EP 0709300 A1 19960501 - Paper bag provided with an airtight closable opening
Title (en)
Paper bag provided with an airtight closable opening
Title (de)
Papiersack mit einer luftdicht abschliessbaren Öffnung
Title (fr)
Sac en papier muni d'une fermeture étanche à l'air
Publication
Application
Priority
NL 9401804 A 19941031
Abstract (en)
The invention relates to a bag (1) having the dimensions of a jumbo-sack. The bag (1) is preferably provided with closing means (9) for dust-tight closure of the filling opening (8). This has the advantage that materials can be transported in dust-tight manner. This is of particular importance in the transport of material sensitive to moisture or contamination, such as cement products and food products such as tea. Preferably the bag (1) is at its upper side provided with an inlet valve (8,9), the outflow valve (11,26) is provided with fastening means (12,27) for causing mutual fastening of the walls of the valve (11,26). <IMAGE>
IPC 1-7
IPC 8 full level
B65D 88/16 (2006.01)
CPC (source: EP)
B65D 88/1618 (2013.01)
Citation (search report)
- [YA] FR 2634469 A1 19900126 - FABRICATION MATERIEL EMBALLAGE [FR]
- [YA] CH 471002 A 19690415 - ASHTON CONTAINERS [GB]
- [A] EP 0367501 A1 19900509 - HOLMESWORTH INT LTD [GB]
- [A] US 3921892 A 19751125 - MACIE HENRY J
- [A] US 5340218 A 19940823 - CUTHBERTSON BRUCE [US]
- [A] US 5018877 A 19910528 - KANTZ JOHN F [US]
- [A] US 3306521 A 19670228 - ALFRED GIACOVAS
Designated contracting state (EPC)
BE DE FR GB NL
DOCDB simple family (publication)
DOCDB simple family (application)
EP 95202935 A 19951030; NL 9401804 A 19941031