公开(公告)号：EP1738613A4

公开(公告)日：2013-06-05

申请号：EP05722619

申请日：2005-02-01

申请人： GRAFTECH INT HOLDINGS INC

发明人： SMITH ROBERT E

IPC分类号： H05B7/06 ,  H05B7/085 ,  H05B7/14

CPC分类号： H05B7/14 ,  H05B7/085 ,  Y02P10/256 ,  Y02P10/259

公开(公告)号：EP1813134A4

公开(公告)日：2008-02-13

申请号：EP05722625

申请日：2005-02-01

申请人： GRAFTECH INT HOLDINGS INC

发明人： SMITH ROBERT E ,  BATTY LIONEL BURTON D ,  COLEMAN PHILIP A

IPC分类号： H05B7/14 ,  H05B7/06 ,  H05B7/085

CPC分类号： H05B7/085 ,  H05B7/14 ,  Y02P10/256 ,  Y02P10/259

摘要： A pin (20) for use in connecting graphite electrodes into a joint (10), where the pin has at least one male tang having a tang factor, defined as the ratio of male tang length to diameter of the electrode into which hit is to be threaded, of at least about 0.60.