EP1799948B1 - Sash bar suitable for insulating window units - Google Patents

Sash bar suitable for insulating window units Download PDF

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Publication number
EP1799948B1
EP1799948B1 EP05824433A EP05824433A EP1799948B1 EP 1799948 B1 EP1799948 B1 EP 1799948B1 EP 05824433 A EP05824433 A EP 05824433A EP 05824433 A EP05824433 A EP 05824433A EP 1799948 B1 EP1799948 B1 EP 1799948B1
Authority
EP
European Patent Office
Prior art keywords
sash
sash bar
profile
profiles
bars
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.)
Active
Application number
EP05824433A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1799948A1 (en
Inventor
Thorsten Dr. Siodla
Mark Silverberg
Petra Sommer
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.)
Technoform Caprano and Brunnhofer GmbH and Co KG
Original Assignee
Technoform Caprano and Brunnhofer 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 Technoform Caprano and Brunnhofer GmbH and Co KG filed Critical Technoform Caprano and Brunnhofer GmbH and Co KG
Priority to PL05824433T priority Critical patent/PL1799948T3/pl
Publication of EP1799948A1 publication Critical patent/EP1799948A1/en
Application granted granted Critical
Publication of EP1799948B1 publication Critical patent/EP1799948B1/en
Active 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
    • E06B3/6604—Units comprising two or more parallel glass or like panes permanently secured together comprising false glazing bars or similar decorations between the panes
    • 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
    • E06B3/04—Wing frames not characterised by the manner of movement
    • E06B3/06—Single frames
    • E06B3/08—Constructions depending on the use of specified materials
    • E06B3/12—Constructions depending on the use of specified materials of metal
    • 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
    • E06B3/67—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light

Definitions

  • the present invention relates to sash bars, and more particularly to sash bars that are disposed in the interspace between window panes of insulating glass units, e.g., double glazings.
  • sash bars are used. If the insulating glass unit is manufactured by assembling a plurality of smaller insulating glass units, the resulting insulating glass unit is very expensive.
  • Another approach is the use of one full size insulating glass unit with adhered sash bars, which are glued onto the outer surfaces of the window panes.
  • adhered sash bars which are glued onto the outer surfaces of the window panes.
  • the optical appearance is not appealing.
  • window units with sash bars adhered to the outside of the windows in which additional sash bars are inserted into the interspace between the window panes.
  • insulating glass units are known as insulating glass units with "Vienna sash bars" (Wiener Sprosse).
  • a further approach is to provide the sash bars only in the interspace between the window panes without providing the sash bars adhered to the outside of window panes.
  • Such insulating window units are called insulating window units with "Swiss sash bars” (Schweizer Sprosse or Kreuz) or with “window interspace sash bars” (SZR-Sprosse).
  • a hollow profile for a Swiss sash bar is known, for example, from EP 1 119 681 B1 .
  • Other approaches for Swiss sash bars are known from DE 196 44 544 C1 and DE 201 11 221 U1 .
  • Fig 1 shows an insulating glass unit with a "Vienna sash bar".
  • An insulating glass unit formed as a double glazing comprises a first window pane 1 and a second window pane 2 enclosing an interspace 3 formed therebetween.
  • the interspace 3 may be sealed, for example, by spacer profiles, sealing material, window frame, etc., none of which are shown.
  • the interspace 3 is usually filled with an inert gas, such as argon, before being sealed.
  • the window panes 1, 2 extend in the x-z plane shown in Fig. 1 .
  • a first sash bar 11 is adhered to the outside surface of the first window pane 1.
  • a second sash bar 12 is adhered to the outer surface of the second window pane 2.
  • the first and second sash bars 11,12 can be made of wood or any other suitable material such as metal, plastic, composite materials, etc.
  • the first and second sash bars 11, 12 extend in the z-direction (longitudinal direction).
  • the sash bars 11, 12 can also extend in other directions. However, for purpose of explaining the present teaching, it is only necessary to consider sash bars that extend in the longitudinal direction.
  • a third sash bar 10 is provided in the interspace 3 between the window panes 1, 2 and in the interspace between the first and second sash bars 11, 12.
  • This third sash bar 10 extends between and in parallel to the first and second sash bars 11, 12.
  • the width (in the x-direction) of the third sash bar 10 is preferably selected so as to be equal to or less than the corresponding width of the first and second sash bars 11, 12.
  • the third sash bar 10 of the "Vienna sash bar" system is one subject of the present teachings.
  • a "Swiss sash bar” is shown.
  • Swiss sash bars are sash bars that are provided only in the interspace between the window panes 1, 2.
  • the sash bar 10 of Fig. 2 is also one subject of the present teachings.
  • the sash bar 10 according to one embodiment of the present teachings is shown in Fig. 3 in a cross sectional view, which is an assembled sash bar comprising two profiles 20, 30.
  • a first (outer) profile 20 Considering the geometry of the insulating window unit into which the sash bar 10 will be inserted, there is a first (outer) profile 20 and a second (inner) profile 30.
  • the terms “outer” and “inner” are selected corresponding to the arrangement in the Y-direction, wherein the first window pane 1 is the outer window pane and the second window pane 2 is the inner window pane.
  • the cross sectional shapes of the first and second profiles 20, 30 of the representative embodiment shown in Fig. 3 are basically identical, except for details of the connecting portions 22 and 32, respectively, which will be described below.
  • the widths in the x-direction are identical such that the edges 26, 36 of the two profiles 20, 30 can be and are aligned when the two profiles 20, 30 are connected. It is not necessary for the cross-sectional shapes of the two profiles 20, 30 to be identical, but such arrangement is preferred.
  • the first profile 20 comprises two legs (walls) 21 that protrude or project in the y-direction towards the inside of the assembled sash bar 10.
  • Connecting portions 22 are respectively provided at the ends of the legs 21.
  • the second sash bar profile 30 comprises two legs (walls) 31 that protrude or project towards the inside of the assembled sash bar 10 and have matching or corresponding connecting portions 32 at their tip ends.
  • the positions of the legs 21, 31, which are formed as longitudinally extending walls in the profile, are selected in the x-direction such that the legs 21, 31 oppose each other in the assembled state.
  • the corresponding connecting portions 22, 32 can be engaged in the state where the edges 26, 36 are aligned.
  • the profiles 20, 30 are preferably manufactured as intermediate products. Further, the profiles 20, 30 can be made of colored materials or they can be laminated with foils, coatings, etc. -
  • the separation plane of the two profiles 20, 30 extends in the x-z plane, i.e., in the plane of the interspace 3 of the insulating glass unit into which the sash bar will be mounted.
  • sash bars By manufacturing and subsequently attaching two profiles (partial profiles) to form the sash bar, sash bars can be advantageously produced that have different colors when viewed from the outside and the inside.
  • laminated profiles can be produced that present a specific structure or appearance, such as a wood structure or appearance, only on one side.
  • the separate partial profiles 20, 30 can be manufactured in advance and then combined according to the customer's desire.
  • Fig. 3 shows an embodiment with a symmetrical separation of the two profiles 20, 30, a non-symmetrical separation and/or the use of connecting segments is possible in order to use the same partial profiles for assembled sash bars of different widths (x-direction) or different heights (y-direction). Consequently, the number of partial profiles or parts forming the assembled sash bar according to the present teachings is not limited to two.
  • the assembled sash bar shown in Fig. 3 is composed of two partial profiles, each made of one material, the present invention is not limited to such partial profiles.
  • the sash bars may be made of composite profiles, such as metal plastic composite profiles, which are manufactured similar to composite profiles known, for example, from US 6,339,909 .
  • the composite profile comprises a profile body made of a first material.
  • the first material is preferably a plastic material, more preferably a polyurethane, and more preferably a polypropylene, polyethylene terephtalate, polyamide or polycarbonate.
  • One representative polypropylene example is Novolen 1040K.
  • the first material preferably has a heat conductivity value of less than 0.3 W/(mK), more preferably equal to or less than 0,2 W/(mK).
  • the composite profile may additionally comprise a reinforcement layer made of a second material, which may be a plastically deformable material, preferably metal, and more preferably steel having a corrosion protection or stainless steel. It is preferred that the second material has a heat conductivity value equal to or less that 50 W/(mK), more preferably less than 15 W/(mK).
  • the thickness of the reinforcement layer is preferably less than 0.5 mm, more preferably less than 0.2 mm, or equal or less than 0.1 mm.
  • the corresponding profile can be manufactured, for example, by coextruding the profile body and the reinforcement layer.
  • a stainless steel foil is a steel foil 1.4301 or 1.4016 according to DIN EN 10 088 12 with a thickness of 0.05 mm. Further teachings concerning the selection of appropriate materials can be obtained from US 6,339,909 or US provisional application No. 60/608,221 .
  • the reinforcement layer may be provided within the profile body, such that the color can be selected by coloring or dying the first material.
  • the reinforcement layer may be provided on the visible surface of the composite profile and can be colored or dyed, for example by coating or varnishing the same.
  • the reinforcement layer also may be laminated with one or more foils, etc. in the same way as was described above.
  • the expansion coefficient of these composite sash bars corresponds to the (low) expansion coefficient of the spacer profiles, such that visible bending of the sash bars can be avoided.
  • the mechanical strength is far superior to the mechanical strength of sash bars produced from plastic materials only.
  • the sash bars could be used to accommodate (contain) hygroscopic material (desiccant) in the same way as spacer profiles.
  • the sash bars as one profile (without the separation in partial profiles) when using the metal plastic composite profiles.
  • the different colors can be provided, for example, by providing the reinforcement layer (metal layer) on one side only, which is coated or laminated with a different color or structure than the profile body.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Wing Frames And Configurations (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Glass Compositions (AREA)
EP05824433A 2005-01-24 2005-12-21 Sash bar suitable for insulating window units Active EP1799948B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05824433T PL1799948T3 (pl) 2005-01-24 2005-12-21 Szczeblina okienna do izolacyjnych zespołów okiennych

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US64637005P 2005-01-24 2005-01-24
PCT/EP2005/013808 WO2006076961A1 (en) 2005-01-24 2005-12-21 Sash bar suitable for insulating window units

Publications (2)

Publication Number Publication Date
EP1799948A1 EP1799948A1 (en) 2007-06-27
EP1799948B1 true EP1799948B1 (en) 2008-06-04

Family

ID=34826303

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05824433A Active EP1799948B1 (en) 2005-01-24 2005-12-21 Sash bar suitable for insulating window units

Country Status (13)

Country Link
EP (1) EP1799948B1 (uk)
JP (1) JP2008528826A (uk)
KR (1) KR100939115B1 (uk)
CN (1) CN101142371A (uk)
AT (1) ATE397709T1 (uk)
CA (1) CA2595775C (uk)
DE (2) DE202005007415U1 (uk)
EA (1) EA012230B1 (uk)
ES (1) ES2306279T3 (uk)
NO (1) NO20074281L (uk)
PL (1) PL1799948T3 (uk)
UA (1) UA85781C2 (uk)
WO (1) WO2006076961A1 (uk)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006002764A1 (de) * 2006-01-20 2007-07-26 Werner Schmitz Verstärktes Sprossenhohlprofil
DE102006010609A1 (de) * 2006-03-06 2007-09-20 R & R Sondermaschinen Gmbh Isolierglaseinheit
DE102006041107B3 (de) * 2006-09-01 2007-12-06 Bahr Modultechnik Gmbh Strangpressprofiliertes Hohlprofil
KR101182594B1 (ko) * 2010-07-29 2012-09-12 금호석유화학 주식회사 블라인드 내장형 복합창호
GB2511165B (en) * 2012-12-06 2017-05-24 Era Home Security Ltd Multi-sash closure system
DE102015114599A1 (de) 2015-09-01 2017-03-02 Werner Schmitz Sprosse zur Anordnung in einem Scheibenzwischenraum zwischen zwei Einzelscheiben eines Isolierglasscheibenverbundes, Verbinder dafür, Verwendung eines solchen Verbinders und Isolierglasscheibenverbund

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5657590A (en) * 1996-01-24 1997-08-19 Quanex Corporation Muntin bar assembly
US6687982B2 (en) * 2001-02-12 2004-02-10 Glass Equipment Development, Inc. Laminated muntin bar apparatus
WO1999015753A1 (de) * 1997-09-25 1999-04-01 Technoform Caprano + Brunnhofer Ohg Abstandhalterprofil für isolierscheibeneinheit
WO2001012940A1 (en) * 1999-08-13 2001-02-22 Edgetech I.G., Inc. Method of fabricating muntin bars for simulated divided lite windows

Also Published As

Publication number Publication date
DE202005007415U1 (de) 2005-07-28
NO20074281L (no) 2007-08-22
PL1799948T3 (pl) 2008-10-31
EP1799948A1 (en) 2007-06-27
CA2595775A1 (en) 2006-07-27
JP2008528826A (ja) 2008-07-31
EA200701447A1 (ru) 2008-06-30
WO2006076961A1 (en) 2006-07-27
CN101142371A (zh) 2008-03-12
KR20070092765A (ko) 2007-09-13
DE602005007367D1 (de) 2008-07-17
KR100939115B1 (ko) 2010-01-28
ATE397709T1 (de) 2008-06-15
UA85781C2 (uk) 2009-02-25
CA2595775C (en) 2009-10-27
ES2306279T3 (es) 2008-11-01
EA012230B1 (ru) 2009-08-28

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