EP0120367A2 - Construction element to make a rectangular container - Google Patents

Construction element to make a rectangular container Download PDF

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Publication number
EP0120367A2
EP0120367A2 EP84102493A EP84102493A EP0120367A2 EP 0120367 A2 EP0120367 A2 EP 0120367A2 EP 84102493 A EP84102493 A EP 84102493A EP 84102493 A EP84102493 A EP 84102493A EP 0120367 A2 EP0120367 A2 EP 0120367A2
Authority
EP
European Patent Office
Prior art keywords
housing
shell part
side wall
component according
housing cover
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
EP84102493A
Other languages
German (de)
French (fr)
Other versions
EP0120367A3 (en
EP0120367B1 (en
Inventor
Bruno Heinzl
Herbert Frowein
Hartmut Stiegler
Joachim Würz
Horst Schmidt
Willi Huttel
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.)
Safran Cabin Germany GmbH
Original Assignee
Buderus AG
Buderus Sell 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
Application filed by Buderus AG, Buderus Sell GmbH filed Critical Buderus AG
Publication of EP0120367A2 publication Critical patent/EP0120367A2/en
Publication of EP0120367A3 publication Critical patent/EP0120367A3/en
Application granted granted Critical
Publication of EP0120367B1 publication Critical patent/EP0120367B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B31/00—Service or tea tables, trolleys, or wagons
    • A47B31/06—Service or tea tables, trolleys, or wagons adapted to the use in vehicles
    • 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
    • B65D11/10—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material of polygonal cross-section and all parts being permanently connected to each other

Definitions

  • the invention relates to a component for producing a cuboid housing for a mobile container.
  • housings and container parts in a suitable tool, e.g. to be made from plastics such as polystyrene or polyurethane using the foaming technique or the spray technique. Furniture and device parts, as well as housings for serving trolleys, are manufactured in a mold using injection molding machines. The costs of the molding tools play a not inconsiderable effort. If several sizes of one device type are to be manufactured, corresponding molds must be available.
  • the invention has for its object to produce a container - in particular for a trolley for aircraft - made of plastic with little effort in tool costs and still maintain the required strength.
  • the housing is composed of two shell parts, the uniform shell part being designed so that it can be connected to the same shell part to form a body, but it is also possible to halve one shell part and the two parts obtained to form a body half size together.
  • the housing 1 consists of the side wall 1, half the housing cover 2 and half the housing base 3. In addition, half partitions for the upper drawer 4 and a central stiffening wall 5th be provided.
  • the housing cover 2 is provided with a raised peripheral edge 6, so that a secure storage space is created. Lateral support and guide strips 7 for trays to be inserted as well as cooling channels 8 for the cooling gas flowing out of the upper cooling compartment are formed in the side wall 1.
  • Such a component, which forms a housing half is made of a thermoplastic with very high impact strength according to the so-called TSG process. In this special process, the thermoplastic material to be sprayed is additionally mixed with a blowing agent for better mold filling and surface quality.
  • the plastic is completely colored with the desired color. This creates a practically indestructible container even in rough use, which still has its external appearance even after a long time.
  • Two such shell parts produced in the same molding tool are permanently bonded to one another to form a heavy-duty housing by appropriately designing the connection points by joining them in mirror image.
  • 3a and 3b show this in two examples in which the ceiling area is designed differently.
  • An identical part b is added to part a in mirror image.
  • the gluing point of the abutting transverse walls can be formed according to FIG. 2.
  • the Z-shaped profile ensures that the two shell parts fit together precisely because their tips slide into a counter-groove.
  • the component according to the invention is also symmetrically divided into two equal halves in relation to a central plane E (indicated by a line) that runs through the housing cover, side wall and housing base. If the shell part is separated along this plane, two parts are obtained which can likewise be joined together to form a housing, albeit of half the size, as illustrated in FIG. 4. The later separation can be facilitated by inserting strips in the area of the separation point for the molding tool.
  • connection points (Fig. 2) is formed on one half of the shell part negatively congruent to the profile of the other half of the shell part so that the shell parts, be it the whole or the halved shell parts can be put together in mirror image.
  • the side cooling gas channels 8 extending from the upper cooling compartment are arranged in the interior of the side wall 1 in such a way that after the separation of the shell divider at least one cooling gas channel 8 remains at both ends of the shell part halves, as indicated in FIG. 1.

Abstract

In einem Formwerkzeug für Spritzgießmaschinen für das Gehäuse eines fahrbaren Behälters soll ein einziges Bauelement hergestellt werden, aus welchem ein stabiler Behälter zusammengesetzt werden kann. Außerdem sollen verschiedene Behältergrößen aus diesem einzigen Bauelement hergestellt werden können. Hierzu wird vorgeschlagen, daß das Bauelement aus einem die Seitenwand 1 sowie jeweils die halbe Gehäusedecke (2) bzw. den halben Gehäuseboden (3) bildenden Schalenteil besteht. Das Schalenteil weist zwei gegenüber einer mittleren, durch Gehäusedecke, Seitenwand und Gehäuseboden verlaufenden Trennebene (E) symmetrische Hälften auf.In a mold for injection molding machines for the housing of a mobile container, a single component is to be produced, from which a stable container can be assembled. In addition, different container sizes should be able to be produced from this single component. For this purpose, it is proposed that the component consists of a shell part forming the side wall 1 and in each case half the housing cover (2) or half the housing base (3). The shell part has two halves which are symmetrical with respect to a central parting plane (E) which runs through the housing cover, side wall and housing base.

Description

Die Erfindung betrifft ein Bauelement zur Herstellung eines quaderförmigen Gehäuses für einen fahrbaren Behälter.The invention relates to a component for producing a cuboid housing for a mobile container.

Es ist heute möglich geworden Gehäuse und Behälterteile in einem entsprechenden Werkzeug z.B. nach der Ausschäumtechnik oder der Spritztechnik aus Kunststoffen wie Polystyrol oder Polyurethan herzustellen. Möbel und Geräteteile, und auch Gehäuse von Servierwagen werden in einem Formwerkzeug mittels Spritzgießmaschinen gefertigt. Einen nicht unerheblichen Aufwand spielen dabei die Kosten der Formwerkzeuge. Wenn von einem Gerätetyp mehrere Größen gefertigt werden sollen, müssen entsprechende Formwerkzeuge zur Verfügung stehen.It has now become possible to use housings and container parts in a suitable tool, e.g. to be made from plastics such as polystyrene or polyurethane using the foaming technique or the spray technique. Furniture and device parts, as well as housings for serving trolleys, are manufactured in a mold using injection molding machines. The costs of the molding tools play a not inconsiderable effort. If several sizes of one device type are to be manufactured, corresponding molds must be available.

Der Erfindung liegt die Aufgabe zugrunde einen Behälter - insbesondere für einen Servierwagen für Flugzeuge - aus Kunststoff mit geringem Aufwand an Werkzeugkosten zu fertigen und dabei doch die geforderte Festigkeit zu wahren.The invention has for its object to produce a container - in particular for a trolley for aircraft - made of plastic with little effort in tool costs and still maintain the required strength.

Diese Aufgabe wird durch die in den Ansprüchen angegebenen Merkmale gelöst.This object is achieved by the features specified in the claims.

Das Gehäuse setzt sich aus zwei Schalenteilen zusammen, wobei das einheitliche Schalenteil so ausgebildet ist, daß es einerseits mit dem gleichen Schalenteil zu einem Korpus verbunden werden kann, es aber andererseits auch möglich ist, ein Schalenteil zu halbieren und die beiden erhaltenen Teile zu einem Korpus halber Größe zusammenzufügen.The housing is composed of two shell parts, the uniform shell part being designed so that it can be connected to the same shell part to form a body, but it is also possible to halve one shell part and the two parts obtained to form a body half size together.

In der Zeichnung ist ein Ausführungsbeispiel der Neuerung dargestellt.In the drawing, an embodiment of the innovation is shown.

Es zeigen:

  • Fig. 1 das erfindungsgemäße Bauelement in perspektivischer Sicht mit angedeuteter Trennstelle.
  • Fig. 2 die Profilierung der Verbindungsstelle in größerem Maßstab gemäß Schnitt II-II der Fig. 4.
  • Fig. 3a + 3b ein aus'zwei Schalenteilen zusammengesetztes Gehäuse in unterschiedlicher Ausführung.
  • Fig. 4 ein aus einem halbierten Bauelement zusammengesetztes Gehäuse.
Show it:
  • Fig. 1 shows the component according to the invention in a perspective view with indicated separation point.
  • 2 shows the profiling of the connection point on a larger scale according to section II-II of FIG. 4th
  • 3a + 3b a housing composed of two shell parts in different designs.
  • Fig. 4 is a composed of a halved component.

Das Bauelement nach Fig. 1 besteht aus der Seitenwand 1, der halben Gehäusedecke 2 sowie dem halben Gehäuseboden 3. Zusätzlich können halbe Zwischenwände für das obere Schubfach 4 und eine mittlere Versteifungswand 5 vorgesehen sein. Die Gehäusedecke 2 ist mit einem erhöhten Umlaufrand 6 versehen, so daß eine gesicherte Abstellfläche entsteht. In der Seitenwand 1 sind seitliche Auflagen- und Führungsleisten 7 für einzuschiebende Tabletts sowie Kühlkanäle 8 für das aus dem oberen Kühlfach abströmende Kühlgas eingeformt. Ein solches, die eine Gehäusehälfte bildendes Bauelement, ist aus einem thermoplastischen Kunststoff mit sehr hoher Schlagzähigkeit nach dem sogenannten TSG-Verfahren hergestellt. Bei diesem Spezialverfahren wird das thermoplastische Spritzgut zusätzlich mit einem Treibmittel zur besseren Formfüllung und Oberflächenqualität vermischt.1 consists of the side wall 1, half the housing cover 2 and half the housing base 3. In addition, half partitions for the upper drawer 4 and a central stiffening wall 5th be provided. The housing cover 2 is provided with a raised peripheral edge 6, so that a secure storage space is created. Lateral support and guide strips 7 for trays to be inserted as well as cooling channels 8 for the cooling gas flowing out of the upper cooling compartment are formed in the side wall 1. Such a component, which forms a housing half, is made of a thermoplastic with very high impact strength according to the so-called TSG process. In this special process, the thermoplastic material to be sprayed is additionally mixed with a blowing agent for better mold filling and surface quality.

Der Kunststoff ist vollständig mit der gewünschten Farbe durchgefärbt. So entsteht auch bei rauhem Einsatz ein praktisch unverwüstlicher Behälter, welcher auch nach langer Zeit sein äußeres Aussehen noch aufweist.The plastic is completely colored with the desired color. This creates a practically indestructible container even in rough use, which still has its external appearance even after a long time.

Zwei solcher in demselben Formwerkzeug hergestellter Schalenteile werden dauerhaft zu einem hochbelastbaren Gehäuse durch entsprechende Ausbildung der Verbindungsstellen miteinander verklebt, indem man sie spiegelbildlich zusammenfügt. Fig. 3a und 3b zeigt dies an zwei Beispielen, bei denen der Deckenbereich unterschiedlich ausgeführt ist. Dem Teil a ist spiegelbildlich ein identisches Teil b hinzugefügt. Die Klebestelle der aneinanderstoßenden Querwände kann gemäß Fig. 2 ausgebildet werden. Die Z-förmige Profilierung gewährleistet eine maßgenaue Zusammenfügung der beiden Schalenteile, denn sie schieben sich mit ihrer Spitze jeweils in eine Gegennut. Durch entsprechende Auswahl des Klebers und seitlichen Druck in Pfeilrichtung entsteht eine dauerfeste Verbindung.Two such shell parts produced in the same molding tool are permanently bonded to one another to form a heavy-duty housing by appropriately designing the connection points by joining them in mirror image. 3a and 3b show this in two examples in which the ceiling area is designed differently. An identical part b is added to part a in mirror image. The gluing point of the abutting transverse walls can be formed according to FIG. 2. The Z-shaped profile ensures that the two shell parts fit together precisely because their tips slide into a counter-groove. By selecting the appropriate adhesive and applying lateral pressure in the direction of the arrow, a permanent connection is created.

Das erfindungsgemäße Bauelement ist außerdem symmetrisch zu einer mittleren, durch Gehäusedecke, Seitenwand und Gehäuseboden verlaufende Ebene E (liniert angedeutet) in zwei gleiche Hälften eingeteilt. Bei einer Trennung des Schalenteiles entlang dieser Ebene erhält man zwei Teile die ebenfalls zu einem Gehäuse -allerdings von halber Größe - zusammengefügt werden können, wie Fig. 4 veranschaulicht. Durch Einlegeleisten im Bereich der Trennstelle für das Formwerkzeug kann die spätere Trennung erleichtert werden.The component according to the invention is also symmetrically divided into two equal halves in relation to a central plane E (indicated by a line) that runs through the housing cover, side wall and housing base. If the shell part is separated along this plane, two parts are obtained which can likewise be joined together to form a housing, albeit of half the size, as illustrated in FIG. 4. The later separation can be facilitated by inserting strips in the area of the separation point for the molding tool.

Die Profilierung der Verbindungsstellen (Fig. 2) ist auf der einen Hälfte des Schalenteiles negativ kongruent zu der Profilierung der anderen Hälfte des Schalenteils ausgebildet so daß sich die Schalenteile, seien es die ganzen oder die halbierten Schalenteile spiegelbildlich zusammenfügen lassen. Aus diesem Grunde sind auch die vom oberen Kühlfach ausgehenden seitlichen Kühlgaskanäle 8 im inneren der Seitenwand 1 so angeordnet, daß nach der Trennung des Schalenteilers zu beiden Enden der Schalenteilhälften-mindestens jeweils ein Kühlgaskanal 8 verbleibt, wie dies in Fig. 1 angedeutet ist.The profiling of the connection points (Fig. 2) is formed on one half of the shell part negatively congruent to the profile of the other half of the shell part so that the shell parts, be it the whole or the halved shell parts can be put together in mirror image. For this reason, the side cooling gas channels 8 extending from the upper cooling compartment are arranged in the interior of the side wall 1 in such a way that after the separation of the shell divider at least one cooling gas channel 8 remains at both ends of the shell part halves, as indicated in FIG. 1.

Claims (5)

1. Bauelement zur Herstellung eines quaderförmigen Gehäuses für einen fahrbaren Behälter, insbesondere einen Servierwagen für Verkehrsmittel,
gekennzeichnet durch einen aus einer die eine Seitenwand (1) sowie jeweils die halbe Gehäusedecke (2) bzw. den halben Gehäuseboden (3) bildenden Schalenteil, welcher aus zwei gegenüber einer mittleren, durch Gehäusedecke, Seitenwand und Gehäuseboden verlaufenden Trennebene (E) symmetrischen Hälften besteht.1. Component for producing a cuboid housing for a mobile container, in particular a serving trolley for means of transport,
characterized by a shell part forming a side wall (1) and half the housing cover (2) or half the housing base (3), which consists of two halves symmetrical with respect to a central parting plane (E) running through the housing cover, side wall and housing base consists. 2. Bauelement nach Anspruch 1, gekennzeichnet durch mindestens eine weitere, parallel zur Gehäusedecke (2) verlaufenden Querwand (4,5).2. Component according to claim 1, characterized by at least one further, parallel to the housing cover (2) extending transverse wall (4,5). 3. Bauelement nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Profilierung der Verbindungsstellen der beiden Hälften des Schalenteils sich jeweils ineinanderfügend ausgebildet ist.3. Component according to claim 1 or 2, characterized in that the profiling of the connection points of the two halves of the shell part is formed one inside the other. 4. Bauelement nach einem der Ansprüche 1 bis 3 gekennzeichnet durch eine Z-förmige Profilierung der Verbindungsstellen.4. Component according to one of claims 1 to 3, characterized by a Z-shaped profile of the connection points. 5. Bauelement nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Seitenwand (1) jeder Hälfte des Schalenteils mindestens zwei senkrechte Kühlgaskanäle (8) eingeformt hat.5. Component according to one of claims 1 to 4, characterized in that the side wall (1) of each half of the shell part has at least two vertical cooling gas channels (8) formed.
EP84102493A 1983-03-28 1984-03-08 Construction element to make a rectangular container Expired - Lifetime EP0120367B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8309164U 1983-03-28
DE19838309164U DE8309164U1 (en) 1983-03-28 1983-03-28 COMPONENT FOR PRODUCING A SQUARE SHAPED HOUSING

Publications (3)

Publication Number Publication Date
EP0120367A2 true EP0120367A2 (en) 1984-10-03
EP0120367A3 EP0120367A3 (en) 1988-07-20
EP0120367B1 EP0120367B1 (en) 1991-09-11

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EP84102493A Expired - Lifetime EP0120367B1 (en) 1983-03-28 1984-03-08 Construction element to make a rectangular container

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US (1) US4616754A (en)
EP (1) EP0120367B1 (en)
DE (2) DE8309164U1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0381240A2 (en) * 1989-02-02 1990-08-08 InterMetro Industries Corporation A modular utility cart
NL2011754C2 (en) * 2013-11-07 2015-05-11 Gils Stephanus Johannes Van Galley container.

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Publication number Priority date Publication date Assignee Title
US4848608A (en) * 1987-10-09 1989-07-18 Grumman Aerospace Corporation Expandable racking system for trays or the like
US4910866A (en) * 1989-02-21 1990-03-27 Micron Technology, Inc. Method of manufacturing a series of leadframe strip carriers having fixed external dimensions and varied internal dimensions using a common mold
US6419098B1 (en) * 1995-02-10 2002-07-16 Donald M. Hall Nestable and/or liftable rack
US20020162813A1 (en) * 1997-04-25 2002-11-07 Hall Donald M. V-shaped nestable tray rack
US7419063B1 (en) 1996-04-26 2008-09-02 M & E Manufacturing Company, Inc. Nestable and liftable oven rack
US6102216A (en) * 1999-03-11 2000-08-15 Frank; Monty S Attire organizer
GB9911004D0 (en) * 1999-05-13 1999-07-14 Stalley Francis E Plane clearing trolley (P.E.T.)
WO2004043829A2 (en) * 2002-11-05 2004-05-27 Rynel, Inc. Trays for growth plugs, and methods of producing them
US10660982B2 (en) * 2014-04-10 2020-05-26 Gratzup Corp. Container for sterilising objects and sterilising system comprising said container
US10034806B1 (en) * 2017-05-24 2018-07-31 Samuel Greenhalgh, Sr. Over-bed table organizer

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DE1055802B (en) * 1956-06-28 1959-04-23 Bayerische Fichtenpechsiederei Process for the production of erectable containers from an organic thermoplastic material from two container halves that belong together
US2930487A (en) * 1957-05-15 1960-03-29 Dart Mfg Company Wall mountable shelf unit
US3905662A (en) * 1974-05-28 1975-09-16 Stryker Corp Combined cabinet and table
GB2021470A (en) * 1978-05-25 1979-12-05 Kangol Helmets Ltd Manufacture of hollow plastics articles
EP0066547A2 (en) * 1981-06-02 1982-12-08 Schweizerische Aluminium Ag Service trolley

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Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1055802B (en) * 1956-06-28 1959-04-23 Bayerische Fichtenpechsiederei Process for the production of erectable containers from an organic thermoplastic material from two container halves that belong together
US2930487A (en) * 1957-05-15 1960-03-29 Dart Mfg Company Wall mountable shelf unit
US3905662A (en) * 1974-05-28 1975-09-16 Stryker Corp Combined cabinet and table
GB2021470A (en) * 1978-05-25 1979-12-05 Kangol Helmets Ltd Manufacture of hollow plastics articles
EP0066547A2 (en) * 1981-06-02 1982-12-08 Schweizerische Aluminium Ag Service trolley

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0381240A2 (en) * 1989-02-02 1990-08-08 InterMetro Industries Corporation A modular utility cart
EP0381240A3 (en) * 1989-02-02 1991-09-18 InterMetro Industries Corporation A modular utility cart
NL2011754C2 (en) * 2013-11-07 2015-05-11 Gils Stephanus Johannes Van Galley container.

Also Published As

Publication number Publication date
US4616754A (en) 1986-10-14
DE8309164U1 (en) 1983-09-08
EP0120367A3 (en) 1988-07-20
DE3485031D1 (en) 1991-10-17
EP0120367B1 (en) 1991-09-11

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