(19)

(11)

EP 0 113 755 A1

(12)

(43) Date of publication: 25.07.1984 Bulletin 1984/30 (21) Application number: 83902329.0 (22) Date of filing: 31.05.1983

(51) International Patent Classification (IPC):  B60P 7/ 12( . ) (86) International application number: PCT/US1983/000838 (87) International publication number: WO 1984/000528 (16.02.1984 Gazette 1984/05)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 21.07.1982 US 19820400425 (71) Applicant: N P MARKETING CORPORATION Neenah WI 54956 (US)	(72) Inventors: Van GOMPEL, James Fremont, IN 46737 (US) HALL, Jerry, A. Ontario KOM 1AO (CA) (74) Representative: Jones, Michael Raymond, et al  HASELTINE LAKE & CO. Hazlitt House 28 Southampton Buildings Chancery Lane London WC2A 1AT London WC2A 1AT (GB)