EP 0202971 B1 19890208 - IMPERVIOUS BITUMINOUS SHEET AND ITS USE AS AN IMPERVIOUS COATING
Title (en)
IMPERVIOUS BITUMINOUS SHEET AND ITS USE AS AN IMPERVIOUS COATING
Publication
Application
Priority
FR 8506346 A 19850425
Abstract (en)
[origin: EP0202971A1] 1. A bituminous sealing sheet for making waterproof revetments with an upper asphaltic layer capable of being used under hot asphalt without the occurrence of any migration of its constituents within this latter and comprising a bituminous composition, characterised in that it meets at least two of the following criteria : a) the bituminous composition has a drop point higher than 120 degrees C ; b) the bituminous composition has a density higher than 1.35 ; c) provision is made for a screen slightly permeable to the bitumen on the face of the sheet intended to be oriented towards the upper layer of the revetment.
IPC 1-7
IPC 8 full level
CPC (source: EP)
Designated contracting state (EPC)
BE CH DE GB LI LU NL SE
DOCDB simple family (publication)
EP 0202971 A1 19861126; EP 0202971 B1 19890208; DE 3662062 D1 19890316; DK 160515 B 19910318; DK 160515 C 19910826; DK 187086 A 19861026; DK 187086 D0 19860423; FR 2580990 A1 19861031; FR 2580990 B1 19870717; NO 166092 B 19910218; NO 166092 C 19910529; NO 861642 L 19861027
DOCDB simple family (application)
EP 86400786 A 19860411; DE 3662062 T 19860411; DK 187086 A 19860423; FR 8506346 A 19850425; NO 861642 A 19860425