DE10059453A1 - Production of evacuated insulating elements, e.g. structural panels for refrigerators, involves enclosing rigid foam core or support in airtight foil, bonding core or support to foil with adhesive and evacuating foil - Google Patents

Production of evacuated insulating elements, e.g. structural panels for refrigerators, involves enclosing rigid foam core or support in airtight foil, bonding core or support to foil with adhesive and evacuating foil

Info

Publication number
DE10059453A1
DE10059453A1 DE10059453A DE10059453A DE10059453A1 DE 10059453 A1 DE10059453 A1 DE 10059453A1 DE 10059453 A DE10059453 A DE 10059453A DE 10059453 A DE10059453 A DE 10059453A DE 10059453 A1 DE10059453 A1 DE 10059453A1
Authority
DE
Germany
Prior art keywords
foil
support
core
adhesive
rigid foam
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.)
Granted
Application number
DE10059453A
Other languages
German (de)
Other versions
DE10059453B4 (en
Inventor
Hans Bommer
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.)
PUREN SCHAUMSTOFF GmbH
Original Assignee
PUREN SCHAUMSTOFF 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
Application filed by PUREN SCHAUMSTOFF GmbH filed Critical PUREN SCHAUMSTOFF GmbH
Priority to DE10059453A priority Critical patent/DE10059453B4/en
Publication of DE10059453A1 publication Critical patent/DE10059453A1/en
Application granted granted Critical
Publication of DE10059453B4 publication Critical patent/DE10059453B4/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/162—Selection of materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • 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
    • B32B5/00—Layered 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
    • B32B5/18—Layered 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 of foamed material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/14—Manufacture of cellular products
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, 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
    • E04B1/78—Heat insulating elements
    • E04B1/80—Heat insulating elements slab-shaped
    • E04B1/803—Heat insulating elements slab-shaped with vacuum spaces included in the slab
    • 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
    • F16L59/06—Arrangements using an air layer or vacuum
    • 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
    • F16L59/06—Arrangements using an air layer or vacuum
    • F16L59/065—Arrangements using an air layer or vacuum using vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/727—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being porous, e.g. foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • B29K2105/045—Condition, form or state of moulded material or of the material to be shaped cellular or porous with open cells
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0012—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular thermal properties
    • B29K2995/0015—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0065—Permeability to gases
    • B29K2995/0067—Permeability to gases non-permeable
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00—Foam properties
    • C08G2110/0025—Foam properties rigid
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/24—Structural elements or technologies for improving thermal insulation
    • Y02A30/242—Slab shaped vacuum insulation
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
    • Y02B80/10—Insulation, e.g. vacuum or aerogel insulation

Abstract

A method for the production of evacuated insulating elements with a core or supporting part (preferably of rigid, open-cell foam) enclosed in an airtight, evacuated foil, in which the foil is bonded with the core or supporting part by means of an adhesive.

Description

Die Erfindung betrifft ein Verfahren nach dem Oberbegriff des Anspruchs 1.The invention relates to a method according to the preamble of claim 1.

Ein derartiges Herstellungsverfahren ist vielfach bekannt, beispielsweise aus WO 99/61503. Das Kern- bzw. Stützteil dieses bekannten Dämmelementes besteht hier aus pulverförmigem oder festem Stützmaterial und ist mit einer Vakuumfolie umhüllt. Geht das Vakuum bzw. der Unterdruck durch Verletzung der Folie oder aus sonstigen Gründen verloren, so liegt oder flattert die Folie lose auf dem Stützteil. Abgesehen von einer drastischen Verschlechterung der Dämmleistung durch den Verlust des Vakuums verliert dabei das Dämmelement auch meist die stützende oder konstruktive Eigenschaft. Auch beim Einbringen des Dämmelements in einen weiteren Sandwichaufbau würde beim Verlust des Vakuums der innige Verbund des Sandwichaufbaus verloren gehen und die Gefahr bestehen, daß das Dämmelement ausbaucht oder auseinanderfällt. Die durch bekannte Verfahren hergestellten evakuierten Dämmelemente sind daher nur sehr begrenzt anwendbar, nämlich als reines Einlegeteil in ein Gehäuse, wie beispielsweise das Gehäuse eines Kohlschranks.Such a manufacturing process is widely known for example from WO 99/61503. The core or support part of this known insulation element consists of powder or solid support material and is covered with a vacuum film. Does the vacuum or vacuum go through injury to the film or lost for other reasons, then lies or flutters Loose film on the support part. Except for a drastic one The insulation performance deteriorates due to the loss of the Vacuum the insulation element usually loses the supporting one or constructive property. Even when introducing the Insulation elements in a further sandwich structure would be used Loss of vacuum the intimate bond of the sandwich structure get lost and there is a risk that the insulation element bulges or falls apart. By known methods Evacuated insulation elements produced are therefore only very limited use, namely as a pure insert in one Housing, such as the housing of a cabbage cupboard.

Der Erfindung liegt daher die Aufgabe zugrunde, ein Herstel­ lungsverfahren für ein derartiges evakuiertes Dämmelement zu schaffen, das auch bei Verlust des Vakuums seine Stützeigen­ schaft weitgehend aufrechterhält und daher sehr vielseitig als konstruktives Element einsetzbar ist.The invention is therefore based on the object, a manufacturer Development process for such an evacuated insulation element create that its support even when the vacuum is lost shaft largely maintained and therefore very versatile can be used as a constructive element.

Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruchs 1 gelöst. Durch die kraftschlüssige Verklebung des vorzugsweise aus Hartschaum bestehenden Stützteiles mit der dieses umschließenden Folie wird sichergestellt, daß die konstruktive Festigkeit des Dämmelements auch bei Verlust des Vakuums weitgehend erhalten bleibt.This object is achieved by the features of Claim 1 solved. Due to the non-positive bonding of the  preferably made of rigid foam support part with the this enclosing film ensures that the constructive strength of the insulation element too largely remains when the vacuum is lost.

Die Unteransprüche sind auf vorteilhafte Ausgestaltungen des erfindungsgemäßen Verfahrens gerichtet. Die Ansprüche 2 und 3 betreffen die Anwendung und Form des Klebers, während die Ansprüche 4 und 5 auf die Ausbildung des Dämmelements als plattenförmiges Element, als sogenanntes Paneel, und insbesondere dessen Verklebung mit weiteren Materialien zu einem Sandwich-Aufbau, gerichtet sind. Die Ansprüche 6 bis 8 befassen sich mit der Wahl bevorzugter Materialien und die Größe des anzuwendenden Unterdrucks bei der Vakuumausbildung.The subclaims relate to advantageous embodiments of the directed method according to the invention. Claims 2 and 3 concern the application and shape of the adhesive while the Claims 4 and 5 on the design of the insulation element as plate-shaped element, as a so-called panel, and especially its gluing with other materials a sandwich structure. Claims 6 to 8 deal with the choice of preferred materials and the Size of the vacuum to be used in vacuum formation.

Claims (8)

1. Verfahren zur Herstellung eines evakuierten Dämmelements, bestehend aus einem Kern- bzw. Stützteil vorzugsweise aus offenzelligem Hartschaumstoff und einer dieses Teil luftdicht umschließenden Folie, deren Inneres evakuiert wird, dadurch gekennzeichnet, daß die Folie mit dem Kern- bzw. Stützteil mittels eines Klebers kraftschlüssig verbunden wird.1. A method for producing an evacuated insulation element, consisting of a core or support part preferably made of open-cell rigid foam and an airtightly enclosing this part, the interior of which is evacuated, characterized in that the film with the core or support part by means of an adhesive is non-positively connected. 2. Verfahren nach Anspruch 1, dadurch gekenn­ zeichnet, daß der Kleber ein dauerfester Kleber ist, der entweder in pastöser Form oder in Form einer aktivierbaren Folie aufgebracht wird.2. The method according to claim 1, characterized records that the adhesive is a permanent adhesive is either in pasty form or in the form of a activatable film is applied. 3. Verfahren nach Anspruch 1 oder 2, dadurch ge­ kennzeichnet, daß der Kleber vor dem Evakuieren aufgebracht wird.3. The method according to claim 1 or 2, characterized ge indicates that the glue before evacuation is applied. 4. Verfahren nach einem der vorangehenden Ansprüche, da­ durch gekennzeichnet, daß das Dämmelement als Paneel geformt wird.4. The method according to any one of the preceding claims, since characterized by that Insulating element is shaped as a panel. 5. Verfahren nach Anspruch 4, dadurch gekenn­ zeichnet, daß das Paneel mit weiteren Materialien zu einem Sandwichaufbau verklebt wird.5. The method according to claim 4, characterized records that the panel with other materials is glued to a sandwich structure. 6. Verfahren nach einem der vorangehenden Ansprüche, da­ durch gekennzeichnet, daß das Kern- oder Stützteil aus Polyurethan-Hartschaum oder einem mit Urethan modifiziertem Polyisocyanurat-Hartschaum besteht. 6. The method according to any one of the preceding claims, since characterized in that the core or Support part made of rigid polyurethane foam or one with Urethane modified polyisocyanurate rigid foam.   7. Verfahren nach Anspruch 6, dadurch gekenn­ zeichnet, daß der Hartschaum eine Dichte von mehr als 40 kg/m3 besitzt.7. The method according to claim 6, characterized records that the rigid foam has a density of more than 40 kg / m3. 8. Verfahren nach einem der vorangehenden Ansprüche, da­ durch gekennzeichnet, daß zum Evakuieren ein Druck von höchstens 10 bar angewendet wird.8. The method according to any one of the preceding claims, since characterized by that for evacuation a pressure of at most 10 bar is used.
DE10059453A 2000-11-30 2000-11-30 Method for producing an evacuated insulating element Expired - Fee Related DE10059453B4 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE10059453A DE10059453B4 (en) 2000-11-30 2000-11-30 Method for producing an evacuated insulating element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10059453A DE10059453B4 (en) 2000-11-30 2000-11-30 Method for producing an evacuated insulating element

Publications (2)

Publication Number Publication Date
DE10059453A1 true DE10059453A1 (en) 2002-06-06
DE10059453B4 DE10059453B4 (en) 2009-12-31

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10239371B3 (en) * 2002-08-28 2004-05-19 Puren-Schaumstoff Gmbh Insulation for a solar energy collector under a glass cover has a hard foam core with a metal foil lamination to withstand high temperatures without gassing
EP1500752A2 (en) 2003-07-22 2005-01-26 Sto Ag Insulating element and heat insulation system
WO2012159983A1 (en) 2011-05-25 2012-11-29 Niemoeller Gerd Honeycomb element for insulating
US10336040B2 (en) 2014-09-25 2019-07-02 Basf Se Method for manufacturing a composite element for vacuum insulation elements

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9314556D0 (en) * 1993-07-14 1993-08-25 Ici Plc Rigid polyurethane foams
DE19833566A1 (en) * 1997-07-29 1999-02-04 Univ Dresden Tech Gas-filled or evacuable thermal insulation body
AU4035699A (en) * 1998-05-22 1999-12-13 Huntsman Ici Chemicals Llc Evacuated insulation panels
DE19906774A1 (en) * 1999-02-17 2000-08-24 Gerhard Klaus Hering Heat insulation element comprises a honeycomb structure (1) which is under vacuum, and is surrounded on all sides with a cover (3) impermeable to gases
DE19915311A1 (en) * 1999-04-03 2000-10-05 Bayer Ag Vacuum insulating panel, especially for refrigerators, has a microporous core encased in a 7-layer plastic foil with a polyolefin sealing layer, a gas barrier, a polyolefin layer and a metallised polymer layer

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10239371B3 (en) * 2002-08-28 2004-05-19 Puren-Schaumstoff Gmbh Insulation for a solar energy collector under a glass cover has a hard foam core with a metal foil lamination to withstand high temperatures without gassing
EP1500752A2 (en) 2003-07-22 2005-01-26 Sto Ag Insulating element and heat insulation system
DE10333299B4 (en) * 2003-07-22 2006-02-16 Sto Ag thermal insulation system
WO2012159983A1 (en) 2011-05-25 2012-11-29 Niemoeller Gerd Honeycomb element for insulating
DE102011050632A1 (en) 2011-05-25 2012-11-29 Gerd Niemöller Honeycomb element for insulation
US10336040B2 (en) 2014-09-25 2019-07-02 Basf Se Method for manufacturing a composite element for vacuum insulation elements

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Representative=s name: DAUB, THOMAS, DIPL.-ING., DE

Representative=s name: THOMAS DAUB, DE

Representative=s name: THOMAS DAUB, 88662 UEBERLINGEN, DE

R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee