(19)

(11)

EP 0 020 634 A1

(12)

(43) Date of publication: 07.01.1981 Bulletin 1981/01 (21) Application number: 79901633.0 (22) Date of filing: 29.10.1979

(51) International Patent Classification (IPC):  B32B 27/ 08( . ) B32B 27/ 36( . ) (86) International application number: PCT/US1979/000916 (87) International publication number: WO 1980/000943 (15.05.1980 Gazette 1980/11)

(84) Designated Contracting States: DE FR GB NL (30) Priority: 13.11.1978 US 19780959589 (71) Applicant: GENERAL ELECTRIC COMPANY Schenectady New York 12305 (US)	(72) Inventor: MOLARI, Jr., Richard Edgar Pittsfield, MA 01301 (US) (74) Representative: Schüler, Horst, Dr., et al  Patentanwalt, Kaiserstrasse 69 D-60329 Frankfurt D-60329 Frankfurt (DE)