EP2408990B1 - Spacer profile having a reinforcing layer - Google Patents
Spacer profile having a reinforcing layer Download PDFInfo
- Publication number
- EP2408990B1 EP2408990B1 EP11701456.3A EP11701456A EP2408990B1 EP 2408990 B1 EP2408990 B1 EP 2408990B1 EP 11701456 A EP11701456 A EP 11701456A EP 2408990 B1 EP2408990 B1 EP 2408990B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- thickness
- wall
- spacer
- diffusion barrier
- barrier layer
- 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.)
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Links
- 125000006850 spacer group Chemical group 0.000 title claims description 95
- 230000003014 reinforcing effect Effects 0.000 title description 51
- 238000009792 diffusion process Methods 0.000 claims description 62
- 230000004888 barrier function Effects 0.000 claims description 59
- 239000000463 material Substances 0.000 claims description 49
- 239000007769 metal material Substances 0.000 claims description 18
- 230000002787 reinforcement Effects 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 2
- 229920002994 synthetic fiber Polymers 0.000 claims 2
- 238000005452 bending Methods 0.000 description 21
- 239000004033 plastic Substances 0.000 description 9
- 229920003023 plastic Polymers 0.000 description 9
- 239000011888 foil Substances 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- -1 polypropylene Polymers 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000003566 sealing material Substances 0.000 description 3
- 239000005028 tinplate Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 239000002318 adhesion promoter Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 229920005372 Plexiglas® Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910052743 krypton Inorganic materials 0.000 description 1
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910001868 water Inorganic materials 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/663—Elements for spacing panes
- E06B3/66309—Section members positioned at the edges of the glazing unit
- E06B3/66314—Section members positioned at the edges of the glazing unit of tubular shape
- E06B3/66319—Section members positioned at the edges of the glazing unit of tubular shape of rubber, plastics or similar materials
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/663—Elements for spacing panes
- E06B3/667—Connectors therefor
Definitions
- the present invention relates to a spacer profile for use in insulating disk units having such a spacer profile.
- Insulating disk units having at least two disks spaced apart in the insulating disk unit are known.
- Insulating washers are usually made of inorganic or organic glass or other materials such as Plexiglas.
- the spacing of the discs is normally ensured by a spacer frame formed of at least one spacer profile. Spacer profiles should have good thermal insulation.
- the spacer frame is preferably bent in one piece so that, after bending, it is to be closed at a location of the spacer frame by means of a connector.
- the disc space is preferably filled with an insulating inert gas such as argon, krypton, xenon, etc.
- the filling gas should not be able to escape from the space between the panes.
- it should of course also in the ambient air contained nitrogen, oxygen, water, etc., not be possible to enter the space between the panes. Therefore, the spacer profile must prevent this diffusion. Spacer profiles therefore have a diffusion barrier layer which seals the space between the panes and the environment.
- the term "diffusion-tightness" with respect to the spacer profile or materials forming the spacer profile in the following description means both vapor-diffusion-tightness and gas-diffusion-tightness for the gases in question.
- Insulating disk units which ensure high thermal insulation in the edge bond, meet the so-called "warm edge” conditions according to the meaning of the term in the art.
- the WO 2006/027146 A1 shows a spacer profile for a spacer frame with a profile body made of plastic, the at least one chamber for receiving hygroscopic Has material and in which a metal foil surrounds the profile body on three sides such that in the assembled state of the spacer profile, the non-enclosed inside of the profile body to the space between the panes and this unenclosed inside of the profile body openings for moisture exchange of recorded in the chamber desiccant and the space between the panes and at in that the metal foil has a profile with at least one edge or bend at the ends facing the space between the panes.
- the reinforcing layer may be provided to be thinner than the diffusion barrier layer but having a correspondingly higher strength and / or a correspondingly higher modulus of elasticity.
- less heat is transferred by the comparatively thinner reinforcement layer.
- the productivity of the bending process is directly related to the bending speed, ie the angular velocity at which the profile is moved around the bend radius.
- the bending speed is limited in spacer profiles to a maximum bending speed, which results from the fact that longer profile sections when bending at longer intervals From the bending radius are accelerated very strong and it comes when exceeding the maximum bending speed to unwanted deformations.
- the additional reinforcement layer achieves a high-quality result during the bending process and, in addition, significantly increases the maximum bending speed.
- a so-called W configuration of the spacer profile is shown by way of example in a), and in b) a so-called U configuration of the spacer profile is shown in each case. It will now be with reference to the Fig. 1a ) and b) and 3a) and b) describes a spacer profile according to the first embodiment.
- Fig.1 shows in a) and b) each have a perspective cross-sectional view of the arrangement of window panes 51, 52 in a Isolierinntician with interposed spacer profile in the form of a spacer profile frame 50, adhesive material 61 and sealing material 62nd
- the spacer profile is in the Fig. 3a ) and b) in cross-section perpendicular to a longitudinal direction, ie in a section in the XY plane, and extends with this constant cross-section in the longitudinal direction Z.
- the spacer profile consists of a profile body 10 which is formed of a plastic material and a first height h1 in the height direction Y and a first width b1 in the transverse direction X has.
- the plastic material is an elastic-plastically deformable, poorly heat-conducting material.
- the first material is preferably a plastic material, preferably polyolefin and still more preferably polypropylene, polyethylene terephthalate, polyamide or polycarbonate, for example, acrylonitrile-butadiene-styrene copolymer, Novolen 1040K ® or PA66 GF25.
- the first material preferably has a first modulus of elasticity E1 ⁇ 3000 N / mm 2 and a thermal conductivity less than or equal to 0.4 W / (m K), preferably less than or equal to 0.2 W / (m K).
- the profile body 10 has an inner wall 13 and an outer wall 14, which are spaced at a distance h2 in the vertical direction Y and extending in the transverse direction X, on.
- the profile body 10 has two side walls 11, 12, which are spaced at a distance b2 in the transverse direction X and extend substantially in the height direction Y, on.
- the side walls 11, 12 are connected by the inner wall 13 and by the outer wall 14 so that a chamber 20 for receiving hygroscopic material is formed, which is limited in cross section on all sides by the walls 11-14 of the profile body 10.
- the chamber has a second height h2 in the vertical direction Y and a second width b2 in the transverse direction X.
- the side walls 11, 12 serve as Angegestege for the inner sides of the discs 51, 52.
- the profile body 10 is glued gas-tight over the side walls 11, 12 with the inner sides of the discs 51, 52 by means of the adhesive material 61.
- the inner wall 13 points in the assembled state of the spacer profile inwardly to the space between the panes 53.
- the profile body 10 is materially bonded (for example, connected by fusion or adhesive) connected to a one-piece diffusion barrier layer 30, which is preferably formed as a diffusion barrier film.
- the diffusion barrier layer 30 is formed on the outer sides of the outer wall 14 and the side walls 11, 12 facing away from the chamber 20.
- the diffusion barrier layer 30 extends on the sidewalls in the height direction Y up to the height h 2 of the chamber 20.
- the diffusion barrier layer 30 is formed of a first metal material having a second elastic modulus E2 and a first tensile strength R1, and has a first thickness (material thickness) d1.
- the first metal material is preferably a plastically deformable material.
- plastically deformable here means that act after the deformation virtually no elastic restoring forces. This is typically the case, for example, when bending metals beyond their yield point.
- the first metal material is stainless steel or a steel having an anticorrosive coating of tin (such as tinplate) or zinc, optionally, if necessary or desired, with a chromium coating or chromate coating.
- the tensile strength [N / mm 2 ] is a material material property that does not depend on the cross-sectional area or the like. It indicates a force per unit area at which the material fails (eg breaks).
- the modulus of elasticity [N / mm 2 ] is a material characteristic value indicating the relationship (relationship) between the stress and the elongation at deformation of a solid body.
- At least one side of the diffusion barrier layer 30 must be bonded to the profile body in a material-locking manner.
- cohesively connected here means that the profile body 10 and the diffusion barrier layer 30, for example, by coextruding the profile body with the diffusion barrier layer 30, and / or optionally with the use of adhesion promoters, permanently connected to each other. It is preferred that the strength of this cohesive composite is so great that the materials can not be separated in the peel test (for example according to DIN 53282).
- the preferred first metal material for the diffusion barrier layer 30 is steel having a thermal conductivity of ⁇ ⁇ about 50 W / (mK), more preferably about 25 W / (mK), and even more preferably ⁇ about 15 W / (mK).
- the first thickness (material thickness) d1 of the diffusion barrier layer 30 is between 0.30 mm and 0.01 mm, preferably between 0.20 mm and 0.01 mm, more preferably between 0.10 mm and 0.01 mm and more preferably between 0.05 mm and 0.01 mm, for example 0.02 mm, 0.03 mm or 0.04 mm. Furthermore, it is conceivable that the diffusion barrier layer 30 is formed only as an applied metal layer with more than three atomic layers.
- the maximum thickness should be selected according to the desired thermal conductivity. The thinner the film, the better the "warm edge” conditions are met.
- the in the Fig. 3a ) and b), thicknesses in the range of 0.10 mm-0.01 mm are preferred, more preferably with the above-mentioned metal layer having more than three atomic layers.
- the first tensile strength R1 for this metal material is in the range of 470 N / mm 2 to 800 N / mm 2 , more preferably in the range of 630 N / mm 2 to 740 N / mm 2 , and is 500 N / mm 2 , 580, for example N / mm 2 or 600 N / mm 2 .
- the second elastic modulus E2 is in the range of 195 kN / mm 2 to 210 kN / mm 2 , preferably in the range of 195 kN / mm 2 to 199 kN / mm 2 , and is for example 196 kN / mm 2 , 197 kN / mm 2 or 198 kN / mm 2 .
- the elongation at break of the first metal material is preferably greater than or equal to about 15%, more preferably greater than or equal to about 20%.
- An example of a stainless steel foil is a steel foil 1.4301 or 1.4016 according to DIN EN 10 08812 with a thickness of 0.1 mm and an example of a tinplate foil is a foil of Antralyt E2, 8/2, 8T57 with a thickness of 0.125 mm
- the side walls 11, 12 each have a portion concave relative to the chamber 20, which forms the transition from the outer wall 14 to the corresponding side wall 11, 12.
- This design leads to an extension of the heat conduction path through the diffusion barrier layer 30 and thus to an increase in thermal insulation compared to in Fig. 4b ) U configuration despite the same height h1 and width b1 of the two configurations.
- the volume of the chamber 20, with the same width b1 and height h1 is slightly reduced with respect to the U configuration.
- a one-piece reinforcing layer 40 which is preferably formed as a planar reinforcing layer or sheet, materially connected to the profile body 10.
- the reinforcing layer 40 is formed of a second metal material having a third elastic modulus E3 and a second tensile strength R2, and has a second thickness (material thickness) d2.
- the reinforcing layer 40 extends over a third width b3 in the transverse direction X.
- the reinforcing layer 40 integrated into the inner wall 13 according to the first embodiment is aligned horizontally in the X direction so that it preferably comes to rest centrally.
- the reinforcing layer 40 is arranged between two transversely adjacent openings 15, which are arranged in the transverse direction X in the inner wall 13 near the junctions of the inner wall 13 to the side walls 11, 12 so as to occupy a central position.
- the reinforcing layer 40 integrated into the inner wall 13 is oriented in such a way that it also preferably comes to rest centrally and at the same time is not visible through the upper plastic layer lying to the inside of the interpane space.
- the plastic layers lying above and below the reinforcing layer 40 have as much as possible equal material thicknesses.
- the reinforcing layer 40 acts as a reinforcing element.
- the second metal material is preferably a plastically deformable material.
- the second metal material is stainless steel or a steel having a corrosion protection of tin (such as tinplate) or zinc, optionally with a chromium coating or chromate coating.
- the preferred material for the reinforcing layer 40 is steel having a thermal conductivity of ⁇ ⁇ about 50 W / (mK), more preferably ⁇ about 25 W / (mK), and even more preferably ⁇ about 15 W / (mK).
- the second thickness d2 is between 0.30 mm and 0.01 mm, preferably between 0.30 mm and 0.05 mm, more preferably between 0.2 mm and 0.08 mm and even more preferably between 0.20 mm and 0 , 10 mm, eg 0.10 mm, 0.15 mm or 0.20 mm. In the in Fig. 3a ) and b) preferred a second thickness d2 in the range of 0.20 mm to 0.10 mm.
- the second tensile strength R2 for the reinforcing layer 40 is in the range of 800 N / mm 2 to 2,000 N / mm 2 , preferably in the range of 800 N / mm 2 to 1,800 N / mm 2, more preferably in the range of 800 N / mm 2 to 1500 N / mm 2 , and is, for example, 1000 N / mm 2 , 1250 N / mm 2 or 1300 N / mm 2 .
- the third elastic modulus is in the range of 199 kN / mm 2 to 240 kN / mm 2 , preferably in the range of about 199 kN / mm 2 to 210 kN / mm 2 , for example 205 kN / mm 2 .
- the elongation at break of the reinforcing layer 40 is preferably greater than or equal to about 17%, more preferably greater than or equal to about 25%, or equal to about 60%.
- An example of a stainless steel foil is a steel foil 1.4034 or 1.4419 according to DIN EN 10 08812 with a thickness of 0.1 mm.
- An improved bending speed can e.g. by maintaining the following "product relationship" (multiplication relation) between the reinforcing layer 40 and the diffusion barrier layer 30.
- the product of the second tensile strength R2 and the second thickness d2 of the reinforcing layer 40 is larger than the product of the first tensile strength R1 and the first thickness d1 of the diffusion barrier layer 30.
- the product is the third elastic modulus E3 and the second thickness d2 the reinforcing layer 40 is larger than the product of the second elastic modulus E2 and the first thickness d1 of the diffusion barrier layer 30.
- the respective products are selected independently of the width of the two layers 30, 40.
- R2 and d2 are therefore larger than the product of R1 and d1.
- the strength of the reinforcing layer 40 is higher than that of the same width layer of the first metal material of the diffusion barrier layer 30.
- the reinforcing layer 40 has a larger third elastic modulus E3 than the second elastic modulus E2 of the diffusion barrier layer 30.
- the product of E3 and d2 is larger than the product of E2 and d1.
- the rigidity of the reinforcing layer 40 is higher than that of an equal width layer of the first metal material of the diffusion barrier layer 30.
- the hygroscopic material to be filled into the chamber 20 must be in contact with the space between the panes in order to be effective.
- the openings 15 are provided in the inner wall 13, which are preferably in close proximity to the side walls 11, 12.
- the openings 15 are arranged so that they do not intersect with the reinforcing layer 40.
- the inner wall 13 is therefore intentionally not diffusion-tight.
- the non-diffusion-tight design could additionally or alternatively also be done by the choice of material for the entire profile body 10 and / or the inner wall 13 and the reinforcing layer 40 such that the material allows a corresponding diffusion without the formation of the openings 15.
- the formation of the openings 15 is preferred.
- Fig. 4a and b) show a spacer profile according to a second embodiment in a W and a U configuration.
- the profile body 10 of the spacer profile corresponds to the profile body 10 of the first embodiment.
- the diffusion barrier layer 30a has a first tensile strength R1 and a second elastic modulus E2.
- the material of a reinforcing layer 40a in the second embodiment preferably corresponds to the material of the diffusion barrier layer 30a.
- a second tensile strength R2 of the reinforcing layer 40a is equal to the first tensile strength R1 of the diffusion barrier layer 30a, and additionally or alternatively, a third elastic modulus E3 is equal to the second elastic modulus E2.
- the values for the first thickness (material thickness) d1a of the diffusion barrier layer 30a correspond, by way of example, to the values for the first thickness d1 according to the first embodiment.
- the first thickness d1a may preferably also have a value between 0.05 mm and 0.01 mm, corresponding to the value range given above.
- a second thickness d2a of the reinforcing layer 40a is larger (thicker) than the first thickness d1 in compliance with the above-specified product relationship in the second embodiment.
- the second thickness d2a is in the size range of d2 given above.
- a second thickness d2a in the range of 0.3 mm to 0.11 mm is preferred.
- d1a 0.10 mm
- the strength and / or rigidity of the reinforcing layer 40a is higher than that of the same width layer of the first metal material of the diffusion barrier layer 30a.
- Fig. 5a ) to d) show a spacer according to a third embodiment in a W and a U configuration.
- the profile body 10 of the spacer profile according to the third embodiment corresponds to the profile body 10 of the first embodiment.
- a second tensile strength R2 of a reinforcing layer 40b is greater than a first tensile strength R1 of a diffusion barrier layer 30b. Additionally or alternatively, a third elastic modulus E3 of the reinforcement layer 40b is greater than a second elastic modulus E2 of the diffusion barrier layer 30b.
- the first thickness d1b corresponds to the first embodiment.
- the second thickness d2b of the reinforcing layer 40b is larger than the first thickness d1b in this embodiment.
- the product of R2 and d2b is larger than the product of R1 and d1. Additionally or alternatively, the product of E3 and d2b is larger than the product of E2 and d1.
- d1 0.10 mm
- d2b 0.20 mm
- R1 750 N / mm 2
- R 2 1000 N / mm 2
- E2 195 kN / mm 2
- E3 240 kN / mm 2.
- the strength and / or rigidity of the reinforcing layer 40b is higher than that of the same width layer of the first metal material of the diffusion barrier layer 30b.
- the reinforcing layer 40b may also be mounted on the chamber-facing side of the inner wall 13.
- the reinforcing layer 40b is attached to the inner wall 13 such that the thickness of the inner wall 13 in the region where the reinforcing layer 40b is attached to the inner wall 13 is reduced by the corresponding thickness d2b of the reinforcing layer 40b. That is, the reinforcing layer 40b is buried in the wall.
- the reinforcing layer 40b is applied on the inner wall 13, for example by means of an additional adhesion promoter. The cross section of the inner wall 13 of the profile body 10 does not change in the region in which the reinforcing layer 40b is applied.
- the reinforcing layer 40b may also be mounted on the chamber-facing side of the inner wall 13 in any other embodiment.
- Fig. 6a ) and b) show a spacer according to a fourth embodiment in a W and a U configuration.
- the profile body 10 of the spacer profile according to the fourth embodiment corresponds to the profile body 10 of the first embodiment.
- a second thickness d2c is smaller than a first thickness d1c in this embodiment. If the product relationship is maintained, the smaller second thickness d2c must be replaced by a corresponding one higher second tensile strength R2 can be compensated. Additionally or alternatively, the smaller second thickness d2c can be compensated by a correspondingly higher third elastic modulus E3.
- a second tensile strength R2 of the reinforcing layer 40c is thus greater than a first tensile strength R1 of the diffusion barrier layer 30c. Additionally or alternatively, a third elastic modulus E3 of a reinforcing layer 40c is greater than the second elastic modulus E2 of the diffusion barrier layer 30c.
- d1c 0.12 mm
- d2c 0.10 mm
- R1 750 N / mm 2
- E2 195 kN / mm 2
- the product relationship is: (d2c x R2)> (d1c x R1). It follows that and R2 is> 900 N / mm 2 .
- the product relationship is: (d2c x E3)> (d1c x E2). It follows that E3> 234kN / mm 2 .
- the strength and / or rigidity of the reinforcing layer 40c is higher than that of a same width layer of the first metal material of the diffusion barrier layer 30c.
- the heat conductivity through the reinforcing layer 40c is lowered.
- the diffusion barrier layer 30 is formed on the outer sides of the outer wall 14 and the side walls 11, 12 facing away from the chamber 20.
- the film 30 extends on the side walls in the vertical direction Y up to the height h2 of the chamber 20.
- the one-piece diffusion barrier layer 30 has profiled extension sections 31, 32, each with a profile 31 a, 32 a.
- profile in this context means that the extension section is not exclusively a linear extension of the diffusion barrier layer 30, but that in the two-dimensional representation of the cross section in the XY plane a two-dimensional profile is formed, for example by one or more Bends and / or edges in the extension portion 31, 32 is formed.
- the profile 31a, 32a has a bend (90 °) and a subsequent section (flange) which extends in the transverse direction X from the outer edge of the corresponding side wall 11, 12 over a length 11 inwardly on.
- the largest part of the extension portion is completely enclosed by the material of the profile body.
- the extension section should be as close as possible to the inner wall. Therefore, the area of the profile body (receiving area) in which the extension section is located (received), in the height direction should preferably be significantly above the center line of the profile. In such a case, the extension of the receiving area from the inside of the inner wall 13 of the spacer profile in the Y direction should extend over not more than 40% of the height of the spacer profile.
- the receiving area 16, 17 has a height h3 in the height direction, and the height h3 should be less than or equal to about 0.4 h1, preferably less than or equal to about 0.3 h1, more preferably less than or equal to about 0.2 h1 and more preferably less than or equal to about 0.1 h1.
- the mass of the extension portion is at least about 10% of the mass of the remainder of the diffusion barrier layer 30 located above the centerline of the spacer profile in the height direction, preferably at least about 20%, more preferably at least about 50%, and even more preferably at least about 100%.
- Fig. 7 to 11 show spacer profiles according to a fifth, sixth, seventh and eighth embodiment, which differ from the spacer profiles according to the fourth embodiment in that they have different configurations of the extension portions.
- the material of the diffusion barrier layer 30 in the Fig. 7 to 11 shown spacer profiles corresponds to the material of the diffusion barrier layer 30th according to the fourth embodiment, but can be modified according to the first to third embodiments.
- the product of the first thickness d1 and the second elastic modulus E2 and / or the first thickness d1 and the first tensile strength R1 of the diffusion barrier layer 30 be smaller than the product of the second thickness d2c and the third elastic modulus E3 and or the second thickness d2c and the second tensile strength R2 of the reinforcing layer 40c.
- the fifth embodiment of a spacer which in Fig. 7a ) and b) differs from the fourth embodiment in that the extension portions 31, 32 are almost twice as long as in the first embodiment, with the extension length 11 remaining the same.
- part of the material of the profile body is enclosed on three sides by the profiles 31b, 32b. This containment causes the encapsulated material to act as a substantially incompressible volume element during a buckling bending operation.
- a spacer profile is described according to a sixth embodiment, wherein in the Fig. 8c ) and d) the areas surrounded by a circle in a) and b) are shown enlarged.
- the sixth embodiment of a spacer differs from the fourth embodiment in that the diffusion barrier layer 30 including the extension sections 31, 32 runs completely on the outside of the profile body 10.
- the extension sections 31, 32 and their profiles 31c, 32c are thus visible in the assembled state on the inside (the "outer side" facing the space between the panes), since they are not covered on the inside by the material of the profile body but are exposed.
- the extension portion is arranged as close as possible to the inside.
- FIG. 8 For example, embodiments shown could be modified by extending the extension portion 31, 32 and similar to that shown in FIG Fig. 5 (or in Fig. 7-9 ) inwardly into a receiving area 16, 17 runs.
- Fig. 9a ) and b) are cross-sectional views of a spacer profile according to a seventh embodiment.
- the seventh embodiment differs from the fourth embodiment in that the bend is not a 90 ° bend but a 180 ° bend, so that the part of the extension portion adjoining the bend in the profiles 31d, 32d is not in the transverse direction X but in FIG Height direction Y extends.
- the three-sided enclosure of a part of the material of the profile body in the receiving areas 16, 17 is achieved, although only one bend is present, so that once a bending of the spacer profile with compression a substantially non-compressible acting volume element is present.
- FIG. 10a and b) are cross-sectional views of a spacer profile according to an eighth embodiment.
- the eighth embodiment differs from the fourth embodiment only in that the radius of curvature of the bending of the profiles 31e, 32e is smaller than in the seventh embodiment.
- Fig. 11 a) and b) 15 are cross-sectional views of a spacer profile according to a ninth embodiment.
- the ninth embodiment is different from the fourth to eighth embodiments disclosed in FIGS Fig. 6-10 in that the profiles 31f, 32f first have a bend of about 45 ° inwards, then a bend of about 45 ° in the opposite direction and then a 180 ° bend with the corresponding three-sided inclusion of a part of the material of the profile body ,
- the length (in the cross section perpendicular to the longitudinal direction) of the profile or the extension portion and thus the mass of the diffusion barrier layer additionally added to this portion or area of the spacer profile can be increased significantly. This results in a shift of the bending line, which in turn results in a reduction of wrinkling. Furthermore, the slack is significantly reduced, since the curved, angled and / or folded profile or Extension portion significantly contributes to the strength of the structural integrity of the curved spacer frame.
- Fig. 12a and b) show a spacer profile according to a tenth embodiment in a W and a U configuration.
- the profile body 10 of the spacer profile according to the ninth embodiment corresponds to the profile body 10 of the second embodiment.
- the material of the diffusion barrier layer 30, for example, corresponds to the material of the diffusion barrier layer 30 of the second embodiment and has, for example, the same first tensile strength R1 and the same second elastic modulus E2.
- the second tensile strength R2 and / or the third elastic modulus E3 of the material of a reinforcing layer 40d is equal to the first tensile strength R1 and / or the second elastic modulus E2 of the diffusion barrier layer 30.
- the first thickness (material thickness) d1 of the diffusion barrier layer 30 is smaller than a second thickness d2d of the reinforcing layer 40d.
- the profile body 10 has additional openings 15 which extend through the inner wall 13 and the reinforcing layer 40d. Thereby, the moisture exchange through the inner wall 13 can be improved.
- Fig. 13a ) and b) show a spacer profile according to an eleventh embodiment in a W and a U configuration.
- the spacer profile according to the eleventh embodiment is different from the spacer profile of the tenth embodiment in that a diffusion barrier layer 30e is formed in the outer wall 14 and in the sidewalls 11, 12. It is advantageous if the diffusion barrier layer 30e is arranged centrally in the outer wall 14 and the walls of the profile body 10 uniformly surround the diffusion barrier layer 30e.
- the features of the different embodiments can be combined freely with each other.
- the product of the second tensile strength R2 and the second thickness d2, d2a, d2b, d2c, d2d is greater than the product of the first tensile strength R1 and the first thickness d1, d1a, d1b, d1c, d1e.
- product of the third elastic modulus E3 and the second thickness d2, d2a, d2b, d2c, d2d is always larger than the product of the second elastic modulus E2 and the first thickness d1, d1c, d1e.
- the reinforcing layer shown also has a second thickness d2d which is smaller than the first thickness d1e.
- the diffusion barrier layer can also be formed in one side wall 11, 12 and applied to the other side wall 11, 12. Furthermore, the diffusion barrier layer may also be formed on or in the outer wall 14 and on or in the side walls 11, 12. The diffusion barrier layer can be formed completely or only partially in or on the side walls 11, 12.
- the profile body 10 may further be trapezoidal, square, diamond-shaped or otherwise formed.
- the bulges can assume other shapes, for example, be doubly booked, be asymmetrically bulged etc.
- the reinforcement layer 40 may extend over the entire width b1 or only partially over the width b1.
- the reinforcing layer 40 may also be applied asymmetrically.
- an insulating disk unit with the spacer profile frame 50 is manufactured in the following steps.
- the spacer profile in an embodiment described above is produced by, for example, extrusion.
- a spacer profile frame 50 made by corresponding bending deformation of the spacer profile.
- the ends of the spacer profile are joined together by means of a connector.
- the side walls 11, 12 of the spacer profile 50 by means of diffusion-tight adhesive material in each case with a disc inside the Slices 51, 52 glued.
- the remaining clear space between the inner sides of the disks on the side of the spacer frame 50 facing away from the panes 53 of the panes 51, 52 and of the adhesive material 61 is filled with a mechanically stabilizing sealing material 62.
- the spacer frame can also be assembled from a plurality, preferably four individual spacer profiles by means of corner connectors to form a spacer frame.
- the solution by means of a bending process is preferable.
- the first and second thickness need not be constant, but may also be thicker at the edges, for example, than in a central area.
- the chamber can also be divided by intermediate walls into several chambers.
- the first height h1 is in the height direction Y between 10 mm and 5 mm, preferably between 8 mm and 6 mm, such. 7 mm, 7.5 mm and 8 mm.
- the second height h2 is in the height direction Y between 9 mm and 2 mm, preferably between 7 mm and 4 mm, such. 4.5 mm, 5 mm and 5.5 mm
- the first width b1 is in the transverse direction X between 20 mm and 6 mm, preferably between 16 mm and 8 mm, such as. 8 mm, 10 mm and 14 mm
- the second width b2 is in the transverse direction X between 17 mm and 5 mm and preferably between 15 mm and 7 mm, such as. 7 mm, 9 mm and 12.5 mm.
- the chamber in the region of the concave cut-outs has a transverse width X of between 15 mm and 5 mm, e.g. 10 mm up.
- the chamber has a height in the height direction Y between 6 mm and 2.5 mm, such as 3.5 mm, in the region of the concave cutouts.
- the third width b3 is in the transverse direction X between 20 mm and 4 mm, preferably between 15 mm and 7 mm, such as. 6 mm, 8 mm and 11 mm.
- the possible values for the thickness d1 correspond to the possible values for the thicknesses d1a, d1b, d1c and d1e.
- the possible values for the thickness d2 correspond to the possible values for the thicknesses d2a, d2b, d2c and d2d.
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Laminated Bodies (AREA)
- Securing Of Glass Panes Or The Like (AREA)
- Door And Window Frames Mounted To Openings (AREA)
- Wing Frames And Configurations (AREA)
Description
Die vorliegende Erfindung betrifft ein Abstandshalterprofil zur Verwendung in Isolierscheibeneinheiten mit einem solchen Abstandshalterprofil.The present invention relates to a spacer profile for use in insulating disk units having such a spacer profile.
Isolierscheibeneinheiten mit wenigstens zwei Scheiben, die in der Isolierscheibeneinheit in einem Abstand voneinander gehalten werden, sind bekannt. Isolierscheiben sind normalerweise aus anorganischem oder organischem Glas oder aus anderen Materialien wie Plexiglas ausgebildet. Der Abstand der Scheiben wird normalerweise durch einen Abstandshalterrahmen, der aus mindestens einem Abstandshalterprofil ausgebildet wird, gewährleistet. Abstandshalterprofile sollen dabei eine gute Wärmedämmung aufweisen. Der Abstandshalterrahmen wird bevorzugt aus einem Stück derart gebogen, dass er nach dem Biegen an einer Stelle des Abstandshalterrahmens mittels eines Verbinders zu schließen ist.Insulating disk units having at least two disks spaced apart in the insulating disk unit are known. Insulating washers are usually made of inorganic or organic glass or other materials such as Plexiglas. The spacing of the discs is normally ensured by a spacer frame formed of at least one spacer profile. Spacer profiles should have good thermal insulation. The spacer frame is preferably bent in one piece so that, after bending, it is to be closed at a location of the spacer frame by means of a connector.
Der Scheibenzwischenraum wird bevorzugt mit einem isolierenden Inertgas wie beispielsweise Argon, Krypton, Xenon, etc. gefüllt. Das Füllgas soll nicht aus dem Scheibenzwischenraum entweichen können. Darüber hinaus soll es natürlich auch in der Umgebungsluft enthaltenem Stickstoff, Sauerstoff, Wasser, etc. nicht möglich sein, in den Scheibenzwischenraum einzutreten. Darum muss das Abstandshalterprofil diese Diffusion verhindern. Abstandshalterprofile weisen daher eine Diffusionsbarrierenschicht auf, die den Scheibenzwischenraum zur Umgebung abdichtet. Soweit hier der Begriff "Diffusionsdichtigkeit" bezüglich des Abstandshalterprofils oder der das Abstandshalterprofil bildenden Materialien verwendet wird, sind im der folgenden Beschreibung sowohl Dampfdiffusionsdichtigkeit als auch Gasdiffusionsdichtigkeit für die in Rede stehenden Gase gemeint.The disc space is preferably filled with an insulating inert gas such as argon, krypton, xenon, etc. The filling gas should not be able to escape from the space between the panes. In addition, it should of course also in the ambient air contained nitrogen, oxygen, water, etc., not be possible to enter the space between the panes. Therefore, the spacer profile must prevent this diffusion. Spacer profiles therefore have a diffusion barrier layer which seals the space between the panes and the environment. As used herein, the term "diffusion-tightness" with respect to the spacer profile or materials forming the spacer profile, in the following description means both vapor-diffusion-tightness and gas-diffusion-tightness for the gases in question.
Weiterhin spielt zur Erzielung einer geringen Wärmeleitung bei diesen Isolierscheibeneinheiten insbesondere die Wärmeübertragung des Randverbundes, d.h. des Verbundes des Rahmens der Isolierscheibeneinheit, der Scheiben und des Abstandshalterrahmens, eine sehr große Rolle. Isolierscheibeneinheiten, die eine hohe Wärmedämmung im Randverbund sicherstellen, erfüllen die sogenannten "warm edge"-Bedingungen entsprechend der Bedeutung des Begriffs in der Technik.Furthermore, in order to achieve a low heat conduction in these insulating disk units, in particular the heat transfer of the edge bond, i. the composite of the frame of the Isolierscheibeneinheit, the discs and the spacer frame, a very large role. Insulating disk units, which ensure high thermal insulation in the edge bond, meet the so-called "warm edge" conditions according to the meaning of the term in the art.
Die
Aus der
Es ist eine Aufgabe der vorliegenden Erfindung, ein Abstandshalterprofil zur Verwendung als Abstandshalterrahmen, das zur Montage in und/oder entlang eines Randbereichs einer Isolierfenstereinheit zur Ausbildung und zum Beibehalten eines Zwischenraums zwischen Fensterscheiben geeignet ist, das sowohl die "warm edge"- Bedingungen erfüllt, die gewünschten Diffusionsdichtigkeiten aufweist und zusätzlich einen schnellen Biegeprozess erlaubt, anzugeben.It is an object of the present invention to provide a spacer profile for use as a spacer frame suitable for mounting in and / or along a peripheral region of an insulated window unit for forming and maintaining a gap between window panes that meets both warm edge conditions, has the desired diffusion tightness and additionally allows a fast bending process to specify.
Diese Aufgabe wird gelöst durch ein Abstandshalterprofil nach Anspruch 1 oder 4 bzw. eine Isolierscheibeneinheit nach Anspruch 10.This object is achieved by a spacer profile according to claim 1 or 4 or an insulating disk unit according to
Weiterbildungen der Erfindung sind in den abhängigen Ansprüchen angeben.Further developments of the invention are specified in the dependent claims.
Die Verstärkungsschicht kann so vorgesehen werden, dass sie dünner als die Diffusionsbarrierenschicht ist, aber eine entsprechend höhere Festigkeit und/oder ein entsprechend höheres Elastizitätsmodul aufweist. Vorteilhafterweise wird durch die vergleichsweise dünnere Verstärkungsschicht weniger Wärme übertragen.The reinforcing layer may be provided to be thinner than the diffusion barrier layer but having a correspondingly higher strength and / or a correspondingly higher modulus of elasticity. Advantageously, less heat is transferred by the comparatively thinner reinforcement layer.
Die Produktivität des Biegeprozesses hängt direkt mit der Biegegeschwindigkeit zusammen, d.h. der Winkelgeschwindigkeit, mit der das Profil um den Biegeradius bewegt wird. Die Biegegeschwindigkeit ist bei Abstandshalterprofilen auf eine maximale Biegegeschwindigkeit begrenzt, die sich dadurch ergibt, dass längere Profilabschnitte beim Biegen in größeren Abständen vom Biegeradius sehr stark beschleunigt werden und es bei Überschreiten der maximalen Biegegeschwindigkeit zu ungewollten Verformungen kommt.The productivity of the bending process is directly related to the bending speed, ie the angular velocity at which the profile is moved around the bend radius. The bending speed is limited in spacer profiles to a maximum bending speed, which results from the fact that longer profile sections when bending at longer intervals From the bending radius are accelerated very strong and it comes when exceeding the maximum bending speed to unwanted deformations.
Durch die zusätzliche Verstärkungsschicht wird beim Biegeprozess ein qualitativ hochwertiges Ergebnis erzielt und zusätzlich die maximale Biegegeschwindigkeit deutlich erhöht.The additional reinforcement layer achieves a high-quality result during the bending process and, in addition, significantly increases the maximum bending speed.
Weitere Merkmale und Zweckmäßigkeiten ergeben sich aus der Beschreibung von Ausführungsformen anhand der Figuren.
- Fig.1
- zeigt in a) und b) je eine perspektivische Querschnittsansicht der Anordnung der Scheiben in einer Isolierscheibeneinheit mit dazwischen angeordnetem Abstandshalterprofil, Klebematerial und Dichtmaterial.
- Fig. 2
- zeigt eine Seitenansicht, teilweise aufgeschnitten, eines aus einem Abstandshalterprofil gebogenem Abstandshalterrahmens.
- Fig. 3
- zeigt eine Querschnittsansicht eines Abstandshalterprofils nach einer ersten Ausführungsform, in a) in einer W-Konfiguration und in b) in einer U-Konfiguration.
- Fig. 4
- zeigt eine Querschnittsansicht eines Abstandshalterprofils nach einer zweiten Ausführungsform, in a) in einer W-Konfiguration und in b) in einer U-Konfiguration.
- Fig. 5
- zeigt eine Querschnittsansicht eines Abstandshalterprofils nach einer dritten Ausführungsform, in a) und c) in einer W-Konfiguration und in b) und d) in einer U-Konfiguration.
- Fig. 6
- zeigt eine Querschnittsansicht eines Abstandshalterprofils nach einer vierten Ausführungsform, in a) in einer W-Konfiguration und in b) in einer U-Konfiguration.
- Fig. 7
- zeigt eine Querschnittsansicht eines Abstandshalterprofils nach einer fünften Ausführungsform, in a) in einer W-Konfiguration und in b) in einer U-Konfiguration.
- Fig. 8
- zeigt eine Querschnittsansicht eines Abstandshalterprofils nach einer sechsten Ausführungsform, in a) in einer W-Konfiguration, in b) in einer U-Konfiguration, in c) eine vergrößerte Ansicht des in a) von einem Kreis umgebenen Abschnitts, und in d) eine vergrößerte Ansicht des in b) von einem Kreis umgebenen Abschnitts.
- Fig. 9
- zeigt eine Querschnittsansicht eines Abstandshalterprofils nach einer siebten Ausführungsform, in a) in einer W-Konfiguration und in b) in einer U-Konfiguration;
- Fig. 10
- zeigt eine Querschnittsansicht eines Abstandshalterprofils nach einer achten Ausführungsform in a) in einer W-Konfiguration und in b) in einer U-Konfiguration.
- Fig. 11
- zeigt eine Querschnittsansicht eines Abstandshalterprofils nach einer neunten Ausführungsform in a) in einer W-Konfiguration und in b) in einer U-Konfiguration.
- Fig. 12
- zeigt eine Querschnittsansicht eines Abstandshalterprofils nach einer zehnten Ausführungsform in a) in einer W-Konfiguration und in b) in einer U-Konfiguration.
- Fig. 13
- zeigt eine Querschnittsansicht eines Abstandshalterprofils nach einer elften Ausführungsform in a) in einer W-Konfiguration und in b) in einer U-Konfiguration.
- Fig.1
- shows in a) and b) each have a perspective cross-sectional view of the arrangement of the discs in a Isolierscheibeneinheit with interposed spacer profile, adhesive material and sealing material.
- Fig. 2
- shows a side view, partially cut away, of a spacer frame bent spacer profile.
- Fig. 3
- shows a cross-sectional view of a spacer profile according to a first embodiment, in a) in a W configuration and in b) in a U-configuration.
- Fig. 4
- shows a cross-sectional view of a spacer profile according to a second embodiment, in a) in a W configuration and in b) in a U-configuration.
- Fig. 5
- shows a cross-sectional view of a spacer profile according to a third embodiment, in a) and c) in a W-configuration and in b) and d) in a U-configuration.
- Fig. 6
- shows a cross-sectional view of a spacer profile according to a fourth embodiment, in a) in a W configuration and in b) in a U-configuration.
- Fig. 7
- shows a cross-sectional view of a spacer profile according to a fifth embodiment, in a) in a W configuration and in b) in a U-configuration.
- Fig. 8
- shows a cross-sectional view of a spacer profile according to a sixth embodiment, in a) in a W configuration, in b) in a U-configuration, in c) an enlarged view of the in a) surrounded by a circle portion, and in d) an enlarged View of the section surrounded by a circle in b).
- Fig. 9
- shows a cross-sectional view of a spacer profile according to a seventh embodiment, in a) in a W configuration and b) in a U-configuration;
- Fig. 10
- shows a cross-sectional view of a spacer profile according to an eighth embodiment in a) in a W-configuration and in b) in a U-configuration.
- Fig. 11
- shows a cross-sectional view of a spacer profile according to a ninth embodiment in a) in a W configuration and in b) in a U-configuration.
- Fig. 12
- 10 shows a cross-sectional view of a spacer profile according to a tenth embodiment in a) in a W configuration and in b) in a U configuration.
- Fig. 13
- shows a cross-sectional view of a spacer profile according to an eleventh embodiment in a) in a W-configuration and in b) in a U-configuration.
Nachfolgend werden Ausführungsformen unter Bezugnahme auf die Figuren beschrieben. Gleiche Merkmale sind in allen Figuren durch dieselben Bezugszeichen bezeichnet. Nicht in allen Figuren sind aus Gründen der Übersichtlichkeit alle Bezugszeichen eingesetzt. Das in
In den
Das Abstandshalterprofil ist in den
Der Begriff "elastisch-plastisch verformbar" bedeutet hier, dass bei dem Material nach einem Biegeprozess elastische Rückstellkräfte wirksam sind, wie es typischerweise für Kunststoffe der Fall ist, dass aber ein Teil der Biegung über eine plastische, nicht reversible Verformung erfolgt. Unter "schlecht wärmeleitend" soll hier verstanden sein, dass der Wärmeleitwert ≤ 0,4 W / (m K) ist.The term "elastic-plastically deformable" here means that in the material after a bending process elastic restoring forces are effective, as is typical for plastics the case is that part of the bend is made by a plastic, non-reversible deformation. By "poor heat-conducting" should be understood here that the thermal conductivity ≤ 0.4 W / (m K).
Das erste Material ist vorzugsweise ein Kunststoff, vorzugsweise Polyolefin und noch bevorzugter Polypropylen, Polyethylenterephthalat, Polyamid oder Polycarbonat, beispielsweise Acrylnitril-Butadien-Styrol-Copolymerisat, Novolen 1040K® oder PA66 GF25. Das erste Material hat bevorzugt einen ersten Elastizitätsmodul E1 ≤ 3000 N/mm2 und einen Wärmeleitwert kleiner oder gleich 0,4 W/(m K), bevorzugt kleiner oder gleich 0,2 W/(m K).The first material is preferably a plastic material, preferably polyolefin and still more preferably polypropylene, polyethylene terephthalate, polyamide or polycarbonate, for example, acrylonitrile-butadiene-styrene copolymer, Novolen 1040K ® or PA66 GF25. The first material preferably has a first modulus of elasticity E1 ≦ 3000 N / mm 2 and a thermal conductivity less than or equal to 0.4 W / (m K), preferably less than or equal to 0.2 W / (m K).
Der Profilkörper 10 weist eine Innenwand 13 und eine Außenwand 14, die mit einem Abstand h2 in Höhenrichtung Y beabstandet sind und sich in die Querrichtung X erstrecken, auf. Der Profilkörper 10 weist zwei Seitenwände 11, 12, die mit einem Abstand b2 in Querrichtung X beabstandet sind und sich im Wesentlichen in die Höhenrichtung Y erstrecken, auf. Die Seitenwände 11, 12 sind durch die Innenwand 13 und durch die Außenwand 14 so verbunden, dass eine Kammer 20 zur Aufnahme von hygroskopischem Material gebildet wird, die im Querschnitt nach allen Seiten durch die Wände 11-14 des Profilkörpers 10 begrenzt wird. Die Kammer weist eine zweite Höhe h2 in Höhenrichtung Y und eine zweite Breite b2 in der Querrichtung X auf.The
Die Seitenwände 11, 12 dienen als Anlegestege für die Innenseiten der Scheiben 51, 52. Der Profilkörper 10 wird über die Seitenwände 11, 12 mit den Innenseiten der Scheiben 51, 52 mittels des Klebmaterials 61 gasdicht verklebt. Die Innenwand 13 weist im montierten Zustand des Abstandhalterprofils nach innen zu dem Scheibenzwischenraum 53 hin.The
Der Profilkörper 10 ist stoffschlüssig (z.B. durch Fusion oder Klebstoff verbunden) mit einer einstückigen Diffusionsbarrierenschicht 30 verbunden, die vorzugsweise als eine Diffusionssperrfolie ausgebildet ist. Die Diffusionsbarrierenschicht 30 ist nach der ersten Ausführungsform auf den der Kammer 20 abgewandten Außenseiten der Außenwand 14 und der Seitenwände 11, 12 ausgebildet. Die Diffusionsbarrierenschicht 30 erstreckt sich auf den Seitenwänden in Höhenrichtung Y bis zur Höhe h2 der Kammer 20.The
Die Diffusionsbarrierenschicht 30 ist aus einem ersten Metallmaterial mit einem zweiten Elastizitätsmodul E2 und einer ersten Zugfestigkeit R1 ausgebildet und weist eine erste Dicke (Materialstärke) d1 auf.The
Das erste Metallmaterial ist bevorzugt ein plastisch verformbares Material. Der Begriff "plastisch verformbar" bedeutet hier, dass nach der Verformung praktisch keine elastischen Rückstellkräfte wirken. Dieses ist typischerweise zum Beispiel beim Biegen von Metallen über deren Streckgrenze hinaus der Fall. Vorzugsweise ist das erste Metallmaterial Edelstahl oder ein Stahl mit einem Korrosionsschutz aus Zinn (wie Weißblech) oder Zink, gegebenenfalls, falls nötig oder gewünscht, mit einer Chrombeschichtung oder Chromatbeschichtung.The first metal material is preferably a plastically deformable material. The term "plastically deformable" here means that act after the deformation virtually no elastic restoring forces. This is typically the case, for example, when bending metals beyond their yield point. Preferably, the first metal material is stainless steel or a steel having an anticorrosive coating of tin (such as tinplate) or zinc, optionally, if necessary or desired, with a chromium coating or chromate coating.
Die Zugfestigkeit [N/mm2] ist eine Werkstoffmaterialeigenschaft, die nicht von der Querschnittsfläche oder ähnlichem abhängig ist. Sie gibt eine Kraft pro Einheitsfläche an, ab der das Material bei Zug versagt (z.B. reißt). Der Elastizitätsmodul [N/mm2] ist ein Materialkennwert, der den Zusammenhang (Verhältnis) zwischen der Spannung und der Dehnung bei Verformung eines festen Körpers angibt.The tensile strength [N / mm 2 ] is a material material property that does not depend on the cross-sectional area or the like. It indicates a force per unit area at which the material fails (eg breaks). The modulus of elasticity [N / mm 2 ] is a material characteristic value indicating the relationship (relationship) between the stress and the elongation at deformation of a solid body.
Für die stoffschlüssige Verbindung des Profilkörpers 10 und der Diffusionsbarrierenschicht 30 muss wenigstens eine Seite der Diffusionsbarrierenschicht 30 stoffschlüssig mit dem Profilkörper verbunden sein.For the cohesive connection of the
Der Begriff "stoffschlüssig verbunden" bedeutet hier, dass der Profilkörper 10 und die Diffusionsbarrierenschicht 30, beispielsweise durch Koextrudieren des Profilkörpers mit der Diffusionsbarrierenschicht 30, und/oder gegebenenfalls mit der Verwendung von Haftvermittlern, dauerhaft miteinander verbunden werden. Bevorzugt ist, dass die Festigkeit dieses stoffschlüssigen Verbundes so groß ist, dass sich die Materialien im Schälversuch (z.B. nach DIN 53282) nicht trennen lassen.The term "cohesively connected" here means that the
Das bevorzugte erste Metallmaterial für die Diffusionsbarrierenschicht 30 ist Stahl bzw. Edelstahl mit einem Wärmeleitwert von λ ≤ ungefähr 50 W/(mK), bevorzugter ungefähr 25 W/(mK) und noch bevorzugter ≤ ungefähr 15 W/(mK).The preferred first metal material for the
Die erste Dicke (Materialstärke) d1 der Diffusionsbarrierenschicht 30 liegt zwischen 0,30 mm und 0,01 mm, bevorzugt zwischen 0,20 mm und 0,01 mm, noch bevorzugter zwischen 0,10 mm und 0,01 mm und noch bevorzugter zwischen 0,05 mm und 0,01 mm, z.B. 0,02 mm, 0,03 mm oder 0,04 mm. Weiterhin ist denkbar, dass die Diffusionsbarrierenschicht 30 nur als aufgebrachte Metallschicht mit mehr als drei Atomlagen ausgebildet ist.The first thickness (material thickness) d1 of the
Die Maximaldicke ist entsprechend der gewünschten Wärmeleitwerte zu wählen. Je dünner die Folie ist, desto besser werden die "warm edge"-Bedingungen erfüllt. Die in den
Die erste Zugfestigkeit R1 für dieses Metallmaterial liegt im Bereich von 470 N/mm2 bis 800 N/mm2, noch bevorzugter im Bereich von 630 N/mm2 bis 740 N/mm2, und ist beispielsweise 500 N/mm2, 580 N/mm2 oder 600 N/mm2.The first tensile strength R1 for this metal material is in the range of 470 N / mm 2 to 800 N / mm 2 , more preferably in the range of 630 N / mm 2 to 740 N / mm 2 , and is 500 N / mm 2 , 580, for example N / mm 2 or 600 N / mm 2 .
Der zweite Elastizitätsmodul E2 liegt im Bereich von 195 kN/mm2 bis 210 kN/mm2, bevorzugt im Bereich von 195 kN/mm2 bis 199 kN/mm2, und ist beispielsweise 196 kN/mm2, 197 kN/mm2 oder 198 kN/mm2.The second elastic modulus E2 is in the range of 195 kN / mm 2 to 210 kN / mm 2 , preferably in the range of 195 kN / mm 2 to 199 kN / mm 2 , and is for example 196 kN / mm 2 , 197 kN / mm 2 or 198 kN / mm 2 .
Die Bruchdehnung des ersten Metallmaterials ist bevorzugt größer oder gleich ungefähr 15%, noch bevorzugter größer oder gleich ungefähr 20%.The elongation at break of the first metal material is preferably greater than or equal to about 15%, more preferably greater than or equal to about 20%.
Ein Beispiel für eine Edelstahlfolie ist eine Stahlfolie 1.4301 oder 1.4016 nach DIN EN 10 08812 mit einer Stärke von 0,1 mm und ein Beispiel für eine Weißblechfolie ist eine Folie aus Antralyt E2, 8/2, 8T57 mit einer Dicke von 0,125 mmAn example of a stainless steel foil is a steel foil 1.4301 or 1.4016 according to
Bei der in
In der Innenwand 13 des Profilkörpers 10 ist weiter eine einstückige Verstärkungsschicht 40, die vorzugsweise als ebene Verstärkungsschicht oder-blech ausgebildet ist, stoffschlüssig mit den Profilkörper 10 verbunden. Die Verstärkungsschicht 40 ist aus einem zweiten Metallmaterial mit einem dritten Elastizitätsmodul E3 und einer zweiten Zugfestigkeit R2 ausgebildet und weist eine zweite Dicke (Materialstärke) d2 auf.In the
Die Verstärkungsschicht 40 erstreckt sich über eine dritte Breite b3 in der Querrichtung X. Die entsprechend der ersten Ausführungsform in die Innenwand 13 integrierte Verstärkungsschicht 40 ist horizontal in X-Richtung derart ausgerichtet, dass sie vorzugsweise mittig zum Liegen kommt. Gleichzeitig ist die Verstärkungsschicht 40 zwischen zwei in Querrichtung x benachbarten Öffnungen 15, die in Querrichtung X in der Innenwand 13 nahe den Übergängen der Innenwand 13 zu den Seitenwänden 11, 12 angeordnet sind, so angeordnet, dass sie eine mittige Position einnimmt. In der Höhenrichtung Y ist die in die Innenwand 13 integrierte Verstärkungsschicht 40 derart ausgerichtet, dass sie ebenfalls vorzugsweise mittig zum Liegen kommt und gleichzeitig nicht durch die zur Innenseite des Scheibenzwischenraumes liegende obere Kunststoffschicht hindurch sichtbar ist. In dieser Ausführungsform weisen die ober- und unterhalb der Verstärkungsschicht 40 liegenden Kunststoffschichten möglichst gleiche Materialstärken auf. Die Verstärkungsschicht 40 wirkt als Verstärkungselement.The reinforcing
Das zweite Metallmaterial ist bevorzugt ein plastisch verformbares Material. Vorzugsweise ist das zweite Metallmaterial Edelstahl oder ein Stahl mit einem Korrosionsschutz aus Zinn (wie Weißblech) oder Zink, gegebenenfalls mit einer Chrombeschichtung oder Chromatbeschichtung.The second metal material is preferably a plastically deformable material. Preferably, the second metal material is stainless steel or a steel having a corrosion protection of tin (such as tinplate) or zinc, optionally with a chromium coating or chromate coating.
Das bevorzugte Material für die Verstärkungsschicht 40 ist Stahl bzw. Edelstahl mit einem Wärmeleitwert von λ ≤ ungefähr 50 W/(mK), bevorzugter ≤ ungefähr 25 W/(mK) und noch bevorzugter ≤ ungefähr 15 W/(mK).The preferred material for the reinforcing
Die zweite Dicke d2 liegt zwischen 0,30 mm und 0,01 mm, bevorzugt zwischen 0,30 mm und 0,05 mm, noch bevorzugter zwischen 0,2 mm und 0,08 mm und noch bevorzugter zwischen 0,20 mm und 0,10 mm, z.B. 0,10 mm, 0,15 mm oder 0,20 mm. In der in
Die zweite Zugfestigkeit R2 für die Verstärkungsschicht 40 liegt im Bereich von 800 N/mm2 bis 2000 N/mm2, bevorzugt im Bereich von 800 N/mm2 bis 1800 N/mm2 noch bevorzugter im Bereich von 800 N/mm2 bis 1500 N/mm2, und ist beispielsweise 1000 N/mm2, 1250 N/mm2 oder 1300 N/mm2.The second tensile strength R2 for the reinforcing
Der dritte Elastizitätsmodul liegt im Bereich von 199 kN/mm2 bis 240 kN/mm2, bevorzugt im Bereich von ungefähr 199 kN/mm2 bis 210 kN/mm2, beispielsweise ist er 205 kN/mm2.The third elastic modulus is in the range of 199 kN / mm 2 to 240 kN / mm 2 , preferably in the range of about 199 kN / mm 2 to 210 kN / mm 2 , for example 205 kN / mm 2 .
Die Bruchdehnung der Verstärkungsschicht 40 ist bevorzugt größer oder gleich ungefähr 17%, noch bevorzugter größer oder gleich ungefähr 25% oder gleich ungefähr 60%.The elongation at break of the reinforcing
Ein Beispiel für eine Edelstahlfolie ist eine Stahlfolie 1.4034 oder 1.4419 nach DIN EN 10 08812 mit einer Stärke von 0,1 mm.An example of a stainless steel foil is a steel foil 1.4034 or 1.4419 according to
Eine verbesserte Biegegeschwindigkeit kann z.B. durch Einhalten der folgenden "Produktbeziehung" (Multiplikationsbeziehung) zwischen der Verstärkungsschicht 40 und der Diffusionsbarrierenschicht 30 erreicht werden. Das Produkt aus der zweiten Zugfestigkeit R2 und der zweiten Dicke d2 der Verstärkungsschicht 40 ist größer als das Produkt aus der ersten Zugfestigkeit R1 und der ersten Dicke d1 der Diffusionsbarrierenschicht 30. Alternativ oder zusätzlich ist das Produkt aus dem dritten Elastizitätsmodul E3 und der zweiten Dicke d2 der Verstärkungsschicht 40 größer als das Produkt aus dem zweiten Elastizitätsmodul E2 und der ersten Dicke d1 der Diffusionsbarrierenschicht 30. Die entsprechenden Produkte sind unabhängig von der Breite der beiden Schichten 30, 40 gewählt.An improved bending speed can e.g. by maintaining the following "product relationship" (multiplication relation) between the reinforcing
Entsprechend der ersten Ausführungsform ist beispielsweise d1 = d2 = 0,1 mm. Hieraus ergibt sich entsprechend der oben festgelegten Produktbeziehung, dass die Verstärkungsschicht 40 nach einer ersten Ausführungsform eine zweite Zugfestigkeit R2, die größer als die erste Zugfestigkeit R1 ist, aufweist, z.B. ist R2 = 1500 N/mm2 und R1 = 630 N/mm2. Das Produkt aus R2 und d2 ist also größer als das Produkt aus R1 und d1. Hieraus ergibt sich, dass die Festigkeit der Verstärkungsschicht 40 hoher ist als die einer Schicht gleicher Breite aus dem ersten Metallmaterial der Diffusionsbarrierenschicht 30.According to the first embodiment, for example, d1 = d2 = 0.1 mm. From this, according to the above-described product relationship, according to a first embodiment, the reinforcing
Alternativ oder zusätzlich weist die Verstärkungsschicht 40 einen größeren dritten Elastizitätsmodul E3 als den zweiten Elastizitätsmodul E2 der Diffusionsbarrierenschicht 30 auf. Beispielsweise ist E3 = 210 kN/mm2 und E2 = 195 kN/mm2. Hieraus ergibt sich, dass das Produkt aus E3 und d2 größer als das Produkt aus E2 und d1 ist. Als Folge ist die Steifigkeit der Verstärkungsschicht 40 höher ist als die einer Schicht gleicher Breite aus dem ersten Metallmaterial der Diffusionsbarrierenschicht 30.Alternatively or additionally, the reinforcing
Das in die Kammer 20 zu füllende hygroskopische Material muss, um seine Wirkung entfalten zu können, mit dem Scheibenzwischenraum in Verbindung stehen. Zu diesem Zwecke sind in der Innenwand 13 die Öffnungen 15 vorgesehen, die vorzugsweise in unmittelbarer Nähe zu den Seitenwänden 11, 12 liegen. Die Öffnungen 15 sind so angeordnet, dass sie sich nicht mit der Verstärkungsschicht 40 schneiden. Die Innenwand 13 ist daher absichtlich nicht diffusionsdicht ausgebildet.The hygroscopic material to be filled into the
Die nicht diffusionsdichte Ausbildung könnte zusätzlich oder alternativ auch durch die Wahl des Materials für den gesamten Profilkörper 10 und/oder die Innenwand 13 und die Verstärkungsschicht 40 derart geschehen, dass das Material eine entsprechende Diffusion auch ohne die Ausbildung der Öffnungen 15 erlaubt. Bevorzugt ist aber die Ausbildung der Öffnungen 15.The non-diffusion-tight design could additionally or alternatively also be done by the choice of material for the
Im montierten Zustand kann durch die Öffnungen 15 ein Feuchtigkeitsaustausch zwischen dem Scheibenzwischenraum 53 und der Kammer 20, die mit hygroskopischen Material gefüllt ist, sichergestellt werden (siehe auch
Alle Angaben zu der ersten Ausführungsform gelten auch für alle anderen beschriebenen Ausführungsformen, außer wenn ausdrücklich ein Unterschied beschreiben wird oder in den Figuren gezeigt ist.All statements regarding the first embodiment also apply to all other described embodiments, except where expressly a difference is described or shown in the figures.
Der Profilkörper 10 des Abstandshalterprofils entspricht dem Profilkörper 10 der ersten Ausführungsform. Die Diffusionsbarrierenschicht 30a weist eine erste Zugfestigkeit R1 und einen zweiten Elastizitätsmodul E2 auf.The
Das Material einer Verstärkungsschicht 40a entspricht in der zweiten Ausführungsform vorzugsweise dem Material der Diffusionsbarrierenschicht 30a. Insbesondere ist eine zweite Zugfestigkeit R2 der Verstärkungsschicht 40a gleich der ersten Zugfestigkeit R1 der Diffusionsbarrierenschicht 30a und zusätzlich oder alternativ ein dritter Elastizitätsmodul E3 gleich dem zweiten Elastizitätsmodul E2.The material of a reinforcing
Die Werte für die erste Dicke (Materialstärke) d1a der Diffusionsbarrierenschicht 30a entsprechen beispielhaft den Werten für die erste Dicke d1 nach der ersten Ausführungsform. Die erste Dicke d1a kann aber bevorzugt auch einen Wert zwischen 0,05 mm und 0,01 mm entsprechend dem oben angegebenen Wertebereich aufweisen. Eine zweite Dicke d2a der Verstärkungsschicht 40a ist bei Einhaltung der oben festgelegten Produktbeziehung in der zweiten Ausführungsform größer (dicker) als die erste Dicke d1. Die zweite Dicke d2a liegt im oben angegebenen Größenbereich von d2.The values for the first thickness (material thickness) d1a of the
In der gezeigten Ausführungsform wird eine zweite Dicke d2a im Bereich von 0,3 mm bis 0,11 mm bevorzugt.In the embodiment shown, a second thickness d2a in the range of 0.3 mm to 0.11 mm is preferred.
Beispielsweise ist entsprechend der zweiten Ausführungsform d1a = 0,10 mm, R2 = R1 = 800 N/mm2 und zusätzlich oder alternativ E3 = E2 = 199 kN/mm2. Hieraus ergibt sich entsprechend der Produktbeziehung (d2a x R2) > (d1a x R1) eine zweite Dicke d2a > d1a, beispielsweise d2 = 0,2 mm.For example, according to the second embodiment, d1a = 0.10 mm, R2 = R1 = 800 N / mm 2, and additionally or alternatively E3 = E2 = 199 kN / mm 2 . From this results according to the product relationship (d2a x R2)> (d1a x R1) a second thickness d2a> d1a, for example d2 = 0.2 mm.
Hieraus ergibt sich wiederum, dass die Festigkeit und/oder Steifigkeit der Verstärkungsschicht 40a höher als die einer Schicht gleicher Breite aus dem ersten Metallmaterial der Diffusionsbarrierenschicht 30a ist.As a result, again, the strength and / or rigidity of the reinforcing
Entsprechend der ersten Ausführungsform ist eine zweite Zugfestigkeit R2 einer Verstärkungsschicht 40b größer als eine erste Zugfestigkeit R1 einer Diffusionsbarrierenschicht 30b. Zusätzlich oder alternativ ist ein dritter Elastizitätsmodul E3 der Verstärkungsschicht 40b größer als ein zweiter Elastizitätsmodul E2 der Diffusionsbarrierenschicht 30b.According to the first embodiment, a second tensile strength R2 of a reinforcing layer 40b is greater than a first tensile strength R1 of a
Die erste Dicke d1b entspricht der ersten Ausführungsform. Die zweite Dicke d2b der Verstärkungsschicht 40b ist in dieser Ausführungsform größer als die erste Dicke d1b.The first thickness d1b corresponds to the first embodiment. The second thickness d2b of the reinforcing layer 40b is larger than the first thickness d1b in this embodiment.
Bei Einhaltung der oben genannten Produktbeziehung ergibt sich, dass das Produkt aus R2 und d2b größer als das Produkt aus R1 und d1 ist. Zusätzlich oder alternativ ergibt sich, dass das Produkt aus E3 und d2b größer als das Produkt aus E2 und d1 ist.By adhering to the above product relationship, the product of R2 and d2b is larger than the product of R1 and d1. Additionally or alternatively, the product of E3 and d2b is larger than the product of E2 and d1.
Beispielsweise sind d1 = 0,10 mm, d2b = 0,20 mm, R1 = 750 N/mm2, R2 = 1000 N/mm2, E2 = 195 kN/mm2 und E3 = 240 kN/mm2.For example, d1 = 0.10 mm, d2b = 0.20 mm, R1 = 750 N / mm 2, R 2 = 1000 N / mm 2, E2 = 195 kN / mm 2, and E3 = 240 kN / mm 2.
Hieraus ergibt sich wiederum, dass die Festigkeit und/oder Steifigkeit der Verstärkungsschicht 40b höher als die einer Schicht gleicher Breite aus dem ersten Metallmaterial der Diffusionsbarrierenschicht 30b ist.As a result, again, the strength and / or rigidity of the reinforcing layer 40b is higher than that of the same width layer of the first metal material of the
In
Die Verstärkungsschicht 40b kann auch in jeder anderen Ausführungsform auf der der Kammer zugewandten Seite der Innenwand 13 angebracht werden.The reinforcing layer 40b may also be mounted on the chamber-facing side of the
Eine zweite Dicke d2c ist in dieser Ausführungsform kleiner als eine erste Dicke d1c. Bei Einhaltung der Produktbeziehung muss die kleinere zweite Dicke d2c durch eine entsprechend höhere zweite Zugfestigkeit R2 ausgeglichen werden. Zusätzlich oder alternativ kann die kleinere zweite Dicke d2c durch einen entsprechend höheren dritten Elastizitätsmodul E3 ausgeglichen werden.A second thickness d2c is smaller than a first thickness d1c in this embodiment. If the product relationship is maintained, the smaller second thickness d2c must be replaced by a corresponding one higher second tensile strength R2 can be compensated. Additionally or alternatively, the smaller second thickness d2c can be compensated by a correspondingly higher third elastic modulus E3.
Eine zweite Zugfestigkeit R2 der Verstärkungsschicht 40c ist also größer als eine erste Zugfestigkeit R1 der Diffusionsbarrierenschicht 30c. Zusätzlich oder alternativ ist ein dritter Elastizitätsmodul E3 einer Verstärkungsschicht 40c größer als der zweite Elastizitätsmodul E2 der Diffusionsbarrierenschicht 30c.A second tensile strength R2 of the reinforcing layer 40c is thus greater than a first tensile strength R1 of the
Beispielsweise sind d1c = 0,12 mm, d2c = 0,10 mm, R1 = 750 N/mm2 und E2 = 195 kN/mm2. Die Produktbeziehung lautet: (d2c x R2) > (d1c x R1). Hieraus folgt, dass und R2 > 900 N/mm2 ist. Zusätzlich oder alternativ lautet die Produktbeziehung: (d2c x E3) > (d1c x E2). Hieraus ergibt sich, dass E3 > 234kN/mm2 ist.For example, d1c = 0.12 mm, d2c = 0.10 mm, R1 = 750 N / mm 2 and E2 = 195 kN / mm 2 . The product relationship is: (d2c x R2)> (d1c x R1). It follows that and R2 is> 900 N / mm 2 . Additionally or alternatively, the product relationship is: (d2c x E3)> (d1c x E2). It follows that E3> 234kN / mm 2 .
Hieraus ergibt sich, dass obwohl d2c < d1c ist, dass die Festigkeit und/oder Steifigkeit der Verstärkungsschicht 40c höher als die einer Schicht gleicher Breite aus dem ersten Metallmaterial der Diffusionsbarrierenschicht 30c ist.As a result, although d2c <d1c, the strength and / or rigidity of the reinforcing layer 40c is higher than that of a same width layer of the first metal material of the
Dadurch, dass die zweite Dicke d2c der Verstärkungsschicht 40c kleiner als die erste Dicke d1c der Diffusionsbarrierenschicht 30c ist, ist die Wärmeleitfähigkeit durch die Verstärkungsschicht 40c gesenkt.By making the second thickness d2c of the reinforcing layer 40c smaller than the first thickness d1c of the
Die in den ersten vier Ausführungsformen gezeigten Kombinationen der verschiedenen Dicken d1, d2, Zugfestigkeiten R1, R2 und Elastizitätsmoduln E2, E3 können mit allen weiter gezeigten Ausführungsformen frei kombiniert werden. Die im Folgenden beschriebenen weiteren Merkmale der vierten Ausführungsform sind als optionale Merkmale zu verstehen.The combinations of the different thicknesses d1, d2, tensile strengths R1, R2 and elastic moduli E2, E3 shown in the first four embodiments can be freely combined with all embodiments shown further on. The further features of the fourth embodiment described below are to be understood as optional features.
Die Diffusionsbarrierenschicht 30 ist auf den der Kammer 20 abgewandten Außenseiten der Außenwand 14 und der Seitenwände 11, 12 ausgebildet. Die Folie 30 erstreckt sich auf den Seitenwänden in Höhenrichtung Y bis zur Höhe h2 der Kammer 20. Daran anschließend weist die einstückige Diffusionsbarrierenschicht 30 profilierte Verlängerungsabschnitte 31, 32 mit je einem Profil 31 a, 32a auf.The
Der Begriff "Profil" bedeutet in diesem Zusammenhang, dass der Verlängerungsabschnitt nicht ausschließlich eine lineare Verlängerung der Diffusionsbarrierenschicht 30 ist, sondern dass, in der zweidimensionalen Darstellung des Querschnitts in der X-Y-Ebene ein zweidimensionales Profil ausgebildet ist, das zum Beispiel durch eine oder mehrere Biegungen und/oder Kanten in dem Verlängerungsabschnitt 31, 32 gebildet wird.The term "profile" in this context means that the extension section is not exclusively a linear extension of the
Bei der in
Zusammenfassend kann gesagt werden, dass der Verlängerungsabschnitt möglichst nah an der Innenwand liegen soll. Darum sollte der Bereich des Profilkörpers (Aufnahmebereich), in dem sich der Verlängerungsabschnitt befindet (aufgenommen ist), in Höhenrichtung bevorzugt deutlich oberhalb der Mittellinie des Profils liegen. In einem solchen Fall sollte sich die Ausdehnung des Aufnahmebereiches von der Innenseite der Innenwand 13 des Abstandshalterprofils in Y-Richtung über nicht mehr als 40% der Höhe des Abstandshalterprofils erstrecken. In anderen Worten, der Aufnahmebereich 16, 17 weist eine Höhe h3 in Höhenrichtung auf und die Höhe h3 sollte kleiner oder gleich ungefähr 0,4 h1 sein, bevorzugt kleiner oder gleich ungefähr 0,3 h1, noch bevorzugter kleiner oder gleich ungefähr 0,2 h1 und noch bevorzugter kleiner oder gleich ungefähr 0,1 h1.In summary, it can be said that the extension section should be as close as possible to the inner wall. Therefore, the area of the profile body (receiving area) in which the extension section is located (received), in the height direction should preferably be significantly above the center line of the profile. In such a case, the extension of the receiving area from the inside of the
Vorteilhaft ist darüber hinaus, wenn die Masse des Verlängerungsabschnittes mindestens ungefähr 10% der Masse des übrigen Teils der Diffusionsbarrierenschicht 30, der oberhalb der Mittellinie des Abstandshalterprofils in Höhenrichtung befindlich ist, bevorzugt mindestens ungefähr 20%, noch bevorzugter mindestens ungefähr 50% und noch bevorzugter mindestens ungefähr 100% aufweist.It is further advantageous if the mass of the extension portion is at least about 10% of the mass of the remainder of the
In allen in
Die fünfte Ausführungsform eines Abstandshalters, die in
Zusätzlich wird ein Teil des Materials des Profilkörpers dreiseitig von den Profilen 31b, 32b umschlossen. Diese Umschließung führt dazu, dass das umschlossene Material bei einem Biegevorgang mit Stauchung als ein im Wesentlichen nicht kompressibles Volumenelement wirkt.In addition, part of the material of the profile body is enclosed on three sides by the
Unter Bezugnahme auf die
Die in
In den
In den
In den
Falls das Profil oder der Verlängerungsabschnitt gebogene, gewinkelte und/oder gefaltete Konfigurationen entsprechend er
Der Profilkörper 10 des Abstandshalterprofils entsprechend der neunten Ausführungsform entspricht dem Profilkörper 10 der zweiten Ausführungsform. Das Material der Diffusionsbarrierenschicht 30 entspricht beispielsweise dem Material der Diffusionsbarrierenschicht 30 der zweiten Ausführungsform und weist beispielsweise dieselbe erste Zugfestigkeit R1 und denselben zweiten Elastizitätsmodul E2 auf.The
Das Material der Verstärkungsschicht 40d entspricht beispielsweise dem Material der Diffusionsbarrierenschicht 30. Entsprechend ist die zweite Zugfestigkeit R2 und/oder der dritte Elastizitätsmodul E3 des Materials einer Verstärkungsschicht 40d gleich der ersten Zugfestigkeit R1 und/oder dem zweiten Elastizitätsmodul E2 der Diffusionsbarrierenschicht 30.For example, the second tensile strength R2 and / or the third elastic modulus E3 of the material of a reinforcing
Die erste Dicke (Materialstärke) d1 der Diffusionsbarrierenschicht 30 ist beispielsweise entsprechend der zweiten Ausführungsform kleiner als eine zweite Dicke d2d der Verstärkungsschicht 40d.For example, according to the second embodiment, the first thickness (material thickness) d1 of the
Der Profilkörper 10 weist zusätzliche Öffnungen 15 auf, die durch die Innenwand 13 und die Verstärkungsschicht 40d verlaufen. Dadurch kann der Feuchtigkeitsaustausch durch die Innenwand 13 verbessert werden.The
Die Merkmale der unterschiedlichen Ausführungsformen können frei miteinander kombiniert werden. Das das Produkt aus der zweiten Zugfestigkeit R2 und der zweiten Dicke d2, d2a, d2b, d2c, d2d ist größer als das Produkt aus der ersten Zugfestigkeit R1 und der ersten Dicke d1, d1a, d1b, d1c, d1e. Alternativ oder zusätzlich ist Produkt aus dem dritten Elastizitätsmodul E3 und der zweiten Dicke d2, d2a, d2b, d2c, d2d immer größer als das Produkt aus dem zweiten Elastizitätsmodul E2 und der ersten Dicke d1, d1c, d1e.The features of the different embodiments can be combined freely with each other. The product of the second tensile strength R2 and the second thickness d2, d2a, d2b, d2c, d2d is greater than the product of the first tensile strength R1 and the first thickness d1, d1a, d1b, d1c, d1e. Alternatively or additionally, product of the third elastic modulus E3 and the second thickness d2, d2a, d2b, d2c, d2d is always larger than the product of the second elastic modulus E2 and the first thickness d1, d1c, d1e.
Beispielweise kann in
Die Diffusionsbarrierenschicht kann auch in einer Seitenwand 11, 12 ausgebildet und auf der anderen Seitenwand 11, 12 aufgebracht sein. Des Weiteren kann die Diffusionsbarrierenschicht auch auf oder in der Außenwand 14 und auf oder in den Seitenwänden 11, 12 ausgebildet sein. Die Diffusionsbarrierenschicht kann ganz oder auch nur teilweise in oder auf den Seitenwänden 11, 12 ausgebildet sein.The diffusion barrier layer can also be formed in one
Zusätzlich können in der Verstärkungsschicht 40d weitere Öffnungen 15 zur Verbindung der Kammer 20 mit dem Zwischenraum 53 zwischen den Scheiben 51, 52 ausgebildet sein.In addition,
Der Profilkörper 10 kann weiter auch trapezförmig, quadratisch, rautenförmig oder sonst wie ausgebildet sein. Die Ausbuchtungen können andere Gestalten annehmen, beispielsweise doppelt ausgebuchtet sein, asymmetrisch ausgebuchtet sein etc.The
Die Verstärkungsschicht 40 kann sich über die gesamte Breite b1 oder nur teilweise über die Breite b1 erstrecken. Die Verstärkungsschicht 40 kann auch asymmetrisch aufgebracht sein.The
Eine Isolierscheibeneinheit mit dem Abstandshalterprofilrahmen 50 wird in den Folgenden Schritten hergestellt. Zuerst wird das Abstandshalterprofil in einer oben beschriebenen Ausführungsform durch beispielsweise Extrusion hergestellt. Anschließend wird aus dem Abstandshalterprofil, wie in
Weiterhin kann der Abstandshalterrahmen auch aus einer Mehrzahl, bevorzugt vier einzelnen Abstandshalterprofilen mittels Eckverbinder zu einem Abstandshalterrahmen zusammengefügt werden. Um eine bessere Gasdichtigkeit zu gewährleisten, ist die Lösung mittels eines Biegeprozesses zu bevorzugen.Furthermore, the spacer frame can also be assembled from a plurality, preferably four individual spacer profiles by means of corner connectors to form a spacer frame. To ensure a better gas tightness, the solution by means of a bending process is preferable.
Die erste und zweite Dicke müssen nicht konstant sein, sondern können auch beispielsweise an den Rändern dicker als in einem zentralen Bereich sein.The first and second thickness need not be constant, but may also be thicker at the edges, for example, than in a central area.
Die Kammer kann auch durch Zwischenwände in mehrere Kammern geteilt werden.The chamber can also be divided by intermediate walls into several chambers.
Die erste Höhe h1 ist in Höhenrichtung Y zwischen 10 mm und 5 mm, bevorzugt zwischen 8 mm und 6 mm, wie z.B. 7 mm, 7,5 mm und 8 mm.The first height h1 is in the height direction Y between 10 mm and 5 mm, preferably between 8 mm and 6 mm, such. 7 mm, 7.5 mm and 8 mm.
Die zweite Höhe h2 ist in Höhenrichtung Y zwischen 9 mm und 2 mm, bevorzugt zwischen 7 mm und 4 mm, wie z.B. 4,5 mm, 5 mm und 5,5 mmThe second height h2 is in the height direction Y between 9 mm and 2 mm, preferably between 7 mm and 4 mm, such. 4.5 mm, 5 mm and 5.5 mm
Die erste Breite b1 ist in Querrichtung X zwischen 20 mm und 6 mm, bevorzugt zwischen 16 mm und 8 mm, wie z.B. 8 mm, 10 mm und 14 mmThe first width b1 is in the transverse direction X between 20 mm and 6 mm, preferably between 16 mm and 8 mm, such as. 8 mm, 10 mm and 14 mm
Die zweite Breite b2 ist in Querrichtung X zwischen 17 mm und 5 mm und bevorzugt zwischen 15 mm und 7 mm, wie z.B. 7 mm, 9 mm und 12,5 mm.The second width b2 is in the transverse direction X between 17 mm and 5 mm and preferably between 15 mm and 7 mm, such as. 7 mm, 9 mm and 12.5 mm.
Bei einer W-Konfiguration weist die Kammer im Bereich der konkaven Ausschnitte eine Breite in Querrichtung X zwischen 15 mm und 5 mm, wie z.B. 10 mm auf.In a W configuration, the chamber in the region of the concave cut-outs has a transverse width X of between 15 mm and 5 mm, e.g. 10 mm up.
Bei einer W-Konfiguration weist die Kammer im Bereich der konkaven Ausschnitte eine Höhe in Höhenrichtung Y zwischen 6 mm und 2,5 mm, wie z.B. 3,5 mm auf.In a W configuration, the chamber has a height in the height direction Y between 6 mm and 2.5 mm, such as 3.5 mm, in the region of the concave cutouts.
Die dritte Breite b3 ist in Querrichtung X zwischen 20 mm und 4 mm, bevorzugt zwischen 15 mm und 7 mm, wie z.B. 6 mm, 8 mm und 11 mm.The third width b3 is in the transverse direction X between 20 mm and 4 mm, preferably between 15 mm and 7 mm, such as. 6 mm, 8 mm and 11 mm.
Die möglichen Werte für die Dicke d1 entsprechen den möglichen Werten für die Dicken d1a, d1b, d1c und d1e.The possible values for the thickness d1 correspond to the possible values for the thicknesses d1a, d1b, d1c and d1e.
Die möglichen Werte für die Dicke d2 entsprechen den möglichen Werten für die Dicken d2a, d2b, d2c und d2d.The possible values for the thickness d2 correspond to the possible values for the thicknesses d2a, d2b, d2c and d2d.
Es wird explizit betont, dass alle in der Beschreibung und/oder den Ansprüchen offenbarten Merkmale als getrennt und unabhängig voneinander zum Zweck der ursprünglichen Offenbarung ebenso wie zum Zweck des Einschränkens der beanspruchten Erfindung unabhängig von den Merkmalskombinationen in den Ausführungsformen und/oder den Ansprüchen angesehen werden sollen. Es wird explizit festgehalten, dass alle Bereichsangaben oder Angaben von Gruppen von Einheiten jeden möglichen Zwischenwert oder Untergruppe von Einheiten zum Zweck der ursprünglichen Offenbarung ebenso wie zum Zweck des Einschränkens der beanspruchten Erfindung offenbaren, insbesondere auch als Grenze einer Bereichsangabe.It is explicitly pointed out that all features disclosed in the description and / or the claims are considered separate and independent of each other for the purpose of original disclosure as well as for the purpose of limiting the claimed invention independently of the feature combinations in the embodiments and / or the claims should. It is explicitly stated that all range indications or indications of groups of units disclose every possible intermediate value or subgroup of units for the purpose of the original disclosure as well as for the purpose of restricting the claimed invention, in particular also as the limit of a range indication.
Claims (10)
- A spacer profile for use as a spacer frame (50) of an insulating window unit comprising a profile body (10) made of a synthetic material, which extends in a longitudinal direction (Z) and has a first width (b1) in a lateral direction (X), which is perpendicular to the longitudinal direction (Z), and a first height (h1) in a height direction (Y), which is perpendicular to the longitudinal direction (Z) and to the lateral direction (X), and the profile body (10) has an inner wall (13) in the height direction (Y), which is, in the assembled state of the insulating window unit, directed towards an intervening space (53) between the panes (51, 52) of the insulating window unit, and has an outer wall (14) on the opposite side of the inner wall (13), and sidewalls (11, 12) laterally in the lateral direction (X), so that a chamber (20) for accommodating hygroscopic material is defined,
a diffusion barrier layer (30; 30a; 30b; 30c; 30e) made of a first metallic material having a first tensile strength (R1) and a first thickness (d1; d1a; d1b; d1c; d1e), the diffusion barrier layer (30; 30a; 30b; 30c; 30e) being formed at least on or in the outer wall (14) and at least partly on or in the sidewalls (11, 12), and
a reinforcement layer (40; 40a; 40b; 40c; 40d),
characterized in that
the reinforcement layer (40; 40a; 40b; 40c; 40d) made of a second metallic material having a second tensile strength (R2) and a second thickness (d2; d2a; d2b; d2c; d2d) is formed in the inner wall (13) or on the side of the inner wall (13) that is directed towards the chamber (20), and the product of the second thickness (d2; d2a; d2b; d2c; d2d) and the second tensile strength (R2) is greater than the product of the first thickness (d1; d1a; d1b; d1c; d1e) and the first tensile strength (R1). - The spacer profile according to claim 1, wherein
the second thickness (d2c) is less than or equal to the first thickness (d1c). - The spacer profile according to claim 1 or 2, wherein
the first tensile strength (R1) is in the range of 630 N/mm2 to 740 N/mm2 and the second tensile strength (R2) is in the range of 800 N/mm2 to 1500 N/mm2. - The spacer profile for use as a spacer frame (50) of an insulating window unit comprising
a profile body (10) made of a synthetic material having a first elastic modulus (E1), which extends in a longitudinal direction (Z) and has a first width (b1) in a lateral direction (X), which is perpendicular to the longitudinal direction (Z), and a first height (h1) in a height direction (Y), which is perpendicular to the longitudinal direction (Z) and to the lateral direction (X), and the profile body (10) has an inner wall (13) in the height direction (Y), which is, in the assembled state of the insulating window unit, directed towards an intervening space (53) between the panes (51, 52) of the insulating window unit, and has an outer wall on the opposite side of the inner wall (13), and sidewalls (11, 12) laterally in the lateral direction (X), so that a chamber (20) for accommodating hygroscopic material is defined,
a diffusion barrier layer (30; 30a; 30b; 30c; 30e) made of a first metallic material having a second elastic modulus (E2), which is greater than the first elastic modulus (E1), and having a first thickness (d1; d1a; d1b; d1c; d1e), the diffusion barrier layer (30; 30a; 30b; 30c; 30e) being formed at least on or in the outer wall (14) and at least partly on or in the sidewalls (11, 12), and a reinforcement layer (40; 40a; 40b; 40c; 40d),
characterized in that
the reinforcement layer (40; 40a; 40b; 40c; 40d) made of a second metallic material having a third elastic modulus (E3), which is greater than the second elastic modulus (E2), and having a second thickness (d2; d2a; d2b; d2c; d2d), is formed in the inner wall (13) or on the side of the inner wall (13) that is directed towards the chamber (20), and
the product of the second thickness (d2; d2a; d2b; d2c; d2d) and the third elastic modulus (E3) is greater than the product of the first thickness (d1; d1a; d1b; d1c; d1e) and the second elastic modulus (E2). - The spacer profile according to claim 4, wherein
the second thickness (d2c) is less than or equal to the first thickness (d1c). - The spacer profile according to claim 4 or 5, wherein
the second elastic modulus (E2) is in the range of 195 kN/mm2 to 199 kN/mm2 and the third elastic modulus (E3) is in the range of 200 kN/mm2 to 210 kN/mm2. - The spacer profile according to any one of claims 1 to 6, wherein
the diffusion barrier layer (40; 40a; 40b; 40c; 40d) extends in one piece in or on the outer wall (14) and in or on the side walls (11, 12). - The spacer profile according to any one of claims 1 to 7, wherein
the sidewalls (11, 12) each comprise a concave portion with respect to the chamber (20), which forms the transition from the outer wall (14) to the corresponding sidewall (11, 12). - The spacer profile according to any one of claims 1 to 8, wherein
the diffusion barrier layer (30; 30a; 30b; 30c; 30e), as viewed in a cross-section perpendicular to the longitudinal direction (Z), has a profile extension portion (31, 32) on each of its two side edges. - An insulating window unit, comprising
at least two panes (51, 52) that mutually oppose each other with a space therebetween for forming an intervening space (53) between the panes, and
a spacer frame (50) made of a spacer profile according to any one of claims 1 to 9, which is disposed between the panes (51, 52) such that the, in the lateral direction (X), outer sides of sidewalls (11, 12) are adhered by an impermeable adhesive material (61) to the sides of the panes that are directed towards the sidewalls and the spacer frame (50) thus defines the intervening space (53) between the panes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL11701456T PL2408990T3 (en) | 2010-01-29 | 2011-01-25 | Spacer profile having a reinforcing layer |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010006127A DE102010006127A1 (en) | 2010-01-29 | 2010-01-29 | Spacer profile with reinforcement layer |
PCT/EP2011/000312 WO2011091986A2 (en) | 2010-01-29 | 2011-01-25 | Spacer profile having a reinforcing layer |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2408990A2 EP2408990A2 (en) | 2012-01-25 |
EP2408990B1 true EP2408990B1 (en) | 2013-05-08 |
EP2408990B9 EP2408990B9 (en) | 2013-10-09 |
Family
ID=44070673
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11701456.3A Active EP2408990B9 (en) | 2010-01-29 | 2011-01-25 | Spacer profile having a reinforcing layer |
Country Status (7)
Country | Link |
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US (1) | US8640406B2 (en) |
EP (1) | EP2408990B9 (en) |
CN (1) | CN102791950B (en) |
DE (1) | DE102010006127A1 (en) |
PL (1) | PL2408990T3 (en) |
RU (1) | RU2567502C2 (en) |
WO (1) | WO2011091986A2 (en) |
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-
2010
- 2010-01-29 DE DE102010006127A patent/DE102010006127A1/en not_active Withdrawn
-
2011
- 2011-01-25 CN CN201180007292.6A patent/CN102791950B/en active Active
- 2011-01-25 RU RU2012136544/12A patent/RU2567502C2/en active
- 2011-01-25 PL PL11701456T patent/PL2408990T3/en unknown
- 2011-01-25 EP EP11701456.3A patent/EP2408990B9/en active Active
- 2011-01-25 WO PCT/EP2011/000312 patent/WO2011091986A2/en active Application Filing
- 2011-01-25 US US13/575,384 patent/US8640406B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP2408990B9 (en) | 2013-10-09 |
US20120297708A1 (en) | 2012-11-29 |
EP2408990A2 (en) | 2012-01-25 |
WO2011091986A2 (en) | 2011-08-04 |
CN102791950B (en) | 2015-06-10 |
DE102010006127A1 (en) | 2011-08-04 |
RU2567502C2 (en) | 2015-11-10 |
US8640406B2 (en) | 2014-02-04 |
WO2011091986A3 (en) | 2011-10-27 |
CN102791950A (en) | 2012-11-21 |
RU2012136544A (en) | 2014-03-10 |
PL2408990T3 (en) | 2013-09-30 |
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