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    • 4. 发明公开
    • METHOD FOR PRODUCING FRP CYLINDER AND FRP CYLINDER
    • VERFAHREN ZUR HERSTELLUNG EINES FKV-ZYLINDERS UND FKV-ZYLINDER
    • EP2390087A1
    • 2011-11-30
    • EP10733416.1
    • 2010-01-14
    • Fujikura Rubber Ltd.
    • NAKAMURA,TakatoMATSUMOTO, NorioKIMOTO, Naoki
    • B29C70/16F16C3/02
    • B29C70/32B29K2101/10B29K2105/246B29L2023/22Y10T428/24058
    • A method is provided for producing a weight-reduced FRP cylinder which can attain high strength, and also such an FRP cylinder is provided. This FRP cylinder producing method, in which a plurality of prepregs formed by impregnating reinforced fibers with thermosetting resin sheets are wound into a cylinder and thermally cured to be formed as a plurality of FRP layers, includes a simultaneous multilayer winding process in which a torsional rigidity retaining prepreg and a buckling prevention prepreg are continuously wound a plurality of turns with being layered on each other when the plurality of prepregs are wound into a cylinder, wherein the torsional rigidity retaining prepreg includes a layer of fibers oblique to a cylindrical axis direction of the FRP cylinder, and wherein the bucking prevention prepreg includes a layer of fibers orthogonal to the cylindrical axis direction.
    • 提供了一种制造能够获得高强度的减重FRP气缸的方法,并且还提供了这种FRP气缸。 这种FRP气缸的制造方法,其中将通过用热固性树脂片浸渍增强纤维形成的多个预浸料坯卷绕到圆筒中并热固化以形成多个FRP层,其包括同时多层缠绕工艺,其中扭转刚度 当多个预浸料坯被卷绕到圆筒中时,保持预浸料坯和抗弯曲预浸料坯彼此层叠而连续地卷绕多圈,其中扭转刚性保持预浸料坯包括相对于圆筒轴线方向倾斜的纤维层 FRP圆筒,其中所述抗弯曲预浸料包括与所述圆柱轴线方向正交的纤维层。
    • 5. 发明公开
    • RODLESS CYLINDER DEVICE
    • KOLBENSTANGENLOSE ZYLINDERVORRICHTUNG
    • EP2096323A1
    • 2009-09-02
    • EP07831825.0
    • 2007-11-14
    • FUJIKURA RUBBER LTD.
    • EJIRI, Takashi
    • F15B15/14
    • F15B15/084
    • [OBJECTIVE]
      An objective of the invention is to achieve a rodless cylinder device of simple structure which is capable of easily assuring sealing performance over a long term and capable of operating at low pressure with no frictional resistance. Another objective of the invention is to achieve a rodless cylinder device in which the stroke of the external moving body can be made long for the length of the cylinder body.
      [PROBLEM-SOLVING MEANS]
      A rodless cylinder device includes a piston body integrated with the central top portion of a rolling diaphragm, a cylinder body which fixes the circumferential annular fixing portion of the rolling diaphragm and in which the piston body is fitted to be freely movable, a slit which is formed in the cylinder body to extend therethrough and elongated in an axial direction, an inner-to-outer connector fixed to the piston body and projecting outwardly through the slit, an external moving body positioned outside the cylinder body and fixed to the inner-to-outer connector, and a supply and exhaust mechanism, formed between the rolling diaphragm, the cylinder body and the piston body, the supply and exhaust mechanism supplying and exhausting a pressure fluid to and from a pressure chamber.
    • 发明内容本发明的目的在于实现一种结构简单的无杆气缸装置,其能够长时间地容易地确保密封性能并且能够在没有摩擦阻力的情况下在低压下运行。 本发明的另一个目的是实现一种无杆缸体装置,其中外筒体的冲程能够使筒体长度长。 本发明提供一种无杆缸装置,其包括与滚动膜片的中心顶部一体化的活塞体,将该滚动膜片的周向环状固定部固定并将活塞体自由地嵌合的筒体 可移动的,形成在筒体中以沿轴向延伸并且沿轴向延伸的狭缝,固定到活塞体并且通过狭缝向外突出的内部 - 外部连接器,位于缸体外部的外部移动体, 固定到内外连接器,以及形成在滚动隔膜,缸体和活塞体之间的供排气机构,供排气机构向压力室供给和排出压力流体。