GB2544618A - Insulating sandwich panel - Google Patents

Insulating sandwich panel Download PDF

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Publication number
GB2544618A
GB2544618A GB1616594.6A GB201616594A GB2544618A GB 2544618 A GB2544618 A GB 2544618A GB 201616594 A GB201616594 A GB 201616594A GB 2544618 A GB2544618 A GB 2544618A
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United Kingdom
Prior art keywords
layer
sandwich panel
ranging
mineral wool
air
Prior art date
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Granted
Application number
GB1616594.6A
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GB2544618B (en
GB201616594D0 (en
Inventor
Czyz Michal
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.)
Wido-Profil-Spolka Z Organiczona
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Wido-Profil-Spolka Z Organiczona
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Publication of GB201616594D0 publication Critical patent/GB201616594D0/en
Publication of GB2544618A publication Critical patent/GB2544618A/en
Application granted granted Critical
Publication of GB2544618B publication Critical patent/GB2544618B/en
Expired - Fee Related legal-status Critical Current
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Classifications

    • 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
    • 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
    • B32B3/00—Layered 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
    • B32B3/02—Layered 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 features of form at particular places, e.g. in edge regions
    • B32B3/08—Layered 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 features of form at particular places, e.g. in edge regions characterised by added members at particular parts
    • 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
    • B32B3/00—Layered 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
    • B32B3/10—Layered 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 discontinuous layer, i.e. formed of separate pieces of material
    • B32B3/12—Layered 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 discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
    • 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
    • B32B3/00—Layered 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
    • B32B3/26—Layered 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
    • B32B3/30—Layered 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 a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
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    • 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
    • B32B5/02—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 structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
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    • B32B5/22—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/245—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it being a foam layer
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    • B32B5/22—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
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    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • 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
    • 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
    • E04B1/88—Insulating elements for both heat and sound
    • E04B1/90—Insulating elements for both heat and sound slab-shaped
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • E04C2/24—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products laminated and composed of materials covered by two or more of groups E04C2/12, E04C2/16, E04C2/20
    • E04C2/243—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products laminated and composed of materials covered by two or more of groups E04C2/12, E04C2/16, E04C2/20 one at least of the material being insulating
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • E04C2/24—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products laminated and composed of materials covered by two or more of groups E04C2/12, E04C2/16, E04C2/20
    • E04C2/246—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products laminated and composed of materials covered by two or more of groups E04C2/12, E04C2/16, E04C2/20 combinations of materials fully covered by E04C2/16 and E04C2/20
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/03—3 layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B2262/10—Inorganic fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B2266/02—Organic
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    • B32B2266/0278—Polyurethane
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Textile Engineering (AREA)
  • Building Environments (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Laminated Bodies (AREA)

Abstract

The panel comprises layers of glass fleece 3, mineral wool 1 and polyurethane foam 2. The mineral wool 1 has thermal conductivity coefficient = 0.030-0.038 W/m.K and self-weight load = 0.5-1.5 kN/m3. The foam 2 has thermal conductivity coefficient = 0.010-0.030 W/m.K and the density = 25-100 kg/m3 to 100 kg/m3. The 0.3-2.00 mm thick fleece 3 adheres directly to the mineral wool 1 and has wind barrier properties. The preferred foam 3 includes regular, hexagonal (honeycomb), air slots 4. The preferred panel includes a second mineral wool layer 6, and notches 7 and tongues 8 to allow panels to be locked together. The thermally and acoustically insulating panels are used in the construction industry.

Description

Insulating sandwich panel
The present invention relates to the insulating sandwich panel intended for use in construction industry as thermal and sound insulation.
The insulating plates used so far in the construction industry are characterised usually by either a very high level of thermal performance or a very high level of fire resistance. Therefore a technical problem that has been raised to be solved in the invention is the development of such a structure of the insulating sandwich panel that would be characterised by thermal performance similar to the level achieved by foam insulating material and at the same time by fire resistance similar to the level achieved by mineral fibre materials.
The patent specification PL204538 reveals a curtain wall of the building, in particular a residential building where between the building wall and the finish coat there is an insulating plate characterised by the fact that the isolating plate has holes perpendicular to the wall structure, which account for 21% of the surface of the insulating plate, and the spacing between these holes is preferably even or greater than the cross-section of the holes. The insulating plate has through-holes with a diameter of 3 (mm). The insulating plate is covered from the external side of the building with a vapour-permeable coating into which a fibreglass mesh is embedded that supports the external plaster.
In turn, the patent specification PL206193 reveals a curtain wall of the building, in particular a residential building, where between the building wall and the finish coat there is an insulating plate characterised by the fact that the isolating plate has holes inclined at an angle to the wall structure, which account for 6% of the surface of the insulating plate, and create a preferably regular structure that allows to achieve a diffusion resistance coefficient of approx. 20. These holes are preferably over 3 [mm] large.
Moreover, the specification in the application W02004054799 reveals a vapour-permeable, heat reflective membrane with a heat reflective coat, such as aluminium foil applied onto the surface of the vapour permeable base, such as non-woven fibres. And there are many small slots, cracks in the surface of this foil.
In turn the patent specification PL192673 reveals a heat insulating plate made in particular from expanded plastic and available in any shape, preferably a rectangular prism and with two front faces, preferably flat and at least one, preferably four, side faces, preferably flat, characterised by the fact that at least the front faces of the plate are interconnected by through-holes.
While the patent specification PL170894 reveals a wall cladding of the building comprising prefabricated plate fittings with heat insulating properties, and the heat insulating core of a single fitting comprises mainly a layer of expanded brittle material. The nature of this invention is that between the heat insulating core and the building wall there is a layer of soft foamed plastic that adheres tightly to the building wall. This layer and the insulating core, forming the body of the fitting, are interconnected by expansion.
The specification CN203383448 reveals a solution that is a wall made of carbon fibre in the form of a honeycomb, which comprises a carbon internal coat with a porous structure in the form of a honeycomb and the external decorative coat.
The purpose of the invention is the development of an insulating plate with fire resistance typical for mineral fibre materials and at the same time the improvement of insulating parameters typical for foam insulating materials. The additional purpose of the solution according to the invention is to achieve the effect of sound insulation.
The insulating sandwich panel, comprising the permanently interconnected layers, of which one is made of mineral wool while the other of foamed plastic, is characterised by the fact that the first layer comprises the mineral wool with the thermal conductivity coefficient ranging from 0.030 W/m-K to 0.038 W/m-K and with the self-weight load ranging from 0.5 kN/m3 to 1.5 kN/m3, while the second layer comprises the polyurethane foam with the thermal conductivity coefficient ranging from 0.010 W/m-K to 0.030 W/m-K and the density ranging from 25 kg/m3 to 100 kg/m3. While the third layer comprises glass fleece adhering directly to the first layer with the thickness ranging from 0.3 to 2.00 mm, with wind barrier properties.
According to an aspect of the present invention, there is provided an insulating sandwich panel comprising permanently interconnected layers, of which at least one is made of mineral wool while the other of foamed plastic, wherein the first layer comprises mineral wool with a thermal conductivity coefficient ranging from 0.030 W/m-K to 0.038 W/m-K and with a self-weight load ranging from 0.5 kN/m3 to 1.5 kN/m3, while the second layer comprises a polyurethane foam with a thermal conductivity coefficient ranging from 0.010 W/m-K to 0.030 W/m-K and a density ranging from 25 kg/m3 to 100 kg/m3, while the third layer comprises a glass fleece that adheres directly to the first layer with the thickness ranging from 0.3 to 2.00 mm, with wind barrier properties.
In one embodiment, the second layer includes air through slots.
In one embodiment, the second layer, on the surface non adhering to the first layer, is covered with the insulating material that traps the air in air slots.
In one embodiment, the second layer, on the surface adhering to the first layer, is covered with a mineral wool layer that traps the air in air slots.
In one embodiment, when the insulating material covering the second layer on the surface non adhering to the first layer comprises the mineral wool with the thermal conductivity coefficient ranging from 0.030 W/m-K to 0.038 W/m-K and with the self-weight load ranging from 0.2 kN/m3 to 0.8 kN/m3. The use of such a material at the place where the sandwich panel adheres to the insulated surface corrects the unevenness and curvatures of this surface and thus reduces air circulation in the holes in the second layer of the panel.
In one embodiment, the air slots are in the shape of regular hexagons which additionally stabilizes the panel structure.
In one embodiment, when on the outer edges of the panel there are notches and tongues that allow to create a shaped lock between two or more panels.
The invention solves the raised technical issue. The main advantage of the invention is the ability to discharge outside the vapour accumulated in the wall. The use of the insulating sandwich panel according to the invention, in particular due to the trapping of still air in air slots in the second layer, provides insulation related to heat saving and noise reduction with simultaneous discharge of vapour condensate.
Embodiments of the present invention will now be described in detail with reference to the accompanying drawings, in which:
Fig. 1 presents the general view of the insulating sandwich panel with a part section in the first example of execution;
Fig.2 presents the general view of the insulating sandwich panel with a part section in the second example of execution; and
Fig.3 presents the general view of the insulating sandwich panel in the second example of execution.
The insulating sandwich panel in the first example of execution comprises the first layer 1 which comprises the mineral wool with the thermal conductivity coefficient ranging from 0.030 W/m-K to 0.038 W/m-K and with the self-weight load ranging from 0.5 kN/m3 to 1.5 kN/m3, and the second layer 2 which comprises the polyurethane foam with the thermal conductivity coefficient ranging from 0.010 W/m-K to 0.030 W/m-K and the density ranging from 25 kg/m3 to 100 kg/m3. The first layer 1 is connected in a permanent and non-disconnectable manner with the second layer 2 by means of point or linear bonding. Moreover, with the first layer 1 the third layer 3 is connected in a permanent and non-disconnectable manner by means of point or linear bonding, and this layer comprises the glass fleece with wind barrier properties and with the thickness ranging from 0.3 to 2.00 mm. In turn, the second layer 2 is connected in a permanent and non-disconnectable manner by means of point or linear bonding with the insulating material 5 which comprises the membrane trapping air in the air slots 4. Whereas on the outer edges of the panel there are notches 7 and tongues 8 that allow to create a shaped lock between two or more panels.
While the insulating sandwich panel in the second example of execution comprises the first layer 1 which comprises the mineral wool with the thermal conductivity coefficient ranging from 0.030 W/m-K to 0.038 W/m-K and with the self-weight load ranging from 0.5 kN/m3 to 1.5 kN/m3, while the second layer 2 which comprises the polyurethane foam with the thermal conductivity coefficient ranging from 0.010 W/m-K to 0,030 W/m-K and the density ranging from 25 kg/m3 to 100 kg/m3. The first layer 1 is connected in a permanent and non-disconnectable manner with the second layer 2 by means of point or linear bonding. Moreover, with the first layer 1 the third layer 3 is connected in a permanent and non-disconnectable manner by means of point or linear bonding, and this layer comprises the glass fleece with wind barrier properties and with the thickness ranging from 0.3 to 2.00 mm. In turn the second layer 2 is connected in a permanent and non-disconnectable manner by means of point or linear bonding with the insulating layer, which in this example of execution comprises the mineral wool 6 with the thermal conductivity coefficient ranging from 0.030 W/m-K to 0.038 W/m-K and with the self-weight load ranging from 0.2 kN/m3 to 0.8 kN/m3, trapping air in air slots 4 and it enables tight adherence to the building wall due to low density of the layer 6. Whereas on the outer edges of the panel there are notches 7 and tongues 8 that allow to create a shaped lock between two or more panels.
Embodiments of the present invention have been described with particular reference to the examples illustrated. While specific examples are shown in the drawings and are herein described in detail, it should be understood, however, that the drawings and detailed description are not intended to limit the invention to the particular form disclosed. It will be appreciated that variations and modifications may be made to the examples described within the scope of the present invention.

Claims (8)

1. An insulating sandwich panel comprising permanently interconnected layers, of which at least one is made of mineral wool while the other of foamed plastic, wherein the first layer (1) comprises mineral wool with a thermal conductivity coefficient ranging from 0.030 W/rn-K to 0.038 W/mK and with a self-weight load ranging from 0.5 kN/m3 to 1.5 kN/m3, while the second layer (2) comprises a polyurethane foam with a thermal conductivity coefficient ranging from 0.010 W/m K to 0.030 W/m K and a density ranging from 25 kg/m3 to 100 kg/m3, while the third layer (3) comprises a glass fleece that adheres directly to the first layer (1) with the thickness ranging from 0.3 to 2.00 mm, with wind barrier properties.
2. The sandwich panel according to claim 1, wherein in the second layer there are air through-slots (4).
3. The sandwich panel according to claim 1 or claim 2, wherein the second layer (2), on the surface adhering to the first layer, is covered with the insulating material (5) that traps the air in air slots (4).
4. The sandwich panel according to claim 3, wherein the second layer (2), on the surface adhering to the first layer, is covered with a mineral wool layer (6).that traps the air in air slots.
5. The sandwich panel according to claim 3 or 4, wherein the insulating material (5) covering the second layer on the surface adhering to the first layer comprises a mineral wool (6) with a thermal conductivity coefficient ranging from 0.030 W/m K to 0.038 W/m K and with a selfweight load ranging from 0.2 kN/m3 to 0.8 kN/m3.
6. The sandwich panel according to claim 2, wherein the air slots (4) are in the shape of regular hexagons.
7. The sandwich panel according to any one of claims 1 to 6, wherein on the outer edges of the panel there are notches (7) and tongues (8) that allow to create a shaped lock between two or more panels.
8. An insulating sandwich panel substantially as hereinbefore described and/or illustrated with reference to the accompanying drawings.
GB1616594.6A 2015-11-10 2016-09-29 Insulating sandwich panel Expired - Fee Related GB2544618B (en)

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NL8801468A (en) * 1988-06-07 1990-01-02 Opstalan B V Composite insulation sheets e.g. for steel roofs - with mineral e.g. rockwool, polyurethane foam and covering e.g. of bituminised or plastic coated glass fabric layers

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DE2717383C2 (en) 1977-04-20 1982-05-13 Wabco Fahrzeugbremsen Gmbh, 3000 Hannover Circuit arrangement for regulating the brake pressure in the control phase in anti-lock vehicle brake systems
PL124729B1 (en) 1978-02-08 1983-02-28 Akad Gorniczo Hutnicza Method of enabling pseudovisual perception in the case of blindness and electronic apparatus therefor
GB0229411D0 (en) 2002-12-17 2003-01-22 Building Product Design Ltd Vapour permeable heat-reflective membranes
CN203383448U (en) 2013-08-05 2014-01-08 林实俄 Carbon fiber honeycomb type wall-improving purifying thermal-insulation porous soft cut plate and indoor wall decoration structure

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Publication number Priority date Publication date Assignee Title
NL8801468A (en) * 1988-06-07 1990-01-02 Opstalan B V Composite insulation sheets e.g. for steel roofs - with mineral e.g. rockwool, polyurethane foam and covering e.g. of bituminised or plastic coated glass fabric layers

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NO20161526A1 (en) 2017-05-11
DE102016118484A1 (en) 2017-05-11

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