EP0803633A1 - Cadre de porte ou fenêtre composé de profilés autoportants et son procédé de fabrication - Google Patents
Cadre de porte ou fenêtre composé de profilés autoportants et son procédé de fabrication Download PDFInfo
- Publication number
- EP0803633A1 EP0803633A1 EP97106496A EP97106496A EP0803633A1 EP 0803633 A1 EP0803633 A1 EP 0803633A1 EP 97106496 A EP97106496 A EP 97106496A EP 97106496 A EP97106496 A EP 97106496A EP 0803633 A1 EP0803633 A1 EP 0803633A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- window
- hollow
- door frame
- filled
- heat
- 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.)
- Withdrawn
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 239000000463 material Substances 0.000 claims abstract description 52
- 239000011810 insulating material Substances 0.000 claims abstract description 6
- 229910052751 metal Inorganic materials 0.000 claims description 50
- 239000002184 metal Substances 0.000 claims description 50
- 238000000034 method Methods 0.000 claims description 15
- 238000005187 foaming Methods 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 5
- 239000013590 bulk material Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000004026 adhesive bonding Methods 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 4
- 239000008187 granular material Substances 0.000 claims description 4
- 235000011837 pasties Nutrition 0.000 claims description 4
- 230000000704 physical effect Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 230000001154 acute effect Effects 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 description 19
- 239000011521 glass Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 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
- E06B3/96—Corner joints or edge joints for windows, doors, or the like frames or wings
- E06B3/9612—Corner joints or edge joints for windows, doors, or the like frames or wings by filling in situ the hollow ends of the abutted frame members with a hardenable substance
-
- 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
- E06B3/20—Constructions depending on the use of specified materials of plastics
- E06B3/22—Hollow frames
- E06B3/221—Hollow frames with the frame member having local reinforcements in some parts of its cross-section or with a filled cavity
- E06B3/222—Hollow frames with the frame member having local reinforcements in some parts of its cross-section or with a filled cavity with internal prefabricated reinforcing section members inserted after manufacturing of the hollow frame
-
- 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
- E06B3/20—Constructions depending on the use of specified materials of plastics
- E06B3/22—Hollow frames
- E06B3/221—Hollow frames with the frame member having local reinforcements in some parts of its cross-section or with a filled cavity
- E06B3/222—Hollow frames with the frame member having local reinforcements in some parts of its cross-section or with a filled cavity with internal prefabricated reinforcing section members inserted after manufacturing of the hollow frame
- E06B2003/225—Means for stabilising the insert
- E06B2003/226—Means for stabilising the insert by adhesives or filling up the remainder of the cavity, e.g. together with foam
Definitions
- the invention relates to a window or door frame consisting of a window or door leaf and a window frame, made of self-supporting hollow profiles and a method for producing a window or door frame.
- a window or door frame consisting of a window or door leaf and a window frame, made of self-supporting hollow profiles and a method for producing a window or door frame.
- foamed hollow profiles are used in door and window construction - at least for external doors and windows, whereby cold bridges are to be avoided, particularly with metal profiles.
- Door or window frames made of hollow profiles which have been foamed in advance and which are provided with a metal insert in the form of profiles for stiffening and for better fastening options for fittings are also known per se.
- These prefabricated and already foamed finished parts are e.g. mitred and then connected at their ends to a finished frame.
- the present invention has for its object to provide a window or door frame of the type mentioned, which in the otherwise problematic corner areas or in other sections or all round in the finished window or door frame and optimal heat and sound insulation everything has optimal strength.
- At least one hollow chamber of the hollow profile rotating in the finished window or door frame is filled or foamed with a heat- and / or sound-insulating and / or strength-increasing material, at least in sections, based on the circumference of a finished window or door frame.
- At least one of the hollow chambers be filled with a heat and / or sound insulating and / or strength-increasing material at least in the corner regions of the window or door frame.
- a heat and / or sound insulating and / or strength-increasing material at least in the corner regions of the window or door frame.
- the type and number of hollow chambers to be filled can be varied.
- the corner areas that absorb a major load have become much more stable as a result.
- the statics of the entire window or door frame are significantly improved by the measures according to the invention, even if only the corner areas are filled with the material.
- At least one of the hollow chambers in the continuous hollow profile of the entire window or door frame with the exception of the chambers provided for drainage, to be filled with a heat- and / or sound-insulating and / or strength-increasing material. This brings even better heat and / or sound insulation and / or strength, but is also associated with correspondingly higher costs.
- the simplest and yet very effective design can be seen in that at least one main chamber located inside the hollow profile is filled with a heat and / or sound-insulating material in the corner areas of the window or door frame formed from a continuous hollow profile.
- the measures according to the invention are also to be used if metal inserts are used in sections in the hollow profile.
- metal inserts are used in sections in the hollow profile.
- these metal inserts are of little use, especially in the corner areas of a frame.
- the optimal possibility of subsequent filling or foaming of or with heat- and / or sound-insulating and / or strength-increasing material has a special effect here.
- An embodiment variant provides that the metal insert is smaller in its outer dimensions than the inner dimensions of the hollow chamber in question in the hollow profile, so that space between the inner wall of a hollow chamber and the outer boundary of the metal insert for filling in heat and / or sound-insulating and / or strength-increasing Material remains. This allows optimal thermal insulation to be achieved in the hollow profile despite the arrangement of a metal insert.
- Another embodiment variant provides that the cross-sectional shape of the metal insert formed as a profile is different from the cross-sectional shape of the hollow chambers in question the hollow profile is different. This also ensures that cold bridges are not caused across the entire profile thickness by the metal inserts.
- a design that is easy to implement is that the hollow chamber (s) is or are filled with an insulating foam.
- a foaming process ensures complete filling with the best possible safety, since the foam spreads in all directions and therefore also creates an intimate connection to profiled or roughened surfaces on the hollow chamber (s).
- the hollow chamber (s) is or are filled with a pasty material which can be hardened automatically or by the action of heat.
- a pasty material which can be hardened automatically or by the action of heat.
- Such a material is also easy to insert into the hollow chamber (s) and complete filling is ensured.
- the possible hardening also gives the finished frame the best possible strength, particularly in its corner areas.
- a hollow chamber provided with a metal insert it is advantageous for a hollow chamber provided with a metal insert to be filled or foamed in the corner regions of a finished frame which are designed without metal inserts, over the entire cross section of the hollow chamber (s).
- optimal heat and sound insulation is required and thus given, and in the area of the corners of a door or window frame, where no metal inlays are provided, the best possible strength and torsional rigidity are achieved.
- bores to the hollow chamber (s) to be filled are produced, and by this, at least in the corner regions of a frame or a window or a door already inserted in such a frame Holes heat and / or sound insulating and / or strength-increasing material is filled. So there is a simple, but effective way, the built-in window and door frames, which meet today's requirements Heat and / or sound insulation or to a strength and insulation in the corner areas no longer correspond, retrospectively and without expanding to adapt to the new conditions.
- the features and method steps according to the invention are also of particular importance in the case of new windows and doors, because the glasses to be inserted into the window or door frames are getting better and better and in some cases already have k values of up to 0.4 W / (m 2 K).
- the k-value of the frames must therefore also be optimized accordingly. It is not sufficient to use plastic profiles that are partially and incompletely filled with insulation. Only through the measures according to the invention in the corner areas of the window or door frame is the frame area also optimized to match the glass quality (heat-insulating glass). In the case of two-chamber profiles, only a k value of well over 2.0 W / (m 2 K) has been achieved.
- a window frame 1 which generally consists of a frame 2 for attachment in a wall opening and a casement 3 for receiving the glass pane 4.
- An insulating glass preferably a heat-insulating glass, is used as the glass pane 4.
- the for frame 2 and the sash 3 used hollow profiles 5 and 6 are made of plastic in the example shown and are usually provided with a plurality of hollow chambers 7, 8, 9, 10, 11, 12, etc., the hollow chambers 7 and 8 being main chambers, which also have metal inserts 13 or 14 (shown in broken lines in Fig. 2) can be provided. These metal inserts serve on the one hand for additional stiffening of the self-supporting hollow profiles and on the other hand for the secure fastening of all fittings required in window or door construction.
- At least one hollow chamber 7 or 8 of the circumferential hollow profile 5 or 6 in a finished window frame 1 is closed at least in sections or at least in the corner regions 20 or circumferentially filled or foamed with a heat and / or sound insulating and / or strength increasing material 21 or 22.
- At least the inner main chamber in the hollow profile 5 or 6 is in each case with a in the example shown Heat and / or sound insulating and / or strength-increasing material 21 or 22 filled.
- the measures according to the invention are implemented both in the frame 2 and in the wing 3 to be used. It is also possible to fill heat and / or sound-insulating and / or strength-increasing material into at least one hollow chamber of the peripheral hollow profile in the case of a peripheral frame already fixed in a building opening.
- the hollow chamber (s) 7 or 8 or other hollow chambers or several hollow chambers can e.g. be filled with an insulating foam.
- the heat and / or sound-insulating and / or strength-increasing material additionally contains reinforcing elements, e.g. Glass fibers, carbon fibers, metal chips or the like. is attached.
- the heat and / or sound insulating and / or strength-increasing material can also be of such a consistency or of such a composition that it can be adjusted to the optimal physical properties adapted to the specific application.
- the effects of heat, cold, hydrogen diffusion, etc. can be parameters in order to change the physical properties of the material to be filled or foamed, if necessary.
- the hollow profiles 5 and 6 are formed at their mutually facing ends, forming continuous portions around the corner regions 20 Hollow chambers 7, 8, etc. connected to each other by welding, gluing, punching and / or by fasteners such as screws, pins, etc.
- at least one of the hollow chambers 7 and 8 is at least in the right, acute, obtuse or arcuate corner regions 20 or in special sections or circumferentially closed in the finished frame with a heat - and / or sound-insulating and / or strength-increasing material 21, 22 filled or foamed.
- Bores 23, 24 are made to fill the material into the frame formed from the hollow profiles. These can either be produced in advance in the individual, cut hollow profiles or in the frame already formed from the hollow profiles.
- the hollow chambers 7 and 8 to be filled in the sections provided with the metal insert 13 and 14 inside and / or outside of them Metal insert 13 or 14 are filled and in the corner regions 20 of a finished frame which are made without metal insert 13 or 14, the entire cross section of the hollow chambers 7 and 8 is then filled.
- the method according to the invention makes it possible to produce bores to the hollow chambers to be filled in a blind frame 2 already inserted into a wall opening 2 or into a window or door already inserted into such a blind frame 2 and heat and / or sound-insulating through these bores and / or fill strength-increasing material.
- the cross-sectional shape of the metal insert 13, 14 designed as a profile is different from the cross-sectional shape of the respective hollow chambers 7, 8, etc. in the hollow profile 5, 6.
- the cross-sectional shape of the metal insert essentially trapezoidal. In this way too, cold bridges passing through the entire profile thickness are avoided.
- the term external hollow chamber 9 describes e.g. all partial chambers lying one above the other in the area of a vertical plane through this chamber 9 in FIG. 2 (here five chambers are shown).
- the term external hollow chamber 9 describes e.g. all partial chambers lying one above the other in the area of a vertical plane through this chamber 9 in FIG. 2 (here five chambers are shown).
- three chamber sections lying next to each other in vertical planes, the individual chambers of a chamber section being separated from one another by narrow webs. These webs are used only for reasons of strength and thus to ensure the stability of the outer flat boundary walls of the hollow profiles.
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Securing Of Glass Panes Or The Like (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT478/96 | 1996-03-14 | ||
| AT239/96 | 1996-04-25 | ||
| AT23996U AT1294U1 (de) | 1996-04-25 | 1996-04-25 | Fenster- oder türrahmen aus selbsttragenden kunststoffhohlprofilen |
| AT0047896U AT1733U1 (de) | 1996-08-19 | 1996-08-19 | Fenster- oder türrahmen aus selbsttragenden kunststoffhohlprofilen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP0803633A1 true EP0803633A1 (fr) | 1997-10-29 |
Family
ID=25591986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP97106496A Withdrawn EP0803633A1 (fr) | 1996-04-25 | 1997-04-18 | Cadre de porte ou fenêtre composé de profilés autoportants et son procédé de fabrication |
Country Status (1)
| Country | Link |
|---|---|
| EP (1) | EP0803633A1 (fr) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2334989A (en) * | 1998-03-02 | 1999-09-08 | Ian Douglas Law | A door with a separate gasket holder |
| WO2010130335A1 (fr) * | 2009-05-12 | 2010-11-18 | Aluplast Gmbh | Elément profilé creux pour cadre de porte ou châssis de fenêtre |
| CN103206138A (zh) * | 2013-04-11 | 2013-07-17 | 浙江瑞明节能门窗股份有限公司 | 一种高性能铝塑复合门窗 |
| NL2011890A (nl) * | 2012-12-07 | 2014-06-11 | Porta Bauelemente & Mehr Gmbh & Co Kg | Profielelement uit kunststof alsmede raamvleugel en vleugelframe uit een dergelijk profielelement. |
| CN107512370A (zh) * | 2017-09-04 | 2017-12-26 | 梁宝臣 | 舰船非可用结构空间柱状防沉空心金属泡材填料及其填充方法 |
| CN108193983A (zh) * | 2017-12-29 | 2018-06-22 | 山西永兴盛和防火设备有限公司 | 一种多功能钢铝复合门窗系统 |
| WO2020076170A1 (fr) * | 2018-10-11 | 2020-04-16 | Glogowski Henryk | Cadre de fenêtre et ensemble de profils de châssis |
| CN116065925A (zh) * | 2023-02-22 | 2023-05-05 | 四川金致尚品门窗有限公司 | 一种具有多腔发泡填充结构的门窗及其制备方法 |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1771729U (de) * | 1958-06-14 | 1958-08-07 | Wieland Werke Ag | Verwindungssteife grundkonstruktion fuer metalltueren. |
| FR1267241A (fr) * | 1960-06-08 | 1961-07-21 | éléments composites convenant notamment à la construction de menuiseries métalliques | |
| DE2038073A1 (de) * | 1970-07-31 | 1972-02-03 | Vertrieb Moderner Bauelemente | Verfahren zur Herstellung von Fenster- und Fluegelrahmen aus schaumstoffgefuellten Kunststoffhohlprofilen |
| DE2347824A1 (de) * | 1973-09-22 | 1975-04-17 | Hans Rottner Kg Haro Maschinen | Eckverbindung fuer fenster- und tuerrahmen sowie eckwinkel und verfahren zu ihrer herstellung |
| DE2359972A1 (de) * | 1973-12-01 | 1975-06-12 | Hans Udo Reichstadt | Profilleiste |
| DE2406770A1 (de) * | 1974-02-13 | 1975-08-21 | Kunststoffensterwerk Herms Gmb | Eckverbindung von kunststoff-hohlprofilen, insbesondere bei fluegel- oder blendrahmen fuer fenster und tueren |
| DE2730633A1 (de) * | 1977-07-07 | 1979-01-25 | Schock & Co Gmbh | Rahmen fuer fenster o.dgl. und verfahren zu seiner herstellung |
| GB2091794A (en) * | 1981-01-22 | 1982-08-04 | Rapp Resin Services Ltd | Repairing building portions |
| DE3132938A1 (de) * | 1981-08-20 | 1983-03-03 | Brügmann Frisoplast GmbH, 2990 Papenburg | Verfahren zur herstellung eines geschlossenen rahmens |
| EP0255510A1 (fr) * | 1986-08-01 | 1988-02-03 | INTERPROFIL GFK-Fenster & Bausysteme Gesellschaft m.b.H. | Cadre de dormant ou de battant et son procédé de fabrication |
-
1997
- 1997-04-18 EP EP97106496A patent/EP0803633A1/fr not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1771729U (de) * | 1958-06-14 | 1958-08-07 | Wieland Werke Ag | Verwindungssteife grundkonstruktion fuer metalltueren. |
| FR1267241A (fr) * | 1960-06-08 | 1961-07-21 | éléments composites convenant notamment à la construction de menuiseries métalliques | |
| DE2038073A1 (de) * | 1970-07-31 | 1972-02-03 | Vertrieb Moderner Bauelemente | Verfahren zur Herstellung von Fenster- und Fluegelrahmen aus schaumstoffgefuellten Kunststoffhohlprofilen |
| DE2347824A1 (de) * | 1973-09-22 | 1975-04-17 | Hans Rottner Kg Haro Maschinen | Eckverbindung fuer fenster- und tuerrahmen sowie eckwinkel und verfahren zu ihrer herstellung |
| DE2359972A1 (de) * | 1973-12-01 | 1975-06-12 | Hans Udo Reichstadt | Profilleiste |
| DE2406770A1 (de) * | 1974-02-13 | 1975-08-21 | Kunststoffensterwerk Herms Gmb | Eckverbindung von kunststoff-hohlprofilen, insbesondere bei fluegel- oder blendrahmen fuer fenster und tueren |
| DE2730633A1 (de) * | 1977-07-07 | 1979-01-25 | Schock & Co Gmbh | Rahmen fuer fenster o.dgl. und verfahren zu seiner herstellung |
| GB2091794A (en) * | 1981-01-22 | 1982-08-04 | Rapp Resin Services Ltd | Repairing building portions |
| DE3132938A1 (de) * | 1981-08-20 | 1983-03-03 | Brügmann Frisoplast GmbH, 2990 Papenburg | Verfahren zur herstellung eines geschlossenen rahmens |
| EP0255510A1 (fr) * | 1986-08-01 | 1988-02-03 | INTERPROFIL GFK-Fenster & Bausysteme Gesellschaft m.b.H. | Cadre de dormant ou de battant et son procédé de fabrication |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2334989A (en) * | 1998-03-02 | 1999-09-08 | Ian Douglas Law | A door with a separate gasket holder |
| WO2010130335A1 (fr) * | 2009-05-12 | 2010-11-18 | Aluplast Gmbh | Elément profilé creux pour cadre de porte ou châssis de fenêtre |
| NL2011890A (nl) * | 2012-12-07 | 2014-06-11 | Porta Bauelemente & Mehr Gmbh & Co Kg | Profielelement uit kunststof alsmede raamvleugel en vleugelframe uit een dergelijk profielelement. |
| BE1021849B1 (de) * | 2012-12-07 | 2016-01-22 | Porta Bauelemente & Mehr Gmbh & Co. Kg | Profilelement aus kunstoff sowie fensterflügel und flügelrahmen aus einem solchem profilelement |
| CN103206138A (zh) * | 2013-04-11 | 2013-07-17 | 浙江瑞明节能门窗股份有限公司 | 一种高性能铝塑复合门窗 |
| CN107512370A (zh) * | 2017-09-04 | 2017-12-26 | 梁宝臣 | 舰船非可用结构空间柱状防沉空心金属泡材填料及其填充方法 |
| CN108193983A (zh) * | 2017-12-29 | 2018-06-22 | 山西永兴盛和防火设备有限公司 | 一种多功能钢铝复合门窗系统 |
| WO2020076170A1 (fr) * | 2018-10-11 | 2020-04-16 | Glogowski Henryk | Cadre de fenêtre et ensemble de profils de châssis |
| CN116065925A (zh) * | 2023-02-22 | 2023-05-05 | 四川金致尚品门窗有限公司 | 一种具有多腔发泡填充结构的门窗及其制备方法 |
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