CN214528714U - Glass plate manufacturing device - Google Patents
Glass plate manufacturing device Download PDFInfo
- Publication number
- CN214528714U CN214528714U CN202120156603.6U CN202120156603U CN214528714U CN 214528714 U CN214528714 U CN 214528714U CN 202120156603 U CN202120156603 U CN 202120156603U CN 214528714 U CN214528714 U CN 214528714U
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- China
- Prior art keywords
- glass
- glass ribbon
- cutter
- manufacturing apparatus
- thickness sensor
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
- C03B33/023—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor the sheet or ribbon being in a horizontal position
- C03B33/03—Glass cutting tables; Apparatus for transporting or handling sheet glass during the cutting or breaking operations
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
- C03B33/023—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor the sheet or ribbon being in a horizontal position
- C03B33/037—Controlling or regulating
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The utility model relates to a glass plate manufacturing installation (100) of processing glass belt (GR) that will send out in succession into glass sheet (G2), possess and violently cut the mechanism (14), this violently cut the mechanism (14) through making the cutter (22) along carrying the glass belt (GR) that the direction (X) was carried along carrying the direction (X) displacement while moving along the width direction and processing the transversal cut line (L2) along the width direction (Y) that is orthogonal with carrying the direction (X) to glass belt (GR), in violently cut the mechanism (14), in cutter support (38) that supports cutter (22) be equipped with the thickness sensor (39) of survey the thickness of glass belt (GR), the clearance of thickness sensor (39) relative to the surface of glass belt (GR) is set to be more than 0.05mm and 300mm below.
Description
Technical Field
The utility model relates to a glass plate manufacturing device.
Background
In a glass sheet manufacturing apparatus, glass melted in a melting furnace is formed into a smooth ribbon-shaped glass ribbon by a float bath and fed into an annealing furnace. The glass ribbon fed into the annealing furnace is cut in the width direction, and the lug portions having uneven thickness at both edges in the width direction are removed to form glass plates having a predetermined size (see, for example, patent document 1).
Further, there is known a technique of measuring the thickness of a glass ribbon by moving a measuring device in the width direction of the glass ribbon in a float bath for forming the glass ribbon, and feeding back the measurement result from the measuring device to a control device (for example, see patent document 2).
Documents of the prior art
Patent document
Patent document 1: international publication No. 2015/083530
Patent document 2: japanese Utility model laid-open No. 2-95804
SUMMERY OF THE UTILITY MODEL
Summary of the utility model
Problem to be solved by utility model
However, as in the manufacturing apparatus described in patent document 1, the glass ribbon is continuously formed and fed from the float bath. Therefore, it is difficult to measure the thickness of the glass ribbon over the entire width with high accuracy by moving only the measuring device in the width direction with respect to the glass ribbon that is always conveyed in the conveyance direction as in the technique described in patent document 2.
Accordingly, an object of the present invention is to provide a glass sheet manufacturing apparatus capable of accurately measuring the thickness of a continuously fed glass ribbon over the entire width thereof to manufacture a high-quality glass sheet.
Means for solving the problems
The utility model comprises the following structure.
A glass plate manufacturing apparatus for processing a continuously fed glass ribbon into a glass plate,
the glass plate manufacturing apparatus includes a transverse cutting mechanism that moves a cutter in a width direction while displacing the cutter in the conveyance direction with respect to the glass ribbon conveyed in the conveyance direction, and that processes a transverse cut line in the width direction orthogonal to the conveyance direction with respect to the glass ribbon,
in the transverse cutting mechanism, a plate thickness sensor for measuring the plate thickness of the glass ribbon is arranged on a cutter bracket for supporting the cutter,
the gap between the plate thickness sensor and the surface of the glass ribbon is set to be 0.05mm to 300 mm.
Effect of the utility model
The present invention provides a glass sheet manufacturing apparatus capable of manufacturing a high-quality glass sheet by accurately measuring the thickness of a continuously fed glass ribbon over the entire width.
Drawings
Fig. 1 is a schematic plan view illustrating the structure of the glass plate manufacturing apparatus according to the present embodiment.
Fig. 2 is a sectional view a-a of fig. 1.
Fig. 3 is an enlarged view of a portion of fig. 2.
Fig. 4 is a schematic block diagram illustrating a control system of the manufacturing apparatus.
Detailed Description
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
Fig. 1 is a schematic plan view illustrating the structure of the glass plate manufacturing apparatus according to the present embodiment.
As shown in fig. 1, the glass plate manufacturing apparatus 100 of the present embodiment includes a conveying mechanism 12, and the conveying mechanism 12 is constituted by a roller conveyor including a plurality of rollers 11. The conveyance mechanism 12 conveys the glass ribbon GR, which is formed by the upstream float bath (not shown), cooled in the annealing furnace (not shown), and continuously sent out, to the downstream side in the conveyance direction X.
The glass plate manufacturing apparatus 100 includes a slitting mechanism 13, a transverse cutting mechanism 14, a transverse folding mechanism 15, and a lug folding mechanism 16. The longitudinal cutting mechanism 13, the transverse cutting mechanism 14, the transverse folding mechanism 15, and the ear folding mechanism 16 are provided in this order from the upstream side to the downstream side in the conveyance direction X of the glass ribbon GR in the conveyance mechanism 12.
The longitudinal cutting mechanism 13 processes a longitudinal tangent line L1 in the longitudinal direction at both edge portions of the glass ribbon GR conveyed by the conveying mechanism 12. The longitudinal cutting line L1 is a scribe line for separating the product portion GA and the ear portion GB, and is added at the boundary between the product portion GA and the ear portion GB. The glass ribbon GR is processed by the longitudinal cutting line L1 and divided into a product portion GA and an ear portion GB. The longitudinal cutting mechanism 13 includes a pair of disk-shaped cutters 21, and presses the cutters 21 to the vicinity of both edges of the glass ribbon GR conveyed in the conveying direction X, thereby processing a longitudinal cutting line L1 on the upper surface of the glass ribbon GR.
The cross cutting mechanism 14 processes a cross cut line L2 on the glass ribbon GR conveyed by the conveying mechanism 12. The transverse cutting line L2 is a scribe line for cutting the glass ribbon GR to cut out glass plates. The transverse cutting mechanism 14 includes a disk-shaped cutter 22, and by pressing the cutter 22 against the glass ribbon GR while moving the cutter in a direction obliquely intersecting the conveyance direction X, a transverse cutting line L2 serving as a scribe line is formed on the upper surface of the glass ribbon GR in the width direction Y orthogonal to the conveyance direction X.
The glass sheet manufacturing apparatus 100 of this example includes two cross cutting mechanisms 14, and the cross cutting lines L2 can be formed at narrow intervals along the longitudinal direction as the conveyance direction X by the two cross cutting mechanisms 14.
The transverse folding mechanism 15 is a mechanism that applies a bending force from below to the glass ribbon GR conveyed in the conveyance direction X by the conveyance mechanism 12 and cuts the glass ribbon GR along the transverse tangent line L2. The lateral folding mechanism 15 pushes up the glass ribbon GR in the width direction by a pressing roller (not shown) at a position of a lateral tangent line L2 of the glass ribbon GR, for example. Thus, the glass ribbon GR is cut along the transverse tangent line L2 to be formed into the glass sheet G1 in the portion where the bending force in the conveyance direction X acts on the transverse tangent line L2.
The ear folding mechanism 16 cuts the glass sheet G1 cut from the glass ribbon GR by applying a bending force to the glass sheet along the longitudinal cutting line L1 at both edges. Thus, the glass sheet G1 is cut at the longitudinal cut line L1, and becomes a glass sheet G2 after the ear portions GB on both edges are separated from the product portion GA.
Next, the cross cutting mechanism 14 provided in the glass plate manufacturing apparatus 100 having the above-described configuration will be described in detail.
Fig. 2 is a sectional view a-a of fig. 1. Fig. 3 is an enlarged view of a portion of fig. 2.
As shown in fig. 2, the cross cutting mechanism 14 has a gate-shaped frame 31. The frame 31 is composed of a pair of support columns 32 erected on both sides of the transport mechanism 12, and a beam 33 bridged over the upper ends of the support columns 32. The frame 31 is disposed such that a beam 33 obliquely crosses above the conveyance mechanism 12.
A table 34 is provided on the beam 33, and the table 34 is movable along a rail 35 provided on the beam 33. A cylinder 36 is mounted on the table 34. The cylinder 36 has a rod 37 projecting downward, and advances and retreats the rod 37. A cutter holder 38 is provided at the lower end of the rod 37, and the cutter 22 is rotatably supported by the cutter holder 38. The cutter 22 is moved from the machining start position on one end side of the beam 33 to the machining end position on the other end side of the beam 33 by the movement of the table 34. At this time, the cutter 22 rolls while being pressed against the surface of the glass ribbon GR by the cylinder 36. Thus, the cutter 22 cuts the glass ribbon GR at a transverse cut line L2.
Here, the beam 33 disposed obliquely across the upper side of the transport mechanism 12 is disposed with one end of the cutter 22 on the machining start position side on the upstream side and the other end of the cutter 22 on the machining end position side on the downstream side with respect to the transport direction X. Therefore, when the cutter 22 moves along the beam 33 and scribes the glass ribbon GR, it always follows the glass ribbon GR conveyed in the conveying direction X and is displaced in the conveying direction X. Thus, the cutter 22 always moves in the width direction Y orthogonal to the conveyance direction X of the glass ribbon GR relative to the glass ribbon GR conveyed in the conveyance direction X. Therefore, a transverse tangent L2 along the width direction Y orthogonal to the conveyance direction X is formed in the glass ribbon GR.
As shown in fig. 3, the transverse cutting mechanism 14 includes a plate thickness sensor 39. The thickness sensor 39 measures the thickness of the glass ribbon GR and is provided to the cutter holder 38. The plate thickness sensor 39 is preferably disposed on the front side of the cutter holder 38 in the advancing direction of the cutter 22. When the cutter 22 is used to scribe the glass ribbon GR, the sheet thickness sensor 39 is moved together with the cutter 22 relative to the glass ribbon GR in the width direction Y orthogonal to the conveyance direction X. The sheet thickness sensor 39 is composed of various sensors capable of optically measuring a distance, such as a laser sensor and an LED sensor, and optically detects the positions of the front surface (top surface) and the back surface (bottom surface) of the glass ribbon GR. The sheet thickness sensor 39 is disposed so that a gap between the surface of the glass ribbon GR and the surface thereof is 0.05mm to 300 mm. The gap between the sheet thickness sensor 39 and the surface of the glass ribbon GR is preferably 10mm to 100 mm.
In the present embodiment, the cross cutting mechanism 14 includes a running board 41. The run-up board 41 is formed of a wedge-shaped board, and has a track path 42 inclined downward toward the front end and the upper surface. The rear end of the run-up plate 41 is fixed to a frame 43. The base end of the frame 43 is supported by the beam 33. A running board position adjusting mechanism (not shown) is provided on the beam 33, and the frame 43 is displaced along the beam 33 by the running board position adjusting mechanism, thereby adjusting the position of the running board 41.
When the scribing process for the glass ribbon GR is started, the cutter 22 travels on the track 42 of the run-up plate 41 and lands on the surface of the glass ribbon GR. This alleviates the impact on the cutter 22 when the glass ribbon GR is landed on the surface. Further, the cutter 22 is prevented from being damaged by the cutter 22 running over the ear GB having the concave and convex portions.
In the present embodiment, the cross cutting mechanism 14 includes a pressing roller 45 (see fig. 1). The pressing rollers 45 are provided upstream and downstream of the cutter 22 in the conveyance direction X of the glass ribbon GR, and press both edges of the glass ribbon GR from the upper side thereof. Thus, the pressing roller 45 presses the upstream and downstream positions of the scribing position by the cutter 22, and the cutter 22 smoothly scribes the glass ribbon GR.
Fig. 4 is a schematic block diagram illustrating a control system of the manufacturing apparatus.
As shown in fig. 4, in the present embodiment, the glass plate manufacturing apparatus 100 includes a control unit 200. The control unit 200 is connected to the conveying mechanism 12, the slitting mechanism 13, the transverse cutting mechanism 14, the transverse folding mechanism 15, and the ear folding mechanism 16, and controls these mechanisms, respectively. The thickness sensor 39 of the transverse cutting mechanism 14 is connected to the control unit 200, and measurement data of the thickness of the glass ribbon GR is transmitted from the thickness sensor 39 to the control unit 200.
In the transverse cutting mechanism 14, based on a processing command from the control unit 200, scribing for forming a transverse cutting line L2 on the glass ribbon GR is started. Specifically, the table 34 of the traverse mechanism 14 moves, and the cutter 22 at the processing start position moves on the track 42 of the run-up plate 41, lands on the surface of one edge portion of the glass ribbon GR, rolls while being pressed against the surface of the glass ribbon GR, and moves toward the processing end position of the glass ribbon GR. At this time, the lubricant is supplied to the processing portion by the cutter 22. The cutter 22 is pulled up to a processing end position before reaching the other edge portion of the glass ribbon GR, and then the table 34 is moved in the reverse direction to return to the processing start position. Thus, the cutter 22 cuts the glass ribbon GR at a transverse cut line L2.
In the transverse cutting mechanism 14, when the cutter 22 performs scribing on the glass ribbon GR, measurement data of the thickness of the glass ribbon GR is transmitted from the thickness sensor 39 that moves together with the cutter 22 to the control section 200.
The control unit 200 determines the cross-sectional shape of the glass ribbon GR based on the measurement data of the sheet thickness transmitted from the sheet thickness sensor 39 of the transverse cutting mechanism 14. Further, the amount of drawing of the glass ribbon GR is determined based on the determined cross-sectional shape of the glass ribbon GR. Then, the upstream float bath, the conveyance mechanism 12 for drawing in the glass ribbon GR fed out from the float bath, and the like are controlled so that the obtained drawing amount becomes a predetermined target drawing amount.
As described above, the apparatus 100 for manufacturing a glass sheet according to the present embodiment includes the transverse cutting mechanism 14 that moves the cutter 22 in the width direction while displacing the cutter in the conveyance direction X of the glass ribbon GR, and processes the glass ribbon GR with the transverse cutting line L2 perpendicular to the conveyance direction X. A plate thickness sensor 39 for measuring the plate thickness of the glass ribbon GR is provided to the cutter holder 38 for supporting the cutter 22 of the transverse cutting mechanism 14. The gap between the sheet thickness sensor 39 and the surface of the glass ribbon GR is set to 0.05mm to 300 mm. This enables the thickness of the glass ribbon GR to be measured with high accuracy over the entire width in the width direction Y orthogonal to the longitudinal direction. Further, since the transverse cutting mechanism 14 for processing the transverse cutting line L2 on the glass ribbon GR has a function of measuring the sheet thickness, the facility cost can be suppressed as compared with the case where a dedicated measuring mechanism for measuring the sheet thickness of the glass ribbon GR is provided.
In the present embodiment, a plate thickness sensor 39 is disposed on the cutter holder 38 on the front side in the traveling direction of the cutter 22. Therefore, the thickness of the glass ribbon GR can be accurately measured by the thickness sensor 39 without being affected by the lubricant supplied to the processing portion of the glass ribbon GR by the cutter 22.
In the present embodiment, the transverse cutting mechanism 14 includes the pressing rollers 45 that press the upstream side and the downstream side of the glass ribbon GR in the conveyance direction X, and therefore, the shaking or vibration of the processing portion of the glass ribbon GR by the cutter 22 can be suppressed. Thus, the thickness of the glass ribbon GR can be stably measured by the thickness sensor 39 that moves together with the travel of the cutter 22.
In the apparatus 100 for manufacturing a glass sheet according to the present embodiment, the control section 200 determines the cross-sectional shape of the glass ribbon GR based on the measurement data of the sheet thickness from the sheet thickness sensor 39, and controls the drawing amount of the glass ribbon GR based on the determined cross-sectional shape. This makes it possible to adjust the draw-out amount of the glass ribbon GR to a preset target draw-out amount in substantially real time, and to manufacture a high-quality glass sheet G2.
The plate thickness sensor 39 may be provided in either one of the two transverse cutting mechanisms 14, but may be provided in each of the two transverse cutting mechanisms 14. The sheet thickness sensor 39 may be provided in another mechanism including a mechanism that moves in the width direction to cross the glass ribbon GR. For example, the thickness sensor 39 may be further provided in another thickness measuring mechanism for measuring the thickness of the glass ribbon GR, so that the thickness of the glass ribbon can be measured with high accuracy.
As described above, the present invention is not limited to the above-described embodiments, and it is also intended to cover, within the scope of protection sought, cases where the respective configurations of the embodiments are combined with each other, and cases where a person skilled in the art changes or applies the combination based on the description of the specification and well-known techniques.
As described above, the present specification discloses the following matters.
(1) A glass plate manufacturing apparatus for processing a continuously fed glass ribbon into a glass plate,
the glass plate manufacturing apparatus includes a transverse cutting mechanism for processing a transverse cutting line along a width direction orthogonal to a conveying direction of the glass ribbon by displacing a cutter along the conveying direction and moving the cutter along the width direction,
in the transverse cutting mechanism, a plate thickness sensor for measuring the plate thickness of the glass ribbon is arranged on a cutter bracket for supporting the cutter,
the gap between the plate thickness sensor and the surface of the glass ribbon is set to be 0.05mm to 300 mm.
The apparatus for manufacturing a glass sheet having this configuration includes a transverse cutting mechanism that moves the cutter in the width direction while displacing the cutter in the conveyance direction of the glass ribbon, and that processes a transverse cut line in the width direction orthogonal to the conveyance direction of the glass ribbon. A plate thickness sensor for measuring the plate thickness of the glass ribbon is provided in a cutter holder for supporting a cutter of the transverse cutting mechanism. The gap between the thickness sensor and the surface of the glass ribbon is set to 0.05mm to 300 mm. Thus, the thickness of the glass ribbon can be measured with high accuracy over the entire width in the width direction orthogonal to the longitudinal direction. Further, since the transverse cutting mechanism for processing the transverse cutting line on the glass ribbon has a function of measuring the thickness of the glass ribbon, the facility cost can be reduced compared to the case where a dedicated measuring mechanism for measuring the thickness of the glass ribbon is provided.
(2) The apparatus for manufacturing a glass sheet according to the item (1), wherein the sheet thickness sensor is disposed on a front side of the cutter holder in a traveling direction of the cutter.
According to the glass plate manufacturing apparatus having this configuration, the plate thickness sensor is disposed on the cutter holder on the front side in the traveling direction of the cutter. Therefore, the thickness of the glass ribbon can be accurately measured by the thickness sensor without being affected by the lubricant supplied to the processing portion of the glass ribbon by the cutter.
(3) The apparatus for manufacturing a glass sheet according to (1) or (2), wherein the cross cutting mechanism includes press rollers that press an upstream side and a downstream side of the glass ribbon in the conveyance direction.
According to the glass sheet manufacturing apparatus having this configuration, since the transverse cutting mechanism includes the pressing rollers that press the upstream side and the downstream side in the conveyance direction of the glass ribbon, it is possible to suppress the shaking or vibration of the processing portion of the glass ribbon by the cutter. Thus, the thickness of the glass ribbon can be stably measured by the thickness sensor moving along with the movement of the cutter.
(4) The apparatus for manufacturing a glass sheet according to any one of (1) to (3), wherein the apparatus for manufacturing a glass sheet includes a control unit that obtains a cross-sectional shape of the glass ribbon based on measurement data of a sheet thickness from the sheet thickness sensor, and controls a drawing amount of the glass ribbon based on the obtained cross-sectional shape.
According to the glass sheet manufacturing apparatus having this configuration, the control unit obtains the cross-sectional shape of the glass ribbon based on the measurement data of the sheet thickness from the sheet thickness sensor, and controls the amount of the glass ribbon to be drawn based on the obtained cross-sectional shape. Thus, the drawing amount of the glass ribbon can be adjusted to a preset target drawing amount in substantially real time, and a high-quality glass sheet can be manufactured.
It will be apparent to those skilled in the art that the present invention has been described in detail with reference to specific embodiments, but various changes and modifications can be made without departing from the spirit and scope of the invention.
This application is based on Japanese Utility model registration application 2020-.
Description of the reference symbols
14 transverse cutting mechanism
22 cutter
38 cutter holder
39 board thickness sensor
45 pressing roller
100 manufacturing apparatus
200 control part
G2 glass plate
GR glass belt
X direction of conveyance
Y width direction
Claims (5)
1. A glass plate manufacturing apparatus for processing a continuously fed glass ribbon into a glass plate,
the glass plate manufacturing apparatus includes a transverse cutting mechanism that moves a cutter in a width direction while displacing the cutter in the conveyance direction with respect to the glass ribbon conveyed in the conveyance direction, and that processes a transverse cut line in the width direction orthogonal to the conveyance direction with respect to the glass ribbon,
in the transverse cutting mechanism, a plate thickness sensor for measuring the plate thickness of the glass ribbon is arranged on a cutter bracket for supporting the cutter,
the gap between the plate thickness sensor and the surface of the glass ribbon is set to be 0.05mm to 300 mm.
2. The glass-plate manufacturing apparatus according to claim 1,
the plate thickness sensor is disposed on a front side of the cutter holder in a traveling direction of the cutter.
3. The glass-plate manufacturing apparatus according to claim 1 or 2,
the transverse cutting mechanism is provided with pressing rollers for pressing the upstream side and the downstream side of the glass ribbon in the conveying direction.
4. The glass-plate manufacturing apparatus according to claim 1 or 2,
the glass sheet manufacturing apparatus includes a control unit that determines a cross-sectional shape of the glass ribbon based on measurement data of a sheet thickness from the sheet thickness sensor, and controls a drawing amount of the glass ribbon based on the determined cross-sectional shape.
5. The glass-plate manufacturing apparatus according to claim 3,
the glass sheet manufacturing apparatus includes a control unit that determines a cross-sectional shape of the glass ribbon based on measurement data of a sheet thickness from the sheet thickness sensor, and controls a drawing amount of the glass ribbon based on the determined cross-sectional shape.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020-000239 | 2020-01-09 | ||
| JP2020000239U JP3225806U (en) | 2020-01-24 | 2020-01-24 | Glass plate manufacturing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214528714U true CN214528714U (en) | 2021-10-29 |
Family
ID=69954178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120156603.6U Active CN214528714U (en) | 2020-01-24 | 2021-01-20 | Glass plate manufacturing device |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP3225806U (en) |
| KR (1) | KR20210001788U (en) |
| CN (1) | CN214528714U (en) |
| TW (1) | TWM612706U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116023005A (en) * | 2022-12-09 | 2023-04-28 | 彩虹显示器件股份有限公司 | TFT substrate glass thickness regulating device and method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023079991A1 (en) * | 2021-11-08 | 2023-05-11 | Ａｇｃ株式会社 | Production method for wedge-shaped glass |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0295804A (en) | 1988-09-30 | 1990-04-06 | Ngk Insulators Ltd | Manufacture of pipe made of ceramics |
| KR102179889B1 (en) | 2013-12-04 | 2020-11-17 | 에이지씨 가부시키가이샤 | Method and device for producing glass plate |
-
2020
- 2020-01-24 JP JP2020000239U patent/JP3225806U/en active Active
-
2021
- 2021-01-20 CN CN202120156603.6U patent/CN214528714U/en active Active
- 2021-01-21 KR KR2020210000209U patent/KR20210001788U/en unknown
- 2021-01-21 TW TW110200760U patent/TWM612706U/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116023005A (en) * | 2022-12-09 | 2023-04-28 | 彩虹显示器件股份有限公司 | TFT substrate glass thickness regulating device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM612706U (en) | 2021-06-01 |
| JP3225806U (en) | 2020-04-02 |
| KR20210001788U (en) | 2021-08-03 |
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