EP 0602951 A1 19940622 - Method of shaping a wheel.
Title (en)
Method of shaping a wheel.
Title (de)
Verfahren zum Formen eines Rades.
Title (fr)
Méthode de formage d'une roue.
Publication
Application
Priority
- JP 33916492 A 19921218
- JP 34199592 A 19921222
- JP 34878892 A 19921228
Abstract (en)
In the present application a pair of rams (301,302) press and squash the initial material (10) for shaping a central disc part. Extra material is extruded out of the interface of the rams. A roller unit (41,42) having several rollers forms rim parts by pressing the extruded material by the rollers from the sides. <IMAGE>
IPC 1-7
IPC 8 full level
B21D 53/30 (2006.01); B21H 1/04 (2006.01); B21H 1/10 (2006.01); B21K 1/28 (2006.01)
CPC (source: EP KR)
B21H 1/04 (2013.01 - EP KR); B21H 1/10 (2013.01 - EP); B21K 1/28 (2013.01 - EP KR)
Citation (search report)
- [X] FR 1550081 A 19681220
- [X] GB 191116794 A 19120718 - MIDLAND RAILWAY CARRIAGE AND W, et al
- [A] FR 2361174 A1 19780310 - HOESCH WERKE AG [DE]
- [A] GB 2055065 A 19810225 - PERCIVAL BARKER K
- [A] FR 2677279 A1 19921211 - AUBECQ AUXI SA [FR]
- [A] US 3672021 A 19720627 - SCHULTE FRIEDRICH WILHELM [DE], et al
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0602951 A1 19940622; CN 1091681 A 19940907; KR 0127877 B1 19980416; KR 940013662 A 19940715; TW 235936 B 19941211
DOCDB simple family (application)
EP 93310126 A 19931215; CN 93112889 A 19931217; KR 930027836 A 19931215; TW 82110423 A 19931209