• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a composition of an insulating composition for laying rolling stock rails placed between the base and / or pavement and the rail. The aim of the invention is to increase the degree of sound insulation and reduce the degree of vibration transmission caused by rolling stock. The insulation composition includes, in May.%: Elastomeric polyurethane with a content of 23% by weight of isocyanate and 77% by weight of polyol 78-90 and expanded clay with a grain size of 1-20 mm 10-22. The difference between the rails and the foundations on the surface of the i -relt (dB, at 5 10 m / s) at frequencies of 31.5-315 Hz is up to 21.9. 1 tab.
    公开号:SU1711670A3
    申请号:SU864027684
    申请日:1986-06-23
    公开日:1992-02-07
    发明作者:Эйзнер Лотар
    申请人:Лотар Эйзнер (DT)；
    IPC主号:
    专利说明:

    ate
    with
    This invention relates to an insulating composition for laying railroad rails placed between a base and / or pavement and a rail.
    The purpose of the invention is to increase the degree of sound insulation and reduce the degree of vibration transmission caused by rolling stock.
    To practice the invention on; a 2 m long rail track, mounted on a concrete base, examines the insulation properties.
    Example 1. Use a composition comprising elastomeric polyurethane and expanded clay in a mass ratio of 90:10 .;
    PRI mme R 2. The composition includes: elastomeric polyurethane and expanded clay at a mass ratio of 78:22 .:
    Example 3. The known composition contains claydite with a grain size of 1-20 mm, fiber glass with a thickness of 10 µm, poly
    urethane of 23% by weight of isocyanate and 77% by weight of polyol. The weight ratio between expanded clay, fiberglass and polyurethane is 55, 10 and 35.
    The elastomeric polyurethane Ikosite used as the binder in the proposed composition is an elastomeric polyurethane consisting of 23% by weight of the isocyanate component and 77% by weight of the polyol component (Sikashem company).
    A weight of 5 tons is placed on the samples. The level of sound caused by the blows of a rubber hammer is measured on the surface of the rails and directly next to them on the foundation using an instrument with a sensitivity of 100 mV / g. Measuring signals proportional to the voltage acceleration (dB, at 5 .. m / s) are fed into a computer system, which determines the difference obtained at the surface-relO
    Vi o

    Sl
    This is a measure of sound insulation and, at the same time, vibrations (the higher the difference, the better the insulation). In this case, the study is conducted in the frequency range of 31.5-315 Hz.
    权利要求:
    Claims (1)
    [1]
    The properties of the proposed and known materials are presented in the table. Claims of the invention Insulation composition for laying rails of rail vehicles, placed between the base and / or pavement and the rail, including polyurethane.
    0
    and expanded clay with a grain size of 1–20 mm, which is associated with the fact that, in order to increase the sound insulation and reduce the transmission of vibrations caused by rolling stock, it contains elastomeric polyurethane with the following composition: 23 wt.% isocyanate and 77 May. % polyol in the following ratio of components of the composition, wt.%:
    Specified elastomer
    polyurethane 78-90
    Specified
    claydite10-22
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    SU1668662A1|1991-08-07|Method for shear strength testing of soft and medium-hard rocks
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    同族专利:
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    引用文献:
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    DE636589C|1934-07-24|1936-10-12|Int Latex Processes Ltd|Underbed for tram and similar rails|
    DE815046C|1950-06-22|1951-09-27|Josef Dr Oberbach|Installed tram tracks and procedures for their installation|
    DE1853647U|1961-02-24|1962-06-20|Paul Mueller Holzwaren Fabrik|THRESHOLD, IN PARTICULAR RAILWAY THRESHOLD.|
    NL6712548A|1967-09-13|1969-03-17|
    DE1809955B1|1968-11-20|1970-03-19|Stelcon Ag|METHOD OF FASTENING RAILS IN THE RAIL CHANNELS OF TRACK PLATES|
    US4292214A|1979-02-21|1981-09-29|Blount David H|Process for the production of polyurethane products|
    FR2125747A5|1971-02-19|1972-09-29|Malthe Louis|Composite rubber sound insulation - with elastomeric or polyurethane binder|
    JPS5218611A|1975-07-31|1977-02-12|Nichireki Chem Ind Co Ltd|Slab type track construction|
    SE423229B|1975-11-14|1982-04-26|Bfg Glassgroup|MATERIAL COMPOSITION COMPREHENSIVE CELLULAR BODIES DISTRIBUTED IN A BINDING OR IN A HARDENABLE OR HARDENED MATERIAL|
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    WO1983002968A1|1982-02-19|1983-09-01|Pierre Zurkinden|Sport field coating|DE3711190C2|1987-04-02|1994-12-08|Lothar Eisner|Method for fastening structure-borne noise insulation and structure-borne noise insulation to rails for rail-bound vehicles|
    AT387996B|1987-09-25|1989-04-10|Getzner Chemie Gmbh & Co|DEVICE FOR THE ELASTIC STORAGE OF GROOVED RAILS|
    GB8822293D0|1988-09-22|1988-10-26|British Steel Plc|Improvements in & relating to railways|
    CA2004396A1|1988-12-02|1990-06-02|Friedrich Howanietz|Composition for forming a sound-damping mass, especially for rail systems|
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    NL9300891A|1993-05-25|1994-12-16|Edilon Bv|Rail.|
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    DE102013110182A1|2012-09-14|2014-03-20|Johann Resch|Rail i.e. groove rail, for embedding into rail cappings of e.g. railway line, has multiple electrical lamps embedded into rail cappings, where different color light emitted from lamps is viewable from outside|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE19843439252|DE3439252A1|1984-10-26|1984-10-26|RAIL INSTALLATION MATERIAL|
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