CN102561887A - Multifunctional composite window auxiliary frame - Google Patents
Multifunctional composite window auxiliary frame Download PDFInfo
- Publication number
- CN102561887A CN102561887A CN2011104155351A CN201110415535A CN102561887A CN 102561887 A CN102561887 A CN 102561887A CN 2011104155351 A CN2011104155351 A CN 2011104155351A CN 201110415535 A CN201110415535 A CN 201110415535A CN 102561887 A CN102561887 A CN 102561887A
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- secondary frame
- lined steel
- steel
- window
- composite window
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- 239000002131 composite material Substances 0.000 title claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 63
- 239000010959 steel Substances 0.000 claims abstract description 63
- 239000011152 fibreglass Substances 0.000 claims abstract description 18
- 239000000565 sealant Substances 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 abstract description 14
- 230000008901 benefit Effects 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000032683 aging Effects 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 239000004566 building material Substances 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000004321 preservation Methods 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 15
- 238000000034 method Methods 0.000 description 10
- 238000010276 construction Methods 0.000 description 9
- 229910000838 Al alloy Inorganic materials 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 7
- 238000001125 extrusion Methods 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Images
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- Building Environments (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Securing Of Glass Panes Or The Like (AREA)
Abstract
The invention provides a multifunctional composite window subframe which comprises a glass fiber reinforced plastic section, main lining steel and connecting lining steel, wherein the glass fiber reinforced plastic section is provided with two containing cavities which are separated by a heat-insulation bridge and used for containing the main lining steel and the connecting lining steel, four sections of the section are mutually vertical and are fixed on a wall body of a window opening in a head-to-tail mode to form the window subframe, joints of the four sections of the section are sealed by sealant, and the main lining steel and the connecting lining steel are arranged in the containing cavities of the section. Compared with the steel auxiliary frame, the multifunctional composite window auxiliary frame has superior heat preservation performance and sound insulation performance and good dimensional stability: the coating has good corrosion resistance and ageing resistance, is suitable for rainy, humid and coastal areas and chemical places, and has a service life of 50 years; and accords with the key popularization condition of green environment-friendly building material products, and has remarkable social and environmental benefits.
Description
Technical field
The present invention relates to the secondary frame of a kind of window, the secondary frame of particularly a kind of multi-functional composite window.
Background technology
From the eighties in last century, Chinese important agenda has been listed in building energy conservation reduction of discharging work in.China has formulated a series of policies about building energy conservation, policy and rules, has issued the correlation technique standard criterion.Have statistics to show, when door and window heat-insulating property and airtight poor performance, through the heat transfer loss of building doors and windows and the energy consumption of osmotic heat loss, wherein, aluminum window can reach 28% and 20% of building energy consumption respectively, is about building energy consumption 50%.
In the past; For satisfying the needs of building energy conservation; The capital is according to the different regions weather conditions demand at building place; According to the thermal property index request of the energy Saving Design of Residential Buildings standard code of " public building energy-saving design standard " GB50189-2005 or different climatic provinces, carry out building doors and windows design and processing and fabricating.But the energy consumption of bringing for the secondary frame of the window of installing does not but all add concern.
At present, the installation of exterior window is divided into " wet method " operation and two kinds of job practicess of " dry method " operation in the construction work." wet method " operation is that aluminum window (or PVC plastic window) directly is placed in the window opening mouth of construction work agent structure, adopts brace and body of wall to fix back filling concrete mortar.Such way will cause agent structure and packing material and aluminium alloy extrusions conducting, form heat bridge, even its aluminium alloy extrusions of energy saving window that adopts disconnected hot aluminium alloy extrusions also inevitably with the agent structure conducting, the heat transfer loss is serious." dry method " operation is that the secondary frame of window is fixed on the agent structure, will assemble the aluminum window of accomplishing (or PVC plastic window) again and install with its card knot, and agent structure is connected with secondary frame with packing material, directly is not communicated with the aluminum window section bar.Aluminum window is classified according to the section bar that is adopted, and can be divided into non-disconnected hot aluminum window and two types of disconnected hot aluminum windows.Non-disconnected hot aluminum window is the aluminum window that adopts the common aluminum alloy section bar to form; The aluminium alloy energy-saving window that the blocking-up heat bridge aluminium alloy extrusions that adopts disconnected hot aluminium alloy extrusions and low thermal conductivity resin material to constitute (penetrating bar type and cast-type) is formed is disconnected hot aluminium alloy energy-saving window.
Developed countries such as the U.S. adopt " dry method " operation to carry out the construction and installation of external window of building.But adopt the secondary frame of steel to carry out " dry method " construction and installation of exterior window, still have following problem.
At first, the secondary frame of steel is made by steel, and the steel coefficient of thermal conductivity is big, and (λ=81W/mk), so the thermal transmittance of the secondary frame of steel window is big, winter, the heat transfer loss was serious, increased building energy consumption; Secondly, the window frame profile thickness of aluminum window (or PVC plastic window) generally is not less than 50mm, only is to fix inboard the connection with the secondary frame of steel of window frame profile, and the window frame profile outside does not link to each other with the secondary frame of steel.As, the steel auxiliary frame that disposes 40 * 20mm with 60 series alloys windows is an example, and sheet and steel auxiliary frame are fixed in the aluminum window section bar, and the aluminum window section bar is than the wide 20mm of steel auxiliary frame, and aluminum window section bar outer plate is in cantilever position, and the bottom does not have support force.The window profile outer plate bears cross shear and pulling force in the effect of thermal stress load alternating action and forms own wt on section bar outer plate and the heat insulation strip.In addition; Window profile outer plate and heat insulation strip are two kinds of distinct materials, adopt roll extrusion to link, and under long-term temperature difference load alternation condition, will produce fatigue failure, loosening distortion; Percolating water and gas leakage, heat-insulating property, air-tightness and sound insulation property all can be a greater impact; The 3rd, the secondary frame corrosion-resistant of steel, life of product is short, in use can increase the workload or the frequent change of maintenance.
Summary of the invention
For satisfying the needs of building energy conservation, it is yielding to overcome the secondary frame of present steel window, and heat-insulating property is poor, and air-tightness and sound insulation property are poor, ooze rainwater and gas leakage, influence indoor environmental quality, poor corrosion resistance, shortcomings such as the use that do not suit in the coastal area.The invention provides a kind of secondary frame of multi-functional composite window that adopts glass fiber reinforced plastics and steel liner plate produced with combination, its outstanding advantage is characteristics ageing-resistant, that dimensional stability is good.
The secondary frame of a kind of multi-functional composite window comprises glass fiber reinforced plastics section bar, main lined steel and links lined steel; Said glass fiber reinforced plastics section bar has two cavity volumes that are used to hold main lined steel and binding lined steel that cut off by disconnected heat bridge; Four sections said section bars are vertical each other and be fixed on the body of wall of window opening end to endly and form the secondary frame of window; Said four segment type material junctions seal with fluid sealant, and said main lined steel places in the cavity volume of said section bar with the binding lined steel.
Preferably, said main lined steel is annular steel with linking lined steel.
Preferably, said binding lined steel is a U-shaped opening lined steel, the disconnected heat bridge installed adjacent of a side of opening and said section bar.
Preferably; On the plastic material that said glass fiber strengthens apron flashing is set; Said apron flashing have the fixed part that extends in the horizontal direction that is used for fixing, with the perpendicular and upwardly extending support portion of said fixed part and angled to the water portion of draping over one's shoulders that extends below with said support portion, the fixed part of said apron flashing is fixed on the said glass fiber reinforced plastics section bar.
Preferably, the fixed part soffit of said apron flashing is provided with the card that is used to limit the distance between support portion and the forms.
Preferably, the top of the support portion of said apron flashing is provided for the weather strip draw-in groove of mosaic seal near the one side of forms.
Preferably, the bottom, support portion of said apron flashing is provided for the drain hole of draining.
Preferably, the support portion of said apron flashing and drape over one's shoulders to be provided with between the water portion and be used for fixing the connecting portion that drapes over one's shoulders water portion, the position of the junction of said connecting portion and support portion is higher than said drain hole.
The secondary frame of multi-functional composite window of the present invention adopts glass fiber reinforced plastics and steel lining to be composited, and compares with the secondary frame of steel to have the following advantages:
1, because glass fiber reinforced plastics has the soundness of steel, aluminium, possesses the anticorrosion and the energy-efficient performance of plastics again, thereby the secondary frame of window of the present invention is compared with the secondary frame of steel; Has high-strength light; Disconnected heat, heat-insulating property, sound insulation property superior (air is counted sound insulation factor and can be reached more than 30 decibels), dimensional stability is good, and is corrosion-resistant, ageing resistace is good; Be applicable to rainy, humidity and coastal area and chemical industry place, the life-span can reach 50 years; And meet green structural material product emphasis and promote condition, social benefit and obvious environment benefit.
2, since the secondary frame of multi-functional composite window according to the invention when mounted; Inside and outside of forms all is fixed on the secondary frame of window; The door and window Wind-Pressure Resistance is fixed reliably, has been improved in event; The intensity of the instantaneous blast of temperature difference load alternation reduced the door and window structure distortion, improved the function of rainwater leakage prevention, insulation, sound insulation.
3,, forms have been had prevent that rainwater from passing through the function that seeps water to inside, house in the slit between body of wall and the door and window because the present invention also is provided with apron flashing.In addition, apron flashing also has the function that the damping exterior window comes off.Make the present invention become not only anti-rainwater, but also the product of safety, the favourable people's livelihood.
4, the advantage of the secondary frame construction of multi-functional composite window: the secondary frame of on-the-spot glass fiber reinforced plastics " dry method " construction meets the encapsulation process requirement of " alumium alloy door and window engineering legislation " GB214-2010 regulation.The on-the-spot installation of the secondary frame of multi-functional composite window, diagonal is horizontal vertically flat, and dimensional errors can meet the engineering construction requirement, and installation site and agent structure are harmonious.
Description of drawings
Fig. 1 is tradition " dry method " operation exterior window and wall agent structure stationary nodes sketch map.
Fig. 2 is that the secondary frame of multi-functional composite window according to the invention is installed schematic cross-section.
Fig. 3 is the secondary frame schematic cross-section of multi-functional composite window according to the invention.
Fig. 4 is the secondary frame sketch map of multi-functional composite window according to the invention.
Fig. 5 is the structural representation of apron flashing.
Among the figure: the secondary frame of 1-composite window, 2-forms, 3-packing material, 4-fluid sealant, 5-tapping screw, 6-expansion bolt; 7-fine fitment layer, 8-insulation layer, 9-apron flashing, 10-weather strip, 11-fluid sealant, 12-glass fiber reinforced plastics section bar; 13-links lined steel, 14-master's lined steel, the 15-heat bridge that breaks, 91-fixed part, 92-support portion; 93-drapes over one's shoulders water portion, 94-weather strip draw-in groove, 95-card, 96-drain hole, 97-connecting portion.
The specific embodiment
For the clearer description technical scheme of the present invention and the specific embodiment, the present invention is done further detailed elaboration below in conjunction with accompanying drawing.
Like Fig. 2,3, shown in 4; The secondary frame of multi-functional composite window provided by the invention comprises glass fiber reinforced plastics section bar 12, main lined steel 14 and links lined steel 13; Said glass fiber reinforced plastics section bar 12 has two cavity volumes that are used to hold main lined steel 14 and binding lined steel 13 that cut off by disconnected heat bridge 15; Size according to window opening; It is vertical each other and be fixed on the body of wall of window opening with expansion bolt end to endly and form the secondary frame 1 of window to get four sections said section bars 12, and the end to end junctions of said four segment type materials 12 are with fluid sealant 11 sealings, and said main lined steel 14 places in the cavity volume of said section bar 12 with binding lined steel 13.Inside and outside of forms 2 can be fixed on the secondary frame 1 of said window with tapping screw 5 respectively; Aluminum window section bar outer plate no longer is in cantilever position; Fixing reliable, improved the door and window Wind-Pressure Resistance; The intensity of the instantaneous blast of temperature difference load alternation reduced the door and window structure distortion, improved the function of rainwater leakage prevention, insulation, sound insulation.Simultaneously, the plastic material that the glass fiber of employing strengthens has excellent heat insulation property, has improved the heat-proof quality of forms to a great extent.
Further, in order to reduce the use amount of steel, main lined steel 14 described in the present invention is to adopt annular steel with linking lined steel 13, perhaps further will link lined steel 13 to be set to U-shaped opening lined steel disconnected heat bridge 15 installed adjacent of one side of opening and said section bar 12.According to the size of forms 2 and the stress of the secondary frame 1 of window, reasonably design position and the main lined steel 14 and the size that links lined steel 13 of disconnected heat bridge 15, to satisfy the requirement of fixed window body 2.
Further; In order to prevent that rainwater, seawater from infiltrating the room through the space between forms 2 and the secondary frame 1 of window; The present invention also is provided with on apron flashing 9 is fixed in said glass fiber reinforced plastics section bar and is connected lined steel; Said apron flashing 9 have the fixed part 91 that extends in the horizontal direction that is used for fixing, with said fixed part 91 perpendicular and upwardly extending support portions 92 and angled to the water portion 93 of draping over one's shoulders that extends below with 92 ones of said supports; As shown in Figure 5, the fixed part 91 of said apron flashing 9 is fixed on the said glass fiber reinforced plastics section bar 12.According to construction requirement; The support portion 92 of said apron flashing 9 and the distance between the forms 2 should remain on 5-7mm, for the ease of the constructor apron flashing 9 are installed, and are provided for limiting the card 95 of the distance between support portion 92 and the forms at fixed part 91 soffits of said apron flashing 9; In installation process; Said card 95 receives stopping of said section bar 12, thereby stops apron flashing 9 further near forms 2, has guaranteed the distance between the support portion 92 of forms 2 and apron flashing 9.
According to prior art, generally, between apron flashing 9 and forms 2, seal with fluid sealant 11.But,, cause cracking because fluid sealant 11 is prone to wear out under solar radiation; Cause sealing bad; In order to overcome above defective, further, the present invention is provided for the weather strip draw-in groove 94 of mosaic seal 10 near the one side of forms on the top of the support portion 92 of said apron flashing 9.During construction, at said weather strip draw-in groove 94 place's mosaic seals 10, and with fluid sealant 11 sealings.Thereby make it have the effect of double seal.In order to prevent because of contingency have water to get into the space between apron flashing 9 and the forms 2, be provided for the drain hole 96 of draining in 92 bottoms, apron flashing 9 support portions, to get rid of the water in the slit.
Further; When blowing; Because the water portion 93 of draping over one's shoulders of apron flashing 9 is vibrated under the blowing of wind; Produce ear-piercing sound, in the support portion 92 of said apron flashing 9 and drape over one's shoulders to be provided with between the water portion 93 and be used for fixing the connecting portion 97 that drapes over one's shoulders water portion, said connecting portion 97 is higher than said drain hole 96 with the position of the junction of support portion 92.When drape over one's shoulders water portion 93 by connecting portion 97 fixing after, can be because of blowing of wind do not produce sound, thus reduced noise, improved indoor living environment.
Above embodiment is merely preferably embodiment of the present invention, and any conspicuous improvement and replacement that those skilled in the art make on basis of the present invention all belong to protection scope of the present invention.
Claims (8)
1. secondary frame of multi-functional composite window; It is characterized in that; Comprise: glass fiber reinforced plastics section bar (12), main lined steel (14) and binding lined steel (13); Said glass fiber reinforced plastics section bar (12) has two cavity volumes that are used to hold main lined steel (14) and link lined steel (13) that cut off by disconnected heat bridge (15); Four sections said section bars (12) are each other vertical and be fixed on the body of wall of window opening end to endly and form the secondary frame of window, and the end to end junction of said four segment type materials (12) is with fluid sealant (11) sealing, and said main lined steel (14) and binding lined steel (13) place in the cavity volume of said section bar (12).
2. the secondary frame of multi-functional composite window according to claim 1 is characterized in that said main lined steel (14) and binding lined steel (13) are annular steel.
3. the secondary frame of multi-functional composite window according to claim 1 is characterized in that said binding lined steel (13) is a U-shaped opening lined steel, disconnected heat bridge (15) installed adjacent of a side of opening and said section bar (12).
4. the secondary frame of multi-functional composite window according to claim 1; It is characterized in that; Said glass fiber reinforced plastics section bar is provided with apron flashing (9); Said apron flashing (9) have the fixed part (91) that extends in the horizontal direction that is used for fixing, with the perpendicular and upwardly extending support portion of said fixed part (91) (92) and angled to the water portion of draping over one's shoulders (93) that extends below with said support (92) portion, the fixed part (91) of said apron flashing (9) is fixed on the said glass fiber reinforced plastics section bar (12).
5. the secondary frame of multi-functional composite window according to claim 4 is characterized in that, is provided for limiting the card (95) of the distance between support portion (92) and the forms at fixed part (91) soffit of said apron flashing (9).
6. the secondary frame of multi-functional composite window according to claim 4 is characterized in that the top of the support portion (92) of said apron flashing (9) is provided with the weather strip draw-in groove (94) that is used for mosaic seal (10) near the one side of forms.
7. the secondary frame of multi-functional composite window according to claim 4 is characterized in that the bottom, support portion (92) of said apron flashing (9) is provided with drain hole (96).
8. the secondary frame of multi-functional composite window according to claim 4; It is characterized in that; The support portion (92) of said apron flashing (9) and drape over one's shoulders to be provided with between the water portion (93) and be used for fixing the connecting portion (97) that drapes over one's shoulders water portion, said connecting portion (97) is higher than said drain hole (96) with the position of the junction of support portion (92).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104155351A CN102561887A (en) | 2011-12-13 | 2011-12-13 | Multifunctional composite window auxiliary frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104155351A CN102561887A (en) | 2011-12-13 | 2011-12-13 | Multifunctional composite window auxiliary frame |
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| Publication Number | Publication Date |
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| CN102561887A true CN102561887A (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011104155351A Pending CN102561887A (en) | 2011-12-13 | 2011-12-13 | Multifunctional composite window auxiliary frame |
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| CN (1) | CN102561887A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108716354A (en) * | 2018-05-17 | 2018-10-30 | 苏州金刚防火钢型材系统有限公司 | A kind of fire prevention window construction of the energy saving secondary frame of band |
| CN108756601A (en) * | 2018-04-23 | 2018-11-06 | 广东建科节能环保科技有限公司 | A kind of window pair frame installed for plastics or aluminium plastic co-extruding door and window dry method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0296515A2 (en) * | 1987-06-23 | 1988-12-28 | Helmitin Gmbh | Mounting case for windows or doors in two-shell masonry |
| JPH09303049A (en) * | 1996-05-10 | 1997-11-25 | Sekisui Chem Co Ltd | Waterproof structure of sash mounting part |
| CN201007049Y (en) * | 2007-02-15 | 2008-01-16 | 莫伟明 | Curtain wall composite section bar |
| CN201560670U (en) * | 2009-10-29 | 2010-08-25 | 北京美驰建筑材料有限责任公司 | Auxiliary plastic-steel door window frame |
| CN201593353U (en) * | 2009-08-18 | 2010-09-29 | 北京久好格瑞建筑科技有限责任公司 | Mounting system for peripheral closures of doors and windows |
| CN202401893U (en) * | 2011-12-13 | 2012-08-29 | 中国建筑科学研究院 | Multifunctional composite window assistant frame |
-
2011
- 2011-12-13 CN CN2011104155351A patent/CN102561887A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0296515A2 (en) * | 1987-06-23 | 1988-12-28 | Helmitin Gmbh | Mounting case for windows or doors in two-shell masonry |
| JPH09303049A (en) * | 1996-05-10 | 1997-11-25 | Sekisui Chem Co Ltd | Waterproof structure of sash mounting part |
| CN201007049Y (en) * | 2007-02-15 | 2008-01-16 | 莫伟明 | Curtain wall composite section bar |
| CN201593353U (en) * | 2009-08-18 | 2010-09-29 | 北京久好格瑞建筑科技有限责任公司 | Mounting system for peripheral closures of doors and windows |
| CN201560670U (en) * | 2009-10-29 | 2010-08-25 | 北京美驰建筑材料有限责任公司 | Auxiliary plastic-steel door window frame |
| CN202401893U (en) * | 2011-12-13 | 2012-08-29 | 中国建筑科学研究院 | Multifunctional composite window assistant frame |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756601A (en) * | 2018-04-23 | 2018-11-06 | 广东建科节能环保科技有限公司 | A kind of window pair frame installed for plastics or aluminium plastic co-extruding door and window dry method |
| CN108716354A (en) * | 2018-05-17 | 2018-10-30 | 苏州金刚防火钢型材系统有限公司 | A kind of fire prevention window construction of the energy saving secondary frame of band |
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Application publication date: 20120711 |