(19)
(11)
EP 0 157 763 A1
(12)
(43)
Date of publication:
16.10.1985
Bulletin 1985/42
(21)
Application number:
83903032.0
(22)
Date of filing:
20.09.1983
(51)
International Patent Classification (IPC):
E04B
1/
76
( . )
(86)
International application number:
PCT/US1983/001301
(87)
International publication number:
WO 1985/001308
(
28.03.1985
Gazette 1985/08)
(84)
Designated Contracting States:
AT BE CH DE FR GB LI LU NL SE
(71)
Applicant:
BERGAMINI, John Van Wie
Iowa City, IA 52240 (US)
(72)
Inventor:
BERGAMINI, John Van Wie
Iowa City, IA 52240 (US)
(54)
ROLL-OUT LAYERED EXPANSIBLE MEMBRANES (ROLEM)