EP 0978332 A1 2000-02-09 - Multi-cylinder metal-extrusion press
Title (en)
Multi-cylinder metal-extrusion press
Title (de)
Mehrzylinder-Metallstrangpresse
Title (fr)
Presse d'extrusion de métaux à plusieurs cylindres
Publication
Application
Priority
- EP 98114856 A
- DE 19835717 A
- US 40158299 A
Abstract (en)
Multicylinder metal rod press comprises a fixed cylinder string piece (1) formed as support of the pressing tool (11). The pressing pistons (31) arranged in the pressing cylinders (32) of the string piece (1) on the side opposite the acting surface are connected to filling bodies (40) spanning the free cylinder space (32R, 62R) up to one of the acting surfaces of the pressing pistons and the cylinder ends (36). The filling bodies (40) are bound between the pressing pistons and the cylinder ends.
IPC 1-7 (main, further and additional classification)
IPC 8 full level (invention and additional information)
B21C 23/21 (2006.01)
CPC (invention and additional information)
B21C 23/21 (2013.01); B21C 23/211 (2013.01)
Citation (search report)
- [DA] EP 0822017 A1 19980204 - SMS SCHLOEMANN GMBH [DE]
- [A] US 3786725 A 19740122 - AOKI K
- [A] US 3818801 A 19740625 - KIME J
- [A] US 3311030 A 19670328 - HALSTEAD FRED E
- [A] US 4944215 A 19900731 - NIMMO FRANK D [US], et al
Designated contracting state (EPC)
DE ES FR GB IT
EPO simple patent family
DE 19835717 A1 20000217; DE 59800379 D1 20010111; EP 0978332 A1 20000209; EP 0978332 B1 20001206; ES 2153228 T3 20010216; US 6082162 A 20000704
INPADOC legal status
2006-11-16 [REG ES FD2A] ANNOUNCEMENT OF LAPSE IN SPAIN
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2002-01-01 [REG GB IF02] EUROPEAN PATENT IN FORCE AS OF 2002-01-01
2001-11-28 [26N] NO OPPOSITION FILED
2001-02-20 [ITF] IT: TRANSLATION FOR A EP PATENT FILED
- Owner name: STUDIO JAUMANN P. & C. S.N.C.
2001-02-16 [REG ES FG2A] DEFINITIVE PROTECTION
- Document: ES 2153228 T3
2001-01-19 [ET] FR: TRANSLATION FILED
2001-01-11 [REF] CORRESPONDS TO:
- Document: DE 59800379 20010111
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- Effective date: 20001206
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