(19)

(11)

EP 0 375 735 A1

(12)

(43) Date of publication: 04.07.1990 Bulletin 1990/27 (21) Application number: 88908451.0 (22) Date of filing: 07.07.1988

(51) International Patent Classification (IPC):  B05C 3/ 18( . ) B05C 11/ 02( . ) B05C 5/ 02( . ) G05D 5/ 03( . ) (86) International application number: PCT/US1988/002287 (87) International publication number: WO 1989/000462 (26.01.1989 Gazette 1989/03)

(84) Designated Contracting States: BE CH DE FR GB IT LI NL (30) Priority: 09.07.1987 US 19870071415 (71) Applicant: BOLTON-EMERSON, INC. Lawrence, MA 01842 (US)	(72) Inventors: FITZGERALD, John, W. Boxford, Ma 01921 (US) CAMPBELL, Donald, T. North Andover, MA 01845 (US) (74) Representative: Attfield, Donald James, et al  BROOKES, MARTIN & WILSON Prudential Buildings 5 St. Philip's Place Birmingham B3 2AF Birmingham B3 2AF (GB)