(19)

(11)

EP 0 966 578 A1

(12)

(43) Date of publication: 29.12.1999 Bulletin 1999/52 (21) Application number: 97904821.0 (22) Date of filing: 07.01.1997

(51) International Patent Classification (IPC):  E04B 1/ 94( . ) (86) International application number: PCT/US1997/000890 (87) International publication number: WO 1998/030764 (16.07.1998 Gazette 1998/28)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (71) Applicant: Thermal Structures, Inc. Corona, CA 91720 (US)	(72) Inventors: BARNES, Vaughn Corona, CA 91720 (US) HELLER, Paul Corona, CA 91720 (US) (74) Representative: Viering, Jentschura & Partner  Postfach 22 14 43 80504 München 80504 München (DE)