公开(公告)号：US5392628A

公开(公告)日：1995-02-28

申请号：US989782

申请日：1992-12-10

申请人： Giancarlo Cristiani

发明人： Giancarlo Cristiani

IPC分类号： B21C23/21 ,  B21C26/00 ,  B21C27/04 ,  B23Q11/08 ,  B21C23/00

CPC分类号： B21C27/04 ,  B23Q11/0841

摘要： An extrusion press has a sealing and suction device (30; 230; 330) mounted around a plunger (18; 118) with the possibility of sliding axially along the same; the device creates an airtight seal against a back face (25) of a container (20) for a billet (B) when the plunger is working within an inner chamber (24) of the container. A vacuum is created inside the chamber as soon as the plunger enters the chamber before extrusion of the billet begins.

摘要翻译： 挤压机具有围绕柱塞（18; 118）安装的密封和抽吸装置（30; 230; 330），其具有沿着其的轴向滑动的可能性; 当柱塞在容器的内室（24）内工作时，该装置对于坯料（B）的容器（20）的背面（25）形成气密密封。 一旦柱塞开始挤出之前柱塞进入室内，室内就会产生真空。

公开(公告)号：US5082250A

公开(公告)日：1992-01-21

申请号：US548831

申请日：1990-07-06

申请人： Giancarlo Cristiani ,  Danilo D'Odorico

发明人： Giancarlo Cristiani ,  Danilo D'Odorico

IPC分类号： B21C29/00 ,  B21C33/00

CPC分类号： B21C29/00 ,  B21C33/00

摘要： Device to heat the leading end of aluminium ingots to be extruded when hot in extruder presses, with chambers containing the ingots arranged turret-wise with their axes parellel, the device being arranged in cooperation with the frontal end part of a chamber (12) which will cooperate with the extruder die, and in correspondence with the position for loading and readying an ingot (13), this position being located immediately upstream of the extrusion position.Method to heat the leading end (14) of a hot aluminium ingot (13) held in a chamber (12) located in a position to load and position an ingot immediately upstream of the extrusion position in a turret-type extrusion press, the leading end (14) being extracted from the chamber (12) and caused to protrude therefrom (12) and being then heated by induction and re-inserted thereafter in the chamber (12) immediately before the chamber (12) is placed in its extrusion position and the ingot (13) is extruded.

公开(公告)号：US5335528A

公开(公告)日：1994-08-09

申请号：US970492

申请日：1992-10-22

申请人： Giancarlo Cristiani

发明人： Giancarlo Cristiani

IPC分类号： B21C23/21 ,  B21C33/00

CPC分类号： B21C33/00 ,  B21C23/214

摘要： A billet fed extrusion press comprises a rotating arm (46) on a movable cross member (28). The arm carries a plunger (48) and a billet loader (50) spaced from each other, and can be rotated between a condition in which it brings the plunger into a working position in alignment on extrusion axis (a) of the press and the loader (50) into a billet receiving position on one side of the press, and a condition in which it brings the loader into a billet loading position along the axis (a) of the press and the pusher into a rest position on the said one side of the press.

摘要翻译： 坯料挤压机包括在可移动横梁（28）上的旋转臂（46）。 该臂装有彼此间隔开的柱塞（48）和坯料装载机（50），并且可以在其将柱塞带入按压机的挤出轴线（a）的工作位置的状态之间旋转，并且 装载机（50）进入压机一侧的坯料容纳位置，以及将装载机沿着压机和推动器的轴线（a）装入坯料装载位置的状态，在所述一个 一边的新闻界。