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    • 4. 发明授权
    • Kneading apparatus with rotary shafts having stirring members
    • 具有搅拌构件的旋转轴的捏合装置
    • US08770825B2
    • 2014-07-08
    • US12733980
    • 2008-09-10
    • Yusuke TakemotoKeiichi TakahashiTakahiro Shibuya
    • Yusuke TakemotoKeiichi TakahashiTakahiro Shibuya
    • B01F7/04
    • B01F7/042B01F3/1221B01F7/003B01F7/00425B01F7/022
    • A kneading apparatus has a pair of rotary shafts mounted to undergo rotation in different directions of rotation and at different rotational speeds from one another. Stirring members are helically arranged on outer peripheries of the rotary shafts at predetermined helical and angular pitches for kneading an object during rotation of the rotary shafts. The helical pitch of the stirring members of one of the rotary shafts has an inverse helix from that of the stirring members of the other rotary shaft. The stirring members have surfaces with a first phase configured to move the kneaded object in a feed direction or a second phase symmetrical to the first phase and configured to move the kneaded object in a direction reverse to the feed direction. The stirring members are arranged so that the first and second phases cyclically repeat in a predetermined sequence in axial directions of the rotary shafts.
    • 捏合装置具有一对旋转轴,其安装成在不同的旋转方向和不同的转速下进行旋转。 旋转构件螺旋地布置在旋转轴的外周上,以预定的螺旋和角度间距在旋转轴旋转期间捏合物体。 其中一个旋转轴的搅拌构件的螺旋螺距与另一个旋转轴的搅拌构件的螺旋螺距相反。 搅拌构件具有表面,其具有第一相,其构造成使得捏合物沿进给方向或与第一相对称的第二相移动并且构造成使得捏合物沿与进给方向相反的方向移动。 搅拌构件被布置成使得第一和第二相在旋转轴的轴向方向上以预定顺序循环重复。
    • 10. 发明授权
    • Process for producing thermoplastic multi-walled pipes
    • 生产热塑性多壁管的工艺
    • US4236953A
    • 1980-12-02
    • US962781
    • 1978-11-21
    • Keiichi Takahashi
    • Keiichi Takahashi
    • B29C47/06B29C47/20F16L9/127F16L9/18F16L47/00F16L59/06B29D23/04F16L39/00F16L47/02
    • F16L59/06B29C47/0023B29C47/0028B29C47/005B29C47/0052B29C47/065B29C47/28F16L47/00F16L9/127F16L9/18B29L2031/60
    • Thermoplastic multi-walled pipe which has at least two tubular members different in inside diameter and concentrically arranged, these tubular members being spaced and supported by a plurality of ribs so as to provide hollow portions therebetween. The bond strength between the inner end surface of the rib and the tubular member supported thereby is less than that between the outer end surface of the rib and the tubular member supported thereby, so the exposure of the inner tubular member is easily achieved by means of an external force. After exposing the inner tubular member these multi-walled pipes are conveniently connected together by using a joint composed of a tubular part having the same inside diameter as the inner tubular member of the multi-walled pipe and a flange provided at one end of the tubular part concentrically therewith and having the same outside diameter as the multi-walled pipe, and in addition the hollow portion of the thermoplastic multi-walled pipe is kept sealed by the action of the flange.
    • 热塑性多壁管具有至少两个内径不同的同心配置的管状构件,这些管状构件间隔开并由多个肋支撑,以便在它们之间提供中空部分。 肋的内端面与由其支撑的管状构件之间的结合强度小于肋的外端面与由此支撑的管状构件之间的结合强度,因此容易地通过以下方式实现内管状构件的暴露: 外力。 在内管状部件暴露之后,这些多壁管通过使用由与多壁管的内管状部件相同的内径的管状部件构成的接头和设置在管状部的一端的凸缘而方便地连接在一起 部分与多壁管道具有相同的外径,并且热塑性多壁管的中空部分通过凸缘的作用保持密封。