EP1182146A1 - Récipient en carton isolateur de chaleur et flan pour le fabriquer - Google Patents

Récipient en carton isolateur de chaleur et flan pour le fabriquer Download PDF

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Publication number
EP1182146A1
EP1182146A1 EP00118507A EP00118507A EP1182146A1 EP 1182146 A1 EP1182146 A1 EP 1182146A1 EP 00118507 A EP00118507 A EP 00118507A EP 00118507 A EP00118507 A EP 00118507A EP 1182146 A1 EP1182146 A1 EP 1182146A1
Authority
EP
European Patent Office
Prior art keywords
plane
box
folding
outer side
side plane
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Withdrawn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
EP00118507A
Other languages
German (de)
English (en)
Inventor
Susumu Hokuriku Package Co. Ltd. Onishi
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.)
Hokuriku Package Co Ltd
Original Assignee
Hokuriku Package Co 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 Hokuriku Package Co Ltd filed Critical Hokuriku Package Co Ltd
Priority to EP00118507A priority Critical patent/EP1182146A1/fr
Publication of EP1182146A1 publication Critical patent/EP1182146A1/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Withdrawn legal-status Critical Current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
    • 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
    • B65D5/20—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-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form
    • B65D5/2004—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-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form the container body having hollow side-walls
    • B65D5/2009—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-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form the container body having hollow side-walls all formed by folding extensions of the side walls
    • 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
    • B65D81/3825—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 rigid container being in the form of a box, tray or like container with one or more containers located inside the external container
    • B65D81/383—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 rigid container being in the form of a box, tray or like container with one or more containers located inside the external container the external tray being formed with double walls, i.e. hollow

Definitions

  • the present invention relates to heat and cold retaining paper boxes made of corrugated cardboard and the like.
  • the object of the present invention is to provide paper boxes which may be readily recycled and possess heat retaining and cold retaining qualities.
  • the box of the present invention is preferably constituted by an outer box, an inner box and an upper lid.
  • Each box is preferably manufactured by folding a thick paper, such as corrugated cardboard.
  • outer box, inner box and the upper lid it is preferable to have the above-mentioned outer box, inner box and the upper lid to be doubly structured, the inner box fitted into the outer box and the upper lid fitted onto the inner box.
  • outer box, the inner box and also the upper lid are doubly structured, they are strong and the spaces formed between the components provide heat insulation.
  • the bottom of the outer box is single layered, it is preferable to provide a spacer between the outer box and the inner box when setting the inner box into the outer box.
  • Single or several layers of paper sheets formed to fit into the bottom of the box may also be placed in between the spacer and the inner box.
  • paper is the preferred material for the box of the present invention, there is no limitation to the paper species used.
  • non-leakage of water is a feature of the box of the present invention, it is preferable to use surface treated paper.
  • paper materials may be used which do not leak water without surface treatment.
  • the papers may be cut into a specified form and folded to form the box.
  • the box (in particular the inner box) of the present invention be structured so that, as in styrene boxes, no water leakage occurs.
  • the cut sheet of paper has the shape which, when folded, does not form a crevice from which water may leak.
  • the box it is preferable for the box to have corner pieces formed continuously between the sidewalls.
  • a thick paper for the boxes of this invention has a rectangular or square base plane or base plane section.
  • On one pair of opposite sides on the base plane there is a pair of the first outer side planes which are formed by a folding line.
  • On the other pair of opposite sides of the base plane there is a pair of the second outer side planes which are formed by a folding line.
  • corner pieces 14 are provided by folding lines and these corner pieces are provided with central folding lines which preferably make a 45 degree angle with the outer side and corner side folding lines.
  • the thick paper for the paper box preferably has, on a pair of sides which face each other on the base plane, the first outer side plane, the first upper side plane and the first inner side plane which are formed continuously with folding lines and the first outer side plane, the first upper side plane, the first inner side plane are mutually connected by folding lines so as to construct a double layered structure box side part with space in between. It is desirable to have on the other sides which face each other in the base plane, a second outer side plane, a second upper side plane and a second inner side plane which are formed continuously with folding lines and the second outer plane, the second upper plane and the second inner plane be mutually connected via the folding line to form a double layered structure with space in between.
  • the other feature of this invention is a method of manufacturing paper boxes using the thick paper.
  • the method preferably includes a step in which the pair of the first outer side planes are bent inwards, a step in which the corner side is folded into two by bending along the central folding line, a step in which a pair of the second outer side planes are bent inwards, and a step in which the folded corner side is bent towards the first outer side or the second outer side plane.
  • Another feature of the present invention is a box manufactured by the foregoing process.
  • Fig. 1 shows an embodiment of the present invention. As shown in Fig. 1, the box has an outer box 1 and an upper lid 2.
  • An inner box 3 is set inside the outer box 1 as shown in Fig. 2.
  • the outer box 1, the upper lid 2 and the inner box 3 may be made of corrugated cardboard.
  • Fig. 2 shows the outer box 1, the upper lid 2 and the inner box in a separated state before assemblage.
  • the inner box is set inside the outer box 12, the upper edge of the inner box 3 will protrude above the outer box 1.
  • the upper lid 2 fits into this protrusion of the inner box 3.
  • Fig. 3 shows a spacer 4 that is set in between the outer box and the inner box 3.
  • the inner box 3 is inserted into the outer box 1 with the spacer 4 set on the bottom 1a of the outer box 1. Consequently, space will be formed between the bottom of the outer box 1 and the inner box 3 and flow of heat through the bottom 1a of the outer box will be suppressed by this space.
  • Fig. 4 shows a variation in which paper pieces 5 that fit into the bottom 1a of the outer box 1 are set in place of spacer 4 in between the outer box 1 and the inner box 3.
  • the inner box 3 is inserted after the paper pieces 5 are set.
  • the space between boxes 1 and 3 made by the paper pieces 5 will not be large, heat insulation will be sufficient. Also in this case, the strength of the bottom of the box will be reinforced.
  • the outer box 1, inner box 3 and the lid 2 may be made respectively, by folding a thick paper, as will be described in detail below.
  • the thick paper may be a corrugated cardboard cut in a prescribed form.
  • Fig. 5 shows a thick paper for making the outer box.
  • the thick paper for paper box 1 generally includes a rectangular or square base plane 6 having a first pair of opposite sides 6a facing each other along a first axis X and a second pair of opposite sides 6b facing each other along a second axis Y that is perpendicular to the first axis; pair of the first outer side planes 7 each of which is formed on each of the first pair of opposite sides 6a by a folding line; a pair of the second outer side planes 11 each of which is formed on each of the second pair of opposite sides 6b by a folding line; and corner pieces 14 provided in between the first and second outer side planes 7, 11 by folding lines 10g, 10h, the corner pieces 14 being provided with central folding lines 10i.
  • the thick paper includes the first outer side plane 7, a first upper side plane 8 and a first inner side plane 9 which are formed continuously with folding lines on the fist pair of sides 6a which face each other on the base plane 6, the first outer side plane, the first upper side plane, the first inner side plane being mutually connected by folding lines so as to construct a double layered structure box side with space in between; the second outer side plane 11, a second upper side plane 12 and a second inner side plane 13 which are formed continuously with folding lines on the other sides 6b which face each other in the base plane 6, the second outer plane, the second upper plane and the second inner plane being mutually connected via the folding line to form a double layered structure with space in between.
  • the thick paper for the outer box 1 has a structure as follows.
  • the outer side plane 7, the upper side plane 8 and the inner side plane 9 are formed continuously demarcated by the folding lines 10a, 10b and 10c, respectively.
  • the outer side plane 11, the upper side plane 12 and also the inner side plane 13 are formed demarcated by the folding lines 10d, 10e and 10f, respectively.
  • approximately square corner pieces 14 are formed continuously bounded by the folding lines 10g and 10h.
  • a central folding line 10i is formed on these corner pieces 14 to fold the corner pieces 14 into two when forming the outer box.
  • the corner pieces 14 therefore consist of two parts 14a and 14b.
  • the folding line 10i makes an angle of 45 degrees with the folding lines 10g, 10h of the outer side planes 7, 11.
  • connecting pieces 15a, 15b are formed and on these connecting pieces 15a, 15b, slit grooves 16, 16 are cut in.
  • Figs. 6A and 6B show the process of forming the outer box 1 by folding the thick paper shown in Fig. 5 along the folding lines 10a ⁇ 10i.
  • the outer side plane 7, the upper side plane 8 and the inner side plane 9 of the long sides 6a are folded along the folding lines 10a ⁇ 10c to form the sides of the outer box.
  • space is formed between the outer side plane 7 and the inner side plane 9.
  • the slit grooves 16, 16 of the connecting pieces 15a, 15a and also the slit grooves of the connecting pieces 15b, 15b on the opposite side are engaged so that the outer side part does not get out of shape.
  • the side parts 7, 9 of the long sides will stand up perpendicular to the base plane 6.
  • the outer side plane 11, the upper side plane 12 and the inner side plane 13 of the short sides 6b are then folded along the folding lines 10d ⁇ 10f to assemble the side part.
  • the corner piece 14 which forms the corner section of the outer side planes 7, 11 is folded towards inside the box along the folding lines 10g, 10h, 10i to form a triangle.
  • the formed triangle is inserted between the outer side plane 11 and the inner side plane 13 of the short side 6b.
  • the outer side plane 7 and the outer side plane 11 are mutually connected by this corner piece 14 with no gaps in between. Therefore leakage of water from the sides of the assembled box will not occur.
  • engaging pieces 17 are formed on both sides of the distal end of the inner side plane 13. Also, engaging grooves 18 are formed at the boundary of the inner side plane 9 and the connecting piece 15. The engaging pieces 17 are plugged into engaging grooves 18 after the outer side plane 11, the upper side plane 12 and the inner side plane 13 are folded.
  • the outer box 1 is formed in this manner by folding a thick paper shown in Fig. 5. Although the outer box is assembled without use of fastenings or adhesives, it will not collapse.
  • a concave section 19 is formed at the center of the distal end of the inner side plane 13. Therefore the assembled outer box 1 may be readily disassembled (unfolded) by placing a finger into the concave section 19.
  • Fig. 7 shows the unfolded state of the thick paper which constitutes the upper lid 2.
  • the structure of the upper lid 2 is substantially the same as the outer box 1 with difference only in the height of the side part. Therefore the structure and the assembly of the upper lid 2 will be omitted (the assembly of the upper lid is the same as the outer box shown in Fig. 6).
  • Fig. 8 shows the unfolded state of the thick paper (such as corrugated cardboard) which constitutes the inner box 3.
  • the thick paper for the inner box 3 generally includes a rectangular or square base plane 20 having a first pair of opposite sides 20a facing each other along a first axis X and a second pair of opposite sides 20b facing each other along a second axis Y that is perpendicular to the first axis; pair of the first outer side planes 21 each of which is formed on each of the first pair of opposite sides 20a by a folding line; a pair of the second outer side planes 24 each of which is formed on each of the second pair of opposite sides 20b by a folding line; and corner pieces 26 provided in between the first and second outer side planes by folding lines 10g, 10h, the corner pieces being provided with central folding lines 10i.
  • the thick paper for the inner box 3 has a structure as follows.
  • the inner side plane 21, the upper side plane 22 and the outer side plane 23 are formed continuously with folding lines 10a, b, c provided in between the side planes.
  • the inner side plane 24 and the outer side plane 25 are formed with folding lines 10d, 10f in between.
  • approximately square shaped corner pieces 26 with folding lines 10i are formed by means of folding lines 10g, 10h.
  • the folding line 10i makes an angle of 45 degrees with the folding lines 10g, 10h of the outer side planes 21, 24.
  • folding pieces 27, 27 are formed on both sides of the outer side plane 25.
  • Figs. 9A and 9B shows the assembly procedure of the inner box 3 by folding the thick paper as described.
  • the inner side planes 21 on the long sides are made to stand upright by folding at the folding lines 10a and next the inner side planes 24 on the short sides are also made to stand upright by folding at the folding lines 10d.
  • the corner piece 26 in between the two inner side planes 21, 24 is folded on the folding lines 10g, 10h and also folded outwards at the middle folding line (the folding line in the middle of the corner piece) 10i to form a triangle.
  • corner pieces 26 are formed in between the side parts 21 on the long sides and the side parts 24 on the short sides. Therefore no gaps may be formed in between the inner side planes 21, 24 standing upright and there is thus no problem of water leakage.
  • the box of the embodiment is preferable for the box of the embodiment to be made of a combination of the outer box, inner box and the upper lid.
  • the outer box it is possible to use only the outer box. In this case, heat and cold retaining properties will be lost as the upper part is open but it is possible to use it for packaging articles and may be used in place of styrene boxes.
  • the box of the present invention is manufactured simply by cutting and folding thick papers and as no fastenings or adhesives are used, they may be made easily and at low cost.
  • an unfolded box may be stored and transported as a sheet of paper. Therefore they conveniently will not take much space in storage and transportation and may be assembled easily for use.
  • the sides of the box are double structured, they have high strength and will not be damaged when packed boxes are piled up on each other.
  • the box is made of paper, no gaps will be formed on the assembled box side walls and consequently water leakage will not occur. Therefore water leakage from the box may be prevented by use of waterproof thick paper or thick paper made waterproof by surface treatment.
  • the box of the present invention is composed of an outer box and a removable inner box. Therefore in case the inner box is contaminated or damaged, only the inner box needs to be exchanged.
  • the box when the box is to be disposed, it can be readily disassembled by placing a finger into the concave section 19 formed on the inner sidepiece.
  • the paper boxes of this embodiment are preferably used for carrying frozen food, perishable food, hot food and the like.
  • the thick papers having the shapes of Figs. 5, 7 and 8 may be prepared by cutting a large or wide sheet of thick paper such as the corrugated cardboard.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
EP00118507A 2000-08-25 2000-08-25 Récipient en carton isolateur de chaleur et flan pour le fabriquer Withdrawn EP1182146A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP00118507A EP1182146A1 (fr) 2000-08-25 2000-08-25 Récipient en carton isolateur de chaleur et flan pour le fabriquer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00118507A EP1182146A1 (fr) 2000-08-25 2000-08-25 Récipient en carton isolateur de chaleur et flan pour le fabriquer

Publications (1)

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EP1182146A1 true EP1182146A1 (fr) 2002-02-27

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EP00118507A Withdrawn EP1182146A1 (fr) 2000-08-25 2000-08-25 Récipient en carton isolateur de chaleur et flan pour le fabriquer

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004048560A1 (de) * 2004-05-18 2005-12-29 Thermosecure Medical Equipment Gmbh Verfahren zum Transport von gekühlten Waren und Vorrichtung zur Durchführung desselben
WO2009106974A1 (fr) * 2008-02-28 2009-09-03 John Peter Searle Récipient isolé thermiquement
EP3348493A1 (fr) * 2017-01-17 2018-07-18 The Grand Wines Premium, S.L.U. Récipient thermique pour bouteilles
WO2021145590A1 (fr) * 2020-01-14 2021-07-22 송민화 Boîte d'emballage comprenant une fonction de rétention de chaleur améliorée par une structure multicouche
EP3765381B1 (fr) 2018-04-27 2023-04-26 K ART ONE S.r.l. Récipient thermique

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2684194A (en) * 1947-05-23 1954-07-20 William P Frankenstein Carton
FR1215899A (fr) * 1958-11-21 1960-04-21 Cartonnages Lurot Et Cie Boîte en carton
FR1241203A (fr) * 1959-08-03 1960-09-16 Cartonnerie Et Imprimerie Sain écrin pour joaillerie et autres objets
FR2392885A1 (fr) * 1977-05-13 1978-12-29 Habert Robert Boitier d'emballage et de presentation
FR2712871A1 (fr) * 1993-11-24 1995-06-02 Socar Dispositif en un matériau semi-rigide tel que le carton ondulé, pour le calage et la protection d'objets dans un conteneur, et son utilisation.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2684194A (en) * 1947-05-23 1954-07-20 William P Frankenstein Carton
FR1215899A (fr) * 1958-11-21 1960-04-21 Cartonnages Lurot Et Cie Boîte en carton
FR1241203A (fr) * 1959-08-03 1960-09-16 Cartonnerie Et Imprimerie Sain écrin pour joaillerie et autres objets
FR2392885A1 (fr) * 1977-05-13 1978-12-29 Habert Robert Boitier d'emballage et de presentation
FR2712871A1 (fr) * 1993-11-24 1995-06-02 Socar Dispositif en un matériau semi-rigide tel que le carton ondulé, pour le calage et la protection d'objets dans un conteneur, et son utilisation.

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004048560A1 (de) * 2004-05-18 2005-12-29 Thermosecure Medical Equipment Gmbh Verfahren zum Transport von gekühlten Waren und Vorrichtung zur Durchführung desselben
WO2009106974A1 (fr) * 2008-02-28 2009-09-03 John Peter Searle Récipient isolé thermiquement
EP3348493A1 (fr) * 2017-01-17 2018-07-18 The Grand Wines Premium, S.L.U. Récipient thermique pour bouteilles
EP3765381B1 (fr) 2018-04-27 2023-04-26 K ART ONE S.r.l. Récipient thermique
WO2021145590A1 (fr) * 2020-01-14 2021-07-22 송민화 Boîte d'emballage comprenant une fonction de rétention de chaleur améliorée par une structure multicouche

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