(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)