专利名称：BACKING TYPE EXTRUDING PRESS 申请号：JP8595177
造价工程师报考条件申请日：19770718
公开号：JPS5525934B2
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19800709八年级上册英语单词
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摘要：Rever extrusion press using a stationary ram, and an extruder barrel fitted between the ram and a moving traver (a) driven by a main work cylinder. One end of the barrel is clod by a die mounted on the ram, whereas the other end of the barrel is clod by a plug mounted on a glide block which can be moved at 90 degrees to the press axis on traver (a). A piercing mandrel is located on a rod carried by a holder mounted on an auxiliary traver (b), driven by a piston fitted coaxially in the main work cylinder; and the holder and the glide block can be driven simultaneously, becau the glide block is mounted on traver (a) which has an axial hole for the driven mandrel rod. The pref. extrusion press includes a support employed to assist loading a blank into the barrel. The invention simplifies and increas tube prodn. as compared with an earlier patent FR 2098696.f开头的英文名
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