Flexible carbonated beverage pouch

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 30/08 (2006.01) B32B 27/28 (2006.01) B65B 51/10 (2006.01) C12C 1/027 (2006.01)

Patent

CA 2498481

A flexible pouch for a carbonated beverage is described. The pouch includes a bottom panel sealed to vertically extending front and rear panels. The front and rear panels are formed from a pressure resistant flexible material and are connected at vertical side edges and a top edge. A fitment is sealed between the top edges of the front and rear panels. The pressure resistant flexible material includes a high strength sealing layer, a gas barrier layer, and a pressure containment layer, preferably of laminated construction. The high strength sealing layer is formed from a material that can form heat seals capable of withstanding 620 kilopascals of internal pouch pressure, such as cast polypropylene and cross- linked polyethylene. The pouch can also include side panels that can be sealed to the vertical side edges of the front and rear panels by fin seals to connect the front and rear panels.

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