DE1450940A1 - Thermal insulation device - Google Patents

Thermal insulation device

Info

Publication number
DE1450940A1
DE1450940A1 DE19641450940 DE1450940A DE1450940A1 DE 1450940 A1 DE1450940 A1 DE 1450940A1 DE 19641450940 DE19641450940 DE 19641450940 DE 1450940 A DE1450940 A DE 1450940A DE 1450940 A1 DE1450940 A1 DE 1450940A1
Authority
DE
Germany
Prior art keywords
metallized
thermal insulation
bulges
tips
plastic
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
DE19641450940
Other languages
German (de)
Inventor
Jean Royet
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alcatel Lucent SAS
Original Assignee
Compagnie Generale dElectricite SA
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
Application filed by Compagnie Generale dElectricite SA filed Critical Compagnie Generale dElectricite SA
Publication of DE1450940A1 publication Critical patent/DE1450940A1/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K11/00—Methods or arrangements for graph-reading or for converting the pattern of mechanical parameters, e.g. force or presence, into electrical signal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B13/00—Bundling articles
    • B65B13/18—Details of, or auxiliary devices used in, bundling machines or bundling tools
    • B65B13/24—Securing ends of binding material
    • B65B13/26—Securing ends of binding material by knotting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/28—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with resilient valve members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/08—Means for preventing radiation, e.g. with metal foil
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C11/00—Use of gas-solvents or gas-sorbents in vessels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/001—Thermal insulation specially adapted for cryogenic vessels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C3/00—Vessels not under pressure
    • F17C3/02—Vessels not under pressure with provision for thermal insulation
    • F17C3/08—Vessels not under pressure with provision for thermal insulation by vacuum spaces, e.g. Dewar flask
    • F17C3/085—Cryostats
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/06—Walls
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C17/00—Monitoring; Testing ; Maintaining
    • G21C17/10—Structural combination of fuel element, control rod, reactor core, or moderator structure with sensitive instruments, e.g. for measuring radioactivity, strain
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
    • G21C3/02—Fuel elements
    • G21C3/04—Constructional details
    • G21C3/06—Casings; Jackets
    • G21C3/10—End closures ; Means for tight mounting therefor
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F7/00—Shielded cells or rooms
    • G21F7/06—Structural combination with remotely-controlled apparatus, e.g. with manipulators
    • G21F7/067—Transferring devices within cells or boxes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/04—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having negative temperature coefficient
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/03—Thermal insulations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0607—Coatings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0636—Metals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2201/00—Insulation
    • F25D2201/10—Insulation with respect to heat
    • F25D2201/12—Insulation with respect to heat using an insulating packing material
    • F25D2201/128—Insulation with respect to heat using an insulating packing material of foil type
    • F25D2201/1282—Insulation with respect to heat using an insulating packing material of foil type with reflective foils
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00—Chemistry: molecular biology and microbiology
    • Y10S435/8215—Microorganisms
    • Y10S435/911—Microorganisms using fungi
    • Y10S435/932—Paecilomyces
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
    • Y10T428/24281—Struck out portion type
    • Y10T428/24289—Embedded or interlocked
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31507—Of polycarbonate
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31678—Of metal

Description

DR. MÜLLER- BORE DIPL-INe. eRALFS H5094Q DIPL-PHYS. DR. MANITZ DIPL-CHEM. DR. DEUFEL DR. MÜLLER-BORE DIPL-INe. eRALFS H5094Q DIPL-PHYS. DR. MANITZ DIPL-CHEM. DR. DEUFEL

PATENTANWÄLTEPATENT LAWYERS

27. August 1968 Fi/Sch - 0 523August 27, 1968 Fi / Sch - 0 523

0OMPAGiTEE GENERALE D'ELEGTRIGITE ,· rue la Boetie, Paris 8, Frankreich0OMPAGiTEE GENERALE D'ELEGTRIGITE , Rue la Boetie, Paris 8, France

Vorrichtung zur thermischen IsolierungThermal insulation device

Die Erfindung betrifft eine Vorrichtung zur thermischen Isolierung, die insbesondere in einem zwischen thermisch zu isolierenden Wänden angeordneten Vakuumb ehält er verwendbar ist und aus einem Stapel dünner Folien oder Abschirmungen aus plaBtischem Material wie beispielsweise aus Äthylenpolyterephthalat aufgebaut ist, die auf einer Seite metallisiert sind, und zwar beispielsweise mit unter Vakuum aufgebrachtem Aluminium.The invention relates to a device for thermal Insulation, which can be used in particular in a vacuum arranged between walls to be thermally insulated and from a stack of thin foils or shields made of plastic material such as, for example Ethylenpolyterephthalat is built up on a Side are metallized, for example with aluminum applied under vacuum.

Eine derartige Vorrichtung wird insbesondere in der Kältetechnik verwendet. Bekanntlich erfolgt jede Wärmeübertragung auf folgende drei Arten:Such a device is used in particular in refrigeration technology. It is well known that all heat transfer occurs in the following three ways:

a) Festkörperleitung,a) solid state line,

b) Leitung und Konvektion im Gas,b) conduction and convection in gas,

c) Infrarotstrahlung. 9 0 9 8 1 6 / 0 U 2c) infrared radiation. 9 0 9 8 1 6/0 U 2

BAD ORIGINAL Neue UnUKtaoon BAD ORIGINAL New UnUKtaoon

Der Betrieb von Geräten, die bei einer beträchtlich von der Umgebungstemperatur verschiedenen Temperatur, insbesondere bei tiefer oder sehr tiefer Temperatur, wie der . Temperatur von flüssigem Stickstoff, Wasserstoff oder Helium arbeiten sollen, erfordert die Verwendung von Behältern, auf deren thermische Isolierung besondere Sorgfalt verwendet werden muß. Unter den Geräten, die bei diesen Temperaturen arbeiten können, können beispielsweise die elektrischen Wicklungen zur Erzeugung von starken magnetischen Feldern und die Stromtransformatoren mit kalten Wicklungen erwähnt werden, die auf sehr tiefe Temperaturen gebracht werden müssen, um die verbesserte elektrische Leitfähigkeit auszunutzen oder den Zustand der Superleitfähigkeit in den Wicklungen zu schaffen.The operation of equipment at a considerable rate of the ambient temperature different temperature, especially at low or very low temperature, such as the. Temperature of liquid nitrogen, hydrogen or helium to work requires the use of Containers that require special care to ensure that they are thermally insulated. Among the devices that come with These temperatures can work, for example, the electrical windings to generate strong magnetic fields and the current transformers with cold windings are mentioned, which operate at very low temperatures must be brought to take advantage of the improved electrical conductivity or the state to create superconductivity in the windings.

Die Wirtschaftlichkeit der bei tiefer Temperatur arbeitenden großen technischen Geräte hängt unmittelbar von dem thermischen Isolationswert bezüglich der Atmosphäre ab.The profitability of the large technical devices operating at low temperatures depends directly on this thermal insulation value with respect to the atmosphere.

Gegenwärtig bestehen die besten bekannten Isolierungen aus Stapeln von dünnen Metallabschirmungen oder metallisierten Kunststoffabschirmungen, die in einem möglichst hohen Vakuum zwischen den thermisch voneinander zu isolierenden Wänden angebracht sind. Bei dem für diese Isolationsart verwendeten Material handelt es sich im allgemeinen um einen Film vonCurrently, the best known insulation is made of Stacking thin metal shields or metallized plastic shields in as high a vacuum as possible are attached between the walls to be thermally insulated from one another. The one used for this type of insulation Material is generally a film of

9098 1 6/0 U2 bad c«S1nal9098 1 6/0 U2 bad c « S1 nal

auf einer Seite im Vakuum beispielsweise mit Aluminium metallisiertem Äthylen-Polyterephthalat oder noch einfacher um eine dünne Aluminiumfolie mit einem isolierenden Zwischenmittel wie beispielsweise Glaswolle.on one side in a vacuum, for example with aluminum metallized ethylene polyterephthalate or even simpler around a thin aluminum foil with an insulating intermediate such as glass wool.

Ziel der Erfindung ist die Schaffung einer Vorrichtung zur besonders wirksamen thermischen Isolierung, welche es ermöglicht, sowohl die Wärmeübertragung durch Leitung als auch die Wärmeübertragung durch Strahlung gleichzeitig auf den geringstaiöglichen Wert zu reduzieren.The aim of the invention is to create a device for particularly effective thermal insulation, which allows both the heat transfer by conduction as well as reducing the heat transfer through radiation to the lowest possible value at the same time.

Ausgehend von einer Vorrichtung der eingangs angeführtenStarting from a device of the type mentioned at the beginning

gemäß
Gattung wird diese Aufgabe/der Erfindung dadurch gelöst, daß die Folien mit pseudopyramidenarten Ausbuchtungen versehen sind und daß die Metallisierung in Höhe der Spitzen der Ausbuchtungen unterbrochen ist.according to
This object / the invention is achieved in that the foils are provided with bulges of the pseudo-pyramid type and that the metallization is interrupted at the level of the tips of the bulges.

Auf diese Weise werden zwischen den verschiedenen Folien quasi punktförmige Berührungsstellen erhalten. Die Ausbuchtungen in den Folien können durch eine unter Auafehnung erfolgende Verformung der Folien erhalten werden, wobei in diesem Falle die Unterbrechung der Metallisierung in Höhe der Spitzen der Pseudopyramiden direkt erhalten wird.In this way, quasi-punctiform contact points are obtained between the various foils. The bulges in the foils can be obtained by deforming the foils with expansion, in this case, the interruption of the metallization at the level of the peaks of the pseudopyramids is obtained directly will.

9 0 9 8 1 6 / 0 U 2 bad original9 0 9 8 1 6/0 U 2 bad original

U50940U50940

Wird ein pseudopyramidenformig ausgebildetes Relief auf eine einseitig metallisierte und gestreckte Kunststoffolie gedrückt, so wird eine Unterbrechung der metallisierten Schicht in Höhe der Spitzen der Pseudopyramiden erhalten, da die Elastizität dieser Schicht geringer ist als die der Kunststoffolie.A pseudopyramidal relief is created on a stretched plastic film that is metallized on one side is pressed, an interruption of the metallized layer at the level of the peaks of the pseudopyramids is created obtained because the elasticity of this layer is less than that of the plastic film.

Aufgrund der Unterbrechung der metallisierten Schicht werden bessere Wärmeisolierungsbedingungen erhalten, da eineteerührung Metall - Kunststoff durch eine Berührung Kunststoff - Kunststoff ersetzt wird.Due to the interruption of the metallized layer, better thermal insulation conditions are obtained, because a metal - plastic touch is replaced by a plastic - plastic touch.

Bei einer weiteren vorteilhaften AuBführungsform gemäß der Erfindung sind zumindest die Spitzen eines Teils der Pseudopyramiden durchbohrt. Diese Ausgestaltung erleichtert insbesondere die Erzeugung eines Vakuums in dem zur Aufnahme der Vorrichtung dienenden Behälter.In a further advantageous embodiment according to According to the invention, at least the tips of a part of the pseudopyramids are pierced. This design in particular facilitates the generation of a vacuum in the container used to hold the device.

Vorzugsweise ist die plastische Folie oder Kunststofffolie beidseitig metallisiert.The plastic film or plastic film is preferably metallized on both sides.

Weitere Einzelheiten und Vorteile der Erfindung werdenFurther details and advantages of the invention are provided

BADBATH

9 098 16 /OU 29 098 16 / OU 2

im folgenden anhand der Zeichnung erläutert; in dieser zeigt:explained below with reference to the drawing; in this shows:

Fig. 1 eine Schnittdarstellung einer metallisierten EunststoffcQLe oder eines metallisierten Kunstst of films, welche bzw. welcher mit Ausbuchtungen gemäß der Erfindung versehen ist, undFig. 1 is a sectional view of a metallized EunststoffcQLe or a metallized Kunstst of films, which or which with bulges according to the Invention is provided, and

Fig. 2 eine perspektivische Darstellung des Kunststoffilms nach Fig. 1.Fig. 2 is a perspective view of the plastic film according to Fig. 1.

In den Figuren 1 und 2 ist mit der Bezugsziffer 1 ein Kunststoffilm bezeichnet, bei dem es sich insbesondere um einen Film aus Äthylenpolyterephthalat oder einem beliebigen anderen Material mit- ähnlichen Eigenschaften handeln kann. Der Film besitzt eine Stärke zwischen 2 und 50 Mikron und ist wenigstens auf einer Seite mit einer im Vakuum aufgebrachten Metallschicht, z.B. mit einer Aluminiumschicht mit einer Stärke zwischen 100 und 1000 Angström, versehen. Die feine Haut des abgelagerten Metalls ist mit 2 bezeichnet.In Figures 1 and 2, the reference number 1 is a Plastic film referred to, which is in particular a film made of ethylene polyterephthalate or a any other material with similar properties can act. The film has a thickness between 2 and 50 microns and is on at least one side with a vacuum deposited metal layer, e.g. an aluminum layer between 100 and 1000 Angstroms thick. The fine skin of the deposited Metal is denoted by 2.

Durch geeignetes Walzen wird in den Firn ein Relief , bzw. Ausbuchtungen eingepreßt, die beispielsweise aus Pseudopyramiden 3 oder Fseudokegeln bestehen. DieseA relief is created in the firn by suitable rolling, or indentations pressed in, which consist, for example, of pseudopyramids 3 or fseudo-cones. These

909816/0U2909816 / 0U2

Pyramiden oder Kegel, deren Basisabmessungen in der Größenordnung von einem Quadratmillimeter ligen, weisen eine Höhe in der Größenordnung von einem Millimeter oder leicht darunter auf und sind insbesondere schachbrettförmig angeordnet.Pyramids or cones, the base dimensions of which are on the order of one square millimeter, have a Height on the order of a millimeter or slightly below and are in particular checkerboard-shaped arranged.

Die Metallisierungsschicht 2 ist in Höhe der Spitzen der Pseudopyramiden 3 unterbrochen. DieaeUnterbrechung kann dabei in der bereits beschriebenen Weise beim Walzen selbst erhalten werden.The metallization layer 2 is interrupted at the level of the tips of the pseudopyramids 3. The interruption can be obtained in the manner already described during the rolling itself.

Die Kunststoffolie 1 kann in Höhe bestimmter Spitzen der Pseudopyramiden 3 durchbohrt sein. Auch diese Durchbrechung kann beim Walzen durch geeignete Regelung erhalten werden.The plastic film 1 can amount to certain peaks of the Pseudopyramids 3 to be pierced. This opening can also be obtained by suitable regulation during rolling will.

Die auf diese Weise erhaltenen Filme oder Abschirmungen werden aufeinanderge stapelt und bJLden so ein Polster, das in einem Vakuumbehälter angeordnet wird, der sich zwischen den thermisch zu isolierenden Wänden befindet.The films or shields obtained in this way are stacked on top of one another and form a cushion that is placed in a vacuum container, which is located between the walls to be thermally insulated.

Aufgrund ihres Aufbaus besitzen die Pyramiden- oder Kegelspitzen, welche die Berührungspunkte zwischen den aufeinanderfolgenden Abschirmungen in dem Isolierpolster bilden, eine äußerst geringe Pestkörper-Wärmeleitfähigkeit. DarausDue to their structure, the pyramids or cones have the points of contact between the successive ones Form shields in the insulating pad, an extremely low pest body thermal conductivity. From it

909816/0142909816/0142

folgt, daß der aus dem Kunststoffilm mit den eingepreßten Ausbuchtungen gebildete Isolationskörper ausgezeichnete Eigenschaften besitzt« Die metallisierte Kunststoffolie gemäß der Erfindung kann ebenfalls in Form einer kontinuierlichen Wicklung verwendet werden.it follows that the one from the plastic film with the pressed-in Insulation body formed by bulges has excellent properties «The metallized plastic film according to the invention can also be used in the form of a continuous winding.

Gemäß einer Besonderheit der Erfindung ist die verwendete Kunststoffolie, die beispielsweise aus Äthylenpolyterephthalat besteht, durch Metallisierung in Vakuum beidseitig mit einer Metallschicht, z.B. mit Aluminium überzogen. Dadurch wird in Höhe der Spitzen der 'Pseudopyramiden bei der Schichtung der Abschirmungen eine Kunst st off-Metall-Berührung geschaffen, aber dieser Nachteil wird vorteilhafterweise dadurch kompensiert, daß elektrostatische Oberflächenaufladungen, die im Falle einer einseitigen Metallisierung vorhanden sind, beseitigt werden.According to a special feature of the invention, the plastic film used is made, for example, of ethylene polyterephthalate consists of metallization in a vacuum on both sides with a metal layer, e.g. coated with aluminum. This will At the level of the tips of the pseudopyramids, a plastic-off metal contact was created when the shields were layered, but this disadvantage is advantageously compensated by the fact that electrostatic surface charges, which are present in the case of one-sided metallization, can be eliminated.

Außerdem werden die zwischen aufeinanderfolgenden Abschirmungen vorhandenen elektrostatischen Anzugskräfte beseitigt, so daß keine Gefahr besteht, daß die punktförmig en Berührungsstellen zerdrückt werden. Überdies verbessert die beidseitige Metallisierung die Reflexion zwischen zwei aufeinanderfolgenden Flächen, was sich in einer besseren Innenqualität des Polsters äußert* Schließlich wird in diesem Fälle eine Verringerjtfung der Entgasung des Kunst st off materials erreicht.In addition, the electrostatic attraction forces between successive shields are eliminated, so that there is no risk of the point-like contact points being crushed. It also improves the bilateral Metallization is the reflection between two consecutive surfaces, resulting in a better interior quality of the upholstery expresses * Finally, in this case a reduction in the degassing of the plastic material is achieved.

Λ A Λ - Patentansprüche - Λ A Λ - claims -

909816/0U2909816 / 0U2

Claims (2)

PatentansprücheClaims U5094QU5094Q / 1 . yVorrichtung zur thermischen Isolierung, die insbesondere in einem zwischen thermisch zu isolierenden Wänden angeordneten Vakuumbehälter verwendbar ist und aus einem Stapel dünner Folien ocLer Abschirmungen aus plastischem Material wie beispielsweise aus Äthylenpolyterephthalat aufgebaut ist, die auf einer Seite metallisiert sind, und zwar beispielsweise mit unter Vakuum aufgebrachtem Aluminium, dadurch gekennzeichnet , daß die Folien (1) mit pseudopyramidenartigen Ausbuchtungen (3) versehen sind und daß die Metallisierung (2) in Höhe der Spitzen der Ausbuchtungen unterbrochen ist./ 1 . yDevice for thermal insulation, in particular can be used in a vacuum container arranged between walls to be thermally insulated and from a stack thin foils or shields made of plastic material such as ethylene polyterephthalate is constructed, which are metallized on one side, for example with applied under vacuum Aluminum, characterized in that the foils (1) are provided with pseudo-pyramidal bulges (3) and that the metallization (2) is in height the tips of the bulges is interrupted. 2. Vorrichtung nach Anspruch 1, dadurch gekennzei chn e t , daß zumindest die Spitzen eines Teils der PseudopyramicLen (3) durchbohrt sind.2. Apparatus according to claim 1, characterized in that at least the tips of a portion of the pseudopyramics (3) are pierced. 3· Vorrichtung nach Anspruch 1 und/oder 2, dadurch gekennzeichnet , daß die plastische FcüLe beidseitig metallisiert ist.3 · Device according to claim 1 and / or 2, characterized in that the plastic surface is metallized on both sides. Neue Unterlagen (Art. 7 § l Abs. 2 Nr. l Satz 3 des Änderunssoes. v. 4. 9.New documents (Art. 7, Paragraph 1, Paragraph 2, No. 1, Clause 3 of the amendment from 4. 9. 909816/01 42909816/01 42
DE19641450940 1963-09-18 1964-09-18 Thermal insulation device Pending DE1450940A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR947900A FR1378150A (en) 1963-09-18 1963-09-18 Thermal insulation device
FR983456A FR86199E (en) 1963-09-18 1964-07-29 Thermal insulation device
FR9009A FR87548E (en) 1963-09-18 1965-03-12 Thermal insulation device

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DE1450940A1 true DE1450940A1 (en) 1969-04-17

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DE19641450940 Pending DE1450940A1 (en) 1963-09-18 1964-09-18 Thermal insulation device
DE19661500676 Pending DE1500676A1 (en) 1963-09-18 1966-01-24 Thermal insulation device

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US (1) US3354021A (en)
BE (2) BE651986A (en)
CH (3) CH435892A (en)
DE (2) DE1450940A1 (en)
FR (3) FR1378150A (en)
GB (2) GB1072806A (en)
LU (2) LU46801A1 (en)
NL (2) NL6410760A (en)
SE (2) SE309886B (en)

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GB1072806A (en) 1967-06-21
DE1500676A1 (en) 1969-03-06
FR87548E (en) 1966-06-24
CH435892A (en) 1967-05-15
BE677539A (en) 1966-09-09
LU50607A1 (en) 1967-09-11
NL6602910A (en) 1966-09-13
SE334783B (en) 1971-05-03
CH431213A (en) 1967-02-28
SE309886B (en) 1969-04-08
US3354021A (en) 1967-11-21
BE651986A (en) 1965-02-19
CH453826A (en) 1968-03-31
FR86199E (en) 1965-12-24
GB1099445A (en) 1968-01-17
LU46801A1 (en) 1966-02-22
FR1378150A (en) 1964-11-13
NL6410760A (en) 1965-03-19

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