EP 1223400 B1 20070314 - Tube for heat exchanger and process for making same
Title (en)
Tube for heat exchanger and process for making same
Title (de)
Wärmeaustauscherrohr und Verfahren zu dessen Herstellung
Title (fr)
Tube d'échangeur de chaleur et son procédé de fabrication
Publication
Application
Priority
DE 10101589 A 20010116
Abstract (en)
[origin: EP1223400A2] A metallic heat exchanger tube, especially for vaporizing liquids comprising pure materials and mixtures on the outside of the tube, comprises integral ribs (3) on the outside of the pipe, which have a foot (13) that extends radially from the pipe wall (18). Grooves between the ribs have cut-outs in the base. The cut-outs are in the form of cut-back secondary grooves (7).
IPC 8 full level
F28F 1/12 (2006.01); F28F 13/18 (2006.01); B21C 37/20 (2006.01); B21H 7/14 (2006.01); F28F 1/16 (2006.01); F28F 1/26 (2006.01); F28F 1/42 (2006.01); F28F 13/02 (2006.01)
CPC (source: EP US)
B21C 37/207 (2013.01 - EP US); F28F 1/42 (2013.01 - EP US); F28F 1/422 (2013.01 - EP US); F28F 13/182 (2013.01 - EP US); Y10T 29/4935 (2015.01 - EP US); Y10T 29/49385 (2015.01 - EP US)
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
EP 1223400 A2 20020717; EP 1223400 A3 20051130; EP 1223400 B1 20070314; AT E356966 T1 20070415; CN 1313794 C 20070502; CN 1366170 A 20020828; DE 10101589 C1 20020808; DE 50209693 D1 20070426; ES 2283470 T3 20071101; JP 2002277188 A 20020925; JP 3935348 B2 20070620; PT 1223400 E 20070531; US 2002092644 A1 20020718; US 2003024121 A1 20030206; US 6786072 B2 20040907; US 6913073 B2 20050705
DOCDB simple family (application)
EP 02000425 A 20020108; AT 02000425 T 20020108; CN 02101870 A 20020116; DE 10101589 A 20010116; DE 50209693 T 20020108; ES 02000425 T 20020108; JP 2001382978 A 20011217; PT 02000425 T 20020108; US 25448602 A 20020925; US 4248702 A 20020109