A METHOD AND APPARATUS FOR MANUFACTURING A DOUBLE BAG
A method and an apparatus for manufacturing a double bag (20) are disclosed. The method comprises placing an inner bag (30) in an outer bag (40) through an open top end (42), inserting a gas feeding tube (50) between through the open top end (42), feeding a head space (44) between the inner bag (30)...
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Format: | Patent |
Sprache: | chi ; eng |
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