EP1787923B1 - Refuse collection container comprising at least one tire wheel assembly - Google Patents

Refuse collection container comprising at least one tire wheel assembly Download PDF

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Publication number
EP1787923B1
EP1787923B1 EP06124597A EP06124597A EP1787923B1 EP 1787923 B1 EP1787923 B1 EP 1787923B1 EP 06124597 A EP06124597 A EP 06124597A EP 06124597 A EP06124597 A EP 06124597A EP 1787923 B1 EP1787923 B1 EP 1787923B1
Authority
EP
European Patent Office
Prior art keywords
foam
bandage
wheel
tire
tank
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
EP06124597A
Other languages
German (de)
French (fr)
Other versions
EP1787923A1 (en
Inventor
Christophe Rolin
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.)
Plastic Omnium SE
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Plastic Omnium SE
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 Plastic Omnium SE filed Critical Plastic Omnium SE
Publication of EP1787923A1 publication Critical patent/EP1787923A1/en
Application granted granted Critical
Publication of EP1787923B1 publication Critical patent/EP1787923B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F1/00—Refuse receptacles; Accessories therefor
    • B65F1/14—Other constructional features; Accessories
    • B65F1/1468—Means for facilitating the transport of the receptacle, e.g. wheels, rolls
    • B65F1/1473—Receptacles having wheels

Definitions

  • the present invention relates to a waste collection bin having at least one set of a wheel and a bandage.
  • the bandage is defined as a band which surrounds the wheel and which is intended to be in contact with the ground during driving. Because the tire is mounted on the wheel, it is referred to as a wheel and a tire assembly.
  • waste collection bins with two sets mounted at the rear of the tank is widespread.
  • Such a tank having a tank, a lid and at least one handle located at the rear of the upper part of the tank, allowing a user to rotate the tray on the assemblies mounted to roll and the move.
  • Moving the waste collection tray to the floor is usually noisy due to rolling of the bandages on the floor, vibration of the tank, or vibration of the lid on the tank.
  • the tire of the tray is generally solid and made of elastomer, for example rubber.
  • elastomer for example rubber.
  • Such tires are the cause of rolling noise particularly troublesome.
  • the collection tank is subjected to very significant constraints due in particular to the load of the waste that it contains or the bad treatment of mounted assemblies.
  • the bandages suffer violent shocks when passing a sidewalk or a descent of stairs.
  • the invention aims to provide an improved waste collection tank through which the noise generated by its movement on the ground are reduced.
  • the subject of the invention is a waste collection bin comprising at least one assembly of a wheel and a tire, characterized in that the bandage is made at least partially of foam, and comprises a rigid core covered with foam.
  • Moss means any type of lightweight material comprising cells or air trapping cells.
  • the bandage ensures a correct damping.
  • the rolling noise appears mainly when the collection tank is empty, because of the vibration of the tank.
  • the vibrations of the tank are attenuated by the waste it contains.
  • Foam wheel bandages provide this cushioning because they are effective when they support a low weight and they are not crushed.
  • a mounted assembly 10 of a wheel 12 and a bandage 14 of a waste collection bin There is shown in the figures a mounted assembly 10 of a wheel 12 and a bandage 14 of a waste collection bin.
  • the bandage 14 is made at least partially of foam 15.
  • the foam is cellular polyurethane.
  • the bandage 14 is entirely made of foam 15.
  • the figure 1a represents both the profile i of the tire 14 when it is not stressed and the profile j of the tire 14 when the assembly 10 is mounted on an empty collection tray.
  • the figure 1b represents the profile k of the bandage 14 when the assembly 10 is mounted on a collection container filled with waste.
  • the tire 14 comprises a rigid core 16 embedded in the polyurethane foam.
  • the core 16 is made of a rigid material, for example rubber, and has a substantially toric shape.
  • the rigid core 16 tends to resume efforts.
  • the behavior of the assembly 10 is then close to the behavior of a conventional mounted assembly whose bandage is made only of a rigid material such as rubber.
  • the thickness of the foam 15 is sufficiently thick to damp the shocks due to rolling.
  • the rigid core 16 is sandwiched between the rim 17 and the foam 15 of the bandage 14.
  • the behavior of the mounted assembly 10 is then identical to that described with reference to the first embodiment of the invention with the difference that the core 16 does not move.
  • the rim 17 of the wheel 12 has in section a convex profile which is substantially identical to the profile of the core 16 of the second embodiment.
  • the bandage 14 does not comprise a rigid core.
  • the rim 17 of the wheel 12 acts substantially as a support pad for the foam 15 of the tire 14.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Processing Of Solid Wastes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

The container has an assembly that is formed of a wheel and a bandage (14). The bandage is made of foam (15) e.g. cellular polyurethane. The bandage comprises a rigid core (16) that is immersed in the foam. The rigid core is made of a rigid material such as rubber.

Description

La présente invention concerne un bac de collecte de déchets comportant au moins un ensemble d'une roue et d'un bandage.The present invention relates to a waste collection bin having at least one set of a wheel and a bandage.

On définit le bandage comme une bande qui entoure la roue et qui est destinée à être au contact du sol lors du roulage. Du fait que le bandage est monté sur la roue, on parle d'ensemble monté d'une roue et d'un bandage.The bandage is defined as a band which surrounds the wheel and which is intended to be in contact with the ground during driving. Because the tire is mounted on the wheel, it is referred to as a wheel and a tire assembly.

L'utilisation de bacs roulants de collecte de déchets comportant deux ensembles montés à l'arrière de la cuve est largement répandue.The use of waste collection bins with two sets mounted at the rear of the tank is widespread.

On connaît un tel bac comportant une cuve, un couvercle et au moins une poignée située à l'arrière de la partie supérieure de la cuve, permettant à un utilisateur de faire pivoter le bac sur les ensembles montés afin de le faire rouler et de le déplacer.Such a tank is known having a tank, a lid and at least one handle located at the rear of the upper part of the tank, allowing a user to rotate the tray on the assemblies mounted to roll and the move.

Le déplacement du bac de collecte de déchets sur le sol est généralement bruyant en raison du roulement des bandages sur le sol, de vibrations de la cuve, ou de vibrations du couvercle sur la cuve.Moving the waste collection tray to the floor is usually noisy due to rolling of the bandages on the floor, vibration of the tank, or vibration of the lid on the tank.

Pour des raisons évidentes d'usure et de robustesse, le bandage des roues du bac est généralement plein et réalisé en élastomère, par exemple en caoutchouc. De telles bandages sont cependant à l'origine de bruits de roulement particulièrement gênants.For obvious reasons of wear and robustness, the tire of the tray is generally solid and made of elastomer, for example rubber. Such tires, however, are the cause of rolling noise particularly troublesome.

On a déjà tenté de réduire les bruits de roulement d'un bac de collecte en modifiant ses bandages. Par exemple, la demande de brevet français n° 04 12000 propose de munir le bandage des roues de stries qui ont pour effet d'accroître le diamètre apparent des bandages et donc de diminuer le bruit généré lors du roulage.It has already been tried to reduce the rolling noise of a collection tray by changing its bandages. For example, the patent application French n ° 04 12000 proposes to provide the bandage wheels with streaks that have the effect of increasing the apparent diameter of the bandages and thus reduce the noise generated during taxiing.

D'autres propositions concernant les bandages ont été formulées, notamment dans les documents DE 200 02 656 U , US 2004/124198 et EP-A-1 657 188 , ce dernier selon l'article 54(3) CBE, mais leur efficacité relativement réduite ne permet pas de faire l'économie d'autres moyens de réduction de bruit dans les parties supérieures du bac.Other proposals concerning bandages were made, particularly in the documents DE 200 02 656 U , US 2004/124198 and EP-A-1,657,188 , the latter according to Article 54 (3) EPC, but their relatively low efficiency does not allow to save the other means of noise reduction in the upper parts of the tray.

Lors de son utilisation courante, le bac de collecte est soumis à des contraintes très importantes dues notamment à la charge des déchets qu'il contient ou à des mauvais traitements des ensembles montés. Par exemple, les bandages subissent des chocs violents lors du passage d'un trottoir ou d'une descente d'escalier.During its current use, the collection tank is subjected to very significant constraints due in particular to the load of the waste that it contains or the bad treatment of mounted assemblies. For example, the bandages suffer violent shocks when passing a sidewalk or a descent of stairs.

Du fait de ces chocs, l'homme du métier a renoncé à agir sur les ensembles montés des bacs au profit de modifications de la cuve ou du couvercle.Because of these shocks, the skilled person has given up acting on the mounted assemblies of the tanks in favor of modifications of the tank or lid.

L'invention a pour but de proposer un bac de collecte de déchets amélioré grâce auquel les nuisances sonores créées par son déplacement sur le sol sont réduites.The invention aims to provide an improved waste collection tank through which the noise generated by its movement on the ground are reduced.

A cet effet, l'invention a pour objet un bac de collecte de déchets comprenant au moins un ensemble d'une roue et d'un bandage, caractérisé en ce que le bandage est réalisé au moins partiellement en mousse, et comprend un noyau rigide recouvert de mousse.For this purpose, the subject of the invention is a waste collection bin comprising at least one assembly of a wheel and a tire, characterized in that the bandage is made at least partially of foam, and comprises a rigid core covered with foam.

On entend par mousse tout type de matériau léger comprenant des alvéoles ou des cellules d'emprisonnement d'air.Moss means any type of lightweight material comprising cells or air trapping cells.

Grâce à la mousse, le bandage assure un amortissement correct.Thanks to the foam, the bandage ensures a correct damping.

Cette invention va à l'encontre du préjugé selon lequel des bandages de roues en mousse sont mal adaptés à des bacs de collecte de déchets. En effet, on peut penser que lorsque le bac de collecte est rempli, les bandages en mousse sont écrasés et n'assurent plus leur fonction d'amortissement à l'origine de la réduction de bruit du bac lors du roulage.This invention goes against the prejudice that foam wheel tires are poorly suited to waste collection bins. Indeed, we can think that when the collection tray is filled, the foam bandages are crushed and no longer provide their damping function at the origin of the reduction of noise of the tray during taxi.

Or, le bruit de roulage apparaît principalement lorsque le bac de collecte est vide, du fait de la vibration de la cuve. Lorsque le bac de collecte est plein, les vibrations de la cuve sont atténuées par les déchets qu'elle contient.However, the rolling noise appears mainly when the collection tank is empty, because of the vibration of the tank. When the collection tank is full, the vibrations of the tank are attenuated by the waste it contains.

Par conséquent, il est surtout nécessaire d'amortir les vibrations du bac lorsque celui-ci roule à vide. Des bandages de roues en mousse permettent d'assurer cet amortissement puisqu'ils sont efficaces lorsqu'ils supportent un faible poids et qu'ils ne sont pas écrasés.Therefore, it is especially necessary to dampen the vibrations of the tank when it rolls empty. Foam wheel bandages provide this cushioning because they are effective when they support a low weight and they are not crushed.

Un bac de collecte selon l'invention peut en outre comporter l'une ou plusieurs des caractéristiques suivantes.

  • La mousse du bandage est du polyuréthane cellulaire.
  • La mousse permet un amortissement du bac lorsque celui-ci est à vide. Le noyau rigide permet un maintien de la forme du bandage de la roue lorsque le bac est chargé. En d'autres termes, le noyau rigide forme un patin de soutien de la mousse.
  • Le noyau rigide est noyé dans la mousse.
  • Le noyau rigide est enserré entre une jante de la roue et la mousse du bandage.
  • Le noyau rigide est réalisé en élastomère, par exemple en caoutchouc.
  • La jante de la roue présente en section un profil convexe. Ainsi, le moyeu assure un maintien de la forme du bandage de la roue lorsque le bac est chargé.
A collection bin according to the invention may further comprise one or more of the following features.
  • The bandage foam is cellular polyurethane.
  • The foam allows a damping of the tank when it is empty. The rigid core allows the shape of the wheel bandage to be maintained when the bin is loaded. In other words, the rigid core forms a support pad of the foam.
  • The rigid core is embedded in the foam.
  • The rigid core is sandwiched between a rim of the wheel and the foam of the bandage.
  • The rigid core is made of elastomer, for example rubber.
  • The rim of the wheel has a convex profile in section. Thus, the hub maintains the shape of the tire of the wheel when the tray is loaded.

L'invention sera mieux comprise à la lecture de la description qui va suivre, donnée uniquement à titre d'exemple et faite en se référant aux dessins annexés dans lesquels :

  • les figures 1a et 1b sont des schémas en section d'un ensemble monté d'un bac de collecte de déchets selon un exemple comparatif, l'ensemble étant soumis à différentes contraintes ;
  • les figures 2a et 2b sont des schémas en section d'un ensemble monté d'un bac de collecte de déchets selon un premier mode de réalisation de l'invention, l'ensemble étant soumis à différentes contraintes ;
  • les figures 3a et 3b sont des schémas en section d'un ensemble monté d'un bac de collecte de déchets selon un deuxième mode de réalisation de l'invention, l'ensemble monté étant soumis à différentes contraintes ;
  • la figure 4 est un schéma en section d'un ensemble d'un bac de collecte de déchets selon un autre exemple comparatif.
The invention will be better understood on reading the description which follows, given solely by way of example and with reference to the appended drawings in which:
  • the Figures 1a and 1b are diagrams in section of a mounted assembly of a waste collection bin according to a comparative example, the assembly being subject to different constraints;
  • the Figures 2a and 2b are diagrams in section of a mounted assembly of a waste collection tank according to a first embodiment of the invention, the assembly being subjected to different constraints;
  • the Figures 3a and 3b are diagrams in section of a mounted assembly of a waste collection tank according to a second embodiment of the invention, the mounted assembly being subjected to different constraints;
  • the figure 4 is a sectional diagram of an assembly of a waste collection bin according to another comparative example.

On a représenté sur les figures un ensemble monté 10 d'une roue 12 et d'un bandage 14 d'un bac de collecte de déchets.There is shown in the figures a mounted assembly 10 of a wheel 12 and a bandage 14 of a waste collection bin.

Le bandage 14 est réalisé au moins partiellement en mousse 15. Dans l'exemple représenté la mousse est du polyuréthane cellulaire.The bandage 14 is made at least partially of foam 15. In the example shown, the foam is cellular polyurethane.

Selon un exemple comparatif représenté sur les figures 1a et 1b, le bandage 14 est entièrement réalisé en mousse 15.According to a comparative example represented on Figures 1a and 1b , the bandage 14 is entirely made of foam 15.

La figure 1a représente à la fois le profil i du bandage 14 lorsqu'il n'est soumis à aucune contrainte et le profil j du bandage 14 lorsque l'ensemble 10 est monté sur un bac de collecte vide. La figure 1b représente le profil k du bandage 14 lorsque l'ensemble 10 est monté sur un bac de collecte rempli de déchets.The figure 1a represents both the profile i of the tire 14 when it is not stressed and the profile j of the tire 14 when the assembly 10 is mounted on an empty collection tray. The figure 1b represents the profile k of the bandage 14 when the assembly 10 is mounted on a collection container filled with waste.

Comme illustré sur les figures 1a et 1b, on constate que le bandage 14 tend à s'écraser sous l'effet du poids du bac de collecte. Cette capacité d'écrasement est obtenue grâce à l'utilisation de mousse 15 pour la fabrication du bandage 14.As illustrated on Figures 1a and 1b it is found that the bandage 14 tends to collapse under the effect of the weight of the collection tray. This crushing capacity is obtained by using foam 15 for the manufacture of bandage 14.

Selon un premier mode de réalisation représenté sur les figures 2a et 2b, le bandage 14 comprend un noyau 16 rigide noyé dans la mousse 15 de polyuréthane. Le noyau 16 est réalisé en un matériau rigide, par exemple en caoutchouc, et a une forme sensiblement torique.According to a first embodiment shown on the Figures 2a and 2b the tire 14 comprises a rigid core 16 embedded in the polyurethane foam. The core 16 is made of a rigid material, for example rubber, and has a substantially toric shape.

Comme précédemment, on a représenté sur les figures 2a et 2b les profils i, j et k du bandage 14 lorsque celui-ci est soumis à différentes contraintes.As before, we have shown on Figures 2a and 2b the profiles i, j and k of the bandage 14 when it is subjected to different constraints.

On peut constater sur la figure 2b que lorsque le bac de collecte de déchets est chargé, la mousse 15 s'écrase et le noyau 16 tend à se rapprocher d'une jante 17 de la roue 12 jusqu'à être presque au contact de cette dernière.We can see on the figure 2b that when the waste collection tank is loaded, the foam 15 crushes and the core 16 tends to approach a rim 17 of the wheel 12 until almost in contact with the latter.

Ainsi, lorsque le bac de collecte est chargé, le noyau rigide 16 tend à reprendre les efforts. Le comportement de l'ensemble 10 est alors proche du comportement d'un ensemble monté classique dont le bandage est réalisé uniquement en un matériau rigide tel que du caoutchouc.Thus, when the collection tank is loaded, the rigid core 16 tends to resume efforts. The behavior of the assembly 10 is then close to the behavior of a conventional mounted assembly whose bandage is made only of a rigid material such as rubber.

En revanche, comme représenté sur la figure 2a, lorsque le bac de collecte de déchets est à vide, l'épaisseur de mousse 15 est suffisamment épaisse pour amortir les chocs dus au roulement.On the other hand, as represented on the figure 2a when the waste collection bin is empty, the thickness of the foam 15 is sufficiently thick to damp the shocks due to rolling.

Selon un deuxième mode de réalisation représenté sur les figures 3a et 3b, le noyau rigide 16 est enserré entre la jante 17et la mousse 15 du bandage 14.According to a second embodiment shown on the Figures 3a and 3b , the rigid core 16 is sandwiched between the rim 17 and the foam 15 of the bandage 14.

Le comportement de l'ensemble monté 10 est alors identique à celui décrit en référence au premier mode de réalisation de l'invention à la différence près que le noyau 16 ne se déplace pas.The behavior of the mounted assembly 10 is then identical to that described with reference to the first embodiment of the invention with the difference that the core 16 does not move.

Selon un autre exemple comparatif représenté sur la figure 4, la jante 17 de la roue 12 présente en section un profil convexe qui est sensiblement identique au profil du noyau 16 du deuxième mode de réalisation. Dans cette variante, le bandage 14 ne comprend pas de noyau rigide.According to another comparative example shown on the figure 4 , the rim 17 of the wheel 12 has in section a convex profile which is substantially identical to the profile of the core 16 of the second embodiment. In this variant, the bandage 14 does not comprise a rigid core.

De cette façon, la jante 17 de la roue 12 agit sensiblement comme un patin de soutien de la mousse 15 du bandage 14.In this way, the rim 17 of the wheel 12 acts substantially as a support pad for the foam 15 of the tire 14.

Claims (5)

  1. A waste collection bin including at least one assembly (10) comprising a wheel (12) and a tire (14), the bin being characterized in that the tire (14) is made at least in part out of foam (15) and comprises a rigid core (16) covered in foam (15).
  2. A bin according to claim 1, wherein the foam (15) of the tire (14) is cellular polyurethane.
  3. A bin according to claim 1 or claim 2, wherein the rigid core (16) is embedded in the foam (15).
  4. A bin according to claim 1 or claim 2, wherein the rigid core (16) is clamped between a rim (17) of the wheel (12) and the foam (15) of the tire (14) .
  5. A bin according to any preceding claim, wherein the rigid core (16) is made of elastomer, for example of rubber.
EP06124597A 2005-11-22 2006-11-22 Refuse collection container comprising at least one tire wheel assembly Not-in-force EP1787923B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0511814A FR2893600B1 (en) 2005-11-22 2005-11-22 WASTE COLLECTION BIN COMPRISING AT LEAST ONE ASSEMBLY OF A WHEEL AND BANDAGE

Publications (2)

Publication Number Publication Date
EP1787923A1 EP1787923A1 (en) 2007-05-23
EP1787923B1 true EP1787923B1 (en) 2011-04-27

Family

ID=36754645

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06124597A Not-in-force EP1787923B1 (en) 2005-11-22 2006-11-22 Refuse collection container comprising at least one tire wheel assembly

Country Status (5)

Country Link
EP (1) EP1787923B1 (en)
AT (1) ATE507168T1 (en)
DE (1) DE602006021517D1 (en)
ES (1) ES2365741T3 (en)
FR (1) FR2893600B1 (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8527147U1 (en) * 1985-09-23 1985-12-12 Gummiwerk Kraiburg Elastik Beteiligungs-GmbH & Co, 8261 Tittmoning Mobile waste bin
DE3925021A1 (en) * 1989-07-28 1991-02-07 Kodak Ag Wheel attachment on shaft - consists of pin fitting into groove on wheel and going cross-wire through shaft, with elastic detents
DK200000181A (en) * 2000-02-03 2001-08-04 Hans Joergen Rasmussen transport container
DE20002656U1 (en) * 2000-02-14 2000-04-13 Bts Bau Technischesysteme Gmbh Wheel for wheelbarrows or the like
FR2808243B1 (en) * 2000-04-27 2002-08-16 Gourlin Participation Sa NOSE WHEEL MADE BY PRESSURE MOLDING IN RECYCLABLE PLASTIC MATERIAL
WO2002096763A2 (en) * 2001-05-25 2002-12-05 Outrigger, Inc. Luggage, or carrier having shock absorbing wheels
US7144019B2 (en) * 2002-12-16 2006-12-05 Equity Investor Group Llc Wheelbarrow garbage can
FR2877652B1 (en) * 2004-11-10 2007-07-20 Plastic Omnium Cie ROLLING BAG, IN PARTICULAR FOR COLLECTING WASTE

Also Published As

Publication number Publication date
FR2893600A1 (en) 2007-05-25
FR2893600B1 (en) 2009-07-03
DE602006021517D1 (en) 2011-06-09
ATE507168T1 (en) 2011-05-15
EP1787923A1 (en) 2007-05-23
ES2365741T3 (en) 2011-10-10

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