EP2965898A1 - Herstellungsverfahren des Bodens eines Pappbechers oder Ähnlichem - Google Patents

Herstellungsverfahren des Bodens eines Pappbechers oder Ähnlichem Download PDF

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Publication number
EP2965898A1
EP2965898A1 EP14306109.1A EP14306109A EP2965898A1 EP 2965898 A1 EP2965898 A1 EP 2965898A1 EP 14306109 A EP14306109 A EP 14306109A EP 2965898 A1 EP2965898 A1 EP 2965898A1
Authority
EP
European Patent Office
Prior art keywords
cup
lower portion
cardboard
manufacturing
bucket
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.)
Withdrawn
Application number
EP14306109.1A
Other languages
English (en)
French (fr)
Inventor
Anthony Jenner
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP14306109.1A priority Critical patent/EP2965898A1/de
Publication of EP2965898A1 publication Critical patent/EP2965898A1/de
Withdrawn legal-status Critical Current

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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
    • B65D3/12—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
    • 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

Definitions

  • the present invention relates to a method of manufacturing a cup made of cardboard or the like (eg hard paper) for use in automated beverage dispensing machines, in which the cups are stacked by type of beverage, a powdery product and or lyophilized being predisposed in a lower compartment.
  • the invention relates more specifically to the manufacture of the bottom of such cups, which is in practice always one of the walls defining said compartment.
  • the invention is finally generalized to containers of various shapes, the aforementioned cup being used as a preferred example in the following, for explanatory purposes.
  • the lower compartments of the cups are in most cases not closed by a sealed operculum hermetically closing said compartments in order to maintain the taste qualities of the product, as is the case in the cups.
  • manual use for example distributed by hostesses to serve hot drinks in airplanes.
  • the machine operates from stacks of nested cups that must be filled with liquid soon after unstacking, and this in the easiest way possible.
  • the cups are designed so that once stacked, a closed space is preserved between the funds of two successive cups, realizing the compartment.
  • the shape of the cups can allow, at the time of nesting, the preservation of the space used for storing the product.
  • a frustoconical shape cooperating with a straight cylindrical cup base or a shoulder may be suitable to ensure an adequate distance between the bottoms of two successive nested cups.
  • the interlocking must be sufficiently firm when stacking the cups so that the stacks of cups can be handled as such in the machine and especially that the compartments formed between the cups remain sealed. This sealing must even be double: prevent the product from escaping and, to a lesser extent, preserve the qualities of the product particles for consumption (taste, flavor ..).
  • the nature of the products contained in the compartments is not unrelated to the problems encountered, that is to say the mechanical difficulties of unstacking. They can indeed have a texture, and in particular a particle size, different according to the drinks to consume: thus, coffee granules freeze-dried do not have the same behavior as ground tea leaves or herbal tea, these two products being themselves very different from a lyophilized soup, etc.
  • the finer particles can easily become trapped between the outer wall of the base of the top cup when it fits into contact with the inner wall of the base of the lower cup, creating the retention compartment of the freeze-dried product. Depending on their hardness, abrasive power, etc ..., these particles can at any time seize the bond, and prevent unstacking of the lower cup.
  • the manufacturing method of the present invention more particularly centered on the zone located in the vicinity of the bottom of the cups, which therefore affects the production of the compartments, proposes a solution modifying the approach that has hitherto been creation of nested cup compartments.
  • the folding of the fraction of the lower portion of the cup takes place at the free edge of the bucket. This is the most natural configuration, as it optimizes the mechanical characteristics of the peripheral wall of the base and it allows optimal volume management of the compartment, as will be seen later.
  • the stamping is performed so as to fold the wall of the bucket at the folded free edge of the lower portion.
  • the two folding operations then allow to reach a maximum volume of the compartment.
  • the bottom of the cup after stamping is preferably at a distance from the free edge of the base of between 0.1 and 1 mm.
  • the wall of the cup and its bottom to be connected by a portion having a radius of curvature of between 2 and 4 mm.
  • the cylinder of the lower portion has a flare at an angle between 0 ° and 5 °, obtained by a radial expansion of the punch which carries out stamping.
  • the base of the cup remains in fact of cylindrical shape.
  • the cup (1) is in progress, the final bottom to be obtained from a cup (2) (shown in gray in the enlargement) positioned inversely (bottom (8) at the top) and the peripheral wall (12) fits inside the peripheral wall of a lower portion (5) of the cup (1). It comprises two portions, a first frustoconical portion (3) developing towards the upper opening (4) and said lower portion (5) which is generally a right circular cylinder and which has already been subjected to figure 1 folding along the free edge (6) of the inverted cup (2).
  • the fold (7) resulting therefrom is therefore the lower edge of the base of the cup (1), base which then comprises three layers superimposed in a radial direction, making it mechanically much more robust.
  • the fold or lower edge of the base (7) is made at and in contact with the free edge (6) of the inverted cup (2).
  • the folding height is greater than d / 2, where d is the wall height (12) of the inverted cup (2), that is the distance between the wall constituting the bottom (8) of the inverted cup (2) and its free edge (6).
  • said bottom (8) is stamped in the axial direction F so as to lead to the configuration shown in FIG. figure 2 , and in particular in the enlarged detail of this figure.
  • the stamping results in a further folding, around the free edge (9) already folded of the lower portion (5) of the cylindrical cup (1).
  • the folded section (10) of said lower portion (5) that is to say that which is delimited by the fold (7) on the one hand and the free edge (9) on the other hand, present in the In this case, the length (8) is now arranged in close proximity to the fold (7), providing a compartment of maximum volume.
  • the stamping operation is facilitated by the rounded portion (13) connecting the peripheral wall (12) of the cup (2) and its bottom (8), which is in fact also the bottom (8) of the cup (1).
  • the stamping is performed by a punch which moves first axially, that is to say along the axis of the cup (1), axial displacement which is followed in most cases by an expansion radial around the entire periphery of said punch.
  • the flare angle of the base can then be between 0 ° and 5 °.
  • the stacking or stacking of the cups (1) also appears in figure 2 , and clearly shows that the new fold (11) made at the time of stamping actually creates a shoulder, that is to say a stop, the fold (7) or free edge of the base of the cup (1) upper contacting the fold (11) of the lower cup (1).
  • This is not enough to ensure all the mechanical functions required for the stacking: it is also necessary, to ensure the mechanical strength of a stack of cups (1), that the radial adjustment between the cups (1), that is to say in this case the outer face of the lower portion (5) of the upper cup (1) and the inner face of the lower part of the frustoconical portion (3) of the cup (1) lower, relatively tight.
  • the invention is not limited to the example which is shown via the figures appended to the description, it also encompasses the shape variants resulting for example from a folding which would not be performed at the level of the free edges (6). and (9), or a non-revolution geometry of the cup that would lead to a non-circular cross-section container, etc. It also comprises a variant according to which a flat seal is sealed on the new ply (11), which then serves as a range or weld flange for fixing said seal.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Stackable Containers (AREA)
EP14306109.1A 2014-07-07 2014-07-07 Herstellungsverfahren des Bodens eines Pappbechers oder Ähnlichem Withdrawn EP2965898A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14306109.1A EP2965898A1 (de) 2014-07-07 2014-07-07 Herstellungsverfahren des Bodens eines Pappbechers oder Ähnlichem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14306109.1A EP2965898A1 (de) 2014-07-07 2014-07-07 Herstellungsverfahren des Bodens eines Pappbechers oder Ähnlichem

Publications (1)

Publication Number Publication Date
EP2965898A1 true EP2965898A1 (de) 2016-01-13

Family

ID=51211158

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14306109.1A Withdrawn EP2965898A1 (de) 2014-07-07 2014-07-07 Herstellungsverfahren des Bodens eines Pappbechers oder Ähnlichem

Country Status (1)

Country Link
EP (1) EP2965898A1 (de)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19741859A1 (de) * 1997-09-23 1999-04-01 Hoerauf Michael Maschf Dose und Vorrichtung zum Herstellen der Dose
WO2002047523A1 (fr) * 2000-12-14 2002-06-20 Dai Nippon Printing Co., Ltd. Gobelet en papier compatible avec les fours a micro-ondes et son procede de fabrication
WO2002074659A1 (fr) * 2001-03-19 2002-09-26 Dai Nippon Printing Co., Ltd. Gobelet en papier pour four à micro-ondes, gobelet en papier passant au four à micro-ondes et procédé de production du même
EP2008949A1 (de) * 2007-06-29 2008-12-31 Ernest Jenner Becher mit Fach in Form einer umgekehrten Schale
JP2009202951A (ja) * 2009-06-16 2009-09-10 Nissin Foods Holdings Co Ltd 電子レンジ用紙製容器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19741859A1 (de) * 1997-09-23 1999-04-01 Hoerauf Michael Maschf Dose und Vorrichtung zum Herstellen der Dose
WO2002047523A1 (fr) * 2000-12-14 2002-06-20 Dai Nippon Printing Co., Ltd. Gobelet en papier compatible avec les fours a micro-ondes et son procede de fabrication
WO2002074659A1 (fr) * 2001-03-19 2002-09-26 Dai Nippon Printing Co., Ltd. Gobelet en papier pour four à micro-ondes, gobelet en papier passant au four à micro-ondes et procédé de production du même
EP2008949A1 (de) * 2007-06-29 2008-12-31 Ernest Jenner Becher mit Fach in Form einer umgekehrten Schale
JP2009202951A (ja) * 2009-06-16 2009-09-10 Nissin Foods Holdings Co Ltd 電子レンジ用紙製容器

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