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특허 상세정보

Vacuum insulating material and device using the same

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B32B-001/06    F25D-011/00   
미국특허분류(USC) 312/406; 428/069
출원번호 US-0258131 (2001-04-23)
우선권정보 JP-0120794 (2000-04-21); JP-0154216 (2000-05-25); JP-0269854 (2000-09-06)
국제출원번호 PCT//JP01/03469 (2003-03-17)
§371/§102 date 20030317 (20030317)
국제공개번호 WO01//81817 (2001-11-01)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Wenderoth, Lind &
인용정보 피인용 횟수 : 60  인용 특허 : 18
초록

Vacuum heat insulator comprising a laminated core made of a plurality of sheets of inorganic fibers having 10 μm or smaller in diameter and a certain composition including SiO2 as a main component, Al2O3, CaO, and MgO, a gas barrier enveloping member, and an absorbent. The vacuum heat insulator is characterized by having at least one groove formed therein after fabrication of the vacuum heat insulator. Further, the vacuum heat insulator is characterized by using inorganic fiber core of which a peak of distribution in fiber diameter lies between 1 μm or s...

대표
청구항

1. A vacuum heat insulator comprising:a laminated core comprising a plurality of sheet-formed inorganic fibers; an enveloping member; and an absorbent, wherein said inorganic fibers include 50-65 wt % of SiO2, 10-20 wt % of Al2O3, 10-20 wt % of CaO, and 1-4 wt % of MgO, a fiber diameter of said inorganic fibers is 1 μm or larger and 5 μm or smaller, and a bulk density of said inorganic fibers is 100 Kg/m3 or more and 300 Kg/M3 or less. 2. The vacuum heat insulator according to claim 1, wherein said sheet-formed inorganic fibers are provided with a cut-of...

이 특허에 인용된 특허 (18)

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이 특허를 인용한 특허 피인용횟수: 60

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