EP2452887B1 - Doppelwandiger Isolierbecher aus Papiermaterial und Verfahren zum Herstellen eines doppelwandigen Isolierbechers - Google Patents

Doppelwandiger Isolierbecher aus Papiermaterial und Verfahren zum Herstellen eines doppelwandigen Isolierbechers Download PDF

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Publication number
EP2452887B1
EP2452887B1 EP11185844.5A EP11185844A EP2452887B1 EP 2452887 B1 EP2452887 B1 EP 2452887B1 EP 11185844 A EP11185844 A EP 11185844A EP 2452887 B1 EP2452887 B1 EP 2452887B1
Authority
EP
European Patent Office
Prior art keywords
outer sleeve
inner cup
cup
peripheral edge
edge frame
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
EP11185844.5A
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German (de)
English (en)
French (fr)
Other versions
EP2452887A1 (de
Inventor
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
Application filed by PTM Packaging Tools Machinery Pte Ltd filed Critical PTM Packaging Tools Machinery Pte Ltd
Priority to PL11185844T priority Critical patent/PL2452887T3/pl
Publication of EP2452887A1 publication Critical patent/EP2452887A1/de
Application granted granted Critical
Publication of EP2452887B1 publication Critical patent/EP2452887B1/de
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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
    • 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
    • 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

Definitions

  • the invention relates to a double-walled insulating cup made of paper material, such as paper or cardboard, with an inner cup, wherein the inner cup has a generally frusto-conical wall and a cup-shaped bottom, wherein the wall and the bottom are connected to each other by means of a bottom frame, and with an outer sleeve, wherein the inner cup has an upper shoulder in an upper half of the inner cup and a lower shoulder in a lower half of the inner cup, wherein on the upper shoulder an outer diameter of the inner cup, seen from the bottom of the inner cup to the upper edge of the inner cup, increases.
  • the invention also relates to a method for producing a double-walled insulating cup made of paper material.
  • the insulating cup has an outer sleeve with also frusto-conical wall.
  • the outer sleeve abuts above the upper shoulder on the outer wall of the inner cup and below the lower shoulder also on the wall of the inner cup.
  • a curling rolled up towards the inner cup may be provided in order to increase a distance between inner cup and outer sleeve in this area.
  • EP 1 785 265 is a double-walled insulating cup known.
  • a double-walled insulating cup made of a paper material and a method for producing a double-walled Isolierbechers be improved.
  • an increased distance between inner cup and outer sleeve can be achieved, resulting in an improved insulation effect.
  • the appearance of the cup is improved because the outer shell now extends to the lower edge of the bottom frame and thus the bottom frame and the floor are no longer visible from the outside. At the same time a printable area of the outer shell is thereby increased.
  • a stability of the cup in particular a stability of the bottom frame can be increased, since the bottom frame is stiffened by the fact that the outer casing rests against this at least in the region of the lower edge of the bottom frame.
  • an improved state of the cup can be achieved because there is more moldable material in the footprint and the footprint of the cup is increased.
  • the insulating cup according to the invention is still stackable in the granted manner on the bottom frame.
  • the outer sheath rests against the outside of the bottom frame, the outer sheath can be used with for destacking, so that the bottom frame does not have to be expanded or not so strong.
  • the double-walled insulating cup according to the invention is easier to produce compared to known insulating cups, since the outer jacket no longer has to slide with its narrow end over the outer edge of the bottom frame, but can directly rest against it. This facilitates the production of the Isolierbechers and in particular the pushing of the outer shell on the inner cup considerably.
  • the outer casing is folded around the lower edge of the floor frame.
  • the outer shell can be attached to the floor frame in a simple and very stable manner.
  • a footprint of the Isolierbechers is thereby formed by means of the lower edge of the outer shell. Such a footprint is greater than the lower edge of the bottom frame alone, so that an improved stability is achieved.
  • the outer jacket is connected to an inner side of the floor frame with this.
  • the connection of the outer shell with the bottom frame can be made invisible from the outside.
  • the outer jacket is sealed to the inside of the bottom frame or glued to it. On the outside then only the outer shell can be seen, which extends to the lower edge of the cup.
  • the outer shell does not have to rest on an outer side of the bottom frame, so that a very shapely cup results from the fact that the truncated cone shape of the outer shell is not interrupted from its upper end below a mouth roll to the lower end.
  • Such an outer jacket can also be printed in a simple manner.
  • the outer jacket is connected to the inner cup in the region of the upper shoulder.
  • the outer shell has a truncated cone shape and extends from an underside of a mouth roll on the inner cup to a lower edge of the bottom frame.
  • a very shapely insulating cup which has the outer roll of the inner cup and below the mouth roll at the top of the outer shell.
  • the outer shell has a continuous truncated cone shape, which extends to the lower edge of the cup.
  • the outer shell is at least partially in an abutment area flat against the floor frame, wherein the contact area extending from the lower edge of the floor frame upwards.
  • the outer shell can be very securely connected by the flat system with the bottom frame.
  • the planar contact of the outer jacket can either be on an outer surface of the bottom frame or, after folding the outer jacket, on an inner side of the bottom frame.
  • a combination of outer shell and bottom frame is carried out by heat sealing or adhesive, for example by means of hot melt adhesive.
  • an outer diameter of the outer jacket in a retracted area above the contact area tapers more than a truncated cone shape of the outer jacket above the retracted area.
  • an inner and outer diameter of the outer shell above the region in which the outer jacket rests against the outside of the bottom frame be more tapered, as dictated by the truncated cone shape of the outer shell.
  • a comparatively large distance between outer shell and inner cup can be maintained until just above the contact area, which ensures a good insulation effect.
  • the outer shell is in a region of surface on the inner cup, which extends from the upper shoulder of the inner cup to an underside of a mouth roll at the upper end of the inner cup.
  • the outer sheath can be very securely attached to this in the upper region of the inner cup.
  • the upper shoulder can mark a level mark for the cup, so that usually no fluid can be found above the upper shoulder anyway, so that in this area, the reduced insulation effect is not detrimental due to the lack of air gap between the outer shell and inner cup.
  • the problem underlying the invention is also solved by a method according to claim 8 for producing a double-walled Isolierbechers of a paper material.
  • the outer shell is already formed from a circular segment-shaped blank to a frusto-conical sleeve and is pushed in this frusto-conical state from the bottom of the inner cup, the production of the Isolierbechers can be facilitated. Above all, the attachment of the outer shell is facilitated because the narrow end of the inner cup does not have to slide over the bottom frame, but the narrow end of the outer shell is attached to the bottom frame of the inner cup itself. The narrow end of the outer shell and the bottom frame are easily accessible.
  • the fastening of the narrow end of the outer shell to the floor frame by means of folding the narrow end to a lower edge of the floor frame.
  • the outer shell is pushed onto the inner cup until a lower edge of the outer shell is at the level of a lower edge of the bottom frame and attaching the narrow end of the outer shell to the bottom frame by means Connecting an inner surface at the lower edge of the outer shell with an outer surface of the bottom frame.
  • the outer sheath can be securely fastened to the floor frame without requiring the turning of the narrow end of the outer sheath around the floor frame.
  • the presentation of the Fig. 1 shows in a sectional view a double-walled insulating cup 10 according to a first embodiment of the invention.
  • the insulating cup 10 is provided with an inner cup 12 defining a fillable interior 14 and having a generally frusto-conical wall 16 and a bottom 18.
  • the bottom 18 has a cup shape and is, facing away from the interior 14 with its open side, inserted into the lower, narrow end of the frusto-conical wall 12.
  • the wall 16 and the bottom 18 are connected to each other by means of a peripheral floor frame 20.
  • the formation of the circumferential floor frame 20 can be seen.
  • the lower end of the frusto-conical wall 12 is wrapped around a lower end of the pot edge of the bottom 18 and both the in Fig. 2 right outside of the edge of the bottom 18 adjacent section of the wall 12 and the in Fig. 2 left inside section of the wall 12 are connected to the edge of the bottom 18 and thereby form the bottom frame 20.
  • a connection can be made for example by heat sealing.
  • To the paper material For example, cardboard or thick paper, of which the bottom 18 and the wall 12 are made to protect against the ingress of liquid, at least the inside of the wall 12 and the top of the bottom 18 are provided with a heat-sealable plastic layer. After turning over the lower edge of the wall 12 around the edge of the floor, as in Fig. 2 is shown, then the wall 12 can be sealed on one side or both sides of the edge of the cup-shaped bottom 18.
  • the bottom frame 20 is exposed to a central longitudinal axis 22 of the Isolierbechers 10 slightly outward. From the inner space 14 delimiting portion of the bottom 18 to the lower edge of the bottom frame, therefore, the diameter of the inner cup 12 slightly widens.
  • the inner cup 12 has a circumferential lower shoulder 24 in a lower half of the inner space 14 of the inner cup 12 and a peripheral upper shoulder 26 in an upper half of the inner space 14 of the inner cup 12.
  • the inner cup 12 is further provided at its upper, wide end with a circumferential mouth roll 28.
  • the circumferential top shoulder 26 may serve as a fill mark to indicate a correct level of liquid in the interior space 14.
  • the inner diameter of the inner cup 12 initially widens in a region 30, followed by a cylindrical region 32 as far as the peripheral shoulder 24.
  • the inner diameter of the inner cup 12 increases suddenly.
  • the wall 16 of the inner cup 12 extends at a constant cone angle to the upper shoulder 26.
  • the upper shoulder 26 extends the diameter of the wall 16 of the inner cup 12 again abruptly, then again assume a constant cone angle between the upper shoulder 26 and the underside of the mouth roll 28, which is slightly less than the cone angle between the lower shoulder 24 and the upper shoulder 26.
  • circumferential shoulder 24 serves as a means for holding a stacked cup, as described below with reference to the Fig. 4 is explained.
  • the upper shoulder 26 is provided to form an air gap with an insulating effect between an outer jacket 34 and the wall 16 of the inner cup 12.
  • the outer shell 34 has a truncated cone shape, its cone angle is constant from its upper edge 40, which rests against an underside of the mouth roll 28, to the lower edge of the bottom frame 20 towards.
  • the cone angle of the outer jacket 34 corresponds in the illustrated embodiment, the cone angle of the wall 16 of the inner shell 12 between the lower shoulder 24 and the upper shoulder 26, so that between the lower shoulder 24 and the upper shoulder 26, an air gap between inner cup 12 and outer shell 34 a has constant width.
  • the outer casing 34 is folded over around the lower edge of the bottom frame 20, and a circumferential region 36 of the outer casing 34 lies flat on an inner side of the bottom frame 20.
  • This region 36 is shorter than the bottom frame 20.
  • the region 36 is flat against the bottom frame 20 and may be additionally connected thereto, for example by heat sealing, glue, hot melt adhesive or the like.
  • the outer jacket 34 forms a base for the insulating cup 10 in the region of its lower edge 38.
  • the outer jacket 34 bears against the wall 16 of the inner cup 12. In this area, if this is necessary for reasons of stability, the outer jacket 34 may be connected to the inner cup 12, for example by heat sealing, glue or hot melt adhesive. Due to the between the upper shoulder 26 and the mouth roll 28 slightly larger cone angle of the outer shell 34 compared to the cone angle of the inner cup 12 in this area, the outer shell 34 is again slightly below the mouth roll 28 slightly spaced from the inner cup 12. As in Fig. 1 can be seen, the outer sheath 34 has a constant cone angle from its upper end below the mouth roll 28 to the lower edge 38. Outer jacket 34 thereby provides a smooth, easily printable area over substantially the entire height of the cup.
  • the presentation of the Fig. 4 shows sections of two stacked double-walled insulating cup 10 and 10A.
  • the in Fig. 4 Upper insulating cup 10A is located at its lower edge, which is defined by the edge 38A of its folded outer shell 34A, on the circumferential lower shoulder 24 on the inner cup 12 of the lower insulating cup 10. Since the outer jacket 34A abuts the outside of the bottom frame 20A and is then unbeaten around the lower edge of the bottom frame 20A, the bottom frame 20A has to be expanded less extensively, as would be the case without the outer jacket 34A to still be able to safely stack on the lower shoulder 24 of the lower cup 10.
  • An outer diameter of the outer shell 34A at its lower edge 38A is slightly smaller than an inner diameter of the inner cup 12 immediately above the lower shoulder 24 but larger than an inner diameter of the inner cup 12 immediately below the lower shoulder 24.
  • the lower edge 38A of the upper cup 10A passes through at least in sections on the lower shoulder 24 of the lower cup 10, so that a safe stacking of numerous cups 10, 10A is possible.
  • the outer shell 34A of the upper cup 10A is still slightly spaced from the inner wall 16 of the lower cup 10, so that when stacking and unstacking the cups 10, 10A, an air balance can take place and the cups 10, 10A are not stuck together.
  • this lower edge 38A is stabilized not only by the bottom frame 20A but additionally by the outer jacket 34A. Compared to conventional cups, it is therefore possible to reduce the material thickness of outer sheath 34A, bottom 18A and wall 16A and still maintain sufficient stability in this lower region.
  • FIG. 4 it can be seen, extend the wall 16 of the inner cup 12 of the lower insulating cup 10 and the outer jacket 34A of the upper Isolierbechers 10A above the lower shoulder 24 parallel to each other and at a small distance from each other.
  • FIG. 5 shows the two nested insulating cups 10A and 10 in an upper area. It can be seen that the outer jacket 34A of the upper cup 10A and the wall 16 of the inner cup 12 of the lower cup 10 only to the upper shoulder 26 of the lower Isolierbechers 10 parallel to each other.
  • the outer shells 34A and 34 are made of slightly thinner paper material than the respective inner cups 12A, 12.
  • the representations of the Fig. 6 and Fig. 7 show a sectional views of a double-walled Isolierbechers 50 according to the invention according to another preferred embodiment of the invention.
  • the insulating cup 50 differs only in a few features of the insulating cup 10 of Fig. 1 so that only the distinguishing features will be explained below.
  • the insulating cup 50 has an inner cup 12 which is identical to the inner cup 12 of the insulating cup 10 Fig. 1 is trained.
  • the outer jacket 52 is retracted above its lower edge 54 in a region 56, so that a larger cone angle is present in the region 56 than between the region 56 and the upper edge 40 of the outer jacket 52.
  • the upper edge 40 it follows the area 56 a contact area 58, in which the outer shell 52 rests flat against the outside of the bottom frame 20 of the inner cup 12.
  • the lower end of the outer jacket 52 is wrapped around the bottom frame 20 so that an area 60 of the outer jacket 52 rests flat on an inner side of the bottom frame 20 again.
  • the outer shell 52 may be connected to the bottom frame 20, for example by heat sealing, glue or hot melt adhesive.
  • FIG. 8 shows sections of two stacked double-walled Isolierbecher 50 and 50A.
  • 10A in Fig. 4 For example, a radially outboard portion of the lower edge 54A of the outer jacket 52A of the upper cup 50A is used to seat on the lower shoulder 24 of the lower cup 50 thereby transmitting the stacking forces.
  • the presentation of the Fig. 9 shows in sections a double-walled insulating cup 60 according to another preferred embodiment of the invention.
  • the insulating cup 60 differs only slightly from the insulating cup 50 of Fig. 6 so that only the distinguishing features will be explained below.
  • an outer sheath 62 of the Isolierbechers 60 is not folded around the lower edge of the bottom frame 20, but ends at the level of the lower edge of the bottom frame 20.
  • the outer sheath 62 is also provided with a retracted portion 56 and a portion 58, the surface of a Outside of the bottom frame 20 is present. In this area on the outside of the bottom frame adjacent area 58 of the outer jacket 62 may be connected to the bottom frame 20, for example by heat sealing, glue or hot melt adhesive.
  • FIG. 10 shows sections of two stacked insulation cups 60, 60A. Stacking now takes place in that the lower edge of the outer jacket 62A of the upper cup 60A is seated on the lower shoulder 24 of the lower cup 60.
  • FIG. 11 shows sections of the insulating cup 60 of Fig. 9 in an upper area. It can be seen that the outer jacket 62 abuts flat in an area between the upper shoulder 26 and the mouth roll 28 of the inner cup 12 on an outer side of the inner cup 12. An upper edge 64 of the outer shell 62 is clamped between the mouth roll 28 and the wall 16 of the inner cup 12 and thereby fixed in position. If, nevertheless, an additional fixation of the outer jacket 62 on the inner cup 12 is desired, this fixation can be effected by means of heat sealing, glue or hotmelt adhesive in a region directly at or above the upper shoulder 26. In this area outer jacket 62 and wall 16 of the inner cup 12 are firmly against each other.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Stackable Containers (AREA)
  • Table Devices Or Equipment (AREA)
EP11185844.5A 2010-11-16 2011-10-19 Doppelwandiger Isolierbecher aus Papiermaterial und Verfahren zum Herstellen eines doppelwandigen Isolierbechers Active EP2452887B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11185844T PL2452887T3 (pl) 2010-11-16 2011-10-19 Izolowany kubek z podwójnymi ściankami z tworzywa papierniczego oraz sposób wytwarzania izolowanego kubka z podwójnymi ściankami

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010044005A DE102010044005A1 (de) 2010-11-16 2010-11-16 Doppelwandiger Isolierbecher aus Papiermaterial und Verfahren zum Herstellen eines doppelwandigen Isolierbechers

Publications (2)

Publication Number Publication Date
EP2452887A1 EP2452887A1 (de) 2012-05-16
EP2452887B1 true EP2452887B1 (de) 2014-04-30

Family

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Family Applications (1)

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EP11185844.5A Active EP2452887B1 (de) 2010-11-16 2011-10-19 Doppelwandiger Isolierbecher aus Papiermaterial und Verfahren zum Herstellen eines doppelwandigen Isolierbechers

Country Status (5)

Country Link
US (1) US8875986B2 (ru)
EP (1) EP2452887B1 (ru)
DE (1) DE102010044005A1 (ru)
EA (1) EA201171249A3 (ru)
PL (1) PL2452887T3 (ru)

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JP2014091557A (ja) * 2012-11-05 2014-05-19 Tokan Kogyo Co Ltd 紙容器、紙容器部品加工装置、および紙容器部品加工方法
US9290312B2 (en) 2013-08-14 2016-03-22 Dart Container Corporation Double-walled container
CN105947343A (zh) * 2016-06-21 2016-09-21 丁椒平 一种纸杯及其加工工艺
TWI631052B (zh) * 2017-11-15 2018-08-01 安捷企業股份有限公司 捲邊雙層杯及其製法
IT201800011066A1 (it) * 2018-12-13 2020-06-13 F Ceredi S P A Contenitore impilabile, corpo a tazza e camicia per tale contenitore
US11760529B2 (en) 2019-04-05 2023-09-19 Huhtamaki, Inc. Container and bottom end construction therefor
DE102021208450A1 (de) 2021-08-04 2023-02-09 Michael Hörauf Maschinenfabrik Gmbh Und Co. Kg Becher aus Papier oder papierähnlichem Material

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CA1007182A (en) 1973-02-07 1977-03-22 Robert H. Day Cups for holding ingredients for drinks
US5226585A (en) * 1991-11-19 1993-07-13 Sherwood Tool, Inc. Disposable biodegradable insulated container and method for making
US5460323A (en) * 1995-01-10 1995-10-24 California Environmental Cup, Inc. Disposable insulated container
US5660326A (en) * 1995-08-18 1997-08-26 Sherwood Tool Incorporated Multi-layered insulated cup formed from folded sheet
JPH10278931A (ja) 1997-04-07 1998-10-20 Jujo Central Kk 二重容器
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DE102004056932B4 (de) * 2004-11-22 2022-07-28 Ptm Packaging Tools Machinery Pte. Ltd. Doppelwandiger Pappbecher und Verfahren zum Herstellen eines doppelwandigen Pappbechers
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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
DE102008026984A1 (de) * 2008-05-28 2009-12-03 Ptm Packaging Tools Machinery Pte.Ltd. Außenmantel für einen doppelwandigen Becher und Verfahren zum Herstellen

Also Published As

Publication number Publication date
EA201171249A2 (ru) 2012-08-30
EP2452887A1 (de) 2012-05-16
US8875986B2 (en) 2014-11-04
DE102010044005A1 (de) 2012-05-16
PL2452887T3 (pl) 2014-10-31
US20120118944A1 (en) 2012-05-17
EA201171249A3 (ru) 2012-12-28

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