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NO180184B - Varmeisolasjonselement - Google Patents

Varmeisolasjonselement Download PDF

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Publication number
NO180184B
NO180184B NO930125A NO930125A NO180184B NO 180184 B NO180184 B NO 180184B NO 930125 A NO930125 A NO 930125A NO 930125 A NO930125 A NO 930125A NO 180184 B NO180184 B NO 180184B
Authority
NO
Norway
Prior art keywords
plates
spacer plate
thermal insulation
perforated
heat
Prior art date
Application number
NO930125A
Other languages
English (en)
Other versions
NO930125L (no
NO180184C (no
NO930125D0 (no
Inventor
Ekkehard Nowara
Original Assignee
Thyssen Nordseewerke Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE4214002A external-priority patent/DE4214002C2/de
Application filed by Thyssen Nordseewerke Gmbh filed Critical Thyssen Nordseewerke Gmbh
Publication of NO930125D0 publication Critical patent/NO930125D0/no
Publication of NO930125L publication Critical patent/NO930125L/no
Publication of NO180184B publication Critical patent/NO180184B/no
Publication of NO180184C publication Critical patent/NO180184C/no

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/02Layered products essentially comprising sheet glass, or glass, slag, or like fibres in the form of fibres or filaments
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/16Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer formed of particles, e.g. chips, powder or granules
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/78Heat insulating elements
    • E04B1/80Heat insulating elements slab-shaped
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/78Heat insulating elements
    • E04B1/80Heat insulating elements slab-shaped
    • E04B1/806Heat insulating elements slab-shaped with air or gas pockets included in the slab
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00Thermal insulation in general
    • F16L59/02Shape or form of insulating materials, with or without coverings integral with the insulating materials
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00Thermal insulation in general
    • F16L59/04Arrangements using dry fillers, e.g. using slag wool
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00Thermal insulation in general
    • F16L59/06Arrangements using an air layer or vacuum
    • F16L59/065Arrangements using an air layer or vacuum using vacuum
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10Inorganic fibres
    • B32B2262/101Glass fibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/30Properties of the layers or laminate having particular thermal properties
    • B32B2307/304Insulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2607/00Walls, panels
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B2001/742Use of special materials; Materials having special structures or shape
    • E04B2001/748Honeycomb materials
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/23Sheet including cover or casing
    • Y10T428/234Sheet including cover or casing including elements cooperating to form cells
    • Y10T428/236Honeycomb type cells extend perpendicularly to nonthickness layer
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/23Sheet including cover or casing
    • Y10T428/237Noninterengaged fibered material encased [e.g., mat, batt, etc.]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/23Sheet including cover or casing
    • Y10T428/239Complete cover or casing
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24174Structurally defined web or sheet [e.g., overall dimension, etc.] including sheet or component perpendicular to plane of web or sheet
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24612Composite web or sheet
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24628Nonplanar uniform thickness material
    • Y10T428/24669Aligned or parallel nonplanarities
    • Y10T428/24694Parallel corrugations
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/249921Web or sheet containing structurally defined element or component
    • Y10T428/249953Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249971Preformed hollow element-containing
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/249921Web or sheet containing structurally defined element or component
    • Y10T428/249953Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249981Plural void-containing components

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Electromagnetism (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Thermal Insulation (AREA)
  • Laminated Bodies (AREA)
  • Building Environments (AREA)
  • Bipolar Transistors (AREA)
  • Semiconductor Integrated Circuits (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Joining Of Glass To Other Materials (AREA)

Description

Foreliggende oppfinnelse angår et varmeisolasjonselement bestående av et hylster som er evakuerbart og som er fylt med et fast, mikroporøst varmeisolasjonsmateriale, idet i det minste ende- eller kantflatene til hylsteret består av et dårlig varmeledende materiale, hvilket mikroporøse varmeisolasjonsmateriale består av trykkfaste og utglødede, finfibrede mikroglassfiber, som er formet til plater ved kompaktering utført ved pressing, mens de ytre sideflatene til platene er utstyrt med perforerte, reflekterende folier eller et reflekterende belegg, og i det minste to plater er anordnet vendende mot hverandre.
Varmeisolasjonselementer basert på presset, mikroporøst varmeisolerende materiale er kjent fra E-164006. Det er kjent å utstyre de formede elementer fullstendig eller delvis med et gasstett hylster og å regulere trykket inne i det gasstette hylsteret til i det minste 20 mbar. Dessuten er det kjent å benytte en kompositt folie med et metallsjikt på én
side, av termoplastisk materiale, som hylstermateriale.
Dessuten er det fra DE-2615299 kjent å fremstille en beholder for slike varmeisolerende elementer av tynn metallplate, og å utføre forbindelsen til bunn- og topp-plate ved hjelp av sikkede, meget tynne metallfolier. Den samme fremgangsmåten foreslås også i DE-3630399.
DE-3108801 angår en tøyningselastisk isolasjon av plater med parvis innbyrdes parallelt anordnede sideflater og av bare i én retning deformasjonselastiske strimler av et varmeisolasjonsmateriale, hvilke er klebet til hverandre og til platene i berøringsflatene.
US-patent 4486482 beskriver en varmeisolator, i hvilken et varmeisolerende, mikroporøst materiale består av sammenpressede mikroglassfiber. Dette materialet fyller hele det
indre rom i isolatoren, som avgrenses av metallplater. Pressing av fibrene utføres uten bruk av bindemiddel.
GB-patent 730127 beskriver fremstilling av en evakuerbar varmeisolator, i hvilken kompakterte glassfiber danner et varmeisolerende, mikroporøst materiale. Dette materialet fyller hele det indre rom i isolatoren, som avgrenses av metallplater. Pressing av fibrene utføres uten bruk av bindemiddel. Fibrene har en maksimal diameter på 2,54 mm.
GB-patent 715174 beskriver fremstilling av et isolerende materiale bestående av kompaktert glassfiber som fyller hele det indre rom i en isolator, som avgrenses av metallplater. Pressing utføres uten bruk av bindemiddel. Fibrene har også her en maksimal diameter på 2,54 mm, og har forskjellige lengder. Isolatoren kan ha endeflater som består av et dårlig varmeledende materiale.
GB-patent 715175 beskriver varmeisolerende materialer og deres fremstilling. Skriftet beskriver fremstilling av plateformede, mikroporøse, varmeisolerende elementer bestående av sammenpressede glassfiber. Sammenpressingen utføres uten bruk av bindemiddel
Et formål med oppfinnelsen er å komme frem til et varmeisolasjonselement som i forhold til de kjente elementer har øket bøye- og torsjonsstivhet, samt har minsket densitet, og at dessuten evakueringen av elementet er enklere å utføre, ved at strømnings-motstanden er minsket.
Varmeisolasjonselementet i henhold til oppfinnelsen kjennetegnes ved at i det minste en trykkfast avstandsholderplate er anordnet mellom to plater under dannelse av en sandwich-struktur.
I motsetning til at det indre av elementet utelukkende består av mikroporøst varmeisolasjonsmateriale, inneholder således elementet i henhold til oppfinnelsen en eller flere trykkfaste avstandsholderplater, som sammen med i det minste to plater av varmeisolasjonsmaterialet danner en stabil sandwich-struktur.
Pressingen av mikroglassfibrene til plateform kan, på i og for seg kjent måte, skje uten bindemiddel. Dermed oppnås det en plate som har åpne porer, slik at evakueringen av varmeisolasjonselementet forenkles vesentlig. Dessuten kan, av miljøhensyn, platen uten bindemiddel fullstendig tilføres en resirkulasjonsprosess. Den kan også behandles slik at den finner anvendelse i et nytt isolasjonselement med en annen romform.
For å oppnå en optimalisering mellom stivhet og varmeledningsevne kan det hensiktsmessig anvendes forskjellige fiberdiametre og -lengder. Under denne forutsetning skal mikroglassfibrene overveiende ha en diameter i området 0,1 x 10'<3> mm til 8 x 10"<3> mm.
Tilsvarende skal fiberlengdene ligge hovedsakelig mellom 0,04 mm og 6 mm. Anvendelsen av mikroglassfiber med diametre og lengder utenfor de ovenfor nevnte områder er også mulig, men fører til nedsettelse med hensyn til stivhet og/eller varmeledningsevne.
For å ta hensyn til gunstige IR-refleksjonsforhold til reflekterende folier er sideflatene til platene utstyres med perforerte, reflekterende folier eller et reflekterende belegg. Perforeringen av foliene er nødvendig for ikke å påvirke de gunstige evakuerings-forholdene til varmeisolasjonselementet på grunn av platene med åpne porer.
For ikke å gjøre trykkfastheten til et varmeisolasjonselement med en avstandsholderplate dårligere, må avstandsholderplaten i det minste tilsvare fastheten til platene av varmeisolasjonsmateriale. Det foreslås fortrinnsvis en avstandsholderplate eller -plater utført som en perforert dobbeltstegplate med forskjellig utformede steg. Det er imidlertid også mulig å utforme avstandsholderplaten eller -platene som en perforert cellestruktur. Også her bør avstandsholderplaten eller -platene perforeres med henblikk på den gunstige evakuerbarheten til varmeisolasjonselementet. En slik avstandsholderplate kan utgjøre størstedelen av volumet til et varmeisolasjonselement. Støttestegene til en slik avstandsholderplate skal være i et lite antall for å holde varmeledningen liten.
Med varmeledningselementer i henhold til oppfinnelsen kan det fremstilles formede deler med ønsket fasong. Av tenkelige fasonger kan nevnes plane elementer med plater i plan og krummet romform, rør, enhetlig fremstilte esker osv.
Oppfinnelsen skal i det følgende forklares nærmere ved hjelp av utførelseseksempler vist på den vedføyde tegning.
i
I figurene er like deler gitt de samme henvisningstall. Figurene viser et varmeisolasjonselement 8, bestående av et hylster 1 med en evakueringsstuss 7, plater 4, 4' av varmeisolasjonsmateriale og mellom platene 4, 4' og hylsteret 1 liggende,
perforerte, reflekterende folier 2. Tallet 3 angir de dårlig varmeledende endeflatene til i varmeisolasjonselementet 8.
Figur 1 viser to plater 4, 4', mellom hvilke er anordnet en trykkfast avstandsholderplate 5 med steg 6. Mellom avstandsholderplaten 5 og platene 4, 4' er anordnet en perforert, reflekterende folie 9. I figur 2 er det i tillegg til avstandsholderplaten 5 vist en annen avstandsholderplate 5' med steg 6'. Disse to avstandsholderplatene 5, 5' medfører en vektbesparelse og øket stivhet for varmeisolasjonselementet 8.

Claims (3)

1. Varmeisolasjonselement bestående av et hylster (1) som er evakuerbart og som er fylt med et fast, mikroporøst varmeisolasjonsmateriale, idet i det minste ende- eller kantflatene (3) til hylsteret (1) består av et dårlig varmeledende materiale, hvilket mikroporøse varmeisolasjonsmateriale består av trykkfaste og utglødede, finfibrede mikroglassfiber, som er formet til plater (4, 4') ved kompaktering utført ved pressing, mens de ytre sideflatene til platene (4, 4') er utstyrt med perforerte, reflekterende folier (2) eller et reflekterende belegg, og i det minste to plater (4, 4') er anordnet vendende mot hverandre, karakterisert ved at i det minste en trykkfast avstandsholderplate (5, 5') er anordnet mellom to plater (4, 4') under dannelse av en sandwich-struktur.
2. Element som angitt i krav 1, karakterisert ved at avstandsholderplaten eller -platene (5, 5') er utført som en perforert dobbeltstegplate med forskjellig utformede steg (6, 6').
3. Element som angitt i krav 1, karakterisert ved at avstandsholderplaten eller -platene (5) er utført som en perforert cellestruktur.
NO930125A 1992-01-18 1993-01-14 Varmeisolasjonselement NO180184C (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4201250 1992-01-18
DE4214002A DE4214002C2 (de) 1992-01-18 1992-04-29 Wärmedämmformkörper zur Wärmeisolierung

Publications (4)

Publication Number Publication Date
NO930125D0 NO930125D0 (no) 1993-01-14
NO930125L NO930125L (no) 1993-07-19
NO180184B true NO180184B (no) 1996-11-25
NO180184C NO180184C (no) 1997-03-05

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NO930125A NO180184C (no) 1992-01-18 1993-01-14 Varmeisolasjonselement

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US (2) US5399408A (no)
BE (1) BE1006546A3 (no)
CA (1) CA2087499C (no)
DK (1) DK174605B1 (no)
FI (1) FI104651B (no)
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ITMI930051A0 (it) 1993-01-15
FI930175A0 (fi) 1993-01-15
US5399408A (en) 1995-03-21
BE1006546A3 (fr) 1994-10-11
CA2087499A1 (en) 1993-07-19
GB9300713D0 (en) 1993-03-03
GB2266758B (en) 1995-09-20
NL194869B (nl) 2003-01-06
NO930125L (no) 1993-07-19
DK5293D0 (da) 1993-01-18
US5718096A (en) 1998-02-17
FR2686392A1 (fr) 1993-07-23
FI104651B (fi) 2000-03-15
SE9300074L (sv) 1993-07-19
NL194869C (nl) 2003-05-06
FI930175A (fi) 1993-07-19
PT101178A (pt) 1994-05-31
PT101178B (pt) 1999-12-31
NO180184C (no) 1997-03-05
CA2087499C (en) 1999-04-20
SE507295C2 (sv) 1998-05-11
IT1263741B (it) 1996-08-27
NO930125D0 (no) 1993-01-14
DK174605B1 (da) 2003-07-21
DK5293A (da) 1993-07-19
ITMI930051A1 (it) 1994-07-15
GB2266758A (en) 1993-11-10
SE9300074D0 (sv) 1993-01-13
NL9300090A (nl) 1993-08-16
FR2686392B1 (no) 1995-02-24

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