Process for fabricating bags having a bottom with bellows

Details Process for fabricating bags having a bottom with bellows Process for fabricating bags having a bottom with bellows

B - Operations, Transporting

65

D

B65D 75/00 (2006.01) B65D 30/00 (2006.01)

Patent

CA 2228602

The bag with bellows is made by longitudinal folding of a paper web (1) which has been previously coated with coating bands (12) or thermoweldable material positionned with respect to a marking (14) used to position correctly the place where the welds (3) and the cutting (4) for separating the bags (5) have to be done.

Le sachet à soufflet est réalisé par un pliage longitudinal d'une bande de papier (1) préalablement enduite de bandes d'enduction (12) de matériau thermosoudable positionnées par rapport à une marque de repérage (14) servant à positionner correctement l'endroit des soudures (3) et de la découpe (4) de séparation des sachets (5).

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