Global Patent Index - EP 1027942 A1

EP 1027942 A1 2000-08-16 - TUBE FOR HEAT EXCHANGER AND METHOD OF MANUFACTURING SAME

Title (en)

TUBE FOR HEAT EXCHANGER AND METHOD OF MANUFACTURING SAME

Title (de)

ROHR FÜR WÄRMETAUSCHER UND VERFAHREN ZUR HERSTELLUNG

Title (fr)

TUBE POUR ECHANGEUR DE CHALEUR ET PROCEDE DE FABRICATION DUDIT TUBE

Publication

EP 1027942 A1 (EN)

Application

EP 98931008 A

Priority

  • JP 9803059 W
  • JP 18421797 A

Abstract (en)

To provide a tube for a heat exchanger, which is formed by folding a metal strip plate (P) into two and brazing joint portions (22), (22) formed at either end of the plate (P) in its breadth direction, and a groove (21a) is formed along a portion-to-be-folded (21') of the plate (P) in a longitudinal direction of the plate (P). Thus, the plate for the tube can be folded accurately and easily. As a result, brazing property is improved. <IMAGE>

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

B21D 53/04

IPC 8 full level (invention and additional information)

F28F 1/02 (2006.01); B21C 37/14 (2006.01); B21C 37/15 (2006.01); B21D 7/00 (2006.01); B21D 53/04 (2006.01); B21D 53/08 (2006.01); F28D 1/03 (2006.01); F28F 1/06 (2006.01); F28F 3/04 (2006.01)

CPC (invention and additional information)

F28F 3/042 (2013.01); B21C 37/14 (2013.01); B21C 37/151 (2013.01); B21D 53/04 (2013.01); B21D 53/085 (2013.01); F28D 1/0391 (2013.01)

Designated contracting state (EPC)

DE FR GB

EPO simple patent family

WO 9902283 A1 19990121; EP 1027942 A1 20000816; EP 1027942 A4 20010516; JP H1130493 A 19990202

INPADOC legal status


2001-08-22 [18W] WITHDRAWN

- Date of withdrawal: 20010622

2001-05-16 [A4] SUPPLEMENTARY SEARCH REPORT

- Effective date: 20010404

2001-05-16 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A4

- Designated State(s): DE FR GB

2001-05-16 [RIC1] CLASSIFICATION (CORRECTION)

- Free text: 7B 21D 53/04 A, 7B 21C 37/15 B, 7B 21C 37/14 B, 7F 28D 1/03 B

2001-04-18 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: ZEXEL VALEO CLIMATE CONTROL CORPORATION

2000-08-16 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000126

2000-08-16 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE FR GB