EP 0658488 B1 19980722 - Flexible bag with integrated opening line, and method for its manufacturing
Title (en)
Flexible bag with integrated opening line, and method for its manufacturing
Title (de)
Flexibler Beutel mit integrierter Öffnungslinie, und Verfahren zur seiner Herstellung
Title (fr)
Sachet souple à ligne d'ouverture intégrée, et son procédé de fabrication
Publication
Application
Priority
FR 9315151 A 19931216
Abstract (en)
[origin: EP0658488A1] The invention relates especially to a bag (1) comprising at least two flexible but tearable walls (2, 3) facing one another; a border (4) for rigidly joining the two walls (2, 3) together, this border being designed to delimit, on the one hand, the external periphery (6-9) of the bag (1), and on the other hand, the external contour (10-13) of a central volume (5) designed to contain a product which is, for example, liquid, pasty, or in the form of a powder; and a line (18) of lesser strength which extends along the border (4) for joining together and which is designed to allow the bag (1) to be opened by tearing of the walls (2, 3); a first end (19) of the line of lesser strength (18) being situated at a peripheral edge (7) of the border (4) for joining together; characterised in that at its second end (20), the line of lesser strength (18) has a tangent (21) which intercepts the external contour (10, 13) of the volume (5) so that by tearing the walls (2, 3) along the line of lesser strength (18), starting from the first end (19) and via the second one (20), an opening of substantially predetermined shape is made in the volume (5). <IMAGE>
IPC 1-7
IPC 8 full level
B65B 61/18 (2006.01); B65D 75/58 (2006.01); B65D 75/62 (2006.01); B65D 75/20 (2006.01)
CPC (source: EP)
B65B 61/18 (2013.01); B65D 75/5822 (2013.01); B65D 75/20 (2013.01)
Designated contracting state (EPC)
BE CH DE ES FR GB IT LI NL
DOCDB simple family (publication)
EP 0658488 A1 19950621; EP 0658488 B1 19980722; CA 2138352 A1 19950617; CA 2138352 C 20080311; DE 69411865 D1 19980827; DE 69411865 T2 19981203; FR 2714030 A1 19950623; FR 2714030 B1 19960202
DOCDB simple family (application)
EP 94402923 A 19941216; CA 2138352 A 19941216; DE 69411865 T 19941216; FR 9315151 A 19931216