(19)

(11)

EP 0 173 680 A1

(12)

(43) Date of publication: 12.03.1986 Bulletin 1986/11 (21) Application number: 84901106.0 (22) Date of filing: 08.03.1984

(51) International Patent Classification (IPC):  E04H 12/ 28( . ) F23L 17/ 02( . ) F23J 13/ 02( . ) F23L 17/ 14( . ) (86) International application number: PCT/NL1984/000010 (87) International publication number: WO 1985/003993 (12.09.1985 Gazette 1985/20)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (71) Applicant: BAKVIS BEHEER B.V. NL-3155 ZG Maasland (NL)	(72) Inventor: BAKVIS, Hendrikus, Antonius NL-2611 EG Delft (NL)