EP3017717A1 - Support de brosse pour une brosse à rouleaux ayant un profil d'étanchéité - Google Patents

Support de brosse pour une brosse à rouleaux ayant un profil d'étanchéité Download PDF

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Publication number
EP3017717A1
EP3017717A1 EP14192521.4A EP14192521A EP3017717A1 EP 3017717 A1 EP3017717 A1 EP 3017717A1 EP 14192521 A EP14192521 A EP 14192521A EP 3017717 A1 EP3017717 A1 EP 3017717A1
Authority
EP
European Patent Office
Prior art keywords
profile
brush holder
sealing
brush
sealing profile
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.)
Withdrawn
Application number
EP14192521.4A
Other languages
German (de)
English (en)
Inventor
Ulrich Menken
Jan Winkler
Werner Weil
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.)
Weber Buerstensysteme GmbH
Original Assignee
Weber Buerstensysteme GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Weber Buerstensysteme GmbH filed Critical Weber Buerstensysteme GmbH
Priority to EP14192521.4A priority Critical patent/EP3017717A1/fr
Priority to PCT/EP2015/075708 priority patent/WO2016075011A1/fr
Priority to EP15790544.9A priority patent/EP3217836A1/fr
Publication of EP3017717A1 publication Critical patent/EP3017717A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B13/00—Brushes with driven brush bodies or carriers
    • A46B13/001—Cylindrical or annular brush bodies
    • A46B13/005—Cylindrical or annular brush bodies made up of a series of longitudinal strips or segments
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B3/00—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
    • A46B3/08—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by clamping
    • A46B3/10—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by clamping into rings or the like
    • A46B3/14—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by clamping into rings or the like specially adapted for street-cleaning or rail-cleaning brooms

Definitions

  • the present invention relates to a brush carrier which can be arranged interchangeably on a roller body of a brush roller and which is equipped with a plurality of bristle tufts or bundles of bristles and which permits a simple and rapid replacement of torn brushes due to its detachable arrangement on the roller body of the brush roller.
  • Brush holder for interchangeable and releasable arrangement of receiving profiles of roll bodies of brush rollers, which are commonly referred to as cassette brushes, are well known in the art.
  • a bristle attachment for cylindrical brush rollers of sweepers. That attachment consists of a bristle-holding profile, which is insertable into a receiving profile of the cylindrical brush roller.
  • a sealing plate is arranged above an upper guide shoulder of the support profile, which extends over the entire length of the shoulder profile on both sides of the bristle bundles and which covers the opening of the receiving profile.
  • the bristle holder and the sealing plate are made in one piece from a plastic with limited elasticity.
  • a lateral projection of the sealing plate must be chosen comparatively large.
  • the sealing plate contributes not insignificantly to the profile design and mechanical reinforcement of the holder profile.
  • the holder profile is typically inserted in the profile longitudinal direction in the hereby corresponding profile recording of the roll body.
  • the circumferential direction that is perpendicular to the profile longitudinal direction extending and relatively stiff sealing plate can significantly increase a frictional resistance during insertion of the holder profile in the receiving profile.
  • the present invention is therefore based on the object of providing a brush holder which is improved with regard to its sealing arrangement on a receiving profile of a roller body. This should be as easy as possible and low friction on the roll body of a brush roller can be arranged replaceable despite improved sealing effect.
  • the brush holder should still provide a sufficient sealing effect even in the presence of minor profile and component tolerances. It should be as simple and inexpensive to manufacture and also improve the acoustic properties of the equipped with appropriate brush holders brush roller, in particular to minimize emanating from the brush roller noise emission.
  • a brush holder for placement on a roller body provided with receiving profiles of a brush roller.
  • the roller body typically has a cylindrical contour. It can be arranged rotatably on a street sweeper, equipped with brush holders to free a fixed surface of dirt and the like particles.
  • the brush holder which is also commonly referred to as a cassette brush, has in addition to a number of radially outwardly projecting bristle tufts or bundles of bristles an elongated fastening profile which corresponds to provided on the lateral surface of the roll body receiving profiles and accordingly in such receiving profiles insertable and detachable on those recording profiles on the roller body of the brush roller can be fastened.
  • the brush holder in particular its fastening profile according to the invention has at least one flexible sealing profile.
  • the sealing profile and the fastening profile of the brush holder are made of different materials, wherein the sealing profile has a higher elasticity than the fastening profile.
  • the material of the sealing profile is more elastic than the material of the fastening profile.
  • the sealing profile and the fastening profile By providing two different materials for the sealing profile and the fastening profile, on the one hand a particularly firm and durable connection of the brush holder on the roll body can be achieved, while the comparatively soft and / or elastic sealing profile provides an improved seal between the fastening profile and the receiving profile.
  • the receiving profile of the roller body which is designed in particular as a radial recess, can be widely sealed via the sealing profile of the brush holder and thus protected against the penetration of dust, dirt or moisture.
  • a comparatively elastic sealing profile can be deformed or deformed contrary to an inherent restoring force, in particular during assembly upon reaching the assembly position, whereby a force required for the insertion of the brush holder, thus its fastening profile in an associated receiving profile of the roll body in comparison to the cited prior art in an advantageous Way can be reduced.
  • At least two sealing profiles are provided on the fastening profile. These can be arranged on circumferentially opposite side edges of the fastening profile with respect to the subsequent arrangement on the roller body be.
  • the brush holder can be kept largely free of play on the roll body even under a bias from the sealing profile, whereby the mechanical stress of the brush holder in the use of the brush roller, in particular in a rotating roller body, can be reduced.
  • the flexible sealing profile can contribute to the sound absorption.
  • the sealing profile due to the outgoing from him play-free attachment of the brush holder on the roll body and counteract the formation of noise.
  • the sealing profile is arranged on a widened in the circumferential or transverse direction head portion of the fastening profile.
  • the sealing profile is located in the mounting position of the brush holder on the roller body typically adjacent to the lateral surface or adjacent to the outer periphery of the cylindrical roller body. It is provided in particular that the sealing profile comes to lie outside of the receiving profile of the roller body designed as a recess.
  • the fastening profile is supported with its widened in the circumferential direction head portion at a shoulder portion of the receiving profile.
  • the sealing profile may be located approximately radially between the roller body side shoulder portion and the brush carrier side head portion. An otherwise remaining gap between the receiving profile and fastening profile can be completely sealed in this way by the sealing profile.
  • the sealing profile based on an assembly position on the roll body, arranged on or in extension of a radially inwardly facing contact surface of the head portion of the fastening profile.
  • the sealing profile can be viewed in profile cross-section, lie within that contact surface, that is enclosed on both sides in the circumferential direction of the contact surface.
  • the sealing profile protrudes radially inward from the contact surface.
  • the contact surface on the brush support side comes into contact exclusively via the sealing profile projecting from it with a corresponding contact surface or a corresponding shoulder section of the receiving profile.
  • the sealing profile is arranged in extension of the radially inwardly facing contact surface of the head portion.
  • the sealing profile may in this case be designed in particular as a lateral extension in the circumferential or transverse direction of the contact surface.
  • the sealing profile can extend the contact surface in the circumferential or transverse direction. It is also conceivable that the sealing profile not only continues the course and the contour of the contact surface in the circumferential direction, but that the sealing profile protrudes slightly further radially inward than the contact surface.
  • the sealing element is namely at least slightly radially outwardly pressed with and / or by reaching a final assembly position on the mounting profile and / or on a radially outwardly facing contact surface of the roller body, so that it largely completely seals a supposed gap.
  • the contact surface of the head portion is concave.
  • the contact surface may in this case have an approximately over a quarter circle extending curvature.
  • assembly position on the roll body can be formed in this way a largely full-surface mutual contact position of contact surface and a correspondingly designed therewith a curved portion of a shoulder portion of the receiving profile of the roll body. Any punctual loads, which in long-term use for mechanical Weakening of the brush holder and / or the roll body could be reduced in this way.
  • the sealing profile protrudes in the circumferential or transverse direction from the head portion of the fastening profile. It is hereby provided in particular that in each case a sealing profile protrudes in the circumferential direction on opposite side cheeks of the fastening profile.
  • Such an external arrangement of sealing profiles allows a sealing lip-like configuration of the sealing profiles.
  • An at least partially in the circumferential or transverse direction protruding from the mounting profile sealing profile is particularly easily flexible deformable and can provide a particularly good degree of geometric deformation to achieve a good sealing effect.
  • the sealing profile has a free and flexibly deformable cross-sectional end.
  • the sealing profile projects laterally with that cross-sectional end, that is to say in the circumferential or transverse direction from the head section of the fastening profile. It is thus particularly simple and smooth in the radial direction, in particular for sealing a radial gap between the head portion of the fastening profile and a correspondingly configured shoulder portion of the receiving profile of the roll body deformable. That comparatively smooth deformability proves to be particularly advantageous for the insertion of the brush holder into intended receiving profiles of the roller body.
  • the sealing profile is cohesively, positively or non-positively connected to the fastening profile.
  • most diverse types of fastening for the permanent and / or detachable arrangement of the at least one or more sealing profiles on the fastening profile come into question.
  • the sealing profile may be glued to the fastening profile.
  • the fastening profile and the sealing profile have mutually corresponding positive locking means, such as latching pins or locking lugs, which engage in associated undercuts or through holes.
  • the fastening profile and the sealing profile can also be made separately from each other and each separately.
  • the sealing profile can then be fastened or fixed releasably or permanently, that is, not destructively detachable, on the fastening profile.
  • the sealing profile is extruded onto the fastening profile.
  • the sealing profile is connected here in the course of an extrusion process directly to the fastening profile. It is already connected in the course of its production directly to the mounting profile.
  • a separate assembly step of fastening profile and sealing profile can be omitted in an advantageous manner.
  • a brush holder with one, preferably with several, typically opposite to the mounting profile anextruded sealing profiles is also relatively inexpensive to produce in mass production.
  • the sealing profile is releasably or replaceably connected to the fastening profile.
  • a detachable connection of sealing profile and fastening profile is particularly advantageous for a recycling process of the brush holder.
  • the brush holder equipped with bristle bundles or bristle tufts can be equipped several times with bristles. Torn bristles can be detached from the brush holder and replaced with new ones. Since the sealing profile and the fastening profile are made of different materials, it may happen that the sealing profile is subject to a higher wear than the fastening profile.
  • the detachable or replaceable arrangement of the sealing profile on the fastening profile allows a needs-based renewal of the sealing profile in the course of re-fitting the brush holder with bristles.
  • sealing profile on the fastening profile are in particular positive or positive fastening method in question.
  • a cohesively tailed sealing profile such as a adhered to the mounting profile or anextrudieres sealing profile with suitable tools or using suitable chemical solvent without residue from the mounting profile to remove.
  • the sealing profile is held by clamping in a groove of the fastening profile.
  • the groove of the fastening profile in this case has a cross-sectional contour or cross-sectional geometry, which is typically slightly smaller than a corresponding hereby outer cross-sectional contour of the sealing profile in an initial state.
  • the sealing profile can be at least partially squeezed and held in that at least partially squeezed state in the groove.
  • the groove may for example have a circular segment-like cross-sectional contour and the sealing profile may for example have an approximately circular cross-section.
  • Such cross-sectional geometries are particularly well suited for a clamping or crimped arrangement of the sealing profile in the groove of the fastening profile.
  • the groove of the fastening profile is advantageous within the contact surface of the widened in the circumferential direction head portion of the fastening profile.
  • the fastening profile is made of a polypropylene material (PP).
  • PP polypropylene material
  • the fastening profile can be manufactured in particular as an injection-molded component or as an extrusion component.
  • the attachment profile may in particular be fiber-reinforced or talc-reinforced, so that it has sufficient mechanical strength and durability even in continuous operation.
  • the attachment profile thus the brush holder itself, can also be provided with individual reinforcing ribs or structure-reinforcing contours, for example with structure-reinforcing webs, which give the highest possible mechanical strength and rigidity in the attachment profile with the lowest possible weight.
  • the sealing profile is made of a thermoplastic elastomer material (TPE).
  • TPE thermoplastic elastomer material
  • the sealing profile has, in particular, crosslinked thermoplastic elastomers which are based, for example, on olefin-based.
  • Such a material pairing PP and TPE is particularly suitable for extruding the sealing profile to the previously by means of extrusion or injection molding manufactured fastening profile, without the use of special or specially provided adhesives would be.
  • the invention further relates to a brush roller with a cylindrical roller body, on whose lateral surface a plurality of circumferentially spaced apart and each extending in the longitudinal or axial direction receiving profiles are provided. At least in one of the receiving profiles, which are typically embedded as extending in the axial direction receiving recesses in the lateral surface of the roller body, a previously described brush holder is arranged.
  • the brush roller is in particular motor-driven in rotation, wherein the axis of rotation of the brush roller coincides with the longitudinal or axial direction of the roller body and extending parallel thereto.
  • the roller body may, according to a development between circumferentially adjacent receiving profiles longitudinally extended shoulder portions which are radially outwardly facing provided with a contact surface, which pass over a convex curvature portion in the respective circumferentially adjacent receiving profile.
  • the roller body is provided with regularly or equidistantly circumferentially spaced shoulder portions or profile heads formed thereof, wherein the radially outwardly facing contact surfaces that shoulder portions form the lateral surface of the cylindrical roller body.
  • the convex-shaped curved portion of the contact surface in the adjacent and configured as a radial recess receiving profile proves to be advantageous for the contact position of the widened in the circumferential direction head portion of the associated fastening profile.
  • the convex curvature portion may correspond directly to the concave shaped abutment surface of the head portion of the brush holder.
  • the at least one sealing profile seals a gap between the convex curvature section and the concave contact surface.
  • the brush holder is inserted under elastic deformation of its at least one sealing profile in the longitudinal or axial direction in a corresponding receiving profile of the roll body.
  • the sealing profile can still be subject to elastic deformation and in this respect over the entire longitudinal extent of the sealing profile receive or have a certain bias, so that on the one hand, the brush holder is held far play in the receiving profile of the roll body.
  • the bias or at least slight elastic deformation of the sealing profile during insertion and final assembly state a very good seal the gap area between the receiving profile and mounting profile.
  • Fig. 1 is a stocked with a plurality of brush holders 10 brush roller 40 partially shown in a side view or partially cut.
  • the brush roller 40 has a roller body 42 of cylindrical shape.
  • the roller body 42 extends along a longitudinal direction or axial direction (z), which in the illustration according to FIG Fig. 1 is perpendicular to the paper plane.
  • the roller body 42 is in a sweeper around a in Fig. 1 only indicated axis of rotation 1 rotatably mounted.
  • the roller body 42, thus the entire brush roller 40 is displaceable by means of a motor in rotary motion.
  • Brush holder 10 On the lateral surface of the roller body 42 a plurality of approximately equidistantly spaced brush holder 10 are arranged in the circumferential direction u. These have a profile extending in the longitudinal or axial direction.
  • An isolated in Fig. 5 Brush holder 10 shown typically has a plurality of bristle tufts 12 or bristle bundles that are equidistant and spaced apart from one another in the longitudinal direction.
  • the individual bristles or bristle tufts 12 are typically enclosed in a plastic sleeve 14 in each case and are fastened to the elongated bristle carrier 10 in a manner known per se.
  • the bristle carrier 10 is provided in particular with a profiled fastening profile 16.
  • This in Fig. 5 shown attachment profile 16 has at a lower end facing away from the bristle tufts 12 a foot portion 22 and adjacent thereto a left and right, thus in the circumferential direction of the foot portion 22 projecting projection 18.
  • the fastening profile 16 is in the circumferential direction, that is in the illustration according to Fig. 5 left and right of the sleeve 14, far-reaching identical or symmetrical.
  • the attachment profile 16 can be used in particular in a correspondingly configured receiving profile 46 of the roller body 42.
  • An unpopulated receiving profile 46 is left in, for example Fig. 2 shown.
  • the receiving profile 46 extends from the lateral surface of the roller body 42 radially inwardly.
  • a profile pot 50 which is bounded in the circumferential direction in each case by largely rectilinear side walls 51. Radially outwardly to those side walls 51 adjoins a groove 52, which is designed to receive the circumferentially protruding projections 18 of the fastening profile 16. Radially outwardly to that groove 52 adjoins an undercut forming shoulder portion 48. This has at its radially outwardly facing end portion on a substantially flat configured contact surface 58, which merges via a convex curved portion 56 in a side cheek 57, which side cheek in the in Fig. 2 shown assembly position engages in the groove 20 of the mounting profile 16.
  • the representations according to the Fig. 1 to 6 each show only one end face or a cross section of brush holder 10 and / or roller body 52. It goes without saying that the interlocking receiving profiles 46 of the roller body 42 and the fastening profiles 16 of the brush holder 10 extend continuously in the longitudinal direction, so that the brush holder 10 via his entire longitudinal extent is held by means of its fastening profile 16 on the receiving profile 46.
  • the receiving profiles 46 are thus formed by intermediate spaces between radially outwardly projecting profile elements 44 of the roller body 42.
  • the brush holder can be captively secured to the rotating during operation brush roller 40.
  • the brush holder are secured by means of separate fastening means axially on the roller body 42.
  • the brush holder 10 are typically made as a plastic extrusion. These, as well as the profile elements 44, and the receiving profiles 46 located therebetween may be subject to certain manufacturing tolerances. Furthermore, during operation of the brush roller 40, it can not be ruled out that the brush holders 10 and / or the receiving profiles 46 are subject to certain damages or deformations.
  • the brush holder 10 in the region of its fastening profile 16 has two sealing profiles 30; 130 on.
  • the sealing profiles 30 are arranged on both circumferentially opposite sides of the elongate fastening profile 16. They are arranged in particular in the region of the radially outside of the lateral surface, thus radially outside the contact surface 58 of the profile elements 44 of the roller body 42; or they come to lie radially outward on that contact surface 58 when the fastening profile 16 is intended in engagement with the associated receiving profile 46.
  • the sealing profile 30, 130 in comparison to the material of the fastening profile 16, 116th a higher elasticity. It is accordingly relatively easy or deformable with less resistance.
  • the fastening profile 16 can be introduced in the axial direction into the receiving profile 46 corresponding thereto only under an elastic deformation of the sealing profile 30, 130.
  • the sealing profile 30, 130 Upon reaching a final assembly state, the sealing profile 30, 130 accordingly remains under pretension so that it effectively seals a remaining gap between the receiving profile 46 and the fastening profile 16.
  • the sealing profile 30 is configured in the manner of a laterally molded to the mounting profile 16 or an extruded sealing lip.
  • the sealing profile 30 is glued to the fastening profile 16 or otherwise, for example, positively secured thereto.
  • the sealing profile 30 has a free end, thus a flexibly deformable cross-sectional end 32, which protrudes in the circumferential direction u from the outer contour of the fastening profile 16 of the brush holder 10. That free cross-sectional end 32 also tapers towards its end, so that in particular its end region is particularly easily deformable.
  • the sealing profile 30 has a radially inwardly facing abutment surface 34 which merges in extension and almost flush in a radially inwardly or circumferentially outwardly aligned convexly shaped contact surface 26 of the head portion 24.
  • Fig. 3 it is shown that the brush holder 10 is supported in the area of the head section 24, at least in the radial direction, exclusively via the sealing profile 30 on the contact surface 58 of the profile element 44. A remaining gap between the corresponding concave and convex curved portions 56 and bearing surface 26 is completely closed in this way to the outside.
  • the sealing profile 30, 130 preferably extends over the entire longitudinal extension of the brush holder 10, or its fastening profile 16.
  • the sealing profile 30, 130 is made of a comparatively soft and flexible material compared to the material of the receiving profile 16, 116, the sealing profile 30, 130 can also fulfill an acoustically damping function. Furthermore, it may slightly dampen minimal movements of the brush holder 10 in the circumferential direction or radial direction, which may arise due to the inevitable gap to be maintained between receiving profile 46 and mounting profile 16, 116.
  • the geometric contour of the brush holder 100 deviates from the fastening profile 16 of the brush carrier 10 in detail in FIG Fig. 4 shown slightly off.
  • the sealing profile 130 has a quasi-circular cross-section and is clamped in a corresponding thereto circular segment-like groove 128.
  • the sealing profile 130 can be squeezed or clamped in the groove 128 and thus held positively and / or non-positively in this, without the need for adhesives or other chemical bonding agents would be required.
  • the sealing profile 130 is integrated in this embodiment in the concave contact surface 126 of the head portion 124 of the mounting profile 116.
  • the sealing profile 130 has a contact surface 134 that protrudes radially inward relative to the geometry of the roller body 42 and projects radially inward from the concavely curved contact surface 126.
  • the contact surface 134 of the sealing profile 130 or the bead formed by the sealing profile 130 and projecting radially inwards is enclosed laterally, that is to say in the circumferential direction u of surface portions 126a, 126b of the contact surface 126.
  • the head portion 124 extends in the final assembly position on the roller body 42 in the circumferential direction u to a covering area with the radially outwardly projecting abutment surface 58 of the fasteners 44.
  • the concave curved abutment surface 126 is supported on the corresponding thereto designed shoulder portion 48 of the profile element 44 in the circumferential direction as also in the radial direction.
  • the sealing profile 130 can be easily replaced if necessary in particular when providing a clamping holder in the groove 128. In that regard, it is advantageously detachably arranged on the fastening profile 116.

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  • Brushes (AREA)
EP14192521.4A 2014-11-10 2014-11-10 Support de brosse pour une brosse à rouleaux ayant un profil d'étanchéité Withdrawn EP3017717A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP14192521.4A EP3017717A1 (fr) 2014-11-10 2014-11-10 Support de brosse pour une brosse à rouleaux ayant un profil d'étanchéité
PCT/EP2015/075708 WO2016075011A1 (fr) 2014-11-10 2015-11-04 Monture pour brosse cylindrique, pourvue d'un profilé d'étanchéité
EP15790544.9A EP3217836A1 (fr) 2014-11-10 2015-11-04 Monture pour brosse cylindrique, pourvue d'un profilé d'étanchéité

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14192521.4A EP3017717A1 (fr) 2014-11-10 2014-11-10 Support de brosse pour une brosse à rouleaux ayant un profil d'étanchéité

Publications (1)

Publication Number Publication Date
EP3017717A1 true EP3017717A1 (fr) 2016-05-11

Family

ID=51868113

Family Applications (2)

Application Number Title Priority Date Filing Date
EP14192521.4A Withdrawn EP3017717A1 (fr) 2014-11-10 2014-11-10 Support de brosse pour une brosse à rouleaux ayant un profil d'étanchéité
EP15790544.9A Withdrawn EP3217836A1 (fr) 2014-11-10 2015-11-04 Monture pour brosse cylindrique, pourvue d'un profilé d'étanchéité

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP15790544.9A Withdrawn EP3217836A1 (fr) 2014-11-10 2015-11-04 Monture pour brosse cylindrique, pourvue d'un profilé d'étanchéité

Country Status (2)

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EP (2) EP3017717A1 (fr)
WO (1) WO2016075011A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0121118A2 (fr) * 1983-03-08 1984-10-10 Walter Droeser Brosse cylindrique pour balayeuses
CA1256255A (fr) 1985-11-22 1989-06-27 Franz Weber Profile porte-soies pour brosses rotatives
DE102009043167A1 (de) * 2009-09-28 2011-05-05 Weber Bürstensysteme Gmbh Borstenträger und Borstenträgersystem für walzenartige Rotationsbürsten für Kehrmaschinen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0121118A2 (fr) * 1983-03-08 1984-10-10 Walter Droeser Brosse cylindrique pour balayeuses
CA1256255A (fr) 1985-11-22 1989-06-27 Franz Weber Profile porte-soies pour brosses rotatives
DE102009043167A1 (de) * 2009-09-28 2011-05-05 Weber Bürstensysteme Gmbh Borstenträger und Borstenträgersystem für walzenartige Rotationsbürsten für Kehrmaschinen

Also Published As

Publication number Publication date
WO2016075011A1 (fr) 2016-05-19
EP3217836A1 (fr) 2017-09-20

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