Patent ID: 8528783

Claim:
A package for enabling the dispensing of a flowable material therefrom, said package comprising a piercing member, an interior chamber, and a coupling insert located within said chamber, said chamber being arranged for receipt of a flowable material and comprising a wall formed of a flexible sheet material, said piercing member comprising a sealing skirt, a piercing tip, and a conduit in fluid communication with said piercing tip, said sealing skirt having a flared free edge, said coupling insert having a peripheral edge and an opening in communication with said chamber, said piercing member and said coupling insert being arranged to be moved with respect to each other to cause said piercing tip to engage said wall of said package and pass therethrough as said flared free edge of said sealing skirt engages a portion of said wall of said package about said piercing tip, said flared free edge of said sealing skirt centering said coupling insert with respect to said piercing member, one of said piercing member and said coupling insert including an undercut wall and the other of said piercing member and said coupling insert including an undercut recess, said undercut wall and said undercut recess being arranged to effect a snap connection of said piercing member to said coupling insert after said piercing tip has pierced said wall of said package, whereupon said piercing member and said coupling insert are secured together, with said conduit of said piercing member in fluid communication with said opening in said coupling insert and with said chamber.