Global Patent Index - EP 0248222 A3

EP 0248222 A3 19880127 - COOLING TUBES, AND PROCESS AND DEVICE FOR THEIR MANUFACTURE

Title (en)

COOLING TUBES, AND PROCESS AND DEVICE FOR THEIR MANUFACTURE

Publication

EP 0248222 A3 19880127 (DE)

Application

EP 87106508 A 19870505

Priority

DE 3615300 A 19860506

Abstract (en)

[origin: EP0248222A2] Extruded or drawn cooling tubes for countercurrent, parallel-flow and/or cross-flow coolers having continuous and half webs associated with the formation of smooth channels between the continuous webs for the passage of a medium, the cross-section of the passage channels being varied by means of the knobs applied from the outside to the cooling tube jacket (2). <IMAGE>

IPC 1-7

F28F 1/10; F28F 1/16; F28F 1/02; B21C 23/10

IPC 8 full level

F28F 1/40 (2006.01); B21D 53/06 (2006.01); F28F 1/02 (2006.01); F28F 1/42 (2006.01); F28F 3/04 (2006.01)

CPC (source: EP)

F28F 1/022 (2013.01); F28F 3/044 (2013.01); F28F 3/048 (2013.01); F28D 2021/0049 (2013.01); F28D 2021/0082 (2013.01); F28F 2255/16 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE FR GB IT SE

DOCDB simple family (publication)

EP 0248222 A2 19871209; EP 0248222 A3 19880127; DE 3615300 A1 19871112; DE 3615300 C2 19891221; JP S62272096 A 19871126

DOCDB simple family (application)

EP 87106508 A 19870505; DE 3615300 A 19860506; JP 10906787 A 19870506