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WO2005090698A1 - Vacuum insulation panel and method for the production thereof - Google Patents

Vacuum insulation panel and method for the production thereof

Info

Publication number
WO2005090698A1
WO2005090698A1 PCT/EP2005/002807 EP2005002807W WO2005090698A1 WO 2005090698 A1 WO2005090698 A1 WO 2005090698A1 EP 2005002807 W EP2005002807 W EP 2005002807W WO 2005090698 A1 WO2005090698 A1 WO 2005090698A1
Authority
WO
Grant status
Application
Patent type
Prior art keywords
panel
insulation
frame
vacuum
profile
Prior art date
Application number
PCT/EP2005/002807
Other languages
German (de)
French (fr)
Inventor
Hans-Frieder Eberhardt
Peter Stubner
Michael Mair
Original Assignee
Porextherm Dämmstoffe 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

Links

Classifications

    • 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
    • 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
    • E04B1/803Heat insulating elements slab-shaped with vacuum spaces included in the slab
    • Y02A30/242
    • Y02A30/243
    • 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BINDEXING SCHEME RELATING TO CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. INCLUDING HOUSING AND APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B80/00Architectural or constructional elements improving the thermal performance of buildings
    • Y02B80/10Insulation
    • Y02B80/12Slab shaped vacuum insulation
    • 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BINDEXING SCHEME RELATING TO CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. INCLUDING HOUSING AND APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B80/00Architectural or constructional elements improving the thermal performance of buildings
    • Y02B80/10Insulation
    • Y02B80/14Slab shaped aerogel insulation

Abstract

The invention relates to a vacuum insulation panel comprising a gas-tight barrier film for enveloping an insulating core (2) which especially consists of microporous silicic acid, an aerogel, or open-pored material, and to a method for the production thereof. Said vacuum insulation panel is characterised in that a frame (4) having a U-shaped profile and comprising limbs (4a, 4b) surrounding at least one lateral edge is clamped to the at least one lateral edge of the vacuum insulation panel (1).

Description

Vacuum insulation panel and method of manufacturing the

The invention relates to a vacuum insulation panel according to the pre-characterizing features of claim 1 and a method for its production.

Such vacuum insulation panels (VIP) are described in 102 26 188 A1, for example, in DE and are offered with different heat insulation bodies and various barrier films envelopes, in particular of thermally sealable plastic film. However, these embodiments have the disadvantage that damage to the VIP enclosure, the vacuum is lost, causing the outstanding heat insulation characteristics of the VIP impacted. Damage occur most likely at the edges and corners of the VIPs. Often these are caused by improper use by, for example, the VIP is turned hard on the corner.

Another problem posed by the wrap it of the film flaps in dimensional stability is. If the tabs adhered to the panel, it may cause changes in dimension of the three dimensions of the vacuum insulation panel, which the end user (for example, when Fassadenbau) significant problems in fitting the vacuum insulation panel can prepare in a predefined space. In addition, a precise wrap it of the tabs is complex and therefore expensive.

Accordingly, the invention has for its object to improve the dimensional accuracy and stability of a vacuum insulation panel, such a vacuum insulation panel to be produced in a simple and cost-effective manner.

These objects are achieved with a vacuum insulation panel according to the features of claim 1 and a method for its manufacture in accordance with the features of claim 14. Preferred embodiments are subject of the subclaims.

To protect the vacuum insulation panel to mechanical damage of the barrier film, is applied to the panel to a framework in the form of a U profile, which also guarantees the desired dimensional stability clamped at least one side edge or clipped on. This knifes or clipping is easy to perform and thus leads to low production costs. Further characterized the connection between the frame and the vacuum insulation panel is detachable, which is in particular very advantageous in inaccuracies or other problems in the positioning, because a new, improved or corrected positioning in (re) adjustment of the frame can then be made ,

An expedient embodiment of the invention is, for example, a U-profile made of hard plastic, which delimits after evacuation of the vacuum insulation panel to the side edges of the insulating core is pushed onto the panel. Here, the U-profile can also, if desired, be additionally secured against slipping off by means of an adhesive, thermal bonding and / or a mechanical or thermal clamping of the vacuum insulation panel.

It is preferable to form the frame piece and herumzubiegen it around the vacuum insulation panel. For this purpose, before being bent in the corner areas corresponding recesses, for example by punching, preferably in a triangular shape is formed to bend the U-profile and better without Materialauswölbungen. However, the frame profile can alternatively be in several parts and designed so that the frame parts are in contact blunt; but in the corner regions of the profile frame can be cut and mitred. It can be seen that both single profiles as well as an extruded profile to form the frame are possible.

In order to reduce logistical effort to provide different profile thicknesses at a plurality of different vacuum insulation panel thicknesses, a convenient solution is to first form the edge profile in L-shape, and then the projecting leg by means of thermal molding, or other molding methods to the particular thickness of panel adapt.

If the vacuum insulation panels with casings which have a seam, is made, it may be sufficient completely to ensure the protection of the end faces with flat profiles. These may for example by means of an adhesive connection to the side edges, namely laughing be attached to the two P-VI Stirnf.

The frame profiles are preferably made of foamed or injection-molded plastics, so as to minimize adequately protected the edges and corners of the heat flux caused by the frame profile about this. For this reason, it is also advantageous if the thickness of the frame profile is selected as thin as possible with its legs. In addition, it may be advantageous to break the frame profile by punched along the side edges of the vacuum insulation contacting surface.

For an even further protection of the vacuum insulation panel over its edges and corners addition, the frame with its legs can be completely or at least substantially extending over the whole vacuum insulation panel, particularly with smaller base areas. Either the leg of the frame sections can be extended in such a way that the whole vacuum insulation panel is surrounded by the frame profiles or frame profiles fix a protective plate on the upper and / or lower side (flat side) of the vacuum insulation panel.

The protective plates on the top and / or bottom of the vacuum insulation panel can be made of cardboard-like or metallic materials, of plastics, of foamed materials, woven, etc.. These protection plates can also be attached to the legs of the frame according to the invention, of course, with the possibly resulting cavity between the protective plate and the vacuum insulation panel then, optionally, with a filler (eg Schaumviies) can be filled. Further alternatively, a smooth protective plate or a stepped protective plate be attached directly to the vacuum insulation panel also in weaned at the edge plates. Here, the difference in height between the vacuum insulation panel surface and the upper edge of the frame profile can be balanced so that no more sales exists. Thus, it is according to the invention also possible to give the height leveling form at least one protective plate, so that the height difference between the vacuum insulation panel and the upper edge of the frame profile is completed.

Below several embodiments are explained in detail with reference to the not to scale, and non-limiting drawings. Show it:

Fig. 1 to 5 different variants of the edge design of an inventive vacuum insulation panel, in cross section, and

Fig. 6 shows a preferred embodiment with respect to the scope of the invention

Vacuum insulation panel in plan view.

In Fig. 1, a vacuum insulation panel 1 is schematically shown having a predetermined thickness (see FIG. Double-headed arrow) of, for example 2 cm has and an here gray indicated insulating core 2 from evacuated, open cell materials (particularly microporous silica or the like.) is formed with film wrapping or barrier film. 3 This barrier film 3 is provided for example in the region of the side edges with a sealing seam, as is indicated by the Waagrechtpfeil. In order to protect the panel 1 against mechanical damage of the barrier film 3, (3 see Fig..) Is applied to at least two side edges (shown here only one) a cross-sectionally U-shaped frame 4 with two limbs 4a, 4b laid, which is also the desired dimensions ensures. A preferred embodiment of the frame 4 is, for example, a U-shaped profile made of rigid plastic, in particular PVC, which at the insulating core is slid 2-limiting side edges on the panel 1 or clamped or clipped to the evacuation of the insulation panel. 1 In this case the U-profile of the frame 4 by means of an adhesive, thermal bonding and / or a mechanical or thermal clamping of the vacuum insulation panel 1 can be additionally secured against slipping off. To compensate for the height difference in the edge region, this may be designed with a thickness which is reduced with respect to the direction indicated by the double arrow thickness, so that the legs 4a and / or run 4b of the frame rather flush with the flat side.

In the corner regions between the side edges of the strips usually four profiles of the frame 4 can be preferably mitered. However, the frame 4 can also be designed such that the frame parts pushed into the corners butt. In addition, the use of an extruded profile to form the frame 4 is possible.

In FIG. 2, an embodiment of the frame 4 is shown to reduce the effort for providing various frame thicknesses at different thicknesses of the vacuum insulation panels 1. In this case, an appropriate solution (sheet see arrow.) Or by other forming methods of the respective panel thickness (see double arrow.) Is to form first (as seen in cross section) to the frame 4 in L-shape, and then the projecting leg 4a to bend by means of thermal shaping to adapt ,

Be prepared by wrapping foils 3, the vacuum insulation panels 1 having a seam, so it can suffice entirely to provide the frame 4 only at the two end sides with the transverse seams. This can in fact be fixed to the two end faces of VIP after the knifes optionally additionally by means of an adhesive connection to the side edges. The frame profiles are preferably made of foamed or injection-molded plastics, so as to minimize adequately protected the edges and corners of the heat flux caused by the frame. 4 For this reason it is also advantageous if the material thickness of the frame 4 with its legs 4a and 4b as thin as possible is selected. For an even further protection of the vacuum insulation panel 1 over its edges and corners addition, the frame 4 can extend completely or at least largely with its legs 4a and 4b over the whole vacuum insulation panel 1, particularly with smaller base areas. In this case, either the legs 4a, are extended 4b of the frame 4, so that the overall vacuum insulation panel 1 is enclosed by the frame 4, or the frame profiles fix a protective plate 5 on the upper and / or lower side (flat side) of the vacuum insulation panel 1, as shown in Fig. 3.

These two flat sides shown in Fig. 3 of protection plates 5, so at the top and / or bottom of the vacuum insulation panel 1, generally consist of plastics or encased in foam materials or tissues. These are here under the legs 4a, 4b of the frame 4 clamped which may have also pointing to the right, side extensions connecting to other panels 1 thereto. This can be done in planar manner, but also in an angled orientation, as indicated by dash-dotted lines, for example, to enclose a container in the manner of a polygon.

The protective plates 5 may also be attached to the legs 4a, 4b of the frame 4, as shown in Fig. 4, wherein the possibly resulting cavity between the protective plate 5 and vacuum insulation panel 1 with a filler 6 (eg Schaumviies) can be replenished. Alternatively can be attached directly to the vacuum insulation panel 1 also has a stepped protective plate 5 ', as shown in Fig. 5. In this case, the difference in height between the surface of the vacuum insulation panel 1 and the upper edge of the frame 4, here the upper leg, be balanced with 5 to give the protective plate 'is an altitude compensating shape so that the height difference between the vacuum insulation is filled panel 1 and the upper edge of the frame. 4

In FIG. 5, also a lateral extension of the frame 4 is shown to form, for example as an eyelet holder 7. This can also be designed complementary, for example as a dovetail groove or multiple-groove in which a seal between two frames 4 of adjacent panels 1 can be inserted. This holder 7 is preferably formed integrally with the profile of the frame 4, for example as an extruded profile, so that no substantial additional costs for this additional function.

Fig. 6 shows in plan view a preferred embodiment of the inventive vacuum insulation panel, wherein the frame 4 with the limbs 4a, 4b (only one is visible legs 4a) is formed from a single piece of frame profile. The frame 4 has in its four corner regions, a respective recess 8 in the legs 4a, 4b, which facilitates the bending of the frame profile by 90 °. The top left and bottom right large recesses are displayed differently in each of which a gap remains while the recesses located at the bottom left and top right are sized so that no gap is visible.

An easily understood considering Fig. 6 preferred method for producing the vacuum insulation panel 1 according to the invention is that firstly an extruded profile is cut to a length which is less than or equal to the circumference of the covered with the barrier film 3 insulating core 2, so of the "naked" vacuum insulation panel 1 without a frame 4, is. Thereafter, recesses 8 are formed in those areas of the cut frame 4, which are provided as corner regions of the finished vacuum insulation panel 1. Subsequently, the frame 4 is attached to a side edge of the barrier film 3 coated insulating core 2 and bent (or vice versa, the wrapped with the barrier sheet 3 insulating core 2 inserted into the frame 4) at the corners so that the frame 4, finally, at least all the corners and preferably all side edges enclosing (up to, if necessary, the joint of the two ends of the frame 4) of the coated with the barrier film 3 insulating core. 2

In the figures, only rectangular panels were prepared. However, it goes without saying that the invention can also be used in other forms such as in a triangular, hexagonal or octagonal panels.

Thus, in summary, the following advantages:

- Protection of the corners and edges of a vacuum insulation panel or the entire vacuum insulation panel from mechanical damage;

- Guaranteed dimensional accuracy of the thermal insulation element;

- Cost-intensive wrap it of the panel plates can be eliminated - thus also the connecting frame panel is releasably, which is very advantageous in particular when positioning inaccuracies for a re-positionable;

- possibility of the customer, the frame of the vacuum insulation panel - for example, as a spacer - to be integrated in the overall structure (for example, a facade element in the building industry), so that a time-saving installation, and thus results in an economical solution for the consumer.

Claims

claims:
1. Vacuum insulation panel with a gas-tight barrier film (3) for wrapping an insulating core (2), in particular of microporous silica airgel or open cell material, characterized in that on at least one side edge of the vacuum insulation panel (1) a frame (4) consists of a U-profile with the at least one side edge embracing legs (4a, 4b) is clamped.
2. Vacuum insulation panel according to claim 1, characterized in that the frame (4) at the edges of the vacuum insulation panel (1) is additionally adhered.
3. Vacuum insulation panel according to claim 1 or 2, characterized in that the frame (4) at least all the corner portions of the vacuum insulation panel (1), preferably substantially the entire circumference of the vacuum insulation panel (1) enclosing.
4. Vacuum insulation panel according to claim 3, characterized in that the frame (4) is integrally formed, wherein (4a, 4b) provided in the legs in the corner recesses (8) for improving the bending ability of the frame (4) are.
5. Vacuum insulation panel according to any one of claims 1 to 3, characterized in that the frame (4) comprises a plurality of individual parts which are cut or formed in the corner area on miter blunt contiguous.
6. Vacuum insulation panel according to any one of claims 1 to 5, characterized in that the frame (4) consists of an L-profile, the projecting limb (4a) thermally or by deformation to a flat side of the vacuum insulation panel (1) is applied.
7. Vacuum insulation panel according to any one of claims 1 to 6, characterized in that on the top and / or bottom of the vacuum insulation panel (1) protection plates (5) are arranged, which (in or on the frame 4) are mounted.
8. Vacuum insulation panel according to any one of claims 1 to 7, characterized in that the legs (4a, 4b) of the frame (4) the top and / or bottom of the vacuum insulation panel (1) completely or at least cover extensively.
9. Vacuum insulation panel according to claim 7, characterized in that the protective plates (5) in the frame (4) while the legs (4a, 4b) are clamped.
10. Vacuum insulation panel according to claim 7, characterized in that the protective plates (5) on the legs (4a, 4b) of the frame (4) fixed, in particular glued, are.
11. Vacuum insulation panel according to claim 10, characterized in that the space between the protective plates (5) and the top or bottom is filled with a filler (6), for example plastic foam.
12. Vacuum insulation panel according to any one of claims 1 to 11, characterized in that the frame (4) supports (7), particularly in eyelet or slot shape, are provided.
13. Vacuum insulation panel according to any one of claims 1 to 12, characterized in that the frame (4) for receiving further, it is followed by panels (1) is extended laterally in a flat or angled shape.
14. A method for producing a vacuum insulation panel (1) with a gas-tight barrier film (3) for wrapping a Dämmkems (2), especially a vacuum insulation panel (1) according to one of claims 1 to 13, comprising the steps of :
Cutting a as a frame (4) with legs (4a, 4b) provided in the U-section,
Removing the corner portions of the frame (4) serving portions of the legs (4a, 4b) for
Formation of the improvement of bending ability of the frame (4) serving recesses (8),
Attaching the frame (4) coated on one side edge of the barrier sheet (3)
Insulating core (2), and
Bending the protruding frame (4) in the corner regions by fitting the bent portions of the frame (4) to the corresponding side edges of the
Barrier film (3) coated insulating core (2).
PCT/EP2005/002807 2004-03-16 2005-03-16 Vacuum insulation panel and method for the production thereof WO2005090698A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE200420004187 DE202004004187U1 (en) 2004-03-16 2004-03-16 Vacuum insulation panel
DE202004004187.1 2004-03-16

Publications (1)

Publication Number Publication Date
WO2005090698A1 true true WO2005090698A1 (en) 2005-09-29

Family

ID=34559907

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/002807 WO2005090698A1 (en) 2004-03-16 2005-03-16 Vacuum insulation panel and method for the production thereof

Country Status (2)

Country Link
DE (1) DE202004004187U1 (en)
WO (1) WO2005090698A1 (en)

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GB2432648A (en) * 2005-11-23 2007-05-30 Abb Turbo Systems Ag Thermal insulation, edge protection

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DE102005027975A1 (en) * 2005-06-16 2006-12-21 Variotec Sandwichelemente Gmbh & Co. Kg Transport anchor for a wall element
GB0707676D0 (en) * 2007-04-20 2007-05-30 Parasol Panel Systems Llp Insulating panel
DE102007038459A1 (en) * 2007-08-14 2009-02-26 Kaefer Isoliertechnik Gmbh & Co. Kg Vacuum insulating
DE202010009060U1 (en) * 2010-06-15 2010-09-02 Microtherm N.V. Thermal insulation composite
EP2929097A1 (en) * 2012-12-06 2015-10-14 Dow Corning Corporation Construction panels
FR3000117B1 (en) * 2012-12-21 2015-04-03 Saint Gobain Weber Thermal insulation product and process for its manufacturing
DE102012224201A1 (en) * 2012-12-21 2014-07-10 Evonik Industries Ag Vacuum Insulating facade panel with improved manageability
DE202014002192U1 (en) * 2014-03-13 2015-06-17 Va-Q-Tec Ag Thermal insulation panel and containers with vacuum insulation panels
FR3029227B1 (en) * 2014-11-28 2018-02-16 Saint Gobain Isover Kit and thermal insulation system and method for installation
DE102015225714A1 (en) 2015-12-17 2017-06-22 Evonik Degussa Gmbh Insulation combined with diffusion-open edge seal

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GB2432648A (en) * 2005-11-23 2007-05-30 Abb Turbo Systems Ag Thermal insulation, edge protection
GB2432648B (en) * 2005-11-23 2010-09-22 Abb Turbo Systems Ag Turbo-charger insulation

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