(19)

(11)

EP 0 188 556 A1

(12)

(43) Date of publication: 30.07.1986 Bulletin 1986/31 (21) Application number: 85903635.0 (22) Date of filing: 12.07.1985

(51) International Patent Classification (IPC):  F28G 3/ 00( . ) F28G 7/ 00( . ) F28G 3/ 16( . ) (86) International application number: PCT/US1985/001343 (87) International publication number: WO 1986/000696 (30.01.1986 Gazette 1986/03)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 16.07.1984 US 19840631097 (71) Applicant: DECK, Brent, D. Framingham, MA 01701 (US)	(72) Inventor: DECK, Brent, D. Framingham, MA 01701 (US)