초록 ▼

A woven fabric-made hose having at least one distribution hole for introduction and distribution of inflator gas on actuation of an air bag, which hose is installed in a side air bag module, wherein at least one of the outer surface and inner surface of said hose is coated with a rubber or a synthet

A woven fabric-made hose having at least one distribution hole for introduction and distribution of inflator gas on actuation of an air bag, which hose is installed in a side air bag module, wherein at least one of the outer surface and inner surface of said hose is coated with a rubber or a synthetic resin, and the maximum drawing resistance of fiber is at least 70 N/3 cm in a warp direction and a weft direction.

대표청구항 ▼

What is claimed is: 1. A hose comprising a woven fabric and having at least one distribution hole for introduction and distribution of inflator gas on actuation of an air bag, which hose is installed in a side curtain air bag module, wherein the outer surface of said hose is coated with a rubber or

What is claimed is: 1. A hose comprising a woven fabric and having at least one distribution hole for introduction and distribution of inflator gas on actuation of an air bag, which hose is installed in a side curtain air bag module, wherein the outer surface of said hose is coated with a rubber or a synthetic resin, and the maximum drawing resistance of fiber is at least 70 N/3 cm in a warp direction and a weft direction, when the drawing resistance is measured by a pin-hitching method defined in JIS L1096, 8.21.3 with a sample having a width of 3 cm and a length of 5 cm which is cut out from the hose such that the periphery of the hole constitutes one side of the sample and the width direction of the sample is perpendicular to each of the warp and weft directions of the fabric of the hose, wherein said fabric has a cover factor (CF) that is defined by the following formula, of from 2,200 to 5,000 in the lengthwise direction and from 600 to 900 in the widthwise direction of said hose: CF=[total fineness (dtex) of a yarn in lengthwise or widthwise direction of a hose]1/2×[weave density in lengthwise or widthwise direction of a hose (threads/2.54 cm)], and wherein a coated amount of said rubber or said synthetic resin is 25 to 60% by weight of the weight of the hose before coating. 2. The hose according to claim 1, wherein said maximum drawing resistance is at least 100 N/3 cm in a warp direction and a weft direction. 3. The hose according to claim 1, wherein said hose has a reinforced part at the inner periphery of the hole. 4. The hose according to claim 1, wherein said reinforced part is formed by applying an adhesive to the inner periphery of the hole. 5. The hose according to claim 1, wherein said reinforced part is formed at the same time as the formation of the hole by cuffing the hose wall with laser beam. 6. The hose according to claim 1, wherein said reinforced part is formed by contacting a heating means to the inner periphery of the hole. 7. The hose according to claim 1, wherein said yarn in the lengthwise direction of the hose has a total fineness of 500 to 3,000 dtex, and the yarn in the widthwise direction of the hose has a total fineness of 500 to 5,000 dtex. 8. A hose comprising a woven fabric for introduction and distribution of inflator gas on actuation of an air bag, which hose is installed in a side air bag module, wherein the outer surface of said hose is coated with a rubber or a synthetic resin, and the fabric has a bending resistance of at least 100 mm in a direction in parallel with the lengthwise direction of the hose, wherein said fabric has a cover factor (CF) that is defined by the following formula, of from 2,200 to 5,000 in the lengthwise direction and from 600 to 900 in the widthwise direction of said hose CF=[total fineness (dtex) of a yarn in lengthwise or widthwise direction of a hose]1/2×[weave density in lengthwise or widthwise direction of a hose (threads/2.54 cm)], and wherein a coated amount of said rubber or said synthetic resin is 25 to 60% by weight of the weight of the hose before coating. 9. The hose according to claim 8, wherein the lengthwise direction of said hose is in accordance with either a warp direction or a weft direction of said woven fabric. 10. The hose according to claim 8 or 9, wherein an original yarn in the lengthwise direction of said hose has a single filament fineness of at least 2 dtex when the fabric is unwoven. 11. The hose according to claim 8, wherein said yarn in the lengthwise direction of the hose has a total fineness of 500 to 3,000 dtex, and the yarn in the widthwise direction of the hose has a total fineness of 500 to 5,000 dtex. 12. A hose comprising a woven fabric and having at least one distribution hole for introduction and distribution of inflator gas on actuation of an air bag, which hose is installed in a side air bag module, said distribution hole having an area S0, wherein said hole is formed by perforating the fabric of the hose, and an area S1 of discrete yarn parts is 30% or less of the area S0 of the hole when the hose area having said hole is flattened, wherein said fabric has a cover factor (CF) that is defined by the following formula, of from 2,200 to 5,000 in the lengthwise direction and from 600 to 900 in the widthwise direction of said hose CF=[total fineness (dtex) of a yarn in lengthwise or widthwise direction of a hose]1/2×[weave density in lengthwise or widthwise direction of a hose (threads/2.54 cm)], wherein said hose has a weft skew of 20% or less in the widthwise direction of said hose when measured according to JIS L1096, 8.11, and wherein the outer surface of said hose is coated with a rubber or a synthetic resin, and a coated amount of said rubber or said synthetic resin is 25 to 60% by weight of the weight of the hose before coating. 13. The hose according to claim 12, wherein at least one of the outer surface and the inner surface of said hose is coated with a rubber or a synthetic resin. 14. The hose according to claim 12, wherein said yarn in the lengthwise direction of the hose has a total fineness of 500 to 3,000 dtex, and the yarn in the widthwise direction of the hose has a total fineness of 500 to 5,000 dtex. 15. The hose according to claim 12, wherein said hole is in a square form the sides of which are substantially in parallel with the lengthwise and widthwise directions of the hose, or in a square form the diagonals of which are substantially in parallel with the lengthwise and widthwise directions of the hose.