| 摘要 |
The present invention provides a bag comprising two generally parallel sheets (16, 18) forming the main walls of the bag, complementary closure strips (20, 22) fixed to respective ones of the sheets, and a cursor (50) for actuating the strips (20, 22) for closing and opening purposes, the bag being characterized in that it further comprises, parallel to the closure strips (20, 22), between said sheets (16, 18), and level with the mouth (12) of the bag, additional means in relief (100) disposed on the insides of the closure strips (20, 22), designed to provide sealing by forming a barrier between the sheets (16, 18) in the closed position of the bag, said additional means in relief (100) being placed facing the flanks (52, 54) of the cursor (50) to be urged towards their sealing position by the cursor (50) when the cursor is moved towards the sealing position.
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