(19)
(11)
EP 0 597 982 A1
(12)
(43)
Date of publication:
25.05.1994
Bulletin 1994/21
(21)
Application number:
92917038.0
(22)
Date of filing:
22.07.1992
(51)
International Patent Classification (IPC):
B32B
5/
18
( . )
E04C
2/
288
( . )
B32B
5/
24
( . )
(86)
International application number:
PCT/US1992/005978
(87)
International publication number:
WO 1993/001931
(
04.02.1993
Gazette 1993/04)
(84)
Designated Contracting States:
AT BE CH DE DK ES FR GB GR IT LI LU MC NL SE
(30)
Priority:
22.07.1991
US 19910733631
(71)
Applicant:
DIVERSITECH CORPORATION
Conyer, GA 30207 (US)
(72)
Inventor:
SWEENEY, Jeff, S.
Atlanta, GA 30319 (US)
(74)
Representative:
Carpenter, David
MARKS & CLERK, Alpha Tower, Suffolk Street Queensway
Birmingham B1 1TT
Birmingham B1 1TT (GB)
(54)
COMPOSITE STRUCTURE WITH FOAM PLASTIC CORE AND METHOD OF MAKING SAME