초록 ▼

In an open mouth bag, in which a primary closure is formed by folding down a lip of the rear panel and securing it to the front panel with means to release the lip from the front panel, an improved secondary closure of a reclosable fastening tape which can be repeatedly opened and reclosed after the

In an open mouth bag, in which a primary closure is formed by folding down a lip of the rear panel and securing it to the front panel with means to release the lip from the front panel, an improved secondary closure of a reclosable fastening tape which can be repeatedly opened and reclosed after the lip has been released from the primary closure.

대표청구항 ▼

In an open mouth bag including front and rear panels disposed in generally parallel relationship to one another and interconnected along their longitudinal edges by means of gussets, the rear panel being provided with a lip extending above the mouth of the bag, said rear panel being foldable along a

In an open mouth bag including front and rear panels disposed in generally parallel relationship to one another and interconnected along their longitudinal edges by means of gussets, the rear panel being provided with a lip extending above the mouth of the bag, said rear panel being foldable along a fold line on the rear panel, positioned below the lip and the mouth of the bag, and securable to the face of the front panel; and means for securing the lip to the face of the front panel to form a primary closure of said open mouth of the bag, said lip being provided with means for unsecuring at least part of the lip from the front panel; an improved secondary closure at said open mouth of the bag in cooperation with said primary closure, comprising: a fastening tape with mating hook and loop strips, one strip being secured to the lip of the rear panel above said gussets and the other mating strip being secured to the face of the front panel in a position so that the strips will be superimposed when the lip is folded over, the secondary closure being positioned to secure the lip to the front panel after the lip has been unsecured; said gussets comprising front and rear gusset panels articulated along central fold lines, the rear gusset panels being extended above the mouth of the bag and secured under the fastening tape strips to hold the rear gusset panels in place against the rear panel of the bag; whereby the secondary closure can be repeatedly opened and reclosed after the lip has been unsecured.