# US 8,147,951 B2 · Composite air and foam protective packaging > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,147,951 B2 - Document ID: US8147951B2 - Status: Granted - Kind: B2 - Application number: 12/546,098 - Filed: 2009-08-24 - Published: 2010-04-15 - Granted: 2012-04-03 - Earliest claimed: 2008-08-25 - Assignees: Storopack, Inc. - Inventors: Jean-Marc Slovencik - Web page: https://patentgrep.com/patent/US8147951B2 ## CPC - B65D 81/052: {filled with fluid, e.g. inflatable elements} - B29C 44/182: {Filling flexible bags not having a particular shape} - B31D 5/0078: {and filling with a material other than air or gas} - B65D 81/051: {using pillow-like elements filled with cushioning material, e.g. elastic foam, fabric} - Y10T 428/24661: Forming, or cooperating to form cells - Y10T 428/24777: Edge feature - Y10T 428/249953: Composite having voids in a component [e.g., porous, cellular, etc.] - Y10T 428/249981: Plural void-containing components - Y10T 428/249991: Synthetic resin or natural rubbers - Y10T 428/249992: Linear or thermoplastic - B65D: CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES - B29C: SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING (making preforms B29B11/00; making laminated products by combining previously unconnected layers which become one product whose layers will remain together B32B37/00 - B32B41/00) - B31D: MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C (manufacture by dry processes of articles made from particles or fibres consisting of wood or other lignocellulosic or like organic material B27N; making layered products not composed wholly of paper or cardboard B32B; making articles from cellulosic fibrous suspensions, e.g. wood pulp, D21J) - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract A composite air and foam protective packaging product comprises a packaging cushion having, in cross-section, at least three plies of plastic film, foam between a first ply and a second ply of the three plies of plastic film, and air between the second ply and a third ply of the three plies of plastic film. ## Claims ### Claim 1 A composite air and foam protective packaging product comprising: a string of interconnected packaging cushions, each said packaging cushion comprising: in cross-section, four plies of plastic film, foam between a first ply and a second ply of said four plies of plastic film, air between said second ply and a third ply of said four plies of plastic film, foam between said third ply and a fourth ply of said four plies of plastic film, said first, second, third, and fourth plies being sealed to one another substantially contemporaneously during manufacture of said packaging cushion so as to contain said foam between said first and second plies and between said third and fourth plies while containing said air between said second and third plies, thereby defining an air cushion having an air chamber laminated with a foam cushion on each side of said air cushion, and each said packaging cushion has a longitudinally extending heat seal along a lateral side edge thereof and a pair of transversely extending heat seals thereacross defining opposite end edges thereof. ### Claim 2 (depends on 1) The protective packaging product of claim 1, said first and fourth plies of plastic film are formed by folding a first sheet of plastic film in half along a longitudinal fold line, said second and third plies of plastic film are formed by folding a second sheet of plastic film in half along a longitudinal fold line. ### Claim 3 (depends on 2) The protective packaging product of claim 2, each of said first and second sheets of plastic film has a pair of free edges, said longitudinally extending heat seal sealing said pairs of free edges together. ### Claim 4 A method of forming a composite air and foam protective packaging product comprising a string of interconnected packaging cushions, the method comprising: providing four plies of plastic film, injecting foam between a first ply and a second ply of the four plies of plastic film, injecting air between the second ply and a third ply of the four plies of plastic film, injecting foam between the third ply and a fourth ply of the four plies of film, and sealing the first, second, third, and fourth plies to one another substantially contemporaneously so as to contain the foam between the first and second plies and between the third and fourth plies while containing the air between the second and third plies, thereby defining an air cushion having an air chamber laminated with a foam cushion on each side of the air cushion, wherein the step of sealing the first, second, third, and fourth plies to one another comprises forming a longitudinally extending heat seal along a lateral side edge of the packaging cushion and forming a pair of transversely extending heat seals across the packaging cushion defining opposite end edges thereof. ### Claim 5 (depends on 4) The method of claim 4 further comprising the steps of: forming the first and fourth plies of plastic film by folding a first sheet of plastic film in half along a longitudinal fold line, and forming the second and third plies of plastic film by folding a second sheet of plastic film in half along a longitudinal fold line. ### Claim 6 (depends on 5) The method of claim 5 wherein each of the first and second sheets of plastic film has a pair of free edges, the method further comprising the steps of: forming the longitudinally extending heat seal along the lateral side edge of the packaging cushion opposite the fold lines thereby sealing the pairs of free edges together.