EP1718513A2 - Shopping cart or transport container - Google Patents

Shopping cart or transport container

Info

Publication number
EP1718513A2
EP1718513A2 EP05735346A EP05735346A EP1718513A2 EP 1718513 A2 EP1718513 A2 EP 1718513A2 EP 05735346 A EP05735346 A EP 05735346A EP 05735346 A EP05735346 A EP 05735346A EP 1718513 A2 EP1718513 A2 EP 1718513A2
Authority
EP
European Patent Office
Prior art keywords
transport container
shopping cart
shopping
superhydrophobic
hydrophobic
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.)
Ceased
Application number
EP05735346A
Other languages
German (de)
French (fr)
Inventor
Horst Sonnendorfer
Franz Wieth
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1718513A2 publication Critical patent/EP1718513A2/en
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
    • B62B3/14—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor characterised by provisions for nesting or stacking, e.g. shopping trolleys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00—Accessories or details specially adapted for hand carts
    • B62B5/06—Hand moving equipment, e.g. handle bars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2501/00—Manufacturing; Constructional features
    • B62B2501/04—Production features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2501/00—Manufacturing; Constructional features
    • B62B2501/06—Materials used
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00—Accessories or details specially adapted for hand carts
    • B62B5/06—Hand moving equipment, e.g. handle bars
    • B62B5/069—Removable sleeves on handle bars, e.g. for protection against germs

Definitions

  • the invention relates to a shopping cart or transport container in the broadest sense.
  • the majority of the shopping carts or transport containers in use are made of galvanized, chrome-plated or painted metal.
  • the so-called basket i.e. the area in which the transported goods, for example the purchased goods, are stored, consists of a network of round metal struts.
  • the basket In order to achieve sufficient stability of the basket, the basket consists of plastic struts that are solid compared to the metal struts.
  • the shopping trolleys or transport containers are contaminated by use and require cleaning at certain intervals.
  • this cleaning method requires a lot of effort, on the other hand, this method only achieves the desired result when cleaning shopping trolleys or metal transport containers.
  • the prerequisites for cleaning are even more difficult for shopping trolleys or transport containers made of plastic, because there are joints at the intersections between the individual plastic in which dirt is deposited. Since the struts in shopping trolleys made of plastic are more solid than the metal struts, long joints are created. When cleaning shopping trolleys or plastic transport containers, these long joints at the nodes between the struts have to be cleaned again, which further increases the effort.
  • Soiling that still adheres to the dry surface can then be easily removed with normal flowing water and almost without residue.
  • Such a surface is described in WO 96/04123 and can be used in a new and inventive way to reduce the cleaning effort for shopping carts.
  • pathogens such as fungi or bacteria that stick to a shopping cart can be transferred from there to foods that are in such a shopping cart.
  • the fungal spores In order for fungi to develop, the fungal spores must first germinate. For this germination, the fungal spores need moisture.
  • the hydrophobic or superhydrophobic surface acts twice against pathogens due to the additional nanostructure in a shopping cart according to the invention. The pathogens or fungal spores are washed off with every cleaning or through rainwater and since all water runs off from the surface of the shopping cart without residue, pathogens do not find the moist environment necessary for germination or survival.
  • Bacteria are killed by using a surface with ion-releasing properties.
  • a surface with ion-releasing properties By using the combined hydrophobic or superhydrophobic and / or ion-releasing surface according to the invention, a shopping cart with the additional property of providing pathogens with no environment for survival is obtained.
  • Figure 1 shows a conventional steel shopping cart
  • Figure 2 shows a shopping cart made of plastic.
  • the surface of both shopping trolleys 1, 2 is designed to be hydrophobic or superhydrophobic and / or ion-releasing.
  • the hydrophobic or superhydrophobic and / or ion-releasing property of the surface can be achieved in the steel shopping cart by coating it with an appropriate material.
  • This coating can be applied to the shopping cart during the primary manufacturing process as well as at a later point in time, for example, during an overhaul.
  • the basket 3 which consists of a plurality of metal struts 4, is equipped with a hydrophobic or superhydrophobic and / or ion-releasing surface.
  • the remaining areas of the shopping cart that cannot come into contact with food remain without a specially treated surface.
  • the hydrophobic or superhydrophobic and / or ion-releasing surface can already be produced by appropriate manufacturing processes.
  • the basket 5 of the shopping cart 2 consists of comparatively massive struts 6. At the nodes of several struts 6 - numbered 7 in the example shown - there are angled areas at the transitions to the struts, in which dirt is stubbornly attached to normal surfaces.
  • the hydrophobic or superhydrophobic and / or ion-donating surface according to the invention is particularly advantageous in these areas.
  • the invention can be applied to any type of transport container in which the easy cleaning of dirt brings an advantage. Examples of such transport containers are, in particular, boxes, baskets or folding boxes used for grocery purchases or storage.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Handcart (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

By using a combined hydrophobic or superhydrophobic and/or ion-releasing surface, a shopping cart or transport container is obtained that has the additional feature of not providing any environment that permits the survival of pathogens.

Description

Einkaufswagen oder TransportbehälterShopping cart or shipping container
Die Erfindung bezieht sich auf einen Einkaufswagen oder Transportbehälter im weitesten Sinne.The invention relates to a shopping cart or transport container in the broadest sense.
Bei einem Großteil der im Einsatz befindlichen Einkaufswagen oder Transportbehälter ist die Oberfläche aus verzinkten, verchromtem oder lackiertem Metall. Der sogenannte Korb, also der Bereich in welchem die transportierten Güter, beispielsweise die gekauften Waren abgelegt sind, besteht aus einem Geflecht von runden Metallstreben. In geringer Anzahl existieren Einkaufswagen aus Kunststoff. Um eine ausreichende Stabilität des Korbes zu erreichen besteht der Korb aus gegenüber den Metallstreben massiven Kunststoffstreben.The majority of the shopping carts or transport containers in use are made of galvanized, chrome-plated or painted metal. The so-called basket, i.e. the area in which the transported goods, for example the purchased goods, are stored, consists of a network of round metal struts. There are a small number of plastic shopping trolleys. In order to achieve sufficient stability of the basket, the basket consists of plastic struts that are solid compared to the metal struts.
Bei den Einkaufswagen oder Transportbehältern treten durch den Gebrauch Verschmutzungen auf, die eine Reinigung in bestimmten Abständen erforderlich machen.The shopping trolleys or transport containers are contaminated by use and require cleaning at certain intervals.
Die Reinigung von Einkaufswagen oder Transportbehältern, in denen Lebensmittel transportiert werden, erfolgt aus Gründen der Lebensmittelhygiene - Vorschriften ausschließlich mit Wasser ohne Zusatz von Lösungsmitteln. Um die Reinigungswirkung des Wassers zu erhöhen, wird das Wasser mit sogenannten Dampfstrahlern bei hoher Temperatur auf die zu reinigenden Bereiche gesprüht Je nach Verschmutzungsgrad und Art ist zusätzlich eine mechanische Unterstützung durch Bürsten notwendig.For reasons of food hygiene, cleaning shopping carts or transport containers in which food is transported is done exclusively with water without the addition of solvents. In order to increase the cleaning effect of the water, the water is sprayed onto the areas to be cleaned with so-called steam jets at high temperature. Depending on the degree of contamination and type, additional mechanical support by brushes is necessary.
Diese Reinigungsmethode erfordert zum einen einen hohen Aufwand, zum anderen bringt diese Methode nur bei der Reinigung von Einkaufswagen oder Transportbehältern aus Metall das gewünschte Ergebnis. Bei Einkaufswagen oder Transportbehältern aus Kunststoff sind die Vorraussetzungen für die Reinigung nochmals schwieriger, denn an den Knotenpunkten zwischen den einzelnen Kunststoff streben gibt es Fugen, in denen sich Verschmutzungen ablagern. Da die Streben bei Einkaufswagen aus Kunststoff massiver sind als die Metallstreben enstehen lange Fugen. Bei der Reinigung von Einkaufswagen oder Transportbehältern aus Kunststoff müssen diese langen Fugen an den Knotenpunkten zwischen den Streben nochmals besonders gereinigt werden, was den Aufwand weiter erhöht.On the one hand, this cleaning method requires a lot of effort, on the other hand, this method only achieves the desired result when cleaning shopping trolleys or metal transport containers. The prerequisites for cleaning are even more difficult for shopping trolleys or transport containers made of plastic, because there are joints at the intersections between the individual plastic in which dirt is deposited. Since the struts in shopping trolleys made of plastic are more solid than the metal struts, long joints are created. When cleaning shopping trolleys or plastic transport containers, these long joints at the nodes between the struts have to be cleaned again, which further increases the effort.
Es ist Aufgabe der Erfindung einen Einkaufswagen oder Transportbehälter aus Metall oder Kunststoff zu schaffen, bei welchem der Reinigungsaufwand reduziert ist und / oder die Oberfläche kein Milieu bietet, auf dem sich Bakterien und / oder Pilze und deren Sporen halten und /oder vermehren können.It is an object of the invention to provide a shopping cart or transport container made of metal or plastic, in which the cleaning effort is reduced and / or the surface does not offer an environment in which bacteria and / or fungi and their spores can hold and / or multiply.
Diese Aufgabe ist gelöst durch die kennzeichnenden Merkmale von Anspruch 1. Die Überlegungen gingen davon aus, dass eine hydrophobe Oberfläche des Einkaufswagens oder Transportbehälters , die zusätzlich eine sogenannte Nano Struktur aufweist, den Verschmutzungen in den meisten Fällen nicht genügend Halt gibt, um fest zu haften. Solch eine Oberfläche hat dann sogenannte superhydrophobe Eigenschaften.This object is achieved by the characterizing features of claim 1. The considerations assumed that a hydrophobic surface of the shopping trolley or transport container, which additionally has a so-called nano structure, does not give the dirt sufficient hold in most cases to adhere firmly. Such a surface then has so-called superhydrophobic properties.
Verschmutzungen, die dennoch auf der trockenen Oberfläche haften bleiben sind dann mit normalen fließenden Wasser leicht und nahezu rückstandsfrei zu entfernen. Das Wasser selbst perlt hierbei nahezu rückstandslos von der Oberfläche ab und nimmt dabei die auf der Oberfläche haftenden Verschmutzungen in sich auf und transport die Verschmutzungen ab.Soiling that still adheres to the dry surface can then be easily removed with normal flowing water and almost without residue. The water itself rolls off the surface almost without residue, absorbing the dirt adhering to the surface and transporting the dirt away.
Eine solche Oberfläche ist beschrieben in der WO 96/04123 und kann in neuer und erfinderischer Weise dazu eingesetzt werden, den Reinigungsaufwand für Einkaufswagen zu reduzieren.Such a surface is described in WO 96/04123 and can be used in a new and inventive way to reduce the cleaning effort for shopping carts.
Hinsichtlich von Einkaufswagen mit einem Korb aus Kunststoff ist erstmalig ein wirtschaftlich sinnvoller Einsatz im Lebensmittelbereich möglich, da erst mit der vorliegenden Erfindung speziell das Problem des fest haftenden Schmutzes in den Ecken der Streben-Knotenpunkte entfällt.With regard to shopping carts with a basket made of plastic, an economically sensible use in the food sector is possible for the first time, since only with the present invention does the problem of firmly adhering dirt in the corners of the strut nodes become a thing of the past.
Falls der Einkaufswagen Regen ausgesetzt ist, erfolgt die Reinigung durch das Regenwasser selbst.If the shopping cart is exposed to rain, it is cleaned by the rainwater itself.
Eine weitere Überlegung ergab, dass Krankheitserreger wie Pilze oder Bakterien, die an einem Einkaufswagen haften, von dort auf Lebensmittel, die sich in solch einem Einkaufswagen befinden übertragen werden können.A further consideration showed that pathogens such as fungi or bacteria that stick to a shopping cart can be transferred from there to foods that are in such a shopping cart.
Damit sich Pilze entwickeln können müssen die Pilzsporen zunächst keimen. Für diese Keimung benötigen die Pilzsporen Feuchtigkeit. Hier wirkt die hydrophobe oder superhydrophobe Oberfläche aufgrund zusätzlicher Nanostruktur bei einem erfindungsgemäßen Einkaufswagen zweifach gegen Krankheitserreger. Bei jeder Reinigung oder durch Regenwasser werden die Krankheitserreger oder Pilzsporen abgewaschen und da von der Oberfläche des Einkaufswagens alles Wasser rückstandslos abläuft finden Krankheitserreger nicht das zum Keimen oder Überleben nötige feuchte Milieu vor.In order for fungi to develop, the fungal spores must first germinate. For this germination, the fungal spores need moisture. Here, the hydrophobic or superhydrophobic surface acts twice against pathogens due to the additional nanostructure in a shopping cart according to the invention. The pathogens or fungal spores are washed off with every cleaning or through rainwater and since all water runs off from the surface of the shopping cart without residue, pathogens do not find the moist environment necessary for germination or survival.
Gleichzeitig werden Pilzsporen, die auf der trockenen Oberfläche gehaftet haben durch das ablaufende Wasser mitgenommen und von der Oberfläche entfernt.At the same time, fungal spores that have stuck to the dry surface are carried away by the water running off and removed from the surface.
Durch den Einsatz einer Oberfläche mit ionenabgebenden Eigenschaften wird eine Abtötung von Bakterien erreicht. Durch den erfindungsgemäßen Einsatz der kombinierten hydrophoben oder superhydrophoben und / oder ionenabgebende Oberfläche erhält man einen Einkaufswagen mit der zusätzlichen Eigenschaft Krankheiterregern kein Milieu zum Überleben bereitzustellen.Bacteria are killed by using a surface with ion-releasing properties. By using the combined hydrophobic or superhydrophobic and / or ion-releasing surface according to the invention, a shopping cart with the additional property of providing pathogens with no environment for survival is obtained.
Nachfolgend wird die Erfindung anhand von zwei Zeichnungen erläutert.The invention is explained below with reference to two drawings.
Die Figur 1 zeigt einen üblichen Einkaufswagen aus Stahl, die Figur 2 einen Einkaufswagen aus Kunststoff.Figure 1 shows a conventional steel shopping cart, Figure 2 shows a shopping cart made of plastic.
Bei beiden Einkaufswagen 1 , 2 ist die Oberfläche hydrophob oder superhydrophob und / oder ionenabgebende gestaltet.The surface of both shopping trolleys 1, 2 is designed to be hydrophobic or superhydrophobic and / or ion-releasing.
Die hydrophobe bzw superhydrophobe und / oder ionenabgebende Eigenschaft der Oberfläche kann bei dem Einkaufswagen aus Stahl durch eine Beschichtung mit einem entsprechenden Material erreicht werden.The hydrophobic or superhydrophobic and / or ion-releasing property of the surface can be achieved in the steel shopping cart by coating it with an appropriate material.
Diese Beschichtung kann sowohl beim primären Herstellungsprozess auf dem Einkaufwagen angebracht werden, als auch zu einem späteren Zeitpunkt beispielsweise bei einer Überholung.This coating can be applied to the shopping cart during the primary manufacturing process as well as at a later point in time, for example, during an overhaul.
Vorzugsweise wird nur der Korb 3 der aus einer Vielzahl von Metallstreben 4 besteht mit einer hydrophoben oder superhydrophoben und / oder ionenabgebende n Oberfläche ausgestattet. Die übrigen Bereiche des Einkaufswagens, de nicht mit Lebensmitteln in Kontakt kommen können ohne besonders behandelte Oberfläche verbleiben.Preferably, only the basket 3, which consists of a plurality of metal struts 4, is equipped with a hydrophobic or superhydrophobic and / or ion-releasing surface. The remaining areas of the shopping cart that cannot come into contact with food remain without a specially treated surface.
Bei dem Einkaufswagen 2 aus Kunststoff kann die hydrophobe oder superhydrophobe und / oder ionenabgebende Oberfläche bereits durch entsprechende Fertigungsverfahren erfolgen.In the case of the shopping cart 2 made of plastic, the hydrophobic or superhydrophobic and / or ion-releasing surface can already be produced by appropriate manufacturing processes.
Bei konventionell d.h. ohne hydrophobe oder superhydrophobe und / oder ionenabgebende Oberfläche hergestellten Einkaufswagen aus Kunststoff ist eine nachträgliche Beschichtung möglich.With conventional i.e. Subsequent coating is possible without a shopping trolley made of plastic without a hydrophobic or superhydrophobic and / or ion-releasing surface.
Der Korb 5 des Einkaufswagens 2 besteht aus vergleichsweise massiven Streben 6. An den Knotenpunkten mehrerer Streben 6 - im gezeigten Beispiel exemplarisch mit 7 beziffert - existieren an den Übergängen zu den Streben verwinkelte Bereiche, in denen sich bei normalen Oberflächen Verschmutzungen hartnäckig festsetzen. Gerade bei diesen Bereichen ist die erfindungsgemäße hydrophobe oder superhydrophobe und / oder ionenabgebende Oberfläche von besonderem Vorteil. Die Erfindung läßt sich auf jede Art von Transportbehälter anwenden, bei der die leichte Reinigung von Verschmutzungen einen Vorteil bringt. Beispiele für solche Transportbehälter sind insbesondere für Lebensmittel - Einkäufe oder Lagerung verwendete Kisten, Körbe oder Klappboxen.The basket 5 of the shopping cart 2 consists of comparatively massive struts 6. At the nodes of several struts 6 - numbered 7 in the example shown - there are angled areas at the transitions to the struts, in which dirt is stubbornly attached to normal surfaces. The hydrophobic or superhydrophobic and / or ion-donating surface according to the invention is particularly advantageous in these areas. The invention can be applied to any type of transport container in which the easy cleaning of dirt brings an advantage. Examples of such transport containers are, in particular, boxes, baskets or folding boxes used for grocery purchases or storage.
Ebenso lassen sich die Vorteile einer leichten Reinigung auch auf allen anderen Gebieten anwenden bei denen Transportbehälter verschmutzen können und anschließen wieder leicht zu reinigen sein sollen. The advantages of easy cleaning can also be used in all other areas where transport containers can become dirty and should then be easy to clean again.

Claims

SchutzansprücheEinkaufswagen oder Transportbehälter Shopping trolleys or transport containers
1 . Einkaufswagen oder Transportbehälter dadurch gekennzeichnet, dass die Oberfläche des Einkaufswagens (1 , 2) oder Transportbehälters ganz oder teilweise aus . hydrophobem oder superhydrophoben Material und / oder ganz oder teilweise aus ionenabgebendem Material besteht.1 . Shopping trolley or transport container characterized in that the surface of the shopping trolley (1, 2) or transport container completely or partially. hydrophobic or superhydrophobic material and / or entirely or partially consists of ion-donating material.
2. Einkaufswagen oder Transportbehälter nach Anspruch 1 dadurch gekennzeichnet, dass die hydrophobe oder superhydrophobe und / oder ionenabgebende Oberfläche zusätzlich eine Nanostruktur aufweist.2. Shopping cart or transport container according to claim 1, characterized in that the hydrophobic or superhydrophobic and / or ion-donating surface additionally has a nanostructure.
3. Einkaufswagen oder Transportbehälter nach Anspruch 1 oder 2 dadurch gekennzeichnet, dass die hydrophobe oder superhydrophobe und / oder ionenabgebende Oberfläche beim Herstellungsvorgang des Einkaufswagens (2) oder Transportbehälters entstanden ist.3. Shopping cart or transport container according to claim 1 or 2, characterized in that the hydrophobic or superhydrophobic and / or ion-releasing surface was created during the manufacturing process of the shopping trolley (2) or transport container.
4. Einkaufswagen oder Transportbehälter nach Anspruch 1 oder 2 dadurch gekennzeichnet, dass die hydrophobe oder superhydrophobe und / oder ionenabgebende Oberfläche durch nachträgliche Behandlung eines vorhandenen Einkaufswagens (1) oder Transportbehälters entstanden ist. 4. Shopping cart or transport container according to claim 1 or 2, characterized in that the hydrophobic or superhydrophobic and / or ion-releasing surface has been created by subsequent treatment of an existing shopping trolley (1) or transport container.
EP05735346A 2004-02-16 2005-02-16 Shopping cart or transport container Ceased EP1718513A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202004002438U DE202004002438U1 (en) 2004-02-16 2004-02-16 Shopping cart or transport container
PCT/DE2005/000264 WO2005108184A2 (en) 2004-02-16 2005-02-16 Shopping cart or transport container

Publications (1)

Publication Number Publication Date
EP1718513A2 true EP1718513A2 (en) 2006-11-08

Family

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Family Applications (1)

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EP05735346A Ceased EP1718513A2 (en) 2004-02-16 2005-02-16 Shopping cart or transport container

Country Status (9)

Country Link
US (1) US20070176379A1 (en)
EP (1) EP1718513A2 (en)
JP (1) JP2007522010A (en)
KR (1) KR20060131852A (en)
CN (1) CN1930029A (en)
CA (1) CA2556660C (en)
DE (2) DE202004002438U1 (en)
RU (1) RU2372237C2 (en)
WO (1) WO2005108184A2 (en)

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DE112005000949A5 (en) 2007-05-24
WO2005108184A3 (en) 2006-05-11
CN1930029A (en) 2007-03-14
CA2556660A1 (en) 2005-11-17
KR20060131852A (en) 2006-12-20
JP2007522010A (en) 2007-08-09
RU2006133330A (en) 2008-03-27
DE202004002438U1 (en) 2005-08-11
RU2372237C2 (en) 2009-11-10
CA2556660C (en) 2012-10-23
WO2005108184A2 (en) 2005-11-17
US20070176379A1 (en) 2007-08-02

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