EP 0519525 A3 19930811 - METHOD OF ROTARY FORMING
Title (en)
METHOD OF ROTARY FORMING
Publication
Application
Priority
EP 88302371 A 19880318
Abstract (en)
[origin: EP0519525A2] A rotary cutting and forming apparatus for strip material 12 , having rotatable upper and lower roll units 32,34, the units being connected for synchronous rotation, each of the units having a carrier member 41,52 with at least one recess 42,54 extending parallel to its central axis, and at least one die support block 46,58, the block being rotatably received within the recess 42, and having two ends, and a surface 46b to which a die may be affixed, leading and trailing control pins 48,62 and 49,63 on the block, extending on parallel spaced apart axes, and leading and trailing cam surfaces 64,70 and 66,72 engaging respective leading and trailing control pins 48,62 and 49,63 to control the position of the blocks during at least part of their rotation. <IMAGE>
IPC 1-7
IPC 8 full level
B21D 28/36 (2006.01); B26D 1/62 (2006.01); B26F 1/10 (2006.01)
CPC (source: EP)
B21D 28/36 (2013.01); B26F 1/10 (2013.01)
Citation (search report)
- [AD] US 1581236 A 19260420 - SPEER ALEXANDER S
- [A] US 3850780 A 19741126 - CRAWFORD D, et al
- [AD] US 3066542 A 19621204 - EINHIPLE JOHN A
- [A] US 3239912 A 19660315 - BAUMGARTNER JOHN R, et al
- [A] US 1931468 A 19331017 - BERGHOLTZ CARL A
- [A] US 3673834 A 19720704 - BRUNNER HANS A, et al
Designated contracting state (EPC)
AT BE CH DE ES FR GB IT LI NL SE
DOCDB simple family (publication)
EP 0519525 A2 19921223; EP 0519525 A3 19930811; EP 0519525 B1 19960522; AT E138297 T1 19960615; AT E89202 T1 19930515; DE 3855312 D1 19960627; DE 3855312 T2 19970123; DE 3881026 D1 19930617; DE 3881026 T2 19931021; ES 2041308 T3 19931116; ES 2091375 T3 19961101; HK 1004744 A1 19981204
DOCDB simple family (application)
EP 92115627 A 19880318; AT 88302371 T 19880318; AT 92115627 T 19880318; DE 3855312 T 19880318; DE 3881026 T 19880318; ES 88302371 T 19880318; ES 92115627 T 19880318; HK 98103886 A 19980506