Patent ID: 11945636
Assignee: AERIS PROTECTIVE PACKAGING INC.
Field: Handling (Mechanical engineering)
Classification: CPC B | IPC B

Claim 7:
8. A method of forming an inflatable packaging structure, comprising the steps of:
providing at least one inflatable panel made of a plurality of layers of thermoplastic material, arranged along a longitudinal axis, wherein said at least one inflatable panel includes a plurality of fluid chambers and a one-way check valve is incorporated into at least one of said plurality of fluid chambers and an air supply line, configured to commonly communicate with each of said one-way check valves to supply fluid into said fluid chambers; and
providing a first folding line on said inflatable panel, which is arranged in parallel to said longitudinal axis;
providing a second folding line and third folding line on said inflatable panel, which extend generally in parallel with respect to each other and generally transversely with respect to said first folding line;
fold a portion of said first folding line over a portion of said second folding line and heat seal said two portions;
fold another portion of said first folding line over a portion of said third folding line and heat seal said two portions to form said inflatable packaging structure in a rectangular shape having at least four faces and an opening therebetween and at least one trim extending from at least one face and directed externally with respect to said opening.