EP 2390462 B1 20170726 - Method and accessories for installing an airflow duct in an underground conduit
Title (en)
Method and accessories for installing an airflow duct in an underground conduit
Title (de)
Verfahren und Zubehör zum Einbau eines Belüftungsschlauches in einem unterirsdischen Schacht
Title (fr)
Procédé et accessoires pour la mise en place d'une gaine d'aération dans un conduit souterrain
Publication
Application
Priority
FR 1002203 A 20100526
Abstract (en)
[origin: EP2390462A1] The method involves releasing a support from a hollow interior space (5) and installing a cartridge (11), in deployment position, in the hollow interior space of a chassis (3) of a distributor (1) to install a tube section on the support in the deployment position. A deployment cone (14) is connected to the chassis. The tube section is connected to a portion of an air duct. An introduction cone is arranged at one of ends of the support, before threading the tube section on the end of the support. An independent claim is also included for a device for installing an air duct, comprising a support cylinder.
IPC 8 full level
E21F 1/04 (2006.01)
CPC (source: EP)
E21F 1/04 (2013.01)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 2390462 A1 20111130; EP 2390462 B1 20170726; ES 2644551 T3 20171129; FR 2960617 A1 20111202; FR 2960617 B1 20120706; NO 2390462 T3 20171223; PL 2390462 T3 20180131
DOCDB simple family (application)
EP 11290237 A 20110523; ES 11290237 T 20110523; FR 1002203 A 20100526; NO 11290237 A 20110523; PL 11290237 T 20110523