EP 1022068 A1 20000726 - PIERCING MILL
Title (en)
PIERCING MILL
Title (de)
LOCHWALZWERK
Title (fr)
LAMINOIR PERCEUR
Publication
Application
Priority
- JP 9804630 W 19981014
- JP 28002097 A 19971014
Abstract (en)
A piercing mill, which can manufacture thin-wall tubes, can secure a sufficient support rigidity of disk roller, and can improve the ease of work for adjusting the position of the disk rollers. The piercing mill compresses a mill housing, a pair of disk frames 6 which can be opened sideward in a pivoting manner with reference to a pass line, and a pair of sliding frames 8 which are vertically arranged within each of the disk frames so as to be slidable. A skew angle of the disk roller 4 is set by sliding the sliding frames in opposite directions. The piercing mill improve the ease of work for positional adjustment required when the disk rollers are exchanged. In addition, since the skew angle of the disk roller can be set easily and reliably, the range of thin-wall tube rolling can be expanded. <IMAGE>
IPC 1-7
IPC 8 full level
B21B 19/04 (2006.01); B21B 31/08 (2006.01)
CPC (source: EP)
B21B 19/04 (2013.01); B21B 31/08 (2013.01)
Designated contracting state (EPC)
DE
DOCDB simple family (publication)
WO 9919093 A1 19990422; EP 1022068 A1 20000726; EP 1022068 A4 20020116; JP 3239896 B2 20011217
DOCDB simple family (application)
JP 9804630 W 19981014; EP 98947859 A 19981014; JP 2000515711 A 19981014