CN106703628A - Corner structure of wood flour and plastic doors and windows - Google Patents
Corner structure of wood flour and plastic doors and windows Download PDFInfo
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- CN106703628A CN106703628A CN201510778592.4A CN201510778592A CN106703628A CN 106703628 A CN106703628 A CN 106703628A CN 201510778592 A CN201510778592 A CN 201510778592A CN 106703628 A CN106703628 A CN 106703628A
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Abstract
The invention discloses a corner structure of wood flour and plastic doors and windows, relating to the field of wood flour and plastic doors and windows. The corner structure of the wood flour and plastic doors and windows is provided with window and door lateral profile and window and door transverse profile which is perpendicular to the window and door lateral profile. The windows and door lateral profile is provided with a first solid wood core and a first wood flour and plastic coating layer. The window and door transverse profile which is perpendicular to the window and door lateral profile is provided with a second solid wood core and a second wood flour and plastic coating layer. At least one end of the window and door lateral profile is provided with a first end assumed an intersection angle with flank of the windows and door lateral profile. The first solid wood core of the first end is provided with tenon shaped lug consistent with the length direction of the window and door lateral profile. At least one end of the window and door transverse profile is provided with a second end face assumed an intersection angle with flank of the windows and door transverse profile. At least one end of the window and door transverse profile is provided with a second end assumed an intersection angle with flank of the windows and door transverse profile. The second solid wood core of the second end face is provided with groove recessed portion which coincides with the tenon shaped lug. The corner structure of wood flour and plastic doors and windows has the advantages of providing bonding strength for the corner structure of doors and windows through utilizing the characteristic of solid wood composite section profile cladded by the wood flour and plastic and utilizing the solid cores cladded by the wood flour and plastic coating layers, and achieving the guarantees of integral structure strength of the doors and windows.
Description
Technical field
The present invention relates to a kind of corner structure of section bar door and window, and in particular to a kind of corner structure of wood moulding door and window.
Background technology
All the time, the quality of door and window corner connection has very important effect to the overall quality of door and window.Especially with
, the corner bond strength of section bar door and window total quality and durability to door and window gradually popular using the technology of section bar manufacture door and window
With prior effect.Current visible aluminum alloy doors and windows, Aluminum plastics door and window, PVC door and windows and wood moulding door and window are tied in corner
Close and all expose certain defect, corner combines the reduction that not result in door and window service life not only closely, also results in door and window
Sealing is not enough and bring unnecessary heat consumption.Especially in the area that weather conditions are severe, because the pyrocondensation of material is swollen, wet
Collapse inevitable with creep, door and window corner connects insecure untight problem and just displays.The angle of solid wood door and window
Typically more firmly, but the wet phenomenon that collapses of timber is more obvious for portion's connection, and timber have in wet condition hygroscopic deformation,
Easy rotten disadvantage.Compound method is carried out with Wood-plastic material and timber and prepares door-window section bar, be expected to be solved from the angle of material
The drawbacks described above of door and window product.But existing wood moulding door and window solder technology is not applied for wood moulding and is combined the door-window section bar for obtaining with solid wood
Connection, and prior art generally can not ensure the bond strength of angle junction.
Moreover, traditional solid wood door and window connection can not meet the sealing of the wood moulding solid wood composite section with hierarchy
Performance requirement, can be rotten because of corner bulking caused by the exposing of solid wood core or corner, and then influences the overall performance of door and window.
The content of the invention
For above mentioned problem present in background technology, it is an object of the invention to provide a kind of corner knot of wood moulding door and window
Structure, to solve easily to occur during door-window section bar is manufactured for door and window because bonding strength is not high and fragile, because sealing property is not good
And energy consumption is big, the defect such as yielding because of the pyrocondensation of the material swollen and wet collective effect for collapsing.
The present invention is that the solve the above problems technical scheme of use is：A kind of corner structure of wood moulding door and window, it is horizontal with door and window
To section bar and door and window longitudinal profile normal thereto, there is the door and window transverse profile the first solid wood core and the first wood moulding to coat
Layer, the door and window longitudinal profile has the second solid wood core and the second wood moulding clad, at least one of the door and window transverse profile
End has the first end face in a certain angle with the side of door and window transverse profile, has on the first solid wood core of the first end face
There is the tenon shape protuberance consistent with door and window transverse profile length direction；At least one end of the door and window longitudinal profile has and door
The side of window longitudinal profile second end face in a certain angle, has and the tenon shape on the second solid wood core of the second end face
The groove depression portion that protuberance matches.
Further, the side of the first solid wood core and the second solid wood core is the rotary cutting surface or quarter sawing of timber
The end face of face, the first solid wood core and the second solid wood core is the cross section of timber；On the first solid wood core
The tenon shape protuberance there is tenon cheek and tenon end, the tenon cheek extends along the length direction of the transverse profile, the tenon end with
The first end face is parallel；The groove depression portion on the second solid wood core has cell wall and bottom land, the cell wall and institute
The shape for stating tenon cheek is coincide, but the shape that is formed of the cell wall is slightly less than the shape of tenon cheek and the two is formed interference fit；It is described
More than the length of the tenon cheek, the tenon end keeps certain gap to the depth of cell wall with the bottom land.
Further, the first end face of the first solid wood core and the tenon shape protuberance and the of the second solid wood core
Glue-line with some strength between biend and groove depression portion；The glue-line is PUR glue-line or water-base cement glue-line.
Further, the first wood moulding clad and the second wood moulding clad carry out melting closing by mode of heating,
The first solid wood core and the tenon shape protuberance, the second solid wood core and groove depression portion are by the first wood moulding clad
With the second wood moulding clad from outside sealed envelope.
Further, the first wood moulding clad and the second wood moulding clad are bonded by adhesive and closed, described
There is water-fast glue-line between first wood moulding clad and the second wood moulding clad.
Further, the channel-shaped on the tenon shape protuberance on the first solid wood core and the second solid wood core
Nail has silica gel sealing screw between depressed part, and the silica gel sealing screw has pin thread and plays the silica gel of water proof sealing function
Ailhead.
Beneficial effect of the present invention：The present invention coats the design feature of solid wood composite section using wood moulding, using through wood moulding clad
The solid wood core of cladding provides bond strength for door and window corner, door and window overall construction intensity is protected；And by wood moulding
The texture of timber is designed in cladding solid wood profile, it is ensured that door-window section bar, using the rift grain of timber, increases during combination
Plus the intensity of tenon structure, and then make door and window structure more firm, not only contributing to meet skyscraper blast occasion higher makes
With, the certain pliability of door and window is also imparted, make this door and window that there is certain shock resistance, be conducive to increasing the service life.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the invention；
Fig. 2 is a kind of specific embodiment of the invention；
Fig. 3 is another specific embodiment of the invention.
The concrete meaning of each several part is in figure：
1 door and window transverse profile；2 first solid wood cores；3 first wood moulding clads；4 door and window longitudinal profiles；5 second solid wood cores；
6 second wood moulding clads；7 first end faces；8 tenon shape protuberances；9 second end faces；10 groove depression portions.
Specific embodiment
Specific embodiment one：With reference to Fig. 1 and Fig. 2 explanation present embodiments, a kind of corner structure of wood moulding door and window, tool
There are door and window transverse profile and door and window longitudinal profile normal thereto, the door and window transverse profile has the first solid wood core and the first wood
Modeling clad, the door and window longitudinal profile has the second solid wood core and the second wood moulding clad, and the door and window transverse profile is extremely
A few end has the side with door and window transverse profile in 25 ° of first end faces of angle, the first solid wood of the first end face
There is the tenon shape protuberance consistent with door and window transverse profile length direction on core；At least one end of the door and window longitudinal profile
With the side with door and window longitudinal profile in 65 ° of second end faces of angle, have on the second solid wood core of the second end face
The groove depression portion matched with the tenon shape protuberance.
The beneficial effect of above-mentioned specific embodiment is：The present invention coats the design feature of solid wood composite section using wood moulding,
Using the solid wood core coated through wood moulding clad for door and window corner provides bond strength, protected door and window overall construction intensity
Barrier, wood moulding layer plays moistureproof water-fast effect to integral section.
Specific embodiment two：With reference to Fig. 1 and Fig. 2 explanation present embodiments, a kind of corner structure of wood moulding door and window, tool
There are door and window transverse profile and door and window longitudinal profile normal thereto, the door and window transverse profile has the first solid wood core and the first wood
Modeling clad, the door and window longitudinal profile has the second solid wood core and the second wood moulding clad, and the door and window transverse profile is extremely
A few end has the side with door and window transverse profile in 45 ° of first end faces of angle, the first solid wood of the first end face
There is the tenon shape protuberance consistent with door and window transverse profile length direction on core；At least one end of the door and window longitudinal profile
With the side with door and window longitudinal profile in 45 ° of second end faces of angle, have on the second solid wood core of the second end face
The groove depression portion matched with the tenon shape protuberance.
The beneficial effect of above-mentioned specific embodiment is：Wood moulding layer of the invention plays moistureproof water-fast work to integral section
With 45 ° of angles make processing technology easier, can be prevented effectively from the error of seam crossing generation, are conducive to improving machining accuracy；
The angle of this angle causes that end face combination is easier, and door-window section bar is had preferably overall appearance.
Specific embodiment three：With reference to Fig. 1 and Fig. 2 explanation present embodiments, a kind of corner structure of wood moulding door and window, tool
There are door and window transverse profile and door and window longitudinal profile normal thereto, the door and window transverse profile has the first solid wood core and the first wood
Modeling clad, the door and window longitudinal profile has the second solid wood core and the second wood moulding clad, and the door and window transverse profile is extremely
A few end has the side with door and window transverse profile in 60 ° of first end faces of angle, the first solid wood of the first end face
There is the tenon shape protuberance consistent with door and window transverse profile length direction on core；At least one end of the door and window longitudinal profile
With the side with door and window longitudinal profile in 30 ° of second end faces of angle, have on the second solid wood core of the second end face
The groove depression portion matched with the tenon shape protuberance.
The beneficial effect of above-mentioned specific embodiment is：The present invention coats the design feature of solid wood composite section using wood moulding,
Using the solid wood core coated through wood moulding clad for door and window corner provides bond strength, protected door and window overall construction intensity
Barrier, wood moulding layer plays moistureproof water-fast effect to integral section.
Specific embodiment four：Present embodiment, present embodiment and specific embodiment party are illustrated with reference to Fig. 1, Fig. 2 and Fig. 3
The difference of formula one is that the side of the first solid wood core and the second solid wood core is the rotary cutting surface or quarter sawing of timber
The end face of face, the first solid wood core and the second solid wood core is the cross section of timber；On the first solid wood core
The tenon shape protuberance there is tenon cheek and tenon end, the tenon cheek extends along the length direction of the transverse profile, the tenon end with
The first end face is parallel；The groove depression portion on the second solid wood core has cell wall and bottom land, the cell wall and institute
The shape for stating tenon cheek is coincide, but the shape that is formed of the cell wall is slightly less than the shape of tenon cheek and the two is formed interference fit；It is described
More than the length of the tenon cheek, the tenon end keeps certain gap to the depth of cell wall with the bottom land.
The beneficial effect of above-mentioned specific embodiment is：Set by the texture that timber in solid wood profile is coated to wood moulding
Meter, it is ensured that door-window section bar, using the rift grain of timber, increases the intensity of tenon structure during combination, and then makes door and window structure
More firmly, not only contribute to meet skyscraper blast occasion higher and use, also impart the certain pliability of door and window, make
This door and window has certain shock resistance, is conducive to extending the service life of door and window.
Specific embodiment five：Present embodiment and specific embodiment one to any one of specific embodiment four difference
It is, the second end face and groove of the first end face of the first solid wood core and the tenon shape protuberance and the second solid wood core
Glue-line with some strength between shape depressed part.
The beneficial effect of above-mentioned specific embodiment is：The combination that traditional solid sawn door and window corner passes through joinery and its construction, its intensity
The stiction produced by interference fit is fully relied on, and coats the glue-line formed after adhesive, substantially adhesive passes through
The enhancing that the mode such as connection, mechanical connection of chemical bond diagonal section is combined, the glue-line is not easy under the cladding of wood moulding clad
Generation ageing failure, service life is longer.
Specific embodiment six：Present embodiment is that the glue-line is PUR glue with the difference of specific embodiment five
Layer.
The beneficial effect of above-mentioned specific embodiment is：PUR glue-line is cooled and solidified by the normal temperature of normal temperature adhesive
Formed, the formation of glue-line need not be heating and curing without hardening time more long, this causes door and window in process is made more
It is fast and simple, it is ensured that operating efficiency；And hot melt adhesive layer has good toughness and bonding property, it is ensured that door-window section bar is in system
Will not cause the breakage of section bar because of process operation during work.
Specific embodiment seven：Present embodiment is that the PUR glue-line is poly- with the difference of specific embodiment six
Urethane PUR glue-line.
The beneficial effect of above-mentioned specific embodiment is：Polyurethane is reactive hot-melt, and it is irreversible that bonding finishes acquisition
Thermosetting glue-line, therefore glue-joint strength very high can be obtained；And polyurethane is moisture curing, is not only had excellent water-resistance, no
Can be because the entrance of moisture causes glue-line to destroy and then simply section bar is destroyed；And because the sandwich layer solid wood of door-window section bar have it is certain
Moisture content, so that being glued more quick firm, can extend the service life of door and window.
Specific embodiment eight：Present embodiment is that the PUR glue-line is poly- with the difference of specific embodiment six
The glue-line that one or more mixture in ester PUR, copolyester hot melt adhesive, polyamide hot is formed.
The beneficial effect of above-mentioned specific embodiment is：Polyester hot-melt adhesive, copolyester hot melt adhesive, polyamide hot, this
Three hot melt adhesives are common also conventional PURs, first with very low price, a kind of next single PUR, polyester heat
Melten gel or copolyester hot melt adhesive or polyamide hot be used to structure of the present invention and connect can guarantee that use intensity, by two kinds of PUR or
It is various to be used in mixed way, can comprehensively different PURs each the characteristics of, polyester, the toughness of copolyester hot melt adhesive, glue-joint strength are very
Good and environmental protection, the heat-resisting quantity of polyamide hot so that door and window is not only durable but also makes it possess more preferable fire protecting performance.
Specific embodiment nine：Present embodiment is that the PUR glue-line is second with the difference of specific embodiment six
The glue-line that alkene-vinyl acetate copolymer resin PUR is formed
The beneficial effect of above-mentioned specific embodiment is：Ethylene-vinyl acetate c resin PUR is used as the most commonly used
PUR, it is not only cheap, and with good glue-joint strength and it is glued toughness, it is ensured that door and window is in handling process is made
Not damaged because of accidental collision, this PUR belongs to Environment-friendlyadhesive adhesive, and insalubrious thing will not be discharged for interior
Matter.
Specific embodiment ten：Present embodiment is that the glue-line is water-base cement glue with the difference of specific embodiment five
Layer.
The beneficial effect of above-mentioned specific embodiment is：Aqueous Adhesives are a class safety and low toxicity or nontoxic adhesive, and
With good water resistance and glue-joint strength, it is ensured that the service life of door and window, and cause that door and window does not receive environment using scope
The restriction of humidity.
Specific embodiment 11：Present embodiment is that the water-base cement glue-line is with the difference of specific embodiment ten
Aqueous solution acrylate resin glue-line.
The beneficial effect of above-mentioned specific embodiment is：Aqueous solution acrylate resin can normal temperature cure, especially
That can be glued under the conditions of low temperature (near 0 DEG C), and glue-joint strength stabilization so that processing use it is more convenient,
Do not restricted by environment temperature, and glue-joint strength higher also ensure that service life；It is different from conventional urethane adhesive, this
It is Aqueous Adhesives to plant adhesive, nuisanceless, in the absence of harmful substances such as formaldehyde, phenol, it is ensured that indoor workability.
Specific embodiment 12：Present embodiment, present embodiment and specific implementation are illustrated with reference to Fig. 1, Fig. 2 and Fig. 3
The difference of mode one to any one of specific embodiment four is, the first wood moulding clad and the second wood moulding clad
Melting closing is carried out by mode of heating, the first solid wood core and the tenon shape protuberance, the second solid wood core and channel-shaped are recessed
Sunken portion is by the first wood moulding clad and the second wood moulding clad from outside sealed envelope.
The beneficial effect of above-mentioned specific embodiment is：Make wood moulding clad adhesion by the way of fusion weld, due to weldering
Connect with sealing effectiveness and intensity so that the water resistance and bulk strength in door and window corner are higher.And this being welded to connect is same
One material by heating adhesion again, homogeneous phase body so that door and window has preferably weatherability, durability so that
Service life is longer.
Specific embodiment 13：Present embodiment, present embodiment and specific implementation are illustrated with reference to Fig. 1, Fig. 2 and Fig. 3
The difference of mode one to any one of specific embodiment four is, the first wood moulding clad and the second wood moulding clad
It is bonded by adhesive and is closed, there is water-fast glue-line between the first wood moulding clad and the second wood moulding clad.
The beneficial effect of above-mentioned specific embodiment is：Between the first wood moulding clad and the second wood moulding clad
Water-fast glue-line is set, glue-joint strength is not only increased, and protect the glue-line and sandwich layer solid wood layer of sandwich layer so that door and window has
There is more preferable waterproof and dampproof performance, so as to increased the service life of door and window.
Specific embodiment 14：Present embodiment is that the water-fast glue-line is with the difference of specific embodiment 13
Polyurethane hot melt glue-line.
The beneficial effect of above-mentioned specific embodiment is：Polyurethane hot melt moisture curing generates the more preferable thermosetting of weatherability
Glue-line, polyurethane also with sandwich layer in moisture and substance reaction with active hydrogen, this causes that clad is closely connected with sandwich layer
Together, the stability of door and window is increased, and the water resistance of polyurethane is very good so that door and window has good waterproof and dampproof property
Energy.
Specific embodiment 15：Present embodiment and specific embodiment one to any one of specific embodiment 14
Difference is, the groove depression portion on the tenon shape protuberance on the first solid wood core and the second solid wood core
Between nail have a silica gel sealing screw, the silica gel sealing screw has pointed thread bar and plays the silica gel of water proof sealing function to be followed closely
Head.
The beneficial effect of above-mentioned specific embodiment is：Common nail combination can not solve the problems, such as waterproof, can be to reality
The performance of reel is produced to be influenceed, and then is possible to influence the stability of whole window, and cementing conjunction is combined with nail and shared, can obtain higher
Bonding strength.And prevent water to cause the destruction of material into sandwich layer along the direction of screw thread, so as to increased the water-fast of door and window
Property and service life.
Claims (10)
1. a kind of corner structure of wood moulding door and window, with door and window transverse profile (1) and door and window longitudinal profile (4) normal thereto, its
It is characterised by：The door and window transverse profile (1) is with the first solid wood core (2) and the first wood moulding clad (3), the door
Window longitudinal profile (4) is with the second solid wood core (5) and the second wood moulding clad (6), the door and window transverse profile (1)
At least one end have the first end face (7) in a certain angle with the side of door and window transverse profile, the first end face
(7) there is tenon shape protuberance (8) consistent with door and window transverse profile (1) length direction on the first solid wood core (2)；
At least one end of the door and window longitudinal profile (4) has in a certain angle with the side of door and window longitudinal profile (4) second
End face (9), has on the second solid wood core (5) of the second end face (9) and is matched with the tenon shape protuberance (8)
Groove depression portion (10).
2. a kind of corner structure of wood moulding door and window as claimed in claim 1, it is characterised in that：The first end face (7) with it is described
The angle of door and window transverse profile (1) side is 45 °；The side of the second end face (9) and the door and window longitudinal profile (4)
The angle in face is 45 °.
3. a kind of corner structure of wood moulding door and window as claimed in claim 1, it is characterised in that：The first solid wood core (2) and
The side of the second solid wood core (5) is the rotary cutting surface or radial longitudinal section of timber, the first solid wood core (2) and described
The end face of the second solid wood core (5) is the cross section of timber；The tenon shape protuberance on the first solid wood core (2)
(8) with tenon cheek and tenon end, the tenon cheek extends along the length direction of the door and window transverse profile (1), the tenon end and institute
State first end face (7) parallel；The groove depression portion (10) on the second solid wood core (5) is with cell wall and groove
Bottom, the shape of the cell wall and the tenon cheek is coincide, but the shape that is formed of the cell wall is slightly less than the shape of tenon cheek and makes the two shape
Into interference fit；More than the length of the tenon cheek, the tenon end keeps certain gap to the depth of the cell wall with the bottom land.
4. the corner structure of a kind of wood moulding door and window as any one of claim 1-3, it is characterised in that：The first solid wood core
The second end face of the first end face (7) in portion (2) and the tenon shape protuberance (8) and the second solid wood core (5)
(9) and between groove depression portion (10) there is the glue-line of some strength.
5. a kind of corner structure of wood moulding door and window as claimed in claim 4, it is characterised in that：The glue-line be PUR glue-line or
Water-base cement glue-line.
6. a kind of corner structure of wood moulding door and window as claimed in claim 5, it is characterised in that：The PUR glue-line is polyester heat
The glue-line that one or more mixture in melten gel, copolyester hot melt adhesive, polyamide hot is formed.
7. the corner structure of a kind of wood moulding door and window as any one of claim 1-3, it is characterised in that：The first wood moulding bag
Coating (3) and the second wood moulding clad (6) carry out melting closing, the first solid wood core by mode of heating
And the tenon shape protuberance (8), the second solid wood core (5) and groove depression portion (10) are by the described first wood (2)
Mould clad (3) and the second wood moulding clad (6) from outside sealed envelope.
8. the corner structure of a kind of wood moulding door and window as any one of claim 1-3, it is characterised in that：The first wood moulding bag
Coating (3) and the second wood moulding clad (6) are bonded by adhesive to be closed, in the first wood moulding clad (3)
There is water-fast glue-line and the second wood moulding clad (6) between.
9. a kind of corner structure of wood moulding door and window as claimed in claim 8, it is characterised in that：The water-fast glue-line is polyurethane heat
Melten gel glue-line.
10. the corner structure of a kind of wood moulding door and window as any one of claim 1-3, it is characterised in that：First solid wood
The groove depression portion (10) on the tenon shape protuberance (8) on core (2) and the second solid wood core (5)
Between nail have silica gel sealing screw, the silica gel sealing screw has pointed thread bar and silica gel ailhead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510778592.4A CN106703628A (en) | 2015-11-13 | 2015-11-13 | Corner structure of wood flour and plastic doors and windows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510778592.4A CN106703628A (en) | 2015-11-13 | 2015-11-13 | Corner structure of wood flour and plastic doors and windows |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106703628A true CN106703628A (en) | 2017-05-24 |
Family
ID=58931269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510778592.4A Pending CN106703628A (en) | 2015-11-13 | 2015-11-13 | Corner structure of wood flour and plastic doors and windows |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106703628A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2055886A2 (en) * | 2007-11-02 | 2009-05-06 | Rehau Ag + Co | Mechanical connector |
| CN103498625A (en) * | 2013-10-21 | 2014-01-08 | 王清文 | Synthetic-wood solid wood composite door and window and manufacturing method thereof |
| CN204311936U (en) * | 2014-11-28 | 2015-05-06 | 浙江研和新材料有限公司 | A kind of solid wood overlay film door and window dowel structure |
| CN104747024A (en) * | 2013-12-30 | 2015-07-01 | 河北奥润顺达窗业有限公司 | Energy conservation solid wood door and window combination |
| CN205117143U (en) * | 2015-11-13 | 2016-03-30 | 东北林业大学 | Door and window's bight structure is moulded to wood |
-
2015
- 2015-11-13 CN CN201510778592.4A patent/CN106703628A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2055886A2 (en) * | 2007-11-02 | 2009-05-06 | Rehau Ag + Co | Mechanical connector |
| CN103498625A (en) * | 2013-10-21 | 2014-01-08 | 王清文 | Synthetic-wood solid wood composite door and window and manufacturing method thereof |
| CN104747024A (en) * | 2013-12-30 | 2015-07-01 | 河北奥润顺达窗业有限公司 | Energy conservation solid wood door and window combination |
| CN204311936U (en) * | 2014-11-28 | 2015-05-06 | 浙江研和新材料有限公司 | A kind of solid wood overlay film door and window dowel structure |
| CN205117143U (en) * | 2015-11-13 | 2016-03-30 | 东北林业大学 | Door and window's bight structure is moulded to wood |
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| RU160211U1 (en) | WOODEN TWO-WAY GLUED BEAM |
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Application publication date: 20170524 |