1' which is attached to the jacket 2 'delimiting the interior 5', receives the second means 9 of the cup 1.
  • the widening 10 attached to the frame 4 of the cup 1 and especially the lower end of the widening 10, that is to say about the standing surface at the lower edge 14, is supported by the bead 8 'which is molded into the jacket 2'.
  • the aforementioned adaptation of the dimension X of the first means 7 for holding to the dimension Y of the second means 9 for holding ensures that the widening 10 of the cup 1 is stable and secure on the bead 8 'of the similar cup 1' without standing up but to jam in the conical jacket 2 '.
  • the forces that occur when stacking along the central axis 13, for example the weight of the cup 1 and the cups that may still be stacked above it, are safely absorbed by the bead 8 'as a means 7' for holding and via the jacket 2 'to the lower edge 14 'of the frame 4' of the lower cup 1 'and passed on from the standing surface located on the lower edge 14' to the ground. Even if very high forces occur in the direction of the central axis 13, the cup 1 or 1 'can be easily removed when unstacking.
  • the frame 4 has a constant angle of inclination ⁇ to the central axis 13 of the cup 1.
  • the angle of inclination ⁇ of the height area B of the frame 4 is in any case directed such that the frame 4 widens towards the lower edge 14 and has the largest dimension Y at its lower edge 14, i.e. the lower edge 14 seen parallel to the central axis 13 the frame 4 forms the region of the frame 4 which is most distant from the central axis 13.
  • the angle of inclination ⁇ is directed in such a way that the conicity runs in the opposite direction.
  • the diameter Y surrounding the widening 10 is preferably greater than the diameter D which surrounds the area of the base 3 that is in contact with the interior space 5. So that effective stacking is possible and the stacking height does not become unnecessarily high, it is advantageous if the means 7 for holding, which is arranged on the casing 2 delimiting the interior space 5, is not arranged higher above the base 3 than a third of the height A of the interior space 5 . Even if the means 7 is dispensed with and the widening 10 is supported directly on the conical region of the casing 2, the diameter Y surrounding the widening 10 is preferably smaller than a diameter surrounding the inner contour of the casing 2 at a height above the base 3 of about a third of the height A.
  • the rib or bead 8 can be embossed or rolled by means of molding tools which are fed to the jacket 2 in the axial or radial direction of the cup 1.
  • the diameter W enclosing the first means 7 for holding another cup 1 'of the same type, i.e. the inner diameter W of the bead 8, is approximately the same size as a diameter D enclosing the area of the base 3 that comes into contact with the interior 5
  • the jacket 2 delimiting the interior space 5 is therefore essentially cylindrical between the first means 7 for holding and the base 3.
  • the widening 10 on the frame 4 can be formed, for example, by a conical mandrel which is fed to the frame 4 from the underside becomes. If necessary, the frame 4 can be heated to form the widening 10. Since a molding tool that performs a sliding movement relative to the surface of the frame 4 can very easily lead to the formation of wrinkles, it can also be advantageous to shape the widening 10 by means of a rolling tool or a radially expanding tool. It can be advantageous to provide a correspondingly shaped counter-tool to the outer circumference of the frame 4 in order to support the shaping of the widening 10. A particularly advantageous method for producing the cup 1 is described below with the aid of Figures 6 to 8 will be explained in more detail.
  • FIG 3 different design options of the cup 1 in the area of the frame 4 are shown in the individual representations A to C in schematic form.
  • the frame 4 is always formed by three material layers, namely two material layers of the casing 2, which surround the wall 31 of the cup-shaped base 3 inside and outside. This configuration is very often advantageous, but is not absolutely necessary in order to implement the present invention.
  • the variants described below can also be advantageous for certain requirements.
  • FIG 3B an embodiment is shown in which the frame 4 is formed only by two layers of material.
  • the material of the shell 2 and the wall 31 of the base 3 both end at the lower edge 14 and thereby form the standing surface.
  • FIG. 3C an embodiment of the frame 4 of the cup 1 is shown, in which the frame 4 in the height range B has different angles of inclination to the central axis 13.
  • the frame 4 in the height range B has different angles of inclination to the central axis 13.
  • the remaining area can be essentially cylindrical, for example, so that the frame 4 runs approximately parallel to the central axis 13 there.
  • the jacket 2 in the upper area of the frame 4 continues the angle of inclination ⁇ of the jacket 2 in the area of the interior 5 unchanged.
  • the cups 1 shown each have a heat-insulating outer jacket 17 which partially surrounds the jacket 2 delimiting the interior space 5, forming a cavity 18.
  • Such cups are also referred to as double-walled insulating cups, in which the jacket 2 located inside the outer jacket 17 in connection with the base 3 can also be referred to as an "inner cup”.
  • the first means 7 for holding another cup 1 'of the same type and the second means 9 for holding are each analogous to that in FIG Figure 1 described variant designed so that a repeated description can be dispensed with.
  • the outer jacket 17 of the in Figure 4 The cup 1 shown is arranged essentially parallel to the jacket 2 delimiting the interior space.
  • the outer jacket 17 has an inwardly directed curl 19 and 20 at an upper and a lower end and is supported by the curls 19 and 20 on the jacket 2 delimiting the interior space 5. It can be provided that the outer jacket 17 is fixed in the area of the curl 19 and / or 20, for example by gluing.
  • the curl 20 is supported in the area of the frame 4 and thus below the horizontal bottom 3 of the inner cup on the inner casing 5, whereby the outer casing 17 is very stable.
  • the outer jacket 17 also covers the first means 7 for holding, so that it cannot be seen from the outside.
  • the curl 20 has a region 23 running parallel to the outer jacket 17.
  • the area 23 runs close to the inside of the outer jacket 17 and can also rest there.
  • the area 23 running parallel to the outer jacket 17 simplifies the sliding of the outer jacket 17 onto the jacket 2, since the outer jacket 17 can no longer get stuck on the frame 4.
  • the jacket 2 delimiting the inner space 5 has an abrupt change in size in the area below the lip curl 6 in the form of a shoulder 21, which, viewed from the bottom 3 to the lip curl 6, presents itself as an abrupt cross-sectional widening.
  • the outer jacket 17 is connected in the area between the lip curl 6 and the shoulder 21 to the jacket 2 delimiting the interior space 5, for example by sealing or gluing.
  • the outer jacket 17 has an inwardly directed curl 20, which also has a region 23 running parallel to the outer jacket 17.
  • the curling 20 is supported on the frame 4 below the bottom 3.
  • the curl 20 is in contrast to Figure 4 pressed flat and slightly indented at the lower edge area 24 of the outer jacket 17, so that there is a greater conicity of the outer jacket 17 there.
  • the cup 1 can also be designed differently in the area of the shoulder 21.
  • An advantageous variant in the area of the shoulder 21 is shown in FIG Figure 5A shown greatly enlarged.
  • the area of the jacket 2 delimiting the interior space 5, which lies between the lip curl 6 and the shoulder 21 and in Figure 5A is designated by the reference numeral 25, shows in contrast to the representation Figure 5 a different angle of inclination to the central axis 13 than the rest of the shell 2.
  • the area 25 of the jacket 2 runs between the lip curl 6 and the shoulder 21 approximately parallel to the central axis 13. So that the outer jacket 17 can be pushed a little under the lip curl 6 when it is pushed onto the inner cup 1, the upper edge area 26 of the outer jacket 17 is slightly indented.
  • the edge region 26 therefore does not continue the conical outer jacket 17 uniformly, but rather has a slightly decreasing diameter. If the outer jacket 17, as in Figure 5A , shown, with its upper edge pushed a little into the lip curl 6, the result is a particularly good appearance of the cup 1, since the upper edge of the outer jacket 17 is no longer visible. If the outer jacket 17 is pushed further into the top curl 6 in an embodiment not shown, the clamping of the outer jacket 17 by the material of the top curl 6 already causes the outer jacket 17 to be fixed single attachment of the outer jacket 17 will be sufficient.
  • the bead 8 of the first means 7 for holding the cups is adapted to the dimension Y of the second means 9 for holding another cup 1 'of the same type. If the dimensions X and Y for the cups 1 of the Figures 4 and 5 with the different outer shells 17 are identical, all these cups 1 can also be stacked with one another in any combination without jamming, since all outer shells 17 lie within the space 16 between the parallel lines 15 and the shell 2 forming the interior 5.
  • the outside 22 of the outer sheaths 17 can have different structures.
  • the outside 22 can for example be corrugated, embossed, corrugated or have a foamed coating. Provision can also be made for the outer jacket 17 to be made corrugated, for example, and also to provide a smooth cover for the corrugated structure in the form of a further jacket on the outside 22 in order to further improve the insulating effect of the cup 1.
  • the design of the outer jacket 17 with an upper curl 19 or the fastening of the outer jacket 17 in the area of a shoulder 21 of the jacket 2 have the advantage that a very wide cavity 18 between the jacket 2 and the outer jacket 17 even in an area just below the top curl 6 arises, which has a very high insulating effect.
  • the curl 19 or the shoulder 21 ensure, even without additional means, such as foamed layers or corrugated cardboard layers within the cavity 18, that the distance between the jacket 2 and the outer jacket 17 does not decrease even under pressure, for example from a grasping hand Isolation effect is lost.
  • a conical outer shell 2 and an approximately pot-shaped bottom are first formed.
  • the outer casing 2 initially has the shape of a conical sleeve and the base 3 has the shape of a truncated cone which tapers parallel to the outer sleeve 2.
  • the base 3 and the outer casing 2 are not yet connected to one another, but merely plugged into one another.
  • the outer jacket 2 is placed on a mandrel 30, which has a frustoconical shape in a first area 29, but in which the tapered end of the frustoconical area 29 is followed by a further frustoconical surface 32, which tapers more and which is to be formed the bead 8, see Fig. 1 , is provided.
  • a circular cylinder-shaped region 33 adjoins the surface 32 and the base 3 then rests on the free end thereof.
  • a diameter E of this circular cylindrical area 33 can be smaller, in particular about 0.5 mm smaller, than the diameter D of the base, see also Fig. 1 .
  • the outer casing 2 can be compressed somewhat more to form the bead 8 than would be possible with the casing 2 and the base 3 already sealed. Since the jacket 2 as well as the bottom 3 are made of coated paper material, the bottom 3 can be at least slightly compressed. This makes it possible to pull the bead 8 relatively far into the interior of the cup in order to ensure that several cups can be safely stacked.
  • a molding tool 34 which is shown in FIG Fig. 6 is shown, and that in the direction of arrow 35 upwards, in Direction of the mandrel 30 is driven.
  • the molding tool 34 has a truncated conical surface 36, the conicity of which essentially corresponds to the surface 32 on the mandrel 30.
  • the outer sleeve 2 is thus clamped between the mandrel 30 and the molding tool 34 and the bead 8 is formed between the surfaces 32 and 36.
  • the molding tool 34 has a channel-shaped region 38 which, in the sectional view of the molding tool 34 in FIG Fig. 6 is only shown in sections, but extends over 360 °.
  • the simultaneous turning over of the lower edge 37 of the casing 2 with the shaping of the bead 8 considerably facilitates the production of the cup according to the invention.
  • the jacket 2 is wound from a circular ring segment over a mandrel and then glued or sealed along a longitudinal seam.
  • the longitudinal seam of the casing 2 in the area of the lower end 37 cannot be glued or sealed.
  • This area is in the representation of the Fig. 6 denoted by F. If the longitudinal seam in the area F is not glued or sealed, the jacket 2 can deform more freely when the lower end 37 is turned over and the formation of waves in the paper material, which in principle is difficult to deform, is avoided.
  • the area F can even extend from the lower edge 37 of the casing 2 to the lower edge of the base 3, as in FIG Fig. 6 is also indicated by the reference number F '.
  • the length F or F ' is thus variable and can be changed.
  • the base 3 is connected to the casing 2 to form the frame 4 in order to complete the inner cup 1.
  • the frame 4 is expanded at the same time when the base 3 is connected to the casing 2, so that the in Fig. 1
  • FIG. 7 shows a further embodiment of the invention, in contrast to the embodiment of Fig. 6 the shell 2 'initially has a conical shape, which then merges into a cylindrical shape at the horizontal bottom 3'.
  • the bottom 3 ′ consequently has an inverted pot shape with a cylindrical circumferential wall 31.
  • Both the design of the mandrel 30 and of the molding tool 34 are, however, in accordance with the shape already explained Fig. 6 identical.
  • the cylindrical preforming of the circumferential wall 31 of the base 3 'and the likewise cylindrical preforming of the lower area of the casing 2' reduce the formation of creases when the lower edge 37 'of the casing 2' is folded over and during the subsequent expansion and formation of the frame 4.
  • either only the jaws 39 or the ring 38 or both the inner jaws 39 and the outer ring 38 can be heated, so that at the same time as the cup-shaped wall 31 is widened, the three layers of material that then lie on top of one another are settled on one another and thereby form the frame 4.
  • a radially outwardly facing surface of the inner jaw 39 is arranged parallel to the inner surface of the outer ring 38 and also has the angle at which the frame 4 is to be arranged in the final state,
  • the inner jaws 39 are, for example, part of a mandrel and can be moved by moving an in Fig. 6 not shown central part are moved radially outward.
  • the outer ring 38 can be designed as a fixed ring or, for example, also as an openable ring in order to make it easier to slide it onto the jacket 2 '.
  • a rotating roller can also be provided, for example, which exerts a force directed radially outward in the direction of the outer ring 38 on the edge 37 ′ and the wall 31 in order to form the frame 4. While the frame 4 is being formed, the cup remains on the mandrel 30.
  • the inner cup 1 is finished and can be removed from the mandrel 30.
  • FIG Fig. 4, Fig. 5 an outer jacket 17 pushed on. This is done in such a way that the outer jacket 17 is received in a ring-like outer tool and a pilot mandrel with a suction head then extends through the tapered end of the outer jacket 17. This suction head engages an inner cup 1 from below on the bottom 3, sucks it and pulls it into the tapered outer jacket 17 until the into the Figures 4 and 5 is reached.
  • the outer jacket 22 To produce the outer jacket 22, it is first wound from a circular segment-shaped blank on a mandrel and into a frustoconical one Sleeve connected. In the area of the lower, tapered end, according to Fig. 9 first a curl 40 vorgefomt.
  • This curling 40 represents a preliminary stage of the curling 20, as shown in FIG Figures 4 and 5 is shown.
  • the curl 40 is then pressed flat until the in Fig. 10 shown form of curling is achieved. It can be seen that the lower edge of the outer jacket 17, which is formed by the curl 20, is slightly drawn in and therefore has a greater conicity at the lower end, as has already been discussed.
  • the Fig. 9 In the representation of the Fig.
  • a knurling or corrugation 41 is indicated on the inside of the curl 20.
  • Such a knurling or corrugation 41 on the inside of the curl 20 can be provided in order to achieve greater elasticity when the outer jacket 17 is pushed onto the inner cup 1.
  • an inner diameter V of the curl 20 is smaller than an outer diameter Y, see Fig. 5 the frame 4.
  • the end of the outer jacket 17 with the curl 20 must therefore widen slightly in order to be able to be pushed over the frame 4. This expansion is facilitated by the knurling or corrugation 41.
  • the longitudinal seam of the outer jacket 17 in the area of the curl 20 cannot be glued or sealed. This facilitates a certain opening of the outer jacket 17 in the area of the curl 20, so that the outer jacket 17 can be pushed over the frame 4 and then contracts again, so that the curl 20 in the FIG Fig. 5 position shown on the outside of the frame 4 rests.
  • a diameter U at the upper end of the curl 20 is greater than the outer diameter Y of the frame 4.
  • Fig. 5 refers to. Since the inner diameter of the outer jacket 17 at the upper edge of the curl 20 is greater than the outer diameter Y, this upper edge of the curl 20 cannot get caught on the frame 4 when it is pushed onto the frame 4. Instead, the frame 4 runs onto the slope that is formed by the inside of the curl 20 and when the outer jacket 17 is pushed on further, it is expanded, slips over the area with the largest diameter Y of the frame 4 and then takes the in Fig. 5 position shown. It can be seen that the outer jacket 17 is then also held on the inner cup 1 by the internal stress, since in order to remove the outer jacket 17 it would have to be pulled over the conically widening frame 4 again.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Stackable Containers (AREA)
  • Packages (AREA)
  • Making Paper Articles (AREA)
  • Table Devices Or Equipment (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
EP09000695.8A 2008-01-21 2009-01-20 Becher aus einem Papiermaterial Active EP2080715B2 (de)

Priority Applications (1)

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PL09000695.8T PL2080715T5 (pl) 2008-01-21 2009-01-20 Kubek z materiału papierowego

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DE102008005403A DE102008005403A1 (de) 2008-01-21 2008-01-21 Becher aus einem Papiermaterial

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EP2080715A1 EP2080715A1 (de) 2009-07-22
EP2080715B1 EP2080715B1 (de) 2012-06-20
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EP (2) EP2080715B2 (pt)
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CN (2) CN101970310B (pt)
AU (2) AU2008264158B2 (pt)
BR (2) BRPI0907410B8 (pt)
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DE (1) DE102008005403A1 (pt)
EA (1) EA017796B1 (pt)
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MX (1) MX2009000098A (pt)
PL (2) PL2080715T5 (pt)
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JP2007231191A (ja) * 2006-03-02 2007-09-13 Ricoh Co Ltd インクジェット用インク、これを用いたインクカートリッジ、画像形成体および画像形成方法
DE102007024243A1 (de) * 2006-07-17 2008-01-24 Ptm Packaging Tools Machinery Pte.Ltd. Becher aus einem Papiermaterial
DE102007030864A1 (de) * 2006-07-17 2008-01-24 Ptm Packaging Tools Machinery Pte.Ltd. Becher aus einem Papiermaterial
WO2008009371A1 (de) * 2006-07-17 2008-01-24 Ptm Packaging Tools Machinery Pte. Ltd. Verfahren und vorrichtung zum herstellen eines bechers
DE102007024254A1 (de) * 2006-07-17 2008-01-31 Ptm Packaging Tools Machinery Pte.Ltd. Verfahren und Vorrichtung zum Herstellen eines Bechers
DE102008005403A1 (de) * 2008-01-21 2009-07-23 Ptm Packaging Tools Machinery Pte.Ltd. Becher aus einem Papiermaterial
DE102008026984A1 (de) * 2008-05-28 2009-12-03 Ptm Packaging Tools Machinery Pte.Ltd. Außenmantel für einen doppelwandigen Becher und Verfahren zum Herstellen
AT508081B1 (de) * 2009-04-01 2012-04-15 Rundpack Ag Kombi-verpackungsbehälter sowie verfahren zu dessen herstellung
DE102009044772A1 (de) * 2009-12-04 2011-06-09 Huhtamäki Oyj Becher und Verfahren zur Herstellung
DE102010013951A1 (de) * 2010-03-30 2011-10-06 Ptm Packaging Tools Machinery Pte. Ltd. Becher aus einem Papiermaterial und Verfahren zum Herstellen eines Bechers aus Papiermaterial

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AU2009207838A1 (en) 2009-07-30
PL2080715T3 (pl) 2012-11-30
BRPI0900078A2 (pt) 2009-09-15
US9260220B2 (en) 2016-02-16
MX2009000098A (es) 2009-08-28
US8727206B2 (en) 2014-05-20
US9238524B2 (en) 2016-01-19
EA017796B1 (ru) 2013-03-29
RU2502659C2 (ru) 2013-12-27
US20110281704A1 (en) 2011-11-17
BRPI0900078B1 (pt) 2019-11-05
EP2080715A1 (de) 2009-07-22
BRPI0907410B1 (pt) 2019-04-09
AU2009207838B2 (en) 2013-05-16
PL2238046T3 (pl) 2014-10-31
AU2008264158B2 (en) 2014-11-20
AU2008264158A1 (en) 2009-08-06
CN101970310A (zh) 2011-02-09
US20090184020A1 (en) 2009-07-23
CA2706374A1 (en) 2009-07-30
EP2238046B1 (de) 2014-05-21
EA200900031A1 (ru) 2009-08-28
CN101492107A (zh) 2009-07-29
WO2009092557A1 (de) 2009-07-30
CA2706374C (en) 2015-10-06
BRPI0907410B8 (pt) 2020-08-11
BRPI0907410A2 (pt) 2015-07-21
CN101970310B (zh) 2014-10-29
EP2238046A1 (de) 2010-10-13
PL2080715T5 (pl) 2024-06-24
RU2010133173A (ru) 2012-02-27
EP2080715B1 (de) 2012-06-20
JP5599976B2 (ja) 2014-10-01
DE102008005403A1 (de) 2009-07-23
US20140216972A1 (en) 2014-08-07
JP2009173346A (ja) 2009-08-06
CN101492107B (zh) 2012-07-04
ES2387598T3 (es) 2012-09-27

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