Holding sealing material, exhaust gas purifying apparatus, and method of manufacturing exhaust gas purifying apparatus
First Claim
Patent Images
1. A holding sealing material comprising:
- inorganic fibers;
a mat shape having a width direction, a length direction and a thickness direction;
a first end face and a second end face each provided approximately in parallel with the width direction; and
a penetration portion penetrating the holding sealing material in the thickness direction,wherein the penetration portion of the holding sealing material is formed diagonally with respect to the thickness direction of the holding sealing material.
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Abstract
A holding sealing material includes inorganic fibers, a mat shape, a first end face and a second end face and a penetration portion. The mat shape has a width direction, a length direction and a thickness direction. The first end face and the second end face are each provided approximately in parallel with the width direction. The penetration portion penetrates the holding sealing material in the thickness direction.
20 Citations
37 Claims
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1. A holding sealing material comprising:
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inorganic fibers; a mat shape having a width direction, a length direction and a thickness direction; a first end face and a second end face each provided approximately in parallel with the width direction; and a penetration portion penetrating the holding sealing material in the thickness direction, wherein the penetration portion of the holding sealing material is formed diagonally with respect to the thickness direction of the holding sealing material. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An exhaust gas purifying apparatus comprising:
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a casing provided with a hole; an exhaust gas-treating body housed in the casing; a holding sealing material wound around the exhaust gas-treating body and disposed between the exhaust gas-treating body and the casing, comprising; inorganic fibers; a mat shape having a width direction, a length direction and a thickness direction; a first end face and a second end face each provided approximately in parallel with the width direction; and at least one penetration portion penetrating the holding sealing material in the thickness direction; and a position of the penetration portion of the holding sealing material wound around the exhaust gas-treating body being identical with a position of the hole of the casing, wherein the penetration portion of the holding sealing material is formed diagonally with respect to the thickness direction of the holding sealing material. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A method of manufacturing an exhaust gas purifying apparatus, comprising:
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providing a holding sealing material which includes inorganic fibers, the holding sealing material having a mat shape which has a width direction, a length direction and a thickness direction, the holding sealing material having a first end face and a second end face each provided approximately in parallel with the width direction, the holding sealing material having at least one penetration portion penetrating the holding sealing material in the thickness direction; winding the holding sealing material around an exhaust gas-treating body; housing the exhaust gas-treating body in a casing to dispose the holding sealing material between the exhaust gas-treating body and the casing having a hole; and adjusting a position of the penetration portion of the holding sealing material wound around the exhaust gas-treating body with the hole of the casing, wherein a diameter of a cross section of the penetration portion of the holding sealing material is from about 1 mm to about 100 mm. - View Dependent Claims (25, 26, 27, 30, 31, 32, 33, 34, 35, 36)
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28. A method of manufacturing an exhaust gas purifying apparatus, comprising:
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providing a holding sealing material which includes inorganic fibers, the holding sealing material having a mat shape which has a width direction, a length direction and a thickness direction, the holding sealing material having a first end face and a second end face each provided approximately in parallel with the width direction, the holding sealing material having at least one penetration portion penetrating the holding sealing material in the thickness direction; winding the holding sealing material around an exhaust gas-treating body; housing the exhaust gas-treating body in a casing to dispose the holding sealing material between the exhaust gas-treating body and the casing having a hole; and adjusting a position of the penetration portion of the holding sealing material wound around the exhaust gas-treating body with the hole of the casing, wherein two or more of the penetration portions are formed, and wherein a pair of the penetration portions among the two or more penetration portions are formed at positions approximately line-symmetrical with respect to a center line of the holding sealing material in the width direction, at positions approximately line-symmetrical with respect to a center line of the holding sealing material in the length direction, or at positions approximately point-symmetrical with respect to a center of the holding sealing material. - View Dependent Claims (29)
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37. A method of manufacturing an exhaust gas purifying apparatus, comprising:
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providing a holding sealing material which includes inorganic fibers the holding sealing material having a mat shape which has a width direction, a length direction and a thickness direction, the holding sealing material having a first end face and a second end face each provided approximately in parallel with the width direction, the holding sealing material having at least one penetration portion penetrating the holding sealing material in the thickness direction; winding the holding sealing material around an exhaust gas-treating body; housing the exhaust gas-treating body in a casing to dispose the holding sealing material between the exhaust gas-treating body and the casing having a hole; and adjusting a position of the penetration portion of the holding sealing material wound around the exhaust gas-treating body with the hole of the casing, wherein the first end face and the second end face of the holding sealing material form a gap of a predetermined size, and wherein a distance between the first end face and the second end face of the holding sealing material is about 100 mm or less.
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Specification