Patent attributes
An air-packing device has an improved shock absorbing capability to protect a product in a container box. The air-packing device is configured by first and second plastic films which are bonded at predetermined portions thereby creating a plurality of air containers, each of the air containers having a plurality of series connected air cells; a plurality of check valves established at inputs of the corresponding air containers for allowing compressed air to flow only in a forward direction; and an air input commonly connected to the plurality of check valves. Through a post heat-seal treatments, predetermined edge portions are bonded, thereby creating an inner space for packing a product therein and an opening for loading the product therethrough.
