EP 1364724 B1 20111102 - Method of making a hole in a tube by fluo-drilling
Title (en)
Method of making a hole in a tube by fluo-drilling
Title (de)
Verfahren zum Bilden eines Loches in einem Rohr durch Fliessbohren
Title (fr)
Procédé de réalisation de trou sur un tube par fluoperçage
Publication
Application
Priority
FR 0206232 A 20020522
Abstract (en)
[origin: EP1364724A1] Prior to creep drilling a flat end or recess (2) is made in the tube (1) to form a small plane surface (3) edged by sloping walls (4). Before drilling a washer is placed in the recess. By means of friction and the high temperature due to the creep drilling the washer is welded to the tube and a part of its material serves to develop by creep the bushing and the flange.
IPC 8 full level
B21C 37/29 (2006.01)
CPC (source: EP)
B21C 37/298 (2013.01); B21J 5/066 (2013.01)
Designated contracting state (EPC)
DE ES GB IT
DOCDB simple family (publication)
EP 1364724 A1 20031126; EP 1364724 B1 20111102; ES 2371222 T3 20111228; FR 2839908 A1 20031128; FR 2839908 B1 20041112
DOCDB simple family (application)
EP 03291211 A 20030522; ES 03291211 T 20030522; FR 0206232 A 20020522