B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 53/38 (2006.01) B29C 65/40 (2006.01) B65D 35/00 (2006.01)
Patent
CA 2661920
The invention relates to a method for producing a plastic tubular packaging, said method comprising a rolling step during which a laminate (11) is rolled up, a preparation step during which the edges (8, 9) of the laminate (11) are arranged end-to-end, and a fixing step during which the edges (8, 9) of the laminate (11) are fixed to each other by soldering. Said method is characterised by the fact that a strand of plastic material is extruded and placed, in the melted state (12), on the inner face of the packaging, in such a way as to cover at least the soldering region (10) defined between the edges, the energy required to carry out the soldering (10) being generated from the strand of plastic material (12). The invention also relates to a packaging obtained by said method and to a device for implementing said method.
L'invention concerne un procédé de fabrication d'un emballage en matière plastique de forme tubulaire, procédé comprenant une étape d'enroulement lors de laquelle on enroule un laminé (11 ), une étape de mise en disposition lors de laquelle on dispose bout à bout les bords (8,9) du laminé (11 ) et une étape de fixation lors de laquelle on fixe l'un à l'autre par soudage lesdits bords(8,9) du laminé (11 ), caractérisé par le fait que l'on extrude et dépose un cordon de matière plastique à l'état fondu (12) sur la face interne de l'emballage, de manière à recouvrir au moins la zone de soudure (10) définie entre les bords. L'énergie nécessaire pour effectuer la soudure (10) provenant du cordon de matière plastique (12). L'invention concerne également un emballage obtenu à partir du procédé précité ainsi qu'un dispositif pour la mise en oeuvre dudit procédé.
Voigtmann Jean-Pierre
Aisapack Holding S.a.
Robic
LandOfFree
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