EP 2217868 A1 20100818 - GEOTHERMAL PROBE MADE OF CROSS-LINKED POLYMER MATERIAL

Title (en)

GEOTHERMAL PROBE MADE OF CROSS-LINKED POLYMER MATERIAL

Title (de)

ERDWÄRMESONDE AUS VERNETZTEM POLYMERMATERIAL

Title (fr)

SONDE GÉOTHERMIQUE EN MATÉRIAU POLYMÈRE RÉTICULÉ

Publication

EP 2217868 A1 20100818 (DE)

Application

EP 08858664 A 20081209

Priority

EP 2008010434 W 20081209
DE 202007017371 U 20071211

Abstract (en)

[origin: WO2009074287A1] Disclosed is a geothermal probe (1) comprising at least two polymer tubes (2.1, 2.2) that run parallel in at least some sections and a monolithic or multipart molded piece (3) which is made of similar material and is located at an end of at least one tube. According to the invention, said geothermal probe (1) is characterized in that at least the tube that is in contact with the ground is welded and cross-linked to the molded piece.

IPC 8 full level

F24J 3/08 (2006.01)

CPC (source: EP)

B29C 65/02 (2013.01); B29C 66/1142 (2013.01); B29C 66/5223 (2013.01); B29C 66/534 (2013.01); B29C 66/73754 (2013.01); F24T 10/15 (2018.04); F24T 10/17 (2018.04); F28F 21/062 (2013.01); B29C 66/71 (2013.01); B29K 2023/0691 (2013.01); Y02E 10/10 (2013.01)

Citation (search report)

See references of WO 2009074287A1

Citation (examination)

WO 0183613 A2 20011108 - GOLAN PLASTIC PRODUCTS [IL], et al
EP 0869304 A2 19981007 - REHAU AG & CO [DE]
DE 202007008880 U1 20070823 - REHAU AG & CO [DE]
DE 202007006682 U1 20070816 - GERODUR MPM KUNSTSTOFFVERARBEI [DE]
EP 0632223 A1 19950104 - KABELMETAL AG [DE]
DE 10159311 A1 20030306 - HERR WOLFGANG [DE]
DATABASE EPODOC [online] EUROPEAN PATENT OFFICE, THE HAGUE, NL; Database accession no. CN-01247978-U & CN 2586045 Y 20031112 - GAN GUOGONG [CN]

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA MK RS

DOCDB simple family (publication)

DE 202007017371 U1 20090416; EP 2217868 A1 20100818; WO 2009074287 A1 20090618

DOCDB simple family (application)

DE 202007017371 U 20071211; EP 08858664 A 20081209; EP 2008010434 W 20081209