EP2778084A1 - Récipient pour denrées alimentaires comprenant un gobelet intérieur et une manchette de renforcement, gobelet intérieur pour de tels récipients, et procédé de fabrication de tels récipients - Google Patents

Récipient pour denrées alimentaires comprenant un gobelet intérieur et une manchette de renforcement, gobelet intérieur pour de tels récipients, et procédé de fabrication de tels récipients Download PDF

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Publication number
EP2778084A1
EP2778084A1 EP13001236.2A EP13001236A EP2778084A1 EP 2778084 A1 EP2778084 A1 EP 2778084A1 EP 13001236 A EP13001236 A EP 13001236A EP 2778084 A1 EP2778084 A1 EP 2778084A1
Authority
EP
European Patent Office
Prior art keywords
cup
container
container according
edge
sealing flange
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Withdrawn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
EP13001236.2A
Other languages
German (de)
English (en)
Inventor
Jürgen Singer
Rene Schmidt
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.)
OPTIPACK GmbH
Original Assignee
OPTIPACK GmbH
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 OPTIPACK GmbH filed Critical OPTIPACK GmbH
Priority to EP13001236.2A priority Critical patent/EP2778084A1/fr
Publication of EP2778084A1 publication Critical patent/EP2778084A1/fr
Withdrawn legal-status Critical Current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
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/22—Boxes or like containers with side walls of substantial depth for enclosing contents
    • B65D1/26—Thin-walled containers, e.g. formed by deep-drawing operations
    • 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
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/34—Coverings or external coatings
    • B65D25/36—Coverings or external coatings formed by applying sheet material

Definitions

  • the invention relates to a container for receiving liquid or pasty food with an inner cup of a material that inhibits the passage of the food material, such as plastic, which extends from a cup opening surrounding the upper cup edge over a container axis rotating cup wall toward a cup bottom and a reinforcing sleeve of a stabilizing material, such as paper or paperboard, at least partially encircling the cup wall, an inner cup for such a container, and a method for producing such containers.
  • a stabilizing material such as paper or paperboard
  • Container of the type described above are, for example.
  • dairy products such as milk, yogurt, cream cheese u.
  • dairy products such as milk, yogurt, cream cheese u.
  • containers were made of waxed paper.
  • the moisture resistance of this waxed paper has proved to be insufficient. This is especially true for the transition between the container bottom and the container shell.
  • plastic cups were used, which can be prepared, for example. In the deep drawing process. Such plastic cups are completely liquid-tight. To obtain the stability required for the safe transport and the reliable storage of food, however, such plastic cups must be designed with a considerable wall thickness. With a view to the problematic disposal of plastic material and the energy required to produce appropriate plastics, the production of corresponding containers with large plastic wall thicknesses is disadvantageous.
  • containers of the type described above have been developed, which are formed from a composite of thin-walled plastic cups to obtain the desired tightness and cardboard or paper to obtain the necessary stability.
  • the necessary durability is ensured by closing the container in the cup opening.
  • a sealing foil can be sealed onto a sealing flange surrounding the cup opening.
  • the prefabricated reinforcing collar is inserted into the thermoforming mold in such a manner that the upper and the lower edge of the sleeve are covered by the plastic material of the inner cup in the course of the deep-drawing process.
  • in-mold labeling because the used for labeling the container cuffs are inserted into the thermoforming mold.
  • prefabricated reinforcing sleeves are pushed onto prefabricated inner cup, wherein an upper edge of the reinforcing collar abuts against the sealing flange, which forms a stop for pushing on the reinforcing collar, and a lower edge of the reinforcing collar abuts against a circumferential shoulder of the inner cup.
  • an upper edge of the reinforcing collar abuts against the sealing flange, which forms a stop for pushing on the reinforcing collar
  • a lower edge of the reinforcing collar abuts against a circumferential shoulder of the inner cup.
  • the invention has for its object to provide containers for receiving liquid or pasty food, which allow for ensuring adequate stability and avoid excessive use of plastic material improved protection against damage in the area applied to the upper cup rim cover.
  • this object is achieved by a development of the known container, which is characterized essentially in that the reinforcing sleeve has a projecting in a direction away from the cup bottom direction over the upper edge of the cup extending supernatant.
  • the supernatant forms a protection for the applied on the upper edge of the cup cover. It has been found that a restriction of the accessibility of the covering device in the radial direction allows an improvement of the protective effect, without thereby affecting the tightness of the container or the container stability. In this case, this protective effect can be achieved without the use of questionable plastics, if only the reinforcing sleeve extends beyond the upper edge of the cup.
  • inventive container As the above explanation of inventive container is already apparent, it has proved to be particularly useful in the context of the invention, when a respect.
  • the upper cup rim festlegbare cover device is provided, said cover on a peripheral edge of the cup and preferably in an approximately is sealed perpendicular to the cup axis extending plane radially outwardly extending sealing flange.
  • the inner cup can be made of a thin-walled plastic material, wherein the desired stability is achieved by the reinforcing collar.
  • the desired stability is achieved by the reinforcing collar.
  • This reinforcing bottom like the reinforcing sleeve, may be formed from paper, paperboard or the like.
  • the axial height of the supernatant above the cup rim may be 2 mm or more, more preferably 5 mm or more, especially 7 mm or more.
  • the axial height of the supernatant preferably 30 mm or less, more preferably 25 mm or less, esp. 20 mm or less, on.
  • At least sectionally conically tapered, particularly preferably truncated cone-shaped, reinforcing collar does not abut the entire surface of the inner cup. Rather, there are two, three or more axially spaced abutment areas on which the reinforcing collar rests against the inner cup, wherein between these investment areas cavities may be formed, which may be used, for example, for isolation purposes.
  • one of the abutment regions is formed by the outer edge of the sealing flange which extends radially outward from the wall of the cup.
  • the cup wall starting from a radially inner edge of the sealing flange in the direction of the cup bottom first about a chamber portion approximately parallel to the container axis or radially extending to be executed, then in a in towards to pass over the tank bottom rejuvenating rejuvenation area.
  • the reinforcing collar which bears against the outer edge of the sealing flange can abut the entire surface of the conically tapering tapered region.
  • the containers are preferably in the form of so-called.
  • Container rods in which a plurality of similar containers are nested, delivered, isolated, filled and then closed with the cover.
  • the formation of container rods can be facilitated if the cup wall, starting from the lower edge of the tapering region, merges into the container bottom via a support region extending radially inwardly with respect to the container axis and a preferably approximately conically widening transition region.
  • a close contact of the lateral surfaces nested container can be prevented while avoiding excessive radial clearance when the perimeter of the inserted container in a radial section plane at the axial height of the sealing flange of the receiving container corresponds approximately to the contour of the radially inner edge of the sealing flange.
  • a distance facilitating the separation of the containers is secured between the reinforcing collar of the inserted container and the transitional area of the receiving container, whereby the reinforcing collar of the inserted container reaches this minimum distance in Appendix reaches the radially inner edge of the sealing flange.
  • a certain clearance between the radially inner edge of the sealing flange and the reinforcing sleeve of the inserted container to prevent a clamping action can be provided.
  • a first cavity surrounding the cup axis in the axial direction between the sealing flange and the upper edge of the tapering region and / or a second cavity surrounding the container axis can be formed in the axial direction between the supporting region and the cup base ,
  • the lower edge of the reinforcing collar may be folded back upon itself to form a downwardly bent edge of the reinforcing bottom receiving groove.
  • An inner cup according to the invention for the production of containers according to the invention is characterized essentially in that it extends from the inner edge of a radially outwardly extending sealing flange in the direction of a cup base approximately parallel to the cup axis or expanding chamber region, one in the direction of the cup bottom has subsequent tapering region and preferably a support region over which the rejuvenation region optionally passes over a transition region into the cup bottom.
  • cups according to the invention can also be made by slipping a prepared reinforcing sleeve with reinforcing bottom already attached to an inner cup, it has proved to be particularly useful to prevent damage to the sealing flange when a blank of a stabilizing material forms an over the top of a Inner cup outwardly extending supernatant is a reinforcing sleeve forming around the inner cup is wound.
  • the reinforcing sleeve thus formed can be completed by connecting, in particular glued, overlapping edges of the blank wound around the inner cup.
  • a lower edge of the blank projecting beyond the cup bottom can be folded back onto itself to form a groove receiving a downwardly bent edge of a reinforcing floor.
  • the in Fig. 1 container shown comprises a generally designated 10 reinforcing sleeve, which rotates a designated as a total of 30 inner cup and at its upper edge has a penetrated by a recess 16 approach 14. At its lower edge, the reinforcing collar 10 is folded back on itself to form a receiving groove 12. In the receiving groove 12 a downwardly bent edge 22 of a generally designated 20 reinforcing bottom is added. Reinforcement collar 10 and reinforcing bottom 20 may be the same or different be formed of different materials. Suitable materials for making the reinforcing collar 10 and / or the reinforcing bottom 20 are cardboard or paperboard.
  • the reinforcing collar 10 protrudes in the axial direction in a direction away from the reinforcing base 20 over the upper edge of the inner cup 30 and thus forms a projection 11.
  • a cup opening 34 surrounding sealing flange 32 is provided at the upper edge of the inner cup 30.
  • inner edge of the sealing flange 32 is followed by a cup wall 40, which merges into a cup bottom 60.
  • the sealing flange 32 extends radially outward from the upper edge of the inner cup 30 with respect to the container axis A and is preferably arranged approximately in a radial plane with respect to the container axis A.
  • the cup wall 40 has a chamber region 42 which widens approximately parallel to the container axis A or in the direction of the container bottom 60, which merges in the direction of the container bottom 60 into a tapering region 44 tapering in the direction of the container bottom 60 ,
  • the lower edge of the tapered region 44 merges into the cup base 60 via a radially inwardly extending support region 46 and a transition region 48.
  • a circumferential cavity 50 is formed between the chamber portion 42, the reinforcing collar 10 and the sealing flange 32 a the container axis A circumferential cavity 50 is formed.
  • a further cavity 52 is formed between the support region 46, the transition region 48 and the reinforcing collar 10.
  • the support region 46 comprises a first support ring extending radially inwards from the lower edge of the transition region 48 in the direction of the container axis A and extending over an approximately parallel to the container axis A in the direction of the cup bottom 60
  • Connecting region merges into a second, starting from the lower edge of the connecting portion radially inwardly toward the container axis A extending support ring.
  • the connection area forms a radial support of a container supported on the second support ring. This contributes to rod stability. Consequently, with the Supporting portion 46 reaches both an axial and a radial support nested container or inner cup 30.
  • the dimensions of the inner cup 30 are matched to the dimensions of the reinforcing collar 10 such that the self-folded lower edge of the reinforcing collar 10 of a container inserted in a uniform container is supported on the support portion 46 of the inner cup 30, while the perimeter of the reinforcing collar 10 of the inserted container at the level of the sealing flange 32 of the receiving cup about the contour of the inner boundary surface of the sealing flange 32 corresponds, so that the inserted container can be supported with its reinforcing collar 10 in the radial direction at the inner edge of the sealing flange 32 receiving container, wherein at the same time a predetermined distance d between the tapering portion 44 of the inner cup 30 of the receiving container and the reinforcing collar 10 of the container received is respected.
  • Fig. 4 may be sealed to the sealing flange 32 of the inner cup 30 serving as a cover sealer 70, which is equipped with a grip tab 72.
  • On the sealing plate 70 can also be clipped to protect the sealing plate 70 serving snap cover 80 which is detachably received in the space formed by the supernatant 11 above the sealing plate 70.
  • the gripping tab 72 of the sealing plate 70 is circumferentially spaced from the opening 16 in the extension 14 of the reinforcing collar 10.
  • the grip tab 72 is mounted in the circumferential direction approximately at the level of the opening 16. This makes it easier to grasp the gripping tab 72 because the gripping tab 72 would otherwise rest against the protrusion 11 of the reinforcing collar 10.
  • the overhang 11 of the reinforcing collar 10 provides protection for the sealing plate 70 sealed onto the sealing flange 32 by preventing access to the sealing plate 70 in the radial direction.
  • the invention is not limited to the embodiments explained with reference to the drawing. Rather, it is also intended to other embodiments in which the supernatant protrudes significantly higher above the inner cup, the supernatant any contours and / or openings or in the supernatant is a perforation, which facilitates the detachment of the reinforcing collar from the inner cup for the purpose of material separation.
  • the perforation or weakening can run in a horizontal or vertical direction.
  • it is particularly important that the width of the sealing flange is chosen to be particularly small in order to keep the space to be formed by the chamber as small as possible.
  • the width of the sealing edge may be 3 mm or less, especially 1.5 mm or less, more preferably 1 mm or less.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Closures For Containers (AREA)
  • Packages (AREA)
EP13001236.2A 2013-03-12 2013-03-12 Récipient pour denrées alimentaires comprenant un gobelet intérieur et une manchette de renforcement, gobelet intérieur pour de tels récipients, et procédé de fabrication de tels récipients Withdrawn EP2778084A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13001236.2A EP2778084A1 (fr) 2013-03-12 2013-03-12 Récipient pour denrées alimentaires comprenant un gobelet intérieur et une manchette de renforcement, gobelet intérieur pour de tels récipients, et procédé de fabrication de tels récipients

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13001236.2A EP2778084A1 (fr) 2013-03-12 2013-03-12 Récipient pour denrées alimentaires comprenant un gobelet intérieur et une manchette de renforcement, gobelet intérieur pour de tels récipients, et procédé de fabrication de tels récipients

Publications (1)

Publication Number Publication Date
EP2778084A1 true EP2778084A1 (fr) 2014-09-17

Family

ID=47915391

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13001236.2A Withdrawn EP2778084A1 (fr) 2013-03-12 2013-03-12 Récipient pour denrées alimentaires comprenant un gobelet intérieur et une manchette de renforcement, gobelet intérieur pour de tels récipients, et procédé de fabrication de tels récipients

Country Status (1)

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EP (1) EP2778084A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4245673A1 (fr) * 2022-03-18 2023-09-20 Bachmann Forming AG Emballage alimentaire et procédé de fabrication d'un emballage alimentaire

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2158118A (en) * 1936-11-30 1939-05-16 Swift & Co Container
FR1429168A (fr) * 1965-04-08 1966-02-18 Bordure pour verres à boisson
US3976795A (en) * 1971-12-25 1976-08-24 Nissin Shokuhin Kaisha, Ltd. Food self-contained in a cooking container and process for making the same
DE3326369A1 (de) 1982-08-10 1984-02-16 Sandherr Packungen AG, 9444 Diepoldsau Verfahren zur herstellung eines konischen kunststoffbehaelters mit einem nach aussen abstehenden oeffnungsrand durch tiefziehen
DE8601943U1 (de) * 1986-01-27 1986-03-27 Polarcup GmbH, 56859 Alf Dünnwandiger Behälter aus Kunststoff
DE29513093U1 (de) * 1994-11-15 1995-10-12 Born, Fred, 47198 Duisburg Verpackungsbehälter
US20020157984A1 (en) * 2001-03-05 2002-10-31 Brown Dean R. Container whose side wall includes a surface discontinuity to hold shrinkwrap thereto
EP0929455B1 (fr) 1996-09-26 2003-06-18 Sandherr Packungen Ag Procede pour fabriquer un pot d'emballage composite
CH693611A5 (de) 1999-10-07 2003-11-14 Sandherr Packungen Ag Konischer Verpackungsbehälter.
FR2903041A1 (fr) * 2006-07-03 2008-01-04 Europlastiques Soc Par Actions Procede de fabrication d'un contenant ou d'un couvercle pour un emballage
DE102011014844A1 (de) * 2011-03-23 2012-09-27 Optipack Gmbh Behälter mit Banderole

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2158118A (en) * 1936-11-30 1939-05-16 Swift & Co Container
FR1429168A (fr) * 1965-04-08 1966-02-18 Bordure pour verres à boisson
US3976795A (en) * 1971-12-25 1976-08-24 Nissin Shokuhin Kaisha, Ltd. Food self-contained in a cooking container and process for making the same
DE3326369A1 (de) 1982-08-10 1984-02-16 Sandherr Packungen AG, 9444 Diepoldsau Verfahren zur herstellung eines konischen kunststoffbehaelters mit einem nach aussen abstehenden oeffnungsrand durch tiefziehen
DE8601943U1 (de) * 1986-01-27 1986-03-27 Polarcup GmbH, 56859 Alf Dünnwandiger Behälter aus Kunststoff
DE29513093U1 (de) * 1994-11-15 1995-10-12 Born, Fred, 47198 Duisburg Verpackungsbehälter
EP0929455B1 (fr) 1996-09-26 2003-06-18 Sandherr Packungen Ag Procede pour fabriquer un pot d'emballage composite
CH693611A5 (de) 1999-10-07 2003-11-14 Sandherr Packungen Ag Konischer Verpackungsbehälter.
US20020157984A1 (en) * 2001-03-05 2002-10-31 Brown Dean R. Container whose side wall includes a surface discontinuity to hold shrinkwrap thereto
FR2903041A1 (fr) * 2006-07-03 2008-01-04 Europlastiques Soc Par Actions Procede de fabrication d'un contenant ou d'un couvercle pour un emballage
DE102011014844A1 (de) * 2011-03-23 2012-09-27 Optipack Gmbh Behälter mit Banderole

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4245673A1 (fr) * 2022-03-18 2023-09-20 Bachmann Forming AG Emballage alimentaire et procédé de fabrication d'un emballage alimentaire

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