Global Patent Index - EP 1179722 A4

EP 1179722 A4 2002-09-04 - PIPE AND HEAT EXCHANGER

Title (en)

PIPE AND HEAT EXCHANGER

Title (de)

ROHR UND WÄRMETAUSCHER

Title (fr)

TUYAU ET SYSTEME DE TRANSFERT THERMIQUE

Publication

EP 1179722 A4 (EN)

Application

EP 00917332 A

Priority

  • JP 0002504 W
  • JP 11323099 A

Abstract (en)

[origin: EP1179722A1] A cylindrical pipe which is excellent in heat transfer characteristic and has no accumulation of liquid, wherein a flat-shaped portion (2) along the pipe axis (L) is formed inside the cylindrical pipe (1) formed in corrugated shape. <IMAGE>

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

F28F 1/08

IPC 8 full level (invention and additional information)

F28D 7/02 (2006.01); F28D 7/10 (2006.01); F28D 7/16 (2006.01); F28F 1/08 (2006.01); F28F 1/42 (2006.01)

CPC (invention and additional information)

F28D 7/106 (2013.01); F28D 7/026 (2013.01); F28D 7/1607 (2013.01); F28F 1/08 (2013.01); F28F 2265/16 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 1179722 A1 20020213; EP 1179722 A4 20020904; AU 3838700 A 20001110; AU 768895 B2 20040108; JP 2000304483 A 20001102; JP 3326405 B2 20020924; KR 100454469 B1 20041028; KR 20010113807 A 20011228; WO 0065290 A1 20001102

INPADOC legal status


2012-03-07 [18D] APPLICATION DEEMED TO BE WITHDRAWN

- Effective date: 20110913

2004-01-02 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20031112

2002-09-04 [A4] DESPATCH OF SUPPLEMENTARY SEARCH REPORT

- Effective date: 20020723

2002-09-04 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A4

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2002-02-13 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20011120

2002-02-13 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE