Patent ID: 6382420
Filing Date: 2002-05-07
Classification: B65D

Abstract:
A sealing sheet for a container-defining sheet, said sealing sheet comprising:a top layer made of paper and having an upper surface and a lower surface; an adhesive layer made of paper and having a plurality of spaced apart holes punched therein, said holes being surrounded by adhesive layer bands that form said adhesive layer, said adhesive layer bands having an upper surface covered with an upper layer of pressure sensitive adhesive glue and a lower surface covered with a lower layer of removable re-positionable pressure sensitive adhesive glue, said adhesive layer bands being fixed to the lower surface of the top layer by said upper layer of pressure sensitive adhesive glue; a peelable backing having a plurality of spaced apart holes that are positioned, shaped and sized to be in exact superimposition below the holes of the adhesive layer, said holes of the backing being surrounded by backing bands that forms said backing, said backing bands having an upper surface detachably fixed to the lower surface of the adhesive layer bands by means of said lower layer of removable re-positionable pressure sensitive adhesive glue, whereby said backing bands can be peeled off from said adhesive layer bands to allow fixation of the sealing sheet onto the container-defining sheet; and tearing lines punched into the top layer and the adhesive layer bands in such a manner and position as to allow said top layer and adhesive layer to be split into a number of cover pieces equal to the number of holes made in the adhesive layer, each of said cover pieces having one of said holes of said adhesive layer that is centrally positioned therein and fully surrounded by a flange made of parts of said adhesive layer bands.