CN107217953B - Casement window - Google Patents
Casement window Download PDFInfo
- Publication number
- CN107217953B CN107217953B CN201710357817.8A CN201710357817A CN107217953B CN 107217953 B CN107217953 B CN 107217953B CN 201710357817 A CN201710357817 A CN 201710357817A CN 107217953 B CN107217953 B CN 107217953B
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- China
- Prior art keywords
- section bar
- heat insulation
- layer
- buckling
- outer layer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
- E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
- E06B3/36—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement with a single vertical axis of rotation at one side of the opening, or swinging through the opening
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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
- E06B3/263—Frames with special provision for insulation
- E06B3/2632—Frames with special provision for insulation with arrangements reducing the heat transmission, other than an interruption in a metal section
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Wing Frames And Configurations (AREA)
Abstract
The invention discloses a casement window, which comprises an inner layer section bar and an outer layer section bar of a window frame, wherein a heat insulation broken bridge is arranged between the inner layer section bar and the outer layer section bar; set up thermal-insulated bridge cut-off on the face of connecting of inlayer section bar and outer section bar respectively, still include the connection structure between the inlayer section bar, connection structure includes the holder that outwards extends as the base with thermal-insulated bridge cut-off, and the locking portion that sets up on the relevant position of inlayer section bar, locking portion and holder are each other locked and are cooperated, realize the fixed connection of inlayer section bar. According to the casement window, the window frame connecting structure processed by injecting glue can also realize different inner and outer colors, the processing operation is convenient, the production efficiency is high, window frame sectional materials with different colors of the inner layer and the outer layer can be matched and assembled according to the requirements of users or building environments, a large amount of storage space is saved for a processing party, and the production cost is reduced.
Description
Technical Field
The invention relates to the field of windowsill processing, in particular to a casement window.
Background
The aluminum alloy casement window commonly used in daily life adopts the design of a high-end bridge cut-off heat insulation section bar, so that the sealing performance of the casement window is better than that of a sliding window, the convection inside and outside air is less, and the energy consumption of an air conditioner (refrigeration and heating) is reduced, thereby being gradually popularized to the living environment of thousands of households for use.
In the casement window in the prior art, the bridge cut-off heat insulation section bar structure mainly comprises an inner layer and an outer layer, wherein the inner layer and the outer layer are connected in a glue injection or nylon strip penetrating mode to form a bridge cut-off heat insulation section bar connecting structure. In order to meet the requirements of users, the colors of the inner layer and the outer layer need to be matched with different colors, for example, the color required by the outer part of a window is matched with the outer wall of a building, and the color required by the inner part of the window is matched with the indoor design style, so that a connecting scheme is required for manufacturing a corresponding structure with color processing for the bridge-cut-off section bar connecting structure of the inner layer window frame and the outer layer window frame of the casement window.
For the mode of penetrating the nylon strip, the inner layer window frame and the outer layer window frame can be respectively produced and formed, and after coloring, the inner layer window frame section bar and the outer layer window frame section bar are connected together by penetrating the nylon strip, so that the splicing scheme of different colors of the inner layer section bar and the outer layer section bar is realized.
For the mode of injecting glue, need the whole production of ectonexine window frame and color the back, cut the connecting portion of injecting glue again, form bridge cut-off connection structure, be difficult to realize the concatenation of the different colours of ectonexine section bar.
In practical application, the two bridge-cut-off connection modes of glue injection and nylon strip penetration have the same heat insulation effect, and in the aspect of processing operation, the connection mode of glue injection has high production efficiency and convenient operation. But in the aspect of color matching, in order to meet the requirements of users and building environments, the colors of the inner layer window frame and the outer layer window frame are different, and the bridge-cut-off casement window adopting the glue injection mode is difficult to meet the requirements of the users.
Disclosure of Invention
The invention aims to provide a novel casement window, the window frame connecting structure processed by injecting glue can also realize different inner and outer colors, the processing operation is convenient, the production efficiency is high, window frame sectional materials with different colors on the inner layer and the outer layer can be matched and assembled according to the requirements of users or building environments, a large amount of storage space is saved for a processing party, and the production cost is reduced.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a casement window comprises an inner layer section bar and an outer layer section bar of a window frame, wherein a heat insulation bridge cut-off is arranged between the inner layer section bar and the outer layer section bar; set up thermal-insulated bridge cut-off on the face of connecting of inlayer section bar and outer section bar respectively, still include the connection structure between the inlayer section bar, connection structure includes the holder that outwards extends as the base with thermal-insulated bridge cut-off, and the locking portion that sets up on the relevant position of inlayer section bar, locking portion and holder are each other locked and are cooperated, realize the fixed connection of inlayer section bar.
Compared with the prior art, the casement window is improved aiming at the glue injection type heat insulation broken bridge casement window, and the traditional heat insulation broken bridge is used for heat insulation between inner and outer layer profiles of a window frame; on the other hand, for the connection between the inner and outer profiles of the window frame. The invention aims at the technical problem of the prior art to improve the technical problem that the glue injection type heat insulation broken bridge cannot meet the requirement of different colors of inner and outer layer profiles. Let inside and outside layer section bar can carry out the colour processing back respectively, cut the connecting portion of injecting glue again, then pass through mutually supporting of holder and locking portion, be in the same place inside and outside layer section bar is connected, realizes the combination of the different colours of inside and outside layer section bar effectively to according to the demand of user or building environment, the window frame section bar of the different colours of collocation inside and outside layer, processing convenient operation, production efficiency is high.
Specifically, the first scheme of the connection structure between the inner layer profile and the outer layer profile is as follows:
the clamping piece is an L-shaped profile extending outwards from the end part of the heat insulation broken bridge and comprises an extending part, a fastening end and a fixed end, wherein the fixed end extends towards one side from the end part of the heat insulation broken bridge and is balanced with the fastening end to form a locking part embedded into the extending part; the shapes of the inner layer section and the outer layer section are the same, the L-shaped section is arranged on each heat insulation broken bridge, and the inner layer section and the outer layer section are spliced into a whole through the mutual buckling of the buckling end and the locking part of the L-shaped section.
On one hand, in practical application, because the shapes of the inner and outer layer sectional materials are the same, the inner and outer layer sectional materials can be mutually used after the inner and outer layer sectional materials are processed by color processing, the inventory of the sectional materials is effectively reduced, and a large amount of inventory cost is saved for manufacturers.
On the other hand, after the inner layer section bar and the outer layer section bar are respectively provided with the heat insulation broken bridges, the buckling end of the L-shaped section bar is mutually buckled with the locking part to realize that the inner layer section bar and the outer layer section bar are spliced into a whole, so that two sections of heat insulation broken bridges are formed between the inner layer section bar and the outer layer section bar. In practical application, heat received by the outer-layer sectional material outdoors passes through the heat insulation broken bridge of the outer-layer sectional material, passes through the L-shaped sectional material section connected between the inner-layer sectional material and the outer-layer sectional material, passes through the heat insulation broken bridge of the inner-layer sectional material, and finally enters the inner-layer sectional material. In the process, the heat is subjected to heat insulation treatment of the secondary heat insulation broken bridge, so that double heat insulation is realized between the inner-layer section and the outer-layer section, the influence of external temperature on the inside is further reduced, and the heat insulation effect is effectively improved.
Furthermore, a positioning part matched with the fixed end in shape is arranged on the outer side of the fastening end, and the positioning part is an embedded unfilled corner; the extended length of the fixed end is the same as that of the buckling end, and when the buckling end is buckled with the locking part, the fixed end is embedded in the positioning part of the opposite L-shaped section. In practical application, because the extended length of the fixed end is the same as that of the buckling end, when the inner and outer layer sectional materials are buckled through the L-shaped sectional materials, the buckling end and the locking part are embedded with each other, and the fixed end is embedded on the positioning part to form a balanced contact structure, so that the supporting effect of the connection of the two parts is effectively enhanced, and the sectional materials are prevented from being easily deformed under the action of external force after being used for a long time.
On the basis, the end part of the buckling end is also provided with an inclined surface used for avoiding the fixed end when the buckling end is buckled into the locking part, and the inclined surface extends from the positioning part to the end part of the buckling end. In the process of mutually fastening two L-shaped profiles, the locking part is inserted into the end part of the fastening end from the fastening end and the fixed end on the opposite side, in order to facilitate entering, the avoiding inclined plane is additionally arranged at the end part of the fastening end, when the fastening end enters the locking part, the fixed end can be avoided through the inclined plane, and then the inclined plane stretches into the locking part, so that the installation operation is more convenient and faster, and the processing efficiency is improved.
The structure of the L-shaped section is further improved, the inner side surfaces of the buckling ends are convex tooth surfaces, and when the inner section and the outer section are buckled through the respective buckling ends, the convex tooth surfaces of the buckling ends are meshed with each other, so that the friction force of the two L-shaped sections after being connected is increased, and the fixing effect is enhanced.
On the basis, the fastening end is also provided with a positioning hole for fixing the screw, so that when the screw is fixedly connected, the screw penetrating through the two L-shaped sectional materials is positioned, and the fixing effect of the connecting structure is further enhanced.
The invention also provides another connecting structure between the inner layer profile and the outer layer profile:
the clamping piece is a clasp extending outwards, the clasp is arranged on one side of the end part of the heat insulation broken bridge and extends outwards from one side of the end part so as to be matched with a locking part of the connected inner-layer or outer-layer sectional material to realize the connection of the inner-layer and outer-layer sectional materials.
Furthermore, the locking part is a buckling part arranged on the outer wall of the inner-layer or outer-layer sectional material; when the clasp is buckled with the buckling part, the end part of the heat insulation broken bridge is tightly spliced with the connecting surface of the corresponding section bar. On one hand, the clasp is matched with the buckling part to realize the connection of the clasp and the buckling part; on the other hand, when the two are connected, the heat insulation broken bridge is closely spliced with the opposite inner layer or outer layer section bar connecting surface, so that heat is kept to be transferred, and a heat insulation effect is achieved.
On the basis, the clasp is still equipped with the screw with the lock department of buckling part for run through the screw and be connected clasp and buckling part through the screw, so that on clasp and buckling part's the connection basis, increase the screw connection, strengthen fixed effect.
Furthermore, the locking part is a convex block arranged on one side of the end part of the heat insulation broken bridge, and an auxiliary clasp is also arranged on the connecting surface of the inner layer or outer layer profile; when the auxiliary clasp is buckled with the convex block, the end part of the heat insulation broken bridge is tightly spliced with the connecting surface of the corresponding section bar. Let ectonexine section bar, one end is connected with buckling part through above-mentioned clip, and the other end is through the lug at thermal-insulated bridge cut-off tip, and supplementary clip carries out the lock joint with relative section bar on fixed to realize that both ends regard as the fixed connection structure of base through thermal-insulated bridge cut-off, the balanced support, strengthen the connection stability between the inside and outside section bar effectively, avoid the deformation situation to take place.
Drawings
Fig. 1 is an overall structural view of a casement window of the present invention;
FIG. 2 is a cross-sectional view of portion ABC of the casement window of the present invention;
FIG. 3 is a cross-sectional view of the DE section of the casement window of the present invention;
FIG. 4 is a cross-sectional view of the FGH section of the casement window of the present invention;
FIG. 5 is a partially enlarged view of a first connecting structure of the casement window according to the present invention;
fig. 6 is a connection state view of a first connection structure of a casement window according to the present invention;
fig. 7 is a partially enlarged view of a second coupling structure of the casement window according to the present invention.
Detailed Description
A casement window of the present invention is described with reference to the accompanying drawings.
As shown in fig. 1 to 4, the casement window includes an ABCDEFGH section, in which fig. 2 is a cross-sectional view of the ABC section, fig. 3 is a cross-sectional view of the DE section, and fig. 4 is a cross-sectional view of the FGH section. The window frame section bar of flat-open window includes inlayer section bar 1 and outer section bar 2, set up thermal-insulated bridge cut-off 3 on the face of connecting of inlayer section bar 1 and outer section bar 2 respectively. Still be provided with connection structure between inlayer section bar 1 and outer section bar 2, connection structure includes the holder that outwards extends as the base with thermal-insulated bridge cut-off 3, and the locking portion that sets up on the relevant position of inlayer section bar 1 and outer section bar 2, locking portion and holder are locking cooperation each other, realize inlayer section bar 1 and outer section bar 2's fixed connection.
Specifically, as shown in fig. 5, in the first embodiment of the connection structure of the present invention, the clamping member is an L-shaped profile 4 extending outward from the end of the thermal insulation bridge-break 3, and includes an extending portion 41, a fastening end 42, and a fixed end 43, where the fixed end 43 extends from the end of the thermal insulation bridge-break 3 to one side and is balanced with the fastening end 42 to form a locking portion embedded into the extending portion 41.
As shown in fig. 6, the shapes of the inner layer profile 1 and the outer layer profile 2 are the same, the L-shaped profile 4 is arranged on each thermal insulation bridge cut-off 3, and the inner layer profile 1 and the outer layer profile 2 are spliced into a whole by mutually fastening the fastening end 42 of the L-shaped profile 4 with the locking portion.
Because the shapes of the inner layer section bar 1 and the outer layer section bar 2 are the same, the inner layer section bar 1 and the outer layer section bar 2 can be mutually used after the inner layer section bar 1 and the outer layer section bar 2 are processed by color, the stock of the section bars is effectively reduced, and a large amount of stock cost is saved for manufacturers.
In addition, after the inner-layer section bar 1 and the outer-layer section bar 2 are respectively provided with the heat insulation broken bridge 3, the L-shaped section bar 4 is mutually buckled with the locking part to splice the two into a whole, so that two sections of heat insulation broken bridges 3 are formed between the inner-layer section bar 1 and the outer-layer section bar 2. In practical application, heat received by the outer-layer profile 2 outdoors passes through the heat-insulating broken bridge 3 of the outer-layer profile 2, passes through the L-shaped profile 4 between the inner-layer profile 1 and the outer-layer profile 2, passes through the heat-insulating broken bridge 3 of the inner-layer profile 1, and finally enters the inner-layer profile 1. In the process, the heat is subjected to heat insulation treatment of the secondary heat insulation broken bridge 3, so that double heat insulation is realized between the inner-layer sectional material 1 and the outer-layer sectional material 2, the influence of external temperature on the inside is further reduced, and the heat insulation effect is effectively enhanced.
Preferably, as shown in fig. 5, a positioning portion 421 matching with the fixed end 43 in shape is disposed outside the fastening end 42, and the positioning portion 421 is an embedded unfilled corner; the extending length of the fixed end 43 is the same as that of the buckling end 42, when the buckling end 42 is buckled with the locking part, the fixed end 43 is embedded in the positioning part 421 of the opposite L-shaped section bar 4 to form a balanced abutting structure, so that the supporting effect of the connection between the fixed end 43 and the L-shaped section bar is effectively enhanced, and the section bar is prevented from being easily deformed under the action of external force after being used for a long time.
In the processing process, the L-shaped profiles 4 at each end of the inner-layer profile 1 and the outer-layer profile 2 need to be fastened with each other, the end portion of the fastening end 42 of the L-shaped profile 4 needs to be fastened between the fastening end 42 and the fixed end 43 on the opposite side, and a locking portion is inserted to realize fixed connection, so as to facilitate entering the region between the fastening end 42 and the fixed end 43, as shown in fig. 5, the end portion of the fastening end 42 is further provided with an inclined surface 422 used for avoiding the fixed end 43 when the fastening end 42 is fastened into the locking portion, and the inclined surface 422 extends from the positioning portion 421 to the end portion of the fastening end 42. When the buckling end 42 enters the locking part, the fixed end 43 can be avoided through the inclined plane 422, and then the fixed end extends into the locking part along the inclined plane 422, so that the installation and operation are more convenient and faster, and the processing efficiency is improved.
The structure of the L-shaped profile 4 is improved, as shown in fig. 5 to 6, the inner side surface of the fastening end 42 is a convex tooth surface 423, when the inner layer profile 1 and the outer layer profile 2 are fastened through the respective fastening ends 42, the convex tooth surfaces 423 of the fastening ends 42 are engaged with each other, so as to increase the friction force after the two L-shaped profiles 4 are connected, and enhance the fixing effect.
On the basis, as shown in fig. 5, the fastening end 42 is preferably further provided with a positioning hole 424 for fixing a screw, so that when the screw is used for fixing and connecting, the screw penetrating through the two L-shaped profiles 4 is positioned, and the fixing effect of the connecting structure is further enhanced.
The invention also provides another connecting structure between the inner-layer profile 1 and the outer-layer profile 2, as shown in fig. 7, the clamping piece is an outward extending clasp 51, the clasp 51 is arranged on one side of the end part of the heat insulation bridge-cut-off 3 and extends outwards from one side of the end part so as to be matched with the locking part of the connected inner-layer profile 1 or outer-layer profile 2 to realize the connection of the inner-layer profile 1 and the outer-layer profile 2.
The locking part is a buckling part 61 arranged on the outer wall of the inner layer profile 1 or the outer layer profile 2; when the clasp 51 is buckled with the buckling part 61, the end part of the heat insulation broken bridge 3 is tightly spliced with the connecting surface of the corresponding section bar, so that heat is kept to be transferred, and a heat insulation effect is achieved.
On the basis, the buckling position of the clasp 51 and the buckling part 61 is further provided with a screw hole for connecting the clasp 51 and the buckling part 61 through a screw penetrating through the screw hole, so that on the basis of connection of the clasp 51 and the buckling part 61, screw connection is increased, and the fixing effect is enhanced.
Preferably, the locking part is a convex block 62 arranged on one side of the end part of the heat insulation bridge-cut-off 3, and an auxiliary clasp 52 is further arranged on the connecting surface of the inner layer profile 1 or the outer layer profile 2; when the auxiliary hook 52 and the projection 62 are engaged with each other, the end of the thermal insulating bridge-breaker 3 is tightly engaged with the connecting surface of the corresponding profile. Let inlayer section bar 1 and outer section bar 2, one end is passed through above-mentioned clip 51 and is connected with buckling part 61, and the other end is through the lug 62 at 3 tip of thermal-insulated bridge cut-off, and supplementary clip 52 carries out the lock joint with relative section bar and fixes to realize that both ends regard as the fixed connection structure of base through thermal-insulated bridge cut-off 3, the balanced support strengthens the stability of being connected between inlayer section bar 1 and outer section bar 2 effectively, avoids the deformation situation to take place.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (3)
1. A casement window comprises an inner layer section bar and an outer layer section bar of a window frame, wherein a heat insulation bridge cut-off is arranged between the inner layer section bar and the outer layer section bar; the heat insulation connecting structure is characterized in that heat insulation broken bridges are respectively arranged on the connecting surfaces of the inner-layer sectional material and the outer-layer sectional material, the heat insulation connecting structure also comprises a connecting structure between the inner-layer sectional material and the outer-layer sectional material, the connecting structure comprises a clamping piece which takes the heat insulation broken bridges as a base and extends outwards, and a locking part is arranged at the corresponding position of the inner-layer sectional material and the outer-layer sectional material, and the locking part and the clamping piece are mutually locked and matched to realize the fixed connection of the inner-layer sectional; the clamping piece is an L-shaped profile extending outwards from the end part of the heat insulation broken bridge and comprises an extending part, a fastening end and a fixed end, wherein the fixed end extends towards one side from the end part of the heat insulation broken bridge and is balanced with the fastening end to form a locking part embedded into the extending part; the shapes of the inner layer section and the outer layer section are the same, the L-shaped section is arranged on each heat insulation broken bridge, and the inner layer section and the outer layer section are spliced into a whole through the mutual buckling of the buckling end and the locking part of the L-shaped section; the fastening end is also provided with a positioning hole for fixing the screw.
2. The casement window according to claim 1, wherein a positioning part matched with the shape of the fixed end is arranged outside the buckling end, and the positioning part is an embedded unfilled corner; the extended length of the fixed end is the same as that of the buckling end, and when the buckling end is buckled with the locking part, the fixed end is embedded in the positioning part of the opposite L-shaped section.
3. The casement window according to claim 2, wherein an end of the snap end is further provided with an inclined surface for avoiding the fixed end when the snap end is snapped into the locking portion, the inclined surface extending from the positioning portion to the end of the snap end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710357817.8A CN107217953B (en) | 2017-05-19 | 2017-05-19 | Casement window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710357817.8A CN107217953B (en) | 2017-05-19 | 2017-05-19 | Casement window |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107217953A CN107217953A (en) | 2017-09-29 |
| CN107217953B true CN107217953B (en) | 2020-10-27 |
Family
ID=59945373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710357817.8A Expired - Fee Related CN107217953B (en) | 2017-05-19 | 2017-05-19 | Casement window |
Country Status (1)
| Country | Link |
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| CN (1) | CN107217953B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3107810A1 (en) * | 1981-02-28 | 1982-09-16 | Helmar Dr.Dr. 8530 Neustadt Nahr | Extruded profile for forming heat-insulated frames |
| CN2855735Y (en) * | 2005-08-09 | 2007-01-10 | 严杏林 | Double inlaid and casting type composite thermal-insulation aluminium shaped material |
| CN101302912B (en) * | 2007-05-11 | 2010-12-15 | 苏州罗普斯金铝业股份有限公司 | Pouring heat insulating section material |
| GB2504986A (en) * | 2012-08-16 | 2014-02-19 | Altec Systems Ltd | Frame profile with insulating spacers and spacer support |
| CN105840054A (en) * | 2016-05-30 | 2016-08-10 | 叶显 | Double-cavity glue-injection sliding window |
| CN106320516A (en) * | 2016-08-22 | 2017-01-11 | 朱成祥 | Thermal-insulation glue injection profile substrate, thermal-insulation glue injection profile and machining method of thermal-insulation glue injection profile |
| CN207420338U (en) * | 2017-05-19 | 2018-05-29 | 吕红春 | A kind of casement window |
-
2017
- 2017-05-19 CN CN201710357817.8A patent/CN107217953B/en not_active Expired - Fee Related
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| CN107217953A (en) | 2017-09-29 |
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Effective date of registration: 20200925 Address after: 730100 beside the second artillery of Park Avenue of science and technology new town in the east of Dingyuan Town, Yuzhong County, Lanzhou City, Gansu Province Applicant after: Gansu Guohua curtain wall engineering Co.,Ltd. Address before: Three road 528225 Guangdong Province Nanhai District of Foshan City Shishan town Bianxing Hong Tan No. 36 factory Applicant before: Lv Hongchun |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20201027 |