EP 0069027 A3 19830216 - DEVICE FOR FIXING A PEAR-SHAPED PIERCING OR EXPANDING MANDREL TO A REACTION BAR
Title (en)
DEVICE FOR FIXING A PEAR-SHAPED PIERCING OR EXPANDING MANDREL TO A REACTION BAR
Publication
Application
Priority
US 26817581 A 19810529
Abstract (en)
[origin: US4483638A] The invention relate to fixing a plug in the end of a bar, the assembly being used for production of cylindrical hollow blanks which will be later rolled. The device comprises a plug including at its rear end a shank which can be introduced into an axial socket provided at one end of the bar. A locking means can be introduced transversely through a hole in the wall of the bar and engage its end within a groove realized around the shank. A retaining means holds the locking means in position. The device is used for rapid mounting and dismantling the plug and bar assembly.
IPC 1-7
IPC 8 full level
F16B 21/16 (2006.01); B21B 25/06 (2006.01)
CPC (source: EP US)
B21B 25/06 (2013.01 - EP US); Y10T 403/598 (2015.01 - EP US); Y10T 403/604 (2015.01 - EP US)
Citation (search report)
- [A] FR 2266557 A1 19751031 - VALTI FABR TUBES ROULEMENTS [FR]
- [A] FR 2374100 A1 19780713 - MANNESMANN AG [DE]
- [A] GB 649940 A 19510207 - BROWN DAVID & SONS LTD, et al
- [A] FR 2056289 A5 19710514 - PORSCHE KG
- [A] US 1645457 A 19271011 - SCHALL MYRON R
Designated contracting state (EPC)
AT DE GB IT SE
DOCDB simple family (publication)
EP 0069027 A2 19830105; EP 0069027 A3 19830216; EP 0069027 B1 19851009; AT E15980 T1 19851015; CA 1195953 A 19851029; DE 3266775 D1 19851114; JP S57199508 A 19821207; JP S61190301 U 19861127; US 4483638 A 19841120
DOCDB simple family (application)
EP 82420066 A 19820526; AT 82420066 T 19820526; CA 404025 A 19820528; DE 3266775 T 19820526; JP 19359381 A 19811201; JP 5595886 U 19860414; US 26817581 A 19810529