JP2010121652A5 - - Google Patents

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Publication number
JP2010121652A5
JP2010121652A5 JP2008293482A JP2008293482A JP2010121652A5 JP 2010121652 A5 JP2010121652 A5 JP 2010121652A5 JP 2008293482 A JP2008293482 A JP 2008293482A JP 2008293482 A JP2008293482 A JP 2008293482A JP 2010121652 A5 JP2010121652 A5 JP 2010121652A5
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JP
Japan
Prior art keywords
vacuum heat
heat insulating
layer
insulating material
inter
Prior art date
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Application number
JP2008293482A
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Japanese (ja)
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JP2010121652A (en
JP4969555B2 (en
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Priority to JP2008293482A priority Critical patent/JP4969555B2/en
Priority claimed from JP2008293482A external-priority patent/JP4969555B2/en
Publication of JP2010121652A publication Critical patent/JP2010121652A/en
Publication of JP2010121652A5 publication Critical patent/JP2010121652A5/ja
Application granted granted Critical
Publication of JP4969555B2 publication Critical patent/JP4969555B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Claims (4)

芯材と、該芯材を被覆するガスバリア性を有する外包材とからなり、内部を減圧密封した真空断熱材において、
前記芯材は、熱可塑性樹脂の長繊維集合体を使用し、その長繊維集合体で繊維間溶着がない層の上下を前記長繊維集合体で繊維間溶着がある層で挟んだものを１層とし、１層又は複数層重ねて形成したことを特徴とする真空断熱材。 In a vacuum heat insulating material consisting of a core material and an outer packaging material having a gas barrier property covering the core material, the inside of which is sealed under reduced pressure,
The core material is made of a thermoplastic resin long fiber aggregate, and the upper and lower layers of the long fiber aggregate that are not welded between fibers are sandwiched by layers of the long fiber aggregate that are welded between fibers. A vacuum heat insulating material characterized in that it is formed as a single layer or a plurality of layers . 前記繊維間溶着がある層の目付けが５g/ｍ2以下であることを特徴とする請求項１記載の真空断熱材。 Vacuum heat insulator of claim 1, wherein the basis weight of the layer where there is the inter-fiber welding and characterized in that 5 g / m 2 or less. 前記繊維間溶着がない層の目付けが、前記繊維間溶着のある層の目付けの合計の５倍以上であることを特徴とする請求項１又は２記載の真空断熱材。 3. The vacuum heat insulating material according to claim 1, wherein the basis weight of the layer having no inter-fiber welding is 5 times or more of the total basis weight of the layer having the inter-fiber welding. 請求項１〜３のいずれかに記載の真空断熱材を有することを特徴とする断熱箱。 Insulating box characterized by having a vacuum heat insulating material according to any of claims 1-3.
JP2008293482A 2008-11-17 2008-11-17 Vacuum insulation and insulation box Expired - Fee Related JP4969555B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008293482A JP4969555B2 (en) 2008-11-17 2008-11-17 Vacuum insulation and insulation box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008293482A JP4969555B2 (en) 2008-11-17 2008-11-17 Vacuum insulation and insulation box

Publications (3)

Publication Number Publication Date
JP2010121652A JP2010121652A (en) 2010-06-03
JP2010121652A5 true JP2010121652A5 (en) 2010-07-29
JP4969555B2 JP4969555B2 (en) 2012-07-04

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ID=42323171

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008293482A Expired - Fee Related JP4969555B2 (en) 2008-11-17 2008-11-17 Vacuum insulation and insulation box

Country Status (1)

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JP (1) JP4969555B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170117508A (en) * 2015-03-10 2017-10-23 가부시끼가이샤 도시바 Vacuum insulation panel, core material, refrigerator, vacuum insulation panel manufacturing method, refrigerator recycling method
WO2021054395A1 (en) * 2019-09-17 2021-03-25 パナソニックＩｐマネジメント株式会社 Vacuum heat-insulating material

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002058604A (en) * 2000-08-17 2002-02-26 Toray Ind Inc Hot and cold insulation container
JP2006017151A (en) * 2004-06-30 2006-01-19 Fuji Electric Retail Systems Co Ltd Vacuum heat insulating material
JP2008057745A (en) * 2006-09-04 2008-03-13 Matsushita Electric Ind Co Ltd Vacuum heat insulation material and glass composition

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