B - Operations – Transporting – 67 – B
Patent
B - Operations, Transporting
67
B
B67B 7/86 (2006.01) B05B 11/00 (2006.01)
Patent
CA 2109430
A spout is disclosed, for insertion into and se- curement to a plastic pouch. The spout has a film- puncturing end comprising a tube (22) and a remov- able plunger (34) adapted to move coaxially inside the tube. One end of the plunger (36) is conical and adapted topuncture film and expand an opening re- sulting from the puncture in a manner to lead the edges of the opening over the tube. The tube also is adapted (25) to permit the edges of the opening to move over the conical portion and thence over the outer periphery of the tube.
Thompson John Rowson
Wirsig Ralph Carl
Du Pont Canada Inc.
Liqui-Box Canada Inc.
Torys Llp
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