EP2320020B1 - Abstandhalterrohr für eine Isolierverglasung, sowie Vorrichtung und Verfahren zur Herstellung des Abstandhalterrohrs und Isolierverglasung mit einem aus derartigen Abstandhalterrohren zusammengesetzten Abstandhalterrahmen - Google Patents

Abstandhalterrohr für eine Isolierverglasung, sowie Vorrichtung und Verfahren zur Herstellung des Abstandhalterrohrs und Isolierverglasung mit einem aus derartigen Abstandhalterrohren zusammengesetzten Abstandhalterrahmen Download PDF

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Publication number
EP2320020B1
EP2320020B1 EP10173725A EP10173725A EP2320020B1 EP 2320020 B1 EP2320020 B1 EP 2320020B1 EP 10173725 A EP10173725 A EP 10173725A EP 10173725 A EP10173725 A EP 10173725A EP 2320020 B1 EP2320020 B1 EP 2320020B1
Authority
EP
European Patent Office
Prior art keywords
tube
impression
longitudinal
wall
spacer
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.)
Not-in-force
Application number
EP10173725A
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German (de)
English (en)
French (fr)
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EP2320020A1 (de
Inventor
Jörg Engelmeyer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Helmut Lingemann GmbH and Co KG
Original Assignee
Helmut Lingemann GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Helmut Lingemann GmbH and Co KG filed Critical Helmut Lingemann GmbH and Co KG
Priority to SI201030015T priority Critical patent/SI2320020T1/sl
Priority to PL10173725T priority patent/PL2320020T3/pl
Publication of EP2320020A1 publication Critical patent/EP2320020A1/de
Application granted granted Critical
Publication of EP2320020B1 publication Critical patent/EP2320020B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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

Definitions

  • the present invention relates to a spacer tube for the manufacture of spacer frames of insulating glazing, and to a method and an apparatus for the production thereof, and to an insulating glazing with a spacer frame composed of such spacer tubes.
  • a conventional insulating glazing has at least two mutually parallel and spaced-apart glass panes, between which a space between the panes of defined width is provided.
  • a circumferential spacer frame is provided between the two glass panes, which connects the two glass panes in the area of their outer edges of the pane and keeps them at a distance.
  • the spacer frame consists of a thin-walled spacer tube with a substantially rectangular cross-section, which has been bent to form the spacer frame accordingly, or of a plurality of individual spacer tubes, which are set by means of corner joints together.
  • spacer tubes are, for example, hollow profiles of aluminum, which are produced by roll bending or roll forming from an aluminum strip and subsequent welding of the abutting longitudinal edges of the aluminum strip. These spacer tubes have a wall thickness of 0.2-0.6 mm.
  • spacer tubes made of stainless steel are known.
  • the stainless steel spacer tubes are also made by roll bending or roll forming made of a stainless steel strip and then welding the abutting longitudinal edges of the strip and have a wall thickness of 0.15 to 0.2 mm.
  • a disadvantage of the aluminum and stainless steel spacer tubes is, on the one hand, that the material costs of aluminum and stainless steel, especially in recent years, have increased enormously.
  • the handling and further processing of the spacer tubes to spacer frames is often difficult.
  • the spacer tubes have before bending to the spacer frame usually a length of 5000 mm to 7000 mm.
  • spacer tubes due to their length, tend to deflect along the entire length of the tube so as to deflect bending axes parallel to the tube width direction and / or tube height direction.
  • This longitudinal instability and lability is particularly disadvantageous when bending the spacer tubes, usually by 90 °, to the spacer frame, especially for larger frame.
  • a profile rail for the edge-side spacing of two glass panes of a double glazing in the form of an elongated box profile emerges.
  • the profile rail has an outwardly facing rear side, two opposite broad sides as contact surfaces for a respective glass pane and a front side facing into the glass gap.
  • the box section is formed from a rolled in the form and welded together at its edges outside the front sheet metal strip and has embossed in the front side, running in the profile longitudinal stabilizing beads, each spaced from the longitudinal center line and have a depth which corresponds approximately to the material thickness of the strip.
  • the beads are introduced as depressions from the outside of the box profile in the front side. In addition, such beads may also be present on the back.
  • From the US 2005/0227025 A1 shows a spacer and seal assembly, which has a stretchable sealant support member having a planar Surface which is bounded by first and second edges, wherein the first and the second edge of the sealant support member are folded.
  • the arrangement according to the US 2005/0227025 A1 a corrugated extending pad in contact with the first and second edges of the stretchable sealant support member to form a plurality of cells, wherein a fold of the stretchable sealant support member extends into one of the cells.
  • the assembly comprises a sealant which is connected to at least the first and second edges of the stretchable sealant support member.
  • the sealant support member may for example consist of aluminum foil.
  • spacer tubes made of plastic which are produced by extrusion.
  • Spacer tubes made of polymeric materials with low thermal conductivity have a lower heat transfer coefficient compared to spacer tubes made of stainless steel and are cheaper to produce.
  • further processing, especially bending to the spacer frames, is difficult.
  • plastic is not UV-resistant, tends to age and is not completely diffusion-tight. For this reason, it is known to cover the backs of the spacer tubes with a metallic foil. The foil acts as a diffusion barrier.
  • Object of the present invention is thus to provide a spacer tube for the production of spacer frame of a multi-pane double glazing, which is simple and inexpensive to produce, as well as a good processing and good handling realized.
  • Another object of the invention is to provide a device and a manufacturing method for simple and inexpensive production of the spacer tube.
  • the inventive thin-walled, preferably made of metal, spacer tube 1 has a tube wall 2 with a Wandungsau touch Description 3 and a Wandungsinnen Chemistry 4.
  • the spacer tube 1 is made of steel or aluminum.
  • the tube wall 2 surrounds or surrounds a tube interior 5.
  • the spacer tube 1 has a substantially rectangular cross-section, that is, it is box-shaped.
  • the tube wall 2 also has a, preferably flat or plate-shaped, visual or top wall 6, one of these opposite and expediently parallel to this, preferably also flat or plate-shaped, bottom ormajwandung 7 and two, preferably straight or plate-shaped , Side or Scheibenstromwanditch 8 on.
  • the side walls 8 preferably extend perpendicular to the viewing wall 6 and the bottom wall 7.
  • a transition wall 9 is additionally provided between each of a side wall 8 and the bottom wall 7.
  • the side walls 8 and the viewing wall 6 preferably merge directly into one another.
  • the mutually adjoining walls 6, 7, 8, 9 are each arranged at an angle to each other and merge into each other via a bending edge or corner edge or bending edge 10.
  • the two transition walls 9 are preferably formed as a kind chamfer, that is, the corner between each one side wall 8 and the bottom wall 7 is flattened by the transition walls 9.
  • the transition walls 9 are expediently flat or plate-shaped ( Fig. 1 ).
  • the transition walls 9 are rounded ( Fig. 6 . 10 ).
  • the transition walls 9 are formed rounded such that the outer wall surface 3 is concavely curved in the region of the transition walls 9 and the Wandungsinnen
  • the spacer tube 1 has a central longitudinal axis 11 and a longitudinal extension in the direction of a longitudinal direction 11 parallel to the tube longitudinal direction 12.
  • the extension of the spacer tube 1 in a direction perpendicular to the longitudinal axis 11 tube width direction 13 is preferably greater than in a direction perpendicular to the longitudinal axis 11 and tube height direction 14.
  • the spacer tube 1 is thus wider than higher.
  • the viewing wall 6 and the bottom wall 7 extend parallel to the tube longitudinal direction 12 and the tube width direction 13 and the side walls 8 extend parallel to the tube longitudinal direction 12 and the tube height direction 14th
  • the spacer tube 1 is expediently produced by roll deformation from a metal longitudinal strip 15 (FIG. Fig. 7,8 ), which will be discussed in more detail below.
  • the spacer tube 1 has a longitudinal weld seam 16 extending parallel to the tube longitudinal axis 11.
  • the longitudinal weld 16 is also expediently arranged in the region of the bottom wall 7 and preferably arranged centrally in relation to the extent of the bottom wall 7 in the tube width direction 13.
  • the spacer tube 1 is thus preferably formed symmetrically to a tube center plane 18 which contains the longitudinal axis 11 and is parallel to the tube height direction 14.
  • the spacer tube 1 is longitudinally connected in another way instead of by means of the longitudinal weld seam 16.
  • the spacer tube 1 is used in a conventional manner for the production of spacer frame for a multi-pane insulating glazing according to the invention.
  • An insulating glazing according to the invention has at least two mutually parallel and spaced-apart glass panes 19, between which a space between the panes 20 of defined width is present. Between the two glass panes 19, a circumferential spacer frame is provided which holds the two glass panes 19 in the area their peripheral outer edges or disc edges 21 connects together and keeps at a distance.
  • the encircling spacer frame has, for example, a spacer tube 1 according to the invention, which has been correspondingly bent around the bending axes parallel to the tube width direction 13 in order to form the spacer frame.
  • a spacer frame When installed in the multi-pane insulating glazing, a spacer frame is arranged so that the two side walls 8 of the spacer tube 1 and the spacer tubes 1 are arranged adjacent and parallel to the glass sheets 19.
  • the two side walls 8 are connected to the glass sheets 19 moisture and airtight by means of a suitable adhesive.
  • the spacer frame limits the space between the panes 20 formed between two glass panes 19 to the outside.
  • the viewing wall 6 is always arranged facing the space between the panes 20 and the bottom wall 7 points away from the space between the panes 20 to the outside. The viewing wall 6 is therefore visible in the installed state.
  • the longitudinal weld 16 in order not to be visible in the installed state of the spacer tube 1, expediently not arranged in the region of the viewing wall 6.
  • the perforations 22 create a fluidic connection between the pipe interior 5 and the space between disc 20.
  • the preparewandung 6 thus serves as a gas exchange wall.
  • the perforation openings 22 can also be at least partially be designed as slots that extend parallel to the tube width direction 13 (not shown).
  • At least one of the two side walls 8 has an embossment.
  • the embossing may, for example, have a plurality of individual stamping elements 23, 28, 34 which are distributed over the entire side wall 8 in a planar manner, in particular uniformly distributed (FIG. Fig.2-4 ). Or it can be an area-wide, closed embossing pattern ( Fig. 5 ).
  • the embossments are introduced from the inner wall surface 4 into the two side walls 8.
  • the embossings seen from the wall inner surface 4 are formed in the respective side wall 8 as depressions ( Fig. 6 . 10 ).
  • the embossings do not extend through the entire side wall 8, but only by 10% to 50%, preferably 20% to 30%, of the wall thickness, for example, so that the wall outer surface 3 in the area of the side walls 8 is preferably smooth or planar is ( Fig. 1 . 6 . 10 ).
  • first X-shaped embossing element 23 is present, which is preferably arranged centrally in relation to the embedding of the respective side wall 8 in the tube height direction 14.
  • the extent of a first X-shaped embossing element 23 in tube height direction 14 is at least 10%, preferably 20% to 70%, preferably 40% to 60% of the total extension of the respective side wall 8 in tube height direction 14.
  • the extension of the first X-shaped embossing elements 23rd in the tube height direction 14 is preferably from 0.6 mm to 6 mm, preferably 2.5 mm to 5.5 mm.
  • the distance of each first X-shaped Embossing elements 23 from each other in the tube longitudinal direction 12 is preferably 2 mm to 10 mm, preferably 4 mm to 5 mm.
  • the first X-shaped embossing elements 23 each have two legs 24, which intersect centrally with respect to their longitudinal extent. Conveniently, the two legs 24 are also arranged at right angles to each other and preferably the same length. The two legs 24 each have two opposite, preferably rounded, leg ends 25.
  • the first X-shaped embossing elements 23 are expediently formed symmetrically to a plane 26 perpendicular to the tube longitudinal direction 12 and / or to a plane 27 perpendicular to the tube height direction 14.
  • Fig. 3 have the embossments embossing elements in the form of second X-shaped embossing elements 28 which are arranged in at least two in the tube height direction 14 superimposed rows 29, wherein a row 29 a plurality of spaced apart in the tube longitudinal direction 12 and adjacent to each other arranged second X-shaped embossing elements 28 has.
  • the extent of a second X-shaped embossing element 28 in the tube height direction 14 is at least 15%, preferably 30% to 50%, preferably 35% to 45% of the total extension of the respective side wall 8 in the tube height direction 14.
  • the second X-shaped embossing elements 28 are formed apart from their size analogous to the first X-shaped embossing elements 23 and also each have two legs 30, which intersect centrally with respect to their longitudinal extent. Conveniently, the two legs 30 of the second X-shaped embossing elements 28 are also arranged at right angles to each other and preferably the same length. The two legs 30 of the second X-shaped embossing elements 28 each have two opposite, preferably rounded, leg ends 31.
  • the second X-shaped are also Embossing elements 28 expediently symmetrical to a plane perpendicular to the tube longitudinal direction 12 level 32 and / or to a direction perpendicular to the tube height direction 14 level 33 formed.
  • the second X-shaped embossing elements 28 of the one row 29 offset in the tube longitudinal direction 12 to the second X-shaped embossing elements 28 of the other row 29th
  • Fig. 4 has a side wall 8 two different types of X-shaped embossing elements 23, 34, which are seen spaced apart in the tube longitudinal direction 12 and adjacent to each other, wherein the two different X-shaped embossing elements 23; 34 are preferably arranged alternately seen in the tube longitudinal direction 12 ,
  • the two different types of X-shaped embossing elements 23, 34 are first and third X-shaped embossing elements 23, 34.
  • the third X-shaped embossing elements 34 also each have two legs 35, which preferably cross in relation to the tube height at the same height as the legs 24 of the first X-shaped embossing elements 23. Conveniently, the two legs 35 of the third X-shaped embossing elements 34 are also also arranged at right angles to each other and preferably the same length. The two legs 35 of the third X-shaped embossing elements 34 each have two opposite, preferably rounded, leg ends 36.
  • each of the two legs 35 of the third X-shaped embossing elements 34 is formed extended in the direction of the respective transition wall 9 and extends around the bending edge 10 into the transition wall 9.
  • the legs 35 of the third X-shaped Embossing elements 34 are not extended and are thus formed analogously to the legs 24 of the first X-shaped embossing elements 23.
  • the third X-shaped embossing elements 34 are expediently formed only symmetrically to a plane 37 perpendicular to the tube longitudinal direction 12.
  • the first and third X-shaped embossing elements 23, 34 are constructed and arranged identically to the length of their legs 24, 35.
  • the honeycomb pattern 38 is designed to cover the entire surface, ie covers the respective side wall 8, in particular the inner wall surface 4 in the region of the side wall 8, completely or respectively over the entire surface, in particular in the manner of a tiling.
  • the honeycomb pattern 38 is a closed pattern.
  • the honeycomb pattern 38 has in each case a plurality of individual honeycombs 39 with a regular hexagonal plan which adjoin one another and are each surrounded or delimited by six webs 40.
  • the webs 40 delimit the individual honeycombs 39 from each other and are stamped into the respective side wall 8.
  • a web 40 preferably has a length of 0.3 mm to 1 mm, preferably 0.5 mm to 0.7 mm.
  • the production of the spacer tube 1 takes place by means of roll bending or roll forming and longitudinal welding.
  • a relatively wide metal strip in particular a stainless steel strip or an aluminum strip
  • cut in a metal strip cutting device into a plurality of parallel metal longitudinal strips 15, in particular long strips of stainless steel or aluminum longitudinal strips, and these preferably on a reel wound.
  • the metal longitudinal strips 15 are already wound on a reel.
  • the metal longitudinal strip 15 has the two lateral strip longitudinal edges 17 and two opposite, planar strip broad sides 41.
  • the metal longitudinal strip 15 has a strip longitudinal direction 42, which is parallel to a horizontal conveying direction 43, and a strip transverse direction 44, which is horizontal and perpendicular to the strip longitudinal direction 42.
  • the metal longitudinal strip 15 is continuously withdrawn from the reel and supplied in a horizontal conveying direction 43 of an embossing device of the device according to the invention, by means of which the embossments of the two side walls 8 and optionally the two transitional walls 9 are introduced into the metal longitudinal strips 15.
  • the metal longitudinal strip 15 is preferably horizontally aligned with its two broad stripe sides 41, so that one of the two stripe broad sides 41 is arranged above the other stripe broad side 41.
  • one of the two broad stripe sides 41 in the finished spacer tube 1 forms the outer wall surface 3 and the other broad stripe side 41 forms the inner wall surface 4.
  • the embossing device has an embossing roller 45 and a counter-pressure roller 46, which are arranged one above the other in the vertical direction and are spaced apart from each other (FIG. Fig. 9 ).
  • the embossing roller 45 and the counter-pressure roller 46 are each mounted for rotation about a horizontal axis of rotation 47, 48 which is perpendicular to the conveying direction 43, wherein the two axes of rotation 47, 48 are arranged vertically in line with one another.
  • the embossing roller 45 and the counter-pressure roller 46 are drivable in opposite directions of rotation 49, 50. Between the embossing roller 45 and the counter-pressure roller 46, a embossing slot 51 is formed, through which the metal longitudinal strip 15 is carried out for embossing.
  • the embossing roller 45 has an external, circumferential and substantially cylindrical Embossing surface 52, each having positive or convex or protruding embossing dies or stamping elements 53 has.
  • the embossing molds 53 are formed and arranged on the embossing surface 52 such that when the metal longitudinal strip 15 is passed through the embossing slot 51, the desired embossments are introduced into the metal longitudinal strip 15.
  • the embossing surface 52 for example, embossing die rows 54, which are spaced apart in a direction parallel to the axis of rotation 47 and adjacent to each other. Between the two embossing mold rows 54 is a region without any embossing molds 53.
  • the counter-pressure roller 46 preferably has a smooth circumferential surface 55.
  • the metal longitudinal strip 15 is carried out in the conveying direction 43 through the embossing slot 51 and thereby continuously embossed when the embossing roller 45 rolls in the conveying direction 43 on the metal longitudinal strip 15.
  • the metal longitudinal strip 15 faces the stamping surface 52 with the first strip broad side 41 and, with the second strip broad side 41, faces the circumferential surface 55 through the embossing slot 51. Due to the smooth circumferential surface 55, the embossments are thereby impressed by the first strip broad side 41 in the metal longitudinal strip 15, but do not go through to the second broad strip side 41.
  • the second stripe broadside 41 remains smooth or planar and forms the laterally outer tube 3 at the later spacer tube 1.
  • the first stripe broad side 41 thus forms the Wandungsinnenseite. 4
  • the first X-shaped embossing elements 23 are introduced into the metal longitudinal strips 15 in the form of two rows 56 spaced apart in the transverse direction 44 of the strip. Fig. 7 ).
  • the individual first X-shaped embossing elements 23 of a row 56 are spaced apart in strip longitudinal direction 42 and arranged adjacent to each other.
  • the two rows 56 are also arranged so that they after bending the metal longitudinal strip 15 are arranged to the spacer tube 1 in the region of the two side walls 8.
  • two rows 57 spaced apart in the strip transverse direction 44 are inserted into the metal longitudinal strip 15, wherein a row 57 of first and third X-shaped embossing elements 23; Strip longitudinal direction 42 spaced from each other and adjacent to each other and are arranged alternately.
  • the two rows 57 are arranged so that they are arranged after bending of the metal longitudinal strip 15 to the spacer tube 1 in the region of the two side walls 8, and the extended legs 35 of the third X-shaped embossing elements 34 are arranged in the region of the transition walls 9.
  • the perforation openings 22 are expediently introduced into the metal longitudinal strip 15 in a manner known per se in a stamping device.
  • the metal longitudinal strip 15 is carried out in the conveying direction 43 between two punching rollers, which are driven in opposite directions of rotation about one horizontal axis and are arranged vertically spaced from each other.
  • the punching rollers have corresponding punching means for introducing the perforation openings 22.
  • the teeth projecting from a stamping roller projecting from its lateral surface and the other punching roller have recesses corresponding thereto.
  • the perforation openings 22 are introduced in the region which forms the viewing wall 6 in the later spacer tube 1.
  • the embossed and perforated metal longitudinal strip 15 is continuously deformed in a roll bending device of the device according to the invention by means of rolling deformation into a longitudinally slotted endless spacer tube whose cross-sectional shape corresponds substantially already to the cross-sectional shape of the finished spacer tube 1.
  • the metal longitudinal strip 15 is bent so that the two longitudinal edges 17 abut one another.
  • the metal longitudinal strip 15 is bent or bent, so that the bending edges 10 are formed.
  • the metal longitudinal strip 15 is therefore bent around the conveying direction 43 and the strip longitudinal direction 42 and the later longitudinal axis 11 parallel axes.
  • the metal longitudinal strip 15 is deformed in such a way that the embossed first strip broad side 41 is arranged inside and forms the inner wall surface 4.
  • the metal longitudinal strip 15 is deformed such that the two longitudinal edges 17 are arranged centrally in the bottom wall 7.
  • the roll forming takes place in a manner known per se with corresponding roll forming tools, in particular with a plurality of forming roll pairs (not shown), which are arranged one behind the other in the conveying direction 43.
  • the metal longitudinal strip 15 is in each case carried out between the two forming rollers of a Umformrollencrues.
  • the one forming roller has a concave curved peripheral surface and the other forming a convexly curved peripheral surface, wherein the peripheral surfaces are coordinated and the curvature of roller pair to roller pair increases so that gradually the metal longitudinal strip 15 is bent to the longitudinally slotted endless spacer tube.
  • the welding is carried out by heating the tube wall 2 in the region of the two longitudinal edges 17 and pressing together the two longitudinal edges 17, e.g. by means of pressure rollers, e.g. Press on the side walls 8 on the outside.
  • the welding is preferably carried out by means of laser welding or induction welding.
  • the longitudinal edges 17 are welded together in another way, for example by means of a flanged seam.
  • the welding device is followed by a known calibration device of the device according to the invention, in which the welded endless spacer tube is calibrated to its final cross-sectional shape.
  • the calibration device expediently has several calibration rollers in a manner known per se.
  • the device according to the invention also has an adjoining the calibration device means for separating the endless spacer tube in individual spacer tubes 1 of predetermined length.
  • the separating device is, for example, a flying saw, that is to say a saw which moves in the conveying direction 43 during cutting with the endless spacer tube.
  • the spacer tube 1 according to the invention has an excellent longitudinal stability even at low wall thicknesses. Because due to the cold forming by embossing occurs a partial hardening of the two side walls 8, whereby the tendency to sag over the tube length is significantly reduced or the deformation resistance to bending over the tube length is increased compared to an identical spacer tube without the embossing.
  • the spacer tubes 1 according to the invention thus have a higher bending stiffness, that is, the resistance to bending in the tube longitudinal direction 12, ie in particular with respect to a bending around the tube width direction 13 parallel bending axes is increased. In addition, the torsional stiffness is increased.
  • an inventive spacer tube 1 is excellent tradable and further processable.
  • the spacer tube 1 according to the invention preferably has a length of 5000 to 7000 mm, preferably 5000 to 6000 mm.
  • the spacer tube 1 has a wall thickness of 0.2 to 0.4 mm, preferably 0.25 to 0.35 mm. Nevertheless, the spacer tube 1 but due to the at least partially cold-worked side walls 8 even at these low wall thicknesses still excellent longitudinal stability and bending stiffness. By reducing the wall thickness considerable material costs are saved.
  • each side wall 8 only have an embossing element extending in the tube longitudinal direction 12, for example a longitudinal bead 58. In this case, the stamping element extends over the entire tube length of the spacer tube 1.
  • longitudinal corrugations 58 may be present ( Fig. 10 ).
  • the longitudinal beads 58 of a side wall 8 are in this case arranged in particular parallel to one another and adjacent to one another in the tube height direction 14.
  • one or more longitudinal beads 58 can also be present in each of the transitional walls 9 ( Fig. 10 ).
  • the longitudinal corrugations 58 of a transition wall 9 are likewise arranged in particular parallel to one another and adjacent to one another in the circumferential direction.
  • the embossing elements may also be, in particular pattern-like, elements which only cover only a part of the side wall 8 in each case.
  • it can be longitudinal corrugations, which do not extend over the entire tube length of the spacer tube 1 and are preferably arranged one behind the other in the tube longitudinal direction 12 and form a row (not shown).
  • a plurality of such rows per side wall 8 may be present, wherein the rows in the tube height direction 14 adjacent to each other are arranged. Also, one or more such rows may be present in the transition walls 9, respectively.
  • the embossments of the outer wall surface 3 are introduced into the tube wall 2.
  • the outer wall surface 3 is formed smooth, as this ensures accurate contact of the side walls 8 on the glass sheets 19.
  • the invention causes a significant thin embossing of the tube wall 2, that is, the wall thickness in the embossed wall sections is reduced and is thus lower than in the non-embossed wall sections, which causes a particularly good work hardening.
  • both individual embossing elements and embossing patterns in a side wall 8 and a transition wall 9 and a bottom wall 7 may be present at the same time.
  • the manufacturing process as a whole or the individual process steps can take place continuously, ie in a single production line or else not continuously, in individual separate devices.
  • the individual devices are arranged downstream of each other according to the process sequence.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Insulating Bodies (AREA)
  • Laminated Bodies (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
EP10173725A 2009-11-10 2010-08-23 Abstandhalterrohr für eine Isolierverglasung, sowie Vorrichtung und Verfahren zur Herstellung des Abstandhalterrohrs und Isolierverglasung mit einem aus derartigen Abstandhalterrohren zusammengesetzten Abstandhalterrahmen Not-in-force EP2320020B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI201030015T SI2320020T1 (sl) 2009-11-10 2010-08-23 Distančna cev za izolacijo zasteklitve in naprava in postopek za izdelavo distančne cevi in izolacijske zasteklitve z distančnim okvirjem ki vsebuje take distančne cevi
PL10173725T PL2320020T3 (pl) 2009-11-10 2010-08-23 Rurka dystansowa dla oszklenia izolacyjnego, oraz urządzenie i sposób wytwarzania rurki dystansowej i oszklenia izolacyjnego z ramą dystansową złożoną z rurek dystansowych tego rodzaju

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009052572A DE102009052572A1 (de) 2009-11-10 2009-11-10 Abstandhalterrohr für eine Isolierverglasung, sowie Vorrichtung und Verfahren zur Herstellung des Abstandhalterrohrs und Isolierverglasung mit einem aus derartigen Abstandhalterrohren zusammengesetzten Abstandhalterrahmen

Publications (2)

Publication Number Publication Date
EP2320020A1 EP2320020A1 (de) 2011-05-11
EP2320020B1 true EP2320020B1 (de) 2011-12-07

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EP10173725A Not-in-force EP2320020B1 (de) 2009-11-10 2010-08-23 Abstandhalterrohr für eine Isolierverglasung, sowie Vorrichtung und Verfahren zur Herstellung des Abstandhalterrohrs und Isolierverglasung mit einem aus derartigen Abstandhalterrohren zusammengesetzten Abstandhalterrahmen

Country Status (7)

Country Link
US (1) US8407952B2 (sl)
EP (1) EP2320020B1 (sl)
AT (1) ATE536458T1 (sl)
DE (1) DE102009052572A1 (sl)
ES (1) ES2378457T3 (sl)
PL (1) PL2320020T3 (sl)
SI (1) SI2320020T1 (sl)

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US20130319598A1 (en) 2012-05-30 2013-12-05 Cardinal Ig Company Asymmetrical insulating glass unit and spacer system
USD790731S1 (en) * 2014-12-05 2017-06-27 Well Service Group, Inc. Beveled berm
US11584041B2 (en) 2018-04-20 2023-02-21 Pella Corporation Reinforced pultrusion member and method of making
US11371280B2 (en) 2018-04-27 2022-06-28 Pella Corporation Modular frame design
USD1019991S1 (en) 2020-02-06 2024-03-26 Newpark Mats & Integrated Services Llc Berm with smooth transition groove

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EP2320020A1 (de) 2011-05-11
US20110107722A1 (en) 2011-05-12
SI2320020T1 (sl) 2012-05-31
ATE536458T1 (de) 2011-12-15
DE102009052572A1 (de) 2011-05-12
US8407952B2 (en) 2013-04-02
ES2378457T3 (es) 2012-04-12

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