Global Patent Index - EP 0988500 A1

EP 0988500 A1 2000-03-29 - SOLVENTLESS FORMING METHOD FOR HEAT EXCHANGER PANELS

Title (en)

SOLVENTLESS FORMING METHOD FOR HEAT EXCHANGER PANELS

Title (de)

LÖSUNGSMITTELFREIES HERSTELLUNGSVERFAHREN VON PLATTENWÄRMETAUSCHERN

Title (fr)

PROCEDE DE FORMAGE SANS SOLVANT POUR PANNEAUX D'ECHANGEUR THERMIQUE

Publication

EP 0988500 A1 (EN)

Application

EP 98928030 A

Priority

  • CA 9800569 W
  • US 4884297 P
  • US 8988898 A

Abstract (en)

[origin: WO9855815A1] A method for forming thermoplastic heat exchanger panels without using solvents, wherein a co-extruded film is used to provide a layer of toughened, heat-sealable nylon on a layer of regular nylon, and using such panels in a gas-assisted press bonding process to form the heat exchanger panels.

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

F28F 21/06; B29C 49/00; B29C 51/00; B29C 69/00

IPC 8 full level (invention and additional information)

B29C 49/00 (2006.01); B29C 49/02 (2006.01); B29C 51/02 (2006.01); B29C 69/00 (2006.01); B32B 27/34 (2006.01); C08G 81/00 (2006.01); C08L 77/00 (2006.01); F28F 21/06 (2006.01)

CPC (invention and additional information)

B29C 51/267 (2013.01); B29C 49/0005 (2013.01); B29C 49/0047 (2013.01); B32B 27/34 (2013.01); F28F 3/14 (2013.01); F28F 21/065 (2013.01); B29K 2077/00 (2013.01); B29L 2009/00 (2013.01); B29L 2031/18 (2013.01)

Citation (search report)

See references of WO 9855815A1

Designated contracting state (EPC)

DE FR GB IT NL

EPO simple patent family

WO 9855815 A1 19981210; CA 2294866 A1 19981210; EP 0988500 A1 20000329; JP 2002504870 A 20020212

INPADOC legal status


2001-09-12 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20010310

2000-12-13 [17Q] FIRST EXAMINATION REPORT

- Ref Legal Event Code: 17Q

- Effective date: 20001030

2000-03-29 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 19991118

2000-03-29 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): DE FR GB IT NL