ES472736A1 - Metodo para preparar un rodillo de traccion resistente a la abrasion - Google Patents

Metodo para preparar un rodillo de traccion resistente a la abrasion

Info

Publication number
ES472736A1
ES472736A1 ES472736A ES472736A ES472736A1 ES 472736 A1 ES472736 A1 ES 472736A1 ES 472736 A ES472736 A ES 472736A ES 472736 A ES472736 A ES 472736A ES 472736 A1 ES472736 A1 ES 472736A1
Authority
ES
Spain
Prior art keywords
abrasion resistant
friction
high rolling
resistant polyurethane
polyurethane article
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
Application number
ES472736A
Other languages
English (en)
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.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of ES472736A1 publication Critical patent/ES472736A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4804—Two or more polyethers of different physical or chemical nature
    • C08G18/4808—Mixtures of two or more polyetherdiols
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B23/00—Component parts of escalators or moving walkways
    • B66B23/02—Driving gear
    • B66B23/04—Driving gear for handrails
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • Y10T428/31605—Next to free metal

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Tyre Moulding (AREA)

Abstract

Método para preparar un rodillo de tracción resistente a la abrasión, que comprende un cubo metálico cuya circunferencia exterior está cubierta por una rueda de composición de poliuretano extendido, de alta tracción resistente a la abrasión, caracterizado por (1) mezclar (A) 100 partes de un prepolímero que tiene un peso equivalente de isocianato de 1.350 a 1.600, y consistente esencialmente en: (i) 100 partes de una mezcla consistente esencialmente en 60 por ciento en peso a 85 por ciento en peso de polioxitetrametilendiol y de 15 por ciento en peso a 40 por ciento en peso de polioxiisopropilendiol, y (ii) de 14 partes a 17 partes de tolilendiisocianato, añadido en atmósfera inerte, y (B) 8,0 a 10,0 partes de metilen-bis (0-cloroanilina) que actúa como extendedor de cadena, para formar una composición de poliuretano extendido fluido reactivo, (2) insertar un cubo de rueda metálico en un molde de rueda, (3) verter la composición de poliuretano extendido alrededor de la circunferencia del cubo metálico en el mode, y (4) calentar el cubo y la composición de poliuretano reactivo durante 1 hora a 3 horas, a 80ºC - 100ºC, en el molde, para formar un cubo con una cubierta maciza de poliuretano curado alrededor de su circunferencia.
ES472736A 1977-08-23 1978-08-22 Metodo para preparar un rodillo de traccion resistente a la abrasion Expired ES472736A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/827,033 US4134883A (en) 1977-08-23 1977-08-23 Abrasion resistant polyurethane article having a high rolling coefficient of friction

Publications (1)

Publication Number Publication Date
ES472736A1 true ES472736A1 (es) 1979-10-16

Family

ID=25248154

Family Applications (1)

Application Number Title Priority Date Filing Date
ES472736A Expired ES472736A1 (es) 1977-08-23 1978-08-22 Metodo para preparar un rodillo de traccion resistente a la abrasion

Country Status (7)

Country Link
US (1) US4134883A (es)
JP (1) JPS5443300A (es)
BE (1) BE869664A (es)
BR (1) BR7805440A (es)
CA (1) CA1136332A (es)
ES (1) ES472736A1 (es)
FR (1) FR2401184A1 (es)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59173470A (ja) * 1983-03-22 1984-10-01 株式会社　鴻池組 ブレ−ス構造およびブレ−ス内蔵耐震壁
DE3715679A1 (de) * 1987-05-15 1988-12-01 Taurus Gumiipari Vallalat Aus elastischem material gefertigtes laufendes band, insbesondere fuer gelaender von fahrtreppen bzw. fahrsteigen
US4875568A (en) * 1989-01-05 1989-10-24 Otis Elevator Company Escalator handrail drive
US4998613A (en) * 1989-02-28 1991-03-12 Otis Elevator Company Self adjustable escalator handrail drive
US4901839A (en) * 1989-02-28 1990-02-20 Otis Elevator Company Self adjustable escalator handrail drive
US4895240A (en) * 1989-03-16 1990-01-23 Otis Elevator Company Cogbelt handrail drive for passenger conveyor
US5062520A (en) * 1990-07-11 1991-11-05 Otis Elevator Company Self adjustable handrail drive with separate drive chains
US5018616A (en) * 1990-11-05 1991-05-28 Otis Elevator Company Balanced self adjustable escalator handrail drive
US5160020A (en) * 1990-11-09 1992-11-03 Lindberg Corporation Drive system for endless belt conveyors with rollers having driving, supporting and aligning features
US5449063A (en) * 1990-11-09 1995-09-12 Lindberg Corporation Modified drive system for endless belt conveyors with rollers having driving, supporting and aligning features
US5133443A (en) * 1991-03-15 1992-07-28 Otis Elevator Company Self adjustable escalator handrail drive with balanced drive chain tension
JPH0772222B2 (ja) * 1991-06-14 1995-08-02 三洋化成工業株式会社 ポリウレタン系エラストマーの製造方法
JPH0772223B2 (ja) * 1991-07-13 1995-08-02 三洋化成工業株式会社 ポリウレタン系エラストマーの製造方法
JP2530776B2 (ja) * 1991-08-13 1996-09-04 ニッタ株式会社 ウレタンエラストマ―用組成物
US5117960A (en) * 1991-08-15 1992-06-02 Otis Elevator Company Linear belt handrail drive
US5341909A (en) * 1993-08-30 1994-08-30 Otis Elevator Company Linear wheel escalator handrail drive
US5307920A (en) * 1993-09-14 1994-05-03 Otis Elevator Company Moving handrail drive
US5372232A (en) * 1994-03-23 1994-12-13 Otis Elevator Company Handrail drive pressure chain with soft rollers
US5427221A (en) * 1994-05-12 1995-06-27 Home Elevators, Inc. Escalator handrail drive system
US5638937A (en) * 1995-01-13 1997-06-17 Inventio Ag Handrail drive system conversion
US6830705B1 (en) 2000-06-14 2004-12-14 Azon Usa Inc. Liquid stable MDI prepolymers and liquid stable curative systems suitable for room temperature casting which yield high performance urethane elastomers
US6450317B1 (en) * 2000-09-26 2002-09-17 Otis Elevator Company Escalator drive machine
US8016097B2 (en) * 2003-02-06 2011-09-13 Otis Elevator Company Escalator linear belt handrail drive
US6954606B2 (en) * 2003-04-18 2005-10-11 Lexmark International, Inc. Polyurethane coatings and drive rollers including the same
WO2004108581A1 (de) * 2003-06-04 2004-12-16 Semperit Aktiengesellschaft Holding Handlauf, handlaufführungssystem, sowie handlaufantriebssystem einer fahrtreppe oder eines fahrsteigs
KR100686661B1 (ko) * 2004-12-31 2007-02-27 오티스 엘리베이터 컴파니 에스컬레이터 및 이동보도의 곡률 조절 가능한 핸드레일길이보상장치
JP5096694B2 (ja) * 2005-06-07 2012-12-12 インベンテイオ・アクテイエンゲゼルシヤフト 柔軟なハンドレールを駆動するホイール
KR101116562B1 (ko) * 2007-06-28 2012-02-28 가부시키가이샤 도칸 맨-콘베이어용 이동난간
TWI462864B (zh) * 2007-09-10 2014-12-01 Ehc Canada Inc 具有一般ｃ形截面且界定內部一般ｔ形槽之扶手
WO2009033270A1 (en) 2007-09-10 2009-03-19 Ehc Canada, Inc. Method and apparatus for extrusion of thermoplastic handrail
US9981415B2 (en) 2007-09-10 2018-05-29 Ehc Canada, Inc. Method and apparatus for extrusion of thermoplastic handrail
CN107531001B (zh) 2015-05-07 2020-08-04 Ehc加拿大股份公司 具有增强的机械性质的紧凑型复合扶手
KR102162322B1 (ko) 2015-06-19 2020-10-06 이에이치씨 캐나다, 인크. 열가소성 핸드레일의 압출 방법 및 장치
USD853676S1 (en) * 2016-11-18 2019-07-09 Kone Corporation Ramp with paneling
US10302549B2 (en) 2016-12-07 2019-05-28 Otis Elevator Company Handrail friction checking device
CN109134814B (zh) * 2018-07-30 2020-12-18 喻传云 一种聚氨酯纺纱胶圈及其制备方法
WO2020059048A1 (ja) * 2018-09-19 2020-03-26 保土谷化学工業株式会社 主剤及び硬化剤のセット、防水材並びにその施工方法
EP3812408A1 (de) * 2019-10-23 2021-04-28 Covestro Deutschland AG Polyurethanpolymer mit einer härte von <= 60 shore a und guter abriebfestigkeit

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3034791A (en) * 1960-04-26 1962-05-15 Du Pont Polyurethane golf ball covers
FR1371587A (fr) * 1962-10-15 1964-09-04 Du Pont Perfectionnements aux élastomères de polyuréthanes
US3414109A (en) * 1965-12-02 1968-12-03 Westinghouse Electric Corp Transportation devices having movable handrails
US3490119A (en) * 1968-10-23 1970-01-20 Yamauchi Rubber Ind Co Ltd Polyurethane rubber covered roll
US3779360A (en) * 1972-08-23 1973-12-18 Westinghouse Electric Corp Transportation device having movable handrails
JPS532199B2 (es) * 1973-07-03 1978-01-26
US4005773A (en) * 1974-12-10 1977-02-01 Westinghouse Electric Corporation Transportation device having movable handrails
US4010146A (en) * 1975-09-29 1977-03-01 Samuel Moore And Company Polyol blends and polyurethane prepared therefrom

Also Published As

Publication number Publication date
BR7805440A (pt) 1979-05-15
BE869664A (fr) 1979-02-12
US4134883A (en) 1979-01-16
CA1136332A (en) 1982-11-23
JPS5443300A (en) 1979-04-05
FR2401184A1 (fr) 1979-03-23

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