Improved pump tube and pouch

Details Improved pump tube and pouch Improved pump tube and pouch

B - Operations, Transporting

65

D

B65D 33/36 (2006.01) A47K 5/12 (2006.01) B65D 47/22 (2006.01)

Patent

CA 2130190

2130190 9413546 PCTABS00032 A pouch (20) for storing and dispensing liquid product in incremental amouts having a body portion (26) and a pump tube portion (28), wherein the pouch (20) can be held within a dispensing apparatus for squeezing the pump tube portion (28) to release the incremental amounts. The improved pouch (20) provides a pump tube portion (28) made of thermoplastic polypropylene and butyl terpolymer rubber which can be readily sealed to the body without fitments or couplers. The improved pouch (20) provides a built-in "duck bill" check valve assembly (112) or alternatively an O-ring check valve assembly (44), which further reduces the number of parts required as compared to the prior art. The check valve assembly provides a socket connector (114) for mounting a separate nozzle assembly (118) to the check valve assembly. A break-off tab (158) for initially opening the nozzle assembly for dispensing is provided.

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