System and method for conveying air-filled packing cushions

  • US 6,519,916 B1
  • Filed: 12/21/1998
  • Issued: 02/18/2003
  • Est. Priority Date: 12/21/1998
  • Status: Expired due to Fees
First Claim
Patent Images

1. In a system for conveying an elongated string of air-filled packing cushions which balloon outwardly between transverse seal lines:

  • an elongated duct having inlet and outlet ends, means for feeding a continuous string of the air-filled cushions into the duct at the inlet end with the string extending longitudinally of the duct and the seal lines extending transversely, and means for establishing an air flow in the duct for propelling the string of cushions through the duct in a forward direction toward the outlet end.

View all claims

    Thank you for your feedback