Collapsible containers with exchangeable liners

Abstract

A collapsible container having a novel exchangeable liner is described. The collapsible container system is comprised of a multi-shaped liner with a gasket, an outer bag and a cap. These components comprise a collapsible container device that is less expensive to produce and maintain than common collapsible containers such as the Platypus and Camelbak. The components also comprise a collapsible container that has a variety of shape possibilities unlike tube lined containers such as Playtex baby bottles.

1 . A collapsible container comprising, in combination: 
 a collapsible bag member having a mouth and neck area adapted to receive a threaded neck connecting portion; and    a liner member having a top piece adapted to bond to a gasket, and a bottom piece adapted to seal to said top piece; and    a threaded neck member, said threaded neck member comprising:    a connecting portion having a connecting means adapted to receive said mouth and neck area of said collapsible bag;    a shelf area having an engaging means adapted to stabilize said gasket;    an upper threaded portion adapted to engage a cap member threaded portion; and    a cap member having a threaded portion; and a seal adapted to compress said gasket to said shelf area of said threaded neck.    
   
   
       2 . A collapsible container according to  claim 1 , wherein said cap member is a dispensing closure modified to include said seal.  
   
   
       3 . A collapsible container according to  claim 1 , wherein said cap member is adapted to engage a separate dispensing closure.  
   
   
       4 . A collapsible container according to  claim 1 , wherein said shelf engaging means is posts adapted to engage said gasket.  
   
   
       5 . A collapsible container according to  claim 1 , wherein said shelf connecting means is friction adapted to engage said gasket.  
   
   
       6 . A collapsible container according to  claim 1 , wherein said shelf engaging means is grooves adapted to engage said gasket.  
   
   
       7 . A collapsible container according to  claim 1 , wherein said shelf engaging means is snaps adapted to engage gasket.  
   
   
       8 . A collapsible container according to  claim 1 , wherein said threaded neck connecting means adapted to engage said mouth and neck area of collapsible bag is sewing stitches.  
   
   
       9 . A collapsible container according to  claim 1 , wherein said threaded neck connecting means adapted to engage said mouth and neck area of collapsible bag is Velcro.  
   
   
       10 . A collapsible container according to  claim 1 , wherein said threaded neck connecting means adapted to engage said mouth and neck area of collapsible bag is adhesives.  
   
   
       11 . A collapsible container according to  claim 1 , wherein said threaded neck connecting means adapted to engage said mouth and neck area of collapsible bag is heat sealing.  
   
   
       12 . A collapsible container according to  claim 1 , wherein said threaded neck connecting means adapted to engage said mouth and neck area of collapsible bag is ultrasonic welding.  
   
   
       13 . A collapsible container according to  claim 1 , wherein said collapsible bag is one piece of fabric.  
   
   
       14 . A collapsible container according to  claim 1 , wherein said collapsible bag is water proof.  
   
   
       15 . A collapsible container according to  claim 1 , wherein said collapsible bag is one or piece of material.  
   
   
       16 . A collapsible container according to  claim 1 , wherein said shelf is receded below the rim of said upper threaded portion of said threaded neck.  
   
   
       17 . A collapsible container according to  claim 1 , wherein said shelf is even with the rim of said upper threaded portion of threaded neck.  
   
   
       18 . A collapsible container according to  claim 1 , wherein said liner is larger than collapsible container.  
   
   
       19 . A collapsible container according to  claim 1 , wherein said liner is round.  
   
   
       20 . A collapsible container according to  claim 1 , wherein said liner is flat until open by pulling said gasket of said top piece and said bottom piece away from each other.  
   
   
       21 . A collapsible container according to  claim 1 , wherein said liner bottom piece includes a gripping means adapted to facilitate pulling said liner open.  
   
   
       22 . A collapsible container according to  claim 1 , wherein said liner is composed of at least one piece of material and said gasket.  
   
   
       23 . A gripping means according to  claim 21 , wherein said gripping means is a tab.  
   
   
       24 . A collapsible container according to  claim 1 , wherein said collapsible container may include two liners employed at the same time.  
   
   
       25 . A collapsible container according to  claim 1 , wherein said collapsible bag may include an insulating layer between said collapsible bag and said liner.  
   
   
       26 . A collapsible container according to  claim 1 , wherein said cap member engages a dispensing hose.  
   
   
       27 . A collapsible container according to  claim 1 , wherein said collapsible container threaded neck and said cap may adapt to receive ice and beverages efficiently from commercial ice and beverage dispensing machines.  
   
   
       28 . A liner having a top piece, adapted to engage a gasket and a bottom piece adapted to seal to said top piece forming a bag for use in said collapsible container.