B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 81/20 (2006.01) B65B 31/00 (2006.01) B65D 33/01 (2006.01)
Patent
CA 2575102
A method of making and filling a plastic bag includes the steps of providing a bag having a plurality of microperforations; filling the bag with a powdered product; securing the bag; removing at least a portion of entrapped air in the bag through the microperforations; and sealing the microperforations. A product includes a bag configured for being formed from a plastic film into which a plurality of microperforations have been created. The bag contents include less air than that present in the bag when the top and the bottom were secured, at least a portion of the air sealed inside the bag having been expelled through the microperforations. A sealant is used for sealing the microperforations.
L'invention concerne un procédé de fabrication et de remplissage d'un sac en plastique, qui consiste en ce qui suit: former un sac comportant plusieurs microperforations; remplir le sac avec le produit en poudre; fixer le sac; évacuer au moins une partie de l'air bloqué dans le sac via les microperforations; et obturer les microperforations. Un produit comprend un sac configuré pour être formé à partir d'un film plastique dans lequel plusieurs microperforations ont été créées. Le contenu du sac comprend moins d'air que celui présent dans le sac lorsque le sommet et le fond étaient solidarisés, et au moins une partie de l'air renfermé étanche à l'intérieur du sac a été rejetée via les microperforations. Un agent d'obturation est utilisé pour obturer les microperforations.
Boggia George W.
Doyle Stanley B.
Immordino Salvatore C. Jr.
Company United States Gypsum
Moffat & Co.
LandOfFree
Plastic bag for fine powders does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Plastic bag for fine powders, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Plastic bag for fine powders will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1840871