Side curtain airbag and method and apparatus for manufacturing a side curtain airbag
First Claim
1. An inflatable cushion for a side of a vehicle, the inflatable cushion, comprising:
- a first portion of material;
a second portion of material, the first portion of material being secured to the second portion of material to define the inflatable cushion;
wherein at least a portion of a peripheral edge of the inflatable cushion is defined by a seam wherein an inner surface of the first portion is secured to an inner surface of the second portion only by a plurality of stitches; and
wherein a strip of a third portion of material is simultaneously applied to the seam on an outer surface of either the first portion or the second portion when the plurality of stitches are applied and wherein the strip of the third portion of material is secured to the seam only by the plurality of stitches and no adhesives are used to secure the strip of the third portion to the seam, wherein a strip of a fourth portion of material is applied to the seam on an outer surface of either the first portion or the second portion opposite the third portion of material when the plurality of stitches are applied and wherein the strip of the third portion of material is secured to the seam only by the plurality of stitches and no adhesives are used to secure the strip of the third portion to the seam.
1 Assignment
0 Petitions
Accused Products
Abstract
An inflatable cushion for a side of a vehicle is provided, the inflatable cushion having a first portion of material; a second portion of material, the first portion of material being secured to the second portion of material to define the inflatable cushion; wherein at least a portion of a peripheral edge of the inflatable cushion is defined by a seam wherein an inner surface of the first portion is secured to an inner surface of the second portion only by a plurality of stitches; and wherein a strip of a third portion of material is applied to the seam of an outer surface of either the first portion or the second portion when the plurality of stitches are applied.
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Citations
21 Claims
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1. An inflatable cushion for a side of a vehicle, the inflatable cushion, comprising:
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a first portion of material; a second portion of material, the first portion of material being secured to the second portion of material to define the inflatable cushion; wherein at least a portion of a peripheral edge of the inflatable cushion is defined by a seam wherein an inner surface of the first portion is secured to an inner surface of the second portion only by a plurality of stitches; and wherein a strip of a third portion of material is simultaneously applied to the seam on an outer surface of either the first portion or the second portion when the plurality of stitches are applied and wherein the strip of the third portion of material is secured to the seam only by the plurality of stitches and no adhesives are used to secure the strip of the third portion to the seam, wherein a strip of a fourth portion of material is applied to the seam on an outer surface of either the first portion or the second portion opposite the third portion of material when the plurality of stitches are applied and wherein the strip of the third portion of material is secured to the seam only by the plurality of stitches and no adhesives are used to secure the strip of the third portion to the seam. - View Dependent Claims (2, 3, 4, 5)
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6. A method for forming a seam of an inflatable cushion, comprising:
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securing a first portion of material and a second portion of material to define the seam of the inflatable cushion wherein an inner surface of the first portion is secured to an inner surface of the second portion only by a plurality of stitches; and continuously feeding a strip of material into a sewing machine forming the seam such that the strip of material is secured to an outer surface of either the first portion of material or the second portion of the material of an inflatable cushion, wherein the strip of material is secured thereto only by the plurality of stitches and wherein no adhesives are used to secure the strip of material or the first portion of material or the second portion of material to each other. - View Dependent Claims (7, 8, 9, 10)
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11. An inflatable cushion for a side of a vehicle, the inflatable cushion, comprising:
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at least one inflatable cell proximate to an end of an inflatable portion of the inflatable cushion, the least one inflatable cell being defined by a first layer of cushion fabric secured to a second layer of cushion fabric; a single sheet of material secured to the inflatable cushion, the single sheet of material defining a non-inflatable portion of the inflatable cushion and wherein a portion of the single sheet of material traverses the at least one inflatable cell and is tangent to a face of the at least one inflatable cell when it is inflated such that upon inflation of the at least one inflatable cell tension is created in the single sheet of material and wherein the single sheet of material passes through a slot located between the at least one inflatable cell and another inflatable cell such that the single sheet of material traverses the another inflatable cell and is tangent to a face of the another inflatable cell. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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Specification