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60 条记录 (耗时 0.016 秒)

    Heating apparatus for plastic extruders
    1.
    发明授权
    Heating apparatus for plastic extruders 失效
    塑料挤出机加热装置

    公开(公告)号：US3780200A

    公开(公告)日：1973-12-18

    申请号：US3780200D

    申请日：1971-11-18

    申请人： TESLA NP

    发明人： MAURER K ,  BENDA L

    IPC分类号： H05B3/03 ,  H05B3/60 ,  F27D11/04

    CPC分类号： H05B3/03 ,  H05B3/60

    摘要： A heating unit comprising a chamber in which are located at least two electrodes. The electrodes each comprising a first portion matching and secured to the interior wall of the chamber and a second portion extending radially inward toward the central axis.

    摘要翻译： 一种加热单元，包括其中位于至少两个电极的腔室。 每个电极包括匹配并固定到室的内壁的第一部分和朝向中心轴线径向向内延伸的第二部分。

    Electromagnetic counter with switching means
    2.
    发明授权
    Electromagnetic counter with switching means 失效
    具有开关装置的电磁计数器

    公开(公告)号：US3589600A

    公开(公告)日：1971-06-29

    申请号：US3589600D

    申请日：1970-03-27

    申请人： TESLA NP

    发明人： VAVRINEC BOHUSLAV ,  JAGOS FRANTISEK

    IPC分类号： G06M1/10 ,  G06M3/02 ,  G06F15/18

    CPC分类号： G06M1/104 ,  G06M3/024

    摘要： An electromagnetic counter of repeated operations provided with switching means for performing after a predetermined number of operations a certain action. A ratchet wheel with pawl means, with an oscillating crank arm actuated by an electromagnet is provided which transmits to the ratchet wheel the movement by way of a pawl. A circular plate with a radial slot is connected with the ratchet wheel cooperating with a bolt actuating a switch which for instance disconnects a supply circuit after a predetermined number of operations.