Method and packaging machine for producing sealed packages...

B - Operations – Transporting – 65 – B

Patent

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Details

B65B 55/10 (2006.01) A61L 2/20 (2006.01) B65B 43/08 (2006.01)

Patent

CA 2485075

There is described a method of producing a sealed package of a pourable food product from a substantially tubular precut blank (2) of sheet packaging material with apposite open ends (3, 4). The method includes the steps of feeding the blank (2) onto a relative forming mandrel (9); sealing one end (3) of the blank (2) to form a container (6, 106, 206) open at the apposite end (4); removing the container (6, 106, 206) from the mandrel (9); and sterilizing the container (6, 106, 206) before filling it with the pourable food product; and the method also including the step of preheating the container (6, 106, 206) by heating the mandrel (9) before sterilizing the container (6, 106, 206).

L'invention concerne un procédé permettant de produire un emballage étanche pour un produit alimentaire liquide à partir d'une découpe (2) sensiblement tubulaire d'un matériau d'emballage en feuille présentant des extrémités ouvertes (3, 4) opposées. Le procédé décrit dans cette invention comprend les étapes consistant à placer la découpe (2) sur un mandrin de formage (9) relatif; à sceller une extrémité (3) de la découpe (2) de manière à former un contenant (6, 106, 206) ouvert à l'extrémité opposée (4); à retirer le contenant (6, 106, 206) du mandrin (9); puis à stériliser le contenant (6, 106, 206) avant de le remplir avec le produit alimentaire liquide. Le procédé décrit dans cette invention comprend également l'étape qui consiste à préchauffer le contenant (6, 106, 206) par chauffage du mandrin (9) avant de stériliser le contenant (6, 106, 206).

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