EP 0188086 A3 19870408 - MANUFACTURE OF TUBULAR COMPONENTS
Title (en)
MANUFACTURE OF TUBULAR COMPONENTS
Publication
Application
Priority
GB 8500785 A 19850112
Abstract (en)
[origin: EP0188086A2] A method and apparatus for push-pointing a tube so as to produce a smaller diameter end portion includes means for sizing and finishing the reduced diameter portion utilizing a headed mandrel located in the tube and withdrawn through the reduced diameter portion whilst the latter is engaged in the push-pointing die. Figure 5 shows the push-pointing step completed, and the mandrel engaged with the die ready to begin the internal sizing operation.
IPC 1-7
IPC 8 full level
B21C 5/00 (2006.01); B21D 41/04 (2006.01); B21K 21/12 (2006.01)
CPC (source: EP)
B21C 5/00 (2013.01); B21C 5/003 (2013.01); B21D 41/04 (2013.01); B21K 21/12 (2013.01)
Citation (search report)
- [X] GB 2068857 A 19810819 - MANNESMANN AG
- [A] EP 0106751 A1 19840425 - PENCE YVES [FR], et al
- [A] FR 2473916 A1 19810724 - TUBES CIE INDLE CALE [FR]
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0188086 A2 19860723; EP 0188086 A3 19870408; GB 8500785 D0 19850213; IN 165807 B 19900113
DOCDB simple family (application)
EP 85308921 A 19851209; GB 8500785 A 19850112; IN 1058DE1985 A 19851213