EP1657188A1 - Wheeled receptacle, preferably for collecting refuse - Google Patents

Wheeled receptacle, preferably for collecting refuse Download PDF

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Publication number
EP1657188A1
EP1657188A1 EP05300905A EP05300905A EP1657188A1 EP 1657188 A1 EP1657188 A1 EP 1657188A1 EP 05300905 A EP05300905 A EP 05300905A EP 05300905 A EP05300905 A EP 05300905A EP 1657188 A1 EP1657188 A1 EP 1657188A1
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EP
European Patent Office
Prior art keywords
tread
wheel
cavity
tray according
radially outer
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
EP05300905A
Other languages
German (de)
French (fr)
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EP1657188B1 (en
Inventor
Christophe Rolin
Bernard Plissonnier
Frédéric BLANCHARD
Emmanuel Brazier
Daniel Massotte
Florian Roger
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
Original Assignee
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.)
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Publication date
Application filed by Plastic Omnium SE filed Critical Plastic Omnium SE
Publication of EP1657188A1 publication Critical patent/EP1657188A1/en
Application granted granted Critical
Publication of EP1657188B1 publication Critical patent/EP1657188B1/en
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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 wheeled bin, including waste collection, and a wheel for such a tray.
  • the patent application FR 2 727 061 discloses a waste collection bin comprising a wheel provided with a hub having a peripheral rim for receiving a tread.
  • the tread has solid portions made of linear low density polyethylene and hollow portions containing pressurized gas.
  • the garbage collection bins usually have the disadvantage that, when driving, noise is generated, which can reach a relatively high noise level, especially when the tank is empty.
  • the present invention aims to reduce the noise level of the rolling bins during travel.
  • the subject of the invention is therefore a rolling container, in particular for collecting waste, of which at least one wheel comprises a tread made of plastic material, preferably flexible, in particular made of elastomer, characterized in that the tread forms at less a substantially closed cavity.
  • This cavity may in particular have a volume greater than one quarter, in particular half, of the total volume of the tread and have for example an annular shape.
  • the cavity may be formed solely by the tread.
  • the cavity may be formed by the tread and a hub of the wheel.
  • the tread may have a relatively large deformability, especially higher than that of a solid tread in cross section.
  • the tread according to the invention makes it possible to absorb more vibrations generated by the contact of the wheel on the ground, during driving.
  • the tread may in particular be hollowed out 360 ° around the axis of rotation of the wheel.
  • this envelope may for example comprise a radially outer wall having a constant or variable thickness in a direction parallel to the axis of rotation of the wheel, this thickness increasing for example at the junction of this radially outer wall with one or more side walls of the tread.
  • the casing may have a variable thickness all around its periphery.
  • the envelope comprises a zone of contact with the substantially cylindrical ground of revolution.
  • the tread comprises at least one internal rib, in particular annular, extending in said cavity, preferably substantially perpendicular to the axis of rotation of the wheel.
  • Such an internal rib ensures in particular increased rigidity of the tread, especially in a radial direction, which allows the tread to better support a tray with a relatively heavy load.
  • the tread may comprise two parallel internal ribs, or even more parallel ribs.
  • Said at least one internal rib is connected, if necessary, to a radially outer wall of the tread.
  • said at least one inner rib can be connected to a radially inner wall of the tread.
  • the internal rib may have a free end or be connected at its ends to two opposite walls.
  • the internal ribs or ribs can be made in one piece with the rest of the tread or, alternatively, be fixed on the latter.
  • the shape and the number of internal ribs are advantageously chosen according to the acoustic and mechanical behavior of the wheel.
  • the casing of the tread may for example have an outer U-shaped cross section, that is to say with an outer annular wall forming a zone of contact with the ground, and two side walls connecting to this outer wall.
  • This envelope may be made in one piece for example and include, where appropriate, one or more internal ribs.
  • the envelope can be attached to the hub of the wheel, for example by gluing or welding, or, alternatively, be comoulée with the hub.
  • the cavity may communicate with the outside, for example via one or more orifices. This or these orifices may be located for example on a contact area of the tread with the ground or at any other location. Alternatively, the cavity is completely isolated from the outside.
  • the tread may be free of pressurized gas trapped in one of the cavities.
  • the tread may contain pressurized air.
  • the plastic material has a hardness of between 60 and 80 Shore, in particular between 65 and 75 Shore.
  • the tread may be made of rubber, for example.
  • the tread is made from a cellular foam made of plastic.
  • the tread may be made in one piece or, alternatively, comprise at least two assembled portions.
  • the tread may be obtained by extrusion of a tubular element from which the tread is formed by bringing two free ends of the tubular element together. These ends are for example welded together.
  • the wheeled bin may have a capacity of, for example, between 60 L and 360 L, being for example approximately 120 L or 240 L.
  • the tray may have a shaft with a wheel attached to each end.
  • the wheel may comprise, if desired, a hub made of plastic material, for example by injection molding.
  • This hub may comprise a sail connected to a rim bearing the tread.
  • the invention also relates to a wheel arranged to equip a wheeled bin, including waste collection, comprising at least one tread made of a flexible plastic material, characterized in that the tread forms at least one cavity closed, in particular annular.
  • the tread comprises at least two assembled portions, for example by welding or gluing. These portions to be assembled can be made for example by injection molding.
  • the tread may comprise for example two assembled portions each corresponding to one half of the tread cut by a geometric plane perpendicular to the axis of rotation of the wheel.
  • the tread comprises two assembled portions, one radially inner and the other radially outer.
  • the tread is monolithic, especially when the latter has an outer U-shaped cross section.
  • the invention also relates to a wheeled bin including waste collection, including at least one wheel comprises a tread made of flexible plastic material, in particular elastomer, the tread forming at least one closed cavity, including a single cavity filled with a gas or a mixture of gases under pressure
  • FIG. 1 shows a rolling bin 1 for collecting waste, comprising a tank 2 and a lid 3 articulated on this tank 2.
  • the tank 2 and the lid 3 may be made of plastic and the tank 2 may have, for example, a capacity of 120 L or 240 L.
  • the tank 2 comprises at its lower part two bearings 4 on which is mounted a shaft 5 carrying at each end a wheel 10.
  • each wheel 10 comprises an X-axis hub 11 enabling the wheel 10 to be mounted on the shaft 5, and provided with a sail 12 connected to a rim 13 carrying a tread 14.
  • the tread 14 is hollow and comprises a radially outer annular wall 15, two lateral walls 16 connected to the annular wall 15 and a radially inner annular wall 17 in contact with the rim 13.
  • the volume of the cavity 20 is greater than half the total volume of the tread 14.
  • the radially outer annular wall 15 defines a contact zone 21 with the ground, this zone 21 being substantially cylindrical with an X-axis revolution.
  • the side walls 16 converge towards each other in a radial direction, outwardly.
  • the walls 16 may be substantially parallel.
  • the annular wall 17 radially inner has a concave shape in a radial direction, outwardly.
  • the thickness of the radially outer wall 15 has, in a direction parallel to the axis X, a substantially constant thickness.
  • the radially outer wall 15 may have a variable thickness along the X axis, this thickness increasing for example at the junction of this radially outer wall with the side walls 16.
  • the tread 14 is devoid of internal ribs.
  • the tread 14 may comprise a single internal rib 25, as shown in FIG. 4, or two parallel internal ribs 25, as illustrated in FIG.
  • the internal rib or ribs 25 are connected at one end to the radially outer wall and have a free end 26.
  • the internal rib or ribs 25 may be connected at both ends to walls facing the tread 14.
  • the tread 14 is made of a flexible plastic material, for example rubber.
  • the plastics material may have a hardness of between 65 and 75 Shore.
  • the tread 14 may comprise two assembled portions, for example welded or glued.
  • These portions may correspond for example to two halves of the tread 14 cut in a plane perpendicular to the X axis, these two portions may for example be made separately by molding.
  • the two assembled portions of the tread may respectively correspond to radially inner and outer portions of the tread.
  • the radially inner portion may comprise for example the annular wall 17 radially inner and the radially outer portion may comprise for example the radially outer wall and the side walls 16 for example.
  • the assembled portions of the tread may be made of identical materials.
  • the assembled portions may be made of different materials, if desired, having for example different hardnesses.
  • the shape and number of internal ribs may vary.
  • One of the internal ribs may for example be connected to a radially inner wall of the tread and have opposite a free end.
  • the tread casing is substantially closed.
  • the tread has an outer U-shaped cross section, with a radially outer wall 15 and two side walls 16, without a radially inner wall 17.
  • the casing can be made by coming with the hub 11, for example.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)

Abstract

The container has wheels (10), each with a tread (14) made of rubber, forming a closed cavity (20) that presents a volume which is greater than the half of total volume of the tread. The tread has an envelope defining the closed cavity, and having an annular wall (15) radially outwards with a constant thickness along a direction parallel to the axis of rotation of the wheel. The tread has an inner annular rib extending into the cavity.

Description

La présente invention a pour objet un bac roulant, notamment de collecte de déchets, et une roue pour un tel bac.The present invention relates to a wheeled bin, including waste collection, and a wheel for such a tray.

On connaît par la demande de brevet FR 2 727 061 un bac de collecte de déchets comportant une roue pourvue d'un moyeu présentant une jante périphérique pour recevoir un bandage de roulement. Le bandage de roulement comporte des parties pleines réalisées en polyéthylène linéaire basse densité et des parties creuses contenant du gaz sous pression.The patent application FR 2 727 061 discloses a waste collection bin comprising a wheel provided with a hub having a peripheral rim for receiving a tread. The tread has solid portions made of linear low density polyethylene and hollow portions containing pressurized gas.

Les bacs roulants de collecte de déchets présentent habituellement l'inconvénient que, lors du roulage, un bruit est généré, pouvant atteindre un niveau de nuisance sonore relativement élevé, notamment lorsque le bac est vide.The garbage collection bins usually have the disadvantage that, when driving, noise is generated, which can reach a relatively high noise level, especially when the tank is empty.

La présente invention vise à réduire le niveau sonore des bacs roulants lors du roulage.The present invention aims to reduce the noise level of the rolling bins during travel.

L'invention a ainsi pour objet un bac roulant, notamment de collecte de déchets, dont au moins une roue comprend une bande de roulement en matière plastique, de préférence souple, notamment en élastomère, caractérisé par le fait que la bande de roulement forme au moins une cavité sensiblement fermée.The subject of the invention is therefore a rolling container, in particular for collecting waste, of which at least one wheel comprises a tread made of plastic material, preferably flexible, in particular made of elastomer, characterized in that the tread forms at less a substantially closed cavity.

Cette cavité peut notamment présenter un volume supérieur au quart, notamment à la moitié, du volume total de la bande de roulement et avoir par exemple une forme annulaire.This cavity may in particular have a volume greater than one quarter, in particular half, of the total volume of the tread and have for example an annular shape.

La cavité peut être formée uniquement par la bande de roulement.The cavity may be formed solely by the tread.

En variante, la cavité peut être formée par la bande de roulement et un moyeu de la roue.Alternatively, the cavity may be formed by the tread and a hub of the wheel.

Grâce à la cavité précitée, la bande de roulement peut présenter une déformabilité relativement importante, notamment plus élevée que celle d'une bande de roulement pleine en section transversale.With the aforementioned cavity, the tread may have a relatively large deformability, especially higher than that of a solid tread in cross section.

Ainsi, la bande de roulement selon l'invention permet d'absorber davantage de vibrations générées par le contact de la roue sur le sol, lors du roulage.Thus, the tread according to the invention makes it possible to absorb more vibrations generated by the contact of the wheel on the ground, during driving.

La bande de roulement peut notamment être creuse sur 360° autour de l'axe de rotation de la roue.The tread may in particular be hollowed out 360 ° around the axis of rotation of the wheel.

Lorsque la bande de roulement comporte une enveloppe défmissant la cavité fermée, cette enveloppe peut par exemple comporter une paroi radialement extérieure ayant une épaisseur constante ou variable suivant une direction parallèle à l'axe de rotation de la roue, cette épaisseur augmentant par exemple à la jonction de cette paroi radialement extérieure avec une ou plusieurs parois latérales de la bande de roulement.When the tread comprises an envelope defining the closed cavity, this envelope may for example comprise a radially outer wall having a constant or variable thickness in a direction parallel to the axis of rotation of the wheel, this thickness increasing for example at the junction of this radially outer wall with one or more side walls of the tread.

Le cas échéant, l'enveloppe peut présenter une épaisseur variable sur tout son pourtour.Where appropriate, the casing may have a variable thickness all around its periphery.

Dans un exemple de mise en oeuvre de l'invention, l'enveloppe comporte une zone de contact avec le sol sensiblement cylindrique de révolution.In an exemplary implementation of the invention, the envelope comprises a zone of contact with the substantially cylindrical ground of revolution.

Toujours dans un exemple de mise en oeuvre de l'invention, la bande de roulement comporte au moins une nervure interne, notamment annulaire, s'étendant dans ladite cavité, de préférence sensiblement perpendiculairement à l'axe de rotation de la roue.Still in an exemplary implementation of the invention, the tread comprises at least one internal rib, in particular annular, extending in said cavity, preferably substantially perpendicular to the axis of rotation of the wheel.

Une telle nervure interne assure notamment une rigidité renforcée de la bande de roulement, notamment dans une direction radiale, ce qui permet à la bande de roulement de mieux supporter un bac avec une charge relativement lourde.Such an internal rib ensures in particular increased rigidity of the tread, especially in a radial direction, which allows the tread to better support a tray with a relatively heavy load.

La bande de roulement peut comporter deux nervures internes parallèles, voire davantage de nervures parallèles.The tread may comprise two parallel internal ribs, or even more parallel ribs.

Ladite au moins une nervure interne se raccorde, le cas échéant, à une paroi radialement extérieure de la bande de roulement.Said at least one internal rib is connected, if necessary, to a radially outer wall of the tread.

En variante, ladite au moins une nervure interne peut se raccorder à une paroi radialement intérieure de la bande de roulement.Alternatively, said at least one inner rib can be connected to a radially inner wall of the tread.

La nervure interne peut comporter une extrémité libre ou être raccordée à ses extrémités à deux parois opposées.The internal rib may have a free end or be connected at its ends to two opposite walls.

La ou les nervures internes peuvent être réalisées d'un seul tenant avec le reste de la bande de roulement ou, en variante, être fixées sur cette dernière.The internal ribs or ribs can be made in one piece with the rest of the tread or, alternatively, be fixed on the latter.

La forme et le nombre de nervures internes sont choisis avantageusement en fonction du comportement acoustique et mécanique de la roue.The shape and the number of internal ribs are advantageously chosen according to the acoustic and mechanical behavior of the wheel.

L'enveloppe de la bande de roulement peut avoir par exemple une section transversale extérieure en U, c'est-à-dire avec une paroi annulaire extérieure formant une zone de contact avec le sol, et deux parois latérales se raccordant à cette paroi extérieure. Cette enveloppe peut être réalisée d'un seul tenant par exemple et comporter, le cas échéant, une ou plusieurs nervures internes. L'enveloppe peut être rapportée sur le moyeu de la roue, par exemple par collage ou soudage, ou, en variante, être comoulée avec le moyeu.The casing of the tread may for example have an outer U-shaped cross section, that is to say with an outer annular wall forming a zone of contact with the ground, and two side walls connecting to this outer wall. . This envelope may be made in one piece for example and include, where appropriate, one or more internal ribs. The envelope can be attached to the hub of the wheel, for example by gluing or welding, or, alternatively, be comoulée with the hub.

Dans un exemple de mise en oeuvre de l'invention, la cavité peut communiquer avec l'extérieur par exemple par l'intermédiaire d'un ou de plusieurs orifices. Ce ou ces orifices peuvent être situés par exemple sur une zone de contact de la bande de roulement avec le sol ou à tout autre emplacement. En variante, la cavité est complètement isolée de l'extérieur.In an exemplary implementation of the invention, the cavity may communicate with the outside, for example via one or more orifices. This or these orifices may be located for example on a contact area of the tread with the ground or at any other location. Alternatively, the cavity is completely isolated from the outside.

La bande de roulement peut être dépourvue de gaz sous pression emprisonné dans l'une des cavités. En variante, la bande de roulement peut contenir de l'air sous pression.The tread may be free of pressurized gas trapped in one of the cavities. Alternatively, the tread may contain pressurized air.

Dans un exemple de mise en oeuvre de l'invention, la matière plastique présente une dureté comprise entre 60 et 80 Shore, notamment entre 65 et 75 Shore.In an exemplary implementation of the invention, the plastic material has a hardness of between 60 and 80 Shore, in particular between 65 and 75 Shore.

La bande de roulement peut être réalisée en caoutchouc par exemple.The tread may be made of rubber, for example.

En variante, la bande de roulement est réalisée à base d'une mousse alvéolaire en plastique.In a variant, the tread is made from a cellular foam made of plastic.

La bande de roulement peut être réalisée d'un seul tenant ou, en variante, comporter au moins deux portions assemblées.The tread may be made in one piece or, alternatively, comprise at least two assembled portions.

Par exemple, la bande de roulement peut être obtenue par extrusion d'un élément tubulaire à partir duquel on forme la bande de roulement en rapprochant deux extrémités libres de l'élément tubulaire. Ces extrémités sont par exemple soudées entre elles.For example, the tread may be obtained by extrusion of a tubular element from which the tread is formed by bringing two free ends of the tubular element together. These ends are for example welded together.

Le bac roulant peut présenter une contenance comprise par exemple entre 60 L et 360 L, étant par exemple d'environ 120 L ou 240 L.The wheeled bin may have a capacity of, for example, between 60 L and 360 L, being for example approximately 120 L or 240 L.

Le bac peut comporter un arbre avec à chaque extrémité une roue fixée dessus.The tray may have a shaft with a wheel attached to each end.

La roue peut comporter, si on le souhaite, un moyeu réalisé en matière plastique, par exemple par moulage par injection.The wheel may comprise, if desired, a hub made of plastic material, for example by injection molding.

Ce moyeu peut comporter un voile relié à une jante portant la bande de roulement.This hub may comprise a sail connected to a rim bearing the tread.

L'invention a encore pour objet une roue agencée pour équiper un bac roulant, notamment de collecte de déchets, comportant au moins une bande de roulement réalisée dans une matière plastique souple, caractérisée par le fait que la bande de roulement forme au moins une cavité fermée, notamment annulaire.The invention also relates to a wheel arranged to equip a wheeled bin, including waste collection, comprising at least one tread made of a flexible plastic material, characterized in that the tread forms at least one cavity closed, in particular annular.

Dans un exemple de mise en oeuvre de l'invention, la bande de roulement comporte au moins deux portions assemblées, par exemple par soudage ou collage. Ces portions à assembler peuvent être réalisées par exemple par moulage par injection.In an exemplary implementation of the invention, the tread comprises at least two assembled portions, for example by welding or gluing. These portions to be assembled can be made for example by injection molding.

La bande de roulement peut comporter par exemple deux portions assemblées correspondant chacune à une moitié de la bande de roulement coupée par un plan géométrique perpendiculaire à l'axe de rotation de la roue.The tread may comprise for example two assembled portions each corresponding to one half of the tread cut by a geometric plane perpendicular to the axis of rotation of the wheel.

En variante, la bande de roulement comporte deux portions assemblées, l'une radialement intérieure et l'autre radialement extérieure.In a variant, the tread comprises two assembled portions, one radially inner and the other radially outer.

Dans un autre exemple de mise en oeuvre de l'invention, la bande de roulement est monolithique, notamment lorsque celle-ci présente une section transversale extérieure en U.In another embodiment of the invention, the tread is monolithic, especially when the latter has an outer U-shaped cross section.

L'invention a encore pour objet un procédé de fabrication d'une bande de roulement en matière plastique souple, notamment un élastomère, en vue de former une roue d'un bac roulant, la bande de roulement définissant au moins une cavité sensiblement fermée, le procédé comportant les étapes suivantes :

  • extruder un élément tubulaire,
  • former la bande de roulement à partir de l'élément tubulaire en assemblant, par exemple par soudure, deux extrémités de l'élément tubulaire.
The subject of the invention is also a method for manufacturing a tread made of flexible plastic material, in particular an elastomer, for forming a wheel of a rolling container, the tread defining at least one substantially closed cavity, the process comprising the following steps:
  • extruding a tubular element,
  • forming the tread from the tubular element by assembling, for example by welding, two ends of the tubular element.

L'invention a encore pour objet un bac roulant notamment de collecte de déchets, dont au moins une roue comprend une bande de roulement en matière plastique souple, notamment en élastomère, la bande de roulement formant au moins une cavité fermée, notamment une unique cavité, remplie d'un gaz ou d'un mélange de gaz sous pressionThe invention also relates to a wheeled bin including waste collection, including at least one wheel comprises a tread made of flexible plastic material, in particular elastomer, the tread forming at least one closed cavity, including a single cavity filled with a gas or a mixture of gases under pressure

L'invention pourra être mieux comprise à la lecture de la description détaillée qui va suivre, d'exemples de mise en oeuvre non limitatifs de l'invention, et à l'examen du dessin annexé, sur lequel :

  • la figure 1 représente, schématiquement et partiellement, un bac roulant de collecte de déchets conforme à l'invention, et
  • les figures 2 à 6 représentent, schématiquement et partiellement, en coupe axiale, différents exemples de mise en oeuvre d'une roue équipant le bac de la figure 1.
The invention can be better understood on reading the following detailed description, non-limiting examples of implementation of the invention, and on examining the appended drawing, in which:
  • FIG. 1 represents, schematically and partially, a garbage collector according to the invention, and
  • Figures 2 to 6 show, schematically and partially, in axial section, various embodiments of a wheel equipping the tray of Figure 1.

On a représenté sur la figure 1 un bac roulant 1 de collecte de déchets, comportant une cuve 2 et un couvercle 3 articulé sur cette cuve 2.FIG. 1 shows a rolling bin 1 for collecting waste, comprising a tank 2 and a lid 3 articulated on this tank 2.

La cuve 2 et le couvercle 3 peuvent être réalisés en matière plastique et la cuve 2 peut présenter par exemple une contenance de 120 L ou de 240 L.The tank 2 and the lid 3 may be made of plastic and the tank 2 may have, for example, a capacity of 120 L or 240 L.

La cuve 2 comporte à sa partie inférieure deux paliers 4 sur lesquels est monté un arbre 5 portant à chaque extrémité une roue 10.The tank 2 comprises at its lower part two bearings 4 on which is mounted a shaft 5 carrying at each end a wheel 10.

Comme illustré sur les figures 2 à 5, chaque roue 10 comporte un moyeu 11 d'axe X permettant le montage de la roue 10 sur l'arbre 5, et pourvu d'un voile 12 relié à une jante 13 portant une bande de roulement 14.As illustrated in FIGS. 2 to 5, each wheel 10 comprises an X-axis hub 11 enabling the wheel 10 to be mounted on the shaft 5, and provided with a sail 12 connected to a rim 13 carrying a tread 14.

La bande de roulement 14 est creuse et comporte une paroi annulaire 15 radialement extérieure, deux parois latérales 16 se raccordant à la paroi annulaire 15 et une paroi annulaire 17 radialement intérieure, en contact avec la jante 13.The tread 14 is hollow and comprises a radially outer annular wall 15, two lateral walls 16 connected to the annular wall 15 and a radially inner annular wall 17 in contact with the rim 13.

Ces parois 15, 16 et 17 forment une enveloppe définissant une cavité annulaire fermée 20 s'étendant tout autour de l'axe de rotation X.These walls 15, 16 and 17 form an envelope defining a closed annular cavity 20 extending around the axis of rotation X.

Dans l'exemple considéré, le volume de la cavité 20 est supérieur à la moitié du volume total de la bande de roulement 14.In the example considered, the volume of the cavity 20 is greater than half the total volume of the tread 14.

La paroi annulaire 15 radialement extérieure définit une zone de contact 21 avec le sol, cette zone 21 étant sensiblement cylindrique de révolution d'axe X.The radially outer annular wall 15 defines a contact zone 21 with the ground, this zone 21 being substantially cylindrical with an X-axis revolution.

Les parois latérales 16 convergent l'une vers l'autre dans une direction radiale, vers l'extérieur.The side walls 16 converge towards each other in a radial direction, outwardly.

En variante, les parois 16 peuvent être sensiblement parallèles.Alternatively, the walls 16 may be substantially parallel.

La paroi annulaire 17 radialement intérieure présente une forme concave dans une direction radiale, vers l'extérieur.The annular wall 17 radially inner has a concave shape in a radial direction, outwardly.

Dans l'exemple illustré à la figure 2, l'épaisseur de la paroi 15 radialement extérieure présente, suivant une direction parallèle à l'axe X, une épaisseur sensiblement constante.In the example illustrated in Figure 2, the thickness of the radially outer wall 15 has, in a direction parallel to the axis X, a substantially constant thickness.

En variante, comme illustré sur la figure 3, la paroi 15 radialement extérieure peut présenter une épaisseur variable suivant l'axe X, cette épaisseur augmentant par exemple à la jonction de cette paroi 15 radialement extérieure avec les parois latérales 16.As a variant, as illustrated in FIG. 3, the radially outer wall 15 may have a variable thickness along the X axis, this thickness increasing for example at the junction of this radially outer wall with the side walls 16.

Dans les exemples qui viennent d'être décrits, la bande de roulement 14 est dépourvue de nervures internes.In the examples just described, the tread 14 is devoid of internal ribs.

En variante, la bande de roulement 14 peut comporter une nervure interne 25 unique, comme illustré sur la figure 4, ou deux nervures internes 25 parallèles, comme illustré sur la figure 5.Alternatively, the tread 14 may comprise a single internal rib 25, as shown in FIG. 4, or two parallel internal ribs 25, as illustrated in FIG.

La ou les nervures internes 25 se raccordent à une extrémité à la paroi 15 radialement extérieure et présentent une extrémité libre 26.The internal rib or ribs 25 are connected at one end to the radially outer wall and have a free end 26.

En variante, la ou les nervures internes 25 peuvent être reliées aux deux extrémités à des parois en regard de la bande de roulement 14.In a variant, the internal rib or ribs 25 may be connected at both ends to walls facing the tread 14.

La bande de roulement 14 est réalisée, dans l'exemple considéré, dans une matière plastique souple, par exemple en caoutchouc. La matière plastique peut présenter une dureté comprise entre 65 et 75 Shore.In the example under consideration, the tread 14 is made of a flexible plastic material, for example rubber. The plastics material may have a hardness of between 65 and 75 Shore.

La bande de roulement 14 peut comporter deux portions assemblées, par exemple soudées ou collées.The tread 14 may comprise two assembled portions, for example welded or glued.

Ces portions peuvent correspondre par exemple à deux moitiés de la bande de roulement 14 coupées suivant un plan perpendiculaire à l'axe X, ces deux portions pouvant par exemple être réalisées séparément par moulage.These portions may correspond for example to two halves of the tread 14 cut in a plane perpendicular to the X axis, these two portions may for example be made separately by molding.

En variante, les deux portions assemblées de la bande de roulement peuvent correspondre respectivement à des portions radialement intérieure et extérieure de la bande de roulement. La portion radialement intérieure peut comporter par exemple la paroi annulaire 17 radialement intérieure et la portion radialement extérieure peut comporter par exemple la paroi 15 radialement extérieure et les parois latérales 16 par exemple.In a variant, the two assembled portions of the tread may respectively correspond to radially inner and outer portions of the tread. The radially inner portion may comprise for example the annular wall 17 radially inner and the radially outer portion may comprise for example the radially outer wall and the side walls 16 for example.

Les portions assemblées de la bande de roulement peuvent être réalisées dans des matériaux identiques. En variante, les portions assemblées peuvent être réalisées dans des matériaux différents, si on le souhaite, ayant par exemple des duretés différentes.The assembled portions of the tread may be made of identical materials. Alternatively, the assembled portions may be made of different materials, if desired, having for example different hardnesses.

Bien entendu, l'invention n'est pas limitée aux exemples de mise en oeuvre qui viennent d'être décrits.Of course, the invention is not limited to the implementation examples which have just been described.

La forme et le nombre des nervures internes peuvent varier.The shape and number of internal ribs may vary.

L'une des nervures internes peut par exemple se raccorder à une paroi radialement intérieure de la bande de roulement et comporter à l'opposé une extrémité libre.One of the internal ribs may for example be connected to a radially inner wall of the tread and have opposite a free end.

Dans les exemples qui sont décrits ci-dessus, l'enveloppe de la bande de roulement est sensiblement fermée.In the examples which are described above, the tread casing is substantially closed.

En variante, comme illustré sur la figure 6, la bande de roulement présente une section transversale extérieure en U, avec une paroi radialement extérieure 15 et deux parois latérales 16, étant dépourvue de paroi radialement intérieure 17.In a variant, as illustrated in FIG. 6, the tread has an outer U-shaped cross section, with a radially outer wall 15 and two side walls 16, without a radially inner wall 17.

L'enveloppe peut être réalisée par comoulage avec le moyeu 11, par exemple.The casing can be made by coming with the hub 11, for example.

Claims (22)

Bac roulant (1), notamment de collecte de déchets, dont au moins une roue (10) comprend une bande de roulement (14) en matière plastique souple, notamment en élastomère, la bande de roulement (14) formant au moins une cavité sensiblement fermée (20), caractérisé par le fait que la bande de roulement (14) comporte au moins une nervure interne (25), notamment annulaire, s'étendant dans ladite cavité (20) sensiblement perpendiculairement à l'axe de rotation (X) de la roue.Rolling container (1), in particular for the collection of waste, of which at least one wheel (10) comprises a tread (14) of flexible plastics material, in particular of elastomer, the tread (14) forming at least one cavity substantially closed (20), characterized in that the tread (14) comprises at least one internal rib (25), in particular annular, extending in said cavity (20) substantially perpendicular to the axis of rotation (X) of the wheel. Bac roulant (1), notamment de collecte de déchets, dont au moins une roue (10) comprend une bande de roulement (14) en matière plastique souple, notamment en élastomère, la bande de roulement (14) formant au moins une cavité sensiblement fermée (20), caractérisé par le fait que la cavité (20) présente une forme annulaire.Rolling container (1), in particular for the collection of waste, of which at least one wheel (10) comprises a tread (14) of flexible plastics material, in particular of elastomer, the tread (14) forming at least one cavity substantially closed (20), characterized in that the cavity (20) has an annular shape. Bac selon la revendication 1 ou 2, caractérisé par le fait que la cavité est formée uniquement par la bande de roulement.Tray according to claim 1 or 2, characterized in that the cavity is formed solely by the tread. Bac selon la revendication 1 ou 2, caractérisé par le fait que la cavité est formée par la bande de roulement et un moyeu (11) de la roue.Tray according to claim 1 or 2, characterized in that the cavity is formed by the tread and a hub (11) of the wheel. Bac selon l'une quelconque des revendications précédentes, caractérisé par le fait que la cavité (20) présente un volume supérieur au quart, notamment à la moitié, du volume total de la bande de roulement.Tray according to any one of the preceding claims, characterized in that the cavity (20) has a volume greater than one quarter, in particular half, of the total volume of the tread. Bac selon la revendication 1, caractérisé par le fait que la cavité (20) présente une forme annulaire.Tray according to claim 1, characterized in that the cavity (20) has an annular shape. Bac selon l'une quelconque des revendications précédentes, caractérisé par le fait que la bande de roulement (14) comporte une enveloppe définissant la cavité fermée.Tray according to any one of the preceding claims, characterized in that the tread (14) comprises an envelope defining the closed cavity. Bac selon la revendication 7, caractérisé par le fait que l'enveloppe comporte une paroi annulaire (15) radialement extérieure ayant une épaisseur constante suivant une direction parallèle à l'axe de rotation (X) de la roue.Tray according to claim 7, characterized in that the casing comprises a radially outer annular wall (15) having a constant thickness in a direction parallel to the axis of rotation (X) of the wheel. Bac selon la revendication 7, caractérisé par le fait que l'enveloppe comporte une paroi annulaire (15) radialement extérieure ayant une épaisseur variable suivant une direction parallèle à l'axe de rotation (X) de la roue, cette épaisseur augmentant par exemple à la jonction de cette paroi (15) radialement extérieure avec une ou plusieurs parois latérales (16).Tray according to claim 7, characterized in that the casing comprises a radially outer annular wall (15) having a variable thickness in a direction parallel to the axis of rotation (X) of the wheel, this thickness increasing for example to the junction of this radially outer wall (15) with one or more side walls (16). Bac selon l'une quelconque des revendications 7 à 9, caractérisé par le fait que l'enveloppe comporte une zone de contact (21) avec le sol sensiblement cylindrique de révolution.Tray according to any one of claims 7 to 9, characterized in that the envelope comprises a contact zone (21) with the substantially cylindrical ground of revolution. Bac selon la revendication 1 et éventuellement l'une quelconque des autres revendications précédentes, caractérisé par le fait que la bande de roulement comporte deux nervures internes (25) parallèles.Tray according to claim 1 and optionally any one of the other preceding claims, characterized in that the tread comprises two parallel internal ribs (25). Bac selon la revendication 1 et éventuellement l'une quelconque des autres revendications précédentes, caractérisé par le fait que ladite au moins une nervure interne (25) se raccorde à une paroi (15) radialement extérieure de la bande de roulement (14).Tray according to claim 1 and optionally any one of the preceding claims, characterized in that said at least one internal rib (25) is connected to a radially outer wall (15) of the tread (14). Bac selon la revendication 1 et éventuellement l'une quelconque des autres revendications précédentes, caractérisé par le fait que ladite au moins une nervure interne (25) comporte une extrémité libre (26).Tray according to claim 1 and optionally any one of the preceding claims, characterized in that said at least one internal rib (25) has a free end (26). Bac selon l'une quelconque des revendications précédentes, caractérisé par le fait que la bande de roulement (14) est réalisée en caoutchouc ou à base d'une mousse alvéolaire en plastique.Tray according to any one of the preceding claims, characterized in that the tread (14) is made of rubber or based on a cellular foam of plastic. Bac selon l'une quelconque des revendications précédentes, caractérisé par le fait que la cavité communique avec l'extérieur par exemple par l'intermédiaire d'un ou de plusieurs orifices.Tray according to any one of the preceding claims, characterized in that the cavity communicates with the outside, for example via one or more orifices. Roue agencée pour équiper un bac roulant, notamment de collecte de déchets, comportant au moins une bande de roulement (14) réalisée dans une matière plastique souple, la bande de roulement comportant au moins une cavité fermée (20), caractérisée par le fait que la bande de roulement (14) comporte au moins une nervure interne (25), notamment annulaire, s'étendant dans ladite cavité (20) sensiblement perpendiculairement à l'axe de rotation (X) de la roue.Wheel arranged to equip a wheeled bin, in particular for collecting refuse, comprising at least one tread (14) made of a flexible plastic material, the tread comprising at least one closed cavity (20), characterized in that the tread (14) comprises at least one internal rib (25), in particular annular, extending in said cavity (20) substantially perpendicular to the axis of rotation (X) of the wheel. Roue selon la revendication 16, caractérisée par le fait que la bande de roulement comporte deux portions assemblées, par exemple par soudage ou collage.Wheel according to claim 16, characterized in that the tread comprises two assembled portions, for example by welding or gluing. Roue selon la revendication 17, caractérisée par le fait que la bande de roulement comporte deux portions assemblées correspondant chacune à une moitié de la bande de roulement coupée par un plan perpendiculaire à l'axe de rotation (X) de la roue.Wheel according to claim 17, characterized in that the tread comprises two assembled portions each corresponding to one half of the tread cut by a plane perpendicular to the axis of rotation (X) of the wheel. Roue selon la revendication 17, caractérisée par le fait que la bande de roulement comporte deux portions assemblées, l'une radialement intérieure et l'autre radialement extérieure.Wheel according to claim 17, characterized in that the tread comprises two assembled portions, one radially inner and the other radially outer. Roue selon l'une quelconque des revendications 1 à 16, caractérisée par le fait que la bande de roulement est monolithique.Wheel according to any one of claims 1 to 16, characterized in that the tread is monolithic. Procédé de fabrication d'une bande de roulement en matière plastique souple, notamment un élastomère, en vue de former une roue d'un bac roulant, la bande de roulement défmissant au moins une cavité sensiblement fermée (20), le procédé comportant les étapes suivantes : - extruder un élément tubulaire, - former la bande de roulement à partir de l'élément tubulaire en assemblant, par exemple par soudure, deux extrémités de l'élément tubulaire. A method of manufacturing a tread of flexible plastic material, especially an elastomer, for forming a wheel of a rolling container, the tread defining at least one substantially closed cavity (20), the method comprising the steps following: extruding a tubular element, forming the tread from the tubular element by assembling, for example by welding, two ends of the tubular element. Bac roulant, notamment de collecte de déchets, dont au moins une roue comprend une bande de roulement en matière plastique souple, notamment en élastomère, la bande de roulement formant au moins une cavité fermée, notamment une unique cavité, remplie d'un gaz ou d'un mélange de gaz sous pression.Rolling container, in particular for collecting waste, of which at least one wheel comprises a tread made of flexible plastics material, in particular elastomer, the tread forming at least one closed cavity, in particular a single cavity, filled with a gas or a mixture of gases under pressure.
EP05300905.6A 2004-11-10 2005-11-08 Wheeled receptacle, preferably for collecting refuse Not-in-force EP1657188B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0452599A FR2877652B1 (en) 2004-11-10 2004-11-10 ROLLING BAG, IN PARTICULAR FOR COLLECTING WASTE

Publications (2)

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EP1657188A1 true EP1657188A1 (en) 2006-05-17
EP1657188B1 EP1657188B1 (en) 2017-01-11

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EP05300905.6A Not-in-force EP1657188B1 (en) 2004-11-10 2005-11-08 Wheeled receptacle, preferably for collecting refuse

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EP (1) EP1657188B1 (en)
FR (1) FR2877652B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1787923A1 (en) * 2005-11-22 2007-05-23 Compagnie Plastic Omnium Refuse collection container comprising at least one tire wheel assembly

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1729642A1 (en) * 1963-01-17 1972-03-09 H J Et H M Tixier Matieres Pla Plastic wheel or the like, as well as method and device for its manufacture and assembly
FR2727061A1 (en) 1994-11-17 1996-05-24 Gourlin Participation Sa One piece nose wheel with recyclable tyre for communal dustbins

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1729642A1 (en) * 1963-01-17 1972-03-09 H J Et H M Tixier Matieres Pla Plastic wheel or the like, as well as method and device for its manufacture and assembly
FR2727061A1 (en) 1994-11-17 1996-05-24 Gourlin Participation Sa One piece nose wheel with recyclable tyre for communal dustbins

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1787923A1 (en) * 2005-11-22 2007-05-23 Compagnie Plastic Omnium Refuse collection container comprising at least one tire wheel assembly
FR2893600A1 (en) * 2005-11-22 2007-05-25 Plastic Omnium Cie WASTE COLLECTION BIN COMPRISING AT LEAST ONE ASSEMBLY OF A WHEEL AND BANDAGE

Also Published As

Publication number Publication date
FR2877652B1 (en) 2007-07-20
FR2877652A1 (en) 2006-05-12
EP1657188B1 (en) 2017-01-11

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