Reciprocating actuator
    2.
    发明授权
    Reciprocating actuator 失效
    再生执行器

    公开(公告)号:US5150643A

    公开(公告)日:1992-09-29

    申请号:US602119

    申请日:1990-10-22

    申请人: Seiji Saita

    发明人: Seiji Saita

    摘要: An actuator is driven in a first direction by equal working fluid pressures acting on different piston areas acting in opposite directions, and is driven in a second direction by applying equal pressures on both sides of one of the piston areas. Working fluid from an inlet port, acting in a working fluid chamber, pushes up a valve plate, closes ventilation holes and opens working fluid discharge holes, thereby permitting the working fluid to push the piston upward. Working fluid contained in the working fluid chamber is exhausted from working fluid discharge holes to the outside of the system through a working fluid discharge pipe. When the upward movement of piston reaches its limit, a valve plate is pushed by a spring, thereby causing simultaneous closing of the working fluid discharge holes and the opening of the ventilation holes. As a result of the opened ventilation holes, working fluid pressures in a lower working fluid chamber and an upper working fluid chamber become equal. The working area acting downward is greater than the working area acting upward to generate a net downward force uring the piston downward. The working fluid discharge pipe fluid-tightly fitted through the piston to provide a discharge path of working fluid from the system.

    Tape for tying electric wire
    3.
    发明授权
    Tape for tying electric wire 有权
    胶带用于捆扎电线

    公开(公告)号:US07112367B2

    公开(公告)日:2006-09-26

    申请号:US10344160

    申请日:2002-10-31

    IPC分类号: B32B7/10

    摘要: In consideration of that burning a PVC-based tape causes occurrence of dioxine, a nonhalogenated tape having physical properties and electric properties, which are comparable to a PVC-based tacking tape, and replaceable to the PVC-based tacking tape is desired. Simple replacement of PVC to a polyethylene-based synthetic resin causes a bad hand cutting performance. Hence, the composition of the synthetic resin composition is improved to have 100 weight parts of a polypropylene-based resin, 1 to 70 weight parts of a polyethylene-based resin, 1 to 200 weight parts of an inorganic filler with a range from 0.5 μm to 10 μm of an average grain size, and 0.1 to 50 weight parts of an compatibilizer to form a film. In addition, the film is drawn 1.05 to 3 times in an MD and thickness of the film is kept to 0.03 to 0.5 mm.

    摘要翻译: 考虑到燃烧基于PVC的胶带引起二恶英的发生,需要具有与基于PVC的胶粘带相当的物理性能和电性能的非卤素胶带,并且可替换为基于PVC的粘合胶带。 简单地将PVC替换为聚乙烯基合成树脂会导致手动切割性能差。 因此,合成树脂组合物的组成改善为具有100重量份的聚丙烯类树脂,1〜70重量份的聚乙烯类树脂,1〜200重量份的无机填料,其范围为0.5μm 至10μm的平均粒径,和0.1〜50重量份的增容剂以形成膜。 此外,将膜拉伸1.05〜3次,将膜的厚度保持在0.03〜0.5mm。

    Pumping device driven by a fluid driven reciprocating actuator
    4.
    发明授权
    Pumping device driven by a fluid driven reciprocating actuator 失效
    由液体驱动的复合驱动器驱动的泵送装置

    公开(公告)号:US5188518A

    公开(公告)日:1993-02-23

    申请号:US794961

    申请日:1991-11-20

    申请人: Seiji Saita

    发明人: Seiji Saita

    摘要: A reciprocating actuator is axially connected to drive a reciprocating pump. An exhaust tube, open to the outside, passes through a piston of the reciprocating actuator and into an inner hole axially disposed in a working rod that connects an actuator piston of the reciprocating actuator to the reciprocating pump. A valve mechanism communicates a chamber above the actuator piston with the inner hole during upward motion of the piston, whereby actuator fluid above the piston is exhausted to the outside through the exhaust tube. The resulting axial exhausting of the actuating fluid permits inserting a large portion of the device into a drum for pumping of liquid. The invention permits use of a two-stage rod system, which is capable of obtaining high pumping pressure. The inner hole is communicated with a space whose volume changes when the working rod makes a vertical movement. Different piston sizes can be used in the reciprocating actuator and the reciprocating pump, whereby higher or lower pump pressure is attainable.