EP3296228B1 - Package - Google Patents

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Publication number
EP3296228B1
EP3296228B1 EP15891810.2A EP15891810A EP3296228B1 EP 3296228 B1 EP3296228 B1 EP 3296228B1 EP 15891810 A EP15891810 A EP 15891810A EP 3296228 B1 EP3296228 B1 EP 3296228B1
Authority
EP
European Patent Office
Prior art keywords
protrusion
corrugated cardboard
protrusions
sidewall
package
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
EP15891810.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3296228A1 (en
EP3296228A4 (en
Inventor
Kenichi Unno
Kazuho Ito
Hidetaka Yamauchi
Yuto Takeuchi
Kentaro Yonehara
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP3296228A1 publication Critical patent/EP3296228A1/en
Publication of EP3296228A4 publication Critical patent/EP3296228A4/en
Application granted granted Critical
Publication of EP3296228B1 publication Critical patent/EP3296228B1/en
Active legal-status Critical Current
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
    • B65D81/02—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 specially adapted to protect contents from mechanical damage
    • B65D81/05—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 specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
    • B65D81/053—Corner, edge or end protectors
    • B65D81/057—Protectors contacting four surfaces of the packaged article, e.g. four-sided corner protectors
    • 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
    • B65D5/10—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 with end closures formed by inward-folding of self-locking flaps hinged to tubular body
    • B65D5/103—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 with end closures formed by inward-folding of self-locking flaps hinged to tubular body one of the self-locking flaps having a tongue engaging into an opening of an opposite flap
    • 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
    • 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
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • 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
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/44—Integral, inserted or attached portions forming internal or external fittings
    • 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
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/44—Integral, inserted or attached portions forming internal or external fittings
    • B65D5/441—Reinforcements
    • B65D5/443—Integral reinforcements, e.g. folds, 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
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/64—Lids
    • B65D5/643—Lids held in closed position by application of separate elements, e.g. clips, straps
    • 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
    • B65D81/02—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 specially adapted to protect contents from mechanical damage
    • 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
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/68—Containers, packaging elements or packages, specially adapted for particular articles or materials for machines, engines or vehicles in assembled or dismantled form
    • 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
    • B65D2585/00—Containers, packaging elements or packages specially adapted for particular articles or materials
    • B65D2585/68—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form
    • B65D2585/6802—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form specific machines, engines or vehicles
    • B65D2585/6805—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form specific machines, engines or vehicles air treatment devices
    • B65D2585/6812—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form specific machines, engines or vehicles air treatment devices coolers or air conditioners

Definitions

  • the present invention relates to a package that protects an object to be packaged such as an outdoor unit of an air conditioner.
  • An object to be packaged such as an outdoor unit of an air conditioner is packaged as follows.
  • the object to be packaged is placed on a tray box which is a tray-like corrugated cardboard box containing a cushioning material such as expanded polystyrene.
  • a cushioning material such as expanded polystyrene.
  • An upper cushioning material such as expanded polystyrene is then placed over the top of the object to be packaged.
  • the object to be packaged with the upper cushioning material placed thereon is covered with packaging corrugated cardboard having an open bottom, around which a binding band is wrapped.
  • JP S55 145423 U discloses a high strength packaging structure comprising a peripheral wall formed by a pair of first side plates and a pair of second side plates. Therein an inner flap is provided at one end of each first side plate and has two twice-bendable portions from both side ends of the inner flap, and an outer flap is provided at one end of each second side plate. A protrusion is protruded from one outer side of each twice-bendable portion, and a slit corresponding to the size of the protrusion is formed in each second side plate. Accordingly, each protrusion engages with one of the second side plate via the corresponding slit to form the packaging structure when each inner flap and each outer flap are closed.
  • Patent Literature 1 JP 2006-282258 A
  • the binding band is fastened tightly in order to prevent loosening and unfastening of the binding band caused by rough handling or the like. This sometimes causes the binding band fastened tightly to bite into a corner of the top side of the packaging corrugated cardboard.
  • An object of the present invention is to prevent the binding band from biting into the corner.
  • a package according to the present invention includes:
  • the protrusions protruding from both side ends of the inner flap are brought into contact with the second sidewalls when the inner flap is closed.
  • the corner being reinforced with the protrusion, the binding band is wrapped around a part corresponding to the arrangement of the protrusion to be able to avoid biting into the corner.
  • the package 10 includes packaging corrugated cardboard 20, a tray box 30, an upper cushioning material 40, and a binding band 50.
  • the packaging corrugated cardboard 20 has a bottom that is open and a top side that is closed by inner flaps 24 and outer flaps 25.
  • the tray box 30 is formed of a tray-like corrugated cardboard box 31 which contains a lower cushioning material 32 made of a cushioning material such as expanded polystyrene.
  • the upper cushioning material 40 is made of a cushioning material such as expanded polystyrene.
  • the binding band 50 is a band made of polypropylene and having the width of 12 to 20 mm.
  • An outdoor unit 100 which is an object to be packaged, of an air conditioner is placed on the tray box 30 and topped with the upper cushioning material 40, as illustrated in Fig. 1 .
  • the outdoor unit 100 topped with the upper cushioning material 40 is then covered from the top with the packaging corrugated cardboard 20, around which the binding band 50 is wrapped.
  • the outdoor unit 100 is thus packaged with the package 10 as illustrated in Fig. 2 .
  • the packaging corrugated cardboard 20 includes a peripheral wall 23 having a pair of first sidewalls 21 and a pair of second sidewalls 22.
  • the first sidewall 21 has a narrower width than the second sidewall 22 in this case.
  • the packaging corrugated cardboard 20 includes the inner flaps 24 connected to the top sides of the first sidewalls 21, and the outer flaps 25 connected to the top sides of the second sidewalls 22.
  • the outer flaps 25 are butt flaps, the edges of which butt against each other when closed.
  • the packaging corrugated cardboard 20 includes a joint 26 that joins the ends of the peripheral wall 23 together.
  • the joint 26 is provided at a side end of the second sidewall 22.
  • Each of the inner flaps 24 is provided with a pair of protrusions 27 protruding from both side ends of the flap.
  • the protrusion 27 is rectangular in shape in this case.
  • each of the outer flaps 25 is provided with a notch 28 at a position corresponding to the protrusion 27.
  • the notch 28 is rectangular in shape having the same size as the protrusion 27 or larger than the protrusion 27.
  • Each of the first sidewalls 21 includes a handhold opening 29 that is bored for a handler to lay his hand thereon.
  • the packaging corrugated cardboard 20 is folded between the first sidewalls 21 and the second sidewalls 22 to place and fix the joint 26 provided at the side end of the second sidewall 22 over an inner wall of the side end of the first sidewall 21. This allows the pair of the first sidewalls 21 to face each other and the pair of the second sidewalls 22 to face each other. Note that at this point, the inner flaps 24 and the outer flaps 25 are open so that the top side of the packaging corrugated cardboard 20 is open.
  • the inner flaps 24 are closed as illustrated in Fig. 5
  • the outer flaps 25 are closed as illustrated in Fig. 6 .
  • a width A1 between the edges of the pair of the protrusions 27 is slightly wider than a width B1 of the first sidewall 21.
  • the inner flaps 24 and the protrusions 27 are pressed down by the outer flaps 25.
  • the packaging corrugated cardboard 20 being made of corrugated cardboard
  • the first sidewall 21 is bent slightly to cause the edge of the protrusion 27 to come into contact with the vicinity of an upper end of the second sidewall 22, as illustrated in Fig. 8 .
  • the protrusion 27 protrudes, pushing the second sidewall 22 from the inside to the outside.
  • the binding band 50 is wrapped so as to pass outside the part of the second sidewall 22 in contact with the edge of the protrusion 27.
  • the protrusion dimension a1 of the protrusion 27 is too large, the protrusion 27 is possibly bent at the time the outer flaps 25 are closed to press down the inner flaps 24 and the protrusions 27.
  • the protrusion dimension a1 of the protrusion 27 is too small, on the other hand, the protrusions 27 do not protrude even when the inner flaps 24 and the outer flaps 25 are closed.
  • the protrusion dimension a1 of the protrusion 27 is desirable for the protrusion dimension a1 of the protrusion 27 to be approximately twice the thickness of the corrugated cardboard forming the packaging corrugated cardboard 20. Specifically, it is desirable for the protrusion dimension a1 of the protrusion 27 to be approximately 10 to 16 mm.
  • the protrusion 27 when a width dimension b1 of the protrusion 27 is too large, the protrusion 27 is less easily bent and put inside the second sidewall 22 at the time the outer flaps 25 are closed to press down the inner flaps 24 and the protrusions 27. This causes reduced workability.
  • the width dimension b1 of the protrusion 27 is too small, on the other hand, it is hard for the binding band 50 to be wrapped so as to pass outside the part in contact with the edge of the protrusion 27.
  • the width dimension b1 of the protrusion 27 is desirable for the width dimension b1 of the protrusion 27 to be approximately two to five times the width of the binding band 50. Specifically, it is desirable for the width dimension b1 of the protrusion 27 to be approximately 30 to 100 mm.
  • An area 60 in Figs. 2 to 7 indicates the direction of grain of a corrugated medium in the corrugated cardboard forming the packaging corrugated cardboard 20.
  • the direction of the grain of the corrugated medium in the corrugated cardboard is orthogonal to the direction in which the protrusion 27 protrudes. That is, the direction of the grain of the corrugated medium in the corrugated cardboard is orthogonal to the direction of a shearing stress acting on the packaging corrugated cardboard 20 by the binding band 50.
  • the package 10 according to the first embodiment is structured such that each of the inner flaps 24 of the packaging corrugated cardboard 20 includes the pair of the protrusions 27, the edge of each of which comes into contact with the second sidewall 22 when the inner flaps 24 and the outer flaps 25 are closed.
  • the binding band 50 is then wrapped so as to pass outside the part of the second sidewall 22 in contact with the edge of the protrusion 27.
  • the protrusion 27 reinforces the corner of the top side of the packaging corrugated cardboard 20 to be able to prevent the binding band 50 from biting into the packaging corrugated cardboard 20 even when the binding band 50 is wrapped tightly.
  • the protrusion 27 protrudes from the inside to the outside to be able to prevent the binding band 50 from biting into the packaging corrugated cardboard 20.
  • the protrusion 27 may be bent when binding of the binding band 50 is too tight. Even when bent, however, the protrusion 27 keeps preventing the binding band 50 from biting into the packaging corrugated cardboard 20 since the edge of the protrusion 27 remains in contact with the second sidewall 22, as illustrated in Fig. 9 .
  • the package 10 according to the first embodiment achieves reinforcement with the protrusion 27 provided on the inner flap 24 without arranging another component.
  • the reinforcement can thus be achieved with a simple structure at low cost.
  • the packaging corrugated cardboard 20 can be cut out and manufactured from a sheet of corrugated cardboard with the notch 28 provided in a part of the outer flap 25 corresponding to the protrusion 27. Note that the provision of the notch 28 does not particularly lead to a reduction in strength because the notch 28 is not formed in a part receiving the force of the binding band 50. The notch 28 does not particularly lead to a reduction in workability, either.
  • the direction of the grain of the corrugated medium in the corrugated cardboard is orthogonal to the direction in which the binding band 50 shears the packaging corrugated cardboard 20.
  • the packaging corrugated cardboard 20 is not readily torn by the force received from the binding band 50.
  • the inner flap 24 is connected to the first sidewall 21 having the smaller width
  • the outer flap 25 is connected to the second sidewall 22 having the larger width.
  • the inner flap 24 may be connected to the second sidewall 22 having the larger width
  • the outer flap 25 may be connected to the first sidewall 21 having the smaller width.
  • the protrusion 27 may then be formed on the inner flap 24 connected to the second sidewall 22 having the larger width.
  • first sidewall 21 and the second sidewall 22 may have the same width.
  • each of the inner flaps 24 is provided with only one pair of the protrusions 27 in the aforementioned description.
  • Each of the inner flaps 24 may however be provided with a plurality of pairs of the protrusions 27.
  • the protrusion 27 is rectangular in shape in the aforementioned description.
  • the protrusion 27 may however be formed in another shape such as a trapezoid.
  • a protruding shape equivalent to the protrusion 27 may also be formed on the upper cushioning material 40 that is located below the protrusion 27 in packaging the outdoor unit 100. This can further increase reinforcement strength.
  • the effect of preventing biting of the binding band 50 can be obtained by just providing the protruding shape on the upper cushioning material 40 instead of providing the protrusion 27 on the first sidewall 21.
  • the upper cushioning material 40 it is desirable for the upper cushioning material 40 to be made of material that is not brittle like expanded polystyrene but has some degree of strength while being usable as a cushioning material.
  • the binding band 50 has the width of 12 to 20 mm in the aforementioned description.
  • the width of the binding band 50 need not however be limited to 12 to 20 mm.
  • the corner of the top side of the packaging corrugated cardboard 20 needs to be reinforced sufficiently in using a band with the width smaller than 12 mm as the binding band 50.
  • the larger the width of the binding band 50 the smaller the binding pressure of the binding band 50 acting on the corner of the top side of the packaging corrugated cardboard 20. This makes it hard for the binding band 50 to bite into the packaging corrugated cardboard 20.
  • a band wider than 20 mm is not widely used and can cause an increase in cost.
  • a package 10 according to a second embodiment is different from that of the first embodiment in that a protrusion 27 has a bent shape. This difference will be described in the second embodiment.
  • packaging corrugated cardboard 20 according to the second embodiment will be described with reference to Figs. 10 to 12 .
  • a bend part 271 is formed in the protrusion 27 as illustrated in Fig. 10 .
  • the bend part 271 is a guide line parallel to the surface of a second sidewall 22.
  • the guide line is a bend line along which a flute is crushed for easy bending of corrugated cardboard.
  • the protrusion 27 is bent at a right angle along the bend part 271 such that the edge of the protrusion faces downward when an inner flap 24 is closed.
  • the inner flaps 24 are closed and then outer flaps 25 are closed to close an opening on a top side of the packaging corrugated cardboard 20.
  • a width D2 between the bend parts 271 of a pair of the protrusions 27 is slightly wider than a width B2 of a first sidewall 21.
  • a protrusion dimension a2 of the protrusion 27 up to the edge thereof is approximately twice the protrusion dimension d2 up to the bend part 271.
  • the inner flaps 24 are closed and then the outer flaps 25 are closed, the inner flaps 24 and the protrusions 27 are pressed down by the outer flaps 25. Then, as illustrated in Fig. 12 , the first sidewall 21 is bent slightly to cause a surface of the edge side of the protrusion 27 being bent to come into contact with the vicinity of an upper end of the second sidewall 22.
  • the protrusion dimension d2 up to the bend part 271 is nearly equal to the protrusion dimension a1 for the same reason as that for the protrusion dimension a1 according to the first embodiment.
  • a width dimension b2 of the protrusion 27 is nearly equal to the width dimension b1 of the protrusion 27 according to the first embodiment.
  • the package 10 according to the second embodiment is structured such that, with the protrusion 27 being bent, the surface on the edge side of the protrusion being bent comes into contact with the second sidewall 22 when the inner flaps 24 and the outer flaps 25 are closed.
  • a binding band 50 is then wrapped so as to pass outside a part of the second sidewall 22 in contact with the surface on the edge side of the protrusion 27.
  • the protrusion 27 reinforces the corner on the top side of the packaging corrugated cardboard 20 to be able to prevent the binding band 50 from biting into the cardboard even when the binding band 50 is wrapped tightly.
  • the protrusion 27 is in surface contact with the second sidewall 22 to be able to increase reinforcement strength.
  • the bend part 271 may be not the single guide line formed at a bend position but a plurality of scores or creases formed in the vicinity of the bend position. Note, however, that strength against binding of the binding band 50 is possibly reduced when too many of the scores or creases are formed. It is thus desirable to determine the number of scores or creases in consideration of both the strength against binding of the binding band 50 and efficiency of the bending operation.
  • a package 10 according to a third embodiment is different from that of the first and second embodiments in that a protrusion 27 has a shape that is folded back. This difference will be described in the third embodiment.
  • packaging corrugated cardboard 20 according to the third embodiment will be described with reference to Figs. 13 to 15 .
  • a fold-back part 272 is formed in the protrusion 27 as illustrated in Fig. 13 .
  • the fold-back part 272 is a guide line parallel to the surface of a second sidewall 22.
  • the protrusion 27 is folded back 180 degrees downward at the fold-back part 272.
  • a width D3 between the fold-back parts 272 of a pair of the protrusions 27 is slightly wider than a width B3 of a first sidewall 21.
  • a protrusion dimension a3 of the protrusion 27 up to the edge thereof is approximately twice the protrusion dimension d3 up to the fold-back part 272.
  • the inner flaps 24 are closed and then the outer flaps 25 are closed, the inner flaps 24 and the protrusions 27 are pressed down by the outer flaps 25. Then, as illustrated in Fig. 15 , the first sidewall 21 is bent slightly to cause the fold-back part 272 of the protrusion 27 to come into contact with the vicinity of an upper end of the second sidewall 22.
  • the protrusion dimension d3 up to the fold-back part 272 is nearly equal to the protrusion dimension a1 for the same reason as that for the protrusion dimension a1 according to the first embodiment.
  • a width dimension b3 of the protrusion 27 is nearly equal to the width dimension b1 of the protrusion 27 according to the first embodiment.
  • the package 10 according to the third embodiment is structured such that, with the protrusion 27 being folded back, the fold-back part 272 comes into contact with the second sidewall 22 when the inner flaps 24 and the outer flaps 25 are closed.
  • a binding band 50 is then wrapped so as to pass outside a part of the second sidewall 22 in contact with the fold-back 272 of the protrusion 27.
  • the protrusion 27 reinforces the corner on the top side of the packaging corrugated cardboard 20 to be able to prevent the binding band 50 from biting into the cardboard even when the binding band 50 is wrapped tightly.
  • the protrusion 27 is folded in two unlike the first embodiment to be able to increase reinforcement strength.
  • a groove 41 may be formed on a top side of an upper cushioning material 40 to accommodate the tip of the protrusion 27 being folded back. This can prevent a bulge on the top side that is otherwise formed by folding back the protrusion 27. As a result, an unstable state caused by the bulge on the top side can be avoided when the package 10 containing an object to be packaged is stacked at the time of storage in a warehouse or transport.
  • the protrusion 27 is folded back downward in the aforementioned description.
  • the protrusion 27 may however be folded back upward as well.
  • the fold-back part 272 may be not the single guide line formed at a bend position but a plurality of scores or creases formed in the vicinity of the bend position. Note, however, that strength against binding of the binding band 50 is possibly reduced when too many of the scores or creases are formed. It is thus desirable to determine the number of scores or creases in consideration of both the strength against binding of the binding band 50 and efficiency of the fold-back operation.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
  • Buffer Packaging (AREA)
  • Packaging Of Machine Parts And Wound Products (AREA)
  • Packages (AREA)
EP15891810.2A 2015-05-12 2015-05-12 Package Active EP3296228B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2015/063574 WO2016181485A1 (ja) 2015-05-12 2015-05-12 包装体

Publications (3)

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CN111936397B (zh) * 2018-04-12 2022-11-18 三菱电机株式会社 空调机的捆包装置
EP4227234A1 (en) * 2022-02-15 2023-08-16 BDR Thermea Group B.V. Method for assembling and packaging a heating device

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JPS55145423A (en) * 1979-04-28 1980-11-13 Nippon Technical Co Ltd Push-button type tuner
JPS5610012U (zh) * 1979-07-02 1981-01-28
JPS5771022U (zh) * 1980-10-20 1982-04-30
JP2003237877A (ja) * 2002-02-20 2003-08-27 Fujitsu General Ltd 空気調和機の梱包装置
ES2329684T3 (es) * 2003-05-23 2009-11-30 International Paper Company Contenedor de expedicion de una pieza con paredes interiores y exteriores contorneadas de forma diferente y un fondo de bloqueo rapido.
US7900816B2 (en) * 2005-12-16 2011-03-08 Graphic Packaging International, Inc. Collapsible cooler pack with barrier film
US9051076B2 (en) * 2012-08-14 2015-06-09 Leena Ahsan Container having a plurality of identified markings to reduce container volume during use
CA2916414C (en) * 2013-08-28 2017-11-07 Graphic Packaging International, Inc. Carton with locking feature
US9216839B1 (en) * 2015-02-17 2015-12-22 William G Erlinger Cardboard box construction

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US20180134440A1 (en) 2018-05-17
CN107531389B (zh) 2021-06-01
EP3296228A1 (en) 2018-03-21
JP6501875B2 (ja) 2019-04-17
CN107531389A (zh) 2018-01-02
JPWO2016181485A1 (ja) 2017-07-27
WO2016181485A1 (ja) 2016-11-17
RU2671055C1 (ru) 2018-10-29
EP3296228A4 (en) 2018-12-05

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