Patent ID: 7794380

Claim:
A method for making resealable bags for use in packaging equipment, comprising: feeding top and bottom webs of film along a line in juxtaposition to each other; inserting zipper seal strips between said top and bottom webs of film and transverse to said webs of film at spaced apart locations; sealing selected areas of said top and bottom webs of film to each other and bonding respective portions of said zipper seal strips to said top and bottom webs of film, defining a composite web of interconnected resealable bags, each having a zipper seal strip at a first end thereof; transversely slitting only one of said webs of film of each bag to provide a filling opening for each bag through only one side thereof, said filling opening of each bag being parallel to said zipper seal strip of said bag and at a second opposite end thereof; and winding into a roll said composite web of interconnected resealable bags, each bag having a filling opening through only one side thereof.