EP 0525337 B1 19951108 - Multi-layered valve bag.
Title (en)
Multi-layered valve bag.
Title (de)
Mehrlagiger Ventilsack.
Title (fr)
Sac à valve à couches multiples.
Publication
Application
Priority
DE 9109467 U 19910731
Abstract (en)
[origin: EP0525337A1] In a valve bag whose two ends are closed in each case by a bottom (17, 18) shaped in a cross or the like, which comprise folded-in corners (19, 20) and folded-over bottom sides (21, 22) located opposite one another in pairs in each case, are folded inwards whilst carrying along at the end in each case a side tip (13) of the triangle of the adjacent folded-in corner (19, 20) and are bonded to one another and to the folded-in corners (19, 20), each side tip (13) of the triangle is provided with a material cutout (12) which starts from the inner cut edge (11) of the folded-in corner (19, 20) and exposes an adjacent region of the inside of the associated folded-over bottom side (21, 22), the exposed inside region being bonded to the outside of the folded-in corner (19, 20) in the region between the fold lines (7) of the bottom sides. <IMAGE>
IPC 1-7
IPC 8 full level
B65D 30/12 (2006.01); B65D 30/18 (2006.01); B65D 30/24 (2006.01); B65D 30/26 (2006.01)
CPC (source: EP)
B65D 31/08 (2013.01); B65D 31/142 (2013.01)
Designated contracting state (EPC)
AT BE DE ES FR LU NL
DOCDB simple family (publication)
EP 0525337 A1 19930203; EP 0525337 B1 19951108; AT E129975 T1 19951115; DE 59204238 D1 19951214; DE 9109467 U1 19910919; ES 2080374 T3 19960201
DOCDB simple family (application)
EP 92109513 A 19920605; AT 92109513 T 19920605; DE 59204238 T 19920605; DE 9109467 U 19910731; ES 92109513 T 19920605