公开(公告)号：EP2729391B1

公开(公告)日：2018-12-05

申请号：EP12806959.8

申请日：2012-07-05

申请人： Advanced Spiral Technology Pty Limited

发明人： BLOXHAM, Gregory John

IPC分类号： B65G33/26 ,  B21D11/14

CPC分类号： B21D11/14 ,  B21D11/06 ,  B21D11/07

摘要： This invention relates to an apparatus for forming a helical screw flight from a flight blank. The apparatus includes a base and an engaging means. The engaging means is movably mounted to the base and is configured to formingly engage the blank so as to form a twist in at least a portion of the flight blank corresponding to a predetermined pitch of the flight.

公开(公告)号：EP2729391A1

公开(公告)日：2014-05-14

申请号：EP12806959.8

申请日：2012-07-05

申请人： Advanced Spiral Technology Pty Limited

发明人： BLOXHAM, Gregory John

IPC分类号： B65G33/00 ,  B27G15/00

CPC分类号： B21D11/14 ,  B21D11/06 ,  B21D11/07

摘要： This invention relates to an apparatus for forming a helical screw flight from a flight blank. The apparatus includes a base and an engaging means. The engaging means is movably mounted to the base and is configured to formingly engage the blank so as to form a twist in at least a portion of the flight blank corresponding to a predetermined pitch of the flight.