(19)

(11)

EP 0 214 157 A1

(12)

(43) Date of publication: 18.03.1987 Bulletin 1987/12 (21) Application number: 86900914.0 (22) Date of filing: 13.01.1986

(51) International Patent Classification (IPC):  A01M 23/ 26( . ) (86) International application number: PCT/US1986/000050 (87) International publication number: WO 1986/004781 (28.08.1986 Gazette 1986/19)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 25.02.1985 US 19850704929 (71) Applicant: WOODSTREAM CORPORATION Lititz, PA 17543 (US)	(72) Inventor: VOLLMAR, Paul, P. Lancaster, PA 17601 (US)