| 摘要 |
The present invention 10 discloses an infusion bag 18 having means for selectively inserting any desired dry beverage material 16 . The disposable infusion bag 18 has spaced apart reinforced elements 20 fixedly attached to the bag material with a string 22 passing through the elements in predetermined positions whereby pressure applied to the distal ends of the string causes the top corners 30 to fold forward engaging the bag whereupon the remaining triangular center element folds over covering the previously folded corners preventing any of the inserted material from escaping. The bag 18 may be reusable by unfolding the bag, discarding the used contents, replacing with fresh material and refolding the bag.
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