CN107613714B - Clamped heat dissipation display screen rubber frame and clamping manufacturing method thereof - Google Patents

Clamped heat dissipation display screen rubber frame and clamping manufacturing method thereof Download PDF

Info

Publication number
CN107613714B
CN107613714B CN201710865113.1A CN201710865113A CN107613714B CN 107613714 B CN107613714 B CN 107613714B CN 201710865113 A CN201710865113 A CN 201710865113A CN 107613714 B CN107613714 B CN 107613714B
Authority
CN
China
Prior art keywords
rubber frame
frame
heat dissipation
rubber
display screen
Prior art date
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.)
Active
Application number
CN201710865113.1A
Other languages
Chinese (zh)
Other versions
CN107613714A (en
Inventor
闵新华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei Tongtai Optoelectronics Technology Co ltd
Original Assignee
Hefei Tongtai Optoelectronics Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hefei Tongtai Optoelectronics Technology Co ltd filed Critical Hefei Tongtai Optoelectronics Technology Co ltd
Priority to CN201710865113.1A priority Critical patent/CN107613714B/en
Publication of CN107613714A publication Critical patent/CN107613714A/en
Application granted granted Critical
Publication of CN107613714B publication Critical patent/CN107613714B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The invention aims to provide a clamping type heat dissipation display screen rubber frame and a clamping type manufacturing method thereof, wherein the clamping type heat dissipation display screen rubber frame comprises a rubber frame, the rubber frame comprises a rear rubber frame and rubber frame edges, the rubber frame edges are respectively installed at the peripheral edges of the rear rubber frame, a clamping type heat dissipation device is arranged between the rear rubber frame and the rubber frame edges, the clamping type heat dissipation device comprises a clamping plate, a clamping plate and a connecting groove, the connecting groove is uniformly distributed on the contact edge of the rubber frame edges and the rear rubber frame, a connecting screen plate is arranged in the connecting groove, one side of the connecting screen plate is connected with the rear rubber frame through a rotating shaft, the other side of the connecting screen plate is connected with the side wall of the connecting groove through a connecting clamping block, and a camera protection device for protecting a camera is arranged in a camera hole in the rear rubber frame. Can enough improve antistatic effect, can increase the heat dissipation, avoid circuit components to cause the damage, can effectually prevent display screen light leak phenomenon, improve the service quality of display screen.

Description

Clamped heat dissipation display screen rubber frame and clamping manufacturing method thereof
Technical Field
The invention relates to the field of equipment in the aspect of display screens, which comprises processing of the display screens and research, development and improvement in the aspect of rubber frame structures, in particular to a clamping type heat dissipation display screen rubber frame and a clamping type manufacturing method thereof.
Background
Along with the improvement of living standard, the quality and the use are more and more emphasized in the use of electronic product, especially in the protection aspect of display screen, because the display screen is with gluing the installation use aspect of frame, traditional display screen glues the frame and uses the individual layer protection rubber cover to protect fixedly, use original display screen to glue the frame because glue the frame comparatively simple and seal, can not carry out abundant heat dissipation when using, and can produce electrostatic phenomenon under the dry condition, lead to the inside partial circuit component of display screen to cause the damage, with the life of shortening the display screen, adopt the card formula of breaking off with the fingers and thumb to install usually when the installation simultaneously, cause the damage to the border of display screen on the different degree, with the normal use who influences the display screen.
Therefore, a clamping type heat dissipation display screen rubber frame and a clamping type manufacturing method thereof are provided, so that the structure and the manufacturing method of the rubber frame can be improved, an anti-static layer is added in the rubber frame, meanwhile, the rubber frame is subjected to clamping type embedding splicing manufacturing by adopting double-layer clamping type connection, the anti-static effect can be improved, heat dissipation can be increased, circuit components are prevented from being damaged, meanwhile, a display screen light leakage prevention groove is formed, the display screen light leakage phenomenon can be effectively prevented, the use quality of the display screen is improved, and the problem that needs to be solved urgently by technical personnel in the field is solved.
Disclosure of Invention
The invention aims to provide a clamping type heat dissipation display screen rubber frame and a clamping type manufacturing method thereof, so that the structure and the manufacturing method of the rubber frame can be improved, an anti-static layer is added in the rubber frame, and the rubber frame is subjected to clamping type embedding splicing manufacturing by adopting double-layer clamping type connection, so that the anti-static effect can be improved, the heat dissipation can be increased, the damage of circuit components can be avoided, meanwhile, the light leakage phenomenon of the display screen can be effectively prevented through a light leakage prevention groove of the display screen, and the use quality of the display screen is improved.
In order to solve the technical problems in the background technology, the invention adopts the following technical scheme:
the utility model provides a clamp formula heat dissipation display screen rubber frame, is including gluing the frame, gluey frame include that the back glues frame and gluey frame limit, gluey frame limit install respectively at the border department all around of gluing the frame after, back glue frame and glue and be equipped with the formula heat abstractor that clamps between the frame limit, the formula heat abstractor that clamps include cardboard, buckle and spread groove, the even distribution of spread groove is glued the frame limit with the back contact edge of frame, is equipped with the connection otter board in the spread groove, connect otter board one side and glue the frame through the pivot after being connected, connect the otter board opposite side and be connected with the spread groove lateral wall through connecting the fixture block, the camera hole on the frame of gluing of back in be equipped with the camera protection device of protection camera.
Preferably, camera protection device include shielding plate and sliding tray, the sliding tray sets up the lateral wall in the camera hole, shielding plate one end is passed the adjustment tank on the camera hole lateral wall and is connected with the sliding block in the sliding tray, be equipped with the axis of rotation between shielding plate and the sliding block, be equipped with the promotion handle on the sliding block, can seal the protection and prevent that the dust from getting into to and the external force scratch to the display screen camera when the display screen camera does not use through camera protection device, cause the camera lens to scrape the flower, the influence quality of shooing.
Preferably, the shielding plates are uniformly distributed in the camera hole in multiple groups, and two sides of the other end of each shielding plate are in contact connection step by step.
Preferably, the inner wall on gluey frame limit on even be equipped with the antistatic backing, and the antistatic backing be yielding soft rubber antistatic backing, can effectually absorb the static that the display screen studio produced through the antistatic backing, prevent that the static from producing and causing the damage to the circuit components and parts in the display screen, prolong the life of display screen.
Preferably, the four corners of the plastic frame edge are provided with display screen light leakage preventing grooves, the light leakage preventing grooves are rectangular light leakage preventing grooves with inner side openings, the light leakage preventing grooves are embedded in the inner walls of the four corners of the plastic frame edge, the light leakage phenomenon of the display screen can be effectively prevented, and the service quality of the display screen is improved
Preferably, the rear rubber frame is provided with two parallel radiating grooves, a radiating dustproof net is arranged in each radiating groove, the radiating dustproof net is a rubber soft net with inclined net holes, and the radiating effect of the rubber frame can be effectively improved when the display screen works.
Preferably, the last border of the inside wall on gluey frame limit on evenly be equipped with the soft limit of protection of display screen protection, and the soft limit of protection all is equipped with slope opening limit in every edge, scribbles even magnetism actuation coating on the slope opening limit, can easily lift the soft limit of protection, make things convenient for the display screen to put into gluey frame, reduce the border friction when gluey frame is put into, surface display screen surface receives the damage.
The clamping type manufacturing method of the clamping type heat dissipation display screen rubber frame is characterized by comprising the following steps:
(1) Firstly, uniformly placing a plurality of carbon fiber wires on the frame glue antistatic layer, then bonding and connecting the carbon fiber wires with the inner side wall of the frame glue side after stable bonding, and simultaneously applying force under light pressure to enable the contact part of the antistatic layer and the connecting groove to be embedded into the connecting groove;
(2) When the rear glue frame and the glue frame edge are bonded, the surfaces of the clamping plates and the buckling plates on the corresponding edges of the rear glue frame and the glue frame edge are coated with uniform glue, then the glue is tightly attached and pressed, and meanwhile, the connecting clamping blocks on the connecting screen plate are meshed and connected with the glue frame edge by the rotary connecting screen plate.
Preferably, soft rubber strips are uniformly wound on the connecting screen plate, when the rubber strips are wound on the connecting screen plate, a part of the rubber strips is overlapped, and the overlapped part of the rubber strips accounts for 10-15% of the total width of the rubber strips.
The invention has the beneficial effects that:
1) Adopt double-deck card formula connection to carry out gluey frame card formula embedding concatenation preparation, can enough improve and prevent the static effect, will increase the heat dissipation, avoid circuit components and parts to cause the damage.
2) Simultaneously through display screen leak protection light groove, can effectually prevent display screen light leak phenomenon, improve the service quality of display screen.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a front view of a rubber frame of a card-type heat dissipation display screen and a card-type manufacturing method thereof according to an embodiment of the present invention;
FIG. 2 is a side view of a rubber frame for a card-mounted heat dissipation display screen and a method for manufacturing the same according to an embodiment of the present invention;
fig. 3 is a cross-sectional view of a rubber frame of a card-mounted heat dissipation display screen and a card-mounted manufacturing method thereof according to embodiments of the invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
Referring to fig. 1, 2 and 3, a clamping type heat dissipation display screen rubber frame includes a rubber frame 1, the rubber frame 1 includes a rear rubber frame 3 and a rubber frame edge 2, the rubber frame edge 2 is respectively installed at the peripheral edge of the rear rubber frame 3, a clamping type heat dissipation device is arranged between the rear rubber frame 3 and the rubber frame edge 2, the clamping type heat dissipation device includes a clamping plate 20, a clamping plate 21 and a connecting groove 15, the connecting groove 15 is uniformly distributed at the contact edge of the rubber frame edge 2 and the rear rubber frame 3, a connecting screen plate 16 is arranged in the connecting groove 15, one side of the connecting screen plate 16 is connected with the rear rubber frame 3 through a rotating shaft 19, the other side of the connecting screen plate 16 is connected with the side wall of the connecting groove 15 through a connecting clamping block 18, and a camera protection device for protecting a camera is arranged in a camera 14 on the rear rubber frame 3.
Further, camera protection device including rotatory shielding plate 13 and sliding tray 11, sliding tray 11 sets up the lateral wall at camera hole 14, adjusting groove 12 that shielding plate 13 one end passed on the lateral wall of camera hole 14 is connected with sliding block 9 in the sliding tray 11, be equipped with axis of rotation 10 between shielding plate 13 and the sliding block 9, be equipped with on the sliding block 9 and promote handle 8, can seal the protection and prevent that the dust from getting into to the display screen camera when the display screen camera does not use through camera protection device, and the external force scratch, cause the camera lens to scrape the flower, the influence quality of shooing.
Furthermore, the shielding plates 13 are uniformly distributed in the camera hole 14, and two sides of the other end of the shielding plate 13 are in contact connection step by step.
Further, the inner wall of gluey frame limit 2 on even be equipped with antistatic backing 22, and antistatic backing 22 is yielding soft rubber antistatic backing 22, can effectually absorb the static that the display screen studio produced through antistatic backing 22, prevent that the static from producing the circuit components and parts in the display screen and causing the damage, prolong the life of display screen.
Further, the four corners department of gluing frame limit 2 all be equipped with display screen leak protection light groove 6, leak protection light groove 6 establish to inboard open-ended rectangle leak protection light groove 6, leak protection light groove 6 imbeds on the inner wall of gluing 2 four corners departments on frame limit, can effectually prevent display screen light leak phenomenon, improve the service quality of display screen
Furthermore, the rear rubber frame 3 is provided with two parallel radiating grooves 5, the radiating grooves 5 are internally provided with a radiating dustproof net 23, and the radiating dustproof net 23 is a rubber soft net with inclined net holes, so that the radiating effect of the rubber frame 1 during the working of the display screen can be effectively improved.
Further, the last border of the inside wall of gluey frame limit 2 on evenly be equipped with the soft limit 4 of protection of display screen protection, and the soft limit 4 of protection all is equipped with slope opening limit 7 in every edge, scribbles even magnetism actuation coating on slope opening limit 7, can easily will protect soft limit 4 and play, make things convenient for the display screen to put into gluey frame 1 in, reduce the border friction when gluey frame 1 puts into, surface display screen surface receives the damage.
Specific example 1:
the clamping type manufacturing method of the clamping type heat dissipation display screen rubber frame is characterized by comprising the following steps:
(1) Firstly, uniformly placing a plurality of carbon fiber wires on the antistatic layer 22 coated with the frame glue, then bonding and connecting the carbon fiber wires with the inner side wall of the frame glue edge 2 after stable bonding, and simultaneously applying force under light pressure to enable the contact part of the antistatic layer 22 and the connecting groove 15 to be embedded into the connecting groove 15;
(2) When the rear glue frame 3 and the glue frame 2 are bonded, firstly, the surfaces of the clamping plate 20 and the buckling plate 21 on the corresponding edges of the rear glue frame 3 and the glue frame 2 are coated with uniform glue, then the surfaces are tightly attached and pressed, and meanwhile, the connecting screen plate 16 is rotated to enable the connecting clamping blocks 18 on the connecting screen plate 16 to be meshed and connected with the glue frame 2.
Further, soft rubber strips are uniformly wound on the connecting screen plate 16, when the rubber strips are wound on the connecting screen plate, a part of the rubber strips is overlapped, and the overlapped part of the rubber strips accounts for 11 percent of the total width of the rubber strips.
Specific example 2:
the clamping type manufacturing method of the clamping type heat dissipation display screen rubber frame is characterized by comprising the following steps:
(1) Firstly, uniformly placing a plurality of carbon fiber yarns on the antistatic layer 22 coated with the frame glue, then bonding and connecting the carbon fiber yarns with the inner side wall of the frame glue edge 2 after stable bonding, and simultaneously applying force under light pressure to embed the contact part of the antistatic layer 22 and the connecting groove 15 into the connecting groove 15;
(2) When the rear plastic frame 3 and the plastic frame edge 2 are bonded, firstly, the surfaces of the clamping plate 20 and the buckling plate 21 on the corresponding edges of the rear plastic frame 3 and the plastic frame edge 2 are coated with uniform plastic frame glue, then the surfaces are tightly attached and pressed, and meanwhile, the connecting screen plate 16 is rotatably connected to enable the connecting clamping block 18 on the connecting screen plate 16 to be meshed and connected with the plastic frame edge 2.
Further, soft rubber strips are uniformly wound on the connecting screen plate 16, when the rubber strips are wound on the connecting screen plate, a part of the rubber strips is overlapped, and the overlapped part of the rubber strips accounts for 14 percent of the total width of the rubber strips.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims (2)

1. A clamping type manufacturing method of a clamping type heat dissipation display screen rubber frame is characterized in that the clamping type heat dissipation display screen rubber frame comprises a rubber frame, the rubber frame comprises a rear rubber frame and rubber frame edges, the rubber frame edges are respectively installed at the peripheral edge of the rear rubber frame, a clamping type heat dissipation device is arranged between the rear rubber frame and the rubber frame edges, the clamping type heat dissipation device comprises a clamping plate, a clamping plate and a connecting groove, the connecting groove is uniformly distributed on the contact edge of the rubber frame edges and the rear rubber frame, a connecting screen plate is arranged in the connecting groove, one side of the connecting screen plate is connected with the rear rubber frame through a rotating shaft, the other side of the connecting screen plate is connected with the side wall of the connecting groove through a connecting clamping block, a camera protection device for protecting a camera is arranged in a camera hole in the rear rubber frame, the camera protection device comprises a shielding plate and a sliding groove, the sliding groove is arranged on the outer side wall of the camera hole, one end of a shielding plate penetrates through an adjusting groove on the side wall of a camera hole to be connected with a sliding block in the sliding groove, a rotating shaft is arranged between the shielding plate and the sliding block, a pushing handle is arranged on the sliding block, the shielding plate is arranged into a plurality of groups which are uniformly distributed in the camera hole, two sides of the other end of the shielding plate are in contact connection step by step, an antistatic layer is uniformly arranged on the inner wall of a rubber frame edge, the antistatic layer is an easily deformed soft rubber antistatic layer, display screen anti-light leakage grooves are arranged at four corners of the rubber frame edge, the anti-light leakage grooves are rectangular anti-light leakage grooves with inner side openings, the anti-light leakage grooves are embedded in the inner wall of the four corners of the rubber frame edge, two heat dissipation grooves which are parallel to each other are arranged on the rear rubber frame, a heat dissipation dustproof net is arranged in the heat dissipation grooves, the heat dissipation dustproof net is arranged into an inclined net hole type soft rubber net, and protective soft edges for protecting the display screens are uniformly arranged on the upper edge of the inner side wall of the rubber frame edge, and the soft limit of protection all is equipped with slope opening limit in every edge department, scribbles even magnetism actuation picture layer on the slope opening limit, and its card formula manufacturing method is:
(1) Firstly, uniformly placing a plurality of carbon fiber wires on an antistatic layer coated with frame glue, then bonding and connecting the carbon fiber wires with the inner side wall of a frame side after stable bonding, and simultaneously applying force under light pressure to enable the contact part of the antistatic layer and a connecting groove to be embedded into the connecting groove;
(2) When the rear glue frame and the glue frame edge are bonded, firstly, the surfaces of the clamping plate and the buckling plate on the corresponding edges of the rear glue frame and the glue frame edge are coated with uniform glue, then the glue frame and the buckling plate are tightly attached and pressed, and meanwhile, the connecting screen plate is rotationally connected to enable the connecting clamping blocks on the connecting screen plate to be meshed and connected with the glue frame edge.
2. The method for manufacturing a rubber frame of a card-type heat dissipation display screen according to claim 1, wherein soft rubber strips are uniformly wound on the connecting screen plate, when the rubber strips are wound on the connecting screen plate, a part of the rubber strips is overlapped, and the overlapped part of the rubber strips accounts for 10-15% of the total width of the rubber strips.
CN201710865113.1A 2017-09-22 2017-09-22 Clamped heat dissipation display screen rubber frame and clamping manufacturing method thereof Active CN107613714B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710865113.1A CN107613714B (en) 2017-09-22 2017-09-22 Clamped heat dissipation display screen rubber frame and clamping manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710865113.1A CN107613714B (en) 2017-09-22 2017-09-22 Clamped heat dissipation display screen rubber frame and clamping manufacturing method thereof

Publications (2)

Publication Number Publication Date
CN107613714A CN107613714A (en) 2018-01-19
CN107613714B true CN107613714B (en) 2023-04-11

Family

ID=61061913

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710865113.1A Active CN107613714B (en) 2017-09-22 2017-09-22 Clamped heat dissipation display screen rubber frame and clamping manufacturing method thereof

Country Status (1)

Country Link
CN (1) CN107613714B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102656239B1 (en) * 2018-11-27 2024-04-09 엘지디스플레이 주식회사 Display Unit
CN115019644B (en) * 2022-05-22 2024-02-06 合肥通泰光电科技有限公司 Combined display screen rubber frame

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2622734Y (en) * 2003-04-16 2004-06-30 广辉电子股份有限公司 Back light module
CN201097039Y (en) * 2007-09-28 2008-08-06 群康科技(深圳)有限公司 Liquid crystal display device
CN201315364Y (en) * 2008-11-25 2009-09-23 英华达(上海)科技有限公司 Protective fittings arranged in slot
CN201322255Y (en) * 2008-11-14 2009-10-07 中华映管股份有限公司 Liquid crystal display device and backlight module
CN202522809U (en) * 2012-04-12 2012-11-07 青岛海信电器股份有限公司 Liquid crystal module heat radiating structure
CN205829801U (en) * 2016-07-01 2016-12-21 杭州萤石网络有限公司 A kind of CCTV camera and camera lens radical occlusion device thereof
CN205899187U (en) * 2016-07-11 2017-01-18 合肥通泰光电科技有限公司 Display of static and angle bead can be prevented and frame is glued
CN207135411U (en) * 2017-09-22 2018-03-23 合肥通泰光电科技有限公司 A kind of car coat type radiating display screen rubber frame

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2622734Y (en) * 2003-04-16 2004-06-30 广辉电子股份有限公司 Back light module
CN201097039Y (en) * 2007-09-28 2008-08-06 群康科技(深圳)有限公司 Liquid crystal display device
CN201322255Y (en) * 2008-11-14 2009-10-07 中华映管股份有限公司 Liquid crystal display device and backlight module
CN201315364Y (en) * 2008-11-25 2009-09-23 英华达(上海)科技有限公司 Protective fittings arranged in slot
CN202522809U (en) * 2012-04-12 2012-11-07 青岛海信电器股份有限公司 Liquid crystal module heat radiating structure
CN205829801U (en) * 2016-07-01 2016-12-21 杭州萤石网络有限公司 A kind of CCTV camera and camera lens radical occlusion device thereof
CN205899187U (en) * 2016-07-11 2017-01-18 合肥通泰光电科技有限公司 Display of static and angle bead can be prevented and frame is glued
CN207135411U (en) * 2017-09-22 2018-03-23 合肥通泰光电科技有限公司 A kind of car coat type radiating display screen rubber frame

Also Published As

Publication number Publication date
CN107613714A (en) 2018-01-19

Similar Documents

Publication Publication Date Title
CN107613714B (en) Clamped heat dissipation display screen rubber frame and clamping manufacturing method thereof
US20150004345A1 (en) Adhesive Structure With Hybrid Adhesive Layer
US20150309215A1 (en) Polarizing Sheet, Substrate Structure And Display Panel
CN204389829U (en) The anlistatig novel liquid crystal display screen of a kind of high strength
CN106094355A (en) A kind of hermetically sealed touch liquid crystal one screen and manufacturing process thereof
CN111040658A (en) High-transmittance protective sleeve with surface offset design and material rolling structure
CN209974681U (en) Aluminum foil adhesive tape assembly
CN104832841A (en) Backlight unit and display device with backlight unit
CN101648622A (en) Method for dissipating charges on end face of cover tape
CN108931867B (en) Liquid crystal display module
WO2014121556A1 (en) Antistatic light guide plate and fabrication method therefor
CN217085312U (en) Conduction type display screen is ultraviolet curing type optical cement membrane for laminating entirely
CN207135411U (en) A kind of car coat type radiating display screen rubber frame
US8365390B2 (en) Method for affixing adhesive films and main board with adhesive films applied using the method
CN209478948U (en) A kind of embedded magnetic computer adhesive film
CN211946890U (en) High-transmittance protective sleeve with surface offset design and material rolling structure
TWI828799B (en) Surface-protective film and optical component attached with the same
CN209563129U (en) A kind of silicone oil release film being matched with electromagnetic shielding film
CN209771631U (en) Anti-static stainless steel filter screen
CN220283974U (en) Integrated attached and recyclable protective film for socket of notebook computer
CN207697210U (en) A kind of abrasionproof scratch resistance formula PU protective films
CN206251465U (en) A kind of protection tool of golden finger
CN212864645U (en) Black shading adhesive tape for liquid crystal display module
CN109705763B (en) Adhesive tape, display device and manufacturing method of display device
CN212708374U (en) Novel PVC board

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant