EP 0348823 B1 19931215 - Method and device for manufacturing bags with thermoplastic pull strings.
Title (en)
Method and device for manufacturing bags with thermoplastic pull strings.
Title (de)
Verfahren und Vorrichtung zum Herstellen von Beuteln mit Zugbändern aus thermoplastischer Kunststoffolie.
Title (fr)
Procédé et dispositif pour la fabrication de sacs à fermeture par cordonnets en matière plastique.
Publication
Application
Priority
DE 3821905 A 19880629
Abstract (en)
[origin: EP0348823A2] The invention relates to a method and a device for manufacturing bags with thermoplastic pull strings, which are laid in hems along the edges of the sheet, the hems being welded on and the bags being divided by transverse welding of the side seams, in which double-layered pull strings by folding and severing a sheet strip are used and gripping holes and venting openings are punched into the laid-flat sheet web not yet folded to form hems. <IMAGE>
IPC 1-7
IPC 8 full level
B31B 19/90 (2006.01); B31B 27/00 (2006.01); B31B 70/00 (2017.01); B31B 155/00 (2017.01); B31B 160/10 (2017.01)
CPC (source: EP US)
B31B 70/00 (2017.07 - EP); B31B 70/8135 (2017.07 - EP US); B31B 70/8137 (2017.07 - EP); B31B 70/946 (2017.07 - EP); B31B 2155/001 (2017.07 - EP); B31B 2155/0014 (2017.07 - EP); B31B 2160/10 (2017.07 - EP)
Designated contracting state (EPC)
BE ES FR GB IT NL SE
DOCDB simple family (publication)
EP 0348823 A2 19900103; EP 0348823 A3 19910502; EP 0348823 B1 19931215; DE 3821905 C1 19900208; ES 2047610 T3 19940301
DOCDB simple family (application)
EP 89111383 A 19890622; DE 3821905 A 19880629; ES 89111383 T 19890622