NL2012782B1 - Insulation sheet. - Google Patents

Insulation sheet. Download PDF

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Publication number
NL2012782B1
NL2012782B1 NL2012782A NL2012782A NL2012782B1 NL 2012782 B1 NL2012782 B1 NL 2012782B1 NL 2012782 A NL2012782 A NL 2012782A NL 2012782 A NL2012782 A NL 2012782A NL 2012782 B1 NL2012782 B1 NL 2012782B1
Authority
NL
Netherlands
Prior art keywords
foam layer
foam
uncrosslinked
impressions
melting
Prior art date
Application number
NL2012782A
Other languages
Dutch (nl)
Inventor
Willem Bout Hendrik
Reginald De Bell Humphrey
Josef Paulus Johannes Renders Maikel
Original Assignee
Thermaflex Int Holding B V
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 Thermaflex Int Holding B V filed Critical Thermaflex Int Holding B V
Priority to NL2012782A priority Critical patent/NL2012782B1/en
Priority to PCT/NL2015/050233 priority patent/WO2015170966A1/en
Priority to EP15722279.5A priority patent/EP3140114A1/en
Application granted granted Critical
Publication of NL2012782B1 publication Critical patent/NL2012782B1/en

Links

Classifications

    • 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
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • B29C59/04—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts
    • B29C59/046—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts for layered or coated 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
    • B32B5/22—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
    • B32B5/32—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 at least two layers being foamed and next to each other
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/0822—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using IR radiation
    • 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
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/08—Surface shaping of articles, e.g. embossing; Apparatus therefor by flame treatment ; using hot gases
    • 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
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/16—Surface shaping of articles, e.g. embossing; Apparatus therefor by wave energy or particle radiation, e.g. infrared heating
    • 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
    • B32B2250/22—All layers being foamed
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/304—Insulating
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/36—After-treatment
    • 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
    • F16L59/029—Shape or form of insulating materials, with or without coverings integral with the insulating materials layered

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Description

Insulation sheet BACKGROUND
The invention relates to an insulation sheet comprising at least one foam layer and a top surface and a bottom surface that extend parallel to the straight main plane of the sheet. These sheets are used for thermal insulation of large straight surfaces, such as the outer surfaces of a rectangular tube or duct with a large cross section . A known insulation sheet of this kind comprises a foam layer of cross-linked polyethylene to which a separate sheet is attached to improve the looks or appearance of the insulation sheet. The separate sheet may be provided with a shallow embossing.
The cross-linked polyethylene itself and the presence of the separate sheet have the disadvantage that the known insulation sheet cannot be recycled anymore to a new such foam layer. The only possibility is down cycling to low value applications such as cushion shreds.
It is an object of the present invention to provide an insulation sheet of the abovementioned type that can be fully recycled.
SUMMARY OF THE INVENTION
According to a first aspect, the invention provides an insulation sheet comprising at least one foam layer and a top surface and a bottom surface that extend parallel to the straight main plane of the sheet, wherein the top surface and the foam layer are formed with the same non-cross-linked polyolefin, wherein the top surface comprises an embossing with a regular pattern of impressions that are formed in an upper area of the material of the foam layer obtained by melting and subsequent solidification.
The insulation layer according to the invention is formed from or with a non-cross-linked polyolefin, which can be fully recycled to new such foam. Any deviations in the thickness of the non-cross-linked polyolefin foam are reduced or diminished by the embossing as the melting and solidification has levelled the upper area of the foam of the insulation sheet. The embossing itself provides an attractive matt appearance of the top surface.
In an embodiment the impressions of the embossing are located on notional first parallel lines that intersect notional second parallel lines. The first and parallel lines may be under an angle of 90 degrees or less.
In an embodiment the upper area obtained by melting and subsequent solidification is thicker than the depth of the impressions, whereby the impressions are fully embedded in the melted and solidified upper area of the material of the foam layer.
In an embodiment the impressions have a depth of 0,1-0,8 millimeters.
In an embodiment the embossing has 50-130 impressions per square millimeter.
In an embodiment the impressions are polygons.
In an embodiment the insulation sheet comprises a laminate of multiple foam layers, wherein an intermediate layer is present between the foam layers that connect the foam layers to each other, which intermediate layer is obtained by melting and subsequent solidification of the material of the foam layers.
In an embodiment the non-cross-linked polyolefin is non-cross-linked polyethylene or non-cross-linked polypropylene or non-cross-linked ethylene vinyl acetate or non-cross-linked ethylene butyl acrylate.
In an embodiment the non-cross-linked polyolefin is a non-cross-linked thermoplastic elastomer.
According to a second aspect the invention provides a method for producing an insulation sheet comprising at least one foam layer and a top surface and a bottom surface that extend parallel to the straight main plane of the sheet, wherein the top surface and the foam layer are formed with the same non-cross-linked polyolefin, wherein the top surface comprises an embossing with a regular pattern of impressions that are formed in an upper area of the material of the foam layer obtained by melting and subsequent solidification, wherein the method comprises forming a foam layer with a non-cross-linked polyolefin, surface melting the top surface of the foam layer and feeding the foam layer between a first roller and a second roller, wherein the roller that is in contact with the top surface of the foam layer comprises a rolling mould which is the negative of the embossing of the insulation sheet, wherein a solidified upper area is formed comprising the impressions .
In an embodiment thereof the melted upper area is degassed.
The various aspects and features described and shown in the specification can be applied, individually, wherever possible. These individual aspects, in particular the aspects and features described in the attached dependent claims, can be made subject of divisional patent applications .
BRIEF DESCRIPTION OF THE DRAWINGS
The invention will be elucidated on the basis of an exemplary embodiment shown in the attached drawings, in which:
Figures 1A and IB are an isometric view and a detail of an insulation sheet according to an embodiment of the invention; and
Figures 2A-2C schematically show the subsequent manufacturing steps to obtain the insulation sheet according to figures 1A and IB.
DETAILED DESCRIPTION OF THE INVENTION
Figures 1A and IB show an insulation panel or insulation sheet 1 according to an embodiment of the invention. The insulation sheet 1 has a bottom surface 2 and a top surface 3 that extend parallel to the straight main plane of the insulation sheet 1, and two side surfaces 4, a front surface 5 and a back surface 6 that extend perpendicular thereto. The side surfaces 4, the front surface 5 and the side back surface 6 are formed by cutting perpendicular to the main plane of the insulation sheet 1. The insulation sheet 1 can be of any size. In particular the length between the front surface 5 and the back surface 6 may be determined by the length that is cut from an endless elongate sheet. The insulation sheet 1 stably maintains its straight form and allows some bending transverse to the main plane. The insulation sheet 1 is destined for thermal insulation of straight surfaces, such as the outer surfaces of a rectangular tube or duct with a large cross section. The insulation sheets 1 are then in situ attached to the outer surfaces of such tube or duct.
The insulation sheet 1 is a laminate comprising at least two parallel cured or solid foam layers 10a-10e each with a thickness between 5 and 10 millimeters. The foam layers 10a-10e that are connected or wedded to each other by surface melting, whereby distinct, solidified, degassed intermediate melting layers 11 are present having a thickness that is multiple times smaller than the thickness of the foam layers 10a-10 themselves. In this example the insulation sheet 1 comprises five foam layers 10a-10e. The insulation sheet 1 provides thermal insulation that is quantified as maximal 0,040 W/m2K at 40 degrees Celsius .
The foam layers 10a-10e are made of a non-cross-linked polyolefin, preferably non-cross-linked polyethylene (PE). Alternative non-cross-linked polyolefins are noncross-linked polypropylene (PP), non-cross-linked ethylene vinyl acetate (EVA), non-cross-linked ethylene butyl acrylate (EBA) or non-cross-linked thermoplastic elastomers (TPE) . The non-cross-linked polyolefin may comprise particular additives such as flame retardants to minimally comply to the C-class flame retardant specifications under the SBI test. The specific density of the foam of the foam layers is 20-35 kg/m3. The temperature to perform the shallow surface melting of the foam sheets 10a-10e depends on the type of non-cross-linked polyolefin that is applied. The melting temperature of the specific non-cross-linked polyolefin is well defined. For polyethylene a melting temperature of about 110 degrees Celsius is applied, for polypropylene a melting temperature of about 150 degrees Celsius is applied.
As best shown in figure IB, the top surface 3 of the insulation sheet 1 comprises an relief or embossing 20. The embossing 20 is melted into the upper foam layer 10e whereby upper foam layer 10e comprises a distinct, degassed, solidified upper area 21. The upper area 21 has a density that is higher than the density of the foam. The embossed upper foam layer 10e has a lower thickness than the foam layers 10b-10e below as the foamed upper part thereof is sacrificed to the melt. The embossing 20 comprises a regular pattern of impressions 22 that are located on notional, first straight parallel lines A, that intersect notional, second straight parallel lines B. The depth of the impressions 22 is between 0,1-0,8 millimeters, wherein the solidified upper area 21 is slightly thicker to ensure that the impressions 22 do not penetrate the foam itself. In this example the impressions 22 are polygons, in particular pyramids. The upper surface 3 comprises 50-130 impressions per square centimeter, and preferably about 90 impressions per square centimeter.
The manufacturing steps for the insulation sheet 1 are schematically shown in figures 2A-2C.
As shown in figure 2A, the foam layers 10a-10e are each formed by foam extrusion of a hollow tube 51 by means of a foam extrusion device 50. The foam is formed by adding a chemical or physical foaming agent to the polyolefin, wherein the process parameters are set to form said tube 51 of homogeneously foamed non-cross-linked polyolefin. The hollow tube 51 is provided with a longitudinal cut 52 and is immediately flattened out in direction C to form each of the foam layers 10a-10e with a straight main plane.
As shown in figure 2B, the foam layers 10a-10e are consecutively fed in direction D between a pair of smooth first rollers 60a, 61a; 60b, 61b; 60c, 61c; 60d, 61d, wherein between each pair of first rollers the next foam layer is added to the so formed laminate of the insulation sheet 1. In this process the meeting faces of the foam layers 10a-10e are evenly and shallow heated by gas burners or infrared heaters 62a; 62b; 62c; 62d right in front of the respective pairs of first rollers to be tightly pressed and melted together there between.
As shown in figure 2C, the laminate of the insulation sheet 1 is fed in direction D along a smooth second roller 63 against which a smaller smooth third roller 60 and a smaller fourth roller 64 are positioned which are both provided with forced cooling. The fourth roller 64 has a rolling surface or rolling mould with the shape that is the negative of the embossing 20 in the top surface 3 of the insulation sheet 1. Right in front of the third roller 60 and the fourth roller 64 a gas burner or infrared heater 65, 66 is positioned for even and shallow melting of the facing top surface 3 of the laminate of the insulation sheet 1 at the nip. Between the second roller 63 and the third roller 6 0 the top surface 3 of the laminate is smoothened and deviations in the thickness are reduced. Between the second roll 63 and the fourth roller 64 the top surface 3 of the laminate is provided with the embossing 20 and deviations in the thickness are further reduced or diminished.
It is to be understood that the above description is included to illustrate the operation of the preferred embodiments and is not meant to limit the scope of the invention. From the above discussion, many variations will be apparent to one skilled in the art that would yet be encompassed by the spirit and scope of the present invention.

Claims (11)

1. Isolatieplaat omvattend ten minste één schuimlaag en een bovenoppervlak en een onderoppervlak die zich parallel aan het hoofdvlak van de plaat uitstrekken, waarbij het bovenoppervlak en de schuimlaag met dezelfde onverknoopte polyolefine zijn gevormd, waarbij het bovenoppervlak een reliëfvorm met een regelmatig patroon van indrukkingen bezit die zijn gevormd in een bovengebied van het materiaal van de schuimlaag dat is verkregen door smelten en opvolgend uitharden.An insulating plate comprising at least one foam layer and an upper surface and a lower surface extending parallel to the major surface of the plate, the upper surface and the foam layer being formed with the same uncrosslinked polyolefin, the upper surface having a relief shape with a regular pattern of impressions which are formed in an upper area of the foam layer material obtained by melting and subsequent curing. 2. Isolatieplaat volgens conclusie 1, waarbij de indrukkingen van de reliëfvorm zijn gelegen op denkbeeldige eerste parallelle lijnen die denkbeeldige tweede parallelle lijnen snijden.Insulation board according to claim 1, wherein the impressions of the relief shape are located on imaginary first parallel lines intersecting imaginary second parallel lines. 3. Isolatieplaat volgens een der voorgaande conclusies, waarbij het bovengebied dat is verkregen door smelten en opvolgend uitharden dikker is dan de diepte van de indrukkingen.3. Insulation plate according to one of the preceding claims, wherein the upper area obtained by melting and subsequent curing is thicker than the depth of the impressions. 4. Isolatieplaat volgens een der voorgaande conclusies, waarbij de indrukkingen een diepte hebben van 0,1-0,8 millimeter.Insulation plate according to one of the preceding claims, wherein the indentations have a depth of 0.1-0.8 millimeters. 5. Isolatieplaat volgens een der voorgaande conclusies, waarbij de reliëfvorm 50-130 indrukkingen per vierkante centimeter bezit.Insulation plate according to one of the preceding claims, wherein the relief shape has 50-130 indentations per square centimeter. 6. Isolatieplaat volgens een der voorgaande conclusies, waarbij de indrukkingen polygonen zijn.Insulation plate according to one of the preceding claims, wherein the indentations are polygons. 7. Isolatieplaat volgens een der voorgaande conclusies, omvattend een laminaat van meerdere schuimlagen, waarbij tussen de schuimlagen een tussenlaag aanwezig is die de schuimlagen met elkaar verbindt, welke tussenlaag is verkregen door smelten en opvolgend uitharden van het materiaal van de schuimlagen.Insulation plate according to one of the preceding claims, comprising a laminate of several foam layers, wherein an intermediate layer is present between the foam layers that connects the foam layers to each other, which intermediate layer is obtained by melting and subsequent curing of the material of the foam layers. 8. Isolatieplaat volgens een der voorgaande conclusies, waarbij de onverknoopte polyolefine een onverknoopt polyethyleen of onverknoopt polypropyleen of onverknoopt ethyleen vinyl acetaat of onverknoopt ethyleen butyl acrylaat is.The insulation board of any preceding claim, wherein the uncrosslinked polyolefin is an uncrosslinked polyethylene or uncrosslinked polypropylene or uncrosslinked ethylene vinyl acetate or uncrosslinked ethylene butyl acrylate. 9. Isolatieplaat volgens een der voorgaande conclusies, waarbij de onverknoopte polyolefine een onverknoopt thermoplastisch elastomeer is.The insulation board of any one of the preceding claims, wherein the uncrosslinked polyolefin is an uncrosslinked thermoplastic elastomer. 10. Werkwijze voor het vervaardigen van een isolatieplaat omvattend ten minste één schuimlaag en een bovenoppervlak en een onderoppervlak die zich parallel aan het hoofdvlak van de plaat uitstrekken, waarbij het bovenoppervlak en de schuimlaag met dezelfde onverknoopte polyolefine zijn gevormd, waarbij het bovenoppervlak een reliëfvorm met een regelmatig patroon van indrukkingen bezit die zijn gevormd in een bovengebied van het materiaal van de schuimlaag dat is verkregen door smelten en opvolgend uitharden, waarbij de werkwijze omvat het vormen van een schuimlaag met een onverknoopt polyolefine, het oppervlaktesmelten van het bovenoppervlak van de schuimlaag en het tussen een eerste walsrol en een tweede walsrol voeren van de schuimlaag, waarbij de walsrol die in contact is met het bovenoppervlak van de schuimlaag een walsvorm omvat die het negatief is van de reliëfvorm van de isolatieplaat, waarbij een uitgehard bovengebied wordt gevormd die de indrukkingen bevat.A method of manufacturing an insulating plate comprising at least one foam layer and an upper surface and a lower surface extending parallel to the major surface of the plate, the upper surface and the foam layer being formed with the same uncrosslinked polyolefin, the upper surface being embossed with has a regular pattern of impressions formed in an upper area of the material of the foam layer obtained by melting and subsequent curing, the method comprising forming a foam layer with an uncrosslinked polyolefin, the surface melting of the upper surface of the foam layer and feeding the foam layer between a first roller and a second roller, wherein the roller which is in contact with the upper surface of the foam layer comprises a roller shape that is negative from the relief shape of the insulating plate, whereby a cured upper area is formed which impressions contains. 11. Werkwijze volgens conclusie 10, waarbij het gesmolten bovengebied wordt ontgast. -o-o-o-o-o-o-o-o-The method of claim 10, wherein the molten upper region is degassed. -o-o-o-o-o-o-o-
NL2012782A 2014-05-08 2014-05-08 Insulation sheet. NL2012782B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NL2012782A NL2012782B1 (en) 2014-05-08 2014-05-08 Insulation sheet.
PCT/NL2015/050233 WO2015170966A1 (en) 2014-05-08 2015-04-10 Insulation sheet
EP15722279.5A EP3140114A1 (en) 2014-05-08 2015-04-10 Insulation sheet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL2012782A NL2012782B1 (en) 2014-05-08 2014-05-08 Insulation sheet.

Publications (1)

Publication Number Publication Date
NL2012782B1 true NL2012782B1 (en) 2016-02-24

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Application Number Title Priority Date Filing Date
NL2012782A NL2012782B1 (en) 2014-05-08 2014-05-08 Insulation sheet.

Country Status (3)

Country Link
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NL (1) NL2012782B1 (en)
WO (1) WO2015170966A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE678121A (en) * 1965-05-17 1966-09-01
EP1090950A1 (en) * 1998-06-25 2001-04-11 NHK Spring Co., Ltd. Surface-decorated foam skin of cross-linked rubbery soft olefin resin
FR2950288A1 (en) * 2009-09-24 2011-03-25 Ctci Manufacturing thermoformable composite material for packaging containers, by extruding plastic material to generate sheet, continuously calendering and laminating sheet, conditioning composite material, and thermoforming composite material
US20110262744A1 (en) * 2010-04-26 2011-10-27 Nitto Denko Corporation Resin foam and foamed member
EP2687354A1 (en) * 2012-07-17 2014-01-22 Basf Se Thermoplastic foam plates with a welding seam thickness of 30 to 200 micrometers

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE678121A (en) * 1965-05-17 1966-09-01
EP1090950A1 (en) * 1998-06-25 2001-04-11 NHK Spring Co., Ltd. Surface-decorated foam skin of cross-linked rubbery soft olefin resin
FR2950288A1 (en) * 2009-09-24 2011-03-25 Ctci Manufacturing thermoformable composite material for packaging containers, by extruding plastic material to generate sheet, continuously calendering and laminating sheet, conditioning composite material, and thermoforming composite material
US20110262744A1 (en) * 2010-04-26 2011-10-27 Nitto Denko Corporation Resin foam and foamed member
EP2687354A1 (en) * 2012-07-17 2014-01-22 Basf Se Thermoplastic foam plates with a welding seam thickness of 30 to 200 micrometers

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"ThermaInsulation Product guide", 22 April 2009 (2009-04-22), pages 1 - 24, XP055169047, Retrieved from the Internet <URL:http://www.ecoinvest.si/media/downloads/2PGisolierung%20907512-EN_fertigeVersion.pdf> [retrieved on 20150211] *

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Publication number Publication date
EP3140114A1 (en) 2017-03-15
WO2015170966A1 (en) 2015-11-12

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