EP 2756168 A1 20140723 - TUBBING WITH THERMOPLASTIC MEMBRANE
Title (en)
TUBBING WITH THERMOPLASTIC MEMBRANE
Title (de)
TÜBBING MIT THERMOPLASTISCHER SCHOTTSCHICHT
Title (fr)
CUVELAGE DOTÉ D'UNE COUCHE DE SÉPARATION ÉTANCHE THERMOPLASTIQUE
Publication
Application
Priority
- EP 11180966 A 20110912
- EP 2012067725 W 20120911
- EP 12756491 A 20120911
Abstract (en)
[origin: EP2568113A1] The tubbing (1) has a convex-curved outer surface (2) and an opposite concave-curved inner surface (3). A thermoplastic layer bulkhead (4) is provided on the convex-curved outer surface and is engaged with a recess provided in the convex-curved outer surface. The outer side surfaces (7) are arranged at the sides of the convex-curved outer surface. A sealing structure is arranged in sealing groove provided in the outer side surfaces. A sealant layer is provided inside the convex-curved outer surface.
IPC 8 full level
E21D 11/08 (2006.01)
CPC (source: EP US)
E21D 11/003 (2013.01 - US); E21D 11/08 (2013.01 - EP US); E21D 11/385 (2013.01 - US)
Citation (search report)
See references of WO 2013037766A1
Citation (examination)
- WO 2011097201 A2 20110811 - CONTECH CONSTRUCTION PRODUCTS INC [US], et al
- US 2008104917 A1 20080508 - WHELAN BRIAN J [US], et al
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 2568113 A1 20130313; BR 112014003991 A2 20170307; CN 103717836 A 20140409; EP 2756168 A1 20140723; IN 189MUN2014 A 20150821; JP 2014529020 A 20141030; RU 2013155987 A 20151020; US 2014193204 A1 20140710; WO 2013037766 A1 20130321
DOCDB simple family (application)
EP 11180966 A 20110912; BR 112014003991 A 20120911; CN 201280036704 A 20120911; EP 12756491 A 20120911; EP 2012067725 W 20120911; IN 189MUN2014 A 20140129; JP 2014529024 A 20120911; RU 2013155987 A 20120911; US 201414206519 A 20140312