EP1657188B1 - Wheeled receptacle, preferably for collecting refuse - Google Patents

Wheeled receptacle, preferably for collecting refuse Download PDF

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Publication number
EP1657188B1
EP1657188B1 EP05300905.6A EP05300905A EP1657188B1 EP 1657188 B1 EP1657188 B1 EP 1657188B1 EP 05300905 A EP05300905 A EP 05300905A EP 1657188 B1 EP1657188 B1 EP 1657188B1
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EP
European Patent Office
Prior art keywords
tread
wheel
cavity
bin according
bin
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
EP05300905.6A
Other languages
German (de)
French (fr)
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EP1657188A1 (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
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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
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 subject of the present invention is a rolling container, in particular a waste container, according to the preamble of claim 1, and a wheel arranged to equip such a rolling container according to the preamble of claim 16, and a method of manufacturing a tread made of flexible plastic material for forming a wheel of a rolling container according to claim 21.
  • a waste collection tank according to the preamble of claim 1, 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 thus a rolling container, in particular a waste container, of which at least one wheel comprises a tread made of flexible plastic material, in particular an elastomer, the tread forming at least one substantially closed cavity, characterized by the fact that the tread comprises at least one internal rib, in particular annular, extending in said cavity substantially perpendicular to the axis of rotation of the wheel.
  • 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 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 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 to the joining 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 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 casing may 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, in particular waste collection, comprising at least one tread made of a flexible plastic material, the tread comprising at least one closed cavity, characterized by the that the tread comprises at least one internal rib, in particular annular, extending in said cavity substantially perpendicular to the axis of rotation of the wheel.
  • 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.
  • a rolling bin 1 for collecting waste comprising a tank 2 and a cover 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 has a hub X-axis 11 for mounting the wheel 10 on the shaft 5, and provided with a web 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 presents. 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 comprises at least one internal rib 25, for example a single internal rib 25, as illustrated in FIG. figure 4 , or two parallel internal ribs 25, as illustrated in FIG. figure 5 .
  • 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, being devoid of 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)

Description

La présente invention a pour objet un bac roulant, notamment de collecte de déchets, selon le préambule de la revendication 1, et une roue agencée pour équiper un tel bac roulant selon le préambule de la revendication 16, et un procédé de fabrication d'une bande de roulement en matière plastique souple en vue de former une roue d'un bac roulant selon la revendication 21.The subject of the present invention is a rolling container, in particular a waste container, according to the preamble of claim 1, and a wheel arranged to equip such a rolling container according to the preamble of claim 16, and a method of manufacturing a tread made of flexible plastic material for forming a wheel of a rolling container according to claim 21.

On connaît par la demande de brevet FR 2 727 061 un bac de collecte de déchets selon le préambule de la revendication 1, 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.It is known from the patent application FR 2,727,061 a waste collection tank according to the preamble of claim 1, 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 souple, notamment en élastomère, la bande de roulement formant au moins une cavité sensiblement fermée, caractérisé par le fait que la bande de roulement comporte au moins une nervure interne, notamment annulaire, s'étendant dans ladite cavité sensiblement perpendiculairement à l'axe de rotation de la roue.The subject of the invention is thus a rolling container, in particular a waste container, of which at least one wheel comprises a tread made of flexible plastic material, in particular an elastomer, the tread forming at least one substantially closed cavity, characterized by the fact that the tread comprises at least one internal rib, in particular annular, extending in said cavity substantially perpendicular to the axis of rotation of the wheel.

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. La 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.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. The 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 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 définissant 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 to the joining 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.

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 casing may 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, la bande de roulement comportant au moins une cavité fermée, caractérisée par le fait que la bande de roulement comporte au moins une nervure interne, notamment annulaire, s'étendant dans ladite cavité sensiblement perpendiculairement à l'axe de rotation de la roue.The invention also relates to a wheel arranged to equip a wheeled bin, in particular waste collection, comprising at least one tread made of a flexible plastic material, the tread comprising at least one closed cavity, characterized by the that the tread comprises at least one internal rib, in particular annular, extending in said cavity substantially perpendicular to the axis of rotation of the wheel.

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 et comportant au moins une nervure interne s'étendant dans ladite cavité sensiblement perpendiculairement à l'axe de rotation de la roue, 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 and having at least one internal rib extending in said cavity substantially perpendicular to the axis of rotation of the wheel, the method 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 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, les exemples des figures 2 et 3 ne faisant pas partie de l'invention.
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:
  • the figure 1 represents, schematically and partially, a rolling bin for collecting waste according to the invention, and
  • the Figures 2 to 6 represent, schematically and partially, in axial section, various examples of implementation of a wheel equipping the tank of the figure 1 , examples of Figures 2 and 3 not part of the invention.

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.We have shown on the figure 1 a rolling bin 1 for collecting waste, comprising a tank 2 and a cover 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 on Figures 2 to 5 each wheel 10 has a hub X-axis 11 for mounting the wheel 10 on the shaft 5, and provided with a web 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, ne faisant pas partie de l'invention, l'épaisseur de la paroi 15 radialement extérieure présente. suivant une direction parallèle à l'axe X, une épaisseur sensiblement constante.In the example shown in figure 2 , not forming part of the invention, the thickness of the radially outer wall presents. in a direction parallel to the axis X, a substantially constant thickness.

Dans l'exemple illustré sur la figure 3, ne faisant partie de l'invention, 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.In the example shown on the figure 3 , part of the invention, 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.

Selon l'invention, la bande de roulement 14 comporte au moins une nervure interne 25, par exemple une nervure interne 25 unique, comme illustré sur la figure 4, ou deux nervures internes 25 parallèles, comme illustré sur la figure 5.According to the invention, the tread 14 comprises at least one internal rib 25, for example a single internal rib 25, as illustrated in FIG. figure 4 , or two parallel internal ribs 25, as illustrated in FIG. figure 5 .

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.

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.Alternatively, as illustrated on the figure 6 , the tread has an outer U-shaped cross-section, with a radially outer wall 15 and two side walls 16, being devoid of 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 (21)

  1. Wheeled bin (1), in particular for collecting waste, of which at least one wheel (10) comprises a tread (14) of flexible plastic material, in particular elastomer, the tread (14) forming at least one substantially closed cavity (20), characterised in that the tread (14) has at least one internal rib (25), in particular annular, extending into said cavity (20) substantially perpendicular to the axis of rotation (X) of the wheel.
  2. Bin according to claim 1, characterised in that the cavity is formed only by the tread.
  3. Bin according to claim 1, characterised in that the cavity is formed by the tread and a hub (11) of the wheel.
  4. Bin according to any one of the preceding claims, characterised in that the volume of the cavity (20) is greater than one quarter, in particular one half, of the total volume of the tread.
  5. Bin according to claim 1, characterised in that the cavity (20) has an annular shape.
  6. Bin according to any one of the preceding claims, characterised in that the tread (14) comprises a casing defining the closed cavity.
  7. Bin according to claim 6, characterised 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.
  8. Bin according to claim 6, characterised 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 at the junction of this radially outer wall (15) with one or more side walls (16).
  9. Bin according to any one of claims 6 to 8, characterised in that the casing has a ground contact area (21) that is substantially cylindrical of revolution.
  10. Bin according to claim 1 and possibly any one of the other preceding claims, characterised in that the tread comprises two internal parallel ribs (25).
  11. Bin according to claim 1 and possibly any one of the other preceding claims, characterised in that said at least one internal rib (25) is connected to a radially outer wall (15) of the tread (14).
  12. Bin according to claim 1 and possibly any one of the other preceding claims, characterised in that said at least one internal rib (25) has a free end (26).
  13. Bin according to any one of the preceding claims, characterised in that the tread (14) is made of rubber or based on a plastic cellular foam.
  14. Bin according to any one of the preceding claims, characterised in that the cavity communicates with the outside, for example via one or more orifices.
  15. Bin according to any one of the preceding claims, wherein the cavity is closed, forming in particular a single cavity, and is filled with a gas or a mixture of gases under pressure.
  16. Wheel arranged to equip a wheeled bin (1), in particular for collecting waste, comprising at least one tread (14) made of a flexible plastic material, the tread having at least one closed cavity (20), characterised in that the tread (14) has at least one internal rib (25), in particular annular, extending into said cavity (20) substantially perpendicular to the axis of rotation (X) of the wheel.
  17. Wheel according to claim 16, characterised in that the tread comprises two assembled portions, for example by welding or gluing.
  18. Wheel according to claim 17, characterised in that the tread comprises two assembled portions, each corresponding to half of the tread divided by a plane perpendicular to the axis of rotation (X) of the wheel.
  19. Wheel according to claim 17, characterised in that the tread comprises two assembled portions, one radially inner portion and one radially outer portion.
  20. Wheel according to claim 16, characterised in that the tread is monolithic.
  21. Method for manufacturing a tread of flexible plastic material, in particular an elastomer, to form a wheel of a wheeled bin, the tread defining at least one substantially closed cavity (20) and having at least one internal rib extending into the cavity substantially perpendicular to the axis of rotation (X) of the wheel, the method comprising the following steps:
    - extruding a tubular member,
    - forming the tread from the tubular member by assembling, for example by welding, the two ends of the tubular member.
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)

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

Family

ID=34950518

Family Applications (1)

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

Country Status (2)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2893600B1 (en) * 2005-11-22 2009-07-03 Plastic Omnium Cie WASTE COLLECTION BIN COMPRISING AT LEAST ONE ASSEMBLY OF A WHEEL AND BANDAGE

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2727061A1 (en) * 1994-11-17 1996-05-24 Gourlin Participation Sa One piece nose wheel with recyclable tyre for communal dustbins

Also Published As

Publication number Publication date
FR2877652A1 (en) 2006-05-12
EP1657188A1 (en) 2006-05-17
FR2877652B1 (en) 2007-07-20

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