EP0626317A1 - Récipient un carton ou matière analogue avec une forme cylindrique et fond automatique - Google Patents

Récipient un carton ou matière analogue avec une forme cylindrique et fond automatique Download PDF

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Publication number
EP0626317A1
EP0626317A1 EP94830242A EP94830242A EP0626317A1 EP 0626317 A1 EP0626317 A1 EP 0626317A1 EP 94830242 A EP94830242 A EP 94830242A EP 94830242 A EP94830242 A EP 94830242A EP 0626317 A1 EP0626317 A1 EP 0626317A1
Authority
EP
European Patent Office
Prior art keywords
container
tongues
strip
shape
folding lines
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.)
Granted
Application number
EP94830242A
Other languages
German (de)
English (en)
Other versions
EP0626317B1 (fr
Inventor
Filippo Bianchi
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.)
CARTOTECNICA BIANCHI SAFFAPACK S.P.A.
Original Assignee
CARTOTECNICA POLIGRAFICA BIANCHI SpA
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 CARTOTECNICA POLIGRAFICA BIANCHI SpA filed Critical CARTOTECNICA POLIGRAFICA BIANCHI SpA
Publication of EP0626317A1 publication Critical patent/EP0626317A1/fr
Application granted granted Critical
Publication of EP0626317B1 publication Critical patent/EP0626317B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B65D3/20—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by form of integral or permanently secured end closure with end portion of body adapted to be closed, by flattening or folding operations, e.g. formed with crease lines or flaps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/02—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body
    • B65D5/0209—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body the tubular body having a curved or partially curved cross-section

Definitions

  • the present invention generally relates to containers made of cardboard or the like, having an automatic bottom and, more particularly, to a container of the above mentioned kind capable of taking a substantially cylindrical shape during the assembly.
  • the containers made of cardboard or the like, having an automatic bottom are already known. Their very important feature is to have a so-called “automatic bottom” that is a bottom which is self-forming during their assembly.
  • the blank intended to form the container is provided with suitably shaped bottom tongues having mutual engagement means.
  • These bottom tongues are glued in pairs to each other and once the longitudinal edges of the blank have been glued therebetween and the assembly of the container is started by transforming it from a flattened or bidimensional shape, as it is put on the market, to the final open or tridimensional shape, the so glued bottom tongues are brought in such a position as to form the bottom wall of the container and are retained in this final position by the mutual engagement of the engagement means.
  • the present invention aims at obviating this drawback by providing a blank for containers made of cardboard or the like, having a new design and capable of permitting the assembly of cylindrical containers, the term "cylindrical” meaning a solid formed by generatrixes starting from points of a directrix formed by a closed line: circle, ellipse, oval...
  • the blank according to the present invention is of the type having tongues intended to form the automatic bottom of the container and is characterized in that it comprises:
  • the rectangular zone has two folding lines perpendicular to the side thereof corresponding to the bottom of the container in order to allow the container to be put on the market in a flattened shape and to be opened in its final tridimensional shape upon the use.
  • the curved folding lines of the strip are in the form of circle arcs and have the same radius of curvature as that of the container to be formed.
  • the curved folding lines of the strip are ellipse segments.
  • the curved folding lines of the strip are oval segments.
  • a strip segment having a straight folding line can be provided.
  • Fig. 1 shows a typical blank for obtaining a container having the shape of a right circular cylinder and provided with tongues, generally designated by T, intended to form in a manner per se known the automatic bottom.
  • the blank is designated by 1 and has a zone 2 of rectangular shape intended to form the lateral wall of the container. This zone is divided in three portions A,B,C by two cross-folding lines 3,4.
  • the rectangular zone 2 has on one shorter side thereof, in this case on the portion A, a glueing edge L.
  • a strip Projecting from the upper larger side of the rectangular zone 2 is a strip, generally designated by D, divided in four segments D1,D2,D3,D4 each of which terminates in one of the tongues T intended to form in a manner per se known the automatic bottom of the container and bearing here the reference numbers 5,6,7,8.
  • This strip D is separated from the rectangular zone 2 by a longitudinal folding line P and the tongues T are separated from the relevant strip segment D1,D2,D3,D4 by curved folding lines, generally designated by S and bearing here the reference numbers 9,10,11,12.
  • the curved folding lines have the shape of an arc of circle and their radius of curvature correspond to that of the circular cylindrical container to be formed.
  • the folding lines 9,10,11,12 in this case are four in number and their length corresponds to 1/4 of the blank lenght l and therefore 1/4 of the container circumference.
  • the tongues 5,6,7,8 have a specifical shape adapted to form the engagement means of the automatic bottom and, in the blank of Fig. 1, these tongues are identical two by two.
  • the tongue 5 has the same shape as that of the tongue 7 and the tongue 6 has the same shape as that of the tongue 8.
  • the tongues 6 and 8 have substantially a triangular shape, whereas the tongues 5 and 7 have a composite rectilinear and curvilinear shape.
  • each of the tongues 5,7 has a triangular tab 13 and 14, respectively and a toothed portion 16.
  • the substantially triangular tabs 13,14 are defined by an inner folding line 15 and have a curved side which has the same radius of curvature as that of the circular cylindrical container to be formed.
  • Fig. 2 shows the first mounting step of the circular cylindrical container with automatic bottom starting from the blank 1. This step consists in folding the strip segments D1,D2,D3,D4 along the folding line P against the rectangular zone 2 and in glueing them thereto by leaving free the tongues 5,6,7,8.
  • Fig. 3 shows a second mounting step of the container.
  • This step consists in glueing the glueing edge L to the opposite outer side of the rectangular zone 2 so as to obtain a closed element and in glueing the tabs 13,14 to the triangular tongues 6,8 so that the tabs 13,14 cover exactly the half portion of said triangular tongues, as can be seen in the cross-section of Fig. 4 wherein the zones marked by crosses designate the glueings.
  • the so obtained blank is folded along the folding lines 3,4 to form the container in the flattened condition, as it is put on the market.
  • Fig. 5 shows the final mounting step of the container. This step consists in opening the so glued blank by exerting an inwardly directed pressure on the cross-folding lines 3 and 4. In so doing, the tongues 5,6,7,8 automatically open inwardly until the toothed portion 16 of the tongues 5,7 engage therebetween, thus retaining the formed bottom.
  • Fig. 6 shows a second typical starting for obtaining a modification of the right circular cylindrical container provided with six tongues T intended to form in a manner per se known the automatic bottom.
  • This blank is designated by 21 and has also a rectangular zone 22 intended to form the lateral wall of the container.
  • This zone is divided also in three portions A,B,C by two cross-folding lines 23,24.
  • the rectangular zone 22 has on one shorter side thereof, in this case on the portion A, a glueing edge L.
  • Projecting from the upper larger side of the rectangular zone 22 is a strip D divided in three segments D1,D2,D3, each of which is provided with the tongues T, bearing here the reference numbers 25,26,27,28,29,30 intended to form the automatic bottom.
  • This strip is separated from the rectangular zone 22 by a folding line P.
  • the strip segment D1 has the tongue 25
  • the strip segment D2 has the tongues 26,27,28
  • the strip segment D3 has the tongues 29 and 30.
  • All the tongues are separated from the relevant strip segments by curved folding lines S, bearing here the reference numbers 31,32,33,34,35,36.
  • the curved folding lines have the shape of an arc of circle and their radius of curvature correspond to that of the circular cylindrical container to be formed.
  • the folding lines 31,36 in this case are six in number and their length corresponds to 1/6 of the blank length l and therefore to 1/6 of the container circumference.
  • the tongues 25-30 have a specifical shape adapted to form the automatic bottom and, also in the blank of Fig. 6, these tongues are identical two by two.
  • the tongue 25 has the same shape as that of the tongue 28, the tongue 26 has the same shape as that of the tongue 29 and the tongue 27 has substantially the same shape as that of the tongue 30.
  • the tongues 25,28 have substantially a triangular shape with curved sides and the tongues 26,29 have substantially the shape of a rhombus with curved sides, divided in two tabs E,F by an inner folding line 37, whereas the tongue 27 has the shape of a circle,the radius of curvature of which corresponds to that of the container to be formed and the tongue 30 has the shape of a circle segment.
  • Fig. 7 shows the first mounting step of the circular cylindrical container with automatic bottom starting from the blank 21 of Fig. 6. This step consists in folding the strip segments D1,D2,D3, along the folding line P against the rectangular zone 22 and in glueing them thereto by leaving free the bottom tongues 25-30.
  • Fig. 8 shows the second mounting step of the container starting from the blank 21 of Fig. 6.
  • This step consists in glueing the edge L to the opposite edge of the rectangular zone 22 so as to obtain a closed element and in glueing the tongues 25,28 to the tabs F of the tongues 26,29.
  • the circular tongue 27 is folded along the diametral folding line 38 and the semicircular portion G of this tongue to the tongue 30 having the shape of a circle segment which now, after the closed element has been formed, is in front of the circular tongue 27, as can be seen from the cross-section shown in Fig. 9.
  • the so obtained blank 21 is folded along the cross-folding lines 23,24 to form the container in the flattened condition, as it is put on the market.
  • Fig. 10 shows the final mounting step of the container. This step consists in opening the so glued blank by exerting an inwardly directed pressure on the cross-folding lines 23 and 24. In so doing, the tongues 26,27 and 29 automatically open and the tongue 30 overlaps the circular tongue 27 in order to impart the necessary dimensional stability to the finished container.
  • Fig. 10 the container is viewed from the bottom so as to show the tongues 26 and 29 which overlap the circular tongue 27.
  • Fig. 11 the container is viewed from the top, so as to show the tongue 30 having the shape of circular segment which overlaps the circular tongue 27.
  • Fig. 12 shows a third typical blank for obtaining a container having an elliptical cylindrical shape provided, as in the embodiment of Fig. 6, with six tongues T intended to form in a manner per se known the automatic bottom.
  • This blank is designated by 121 and has also a rectangular zone 122 intended to form the lateral wall of the container. This zone is divided also in three portions A,B,C by two cross-folding lines 123,124.
  • the rectangular zone 122 has on one shorter side thereof, in this case on the portion A, a glueing edge L.
  • a strip D Projecting from the upper larger side of the rectangular zone 122 is also a strip D divided in three segments D1,D2,D3, each of which is provided with the tongues T, bearing here the reference numbers 125, 126,127,128,129,130 and intended to form the automatic bottom.
  • This strip is separated from the rectangular zone 122 by a folding line P.
  • the strip segment D1 has the tongue 125
  • the strip segment D2 has the tongues 126,127,128
  • the strip segment D3 has the tongues 129 and 130. All the tongues are separated from the relevant strip segments by curved folding lines S, bearing here the reference numbers 131,132,133, 134, 135, 136, which represent the six ellipse segments in which the elliptic cylindrical container to be formed has been divided.
  • the tongues 125-130 correspond to the tongues 25-30 of the blank of Fig. 6 and are intended to form the automatic bottom. As far as the shapes of the tongues are concerned, they correspond to those of Fig. 6.
  • the tongue 125 has the same shape as that of the tongue 128, the tongue 126 has the same shape as that of the tongue 129 and the tongue 127 has substantially the same shape as that of the tongue 130.
  • the tongues 125,128 have substantially a triangular shape with curved sides and the tongues 126,129 have substantially the shape of a rhombus with curved sides, divided in two tabs E,F by an inner folding line 137, whereas the tongue 127 has the shape of an ellipse, and the tongue 130 has the shape of an ellipse sector.
  • Fig. 13 the elliptical cylindrical container with the formed automatic bottom is shown in perspective view.
  • Fig. 14 there is diagrammatically shown, for example, the cross-section of an oval cylindrical container and, if in the strip D also a segment having a straight folding line is provided, a cylindrical container having a flat wall portion can be obtained, as illustrated in Fig. 15.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
  • Making Paper Articles (AREA)
EP94830242A 1993-05-25 1994-05-24 Récipient un carton ou matière analogue avec une forme cylindrique et fond automatique Expired - Lifetime EP0626317B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI931076A IT1272449B (it) 1993-05-25 1993-05-25 Contenitore di cartone o simile,di forma cilindrica,a fondo automatico
ITMI931076 1993-05-25

Publications (2)

Publication Number Publication Date
EP0626317A1 true EP0626317A1 (fr) 1994-11-30
EP0626317B1 EP0626317B1 (fr) 1997-01-08

Family

ID=11366258

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94830242A Expired - Lifetime EP0626317B1 (fr) 1993-05-25 1994-05-24 Récipient un carton ou matière analogue avec une forme cylindrique et fond automatique

Country Status (3)

Country Link
EP (1) EP0626317B1 (fr)
DE (1) DE69401381T2 (fr)
IT (1) IT1272449B (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1003348C2 (nl) * 1996-06-17 1997-12-19 Waddington Imca B V Plano voor een doos met tenminste een gebogen wand en de doos verkregen door de plano.
FR2867167A1 (fr) * 2004-03-05 2005-09-09 Gen Biscuit Emballage de forme cylindrique
WO2008090297A1 (fr) * 2007-01-24 2008-07-31 Concept Packaging Services Limited Améliorations apportées ou associées à des cartons
GB2451281A (en) * 2007-07-26 2009-01-28 Steve Hrynacz Carton with inset base
US20130193196A1 (en) * 2010-08-10 2013-08-01 Concept Packaging Service Limited Cartons
DE102013011326A1 (de) * 2013-07-06 2015-01-08 Jürgen Wesseler Flaschenhalter für eine einzelne Flasche
IT201800003138A1 (it) * 2018-02-28 2019-08-28 Arti Grafiche Castello S P A Contenitore scatolare

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2189436A (en) * 1938-07-14 1940-02-06 Rosenfield Louis Collapsible container
US3912331A (en) * 1974-04-11 1975-10-14 Container Corp Folding tub with automatic bottom
FR2375100A1 (fr) * 1976-12-24 1978-07-21 Nicollet Hugues Sa Emballage parallelepipedique, et flan et ebauche propres a la realisation d'un tel emballage
DE4033947A1 (de) * 1990-10-25 1992-04-30 Thorsten Seufert Verpackungsbehaelter mit faltlinien

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2189436A (en) * 1938-07-14 1940-02-06 Rosenfield Louis Collapsible container
US3912331A (en) * 1974-04-11 1975-10-14 Container Corp Folding tub with automatic bottom
FR2375100A1 (fr) * 1976-12-24 1978-07-21 Nicollet Hugues Sa Emballage parallelepipedique, et flan et ebauche propres a la realisation d'un tel emballage
DE4033947A1 (de) * 1990-10-25 1992-04-30 Thorsten Seufert Verpackungsbehaelter mit faltlinien

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1003348C2 (nl) * 1996-06-17 1997-12-19 Waddington Imca B V Plano voor een doos met tenminste een gebogen wand en de doos verkregen door de plano.
EP0814025A1 (fr) * 1996-06-17 1997-12-29 Waddington Imca B.V. Flan pour boîte ayant une paroi courbe
FR2867167A1 (fr) * 2004-03-05 2005-09-09 Gen Biscuit Emballage de forme cylindrique
EP1627817A1 (fr) * 2004-03-05 2006-02-22 Generale Biscuit Emballage de forme cylindrique
WO2008090297A1 (fr) * 2007-01-24 2008-07-31 Concept Packaging Services Limited Améliorations apportées ou associées à des cartons
GB2458870A (en) * 2007-01-24 2009-10-07 Concept Packaging Services Ltd Improvements in and relating to cartons
GB2451281A (en) * 2007-07-26 2009-01-28 Steve Hrynacz Carton with inset base
US20130193196A1 (en) * 2010-08-10 2013-08-01 Concept Packaging Service Limited Cartons
US9090371B2 (en) * 2010-08-10 2015-07-28 Concept Packaging Service Limited Cartons
DE102013011326A1 (de) * 2013-07-06 2015-01-08 Jürgen Wesseler Flaschenhalter für eine einzelne Flasche
IT201800003138A1 (it) * 2018-02-28 2019-08-28 Arti Grafiche Castello S P A Contenitore scatolare

Also Published As

Publication number Publication date
ITMI931076A1 (it) 1994-11-25
ITMI931076A0 (it) 1993-05-25
EP0626317B1 (fr) 1997-01-08
IT1272449B (it) 1997-06-23
DE69401381T2 (de) 1997-05-15
DE69401381D1 (de) 1997-02-20

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