Patent ID: 6761481
Filing Date: 2004-07-13
Classification: A44B,B65D,Y10T

Abstract:
A bag comprising two generally parallel sheets forming main walls of the bag, closure strips fixed to respective ones of the sheets, and a cursor for actuating the strips for closing and opening purposes, and parallel to the closure strips, between said sheets, and level with a mouth of the bag, a leakproof structure provided on an internal surface of at least one sheet, said leakproof structure being disposed on the inside of the bag adjacent to the closure strips, and designed to provide sealing by forming a barrier between the sheets in a closed position of the bag, said leakproof structure being adapted to be urged towards a sealing position by the cursor when the cursor is moved towards a position for closing the bag, the leakproof structure secured to the inside surface of a sheet of the bag, the cursor being provided on an end of at least one of its side flanges with a rim directed towards the inside of the bag and positioned so as to be situated beyond the leakproof structure, the cursor being also provided at the end of said rim with an additional flange directed towards a central web of the cursor.