Tubular bag

Abstract

The present invention relates to a bag made of a flexible packaging material by folding a sheet of material and comprising: a sidewall, a top area and a bottom area, two cross seams, a longitudinal seal, at least three edge seals and an opening area, which is located in the top or in the bottom area and which is preferably reclosable by closing means.

1 . A bag made of a flexible packaging material by folding a sheet of material and comprising: 
 a sidewall, a top area and a bottom area,    two cross seams,    a longitudinal seal,    at least three edge seals and    an opening area, which is located in the top or in the bottom area and which is preferably reclosable by closing means.    
   
   
       2 . Bag according to  claim 1 , characterized in that the closing means is a sticker and/or a hot melt.  
   
   
       3 . Bag according to  claim 1 , characterized in, that it comprises four side folds, whereas two side folds are sealed together by the cross seams, respectively.  
   
   
       4 . Bag according to  claim 1 , characterized in, that it comprises opening means which are located in the vicinity of the opening area.  
   
   
       5 . Bag according to  claim 4 , characterized in, that the opening means is a scoring.  
   
   
       6 . Bag according to  claim 1 , characterized in, that the cross seams can be attached to the sidewall, preferably by an adhesive material.  
   
   
       7 . Bag according to  claim 1 , characterized in, that the packaging material is a oriented material.  
   
   
       8 . Process for producing a bag according to  claim 1 , characterized in, that the packaging material is formed and sealed and that the opening means is inserted prior or after the forming and the sealing.  
   
   
       9 . Process according to  claim 1 , characterized in, that the closing means are applied after the insertation of the opening means.  
   
   
       10 . Process according to  claim 1 , characterized in, that at least one cross seam is bent towards the sidewall and preferably attached to the sidewall.  
   
   
       11 . Process according to  claim 10 , characterized in, that the atmosphere in the bag is at least partial removed prior and/or during bending and attaching of the cross seams.