EP 0669176 B1 19981111 - Process and apparatus for manufacturing of resilient, ball shaped articles
Title (en)
Process and apparatus for manufacturing of resilient, ball shaped articles
Title (de)
Verfahren und Vorrichtung zur Herstellung formbeständiger, kugelförmiger Körper
Title (fr)
Procédé et dispositif pour la fabrication d'articles durs en forme de balles
Publication
Application
Priority
- AT 38994 A 19940225
- AT 239494 A 19941223
Abstract (en)
[origin: EP0669176A2] A length of foil is given perforation-type cuts. These are stretched in width, and then folded, cut to length, and rolled cylindrically. The ends are twisted, and the elements and rolled continuously to form spherical formed bodies. The foil length is stretched to pref. three times its width, and is then folded to double pref. treble layers. The cut cylindrical parts are twice as long as their diameter. The device to carry out the process, consists of a cutter unit (2) with stacked rollers. These have blade-like upper smooth cutter knives (3) and intermediate discs (4), and lower cutting knives (5).
IPC 1-7
IPC 8 full level
B21D 51/08 (2006.01)
CPC (source: EP KR)
B21D 51/08 (2013.01 - EP); B65D 65/40 (2013.01 - KR)
Designated contracting state (EPC)
CH DE ES FR GB GR IT LI SE
DOCDB simple family (publication)
EP 0669176 A2 19950830; EP 0669176 A3 19951004; EP 0669176 B1 19981111; AU 1236895 A 19951109; DE 59504176 D1 19981217; ES 2126799 T3 19990401; GR 3029303 T3 19990528; KR 100351771 B1 20030809; KR 950031807 A 19951220
DOCDB simple family (application)
EP 95102357 A 19950220; AU 1236895 A 19950221; DE 59504176 T 19950220; ES 95102357 T 19950220; GR 990400383 T 19990204; KR 19950004224 A 19950224