KR20170049063A - composite materials window - Google Patents

composite materials window Download PDF

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Publication number
KR20170049063A
KR20170049063A KR1020150149958A KR20150149958A KR20170049063A KR 20170049063 A KR20170049063 A KR 20170049063A KR 1020150149958 A KR1020150149958 A KR 1020150149958A KR 20150149958 A KR20150149958 A KR 20150149958A KR 20170049063 A KR20170049063 A KR 20170049063A
Authority
KR
South Korea
Prior art keywords
profile
synthetic resin
window
metal profile
window frame
Prior art date
Application number
KR1020150149958A
Other languages
Korean (ko)
Other versions
KR101947224B1 (en
Inventor
김영삼
Original Assignee
(주)엘지하우시스
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 (주)엘지하우시스 filed Critical (주)엘지하우시스
Priority to KR1020150149958A priority Critical patent/KR101947224B1/en
Priority to CN201680038911.0A priority patent/CN107849894A/en
Priority to PCT/KR2016/011385 priority patent/WO2017073925A1/en
Publication of KR20170049063A publication Critical patent/KR20170049063A/en
Application granted granted Critical
Publication of KR101947224B1 publication Critical patent/KR101947224B1/en

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    • 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
    • E06B3/04—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
    • 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
    • E06B3/26—Compound frames, i.e. one frame within or behind another
    • 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
    • E06B3/964—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces

Abstract

The present invention relates to a composite material window capable of enhancing the productivity of a product, enhancing the beauty of the product appearance, reducing the manufacturing cost of the product, and enhancing the watertightness of the product.

Description

Composite materials window

The present invention relates to a composite material window, and more particularly, to a composite material window which can increase productivity of a product, enhance the appearance of the exterior, reduce manufacturing cost, .

Various windows are provided inside and outside of the building for the purpose of access control and mining.

At this time, the windows can be divided into sliding doors, hinges or fixed doors according to the opening and closing method, and the sliding window doors constitute the middle and large windows installed on the living room and the veranda of the house.

On the other hand, window frame frames and window frames of past window frames are generally made of wood.

However, there is a problem that it is difficult to mass-produce the wood because the work such as molding is troublesome.

In order to solve the problem of such a wooden window, a window is recently made of a synthetic resin such as polyvinyl chloride (PVC) or a metal profile such as aluminum.

A window made of a synthetic resin profile, that is, a window made of a synthetic resin window or a metal profile, that is, a metal window is relatively easily formed by an extrusion method, so that mass production is smooth compared to a wood window.

At this time, the synthetic resin window has advantages of being mass-produced, inexpensive, and excellent in heat insulation, but color and the like are monotonous.

In addition, the metal window has an advantage of being beautiful in appearance due to various colors and unique textures besides being smooth in mass production, but it has a problem that the product price is significant and the heat insulating property is poor.

In order to solve such a problem, a composite material window in which a synthetic resin portion and a metal portion are combined is proposed as disclosed in Korean Patent No. 10-0818913 (published on Apr. 4, 2008).

However, a considerable number of conventional composite material windows require a considerable amount of time in the process of joining the synthetic resin part and the metal part, resulting in a problem of low productivity due to a complicated manufacturing process. In addition, a gap is formed between the synthetic resin part and the metal part, There is a problem that the manufacturing cost is considerable, and the water tightness is poor.

For the reasons mentioned above, it is attempted to develop a composite material window which can not only be made easily in the field but also can enhance the appearance of the appearance, reduce the manufacturing cost, and increase the watertightness. However, So far, no satisfactory results have been obtained.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a composite material window which can solve the problem that the productivity of the composite material window has been reduced.

It is another object of the present invention to provide a composite material window which can solve the problem that the manufacturing cost of the conventional composite material window was considerable.

Further, it is an object of the present invention to provide a composite material window which can solve the problem that the composite material window has a poor watertightness.

It is another object of the present invention to provide a composite material window which can solve the problem that the composite material window has been deteriorated in appearance.

In order to accomplish the above object, a composite material window according to the present invention comprises: a synthetic resin profile which is assembled into a square frame to form a window frame frame and a window frame; And a metal profile which is assembled in a square frame shape and which is joined to the synthetic resin profile to form the window frame and the window frame, wherein the metal profile comprises a protrusion provided on one surface of the synthetic resin profile, Wherein one of the synthetic resin profiles and one of the other quadrangular end portions are coupled to each other at right angles to each other as they are welded to each other and welded to each other after the metal profile and the synthetic profile are combined, One of the profiles and the other of the four linear end portions are coupled to each other at right angles to each other as they are screwed together.

The synthetic resin profile may be formed of polyvinyl chloride (PVC).

The quadrangular end of the synthetic resin profile protrudes 2.0-7.0 mm from the quadrangular end of the metal profile.

The protrusions are integrally formed along the longitudinal direction of the synthetic resin profile.

The protrusions are formed in pairs at intervals.

The metal profile may be formed of aluminum.

The metal profile may be disposed on the interior side of the window frame and the window frame.

The metal profile may be disposed on the interior side and the outdoor side of the window frame and the window frame.

The metal profile has support pieces integrally formed on both sides of the metal profile along the longitudinal direction.

The quadrangular end of the metal profile has a depression at the lower end.

The groove portion is integrally formed along the longitudinal direction of the metal profile.

The grooves are formed in a pair at intervals corresponding to the protrusions.

The groove portion has an upper blade and a lower blade.

The screws are fastened in pairs at intervals.

The screw is threaded on the support pieces on both sides of the metal profile.

The window frame and the window frame form one of a sliding window, a sliding window, a casement window, and a fixed window.

Since the synthetic resin profile and the metal profile are integrally combined as the protrusion of the synthetic resin profile is inserted into the groove of the metal profile, the time required for the connection of the synthetic resin profile and the metal profile is minimized, Productivity can be increased.

In addition, the composite material window according to the present invention has a metal profile applied only to the exposed portion, minimizing the amount of use, so that the manufacturing cost can be reduced while the appearance is good.

Further, in the composite material window according to the present invention, the synthetic resin profile can be welded while the synthetic resin profile and the metal profile are integrally combined, and the water infiltration from the outside can be smoothly blocked.

1 is a sectional view for explaining a structure of a composite material window according to the present invention;
2 is a view showing an example in which a metal profile is disposed on the indoor side and the outdoor side in the composite material window according to the present invention.
3 is a perspective view of a synthetic resin profile in a composite material window according to the present invention.
4 is a perspective view of a metal profile in a composite material window according to the present invention.
5 is an exemplary view for explaining a combination of a synthetic resin profile and a metal profile in a composite material window according to the present invention.
6 is an exemplary view for explaining welding of a synthetic resin profile in a composite material window according to the present invention.
Fig. 7 is another example for explaining welding of a synthetic resin profile in a composite material window according to the present invention; Fig.
8 is an exemplary view for explaining the bonding between metal profiles in a composite material window according to the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIGS. 1 and 2, the composite material window A according to the present invention includes a synthetic resin profile 10 and a metal profile 20.

The synthetic resin profile 10 is assembled in the form of a rectangular frame to form the window frame 100 and the window frame 200.

The synthetic resin profile 10 may be formed of polyvinyl chloride (PVC).

Since the synthetic resin profile 10 is formed of polyvinyl chloride, the durability of the window frame 100 and the window frame 200 is stabilized as well as the heat insulating property.

And the synthetic resin profile 10 is joined at right angles to one another as one of the four linear end portions 12 is welded to one another.

The synthetic resin profile 10 is assembled into a rectangular frame shape by repeating the process of joining one of the synthetic resin profiles 10 and the other of the other four linear end portions 12 by being welded to each other at right angles to each other The inflow of water through the joint portion of the synthetic resin profile 10 is blocked.

At this time, the quadrangular end portion 12 of the synthetic resin profile 10 is formed by cutting the end portion of the synthetic resin profile 10 at an angle of 45 °, and is formed at each of both ends of the synthetic resin profile 10.

On the other hand, the synthetic resin profile 10 has protrusions 11 on one surface thereof.

Since the synthetic resin profile 10 includes the protrusion 11 so that the protrusion 11 is inserted into the groove 21 of the metal profile 20 described below, the synthetic resin profile 10 and the metal profile 20, (20).

At this time, the protrusions 11 are integrally formed along the longitudinal direction of the synthetic resin profile 10.

The protrusion 11 is inserted into the groove 21 integrally formed along the longitudinal direction of the metal profile 20 by integrally forming the protrusion 11 along the longitudinal direction of the synthetic resin profile 10 So that the synthetic resin profile 10 and the metal profile 20 are simply and firmly coupled.

Here, it is preferable that the protrusions 11 are formed as a pair at intervals.

By forming the protrusions 11 in a pair, the coupling force between the synthetic resin profile and the metal profile 20 is doubled as compared with the case where the protrusions 11 are formed as a single body.

And the quadrangular end 12 of the synthetic resin profile 10 protrudes 2.0-7.0 mm from the quadrangular end 24 of the metal profile 20.

Wherein the quadrangular end 12 of the synthetic resin profile 10 protrudes 2.0-7.0 mm from the quadrangular end 24 of the metal profile 20, After melting the quadrangular end 12 of the synthetic resin profile 10 protruding outwardly of the end portion 24 and then removing the heat plate 300 and aligning the quadrangular end portions 12 of the molten synthetic resin profile 10 with each other The synthetic resin profile 10 is welded.

If the degree of protrusion of the quadrangular end portion 12 of the synthetic resin profile 10 projecting outside the quadrangular end portion 24 of the metal profile 20 is less than 2.0 mm, The welding can be unstable because the quadrangular end portion 24 of the synthetic resin profile 10 has to be melted to less than 2 mm at the time of welding so that the synthetic resin profile 10 protruding outside the quadrangular end portion 24 of the metal profile 20 If the protruding degree of the quadrangular end portion 12 of the synthetic resin profile 10 exceeds 7.0 mm, it takes a considerable time to melt the quadrangular end portion 12 of the synthetic resin profile 10, Preferably has a quadrangular end 12 protruding from the quadrangular end 24 of the metal profile 20 by 2.0 to 7.0 mm.

The metal profile 20 is assembled in the form of a rectangular frame and joined to the synthetic resin profile 10 to form the window frame 100 and the window frame 200.

The metal profile 20 may be formed of aluminum.

Since the metal profile 20 is made of aluminum, the appearance of the window frame 100 and the window frame 200 is more stable due to the inherent texture when the window frame 100 and the window frame 200 are exposed to the outside, It is possible to reduce the weight of the window frame 100 and the window frame 200.

And the metal profile 20 is joined at right angles to one another as one of the other four linear end portions 24 is brought into contact with each other and the screws 22 are fastened.

By repeating this by connecting one of the metal profiles 20 and the other of the quadrangular end portions 24 to each other at a right angle with each other as the screws 22 are fastened together, the metal profile 20 is formed into a rectangular frame shape Not only are assembled, but also the bonding state between the metal profiles 20 is firmly maintained.

At this time, the quadrangular end portion 24 of the metal profile 20 is formed by cutting the end portion of the metal profile 20 at an angle of 45, and is formed at each end of the metal profile 20.

The metal profile 20 has a groove 21 on one side.

The metal profile 20 has the groove 21 so that the metal profile 20 and the synthetic resin profile 10 are coupled as the protrusion 11 is inserted into the groove 21.

At this time, it is preferable that the groove 21 is integrally formed along the longitudinal direction of the metal profile 20.

The groove 21 is integrally formed along the longitudinal direction of the metal profile 20 so that the protrusion 11 integrally formed along the longitudinal direction of the synthetic resin profile 10 through the groove 21 This is possible.

Here, it is preferable that the groove portions 21 are formed as a pair with a spacing corresponding to the protruding portions 11.

The grooves 21 are formed in a pair, so that the protrusions 11, which are formed as a pair through the grooves 21, can be accommodated.

Further, the groove 21 preferably has an upper blade 21a and a lower blade 21a.

The groove 21 has the upper blade 21a and the lower blade 21a so that the upper blades 21a or the lower blades 21a are inserted into the grooves 21 in a state where the projections 11 are inserted into the grooves 21. [ The protrusion 11 is firmly fixed in the groove 21 according to the pressing force.

The metal profile 20 may be disposed on an inner side surface of the window frame 100 and the window frame 200.

When the metal profile 20 is disposed on the side surfaces of the window frame 100 and the window frame 200, the metal profile 20 is exposed when viewed from the inside of the window frame 100, The beauty of the appearance is improved.

In addition, the metal profile 20 may be disposed on an inner side surface and an outer side surface of the window frame 100 and the window frame 200.

When the metal profile 20 is disposed on the side and outdoors side surfaces of the window frame 100 and the window frame 200, the metal profile 20 is exposed to both the indoor side and the outdoor side, So that the appearance of the metal profile 20 is improved due to the inherent texture thereof.

The metal profile 20 preferably has support pieces 23 integrally formed on both sides of the metal profile 20 along the longitudinal direction.

Since the metal profile 20 includes the support pieces 23, the screws 22, which are fastened at the time of engagement between the metal profiles 20, The bond is maintained firmly.

At this time, it is preferable that the screws 22 are fastened in pairs as shown in FIG.

As the screws 22 are fastened to each other, the connection between the metal profiles 20 is more firmly maintained as the support pieces 23 on both sides of the metal profile 20 are engaged.

The quadrangular end portion 24 of the metal profile 20 is preferably provided with a depressed portion 25 at the lower end thereof.

Since the metal profile 20 includes the depressed portion 25, a burr generated when the synthetic resin profiles 10 are welded is accommodated in the recessed portion 25, The interference between the metal profiles 20 due to burrs is prevented.

The following will describe in detail the improvement of product productivity, the improvement of water tightness, the reduction of manufacturing cost, and the improvement of the appearance of appearance through the composite material window (A) according to the present invention.

In the present invention, the synthetic resin profile 10 has the protrusion 11 on one surface as shown in FIG.

4, the metal profile 20 includes the groove 21 on one side and the groove 21 includes the upper blade 21a and the lower blade 21a .

The projections 11 are inserted into the grooves 21 by pressing the upper wings 21a or the lower wings 21a of the grooves 21 after the protrusions 11 are inserted into the grooves 21, So that the synthetic resin profile 10 and the metal profile 20 are integrally and firmly coupled as shown in FIG.

As the protrusion 11 is inserted into the groove 21, the synthetic resin profile 10 and the metal profile 20 are integrally joined to each other so that the metal profile 20 and the synthetic resin profile 10 So that it is easy to handle. In particular, it is possible to simultaneously perform the operation of cutting the metal profile 20 and the both ends of the synthetic resin profile 10 at the same time, thereby improving productivity of the product.

In the present invention, the quadrangular end portion 12 of the synthetic resin profile 10 is protruded compared to the quadrangular end portion 24 of the metal profile 20.

6, the heat plate 300 is inserted between any one of the synthetic resin profiles 10 and the other of the quadrangular end portions 12, as shown in FIG. 6, 24 of the synthetic resin profile 10 after melting the quadrangular end 12 of the synthetic resin profile 10 and then removing the heat plate 300 and removing one of the synthetic resin profiles 10 from the other quadrangular end 12, So that any one of the synthetic resin profiles 10 and the other is welded.

As described above, since any one of the synthetic resin profiles 10 and the other of the quadrangular end portions 12 are abutted to each other, water infiltration such as rain or the like through the joint portion of the synthetic resin profile 10 is blocked.

However, since burrs are generated at the welded portion of the synthetic resin profile 10, there is interference between the metal profiles 20 due to burrs.

However, in the present invention, the quadrangular end portion 24 of the metal profile 20 has the depression 25 at the lower end as shown in FIG. 7, and the burr 25 generated when the synthetic resin profile 10 is welded The interference due to burrs at the time of coupling between the metal profiles 20 is prevented.

In the present invention, the metal profile 20 may be disposed on an inner side surface of the window frame 100 and the window frame 200 (the inner side surface of the indoor side window frame in the case of the sliding window) In addition, as shown in FIG. 2, the window frame 100 and the window frame 200 can be disposed on the inner and outer sides of the window frame 200, so that the metal profile 20 can be exposed to the room side, The metal profile 20 can be exposed to the outside, so that the appearance of the metal profile 20 can be improved due to the inherent texture thereof.

In this case, when the metal profile 20 is disposed only on the inner side surfaces of the window frame 100 and the window frame 200, the use amount of the metal profile 20 is minimized, Manufacturing costs can also be reduced.

In addition, the window frame 100 and the window frame 200 are formed by the combination of the synthetic resin profile 10 and the metal profile 20 according to the material properties of the synthetic resin profile 10, It is of course possible to enhance the heat insulating property as compared with the conventional synthetic resin double glazing or conventional double glazing aluminum window.

Although the composite material window (A) according to the present invention can be seen only as being applied to the sliding window double window only through the above description and drawings, the composite window (A) according to the present invention is not limited to the sliding window It is needless to say that the same effects as those described above can be obtained even when applied to a casement window or a fixed window.

As described above, the composite window (A) according to the present invention is characterized in that the protrusion 11 of the synthetic resin profile 10 is inserted into the groove 21 of the metal profile 20, Since the metal profiles 20 are integrally combined with each other, the time required for the connection between the synthetic resin profile 10 and the metal profile 20 is minimized, so that productivity of the product can be improved. The synthetic resin profile 10 and the metal profile 20 are integrally joined to each other while the synthetic resin profile 10 is welded together with the synthetic resin profile 10, As this is possible, the flow of water from the outside is smoothly blocked, so that the watertightness of the product can be increased.

As described above, the present invention is not limited to the above-described embodiments, and can be modified without departing from the gist of the present invention as claimed in the claims. And falls within the scope of protection of the invention.

10: synthetic resin profile 11:
12: quadrangular end 20: metal profile
21: groove 21a: wing
22: screw 23:
24: quadrangular end 25: depression
100: window frame frame 200:
300: Heat plate A: Composite window

Claims (16)

A synthetic resin profile assembled into a square frame to form a window frame frame and a window frame;
A metal profile assembled in a square frame shape and joined to the synthetic resin profile to form the window frame and the window frame,
Wherein the metal profile is a groove formed in one surface of the synthetic resin profile, and the protrusion provided on one surface of the synthetic resin profile is inserted into the synthetic resin profile,
Wherein one of the synthetic profile and the other of the four quadrangular end portions are coupled to each other at right angles as they are welded to each other after the metal profile and the synthetic profile are combined, Are coupled together at right angles to one another as they are screwed together.
The method according to claim 1,
Wherein the synthetic resin profile is formed of polyvinyl chloride (PVC).
The method according to claim 1,
Wherein the quadrangular end of the synthetic resin profile protrudes 2.0-7.0 mm from the quadrangular end of the metal profile.
The method according to claim 1,
Wherein the protrusions are integrally formed along the longitudinal direction of the synthetic resin profile.
5. The method of claim 4,
Wherein the protrusions are formed in a pair at intervals.
The method according to claim 1,
Wherein the metal profile is formed of aluminum.
The method according to claim 1,
Wherein the metal profile is disposed on an interior side of the window frame and the window frame.
The method according to claim 1,
Wherein the metal profile is disposed on the interior side and the outdoor side of the window frame and the window frame.
The method according to claim 1,
Wherein the metal profile has support pieces integrally formed on both sides of the metal profile along the longitudinal direction.
The method according to claim 1,
Wherein the quadrangular end of the metal profile has a depression at the lower end.
The method according to claim 1,
Wherein the groove portion is integrally formed along the longitudinal direction of the metal profile.
12. The method of claim 11,
Wherein the groove portion is formed in a pair with a gap corresponding to a protrusion portion of the synthetic resin profile.
The method according to claim 1,
Wherein the groove portion comprises an upper blade and a lower blade.
The method according to claim 1,
Wherein said screws are fastened in pairs by spacing.
15. The method of claim 14,
Wherein said screw is threaded onto the support pieces on both sides of said metal profile.
The method according to claim 1,
Wherein the window frame and the window frame form one of a sliding window, a sliding window, a hinged window and a fixed window.
KR1020150149958A 2015-10-28 2015-10-28 composite materials window KR101947224B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020150149958A KR101947224B1 (en) 2015-10-28 2015-10-28 composite materials window
CN201680038911.0A CN107849894A (en) 2015-10-28 2016-10-11 Composite window
PCT/KR2016/011385 WO2017073925A1 (en) 2015-10-28 2016-10-11 Window made of composite material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150149958A KR101947224B1 (en) 2015-10-28 2015-10-28 composite materials window

Publications (2)

Publication Number Publication Date
KR20170049063A true KR20170049063A (en) 2017-05-10
KR101947224B1 KR101947224B1 (en) 2019-02-12

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Country Status (3)

Country Link
KR (1) KR101947224B1 (en)
CN (1) CN107849894A (en)
WO (1) WO2017073925A1 (en)

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KR101951889B1 (en) * 2018-05-18 2019-02-28 주식회사 유니크시스템 Door frame strcture of sliding window
KR20190023181A (en) * 2017-08-28 2019-03-08 (주)엘지하우시스 composite materials window frame with easy fixing of glass
KR101959813B1 (en) * 2018-05-18 2019-03-19 주식회사 대호시스템 Composition insulation door frame of sliding window
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KR102383663B1 (en) * 2021-08-25 2022-04-08 주식회사 반석 exterior lower side structure of windows with airtight and watertight functions
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KR100796192B1 (en) * 2007-01-05 2008-01-21 주식회사동양강철 The partially welded window frame, and the manufacturing method of the same
KR101057141B1 (en) * 2007-08-20 2011-08-16 김정렬 The edge reinforcement body able to be fixed closely and The structure and method of reinforcement for welding type window frames using the same
KR101157086B1 (en) * 2011-11-10 2012-06-21 김순석 Windows and doors prefabricated frame structure that have joint of 45 degrees
KR101302093B1 (en) * 2013-02-25 2013-08-30 김순석 Multipurpose windows and doors device that have deformed frame structure

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KR20190023181A (en) * 2017-08-28 2019-03-08 (주)엘지하우시스 composite materials window frame with easy fixing of glass
KR101877471B1 (en) * 2017-09-29 2018-07-13 주식회사 윈로드시스템 Composition sliding window
KR101888076B1 (en) 2017-09-29 2018-08-13 주식회사 윈로드시스템 Composition sliding window comprising windbreak device
KR101951889B1 (en) * 2018-05-18 2019-02-28 주식회사 유니크시스템 Door frame strcture of sliding window
KR101959813B1 (en) * 2018-05-18 2019-03-19 주식회사 대호시스템 Composition insulation door frame of sliding window
KR20210111148A (en) 2020-03-02 2021-09-10 김윤석 Dual composition sliding window
KR102221840B1 (en) 2020-07-29 2021-02-26 남병인 Sliding window
KR20220166446A (en) * 2021-06-10 2022-12-19 주식회사 케이씨씨 Complex window
KR102383663B1 (en) * 2021-08-25 2022-04-08 주식회사 반석 exterior lower side structure of windows with airtight and watertight functions
KR102383664B1 (en) * 2021-08-25 2022-04-08 주식회사 반석 exterior vertical side structure of windows with airtight and watertight functions

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