US Patent 9382043 Reclosable bag made of a paper-plastic laminate

A reclosable bag (1) made of a paper-plastic laminate, having a rear side (8) and upper and lower heat-sealed edges (3, 4), comprises an external layer (5) made of paper and an inner polymeric lining film (7). A rear window (9) closed by the inner polymeric lining film (7) is formed in the external paper layer (5) on the rear side (8) of the bag (1). An easy open adhesive label (10) is permanently attached through a first portion (11) thereof on the external paper layer (5) of the upper edge (3) of the bag (1), and through a second portion (12) thereof releasably on the internal polymeric lining film (7) that closes the rear window (9).