[특허]Vacuum heat insulating material and refrigerator

Mitsubishi Electric Corporation

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Vacuum heat insulating material and refrigerator

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16L-059/065 B32B-005/26 F25D-023/06
미국특허분류(USC)	428/069;
출원번호	US-0501200 (2010-02-16)
등록번호	US-8920899 (2014-12-30)
우선권정보	JP-2009-239591 (2009-10-16)
국제출원번호	PCT/JP2010/052245 (2010-02-16)
§371/§102 date	20120410 (20120410)
국제공개번호	WO2011/045947 (2011-04-21)
발명자 / 주소	Fujimori, Yosuke Nakano, Hideaki Nomura, Kyoko Nakashima, Hiroshi
출원인 / 주소	Mitsubishi Electric Corporation
대리인 / 주소	Buchanan Ingersoll & Rooney PC
인용정보	피인용 횟수 : 0 인용 특허 : 3

초록
▼

A highly reliable vacuum heat insulating material having excellent workability, usability, and heat insulating performance, and a heat insulation box using the vacuum heat insulating material are provided. A vacuum heat insulating material includes: a first fiber assembly made by aligning a plurality of sheet-shaped fiber assemblies, which are continuous in a length direction, so as to be next to each other in a width direction; a second fiber assembly provided so as to overlap the first fiber assembly and made by aligning a plurality of sheet-shaped fiber assemblies, which are continuous in the length direction, so as to be next to each other in the width direction; and a core material formed in a flat plate shape by winding up the first fiber assembly and the second fiber assembly continuously from inside toward outside while being displaced by a predetermined amount Xb in the width direction.

대표
청구항
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1. A vacuum heat insulating material comprising: a core material having a laminated structure of a plurality of sheet-shaped fiber assemblies, the plurality of fiber assemblies being wound up continuously from inside toward outside in an overlapped state; anda gas-barrier outer cover material containing the core material in an inside, and having a sealing part, a periphery of which is sealed while the inside is decompressed,wherein the outer cover material is hermetically sealed by sealing the sealing part while the inside of the outer cover material is substantially a vacuum. 2. The vacuum heat insulating material of claim 1, wherein the plurality of fiber assemblies are a first fiber assembly made by aligning a plurality of sheet-shaped fiber assemblies, which are continuous in a length direction, so as to be next to each other in a width direction, and a second fiber assembly provided so as to overlap the first fiber assembly and made by aligning a plurality of sheet-shaped fiber assemblies, which are continuous in the length direction, so as to be next to each other in the width direction, andwherein the core material is formed in a flat plate shape by winding up the first fiber assembly and the second fiber assembly continuously from inside toward outside while being overlapped and displaced by a predetermined amount in the width direction. 3. The vacuum heat insulating material of claim 2, wherein the vacuum heat insulating material is made foldable between the fiber assemblies, which are aligned so as to be next to each other, of the first fiber assembly or the second fiber assembly. 4. The vacuum heat insulating material of claim 2, wherein the predetermined amount is made at least 7 mm and no more than three times of a thickness t of the core material which is contained in the outer cover material in a substantially vacuum state. 5. The vacuum heat insulating material of claim 2, wherein an ear part fiber assembly having an ear part of which an end side in a width direction is not a cut face is used for at least one of the plurality of fiber assemblies which constitute the first fiber assembly or the second fiber assembly. 6. A refrigerator, comprising: the vacuum heat insulating material of claim 2, wherein the vacuum heat insulating material is folded at a predetermined angle between the fiber assemblies, which are aligned so as to be next to each other, of the first fiber assembly or the second fiber assembly, so that the vacuum heat insulating material is arranged at at least two continuous wall faces of a heat insulating box having a top face, both side faces, a rear face, and a bottom face. 7. The vacuum heat insulating material of claim 2, wherein while the core material is decompressed and sealed in the outer cover material, the vacuum heat insulating material has a predetermined thickness, and a cross sectional shape of an end portion in the width direction of the core material is a thin part which is thin and projected toward outside in the width direction. 8. The vacuum heat insulating material of claim 1, wherein the plurality of fiber assemblies are a first fiber assembly made by aligning a plurality of sheet-shaped fiber assemblies, which are continuous in a length direction, so as to be next to each other in a width direction and a third fiber assembly provided so as to overlap the first fiber assembly, which is sheet-shaped and continuous in the length direction, andwherein the vacuum heat insulating material is formed in a flat plate shape by winding up the first fiber assembly and the third fiber assembly continuously from inside toward outside while being overlapped. 9. The vacuum heat insulating material of claim 1, wherein while the core material is decompressed and sealed in the outer cover material, a cross sectional shape, which is at right angles to a width direction, of an end portion in a length direction of the core material is a substantially triangular shape in which a thickness becomes smaller toward outside in the length direction. 10. The vacuum heat insulating material of claim 1, wherein at least one of the plurality of fiber assemblies is a fiber assembly having an ear part having a ragged ridge line in a width direction end portion. 11. The vacuum heat insulating material of claim 1, wherein the core material is provided with a concave part which is continuous in a length direction, andwherein the concave part is made capable to contain piping or wiring. 12. A refrigerator, comprising: the vacuum heat insulating material of claim 1, wherein the vacuum heat insulating material is folded with a predetermined angle at a connecting part between neighboring fiber assemblies of the first fiber assemblies or the second fiber assemblies and arranged at at least two continuous wall faces of a heat insulating box having a top face, both side faces, a rear face, and a bottom face. 13. Equipment comprising: at least two continuous wall faces among a top face, both side faces, a rear face, and a bottom face; andthe vacuum heat insulating material of claim 1, in which the core material is provided with a folded part or a folding part, is arranged at the at least two continuous wall faces by folding at a predetermined angle at the folded part or the folding part. 14. Equipment, comprising: the vacuum heat insulating material of claim 1 by folding at a predetermined angle so as to form an “L” shape, a “W” shape, a “Z” shape, a “J” shape, or a “C” shape. 15. Equipment, comprising: the vacuum heat insulating material of claim 1.

이 특허에 인용된 특허 (3)

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특허 상세정보

Vacuum heat insulating material and refrigerator

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이 특허에 인용된 특허 (3)

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Vacuum heat insulating material and refrigerator

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이 특허에 인용된 특허 (3)

IPC 상위 출원인

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상세정보조회

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IPC 상세정보(version : 201201)

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