EP 0183573 B1 19890118 - FLEXIBLE AND IMPERVIOUS CONTAINER FOR THE HANDLING OF BULK MATERIALS
Title (en)
FLEXIBLE AND IMPERVIOUS CONTAINER FOR THE HANDLING OF BULK MATERIALS
Publication
Application
Priority
FR 8414371 A 19840919
Abstract (en)
[origin: EP0183573A1] 1. Impervious container (1) for packaging powdered products or very fine granules, comprising an external envelope made from two sheets of web (2) fixed together both laterally and transversely by seams (3, 4, 5, 6) and an internal envelope (8) cemented to the two sheets of web and welded at the base, the said external envelope having at least one longitudinal slit (lateral opening 7) near the top through which a mouth (tubular element 10) of the internal envelope can be withdrawn, the base of the said external envelope being stitched through one of the transverse seams (3, 4) and being gathered to form a twist at the bottom (15) which is tied by a cord (16) while its mouth is gathered and tied by one or more cords or by a band of web (17) in order to be suspended from a hook (23), characterized in that the longitudinal slit is made by interrupting one (5) of the lateral seams (5, 6) to provide a lateral opening (7), the mouth of the internal envelope (8) is made in the form of a tubular element (10) by producing a longitudinal slit (11) starting at the top and welding the longitudinal part (13) corresponding to the length of the two sides of the edges of the slit as well as the upper transverse part (12) running from the said slit to the farther end of the lateral opening, the said tubular element (10) being drawn through the lateral opening to form an internal neck for filling (18), which is sealed after filling by means of a knot (22) before being pushed inside the container (1) again.
IPC 1-7
IPC 8 full level
B65D 88/16 (2006.01)
CPC (source: EP)
B65D 88/1618 (2013.01)
Designated contracting state (EPC)
AT DE GB IT
DOCDB simple family (publication)
EP 0183573 A1 19860604; EP 0183573 B1 19890118; AT E40085 T1 19890215; DE 3567614 D1 19890223; FR 2570352 A1 19860321; FR 2570352 B1 19870507
DOCDB simple family (application)
EP 85401801 A 19850917; AT 85401801 T 19850917; DE 3567614 T 19850917; FR 8414371 A 19840919