Flexible Liner with Fitting on Gusseted Side

Abstract

The present invention is a collapsible liner for use in a bulk container. The liner comprises a front portion, a rear portion, and first and second side portions. The front portion, rear portion, and side portions are sealed together to form a four side panels, and top and bottom panels. A removable piece is provided in at least one of the portions. The removable piece may be removed to provide an opening for receiving a fitment. After the portions are sealed together, the removable piece is removed and a fitment is fit and sealed within the opening thereby provided.

1 . A liner for use in a bulk container, the liner comprising: 
 a front portion, a rear portion, and first and second side portions, wherein the front, rear, and first and second side portions are sealed together to form four side panels and two gusseted panels;    at least one perforated opening being provided on one of the front portion, the rear portion, the first side portion, or the second side portion for receiving a fitting.    
   
   
       2 . The liner of  claim 1  wherein one perforated opening is provided on one of the front portion and rear portion and one perforated opening is provided on one of the first and second side portion.  
   
   
       3 . The liner of  claim 2  wherein the one perforated opening provided on one of the front portion and rear portion is adapted to receive a fill fitment.  
   
   
       4 . The liner of  claim 2  wherein the one perforated opening provided on one of the first and second side portion is adapted to receive a drain fitment.  
   
   
       5 . A method for forming a liner for use in a bulk container, comprising: 
 providing a front portion, a rear portion, and first and second side portions, at least one perforated opening being provided on one of the front portion, the rear portion, the first side portion, or the second side portion;    sealing the front portion and the rear portion to respective edges of the side portions,    folding the first and second side portions to form gussets;    sealing a top end of the front portion and a top end of the rear portion to top folds of the first and second side portions;    sealing a bottom end of the front portion and a bottom end of the rear portion to bottom folds of the first and second side portions;    removing material from the at least one perforated opening;    fitting a fitment in the at least one perforated opening;    sealing the fitment in the at least one perforated opening.    
   
   
       6 . The method of  claim 5  wherein one perforated opening is provided on one of the front portion and rear portion and one perforated opening is provided on one of the first and second side portion.  
   
   
       7 . The method of  claim 6  wherein the one perforated opening provided on one of the front portion and rear portion is adapted to receive a fill fitment.  
   
   
       8 . The method of  claim 6  wherein the one perforated opening provided on one of the first and second side portion is adapted to receive a drain fitment.