EP 1019296 A1 20000719 - VALVE SACK
Title (en)
VALVE SACK
Title (de)
VENTILSACK
Title (fr)
SAC A VALVE
Publication
Application
Priority
- FI 9800210 W 19980311
- FI 971130 A 19970318
Abstract (en)
[origin: WO9841454A1] The invention relates to paper sacks and applies to the closing of a valve sack mouth. The valve has a valve tube (12) which can be closed by heatsealing after the filling of the sack, and/or the valve has a closing flap (14) which after the filling of the sack can be folded over the valve mouth and attached to the bottom by heatsealing. Both the valve tube and the closing flap are of material suitable for defibration. The sack is thus made completely tight and can therefore be used for storing both material that must be protected from the outside environment and material that is harmful to the environment. The sack can also be made to be refiberable.
IPC 1-7
IPC 8 full level
B65D 30/24 (2006.01)
CPC (source: EP)
B65D 31/14 (2013.01)
Citation (examination)
- DE 1611667 A1 19710519 - LISSNER HANS
- FI 945727 A 19960606 - UPM KYMMENE OY [FI]
- See also references of WO 9841454A1
Designated contracting state (EPC)
DE ES FR GB PT
DOCDB simple family (publication)
WO 9841454 A1 19980924; CZ 9903259 A3 20011114; EP 1019296 A1 20000719; FI 109290 B 20020628; FI 971130 A0 19970318; FI 971130 A 19980919; HU P0001933 A2 20001028; SK 128399 A3 20000516
DOCDB simple family (application)
FI 9800210 W 19980311; CZ 325999 A 19980311; EP 98909510 A 19980311; FI 971130 A 19970318; HU P0001933 A 19980311; SK 128399 A 19980311