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EP2558378A1 - Transport box - Google Patents

Transport box

Info

Publication number
EP2558378A1
EP2558378A1 EP11712535A EP11712535A EP2558378A1 EP 2558378 A1 EP2558378 A1 EP 2558378A1 EP 11712535 A EP11712535 A EP 11712535A EP 11712535 A EP11712535 A EP 11712535A EP 2558378 A1 EP2558378 A1 EP 2558378A1
Authority
EP
European Patent Office
Prior art keywords
container
walls
transport box
transport
box according
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
EP11712535A
Other languages
German (de)
French (fr)
Other versions
EP2558378B1 (en
Inventor
Markus Feurer
André Bodar
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.)
Feurer Febra GmbH
Original Assignee
Feurer Febra 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=42317900&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2558378(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Feurer Febra GmbH filed Critical Feurer Febra GmbH
Priority to PL11712535T priority Critical patent/PL2558378T3/en
Publication of EP2558378A1 publication Critical patent/EP2558378A1/en
Application granted granted Critical
Publication of EP2558378B1 publication Critical patent/EP2558378B1/en
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B65D81/38—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
    • B65D81/3813—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
    • B65D81/3816—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 formed of foam material
    • 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
    • B65D11/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material
    • B65D11/18—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material collapsible, i.e. with walls hinged together or detachably connected
    • B65D11/1833—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material collapsible, i.e. with walls hinged together or detachably connected whereby all side walls are hingedly connected to the base panel
    • 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
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • B65D43/0202—Removable lids or covers without integral tamper element
    • B65D43/0204—Removable lids or covers without integral tamper element secured by snapping over beads or projections
    • B65D43/0212—Removable lids or covers without integral tamper element secured by snapping over beads or projections only on the outside, or a part turned to the outside, of the mouth
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00064—Shape of the outer periphery
    • B65D2543/0012—Shape of the outer periphery having straight sides, e.g. with curved corners
    • B65D2543/00175—Shape of the outer periphery having straight sides, e.g. with curved corners four straight sides, e.g. trapezium or diamond
    • B65D2543/00194—Shape of the outer periphery having straight sides, e.g. with curved corners four straight sides, e.g. trapezium or diamond square or rectangular
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00259—Materials used
    • B65D2543/00296—Plastic
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00555—Contact between the container and the lid on the inside or the outside of the container on both the inside and the outside
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00574—Contact between the container and the lid secured locally, i.e. a lot less than half the periphery
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00601—Snapping means on the container
    • B65D2543/00611—Profiles
    • B65D2543/00629—Massive bead
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00601—Snapping means on the container
    • B65D2543/00675—Periphery concerned
    • B65D2543/00694—Segments
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00824—Means for facilitating removing of the closure
    • B65D2543/00944—Located only on the container, e.g. recesses

Definitions

  • the invention relates to a transport box according to the preamble of claim 1.
  • Such transport boxes are used in particular for the transport of food, which must be transported, for example, cooled.
  • expanded polypropylene EPP
  • foam particles of EPP are sintered together, wherein each with a shape of the container and with another form of the lid are made in one piece.
  • pores are left between the foam particles, which represent cavities or form depressions on the surfaces.
  • the object is achieved by a transport box with the features of claim 1.
  • Advantageous developments of the invention are the subject of the dependent claims.
  • the invention is based on the idea that, when the outer walls of the particles are thickened, a kind of inner skin of the transport box is formed on the inner surfaces of the container delimiting the transport space and, if appropriate, of a cover closing the container, which is substantially smoother than the remaining surfaces of the container and of the container cover.
  • the pores and thus also the depressions on the inner surfaces become smaller, so that less dirt can accumulate on the surfaces exposed to the transport material or it can be removed more easily.
  • the outer walls of the foam particles are according to the invention at the transport space bounding inner surfaces thicker than at the remaining locations of the container and optionally the lid. It is preferred that they are at least twice, preferably at least three times and ideally at least seven times as thick.
  • a typical size for the thickness is at least 0.2 mm on the inside surfaces.
  • the container on the upper edges of the walls on a circumferential edge, and the lid has a circumferential circumferential receiving channel for receiving the edge, wherein a bottom surface of the receiving channel is intended to rest on a support surface of the edge.
  • the inner skin de container extends over the support surface
  • the inner skin of the lid extends over the bottom surface.
  • the distance of each of two mutually opposite walls of the container increases in the direction away from the ground. This has the advantage that after the manufacturing process of the container this can be easily removed from the manufacturing form.
  • the container and the manufacturing form come immediately after lifting out of contact, which is particularly advantageous in terms of the smooth inner skin, which does not have to slide along the surface when removing the container from the production form, which could result in scratching.
  • the walls can be connected by means of film hinges to the ground and be folded down into a transport position in which they are arranged substantially parallel to the ground. It is preferred that the inner skin of the container extends to the film hinges. This has the advantage that the cracks between the walls and the floor are lined with the inner skin and are easier to clean. On the other hand, this measure has the advantage that the film hinges are reinforced by the inner skin. This training as folding box is particularly advantageous if the transport box is to be used multiple times and must be transported empty after use. This can then be done to save space with folded walls. The reusability of the transport box is, as shown above, incidentally, the main reason for forming the transport box with the inner skin.
  • the container has advantageously in its bottom in the inner surface of grooves on the surface of which the inner skin extends.
  • the gutters are used for example in a frozen food receiving transport box of the intake of meltwater.
  • the attachment of the inner skin to the surface surface of the gutters is therefore particularly advantageous, since accumulated dirt in the gutters.
  • the container expediently has, in each case, two opposing walls which extend up to the upper edge of the wall. In the interior of a rigid container insert can then be inserted and taken easier in the wells.
  • the container expediently at each two walls connecting edge on a recess for engaging under the lid, so that it can be easily lifted from the container.
  • FIG. 1 shows a transport box according to a first exemplary embodiment in a perspective view with the lid removed;
  • Fig. 2 shows the lid of FIG. 1 from below and Fig. 3 shows a transport box according to a second embodiment with the lid lifted and half folded walls.
  • the transport box 10 has a container 12 and a lid 14.
  • the container 12 comprises a bottom 16 and four walls 18 extending vertically upwardly from the rectangular bottom 16.
  • the bottom 16 and the walls 18 define an upwardly open transport space 20 which is closed by placing the lid 14 on the container 12 can.
  • the container 12 and the lid 14 are each made in one piece in the same way from expanded polypropylene (EPP) particle foam.
  • EPP expanded polypropylene
  • the particle foam has a multiplicity of foam particles sintered together, the foam particles each having an outer wall and a substantially hollow inner space enclosed by the outer wall, in which there are cells, the skin of which is substantially thinner than the outer wall, and either communicate with each other or are closed. Between the foam particles are pores, which are voids.
  • these inner surfaces 22 are treated by applying heat such that the outer wall portions of the foam particles adjoining them have a thickness of at least 0.2 mm while the usual wall thickness of the foam particles is lower.
  • an inner skin 24 is formed on the inner surfaces 22 of the container 12 and the lid 14.
  • the container 12 has at the upper edges of its walls 18 a peripheral edge 26 which is offset from the outer surface 28 of the walls 18 inwardly, so that the container 12 has a peripheral shoulder 30.
  • the lid 14 has, as shown in Fig. 2, on its underside a circumferential receiving channel 32 for receiving the edge 26.
  • the inner skin 24 of the lid 14 extends to a bottom surface 34 of the channel 32.
  • the inner skin 24 of the container 12 extends to a horizontally extending bearing surface 36 of the rim 26.
  • the inner surfaces of the walls 18 are not exactly perpendicular to the inner surface of the bottom 16, but are slightly inclined outwards, so that the distance between each two opposing walls 18, starting from the bottom 16 increases towards the top.
  • a recess 38 which extends from the bottom 16 to the upper edge, is arranged in each case centrally in two mutually opposite walls 18.
  • the two recesses 38 are mirror-symmetrical with respect to a longitudinal center plane the container 12 is formed.
  • the shoulder (30) has a recess 42 which allows under grasping of the lid 14 by an operator.
  • the edge 26 above the recesses 42 is in each case provided with a latching projection 44, by means of which the container 12 can be latched to the cover 14.
  • the transport box 110 according to the second exemplary embodiment differs from the transport box 10 according to the first exemplary embodiment essentially in that the walls 18 can be folded over relative to the floor 16.
  • they are integrally connected to the base 16 by means of film hinges 46, which constitute a thin-walled, flexible connection.
  • the inner skin 24 also extends over the film hinges 46.
  • the base 16 is provided with elongate grooves 48 running parallel to one another, which have the shape of a section of a cylinder and over which the inner skin 24 likewise extends.
  • the invention relates to a transport box comprising a one-piece container 12 having a bottom 16 and walls 16 extending from the bottom 16 and delimiting a transport space 20, which consists of expanded polypropylene (EPP) particle foam comprising a multiplicity of foam particles sintered together wherein the foam particles each have an outer wall and an enclosed by the outer wall, substantially hollow interior.
  • EPP expanded polypropylene
  • the outer walls of the foam particles on the transport space 20 bounding inner surfaces 22 of the container 12 are thicker than at the remaining locations of the container 12 and an inner skin 24 on the container 12 form.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Buffer Packaging (AREA)

Abstract

The invention relates to a transport box, comprising a one-piece container (12), which has a base (16) and walls (18) extending from the base (16) and delimiting a transport chamber (20). The container consists of particulate foam made of expanded polypropylene (EPP), which comprises a plurality of foam particles sintered to each other, wherein the foam particles each comprise an outer wall and a substantially hollow inner chamber enclosed by the outer wall. According to the invention, the outer walls of the foam particles at the inner faces (22) of the container (12) which delimit the transport chamber (20) are thicker than in the remaining regions of the container (12) and form an inner skin (24) on the container (12).

Description

Transportbox Beschreibung Die Erfindung betrifft eine Transportbox gemäß Oberbegriff des Anspruchs 1 .  The invention relates to a transport box according to the preamble of claim 1.
Solche Transportboxen werden insbesondere für den Transport von Lebensmitteln eingesetzt, die beispielsweise gekühlt transportiert werden müs- sen. Dabei hat sich herausgestellt, dass expandiertes Polypropylen (EPP) eine gute thermische Isolationswirkung mit einer guten Formbeständigkeit vereint. Insbesondere stellen sich Verformungen teilweise selbst wieder zurück. Bei der Herstellung werden Schaumpartikel aus EPP miteinander versintert, wobei mit einer Form der Behälter und mit einer anderen Form der Deckel jeweils einstückig hergestellt werden. Dabei bleiben zwischen den Schaumpartikeln Poren frei, die Hohlräume darstellen bzw. an den Oberflächen Vertiefungen bilden. Diese Vertiefungen wirken sich nachteilig aus, wenn eine solche Transportbox im Lebensmittelbereich wiederverwendet werden soll. Denn in den Vertiefungen kann sich Schmutz festsetzen, so dass die Transportbox vor einer Wiederverwendung sorgfältig gereinigt werden muß. Es wurde daher bereits vorgeschlagen, solche Transportboxen mit einer Kunststoffolie auszukleiden, was aber wiederum aufwendig ist. Such transport boxes are used in particular for the transport of food, which must be transported, for example, cooled. It has been found that expanded polypropylene (EPP) combines a good thermal insulation effect with good dimensional stability. In particular, deformations partly back themselves up. In the production of foam particles of EPP are sintered together, wherein each with a shape of the container and with another form of the lid are made in one piece. In the process, pores are left between the foam particles, which represent cavities or form depressions on the surfaces. These depressions have a disadvantageous effect if such a transport box is to be reused in the food sector. Because in the wells dirt can settle, so that the transport box must be carefully cleaned before reuse. It has therefore already been proposed to line such transport boxes with a plastic film, which in turn is expensive.
Es ist daher Aufgabe der Erfindung, eine Transportbox der eingangs ge- nannten Art derart weiterzubilden, dass sie noch besser für Lebensmittel geeignet ist. It is therefore an object of the invention to develop a transport box of the type mentioned in such a way that it is even better suited for food.
Die Aufgabe wird erfindungsgemäß durch eine Transportbox mit den Merkmalen des Anspruchs 1 gelöst. Vorteilhafte Weiterbildungen der Erfindung sind Gegenstand der abhängigen Ansprüche. Der Erfindung liegt der Gedanke zugrunde, dass bei einer Verdickung der Partikelaußenwände an den den Transportraum begrenzenden Innenflächen des Behälters und gegebenenfalls eines den Behälter verschließenden Deckels eine Art Innenhaut der Transportbox gebildet wird, die wesentlich glat- ter ist als die übrigen Oberflächen des Behälters und des Deckels. Durch diese Hautbildung verkleinern sich die Poren und damit auch die Vertiefungen an den Innenflächen, so dass sich an den dem Transportgut ausgesetzten Flächen weniger Schmutz anlagern kann bzw. dieser leichter wieder entfernt werden kann. The object is achieved by a transport box with the features of claim 1. Advantageous developments of the invention are the subject of the dependent claims. The invention is based on the idea that, when the outer walls of the particles are thickened, a kind of inner skin of the transport box is formed on the inner surfaces of the container delimiting the transport space and, if appropriate, of a cover closing the container, which is substantially smoother than the remaining surfaces of the container and of the container cover. As a result of this formation of skins, the pores and thus also the depressions on the inner surfaces become smaller, so that less dirt can accumulate on the surfaces exposed to the transport material or it can be removed more easily.
Die Außenwände der Schaumpartikel sind an den den Transportraum begrenzenden Innenflächen erfindungsgemäß dicker als an den übrigen Stellen des Behälters und gegebenenfalls des Deckels. Es wird bevorzugt, dass sie mindestens zweimal, vorzugsweise mindestens dreimal und idealerweise mindestens siebenmal so dick sind. Eine typische Größe für die Dicke ist mindestens 0,2 mm an den Innenflächen. Durch diese Maßnahme kann eine Verkleinerung der zwischen den Schaumpartikeln befindlichen Poren auf den den Transportraum begrenzenden Innenflächen des Behälters und des Deckels beispielsweise auf eine maximale Größe von 0,2 mm erreicht wer- den. The outer walls of the foam particles are according to the invention at the transport space bounding inner surfaces thicker than at the remaining locations of the container and optionally the lid. It is preferred that they are at least twice, preferably at least three times and ideally at least seven times as thick. A typical size for the thickness is at least 0.2 mm on the inside surfaces. By this measure, a reduction of the pores located between the foam particles can be achieved on the inner space of the container and the lid defining the transport space, for example to a maximum size of 0.2 mm.
Zweckmäßig weist der Behälter an den Oberkanten der Wände einen rings umlaufenden Rand auf, und der Deckel weist eine rings umlaufende Aufnahmerinne zur Aufnahme des Rands auf, wobei eine Bodenfläche der Auf- nahmerinne zur Auflage auf eine Auflagefläche des Rands bestimmt ist. Dabei erstreckt sich die Innenhaut de Behälters über die Auflagefläche, und die Innenhaut des Deckels erstreckt sich über die Bodenfläche. Durch diese Maßnahme wird die isolierende Wirkung der Transportbox weiter verbessert. Indem sich einerseits die Innenhaut des Behälters über die Auflagefläche und andererseits die Innenhaut des Deckels über die Bodenfläche erstreckt, liegen zwei besonders glatte Flächen aufeinander auf und verbessern die isolierende Wirkung noch weiter. Suitably, the container on the upper edges of the walls on a circumferential edge, and the lid has a circumferential circumferential receiving channel for receiving the edge, wherein a bottom surface of the receiving channel is intended to rest on a support surface of the edge. In this case, the inner skin de container extends over the support surface, and the inner skin of the lid extends over the bottom surface. By this measure, the insulating effect of the transport box is further improved. By extending on the one hand, the inner skin of the container on the support surface and on the other hand, the inner skin of the lid on the bottom surface, Two particularly smooth surfaces lie on top of each other and further improve the insulating effect.
Gemäß einer vorteilhaften Weiterbildung ist vorgesehen, dass sich der Ab- stand jeweils zweier einander gegenüberliegender Wände des Behälters in Richtung vom Boden weg vergrößert. Dies hat den Vorteil, dass nach dem Herstellungsprozeß des Behälters dieser leichter von der Herstellform entfernt werden kann. Der Behälter und die Herstellform kommen sogleich nach dem Abheben außer Kontakt, was insbesondere im Hinblick auf die glatte Innenhaut von Vorteil ist, die beim Entfernen des Behälters aus der Herstellform nicht an deren Oberfläche entlang gleiten muß, was ein Zerkratzen nach sich ziehen könnte. According to an advantageous development, it is provided that the distance of each of two mutually opposite walls of the container increases in the direction away from the ground. This has the advantage that after the manufacturing process of the container this can be easily removed from the manufacturing form. The container and the manufacturing form come immediately after lifting out of contact, which is particularly advantageous in terms of the smooth inner skin, which does not have to slide along the surface when removing the container from the production form, which could result in scratching.
Die Wände können mittels Filmscharnieren mit dem Boden verbunden sein und in eine Transportposition umklappbar sein, in der sie im wesentlichen parallel zum Boden angeordnet sind. Dabei wird bevorzugt, dass sich die Innenhaut des Behälters auf die Filmscharniere erstreckt. Dies hat zum einen den Vorteil, dass auch die Ritzen zwischen den Wänden und dem Boden mit der Innenhaut ausgekleidet sind und leichter zu reinigen sind. Zum anderen hat diese Maßnahme den Vorteil, dass die Filmscharniere durch die Innenhaut verstärkt werden. Diese Ausbildung als Klappbox ist insbesondere dann vorteilhaft, wenn die Transportbox mehrfach verwendet werden soll und nach einer Verwendung leer transportiert werden muß. Dies kann dann platzsparend mit umgeklappten Wänden erfolgen. Die Wiederverwendbar- keit der Transportbox ist, wie oben dargestellt, im Übrigen der Hauptgrund für eine Ausbildung der Transportbox mit der Innenhaut. The walls can be connected by means of film hinges to the ground and be folded down into a transport position in which they are arranged substantially parallel to the ground. It is preferred that the inner skin of the container extends to the film hinges. This has the advantage that the cracks between the walls and the floor are lined with the inner skin and are easier to clean. On the other hand, this measure has the advantage that the film hinges are reinforced by the inner skin. This training as folding box is particularly advantageous if the transport box is to be used multiple times and must be transported empty after use. This can then be done to save space with folded walls. The reusability of the transport box is, as shown above, incidentally, the main reason for forming the transport box with the inner skin.
Der Behälter weist vorteilhaft in seinem Boden in dessen Innenfläche Rinnen auf, über deren Oberfläche sich die Innenhaut erstreckt. Die Rinnen dienen beispielsweise bei einer Gefriergut aufnehmenden Transportbox der Aufnahme von Schmelzwasser. Die Anbringung der Innenhaut an der Oberflä- che der Rinnen ist daher besonders vorteilhaft, da sich in den Rinnen verstärkt Verschmutzungen anlagern. The container has advantageously in its bottom in the inner surface of grooves on the surface of which the inner skin extends. The gutters are used for example in a frozen food receiving transport box of the intake of meltwater. The attachment of the inner skin to the surface surface of the gutters is therefore particularly advantageous, since accumulated dirt in the gutters.
Zweckmäßig weist der Behälter in zwei einander gegenüberliegenden Wän- den jeweils eine sich bis zur Oberkante der Wand erstreckende Vertiefung auf. In den Innenraum kann dann ein starrer Behältereinsatz eingefügt und im Bereich der Vertiefungen leichter ergriffen werden. Zudem weist der Behälter zweckmäßig an jeder zwei Wände miteinander verbindenden Kante eine Ausnehmung zum Untergreifen des Deckels auf, so dass dieser leichter vom Behälter abgehoben werden kann. The container expediently has, in each case, two opposing walls which extend up to the upper edge of the wall. In the interior of a rigid container insert can then be inserted and taken easier in the wells. In addition, the container expediently at each two walls connecting edge on a recess for engaging under the lid, so that it can be easily lifted from the container.
Im Folgenden wird die Erfindung anhand der in der Zeichnung schematisch dargestellten Ausführungsbeispiele näher erläutert. Es zeigt Fig. 1 eine Transportbox gemäß einem ersten Ausführungsbeispiel in perspektivischer Ansicht mit abgehobenem Deckel; In the following the invention will be explained in more detail with reference to the embodiments schematically illustrated in the drawing. 1 shows a transport box according to a first exemplary embodiment in a perspective view with the lid removed;
Fig. 2 den Deckel gemäß Fig. 1 von unten und Fig. 3 eine Transportbox gemäß einem zweiten Ausführungsbeispiel mit abgehobenem Deckel und halb umgeklappten Wänden. Fig. 2 shows the lid of FIG. 1 from below and Fig. 3 shows a transport box according to a second embodiment with the lid lifted and half folded walls.
Die Transportbox 10 gemäß dem ersten Ausführungsbeispiel (Fig. 1 ) weist einen Behälter 12 sowie einen Deckel 14 auf. Der Behälter 12 weist einen Boden 16 auf sowie vier sich vom rechteckigen Boden 16 aus senkrecht nach oben erstreckende Wände 18. Der Boden 16 und die Wände 18 begrenzen einen nach oben offenen Transportraum 20, der durch Aufsetzen des Deckels 14 auf den Behälter 12 verschlossen werden kann. Der Behälter 12 und der Deckel 14 sind jeweils einstückig in gleicher Weise aus einem Partikelschaumstoff aus expandiertem Polypropylen (EPP) her- gestellt. Der Partikelschaumstoff weist eine Vielzahl von miteinander versinterten Schaumpartikeln auf, wobei die Schaumpartikel jeweils eine Außenwand und einen von der Außenwand umschlossenen, im wesentlichen hohlen Innenraum aufweisen, in welchem sich Zellen befinden, deren Haut we- sentlich dünner ist als die Außenwand, und die entweder miteinander kommunizieren oder geschlossen sind. Zwischen den Schaumpartikeln befinden sich Poren, die Hohlräume darstellen. Um die an die den Transportraum 20 begrenzenden Innenflächen 22 des Behälters 12 und des Deckels 14 angrenzenden Poren zu verkleinern, sind diese Innenflächen 22 durch Wär- mebeaufschlagung derart behandelt, dass die an sie angrenzenden Außenwandabschnitte der Schaumpartikel eine Dicke von mindestens 0,2 mm aufweisen, während die übliche Wanddicke der Schaumpartikel geringer ist. Dadurch wird an den Innenflächen 22 des Behälters 12 und des Deckels 14 jeweils eine Innenhaut 24 gebildet. The transport box 10 according to the first embodiment (FIG. 1) has a container 12 and a lid 14. The container 12 comprises a bottom 16 and four walls 18 extending vertically upwardly from the rectangular bottom 16. The bottom 16 and the walls 18 define an upwardly open transport space 20 which is closed by placing the lid 14 on the container 12 can. The container 12 and the lid 14 are each made in one piece in the same way from expanded polypropylene (EPP) particle foam. posed. The particle foam has a multiplicity of foam particles sintered together, the foam particles each having an outer wall and a substantially hollow inner space enclosed by the outer wall, in which there are cells, the skin of which is substantially thinner than the outer wall, and either communicate with each other or are closed. Between the foam particles are pores, which are voids. In order to reduce the size of the pores bordering the transport space 20 on the inner surfaces 22 of the container 12 and the lid 14, these inner surfaces 22 are treated by applying heat such that the outer wall portions of the foam particles adjoining them have a thickness of at least 0.2 mm while the usual wall thickness of the foam particles is lower. As a result, in each case an inner skin 24 is formed on the inner surfaces 22 of the container 12 and the lid 14.
Der Behälter 12 weist an den Oberkanten seiner Wände 18 einen umlaufenden Rand 26 auf, der gegenüber der Außenfläche 28 der Wände 18 nach innen versetzt ist, so dass der Behälter 12 einen umlaufenden Absatz 30 aufweist. Der Deckel 14 weist, wie in Fig. 2 gezeigt, an seiner Unterseite eine umlaufende Aufnahmerinne 32 zur Aufnahme des Rands 26 auf. Dabei erstreckt sich die Innenhaut 24 des Deckels 14 bis auf eine Bodenfläche 34 der Rinne 32. Die Innenhaut 24 des Behälters 12 erstreckt sich bis auf eine horizontal verlaufende Auflagefläche 36 des Rands 26. Die Innenflächen der Wände 18 verlaufen nicht exakt senkrecht zur Innenfläche des Bodens 16, sondern sind ein wenig nach außen geneigt, so dass sich der Abstand jeweils zweier einander gegenüberliegender Wände 18 ausgehend vom Boden 16 nach oben hin vergrößert. In zwei einander gegenüberliegenden Wänden 18 ist zudem jeweils mittig eine Vertiefung 38 an- geordnet, die sich vom Boden 16 bis zur Oberkante erstreckt. Die beiden Vertiefungen 38 sind spiegelsymmetrisch bezüglich einer Längsmittelebene des Behälters 12 ausgebildet. An jeder der zwei Wände 18 miteinander verbindenden Kanten 40 weist der Absatz (30) eine Vertiefung 42 auf, die ein Untergreifen des Deckels 14 durch eine Bedienperson ermöglicht. Zudem ist der Rand 26 oberhalb der Ausnehmungen 42 jeweils mit einem Rastvor- sprung 44 versehen, durch den der Behälter 12 mit dem Deckel 14 verrastet werden kann. The container 12 has at the upper edges of its walls 18 a peripheral edge 26 which is offset from the outer surface 28 of the walls 18 inwardly, so that the container 12 has a peripheral shoulder 30. The lid 14 has, as shown in Fig. 2, on its underside a circumferential receiving channel 32 for receiving the edge 26. In this case, the inner skin 24 of the lid 14 extends to a bottom surface 34 of the channel 32. The inner skin 24 of the container 12 extends to a horizontally extending bearing surface 36 of the rim 26. The inner surfaces of the walls 18 are not exactly perpendicular to the inner surface of the bottom 16, but are slightly inclined outwards, so that the distance between each two opposing walls 18, starting from the bottom 16 increases towards the top. In addition, a recess 38, which extends from the bottom 16 to the upper edge, is arranged in each case centrally in two mutually opposite walls 18. The two recesses 38 are mirror-symmetrical with respect to a longitudinal center plane the container 12 is formed. At each of the two walls 18 interconnecting edges 40, the shoulder (30) has a recess 42 which allows under grasping of the lid 14 by an operator. In addition, the edge 26 above the recesses 42 is in each case provided with a latching projection 44, by means of which the container 12 can be latched to the cover 14.
Die Transportbox 1 10 gemäß dem zweiten Ausführungsbeispiel (Fig. 3) unterscheidet sich von der Transportbox 10 gemäß dem ersten Ausführungs- beispiel im wesentlichen darin, dass die Wände 18 gegenüber dem Boden 16 umgeklappt werden können. Zu diesem Zweck sind sie mittels Filmscharnieren 46, die eine dünnwandige, biegsame Verbindung darstellen, einstückig mit dem Boden 16 verbunden. Auch über die Filmscharniere 46 erstreckt sich die Innenhaut 24. Desweiteren ist der Boden 16 mit parallel zu- einander verlaufenden, langgestreckten Rinnen 48 versehen, die die Form eines Abschnitts eines Zylinders aufweisen und über die sich ebenfalls die Innenhaut 24 erstreckt. The transport box 110 according to the second exemplary embodiment (FIG. 3) differs from the transport box 10 according to the first exemplary embodiment essentially in that the walls 18 can be folded over relative to the floor 16. For this purpose, they are integrally connected to the base 16 by means of film hinges 46, which constitute a thin-walled, flexible connection. The inner skin 24 also extends over the film hinges 46. Furthermore, the base 16 is provided with elongate grooves 48 running parallel to one another, which have the shape of a section of a cylinder and over which the inner skin 24 likewise extends.
Zusammenfassend ist folgendes festzuhalten: In summary, the following should be noted:
Die Erfindung betrifft eine Transportbox mit einem einen Boden 16 und sich vom Boden 16 aus erstreckende Wände 18 aufweisenden, einen Transportraum 20 begrenzenden einstückigen Behälter 12, welcher aus einem Partikelschaumstoff aus expandiertem Polypropylen (EPP) besteht, der eine Viel- zahl von miteinander versinterten Schaumpartikeln aufweist, wobei die Schaumpartikel jeweils eine Außenwand und einen von der Außenwand umschlossenen, im wesentlichen hohlen Innenraum aufweisen. Erfindungsgemäß ist vorgesehen, dass die Außenwände der Schaumpartikel an den den Transportraum 20 begrenzenden Innenflächen 22 des Behälters 12 dicker sind als an den übrigen Stellen des Behälters 12 und eine Innenhaut 24 am Behälter 12 bilden. The invention relates to a transport box comprising a one-piece container 12 having a bottom 16 and walls 16 extending from the bottom 16 and delimiting a transport space 20, which consists of expanded polypropylene (EPP) particle foam comprising a multiplicity of foam particles sintered together wherein the foam particles each have an outer wall and an enclosed by the outer wall, substantially hollow interior. According to the invention, it is provided that the outer walls of the foam particles on the transport space 20 bounding inner surfaces 22 of the container 12 are thicker than at the remaining locations of the container 12 and an inner skin 24 on the container 12 form.

Claims

Patentansprüche claims
1 . Transportbox mit einem einen Boden (16) und sich vom Boden (16) aus erstreckende Wände (18) aufweisenden, einen Transportraum (20) begrenzenden einstückigen Behälter (12), welcher aus einem Partikelschaumstoff aus expandiertem Polypropylen (EPP) besteht, der eine Vielzahl von miteinander versinterten Schaumpartikeln aufweist, wobei die Schaumpartikel jeweils eine Außenwand und einen von der Außenwand umschlossenen, im wesentlichen hohlen Innenraum aufweisen, dadurch gekennzeichnet, dass die Außenwände der Schaumpartikel an den den Transportraum (20) begrenzenden Innenflächen (22) des Behälters (12) dicker sind als an den übrigen Stellen des Behälters (12) und eine Innenhaut (24) am Behälter (12) bilden. 1 . A transport box comprising a one-piece container (12) having a bottom (16) and walls (18) extending from the bottom (16) and defining a transport space (20) made of expanded polypropylene (EPP) expanded particle foam having a plurality thereof of foam particles sintered together, the foam particles each having an outer wall and a substantially hollow inner space enclosed by the outer wall, characterized in that the outer walls of the foam particles are bounded on the inner surfaces (22) of the container (12) delimiting the transport space (20). thicker than at the remaining points of the container (12) and an inner skin (24) on the container (12) form.
2. Transportbox nach Anspruch 1 , gekennzeichnet durch einen einstückigen Deckel (14) zum Verschließen desTransportraums (20), welcher aus einem Partikelschaumstoff aus expandiertem Polypropylen (EPP) besteht, der eine Vielzahl von miteinander versinterten Schaumpartikeln aufweist, wobei die Schaumpartikel jeweils eine Außenwand und einen von der Außenwand umschlossenen, im wesentlichen hohlen Innenraum aufweisen, wobei die Außenwände der Schaumpartikel an der den Transportraum begrenzenden Innenfläche (22) des Deckels (14) dicker sind als an den übrigen Stellen des Deckels (14) und eine Innenhaut (24) am Deckel (14) bilden. 2. Transport box according to claim 1, characterized by a one-piece lid (14) for closing the transport space (20), which consists of an expanded polypropylene (EPP) particle foam having a plurality of foam particles sintered together, the foam particles each having an outer wall and a substantially hollow interior space enclosed by the outer wall, wherein the outer walls of the foam particles are thicker on the inner space (22) of the cover (14) bounding the transport space than on the remaining locations of the cover (14) and an inner skin (24) on the Form cover (14).
3. Transportbox nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Außenwände der Schaumpartikel an den Innenflächen (22) des Behälters (12) und gegebenenfalls des Deckels (14) mindestens zweimal, vorzugsweise mindestens dreimal und idealerweise mindestens siebenmal so dick sind wie an den übrigen Stellen des Behälters (12) bzw. des Deckels (14). 3. Transport box according to claim 1 or 2, characterized in that the outer walls of the foam particles on the inner surfaces (22) of the container (12) and optionally the lid (14) at least twice, preferably at least three times and ideally at least seven times as thick as the remaining locations of the container (12) and the lid (14).
4. Transportbox nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Außenwände der Schaumpartikel an den Innenwänden (22) des Behälters (12) und gegebenenfalls des Deckels (14) eine Dicke von mindestens 0,2 mm aufweisen. 4. Transport box according to one of the preceding claims, characterized in that the outer walls of the foam particles on the inner walls (22) of the container (12) and optionally the lid (14) have a thickness of at least 0.2 mm.
5. Transportbox nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die zwischen den Schaumpartikeln befindlichen Poren auf den den Transportraum (20) begrenzenden Innenflächen (22) des Behälters (12) und gegebenenfalls des Deckels (14) eine maximale Größe von 0,2 mm aufweisen. 5. Transport box according to one of the preceding claims, characterized in that the pores located between the foam pores on the transport space (20) delimiting inner surfaces (22) of the container (12) and optionally the lid (14) has a maximum size of 0.2 mm have.
6. Transportbox nach einem der Ansprüche 2 bis 5, dadurch gekennzeichnet, dass der Behälter (12) an den Oberkanten der Wände (18) einen rings umlaufenden Rand (26) aufweist, dass der Deckel (14) eine rings umlaufende Rinne (32) zur Aufnahme des Rands (26) aufweist, wobei eine Bodenfläche (34) der Aufnahmerinne (32) zur Auflage auf einer Auflagefläche (36) des Rands (26) bestimmt ist, und dass sich die Innenhaut (24) des Behälters (12) über die Auflagefläche (36) und die Innenhaut (24) des Deckels (14) über die Bodenfläche (34) erstreckt. 6. Transport box according to one of claims 2 to 5, characterized in that the container (12) at the upper edges of the walls (18) has a ring-encircling edge (26) that the lid (14) has an annular circumferential groove (32). for receiving the edge (26), wherein a bottom surface (34) of the receiving channel (32) for supporting on a support surface (36) of the edge (26) is determined, and that the inner skin (24) of the container (12) via the support surface (36) and the inner skin (24) of the lid (14) extend over the bottom surface (34).
7. Transportbox nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass sich der Abstand jeweils zweier einander gegenüberliegende Wände (18) des Behälters (12) in Richtung vom Boden (16) weg vergrößert. 7. Transport box according to one of the preceding claims, characterized in that the distance increases in each case two opposing walls (18) of the container (12) in the direction of the bottom (16) away.
8. Transportbox nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Wände (18) mittels Filmscharnieren (46) mit dem Boden (16) verbunden sind und in eine Transportposition umklappbar sind, in der sie im wesentlichen parallel zum Boden (16) angeordnet sind. 8. Transport box according to one of the preceding claims, characterized in that the walls (18) by means of film hinges (46) are connected to the bottom (16) and can be folded into a transport position in which they are arranged substantially parallel to the bottom (16) are.
9. Transportbox nach Anspruch 8, dadurch gekennzeichnet, dass sich die Innenhaut (24) des Behälters (12) auf die Filmscharniere (46) erstreckt. 9. Transport box according to claim 8, characterized in that the inner skin (24) of the container (12) extends to the film hinges (46).
10. Transportbox nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Behälter (12) in seinem Boden (16) an dessen Innenfläche (22) Rinnen (48) aufweist, über deren Oberfläche sich die Innenhaut (24) erstreckt. 10. Transport box according to one of the preceding claims, characterized in that the container (12) in its bottom (16) on its inner surface (22) grooves (48), over the surface of which the inner skin (24) extends.
1 1 . Transportbox nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Behälter (12) in zwei einander gegenüberliegenden Wänden (18) jeweils eine sich bis zur Oberkante der Wand (18) erstreckende Vertiefung (38) aufweist. 1 1. Transport box according to one of the preceding claims, characterized in that the container (12) in two mutually opposite walls (18) each have a to the upper edge of the wall (18) extending recess (38).
12. Transportbox nach einem der Ansprüche 2 bis 1 1 , dadurch gekennzeichnet, dass der Behälter (12) an jeder zwei Wände (18) miteinander verbindenden Kante (40) eine Ausnehmung (42) zum Untergreifen des Deckels (14) aufweist. 12. Transport box according to one of claims 2 to 1 1, characterized in that the container (12) on each two walls (18) interconnecting edge (40) has a recess (42) for engaging under the lid (14).
EP11712535.1A 2010-04-15 2011-03-31 Transport box Revoked EP2558378B1 (en)

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DE202010005090U DE202010005090U1 (en) 2010-04-15 2010-04-15 Pet crate
PCT/EP2011/054971 WO2011141226A1 (en) 2010-04-15 2011-03-31 Transport box

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DE202010005090U1 (en) 2010-07-08
EP2558378B1 (en) 2014-07-23
ES2518891T3 (en) 2014-11-05
WO2011141226A1 (en) 2011-11-17
US20130056479A1 (en) 2013-03-07

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