Global Patent Index - EP 1019665 A1

EP 1019665 A1 2000-07-19 - PLATES OF AN ARRAY OF HEAT TRANSFER PLATES

Title (en)

PLATES OF AN ARRAY OF HEAT TRANSFER PLATES

Title (de)

PLATTEN EINES WÄRMETAUSCHERPLATTENSTAPELS

Title (fr)

PLAQUES D'UN FAISCEAU DE PLAQUES D'ECHANGE THERMIQUE

Publication

EP 1019665 A1 (FR)

Application

EP 98946508 A

Priority

  • FR 9802050 W
  • FR 9712078 A

Abstract (en)

[origin: FR2769082A1] The invention concerns a plate of an array of heat transfer plates (1), comprising a central part provided with undulations (11) and edges with smooth surface, characterised in that it is formed by at least two metal plate portions (12; 13) of different metallurgical compositions, abutted to form at least a joint face (14) and mutually connected by a continuous and sealed weld seam (15) extending over the whole length of said joint face (14). The invention also concerns methods for making this type of plates and an array of heat transfer plates comprising such a plate.

IPC 1-7 (main, further and additional classification)

F28D 9/00

IPC 8 full level (invention and additional information)

F28F 3/00 (2006.01); F28D 9/00 (2006.01); F28F 3/08 (2006.01); F28F 13/14 (2006.01); F28F 21/08 (2006.01)

CPC (invention and additional information)

F28F 21/087 (2013.01); F28D 9/0037 (2013.01); F28D 9/0068 (2013.01); F28F 13/14 (2013.01); F28F 2255/04 (2013.01)

Citation (search report)

See references of WO 9917070A1

Designated contracting state (EPC)

DE FR GB SE

EPO simple patent family

FR 2769082 A1 19990402; FR 2769082 B1 19991224; EP 1019665 A1 20000719; JP 2001518602 A 20011016; WO 9917070 A1 19990408

INPADOC legal status


2002-02-13 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20010802

2001-05-09 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20010322

2000-07-19 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000327

2000-07-19 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE FR GB SE