B - Operations – Transporting – 65 – B
Patent
B - Operations, Transporting
65
B
B65B 9/20 (2006.01)
Patent
CA 2753540
This invention discloses a process for forming a pouch having an evacuated headspace containing a flowable mate-rial. The process relates to optimizing both, the evacuation of the headspace in the pouch and the accuracy of the flowable materi-al filled in the pouch. Specifically, the present invention employs a process that includes a multiple-step or a continuous compres-sion of the pouch headspace to accomplish the goals. Also disclosed is a vertical form-fill-seal apparatus for forming a pouch con-taining a flowable material and having an evacuated headspace.
Cette invention porte sur un procédé de fabrication d'un sachet qui présente un vide évacué et qui contient un matériau pouvant s'écouler. Le procédé concerne l'optimisation à la fois de l'évacuation du vide dans le sachet et de la précision du matériau pouvant s'écouler remplissant le sachet. Précisément, la présente invention emploie un procédé qui comprend une compression à étapes multiples ou continue du vide du sachet pour atteindre l'objectif. L'invention porte également sur un appareil vertical de formage remplissage - scellage pour former un sachet contenant un matériau pouvant s'écouler et présentant un vide évacué.
Peterson Jason G.
Schutte Joshua Michael
Liqui-Box Corporation
Torys Llp
LandOfFree
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