EP 0193477 B1 19880413 - PAPER BAG WITH A BOTTOM PROVIDED WITH A FILLING VALVE
Title (en)
PAPER BAG WITH A BOTTOM PROVIDED WITH A FILLING VALVE
Publication
Application
Priority
FR 8502696 A 19850218
Abstract (en)
[origin: EP0193477A1] 1. A paper bag, a base of which is equipped with a filling valve, of the type produced from tubular material and in which at least one of the ends consists of four identical flaps in pairs and folded in pairs towards the central portion of the base, characterized in that the base is fitted with a component forming a valve, produced from a piece of paper (9) or a sheet of card of length greater than the distance between the first pair of flaps (6) that are situated on the inside of the bag and of width more than double the distance between the two folding lines (10) of the second pair of flaps (7), this component being folded back on itself and closed by gluing to form a flat tube one of the ends of which is closed, this tube being fixed by gluing to the external face of the two internal flaps (6), and to the internal face of the two external flaps (7), the wall of the tube situated on the side of the internal flaps comprising, in its area situated between the latter, a transverse slot (15).
IPC 1-7
IPC 8 full level
B65D 30/24 (2006.01)
CPC (source: EP)
B65D 31/145 (2013.01)
Designated contracting state (EPC)
BE CH DE GB IT LI LU NL
DOCDB simple family (publication)
EP 0193477 A1 19860903; EP 0193477 B1 19880413; DE 3660122 D1 19880519; ES 292221 U 19860601; ES 292221 Y 19870301; FR 2577523 A1 19860822; FR 2577523 B1 19871030
DOCDB simple family (application)
EP 86420041 A 19860212; DE 3660122 T 19860212; ES 292221 U 19860207; FR 8502696 A 19850218