B - Operations – Transporting – 65 – B
Patent
B - Operations, Transporting
65
B
B65B 63/08 (2006.01) B29C 65/00 (2006.01) B65B 9/04 (2006.01) B65B 29/00 (2006.01) B65B 33/00 (2006.01)
Patent
CA 2208449
Process and plant for packaging in the fluid state substances which are sticky or soft at room or handling temperature, wherein the substance (A) is cast in a mould (1) provided with holes and lined, by means of vacuum thermoforming, with a thin film of plastic material (4) which is non-sticky at the room temperature and compatible, in the fluid state, with the sticky or soft substance (stage I). The free-surface of this substance thus formed is cooled (stage II) and finally covered with a non-sticky material (25) which is then heat-sealed with the film (stage III). The sealed materials are finally cut in the region of the sealed joint (stage IV).
On décrit un procédé ainsi qu'une installation d'emballage à l'état fluide de substances collantes ou molles à température ambiante ou à température de manutention, procédé dans lequel on coule la substance (A) dans un moule (1) pourvu de trous et chemisé, par thermoformage sous vide, à l'aide d'un film mince en matériau (4) plastique qui n'est pas collant à température ambiante et est compatible, à l'état fluide, avec la substance collante ou molle (étape 1). On refroidit alors (étape 2) la surface libre de la substance ainsi formée, et enfin on couvre celle-ci à l'aide d'un matériau (25) non collant, lequel est ensuite thermoscellé avec le film (étape 3). On coupe enfin les matériaux scellés dans la région du joint scellé (étape 4).
Robic
Sav. Ind. S.r.l.
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