| 摘要 |
<p>A flexible, evacuable storage bag (10) has a storage portion (12), an airtight seal (14), and an one-way valve (16). The valve includes a strip (28) sandwiched between top and bottom sheets (20, 22) used to make the bag. The strip is bonded along the edges to the top and bottom sheets so as to form two passageways extending from the storage portion to outside the bag.</p> |
