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EP1112219B1 - Main courante - Google Patents

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Publication number
EP1112219B1
EP1112219B1 EP99944536A EP99944536A EP1112219B1 EP 1112219 B1 EP1112219 B1 EP 1112219B1 EP 99944536 A EP99944536 A EP 99944536A EP 99944536 A EP99944536 A EP 99944536A EP 1112219 B1 EP1112219 B1 EP 1112219B1
Authority
EP
European Patent Office
Prior art keywords
hand
layers
rail
layer
rail according
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.)
Expired - Lifetime
Application number
EP99944536A
Other languages
German (de)
English (en)
Other versions
EP1112219A1 (fr
Inventor
Janusz Ledzinski
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.)
Semperit AG Holding
Original Assignee
Semperit AG Holding
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 Semperit AG Holding filed Critical Semperit AG Holding
Priority to AT99944536T priority Critical patent/ATE239664T1/de
Publication of EP1112219A1 publication Critical patent/EP1112219A1/fr
Application granted granted Critical
Publication of EP1112219B1 publication Critical patent/EP1112219B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B23/00—Component parts of escalators or moving walkways
    • B66B23/22—Balustrades
    • B66B23/24—Handrails
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249924—Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249924—Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity
    • Y10T428/249928—Fiber embedded in a ceramic, glass, or carbon matrix
    • Y10T428/249929—Fibers are aligned substantially parallel
    • Y10T428/24993—Fiber is precoated

Definitions

  • the subject invention relates to a handrail for use in escalators, Moving walks and the like, which have a C-shaped cross section, as outer layers a slide layer and a rubber cover layer for the user, also a tension member having position, especially with embedded in the rubber and in the longitudinal direction oriented steel cords, and at least one on each side of the tension member Has reinforcement layer.
  • Handrails for escalators, moving walks for passenger transportation and the like have important functions to perform. You have to go for the escalators and People using moving walkways have a stable and secure grip and be designed so flexibly that they are different Bend the drive rollers and let them guide. They also need handrails Can withstand voltages of several thousand Newtons.
  • a handrail construction of the type mentioned at the outset is known, for example, from the US A 5 255 772 known.
  • the type of handrail disclosed here with a C-shaped cross-section has a tension member, which consists of parallel to each other in the longitudinal direction of the Handrail made of steel cords, embedded in a rubber matrix are.
  • the sliding layer consists of a tightly woven material, for example Cotton, polyamide or polyester, and has a good sliding handrail on the To ensure the guide rail.
  • the weft threads provided are only used for cohesion the warp threads.
  • the C-shaped cross section of the handrail provides the required rigidity supported.
  • the lip width is adjusted so that the handrail is not too big Resistance can slide, but the lip width tolerance has to be so small that the fingers or clothing cannot pinch.
  • Most of time handrails of known constructions tend to either expand the Lip distance, which can lead to pinching of the fingers or clothing can, or they tend to get narrower. In the latter case, this can lead to Friction of the handrail on the rail, to overheating and subsequently to Destruction of the handrail.
  • the object of the invention is therefore a handrail for escalators and moving walks for people with compared to the known constructions improved dynamic properties and dimensional stability to develop with a longer lifespan that does not have the problems mentioned.
  • the object is achieved by at least one of the Reinforcement layers is a rubber layer with homogeneously distributed short fibers, the one Have preferred orientation and under the longitudinal direction of the handrail an angle deviating from 0 °.
  • a handrail is compared to the known Constructions of higher transverse stiffness, greater longitudinal flexibility, improved Dimensional stability and stiffer lips are provided. That for them Reinforcement layers used according to the invention are provided homogeneously with short fibers Material prevents the occurrence of different tensions when conventional handrails during stress in the area of the transitions from textile to rubber.
  • the reinforcement layers in the handrail are like this positioned that the short fibers at an angle other than 0 ° to the Extension of the tension member.
  • a reinforcement layer according to the invention also does not contain any warp threads that are in the conventional handrails in the Reinforced layers of woven material are included.
  • the lack of warp threads imparts excellent elasticity to a handrail constructed according to the invention in the longitudinal direction with high transverse rigidity.
  • the lip width change both in one Positive bend as well as a bend over the back of the handrail (negative bend) much lower than with conventionally constructed handrails.
  • constructed handrails are easy to manufacture, have a compared to the known designs significantly longer life and are overall safer in operation than the known constructions.
  • the short fibers are in the Reinforcement layers oriented such that they are opposite to the longitudinal direction of the Handrail at an angle that is at least 30 °, in particular at least 45 °, deviates from the longitudinal direction of the handrail.
  • An orientation of the Short fibers in these areas is both for longitudinal elasticity as well a high transverse rigidity is an advantage.
  • a handrail according to the invention can be executed differently.
  • the rigidity of the handrail according to the invention is favorably influenced by if the short fibers cross in adjacent reinforcement layers and with the Incline preferably equal angles in the longitudinal direction of the handrail.
  • an embodiment can also be made in which the short fibers in neighboring reinforcement layers run parallel to each other.
  • the proportion of short fibers is between 10 and 40 parts by weight, especially between 15 and 30 parts by weight, based on 100 parts by weight of rubber in the mixture.
  • the material for the short fibers can be made of synthetic Material such as nylon, polyester, polyvinyl alcohol, aromatic polyamide, carbon, from mineral material such as glass or from natural material, for example Cotton.
  • the short fibers used can also be a fiber mix be made of fibers of different materials.
  • the rigidity of the reinforcement layers can be made possible by the choice of fiber type and the mixing ratio different fibers can be determined.
  • the ratio of the length of the fibers to the diameter of the fibers is contributes to the rigidity of the layers. This ratio should be for the fibers used are between 50 and 300.
  • the reinforcement layers in the finished handrail have fiber material, fiber content, etc. finally a thickness of 0.8 to 5 mm.
  • FIG. 1 shows a Oblique view of an embodiment of a handrail according to the invention, in which the individual layers are gradually removed to build up the handrail 2 shows a cross section through the handrail according to FIG. 1.
  • the handrail 1 shown in the drawing figures has the usual C-shaped Cross section and therefore comprises a flat, transversely extending central part 1a and Lips 1b which are then bent inwards on both sides thereof.
  • Such a Handrail 1 is usually used for escalators or moving walks for People used.
  • the lips 1b encompass the one not shown here Guide rail of the escalator or moving walk.
  • the handrail 1 has a multilayer structure, which will now be discussed in more detail becomes.
  • the handrail 1 On one outside the handrail 1 has the usual rubber cover layer 2 as Support for the hand of the user of the escalator or moving walk on which other outside, the handrail 1 is provided with a sliding layer 3, which with the here not shown guide rail comes into contact.
  • the sliding layer 3 can Handrail 1 designed according to the invention have and consist of the usual structure a tightly woven cotton, polyamide, or polyester fabric to ensure good sliding of the handrail 1 on the guide rail.
  • the handrail 1 Between the slide layer 3 and the cover layer 2, the handrail 1 consists of further layers, through the necessary transverse rigidity and the required longitudinal flexibility be awarded.
  • reinforcement layer 5 On both sides of the tension member layer 4 and between the cover layer 2 and the Sliding layer 3 and extending into the lip areas 1b are each one according to the invention executed reinforcement layer 5 is provided.
  • the reinforcement layers 5 beds between them the tension member layer 4, on both sides of the layer 4 or in the Lip areas 1b form a uniform position.
  • the layers 5 consist of a Rubber mixture in which short fibers 6 are embedded.
  • the short fibers 6 a preferred orientation, they are largely oriented in a single direction, the layers 5 in the illustrated embodiment in the handrail 1 embedded that the short fibers 6 run in the transverse direction of the handrail 1, therefore at a right angle to the longitudinal direction and the orientation of the Tension member are arranged.
  • the layers 5 are provided with a corresponding Running thickness.
  • a reinforcement layer 5 Usually a thickness between 0.8 and 5 mm, in particular up to 3 mm.
  • the raw panels from the fiber-reinforced mixture are made during a manufacturing process Calendering in a thickness of 0.5 to 0.8 mm created, which is a good orientation of the Fibers guaranteed.
  • To a thicker reinforcement layer 5 in the finished handrail several, in particular up to four, thin calendered plates are obtained either relined after calendering or when setting up the handrail 1 superimposed.
  • the mixture according to Example 1 is based on polychloroprene rubber, the mixture according to Example 2 on styrene butadiene rubber and Natural rubber, which are only examples and therefore preferred Rubber types.
  • the proportion of SBR can be between 30 and 80 parts by weight and the proportion of natural rubber between 20 and 70 Parts by weight. Both mixtures also contain plasticizers Proportion can be up to 20 parts by weight.
  • the rubber compounds contain furthermore the usual additives, such as anti-aging agents, magnesium oxide, stearic acid, Zinc oxide, accelerator, sulfur and optionally crosslinking agent, these additives are added in the usual amounts.
  • the amount of soot can be between 20 and 70 Parts by weight.
  • the rubber mixture according to FIG Mixture example 1 short nylon fibers in a proportion of 5 parts by weight and Cotton short fibers in a proportion of 15 parts by weight, based in each case on 100 Parts by weight of rubber in the mixture.
  • the mixture according to mixture example 2 contains a mixture of short cotton fibers (10 parts by weight), short nylon fibers (5th Parts by weight) and PVA short fibers (5 parts by weight). It therefore comes alongside fibers made of synthetic material such as carbon, nylon, polyester and aromatic Polyamide (Kevlar) also fibers made from a mineral material such as glass and natural fibers, such as cotton.
  • the total percentage of fibers in the Mixture is between 10 and 40 parts by weight, especially 15 to 30 parts by weight Parts by weight, selected.
  • Fibers of different materials can be used Combination can be added to each other, but only one type of fiber can be used be used.
  • the length of the fibers embedded in the reinforcement layers 5 is generally between 1 and 12 mm. This is particularly important Ratio of the length of the fibers to the diameter of the fibers Stiffness of the layers 5. This ratio should be between for the fibers used 50 and 300.
  • the rigidity of the fiber-reinforced layers 5 can thus be determined by the choice of the type of fiber, the mixing ratio of possible different fibers, the proportion of fibers, the Length of the fibers and the ratio of length to diameter determined or can be set. That after vulcanization from such rubber compounds resulting reinforcement layer 5 has a hardness of at least 75 Shore A, especially at least 80 Shore A.
  • the fibers can be uncoated or rubber-friendly coated, for example RFL (resorcinol-formaldehyde latex) -coated, can be used.
  • the coating has the purpose of improving the adhesion between the fiber material and the rubber matrix.
  • the short fibers 6 added to the raw rubber mixture are, for example oriented in a certain direction by the calendering process.
  • a good Orientation of the fibers in the rubber mixture is generally achieved calendering the mixture to a thickness of 0.5 to 0.8 mm.
  • To thicker ones To obtain layers, the calendered layer is used in multiple layers. Also Extruding through a slot die is suitable for increasing the fiber orientation to reach.
  • Reinforcement layer 5 provided with short fibers 6.
  • the number of or the The total thickness of the reinforcement layers 5 is determined by the rigidity of one individual layer 5 and on the other hand determined by the transverse rigidity to be achieved.
  • a layer 5 above and below the tension member having layer 4 used are preferably such that the Short fibers 6 at a right angle to the longitudinal direction of the handrail 1 and the Tension member run.
  • the orientation of the short fibers 6 is chosen so that it is at an angle other than 0 ° with the longitudinal direction of the handrail 1 lock in. It is particularly advantageous if the angle is at least 30 °, in particular at least 45 °, deviates from the longitudinal direction.
  • the two above or below the Layer 4 provided reinforcement layers 5 are positioned in the handrail 1 that the short fibers 6 of one layer 5 at an acute angle to the longitudinal direction of the Handrail 1 are oriented and the second reinforcement layer 5 is used in such a way that their short fibers 6 under a preferably the same size, in terms of However, the longitudinal direction is in the opposite direction.
  • the orientation of the short fibers 6 can be like this continue that in the lip areas 1b, where layers 5 meet connect, there is again a crossing arrangement. However, it can Position all layers 5 or only a few layers 5 so that their Short fibers 6 run transversely to the longitudinal direction of the handrail 1.
  • Reinforcement layers 5 according to the invention form homogeneously constructed Reinforcement layers that give the handrail 1 excellent elasticity Longitudinal direction with high transverse rigidity.
  • This homogeneous Reinforcement material above and below the tension member prevents the occurrence of different voltages, as is the case with conventional Handrails through the transitions from textile to rubber during use may be the case, which means a larger one in the handrails according to the invention Lifetime is reached.
  • Lip width changes both with positive bend and even when bending over the back of the handrail (negative bend) are due to the lack of interlining warp threads to a minimum. It is also an upsetting of the Positions, as can also occur with conventionally constructed handrails, excluded by the new construction.
  • the leakage of the Fabric inlays on the rubber surface, as is the case with conventional constructions can no longer occur in handrails designed according to the invention occur.
  • Another important advantage of the new construction is the construction of the joint given. Tissue overlaps, which is a common handrail The inhomogeneity and weak point of the handrail are missing in the construction according to the invention.
  • the joints are designed so that the Reinforcement layers 5 according to the invention only at an angle of 30 to 90 ° Longitudinally butt or overlapping, while during the Vulcanization fuses the joint and does not form an inhomogeneous point in the handrail can. Even those that often occur with conventional constructions with textile inserts Problems with moisture absorption are eliminated in the invention Construction.
  • the particularly high hardness of the fiber-reinforced rubber material gives this Handrail a high transverse rigidity, the very high rubber compound viscosity prevents penetration of the rubber material through the sliding layer, which at conventional handrails to increase the friction of the sliding position on the Can guide rail.

Landscapes

  • Escalators And Moving Walkways (AREA)
  • Reinforced Plastic Materials (AREA)

Claims (11)

  1. Main courante destinée à être utilisée dans les escaliers mécaniques, les tapis roulants et analogues, laquelle a une section en forme de C, et comporte comme couches extérieures une couche de glissement (3) et une couche de revêtement en caoutchouc (2) pour l'utilisateur, avec en outre une couche comportant des tirants (4), constitués en particulier de cordons en acier (4a) orientés dans la direction longitudinale et incorporés dans le caoutchouc, ainsi que une couche de renforcement (5) s'étendant dans la régions des lèvres des deux côtés de chaque tirant (4), caractérisée en ce qu'au moins une des couches de renforcement (5) est une couche en caoutchouc comportant des fibres courtes (6), réparties de façon homogène, qui possèdent une direction privilégiée et qui s'étendent suivant un angle s'écartant de 0° par rapport à la direction longitudinale de la main courante (1).
  2. Main courante selon la revendication 1, caractérisée en ce que les fibres courtes (6) s'étendent par rapport à la direction longitudinale suivant un angle qui s'écarte d'au moins 30°, en particulier d'au moins 45°, par rapport à la direction longitudinale de la main courante.
  3. Main courante selon la revendication 1 ou 2, caractérisée en ce qu'au moins une couche, de préférence deux couches, de renforcement (5) dotées de fibres courtes (6) sont disposées d'un côté ou des deux côtés de chaque tirant (4).
  4. Main courante selon l'une des revendications 1 à 3, caractérisée en ce que les fibres courtes (6) se croisent dans des couches de renforcement voisines (5), les angles qui sont formés entre les fibres courtes (6) dans ces couches (5) et la direction longitudinale de la main courante (1) étant de préférence de même grandeur.
  5. Main courante selon l'une des revendications 1 à 3, caractérisée en ce que les fibres courtes (6) dans des couches de renforcement voisines (5) s'étendent parallèlement entre elles.
  6. Main courante selon l'une des revendications 1 à 5, caractérisée en ce que la ou les couches de renforcement (5) sont réalisées à partir d'un mélange caoutchouteux dont le pourcentage de fibres courtes (6) est compris entre 10 et 40 par rapport à 100 parties en poids de caoutchouc dans le mélange.
  7. Main courante selon la revendication 6, caractérisée en ce que le pourcentage de fibres courtes (6) est compris entre 15 et 30 parties en poids.
  8. Main courante selon l'une des revendications 1 à 7, caractérisée en ce que les fibres courtes sont en une matière synthétique, comme le nylon, le polyester, l'alcool polyvinylique, le polyamide aromatique, le carbone, en une matière minérale, comme le verre, ou en une matière naturelle, comme le coton.
  9. Main courante selon l'une dès revendications 1 à 8, caractérisée en ce que les fibres courtes (6) sont un mélange de fibres de matières différentes.
  10. Main courante selon l'une des revendications 1 à 9, caractérisée en ce qu'il est utilisé des fibres dont le rapport de la longueur sur le diamètre est compris entre 50 et 300.
  11. Main courante selon l'une des revendications 1 à 10, caractérisée en ce que la ou les couches de renforcement (5) ont une épaisseur comprise entre 0,8 et 5 mm.
EP99944536A 1998-09-11 1999-08-27 Main courante Expired - Lifetime EP1112219B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT99944536T ATE239664T1 (de) 1998-09-11 1999-08-27 Handlauf

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT153698 1998-09-11
AT0153698A AT407377B (de) 1998-09-11 1998-09-11 Handlauf
PCT/EP1999/006308 WO2000015536A1 (fr) 1998-09-11 1999-08-27 Main courante

Publications (2)

Publication Number Publication Date
EP1112219A1 EP1112219A1 (fr) 2001-07-04
EP1112219B1 true EP1112219B1 (fr) 2003-05-07

Family

ID=3515603

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99944536A Expired - Lifetime EP1112219B1 (fr) 1998-09-11 1999-08-27 Main courante

Country Status (11)

Country Link
US (1) US6673431B1 (fr)
EP (1) EP1112219B1 (fr)
JP (1) JP2002524372A (fr)
KR (1) KR20010073150A (fr)
CN (1) CN1113802C (fr)
AT (1) AT407377B (fr)
BR (1) BR9913628A (fr)
CA (1) CA2343037A1 (fr)
DE (1) DE59905487D1 (fr)
ES (1) ES2193743T3 (fr)
WO (1) WO2000015536A1 (fr)

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WO2004106039A1 (fr) * 2003-05-28 2004-12-09 Semperit Aktiengesellschaft Holding Structure de raccordement pour profiles longitudinaux

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DE102004044951B4 (de) * 2004-09-16 2017-05-04 Semperit Ag Holding Handlauf und Führungsschiene für eine Personenbeförderungsanlage
WO2006110136A1 (fr) * 2005-04-08 2006-10-19 Otis Elevator Company Main courante d’un escalier roulant et son procede de fabrication
JP5258169B2 (ja) * 2005-05-09 2013-08-07 インベンテイオ・アクテイエンゲゼルシヤフト エスカレータまたは動く歩道のための新規タイプのハンドレール、およびこのようなハンドレールを備えたエスカレータまたは動く歩道
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EP1971712B1 (fr) * 2005-12-28 2014-04-02 Otis Elevator Company Traitement de couche de glissement pour main courante de tapis roulant
US7766150B2 (en) * 2006-04-24 2010-08-03 Otis Elevator Company Passenger conveyor handrail with a unique sliding layer
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JP6515209B2 (ja) 2015-06-19 2019-05-15 イー エイチ シー カナダ インコーポレーテッドＥＨＣ Ｃａｎａｄａ，Ｉｎｃ． 熱可塑性ハンドレールの押し出し成形のための方法及び装置
CN107848771B (zh) * 2015-08-03 2019-07-16 三菱电机株式会社 乘客输送机用移动扶手
CN105253760A (zh) * 2015-10-30 2016-01-20 依合斯电梯扶手（上海）有限公司 螺旋型扶手带及其制备方法
KR102267288B1 (ko) * 2020-07-13 2021-06-18 이성호 에스컬레이터 및 무빙워크용 자기성 스마트 패브릭 핸드레일 및 핸드레일 시스템
DE102020132647A1 (de) * 2020-12-08 2022-06-09 Semperit Ag Holding Handlauf für eine Personenbeförderungsanlage
DE102021115997A1 (de) * 2021-06-21 2022-12-22 Semperit Ag Holding Handlauf und Verfahren zur Herstellung des Handlaufs
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Publication number Priority date Publication date Assignee Title
WO2004106039A1 (fr) * 2003-05-28 2004-12-09 Semperit Aktiengesellschaft Holding Structure de raccordement pour profiles longitudinaux

Also Published As

Publication number Publication date
JP2002524372A (ja) 2002-08-06
EP1112219A1 (fr) 2001-07-04
CN1113802C (zh) 2003-07-09
US6673431B1 (en) 2004-01-06
ES2193743T3 (es) 2003-11-01
WO2000015536A1 (fr) 2000-03-23
AT407377B (de) 2001-02-26
CN1316972A (zh) 2001-10-10
ATA153698A (de) 2000-07-15
CA2343037A1 (fr) 2000-03-23
KR20010073150A (ko) 2001-07-31
BR9913628A (pt) 2001-05-22
DE59905487D1 (de) 2003-06-12

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