Patent ID: 6122785
Filing Date: 2000-09-26
Classification: A42B,A43B,A45C,A45F,F16F

Abstract:
A method of manufacturing an air pad having first and second layers of plastic film joined to one another at predetermined locations forming a plurality of separate air chambers with air passages connecting the air chambers to one another, each of the air chambers and each of the air passages having foam therein whereby air flow from one chamber to another is partially restricted by the foam, the method comprising the steps of:providing the first and second layers of plastic film;placing foam between the first and second layers of plastic film including in the predetermined locations where the first and second layers of plastic films are joined to one another;joining the first and second layers of plastic film to one another at the predetermined locations to form the plurality of the air chambers with air passages connecting the air chambers to one another and with the foam being located within each air chamber and each air passage; andmelting the foam at the predetermined locations.