(19)

(11)

EP 0 060 255 A1

(12)

(43) Date of publication: 22.09.1982 Bulletin 1982/38 (21) Application number: 81901720.0 (22) Date of filing: 12.09.1980

(51) International Patent Classification (IPC):  B41F 21/ 08( . ) (86) International application number: PCT/US1980/001209 (87) International publication number: WO 1982/000975 (01.04.1982 Gazette 1982/09)

(84) Designated Contracting States: DE (71) Applicant: Dahlgren Manufacturing Company Dallas Texas 75235 (US)	(72) Inventors: DAHLGREN, Harold Phillip Dallas, TX 75204 (US) GARDINER, John William Bedford, TX 76021 (US) LOWDERMILK, Jesse Lee Fort Worth, TX 76117 (US)