Method for filling containers and installation therefor

Details Method for filling containers and installation therefor Method for filling containers and installation therefor

B - Operations, Transporting

67

C

B67C 3/12 (2006.01) B67C 3/10 (2006.01) B67C 3/24 (2006.01) B67C 3/26 (2006.01)

Patent

CA 2297267

The invention concerns a method for filling a plastic container (8) while it is still hot and deformable without damaging it, when the filling comprises a phase (17; 13) during which a noticeable difference in pressure between the container inside and the environment external to the filling installation occurs, at least during part of said phase, consisting in placing the container in a sealed chamber (9) isolating it from the external environment and modifying (18; 12) the pressure inside the chamber to reduce, even cancel, the difference in pressure between the container inside and outside. The invention is applicable to the filling of plastic containers, with aerated beverages and/or their filling after a vacuumizing phase of their internal volume, immediately after they have been made by blowing.

Pour remplir un récipient (8) en matière plastique lorsque celle-ci est encore chaude et déformable sans le détériorer, lorsque le remplissage comporte une phase (17; 13) au cours de laquelle une différence de pression notable apparaît entre l'intérieur du récipient et l'ambiance extérieure à l'installation de remplissage, au moins durant une partie de ladite phase, on place le récipient dans une enceinte (9) étanche l'isolant de l'extérieur et on modifie (18; 12) la pression à l'intérieur de l'enceinte pour réduire, voire annuler, la différence de pression entre l'intérieur et l'extérieur du récipient. L'invention est applicable au remplissage de récipients en matière plastique, avec des boissons gazéifiées et/ou à leur remplissage après une phase de mise sous vide de leur volume intérieur, immédiatement après leur fabrication par soufflage.

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