Sealable Bag

Abstract

A sealable plastic bag has a first panel and a second panel. The first panel and second panel are joined along three edges to define a bag interior and an opening to permit access to the bag interior. A permanent sealing structure is configured to permanently seal the first and second panels to close the opening and prevent access to the bag interior. A release liner strip overlies the permanent sealing structure to prevent the permanent sealing structure from sealing the first and second panels until activation by a user. A resealable sealing structure is configured to repeatedly and nondestructively seal the first and second panels to close the opening and prevent access to the bag interior.

What is claimed is: 
     
         1 . A plastic bag comprising:
 a first panel having four edges;   a second panel having four edges, the first panel and second panel defining a bag interior and an opening to permit access to the bag interior;   a permanent sealing structure configured to permanently seal the first and second panels to close the opening and prevent access to the bag interior such that the bag cannot be re-opened without destruction of the bag;   a release liner strip overlying the permanent sealing structure to prevent the permanent sealing structure from sealing the first and second panels until activation by a user; and   a resealable sealing structure configured to repeatedly and nondestructively seal and unseal the first and second panels to close the opening and prevent access to the bag interior.   
     
     
         2 . The plastic bag of  claim 1 , wherein the permanent sealing structure comprises pressure sensitive adhesive. 
     
     
         3 . The plastic bag of  claim 1 , wherein the resealable sealing structure comprises pressure sensitive adhesive. 
     
     
         4 . The plastic bag of  claim 1 , wherein the resealable sealing structure comprises a zippered seal. 
     
     
         5 . The plastic bag of  claim 1 , further comprising an opening structure configured to allow removal of a portion of the first and second panels to permit access to the bag interior after the release liner strip has been removed and the first and second panels have been sealed by the permanent sealing structure. 
     
     
         6 . The plastic bag according to  claim 5  wherein the opening structure comprises lines of perforations extending through the first and second panels. 
     
     
         7 . The plastic bag according to  claim 1 , wherein the release liner strip includes a silicone coating. 
     
     
         8 . The plastic bag according to  claim 1 , wherein the resealable sealing structure provides a leak-proof seal of the bag interior. 
     
     
         9 . The plastic bag according to  claim 1 , wherein the permanent sealing structure and the resealable sealing structure are both located proximate a top portion of the first and second panels. 
     
     
         10 . The plastic bag according to  claim 1 , wherein the resealable sealing structure is located closer to a bottom portion of the first and second panels than the permanent sealing structure. 
     
     
         11 . A plastic bag comprising:
 a first panel having a bottom edge, first and second side edges, and a top edge;   a second panel having a bottom edge, first and second side edges, and a top edge, the first and second panels being joined at the respective bottom edges and first and second side edges to define a bag interior, the first and second panels defining an opening between the respective top edges permitting access to the bag interior;   a permanent adhesive layer extending continuously between the first and second side edges of at least one of the panels, the permanent adhesive layer being configured to permanently seal the top edges of the first and second panels together to prevent access to the bag interior;   a first release liner strip extending continuously between the first and second side edges of one of the panels and overlying the permanent adhesive layer, such that the permanent adhesive layer cannot seal the top edges of the first and second panels until the first release liner strip is removed;   a resealable sealing structure extending continuously between the first and second side edges of at least one of the panels at a location closer to the bottom edge than the permanent adhesive layer, the resealable sealing structure being configured to repeatedly and nondestructively seal and unseal the first and second panels together to prevent access to the bag interior; and   a perforation line extending between the first and second side edges of the first and second panels between the permanent adhesive layer and the resealable sealing structure, the perforation line configured to allow removal of a portion of the panels to permit access to the bag interior after the first release liner strip has been removed and the panels have been sealed by the permanent adhesive layer;   the resealable sealing structure, permanent adhesive layer and first release liner strip being configured to permit repeated and nondestructive access to the bag interior before the first release liner strip has been removed and the panels have been sealed by the permanent adhesive layer.   
     
     
         12 . The plastic bag of  claim 11 , wherein the resealable sealing structure comprises pressure sensitive adhesive. 
     
     
         13 . The plastic bag of  claim 12 , further comprising a second release liner strip extending continuously between the first and second side edges of one of the panels and overlying the resealable sealing structure, such that the resealable sealing structure cannot seal the first and second panels until the second release liner strip is removed 
     
     
         14 . The plastic bag of  claim 11 , wherein the resealable sealing structure comprises a zippered seal. 
     
     
         15 . The plastic bag of  claim 11 , wherein the permanent adhesive layer and the resealable sealing structure are both proximate the top edges of the panels. 
     
     
         16 . The plastic bag according to  claim 11  wherein the release liner strip includes a silicone coating. 
     
     
         17 . The plastic bag according to  claim 11 , wherein the resealable sealing structure provides a leak-proof seal. 
     
     
         18 . The plastic bag according to  claim 11  wherein the perforation lines include perforations extending through the thicknesses of the panels.