CN102795760B - Novel automobile sandwich glass compression moulding die - Google Patents
Novel automobile sandwich glass compression moulding die Download PDFInfo
- Publication number
- CN102795760B CN102795760B CN201210269121.7A CN201210269121A CN102795760B CN 102795760 B CN102795760 B CN 102795760B CN 201210269121 A CN201210269121 A CN 201210269121A CN 102795760 B CN102795760 B CN 102795760B
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- annealing
- punch
- die
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- glass
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The invention relates to a novel automobile sandwich glass compression moulding die, comprising a compression assembly and an annealing assembly, wherein the compression assembly is arranged at a compression section, while the annealing assembly is arranged at an annealing section; the compression assembly is composed of a compression convex die (1) and a compression concave die, the two of which are arranged in opposition to each other; the annealing assembly is composed of an annealing ring and an annealing convex die; the compression assembly is used for performing compression moulding outside a furnace on thermal-state glass, and then conveying the moulded glass to the annealing assembly; and the annealing assembly blows air to the glass and anneals the glass, thereby producing the sandwich glass. Compared with the prior art, the novel automobile sandwich glass compression moulding die is capable of accurately controlling the glass profile by controlling the glass profile through the die profile, and has the advantages of improving the rate of finished products, improving the production efficiency, reducing energy consumption and the like; and the most important point is that compression moulding is performed outside the furnace by means of the die; as a result, the problem that many exported complete glass is difficult to meet the high-difficulty requirements of customers (such as high-end customers such as Audi, Benz, BMW and the like) for the profile.
Description
Technical field
The present invention relates to a kind of vehicle glass forming mould, especially relate to a kind of automobile sandwich-glass press-moulding die.
Background technology
The current development along with automotive industry, the front windshield laminated glass of automobile and skylight laminated glass area and sphere size are increasing, profile deviation and the deviation fluctuation of automobile vendor to glass, the requirement of the aspects such as goodness of fit deviation and deviation fluctuation and optical property is also more and more higher.Existing automobile sandwich-glass (comprises the windshield of automobile, interlayer panorama skylight etc.) forming mould technology is: manually the cold conditions glass for moulding is placed on to the stainless steel annular being fixed in equipment stove transfer bogie and dries bending mould, annular die is supported on glass edge edge, transfer bogie is together sent into mould and glass in equipment stove and is transmitted, mould and glass are heated until glass is softening gradually in equipment stove heating zone, be subject to the sagging formation sphere in glass effect of weight glass middle part, transmission speed control glass by artificial setting transfer bogie is subject to heat-up time, and utilize the metal fast characteristic of absorbing heat, the situation of being heated by the different sites device stainless steel heat-absorbing block on mould with the different sites of joint effect glass, control profile moulding.The softening mould that fits in of glass is to control glass edge along the goodness of fit.That mould and glass are transferred to equipment annealing section is together cooling for transfer bogie subsequently, completes a production cycle.The whole unit glass output cycle is long, and transfer bogie once can only glass of output, therefore generally need to make straight-lined manufacturing in tens transmission dollies that tens pairs of identical matching dies are placed on respectively equipment stove with money glass.Existing forming technique Artificial Control glass be subject to thermoforming time and mould only with glass edge along contacting, the main glass dead load forming that relies on, cannot accurately control glass profile, and there is individual difference in each same money matching die, cause profile deviation, glass edge along the goodness of fit, the technical features such as optics are unstable, cannot ensure the consistence of product, and are unfavorable for that mould reprocesses.Glass (area and sphere) more difficult moulding and control that size is larger, need to grope moulding heated time the longer time and need to repeatedly repair mould stainless steel heat-absorbing block new glass kind.Therefore existing forming technique mould cannot be produced the laminated glass of some large sizes and hi-tech requirement (profile, the requirements such as the goodness of fit and optical property).The problems such as the glass that allows to produce some above-mentioned large size hi-techs requirements, still exists energy consumption large, and efficiency is slow, and yield rate is low, cause the waste of material and manpower, have strengthened the production cost of unit surface toughened glass.
Summary of the invention
Object of the present invention is exactly that a kind of automobile sandwich-glass press-moulding die that yield rate, height are put forward production efficiency, reduced energy consumption that improves is provided in order to overcome the defect that above-mentioned prior art exists.
Object of the present invention can be achieved through the following technical solutions:
A kind of automobile sandwich-glass press-moulding die, this mould comprises pressing assembly and annealing assembly, described pressing assembly is located at press section, described annealing assembly is located at annealing section, described pressing assembly is made up of the compacting punch (1) being oppositely arranged and compacting die, and described annealing assembly is made up of anneal ring and annealing punch; Pressing assembly, by the compression moulding outside stove of hot glass, is then transferred to annealing assembly by the glass of moulding, and annealing assembly, to glass blowing annealing, is produced laminated glass.
Described compacting punch (1) is provided with punch surface (3), mould cloth frame permanent seat (6), punch equipment is installed by location notch hole (7) and punch equipment is installed pressing plate groove (8), described punch surface (3) and glass contact, described compacting punch (1) is connected with mould cloth frame by mould cloth frame permanent seat (6), and is arranged on punch equipment by punch equipment installation location notch hole (7) and punch equipment installation pressing plate groove (8).
Described punch surface (3) is provided with punch centre hole (5) and for passing through the vacuum pore (4) of gas, described punch centre hole (5) is located at the mid-way of punch surface (3); On described compacting punch (1), be also provided with punch suspension ring erection bolt hole (9) for suspension ring are installed and for making to suppress the punch equipment fitting surface sealing-ring (10) of punch (1) and punch equipment close contact.
Described compacting die comprises die profile (12), die base (13) and die frame (11), it is upper that described die profile (12) is located at die base (13), and described die base (13) is located on die frame (11).
The die equipment that described die frame (11) is provided with for compacting die being fixed on die equipment is installed location notch hole (17), die equipment installation horizontal adjusting mechanism (19) and die equipment mounting-fixing base (18); Described die base (13) is provided with the die adjusting bolt mechanism (14) for adjusting die profile (12) position; Described die profile (12) is provided with die profile heater strip groove (15) for placing die heater strip (16) and the die centre hole (20) corresponding with punch centre hole (5).
Described annealing ring comprises annealing ring-like (23), annealing ring base (22) and annealing ring stand (21), described annealing ring-like (23) is located at annealing ring base (22) above, and described annealing ring base (22) is located on annealing ring stand (21).
Described annealing ring stand (21) is provided with the annealing ring adjustment tank (26) for adjusting annealing ring, the ring that makes to anneal is installed on the annealing ring apparatus of annealing on ring apparatus location notch hole (27) and annealing ring apparatus installation feet (28) are installed; Described annealing ring-like (23) is provided with annealing ring breather hole (30), for the annealing ring heater strip securing bolt (24) of fixing annealing ring heater strip (25) and annealing ring heater strip clip (31) and for adjusting the annealing ring adjusting bolt mechanism (29) of ring-like (23) position of annealing.
Described annealing punch comprises annealing punch surface (35), annealing punch surface base (36) and annealing punch frame (32), it is upper that described annealing punch surface (35) is located at annealing punch surface base (36), and described annealing punch surface base (36) is located on annealing punch frame (32).
Described annealing punch surface (35) is provided with annealing punch surface sealing rubber ring (34) and adjusts bolt mechanism (37) for the annealing punch surface of adjusting annealing punch surface; Described annealing punch frame (32) is provided with the punch location and installation that makes to anneal and is fixed on the annealing punch equipment installation location notch hole (33) on annealing punch equipment.
Compared with prior art, the present invention has changed the forming method of original production laminated glass baking bending mould, adopt the moulding of compacting tool set method, glass fits on die face completely, by die face control glass profile, can control accurately glass profile, throughput is not subject to glass shape and size impact, makes glass profile fairing transition, promotes the profile of glass, the performance such as the goodness of fit and optics, improves yield rate.The present invention simultaneously only need be to the heating of glass flowing water in production cycle, and mould remains steady temperature, without together lowering the temperature with glass annealing, avoids mould Repeat-heating, reduces mold hot loss.Glass compression moulding process is short, and the slow sagging moulding process of glass of different dead load formings is in the past long, enhances productivity, and reduces energy consumption.The present invention simultaneously only uses a set of press-moulding die to carry out batch straight-lined manufacturing to glass for same glassy product, contrast the curved dead load forming of existing baking and need to make many cover equal dies, get rid of mould individual difference, the consistence of product and product stability more can ensure to produce in batches time, effectively improve production capacity, and be convenient to mould change and reprocess, reduce mould and change the wasting of resources of reprocessing.Most critical be that the present invention passes through in the compression moulding of stove external application mould, solved the supporting glass of a lot of outlets and be difficult to meet the difficult problem of client's (as high-end customers such as Audi, benz, BMWs) to the highly difficult requirement of profile.
Brief description of the drawings
Fig. 1 is the schematic perspective view that the present invention suppresses punch;
Fig. 2 is the schematic rear view that the present invention suppresses punch;
Fig. 3 is the partial enlarged drawing that the present invention suppresses punch;
Fig. 4 is the schematic perspective view that the present invention suppresses die;
Fig. 5 is the schematic rear view that the present invention suppresses die;
Fig. 6 is the partial enlarged drawing that the present invention suppresses die;
Fig. 7 is another partial enlarged drawing that the present invention suppresses die;
Fig. 8 be the present invention anneal ring schematic perspective view;
Fig. 9 be the present invention anneal ring schematic rear view;
Figure 10 be the present invention anneal ring a partial enlarged drawing;
Figure 11 be the present invention anneal ring another partial enlarged drawing;
Figure 12 is the anneal schematic perspective view of punch of the present invention;
Figure 13 is the anneal schematic rear view of punch of the present invention.
In figure, 1: compacting punch, 2: mould cloth frame, 3: punch surface, 4: vacuum pore, 5: punch centre hole, 6: mould cloth frame permanent seat, 7: punch equipment is installed location notch hole, 8: punch equipment is installed pressing plate groove, 9: punch suspension ring erection bolt hole, 10: punch equipment fitting surface sealing-ring, 11: die frame, 12: die profile, 13: die base, 14: die adjusting bolt mechanism, 15: die profile heater strip groove, 16: die heater strip, 17: die equipment is installed location notch hole, 18: die equipment mounting-fixing base, 19: die equipment is installed horizontal adjusting mechanism, 20: die centre hole, 21: annealing ring stand, 22: annealing ring base, 23: anneal ring-like, 24: annealing ring heater strip securing bolt, 25: annealing ring heater strip, 26: annealing ring adjustment tank, 27: annealing ring apparatus is installed location notch hole, 28: annealing ring apparatus is installed feet, 29: annealing ring adjusting bolt mechanism, 30: annealing ring breather hole, 31: annealing ring heater strip clip, 32: annealing punch frame, 33: annealing punch equipment is installed location notch hole, 34: annealing punch surface sealing rubber ring, 35: annealing punch surface, 36: annealing punch surface base, 37: annealing punch surface is adjusted bolt mechanism.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
As shown in Fig. 1-Figure 13, a kind of automobile sandwich-glass press-moulding die, this mould comprises pressing assembly and annealing assembly, described pressing assembly is located at press section, described annealing assembly is located at annealing section, described pressing assembly is made up of the compacting punch (1) being oppositely arranged and compacting die, and described annealing assembly is made up of anneal ring and annealing punch.
Compacting punch 1 is provided with punch surface 3, mould cloth frame permanent seat 6, punch equipment is installed by location notch hole 7 and punch equipment is installed pressing plate groove 8, punch surface 3 and glass contact, compacting punch 1 is connected with mould cloth frame by mould cloth frame permanent seat 6, and is arranged on punch equipment by punch equipment installation location notch hole 7 and punch equipment installation pressing plate groove 8.Punch surface 3 is provided with punch centre hole 5 and for passing through the vacuum pore 4 of gas, punch centre hole 5 is located at the mid-way of punch surface 3; Compacting is also provided with punch suspension ring erection bolt hole 9 for suspension ring are installed on punch 1 and for making to suppress the punch equipment fitting surface sealing-ring 10 of punch 1 and punch equipment close contact.
Compacting die comprises die profile 12, die base 13 and die frame 11, and die profile 12 is located on die base 13, and die base 13 is located on die frame 11.The die equipment that die frame 11 is provided with for compacting die is fixed on die equipment is installed location notch hole 17, die equipment installation horizontal adjusting mechanism 19 and die equipment mounting-fixing base 18; Die base 13 is provided with the die adjusting bolt mechanism 14 for adjusting die profile 12 positions; Die profile 12 is provided with die profile heater strip groove 15 and the die centre hole 20 corresponding with punch centre hole 5 for placing die heater strip 16.
Annealing ring comprises ring-like 23 of annealing, annealing ring base 22 and annealing ring stand 21, anneals and is located at for ring-like 23 on annealing ring base 22, and annealing ring base 22 is located on annealing ring stand 21.Annealing ring stand 21 is provided with the annealing ring adjustment tank 26 for adjusting annealing ring and annealing is encircled the annealing ring apparatus being installed on annealing ring apparatus location notch hole 27 and annealing ring apparatus installation feet 28 are installed; Anneal and being provided with annealing ring breather hole 30 for ring-like 23, for the annealing ring heater strip securing bolt 24 of fixing annealing ring heater strip 25 and annealing ring heater strip clip 31 and for adjusting the annealing ring adjusting bolt mechanism 29 of ring-like 23 positions of annealing.
Annealing punch comprises annealing punch surface 35, annealing punch surface base 36 and annealing punch frame 32, and annealing punch surface 35 is located on annealing punch surface base 36, and annealing punch surface base 36 is located on annealing punch frame 32.Annealing punch surface 35 is provided with annealing punch surface sealing rubber ring 34 and adjusts bolt mechanism 37 for the annealing punch surface of adjusting annealing punch surface; Annealing punch frame 32 is provided with the punch location and installation that makes to anneal and is fixed on the annealing punch equipment installation location notch hole 33 on annealing punch equipment.
The principle of design of above-mentioned automobile sandwich-glass press-moulding die is: first according to the raw data that will produce glass, design punch surface 3, the die profile 12 of press-moulding die, anneal ring-like 23 and annealing punch surface 35 according to technical requirement on design, design a whole set of mould of mould structure processing and fabricating according to equipment used afterwards.
After mould manufacture completes, be installed on mould cloth frame producing metal pattern cloth used, and mould cloth frame is fixed on compacting punch 1 by mould cloth frame permanent seat 6, make mould cloth be adjacent to parcel punch surface 3.Make to suppress punch location and installation by punch equipment installation location notch hole 7 with punch equipment installation pressing plate groove 8 and be fixed on punch equipment, punch equipment fitting surface sealing-ring 10 makes to suppress punch and punch equipment close contact.By die heater strip 16 as in die profile heater strip groove 15, by die equipment, location notch hole 17 is installed and is made to suppress die location and installation on die equipment, adjust again compacting die position die centre hole 20 is alignd with punch centre hole 5, die center is overlapped completely with punch center.Making to suppress die by die equipment installation horizontal adjusting mechanism 19 and die equipment mounting-fixing base 18 is fixed on die equipment, use annealing ring heater strip clip 31 encircle heater strip securing bolt 24 by annealing and annealing ring heater strip 25 fix and is closely attached in ring-like 23 of annealing, location notch hole 27 is installed and the ring apparatus installation feet 28 of the annealing loop mapping that makes to anneal is mounted on and anneals on ring apparatus by annealing ring apparatus.Adjust bolt mechanism 37 punch surface that makes to anneal and mate with glass print by the adjusting punch surface of annealing, be fixed on and anneal on punch equipment by annealing punch frame 32 and the annealing punch equipment installation location notch hole 33 punch location and installation that makes to anneal.
After installation, start to carry out die debugging, die heater strip 16 is connected to energising with the heater strip socket on die equipment and adds hot pressing die, when compacting die reaches after requirement temperature, by regulating die adjusting bolt mechanism 14 that hot die profile 12 is mated with punch surface 3.Annealing ring heater strip 25 is connected to energising heating anneal ring with the heater strip socket on annealing ring apparatus, reaches after requirement temperature when annealing encircles, anneal and encircle adjusting bolt mechanism 19 ring-like 23 of hot annealing is mated with punch surface 3 by adjusting.After completing installation and debugging, start to carry out products production, the glass that is heated to mold temperature when the sensor sensing on punch equipment is delivered on premolding roller-way, 1 decline while of compacting punch die frame 11 rising die profiles 12 hold up glass and make it to leave roller-way and make its edge part laminating punch surface 3, the now vacuum unit work on punch equipment, air sucks compacting punch inside by the vacuum pore 4 distributing on punch surface 3, make glass fit in punch surface 3 completely, complete moulding action.Suppress afterwards punch 1 and adsorb glass rising to safe altitude, annealing ring apparatus annealing shuttle carries annealing ring stand 21 and moves to compacting punch 1 below, compacting punch 1 declines and makes glass press close to anneal ring-like 23, changing vacuum direction steadily blows off glass and anneals on ring-like 23, the shuttle of annealing afterwards lift-launch annealing ring stand 21 and glass move to annealing punch surface 35 belows of annealing section, the decline punch surface 35 that makes to anneal of the annealing punch frame 32 that is arranged on annealing section is pressed close to glass, the vacuum unit work of now annealing on punch equipment, annealing punch blow out air, annealing ring bottom annealing fan is also worked simultaneously, make glass cools annealing by the air of rapid flow, complete annealing work, vacuum unit reversion forms negative pressure, making glass leave ring-like 23 of annealing is adsorbed on annealing punch surface 35.Now next sheet glass completes shaping work, and annealing shuttle lift-launch annealing ring stand 21 leaves annealing section and moves to press section.Lower sheet devices rises, and the vacuum unit on annealing punch equipment cuts out, and glass departs from annealing punch surface 35 and drops on lower sheet devices, and lower sheet devices declines, and glass falls within on finished product transport roller way and leaves annealing section, completes a glass production circulation.
Claims (7)
1. an automobile sandwich-glass press-moulding die, it is characterized in that, this mould comprises pressing assembly and annealing assembly, described pressing assembly is located at press section, described annealing assembly is located at annealing section, described pressing assembly is made up of the compacting punch (1) being oppositely arranged and compacting die, and described annealing assembly is made up of anneal ring and annealing punch; Pressing assembly, by the compression moulding outside stove of hot glass, is then transferred to annealing assembly by the glass of moulding, and annealing assembly, to glass blowing annealing, is produced laminated glass;
Described annealing ring comprises annealing ring-like (23), annealing ring base (22) and annealing ring stand (21), described annealing ring-like (23) is located at annealing ring base (22) above, and described annealing ring base (22) is located on annealing ring stand (21);
Described annealing ring stand (21) is provided with the annealing ring adjustment tank (26) for adjusting annealing ring, the ring that makes to anneal is installed on the annealing ring apparatus of annealing on ring apparatus location notch hole (27) and annealing ring apparatus installation feet (28) are installed; Described annealing ring-like (23) is provided with annealing ring breather hole (30), for the annealing ring heater strip securing bolt (24) of fixing annealing ring heater strip (25) and annealing ring heater strip clip (31) and for adjusting the annealing ring adjusting bolt mechanism (29) of ring-like (23) position of annealing.
2. a kind of automobile sandwich-glass press-moulding die according to claim 1, it is characterized in that, described compacting punch (1) is provided with punch surface (3), mould cloth frame permanent seat (6), punch equipment is installed by location notch hole (7) and punch equipment is installed pressing plate groove (8), described punch surface (3) and glass contact, described compacting punch (1) is connected with mould cloth frame by mould cloth frame permanent seat (6), and by punch equipment installation location notch hole (7) and punch equipment, pressing plate groove (8) being installed is arranged on punch equipment.
3. a kind of automobile sandwich-glass press-moulding die according to claim 2, it is characterized in that, described punch surface (3) is provided with punch centre hole (5) and for passing through the vacuum pore (4) of gas, described punch centre hole (5) is located at the mid-way of punch surface (3); On described compacting punch (1), be also provided with punch suspension ring erection bolt hole (9) for suspension ring are installed and for making to suppress the punch equipment fitting surface sealing-ring (10) of punch (1) and punch equipment close contact.
4. a kind of automobile sandwich-glass press-moulding die according to claim 1, it is characterized in that, described compacting die comprises die profile (12), die base (13) and die frame (11), it is upper that described die profile (12) is located at die base (13), and described die base (13) is located on die frame (11).
5. a kind of automobile sandwich-glass press-moulding die according to claim 4, it is characterized in that, the die equipment that described die frame (11) is provided with for compacting die being fixed on die equipment is installed location notch hole (17), die equipment installation horizontal adjusting mechanism (19) and die equipment mounting-fixing base (18); Described die base (13) is provided with the die adjusting bolt mechanism (14) for adjusting die profile (12) position; Described die profile (12) is provided with die profile heater strip groove (15) for placing die heater strip (16) and the die centre hole (20) corresponding with punch centre hole (5).
6. a kind of automobile sandwich-glass press-moulding die according to claim 1, it is characterized in that, described annealing punch comprises annealing punch surface (35), annealing punch surface base (36) and annealing punch frame (32), it is upper that described annealing punch surface (35) is located at annealing punch surface base (36), and described annealing punch surface base (36) is located on annealing punch frame (32).
7. a kind of automobile sandwich-glass press-moulding die according to claim 6, it is characterized in that, described annealing punch surface (35) is provided with annealing punch surface sealing rubber ring (34) and adjusts bolt mechanism (37) for the annealing punch surface of adjusting annealing punch surface; Described annealing punch frame (32) is provided with the punch location and installation that makes to anneal and is fixed on the annealing punch equipment installation location notch hole (33) on annealing punch equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210269121.7A CN102795760B (en) | 2012-07-30 | 2012-07-30 | Novel automobile sandwich glass compression moulding die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210269121.7A CN102795760B (en) | 2012-07-30 | 2012-07-30 | Novel automobile sandwich glass compression moulding die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102795760A CN102795760A (en) | 2012-11-28 |
| CN102795760B true CN102795760B (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210269121.7A Expired - Fee Related CN102795760B (en) | 2012-07-30 | 2012-07-30 | Novel automobile sandwich glass compression moulding die |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104193153A (en) * | 2014-08-15 | 2014-12-10 | 福耀集团（上海）汽车玻璃有限公司 | External furnace moulding die for tempered glass of automobile |
| RU2720334C1 (en) * | 2017-02-20 | 2020-04-29 | Сэн-Гобэн Гласс Франс | Quenching frame for thermal quenching of glass panels |
| TWI640485B (en) * | 2017-05-26 | 2018-11-11 | 盟立自動化股份有限公司 | Glass molding apparatus |
| CN110316944B (en) * | 2019-07-10 | 2020-12-04 | 福耀玻璃工业集团股份有限公司 | Ceramic mould for glass plate bending |
| CN114620927B (en) * | 2022-03-15 | 2023-09-08 | 福耀集团（上海）汽车玻璃有限公司 | Annealing device for reducing tensile stress of glass edge |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201232047Y (en) * | 2008-03-27 | 2009-05-06 | 洛玻集团洛阳加工玻璃有限公司 | Formation mould for automobile fiberglass heating furnace |
| CN101720308A (en) * | 2007-06-27 | 2010-06-02 | 皮尔金顿北美公司 | Glass bending process |
-
2012
- 2012-07-30 CN CN201210269121.7A patent/CN102795760B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101720308A (en) * | 2007-06-27 | 2010-06-02 | 皮尔金顿北美公司 | Glass bending process |
| CN201232047Y (en) * | 2008-03-27 | 2009-05-06 | 洛玻集团洛阳加工玻璃有限公司 | Formation mould for automobile fiberglass heating furnace |
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| CN102795760A (en) | 2012-11-28 |
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Granted publication date: 20141105 Termination date: 20200730 |