B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 49/64 (2006.01) B29C 61/02 (2006.01) B65B 53/02 (2006.01) B65D 1/02 (2006.01) B67C 3/04 (2006.01) B29C 49/48 (2006.01)
Patent
CA 2706022
The invention relates to a method for making and hot-filling a packaging made of PET, that comprises the following steps : a) providing a PET preform that can be blown; b) blowing the preform in the cavity of a mould in order to form a packaging; c) removing the packaging from the mould cavity; d) filling the packaging with a liquid at a temperature higher than 80°C; e) tightly closing the packaging; f) sterilising and cooling the packaging; g) retracting the packaging; characterised in that: during step a), it comprises using a PET preform made of a copolymer containing terephthalic acid; during step a), at least a portion of the preform is at a temperature equal to or higher than 110°C; the temperature of the mould used in step b) is equal to or lower than 65°C; during step g), the packaging is heated for a duration of between 1 and 5 seconds to a temperature of between 600 and 1000°C in at least a portion of the packaging in order to generate a retraction and a volume reduction of the packaging. The invention also relates to a packaging obtained according to the above method.
L'invention concerne un Procédé de fabrication et remplissage à chaud d'un emballage en PET comprenant les étapes suivantes : a) Disposer d'une préforme en PET apte à être soufflée, b) Souffler la préforme dans la cavité d'un moule de manière à former un emballage, c) Retirer l'emballage de la cavité du moule, d) Remplir l'emballage avec un liquide dont la température est supérieure à 80 -C, e) Fermer l'emballage de façon étanche, 1) Stériliser et refroidir l'emballage, g) Rétracter l'emballage. L'invention concerne également un emballage obtenu avec le procédé décrit ci- dessus.
Aisapack Holding S.a.
Robic
LandOfFree
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