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1. 发明公开

EP1048433A3 Kneading degree adjusting device for twin screw extruder 有权
标题翻译： Vorrichtung zum Einstellen des Knetgrades eines Zweischneckenextruders
公开(公告)号：EP1048433A3
公开(公告)日：2001-01-31
申请号：EP00108993.7
申请日：2000-04-27
申请人： THE JAPAN STEEL WORKS, LTD.
发明人： Watada, Satoru, c/o The Japan Steel Works, Ltd. , Naitou, Katuyuki, c/o The Japan Steel Works, Ltd.
IPC分类号： B29C47/58 , B29C47/38 , B29C47/40 , B29B7/42 , B29B7/48 , B29C47/76
CPC分类号： B29C47/666 , B29B7/488 , B29C47/0009 , B29C47/0813 , B29C47/0871 , B29C47/404 , B29C47/6062
摘要： A cylinder 2 is formed with an upper guide bore 10a and a lower guide bore lOb at a position corresponding to a gate part B. Gate rods 7 are rotatably inserted through the guide bores 10a, lOb respectively. Each of the gate rods 7 is formed with opening degree changing recesses in a form of an opencut adjacent to each other in an axial direction in order to constitute opening degree variable channels S in combination with opening degree variable channel forming parts 14 of two screws 3. Each of the recesses 11 consists of a first semicircular face 12 and a second semicircular face 13 in such a shape that an upstream side end of the first semicircular face 12 is diagonally cut. By rotating the gate rods 7 in a positive and a reverse directions, the opening degree can be changed between a fully opened state wherein the first semicircular face 12 and the opening degree variable channel forming part 14 are in parallel and a fully closed position wherein the second semicircular face 13 is in abutment against the opening degree variable channel forming part 14.
摘要翻译：气缸2在与门部分B相对应的位置处形成有上导向孔10a和下引导孔10b。闸棒7分别可旋转地插入穿过引导孔10a，10b。每个闸杆7在轴向方向上彼此相邻地形成有开口形式的开口变化凹部，以便构成开度可变通道S与两个螺钉3的开度可变通道形成部件14的组合每个凹部11由第一半圆面12和第二半圆面13构成，使得第一半圆面12的上游侧端部被对角切割。通过使门杆7沿正，反方向旋转，开度可以在第一半圆面12和开度可变通道形成部14平行的完全打开状态和完全关闭位置之间改变，其中，第二半圆面13与开度可变通道形成部14抵接

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