Liner

Abstract

A liner for use in a container can include a liner wall defining an interior cavity of the liner. The liner includes a top portion and a bottom portion sealed to the liner wall, the tip portion comprising an opening. The liner further includes a disk sealed to the top portion of the liner, the disk covering the opening.

What is claimed is: 
     
         1 . A liner for use in a container, the liner comprising:
 a liner wall defining an interior cavity of the liner, the liner including a top portion and a bottom portion sealed to the liner wall, the top portion comprising an opening;   a disk sealed to the top portion of the liner, the disk disposed in the opening.   
     
     
         2 . The liner of  claim 1 , wherein the liner comprises a thickness between about 0.002 inches and about 0.014 inches. 
     
     
         3 . The liner of  claim 1 , wherein the disk defines a bung opening between about ¾ inches and about 8 inches. 
     
     
         4 . The liner of  claim 3 , wherein the bung opening is disposed in the top portion of the liner. 
     
     
         5 . The liner of  claim 3 , further comprising a bung configured to removably couple to the bung opening. 
     
     
         6 . The liner of  claim 1 , wherein the disk comprises a diameter between about 3 inches and about 12 inches. 
     
     
         7 . The liner of  claim 1 , wherein the liner comprises at least one of a high-density polyethylene (HDPE) material, a low-density polyethylene (LDPE) material, a polypropylene material, a co-extruded polyethylene nylon material, a co-extruded ethylene vinyl alcohol material, a laminated material, or a foil material. 
     
     
         8 . The liner of  claim 1 , wherein the liner further comprises a vent fitting, and
 a vent plug removably disposed in the vent fitting.   
     
     
         9 . The liner of  claim 1 , wherein the disk comprises a thermoformed plastic disk heat sealed to the top portion of the liner. 
     
     
         10 . A container for holding contents, comprising:
 a shell having a side wall and a top portion and a bottom portion coupled to the side wall;   an opening positioned on the top portion of the shell; and   a liner disposed within the shell conforming to the shape of the shell, the liner having a lid sealed to a top portion of the liner, the lid aligned with the opening of the shell.   
     
     
         11 . The container of  claim 10 , wherein the liner includes an access portion for accessing the contents of the container. 
     
     
         12 . The container of  claim 11 , wherein the access portion comprises a bung opening defined by the lid, the bung opening between about ¾ inches and about 8 inches. 
     
     
         13 . The container of  claim 10 , wherein the lid comprises a thermoformed plastic disk having an alignment feature extending therefrom. 
     
     
         14 . The container of  claim 10 , wherein the liner is made from at least one of a high-density polyethylene (HDPE) material, a low-density polyethylene (LDPE) material, a polypropylene material, a co-extruded polyethylene nylon material, a co-extruded ethylene vinyl alcohol material, a laminated material, or a foil material. 
     
     
         15 . The container of  claim 10 , wherein the lid comprises a circular plastic disk between about 3 inches and about 12 inches. 
     
     
         16 . The container of  claim 10 , wherein a perimeter of the lid comprises a lip configured to couple to the container. 
     
     
         17 . The container of  claim 10 , wherein the liner further comprise a vent fitting and a vent plug removably disposed in the vent fitting and the container comprises an opening that aligns with the vent fitting. 
     
     
         18 . The container of  claim 10 , wherein the container further comprise a vent fitting and a vent plug removably disposed in the vent fitting. 
     
     
         19 . A liner for use in a container, the liner comprising:
 a cylindrical body and an upper head and a lower bottom,   a first opening in the upper head, the first opening having a diameter smaller than the diameter of the cylindrical body, wherein the first opening comprises a thermoformed cover disposed at the opening.   
     
     
         20 . The liner of  claim 19 , wherein the liner conforms to the shape of the container. 
     
     
         21 . The liner of  claim 19 , wherein the thermoformed cover comprises a bung opening disposed in the top portion of the liner, the bung opening between about ¾ inches and about 8 inches.