Inflatable restraint device and method of manufacturing same
First Claim
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1. A method of manufacturing an air bag having a mouth, said method comprising the steps of:
- inflating a mold to a pre-specified configuration;
locating a first sheet over said mold so as to form a cavity having a single opening at said mouth of said air bag;
applying a plurality of fibers on said first sheet according to a pre-specified pattern;
locating a second sheet over said mold so as to form said cavity having said single opening at said mouth of said air bag;
laminating said first and second sheets together; and
separating said air bag from said mold.
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Abstract
A one piece laminated air bag has an inner layer of sheet material, a middle layer of load carrying fibers and an outer layer of sheet material. The load carrying fibers are laid in a pre-specified pattern such that a majority of loads in the air bag are carried by the fibers. The method of manufacturing the air bag includes an inflatable mold which is inflated to the required configuration, covered with the various layers and deflated after the laminating of sheets to form the one piece laminated air bag.
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Citations
13 Claims
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1. A method of manufacturing an air bag having a mouth, said method comprising the steps of:
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inflating a mold to a pre-specified configuration; locating a first sheet over said mold so as to form a cavity having a single opening at said mouth of said air bag; applying a plurality of fibers on said first sheet according to a pre-specified pattern; locating a second sheet over said mold so as to form said cavity having said single opening at said mouth of said air bag; laminating said first and second sheets together; and separating said air bag from said mold. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification