EP2371721B1 - Container made of plastic, in particular a bottle crate with a hollow handle and method for producing same - Google Patents

Container made of plastic, in particular a bottle crate with a hollow handle and method for producing same Download PDF

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Publication number
EP2371721B1
EP2371721B1 EP11153200.8A EP11153200A EP2371721B1 EP 2371721 B1 EP2371721 B1 EP 2371721B1 EP 11153200 A EP11153200 A EP 11153200A EP 2371721 B1 EP2371721 B1 EP 2371721B1
Authority
EP
European Patent Office
Prior art keywords
handle
wall
profile support
plastic
gas injection
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.)
Not-in-force
Application number
EP11153200.8A
Other languages
German (de)
French (fr)
Other versions
EP2371721A1 (en
Inventor
Martin Fetzer
Mario Barche
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.)
Schoeller Allibert GmbH
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Schoeller Allibert GmbH
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Publication date
Application filed by Schoeller Allibert GmbH filed Critical Schoeller Allibert GmbH
Publication of EP2371721A1 publication Critical patent/EP2371721A1/en
Application granted granted Critical
Publication of EP2371721B1 publication Critical patent/EP2371721B1/en
Not-in-force legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/22—Boxes or like containers with side walls of substantial depth for enclosing contents
    • B65D1/24—Boxes or like containers with side walls of substantial depth for enclosing contents with moulded compartments or partitions
    • B65D1/243—Crates for bottles or like containers
    • 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
    • B65D2501/00—Containers having bodies formed in one piece
    • B65D2501/24—Boxes or like containers with moulded compartments or partitions
    • B65D2501/24006—Details relating to bottle crates
    • B65D2501/24012—Materials
    • B65D2501/24019—Mainly plastics
    • 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
    • B65D2501/00—Containers having bodies formed in one piece
    • B65D2501/24—Boxes or like containers with moulded compartments or partitions
    • B65D2501/24006—Details relating to bottle crates
    • B65D2501/2405—Construction
    • B65D2501/24063—Construction of the walls
    • B65D2501/2407—Apertured
    • 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
    • B65D2501/00—Containers having bodies formed in one piece
    • B65D2501/24—Boxes or like containers with moulded compartments or partitions
    • B65D2501/24006—Details relating to bottle crates
    • B65D2501/24197—Arrangements for locating the bottles
    • B65D2501/24203—Construction of locating arrangements
    • B65D2501/24261—Ribs on 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
    • B65D2501/00—Containers having bodies formed in one piece
    • B65D2501/24—Boxes or like containers with moulded compartments or partitions
    • B65D2501/24006—Details relating to bottle crates
    • B65D2501/24363—Handles
    • B65D2501/24369—Fixed, i.e. non swingable
    • B65D2501/24401—Fixed, i.e. non swingable provided on a local area near to or at the upper edge or rim
    • 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
    • B65D2501/00—Containers having bodies formed in one piece
    • B65D2501/24—Boxes or like containers with moulded compartments or partitions
    • B65D2501/24006—Details relating to bottle crates
    • B65D2501/24363—Handles
    • B65D2501/24509—Integral handles
    • B65D2501/24522—Integral handles provided near to or at the uper edge or rim
    • 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
    • B65D2501/00—Containers having bodies formed in one piece
    • B65D2501/24—Boxes or like containers with moulded compartments or partitions
    • B65D2501/24006—Details relating to bottle crates
    • B65D2501/24363—Handles
    • B65D2501/24509—Integral handles
    • B65D2501/24535—Integral handles formed in the walls, e.g. roughnings, cavities or projections
    • 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
    • B65D2501/00—Containers having bodies formed in one piece
    • B65D2501/24—Boxes or like containers with moulded compartments or partitions
    • B65D2501/24006—Details relating to bottle crates
    • B65D2501/24764—Reinforcements
    • B65D2501/2477—Parts reinforced
    • B65D2501/24777—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
    • B65D2501/00—Containers having bodies formed in one piece
    • B65D2501/24—Boxes or like containers with moulded compartments or partitions
    • B65D2501/24006—Details relating to bottle crates
    • B65D2501/24764—Reinforcements
    • B65D2501/24789—Means used for reinforcing
    • B65D2501/24802—Hollow integral ribs
    • 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
    • B65D2501/00—Containers having bodies formed in one piece
    • B65D2501/24—Boxes or like containers with moulded compartments or partitions
    • B65D2501/24006—Details relating to bottle crates
    • B65D2501/24764—Reinforcements
    • B65D2501/24828—Location of the reinforcing means
    • B65D2501/24834—Inside the crate
    • 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
    • B65D2501/00—Containers having bodies formed in one piece
    • B65D2501/24—Boxes or like containers with moulded compartments or partitions
    • B65D2501/24006—Details relating to bottle crates
    • B65D2501/24764—Reinforcements
    • B65D2501/24828—Location of the reinforcing means
    • B65D2501/24847—Oriented mainly vertically

Definitions

  • the invention relates to a container made of plastic, in particular bottle crate according to the preamble of claim 1 and a method for producing such a container.
  • Such plastic containers are usually formed by injection molding, for which purpose corresponding molds having a negative of the box to be formed having a mold cavity are used, into which hot plastic melt is injected.
  • the cavity formation of a handle is often done by gas injection via a needle, the gas usually from the lower or inner edge of the handle, i. of the handle to be formed, is blown forth through channels in the tool.
  • the needle is in the melt, and thus in the contour of the handle. In this case remains after production of the box, the Gaseinblasö réelle, which is felt when carrying the handle, which is disadvantageous.
  • cleaning water can penetrate through the opening during the periodic cleaning process of such boxes, which in turn is disadvantageous, in particular also from a hygienic point of view. Because of this, such a gas injection opening is often closed in a final additional operation. However, additional operations slow down production and lead to higher prices.
  • the object of the invention is to provide a corresponding container, in particular bottle crate, which is free from the described disadvantages of the prior art.
  • the Gaseinblasö réelle is provided for the injection of gas for cavity formation of the handle in the handle laterally delimiting wall of the profile spar on the inside of the profile spar on the inner wall, wherein the Gaseinblasung takes place through the Gaseinblasö réelle in the handle laterally delimiting inner wall of the profile spar.
  • the injection of the gas is no longer effected by means of a needle which dips into the melt, but preferably via an opening or mouth which is flush with the contour. In some cases, this mouth can be expediently slightly overhanging or reset. As a result, a closure of the opening is automatically given because nothing is in the contour. The opening closes automatically, but without additional work step.
  • the handles are at least on one side preferably reinforced on both sides by hollow and from the upper edge of the box downwardly extending profile spars, which extend into the box interior from the inside of the side wall surface and are made by form of swords.
  • the gas injection takes place from the side of the handle forth on the laterally adjoining wall surface on the handle, which has the advantage in hollow profile spars that the Gaseinblasö réelle is hidden to the outside, as it lies in the interior of the cavity of the profile spars.
  • FIG. 1 shows in partial view a side wall of a bottle crate, seen from the inside, which is formed in the usual manner of a box bottom and integrally formed circumferential four side walls and square or rectangular, but also has another floor plan.
  • Such boxes have in at least one side wall or a plurality of side walls handles, which are usually formed by handles on the upper edge of the box.
  • FIG. 1 shows a generally designated 1 side wall with a handle 2 above a display opening or handle opening 3 and an on both sides of the handle adjacent, in FIG. 1 only indicated hollow vertical spar 5, which extends from the bottom of the box substantially to the upper edge of the box. Such spars 5 are provided on both sides of the handle in the rule, as in particular from FIG. 2 evident.
  • the profile struts 5 after FIG. 1 are formed in a conventional manner by forming blades, which extend into the injection molding cavity of the tool and are pulled out of the mold cavity after molding of the bottle crate, so that the hollow formation of a profile spar is formed.
  • the gas injection takes place from the side of the handle or the handle ago in overlap with the handle and that according to FIG. 1 from the inside of the profile Holmes 5 ago, which has approximately triangular plan here.
  • this opening is denoted by 6 by dashed lines.
  • This opening is introduced on the inner wall 7 of the profile struts 5 and approximately at the lower edge of the handle, but in overlap with the handle and leads directly in the direction of the handle, so that by appropriate gas injection in the handle 2, a cavity accordingly FIG. 3 is produced. There, the cavity is designated 8.
  • the melt Since the cavity from the inside does not cool so quickly, and in this area, the melt is adjacent only outside of the tool and heat is dissipated, the melt remains liquid longer, and closes the injection hole independently.
  • FIG. 2 goes the hollow profile spar 5 in more detail. As FIG. 2 shows, these bars 5 are provided on both sides of the handle and close the edge of the handle or display opening 3, protrude inwardly beyond the side wall 1 and serve to stabilize the box in the region of the handle or display opening 3 and the handle second

Landscapes

  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)

Description

Die Erfindung betrifft einen Behälter aus Kunststoff, insbesondere Flaschenkasten gemäß dem Oberbegriff des Patentanspruches 1 sowie ein Verfahren zur Herstellung eines solchen Behälters.The invention relates to a container made of plastic, in particular bottle crate according to the preamble of claim 1 and a method for producing such a container.

Derartige Kunststoffbehälter, insbesondere Flaschenkasten werden zumeist durch Spritzgießen gebildet, wozu entsprechende Formwerkzeuge mit einem das Negativ des zu formenden Kastens aufweisenden Formhohlraum verwendet werden, in welche heiße Kunststoffschmelze eingespritzt wird. Hierbei erfolgt die Hohlraumausbildung eines Handgriffs häufig durch Gaseinblasung über eine Nadel, wobei das Gas zumeist vom unteren oder inneren Rand des Handgriffes, d.h. des zu formenden Handgriffs, her über Kanäle im Werkzeug eingeblasen wird. Die Nadel steht dabei in der Schmelze, und somit in der Kontur des Handgriffs. Hierbei verbleibt aber nach Herstellung des Kastens die Gaseinblasöffnung, die bei Tragen des Handgriffs fühlbar ist, was nachteilhaft ist. Zudem kann über die Öffnung Reinigungswasser während des periodisch stattfindenden Reinigungsvorgangs derartiger Kasten eindringen, was wiederum nachteilhaft ist, insbesondere auch aus hygienischen Gesichtspunkten. Deswegen wird häufig eine solche Gaseinblasöffnung in einem abschließenden zusätzlichen Arbeitsvorgang verschlossen. Zusätzliche Arbeitsvorgänge verlangsamen aber die Herstellung und führen zu einer Verteuerung.Such plastic containers, in particular bottle crates, are usually formed by injection molding, for which purpose corresponding molds having a negative of the box to be formed having a mold cavity are used, into which hot plastic melt is injected. Here, the cavity formation of a handle is often done by gas injection via a needle, the gas usually from the lower or inner edge of the handle, i. of the handle to be formed, is blown forth through channels in the tool. The needle is in the melt, and thus in the contour of the handle. In this case remains after production of the box, the Gaseinblasöffnung, which is felt when carrying the handle, which is disadvantageous. In addition, cleaning water can penetrate through the opening during the periodic cleaning process of such boxes, which in turn is disadvantageous, in particular also from a hygienic point of view. Because of this, such a gas injection opening is often closed in a final additional operation. However, additional operations slow down production and lead to higher prices.

Aus der NL 8 903 105 ist die Herstellung eines Flaschenkastens bekannt, der mit nach Innen gerichteten Profilholmen in Hohlbauweise und geschlossener Ausführung ausgebildet ist, bei dem der Hohlraum im Profilholm jeweils durch Gaseinblasung erfolgt und zwar von der Außenfläche des Flaschenkastens her im Bereich des Handgriffes. Schließlich ist es aus der WO 90/05 676 bekannt, Handgriffe hohl durch Gaseinblasung auszubilden, wobei die Gaseinblasung vom Kastenboden her erfolgt oder von gegenüberliegenden Seitenwänden her.From the NL 8 903 105 the production of a bottle crate is known, which is formed with inwardly directed profile beams in hollow construction and closed design, in which the cavity in the profile spar respectively by gas injection takes place and that from the outer surface of the bottle crate forth in the region of the handle. Finally it is off the WO 90/05676 known to form handles hollow by gas injection, wherein the gas injection takes place from the box bottom ago or from opposite side walls.

Aufgabe der Erfindung ist es, einen entsprechenden Behälter, insbesondere Flaschenkasten zu schaffen, der frei von den beschriebenen Nachteilen des Standes der Technik ist.The object of the invention is to provide a corresponding container, in particular bottle crate, which is free from the described disadvantages of the prior art.

Diese Aufgabe wird erfindungsgemäß durch den Behältergemäß Anspruch 1 gelöst sowie durch das Verfahren gemäß Anspruch 2, wobei zweckmäßige Weiterbildungen sich aus dem Unteranspruch ergeben.This object is achieved by the container according to claim 1 and by the method according to claim 2, wherein expedient further developments emerge from the dependent claim.

Nach Maßgabe der Erfindung ist die Gaseinblasöffnung für die Gaseinblasung zur Hohlraumausbildung des Handgriffs in der den Handgriff seitlich begrenzenden Wand des Profilholms an der Innenseite des Profilholms an dessen Innenwand vorgesehen, wobei durch die Gaseinblasöffnung in der den Handgriff seitlich begrenzenden Innenwand des Profilholms die Gaseinblasung erfolgt. Das Einblasen des Gases erfolgt nicht mehr mittels einer Nadel die in die Schmelze eintaucht, sondern vorzugsweise über eine Öffnung oder Mündung welche bündig mit der Kontur abschließt. In einigen Fällen kann diese Mündung zweckmäßigerweise auch etwas überstehend oder zurückgesetzt sein. Dadurch ist ein Verschließen der Öffnung automatisch gegeben, da nichts mehr in die Kontur steht. Die Öffnung schließt selbsttätig, aber ohne zusätzlichen Arbeitsschritt. Hierbei sind zur Stabilität die Handgriffe Zumindest an einer Seite vorzugsweise beidseits durch hohle und vom oberen Kastenrand nach unten verlaufende Profilholme verstärkt, die sich in das Kasteninnere von der Innenseite der Seitenwandfläche her erstrecken und durch Formschwerter hergestellt sind. In diesen Fall erfolgt die Gaseinblasung von der Seite des Handgriffs her über die am Handgriff seitlich anschließende Wandfläche her, was bei Hohlprofilholmen den Vorteil hat, dass die Gaseinblasöffnung nach außen hin versteckt ist, da diese im Inneren des Hohlraums des Profilholme liegt.According to the invention, the Gaseinblasöffnung is provided for the injection of gas for cavity formation of the handle in the handle laterally delimiting wall of the profile spar on the inside of the profile spar on the inner wall, wherein the Gaseinblasung takes place through the Gaseinblasöffnung in the handle laterally delimiting inner wall of the profile spar. The injection of the gas is no longer effected by means of a needle which dips into the melt, but preferably via an opening or mouth which is flush with the contour. In some cases, this mouth can be expediently slightly overhanging or reset. As a result, a closure of the opening is automatically given because nothing is in the contour. The opening closes automatically, but without additional work step. Here, for stability, the handles are at least on one side preferably reinforced on both sides by hollow and from the upper edge of the box downwardly extending profile spars, which extend into the box interior from the inside of the side wall surface and are made by form of swords. In this case, the gas injection takes place from the side of the handle forth on the laterally adjoining wall surface on the handle, which has the advantage in hollow profile spars that the Gaseinblasöffnung is hidden to the outside, as it lies in the interior of the cavity of the profile spars.

Nachfolgend wir ein bevorzugtes Ausführungsbeispiel der Erfindung anhand der Zeichnung beschrieben. Darin zeigen

Fig. 1
eine Teilansicht einer Seitenwand eines Flaschenkastens mit einem Handgriff, der beidseitig von vertikalen Hohlprofilholmen begrenzt ist, von denen beide Holme nur angedeutet sind,
Fig. 2
eine Ansicht entsprechend Figur 1, jedoch mit beidseitig dargestellten und mit der Seitenwand einstückig spritzgegossenen Holmen sowie
Fig. 3
eine Teilansicht des Handgriffs von Fig. 2 mit seitlichem Profilholm zur Darstellung der Hohlausbildung des Handgriffes.
Hereinafter, a preferred embodiment of the invention will be described with reference to the drawing. Show in it
Fig. 1
a partial view of a side wall of a bottle crate with a handle which is bounded on both sides by vertical hollow profile beams, of which both spars are only hinted at,
Fig. 2
a view accordingly FIG. 1 , but with both sides shown and integrally injection molded with the side wall bars and
Fig. 3
a partial view of the handle of Fig. 2 with lateral profile spar for the representation of the hollow design of the handle.

Figur 1 zeigt in Teilansicht eine Seitenwand eines Flaschenkastens, von innen her gesehen, der in der üblichen Weise aus einem Kastenboden und daran einstückig ausgebildeten umlaufenden vier Seitenwänden ausgebildet ist und quadratischen oder rechteckförmigen, aber auch anderen Grundriss aufweist. Derartige Kästen haben in mindestens einer Seitenwand oder mehreren Seitenwänden Griffe, die zumeist durch Handgriffe am oberen Kastenrand gebildet sind. FIG. 1 shows in partial view a side wall of a bottle crate, seen from the inside, which is formed in the usual manner of a box bottom and integrally formed circumferential four side walls and square or rectangular, but also has another floor plan. Such boxes have in at least one side wall or a plurality of side walls handles, which are usually formed by handles on the upper edge of the box.

Figur 1 zeigt eine allgemein mit 1 bezeichnete Seitenwand mit einem Handgriff 2 oberhalb einer Displayöffnung oder Handgrifföffnung 3 und einem beidseitg am Handgriff angrenzenden, in Figur 1 nur angedeuteten hohlen vertikalen Holm 5, der sich vom Kastenboden im Wesentlichen bis zum oberen Kastenrand erstreckt. Derartige Holme 5 sind beidseitig des Handgriffs in der Regel vorgesehen, wie insbesondere aus Figur 2 hervorgeht. FIG. 1 shows a generally designated 1 side wall with a handle 2 above a display opening or handle opening 3 and an on both sides of the handle adjacent, in FIG. 1 only indicated hollow vertical spar 5, which extends from the bottom of the box substantially to the upper edge of the box. Such spars 5 are provided on both sides of the handle in the rule, as in particular from FIG. 2 evident.

Die Profilholme 5 nach Figur 1 sind in an sich bekannter Weise durch Formschwerter gebildet, die sich in den Spritzgusshohlraum des Werkzeugs erstrecken und nach Formung des Flaschenkastens aus dem Formhohlraum herausgezogen werden, so dass die hohle Ausbildung eines Profilholms entsteht.The profile struts 5 after FIG. 1 are formed in a conventional manner by forming blades, which extend into the injection molding cavity of the tool and are pulled out of the mold cavity after molding of the bottle crate, so that the hollow formation of a profile spar is formed.

Nach Maßgabe der Erfindung erfolgt die Gaseinblasung von der Seite des Handgriffs bzw. des Handgriffs her in Überdeckung mit dem Handgriff und zwar gemäß Figur 1 von der Innenseite des Profilholmes 5 her, der hier etwa dreieckförmigen Grundriss aufweist. In Figur 1 ist diese Öffnung mit 6 bezeichnet und zwar durch strichlierte Linien. Diese Öffnung ist an der Innenwand 7 des Profilholme 5 eingebracht und etwa am unteren Rande des Handgriffs, aber in Überdeckung mit dem Handgriff und führt unmittelbar in Richtung des Handgriffes, so dass durch entsprechende Gaseinblasung im Handgriff 2 ein Hohlraum entsprechend Figur 3 erzeugt wird. Dort ist der Hohlraum mit 8 bezeichnet.According to the invention, the gas injection takes place from the side of the handle or the handle ago in overlap with the handle and that according to FIG. 1 from the inside of the profile Holmes 5 ago, which has approximately triangular plan here. In FIG. 1 this opening is denoted by 6 by dashed lines. This opening is introduced on the inner wall 7 of the profile struts 5 and approximately at the lower edge of the handle, but in overlap with the handle and leads directly in the direction of the handle, so that by appropriate gas injection in the handle 2, a cavity accordingly FIG. 3 is produced. There, the cavity is designated 8.

Da der Hohlraum von innen nicht so schnell abkühlt, und in diesem Bereich die Schmelze nur außen am Werkzeug angrenzt und Wärme abgeführt wird, bleibt die Schmelze länger flüssig, und verschließt das Einblasloch selbstständig.Since the cavity from the inside does not cool so quickly, and in this area, the melt is adjacent only outside of the tool and heat is dissipated, the melt remains liquid longer, and closes the injection hole independently.

Dies hat zur Folge, dass sich nach Gaseinblasung die Öffnung 6 von selbst verschließt infolge des noch weichen Kunststoffs, so dass in einem späteren Reinigungsvorgang Reinigungswasser nicht eindringen kann. Zudem ist selbst für den Fall, dass die Öffnung nicht bzw. nicht vollständig verschlossen wird, diese nach außen hin versteckt und wird in der Regel während des Reinigens des Flaschenkastens nicht durch Reinigungswasser gefüllt.This has the consequence that after gas injection, the opening 6 closes by itself due to the still soft plastic, so that cleaning water can not penetrate in a subsequent cleaning process. In addition, even in the event that the opening is not or not completely closed, it is hidden to the outside and is usually not filled by cleaning water during the cleaning of the bottle crate.

Aus Figur 2 geht der hohle Profilholm 5 genauer hervor. Wie Figur 2 zeigt, sind diese Holme 5 beidseitig des Handgriffs vorgesehen und schließen randseitig die Handgriffoder Displayöffnung 3 ab, ragen nach innen über die Seitenwand 1 vor und dienen zur Stabilisierung des Kastens im Bereich der Handgriff oder Displayöffnung 3 und des Handgriffs 2.Out FIG. 2 goes the hollow profile spar 5 in more detail. As FIG. 2 shows, these bars 5 are provided on both sides of the handle and close the edge of the handle or display opening 3, protrude inwardly beyond the side wall 1 and serve to stabilize the box in the region of the handle or display opening 3 and the handle second

Die.Herstellung derartiger Kästen erfolgt durch Spritzgießen aus Kunststoff in einen Formhohlraum, in den entsprechende Formschwerter hineintauchen, um die Holme auszubilden. Zumeist vom Boden her, oftmals aber auch von verschiedenen Stellen her, erfolgt das Einspritzen von Kunststoff und zwar Kunststoffschmelze zur Herstellung des Flaschenkastens.Die.Herstellung of such boxes is made by injection molding of plastic in a mold cavity, dive into the corresponding form of swords to form the spars. Mostly from the ground, but often also from different places ago, the injection of plastic and plastic melt takes place for the production of the bottle crate.

Infolge des im Bereich der Gaseinblasöffnung noch heißen Kunststoffs erfolgt nach Gaseinspritzung und Formung des Griffhohlraums ein selbsttätiges Verschließen der Gaseinblasöffnung, die im Übrigen ohnedies innerhalb des Handgriffs versteckt ist. Selbst für den Fall, dass die Gaseinblasöffnung also nicht geschlossen wird, würde ein Zutritt von Reinigungswasser während des Reinigungsvorgangs in den Handgriff verringert werden. Eine verbleibende Gaseinblasöffnung wäre damit entsprechend versteckt und würde im Übrigen beim Tragen des Handgriffs auch nicht gefühl werden können.As a result of the still hot in the gas injection opening plastic after gas injection and molding of the handle cavity is an automatic closing of Gaseinblasöffnung, which is otherwise hidden within the handle anyway. Even if the gas injection port is not closed, the access of cleaning water during the cleaning operation in the handle would be reduced. A remaining Gaseinblasöffnung would be hidden accordingly and would otherwise not feel when wearing the handle.

Claims (3)

  1. Container out of plastic, in particular bottle crate, with a base and with preferably four circumferentially arranged side walls, with at least one side wall (1) being configured with a grip which is formed by a handle (2) which is directed transversely to the corners which are formed by neighboring side walls and are extending from the base to the upper container edge, which handle is limited on at least one side, preferably on both sides, by a hollow profile support (6) being formed by a moulding sword during injection moulding, characterized in that
    the profile support (5) each forms or contains a wall which is laterally limiting the handle (2), wherein a gas injection opening (6) for injecting gas for forming a cavity of the handle is provided in the wall of the profile support which is laterally limiting the handle at an inner wall (7) of the profile support (5) and covering the handle (2), which opening leads directly in direction to the handle, wherein gas is injected from an inner side of the profile support (5) into the handle (2) through the gas injection opening (6) contained in the inner wall (7) of the profile support (5), which laterally limits the handle (2), so that a cavity is formed in the handle.
  2. Process for producing a container out of plastic, in particular a bottle crate, according to claim 1, characterized in that
    the gas injection for forming the cavity in the handle takes place from the inner wall of the profile support at the inner wall (7) of the profile support which laterally limits the handle (2), and that the gas injection opening (6) which is located laterally at the handle (2) in the limiting wall, closes after gas injection and forming of the mould cavity of the handle (2), preferably independently due to the plastics melt which is still hot in this area, wherein the gas injection takes place from the lateral edge of the handle (2) in lateral coverage of the handle (2) which is formed with the container by injection moulding, wherein the profile supports (5), which laterally limit the handle (2), are formed by moulding swords.
  3. Process for producing a container out of plastic according to claim 2,
    characterized in that the moulding swords protrude into the mould cavity for injection moulding of the plastic.
EP11153200.8A 2010-04-01 2011-02-03 Container made of plastic, in particular a bottle crate with a hollow handle and method for producing same Not-in-force EP2371721B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201010013704 DE102010013704A1 (en) 2010-04-01 2010-04-01 Plastic container, in particular bottle crate with a hollow handle and method for producing

Publications (2)

Publication Number Publication Date
EP2371721A1 EP2371721A1 (en) 2011-10-05
EP2371721B1 true EP2371721B1 (en) 2016-04-13

Family

ID=44083484

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Application Number Title Priority Date Filing Date
EP11153200.8A Not-in-force EP2371721B1 (en) 2010-04-01 2011-02-03 Container made of plastic, in particular a bottle crate with a hollow handle and method for producing same

Country Status (3)

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EP (1) EP2371721B1 (en)
DE (1) DE102010013704A1 (en)
PL (1) PL2371721T3 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR8907162A (en) * 1988-11-08 1991-02-26 Schoeller Int Eng PLASTIC BOTTLE BOX
NL8902264A (en) * 1989-09-11 1991-04-02 Wavin Bv BOTTLE CRATE.
NL8903105A (en) * 1989-12-19 1991-07-16 Wavin Bv Plastic crate with hollow column - has gas-injection opening in column with sealing wall below
DE10016973A1 (en) * 2000-04-06 2001-10-11 Oberland Engineering Gmbh Molding of a carrying handle, used for plastic crates for bottles, uses an injection of a gas medium into the mold to form hollow zones in the handle sections which contract on cooling

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DE102010013704A1 (en) 2011-10-06
PL2371721T3 (en) 2016-10-31
EP2371721A1 (en) 2011-10-05

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