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公开(公告)号：US4280046A
公开(公告)日：1981-07-21
申请号：US98717
申请日：1979-11-30
申请人： Kazumi Shimotori , Isao Izumi , Hideki Murabayashi
发明人： Kazumi Shimotori , Isao Izumi , Hideki Murabayashi
CPC分类号： H05B3/48 , H05B3/18 , Y10T428/12937 , Y10T428/12944
摘要： A sheath heater having a heating wire embedded in a ceramic insulator such that the thermal deformation of the heating wire is substantially prevented, wherein the heating wire is formed of a nichrome-based wire having an Al-rich surface layer so as to permit forming an oxidation-protective alumina layer on the surface of the nichrome-based wire.
摘要翻译： 一种护套加热器，其具有嵌入在陶瓷绝缘体中的加热丝，从而基本上防止了加热丝的热变形，其中，所述加热线由具有富Al表面层的镍铬合金线形成，以便形成 镍铬合金线材表面的氧化保护氧化铝层。
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公开(公告)号：US5896772A
公开(公告)日：1999-04-27
申请号：US26171
申请日：1998-02-19
申请人： Isao Izumi
发明人： Isao Izumi
摘要： An extruder is formed of a container having a container liner for receiving a billet therein, an extrusion stem situated near the container for disposing the billet into the container, and a two-piece seal block installed between the container and the extrusion stem for sealing therebetween. The seal block is formed of two seal block sections for sandwiching the extrusion stem therebetween. Each seal block section includes a base piece having a press member, and a holding block detachably attached to the base piece to be moved by the press member and having a first sealing member facing the extrusion stem and a second sealing member facing the container. A moving device is attached to the seal block sections for moving the seal block sections relative to the extrusion stem. The holding block is urged to the extrusion stem by the moving device, and to the container by the press member to thereby seal between the container and the extrusion stem.
摘要翻译： 挤出机由具有用于容纳坯料的容器衬里的容器形成，位于容器附近的挤出杆，用于将坯料设置在容器中，以及安装在容器和挤出杆之间用于密封它们的两件式密封块 。 密封块由用于将挤出杆夹在其间的两个密封块部分形成。 每个密封块部分包括具有压制构件的基部件和可拆卸地附接到基部件的保持块，该保持块由压制构件移动并具有面向挤压杆的第一密封构件和面向容器的第二密封构件。 移动装置附接到密封块部分，用于相对于挤出杆移动密封块部分。 保持块通过移动装置被推压到挤压杆上，并通过压力构件被推压到容器，从而在容器和挤出杆之间密封。
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