CN110421785B - Clean mould drawing of patterns processing apparatus of injection mold - Google Patents
Clean mould drawing of patterns processing apparatus of injection mold Download PDFInfo
- Publication number
- CN110421785B CN110421785B CN201910465212.XA CN201910465212A CN110421785B CN 110421785 B CN110421785 B CN 110421785B CN 201910465212 A CN201910465212 A CN 201910465212A CN 110421785 B CN110421785 B CN 110421785B
- Authority
- CN
- China
- Prior art keywords
- cleaning
- shell
- pipe
- sponge
- mold
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
- B29C33/58—Applying the releasing agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/1753—Cleaning or purging, e.g. of the injection unit
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a mold cleaning and demolding treatment device for an injection mold, which comprises a saddle, wherein universal wheels are arranged at four corners of the bottom of the saddle, a side frame is arranged on the saddle, a mold cleaning tool is arranged on the side frame, a demolding tool is arranged above the mold cleaning tool, a dipping tank is arranged on the saddle, a dipping cavity is arranged in the dipping tank, and the top of the dipping tank is of an opening structure; the mould cleaning tool comprises a shell, a handle is arranged at the outer side of the shell, a protective shell is arranged at the inner top of the shell, a rotating motor is arranged inside the protective shell, a rotating shaft is arranged on the lower portion of the rotating motor, a driving gear is sleeved on the outer peripheral surface of the rotating shaft, a driven pipe is arranged inside the shell, a driven gear is sleeved on the outer peripheral surface of the driven pipe and meshed with the driving gear, a limiting seat is arranged at the top end of the driven pipe, and a mould cleaning sponge body is arranged at the bottom end of the driven pipe. According to the invention, the air exhaust treatment is carried out on the die after the die cleaning treatment through the die cleaning sponge body, so that the die cleaning and demoulding treatment can be conveniently carried out on the die.
Description
Technical Field
The invention relates to a demoulding device, in particular to a mould cleaning and demoulding treatment device for an injection mould.
Background
An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification. The demolding treatment is to prevent the formed composite material product from adhering to the mold and to apply one kind of isolating film between the product and the mold for easy demolding of the product from the mold while maintaining the surface quality of the product and the intact mold. In order to prevent the formed composite material product from sticking on the mould, a kind of isolating film is applied between the product and the mould, so that the product can be easily released from the mould, and the surface quality of the product and the intact mould can be ensured. The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. A mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The existing mould is inconvenient to clean and low in demoulding treatment efficiency for the cavity of the mould.
Disclosure of Invention
The invention aims to solve the technical problem of providing the injection mold cleaning and demolding treatment device which can carry out rapid mold cleaning treatment on a mold through a mold cleaning sponge body, carry out air exhaust treatment on the mold after the mold cleaning treatment through the mold cleaning sponge body and conveniently carry out mold cleaning and demolding treatment on the mold.
The invention is realized by the following technical scheme:
the injection mold cleaning and demolding treatment device comprises a saddle, universal wheels are arranged at four corners of the bottom of the saddle, a side frame is arranged on the saddle, a mold cleaning tool is arranged on the side frame, a demolding tool is arranged above the mold cleaning tool, a dipping tank is arranged on the saddle, a dipping cavity is arranged inside the dipping tank, and the top of the dipping tank is of an open structure; the die cleaning tool comprises a shell, a handle is arranged at the outer side of the shell, a protective shell is arranged at the inner top of the shell, a rotating motor is arranged inside the protective shell, a rotating shaft is arranged at the lower part of the rotating motor, a driving gear is sleeved on the outer peripheral surface of the rotating shaft, a driven pipe is arranged inside the shell, a driven gear is sleeved on the outer peripheral surface of the driven pipe and is meshed with the driving gear, a limiting seat is arranged at the top end of the driven pipe, a die cleaning sponge body is arranged at the bottom end of the driven pipe, a first fixing ball is arranged inside the die cleaning sponge body, the first fixing ball is of a cavity structure, the surface of the first fixing ball is of a net-shaped structure, an air exhaust pipe is arranged at the axial position of the driven pipe, one end of the air exhaust pipe is communicated with the first fixing ball, an air exhaust pump is arranged at the other end of the air exhaust pipe, and the air exhaust pump is arranged at the top of the shell; the drawing of patterns instrument is equipped with the hand (hold) including the operation, the one end of operation handle, and the outer end of hand (hold) is equipped with the lock cap, and the other end of operation handle is equipped with the protecting crust, and the internally mounted of protecting crust has step motor, and step motor's lower part is equipped with the rotation axis, and the rotation axis is vertical arranging, and the lower extreme of rotation axis is equipped with the drawing of patterns cavernosum, and the drawing of patterns cavernosum is installed in the flooding intracavity.
Furthermore, a top seat is arranged at the top of the side frame, a top plate is arranged at the top of the top seat, a plurality of locking pipes are arranged on the top plate, and the handle penetrates through the axial positions of the locking pipes.
Furthermore, a bearing sleeve is sleeved at the axial position of the lock tube, and the bearing sleeve is sleeved on the peripheral surface of the handle.
Further, the die cleaning tool is connected with a cleaning mechanism, the cleaning mechanism comprises a cleaning liquid tank, the cleaning liquid tank is connected with a cleaning liquid flushing pipe, a liquid pumping pump is arranged at the lower end of the cleaning liquid flushing pipe, the liquid pumping pump is arranged at the inner bottom of the cleaning liquid tank, the upper end of the cleaning liquid flushing pipe is connected with an air pumping pipe, and a control switch is arranged on the cleaning liquid flushing pipe.
Furthermore, a traction wheel set is arranged at the side part of the shell, and the cleaning liquid flushing pipe bypasses the traction wheel set.
Furthermore, a second fixing ball is arranged between the lower end of the rotating shaft and the demoulding sponge body.
Further, the surface of the second fixing ball is of a net structure.
Furthermore, the surface of the handle is provided with anti-skid lines.
The invention has the beneficial effects that: an operator places a mold to be processed on a saddle, the mold is cleaned through a mold cleaning tool, and a demolding tool is used for demolding the mold; the mould cleaning sponge body is soaked in the mould cleaning agent, and an operator can soak the mould cleaning sponge body in the mould cleaning agent first to soak the mould cleaning sponge body; an operator performs die cleaning treatment on the die through the die cleaning tool, the rotating motor controls the driving gear to rotate through the rotating shaft, the driving gear rotates to drive the driven gear to rotate, the driven gear rotates to drive the driven pipe to rotate, the driven pipe rotates to drive the die cleaning sponge body to rotate, the die is rapidly cleaned through the die cleaning sponge body, and the upper end of the driven pipe is limited through the limiting seat; the air extracting pump is used for extracting air from the first fixing ball through the air extracting pipe, the first fixing ball is used for extracting air from the die cleaning sponge, and the die after die cleaning is extracted through the die cleaning sponge, so that dust is conveniently removed; the stepping motor controls the demoulding sponge body to rotate through the rotating shaft, demoulding treatment is carried out on the mould through the demoulding sponge body, an operator operates the operating handle through the handle, and the demoulding tool is conveniently taken up through the operating handle and the handle; the die cleaning and demoulding treatment is convenient to carry out on the die.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
FIG. 1 is a schematic structural diagram of a mold cleaning and demolding device for an injection mold according to the present invention.
FIG. 2 is a schematic structural diagram of a mold cleaning tool according to the present invention.
Fig. 3 is a schematic structural view of the demolding tool according to the present invention.
Fig. 4 is a schematic structural diagram of the cleaning mechanism of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention will be more clearly and clearly defined.
As shown in fig. 1 to 4, the injection mold cleaning and demolding treatment device comprises a seat 1, universal wheels 2 are arranged at four corners of the bottom of the seat 1, a side frame 5 is arranged on the seat 1, a mold cleaning tool 3 is arranged on the side frame 5, a demolding tool 4 is arranged above the mold cleaning tool 3, a dipping tank 9 is arranged on the seat 1, a dipping cavity 10 is arranged inside the dipping tank 9, and the top of the dipping tank 9 is of an open structure; the mold cleaning tool 3 comprises a shell 14, a handle 15 is arranged at the outer side of the shell 14, a protective shell 16 is arranged at the inner top of the shell 14, a rotating motor 17 is arranged inside the protective shell 16, a rotating shaft 18 is arranged at the lower part of the rotating motor 17, a driving gear 19 is sleeved on the outer peripheral surface of the rotating shaft 18, a driven pipe 20 is arranged inside the shell 14, a driven gear 21 is sleeved on the outer peripheral surface of the driven pipe 20, the driven gear 21 is meshed with the driving gear 19, a limiting seat 22 is arranged at the top end of the driven pipe 20, a mold cleaning sponge 23 is arranged at the bottom end of the driven pipe 20, a first fixing ball 24 is arranged inside the mold sponge 23, the inside of the first fixing ball 24 is of a cavity structure, the surface of the first fixing ball 24 is of a net-shaped structure, an air exhaust pipe 25 is arranged at the axial position of the driven pipe 20, one end of the air exhaust pipe 25 is communicated with the first fixing ball 24, an air exhaust pump 26 is arranged at the other end of the air exhaust pipe 25, and the air pump 26 is installed at the top of the shell 14; the demolding tool 4 comprises an operation handle 27, a handle 28 is arranged at one end of the operation handle 27, a lock cap 29 is arranged at the outer end of the handle 28, a protective shell 30 is arranged at the other end of the operation handle 27, a stepping motor 31 is arranged inside the protective shell 30, a rotating shaft 32 is arranged at the lower part of the stepping motor 31, the rotating shaft 32 is vertically arranged, a demolding sponge 33 is arranged at the lower end of the rotating shaft 32, and the demolding sponge 33 is arranged in the impregnation cavity 10.
The invention relates to a mold cleaning and demolding treatment device for an injection mold, wherein an operator places a mold to be treated on a vehicle seat 1, performs mold cleaning treatment on the mold through a mold cleaning tool 3, and performs demolding treatment on the mold through a demolding tool 4; the cleaning sponge 23 is dipped in the cleaning agent, and an operator can firstly dip the cleaning sponge 23 in the cleaning agent to soak the cleaning sponge 23; an operator performs mold cleaning treatment on the mold through the mold cleaning tool 3, the rotating motor 17 controls the driving gear 19 to rotate through the rotating shaft 18, the driving gear 19 rotates to drive the driven gear 21 to rotate, the driven gear 21 rotates to drive the driven pipe 20 to rotate, the driven pipe 20 rotates to drive the mold cleaning sponge body 23 to rotate, the mold is rapidly cleaned through the mold cleaning sponge body 23, and the upper end of the driven pipe 20 is limited through the limiting seat 22; the air pump 26 pumps air to the first fixing ball 24 through the air pumping pipe 25, the first fixing ball 24 performs air pumping treatment on the die cleaning sponge body 23, and the die after die cleaning treatment is subjected to air pumping treatment through the die cleaning sponge body 23, so that dust is conveniently removed; the stepping motor 31 controls the demoulding sponge 33 to rotate through the rotating shaft 32, demoulding treatment is carried out on the mould through the demoulding sponge 33, an operator operates the operating handle 27 through the handle 28, and the demoulding tool 4 is conveniently taken up through the operating handle 27 and the handle 28; the die cleaning and demoulding treatment is convenient to carry out on the die.
Preferably, the top of the side frame 5 is provided with a top seat 6, the top of the top seat 6 is provided with a top plate 7, the top plate 7 is provided with a plurality of locking pipes 8, and the handle 28 penetrates through the axial positions of the locking pipes 8; the axial position of the lock tube 8 is sleeved with a bearing sleeve which is sleeved on the peripheral surface of the handle 28; the handle 28 is locked by inserting the handle 28 through the lock tube 8.
Preferably, the mold cleaning tool 3 is connected with a cleaning mechanism, the cleaning mechanism comprises a cleaning liquid tank 37, the cleaning liquid tank 37 is connected with a cleaning liquid flushing pipe 35, a liquid pumping pump 39 is arranged at the lower end of the cleaning liquid flushing pipe 35, the liquid pumping pump 39 is arranged at the inner bottom of the cleaning liquid tank 37, the upper end of the cleaning liquid flushing pipe 35 is connected with the air pumping pipe 25, and a control switch 38 is arranged on the cleaning liquid flushing pipe 35; a traction wheel set 36 is arranged at the side part of the shell 14, and the cleaning liquid flushing pipe 35 bypasses the traction wheel set 36; the cleaning liquid tank 37 pumps the cleaning liquid into the air exhaust pipe 25 through the cleaning liquid flushing pipe 35 and the liquid pumping pump 39, and the air exhaust pipe 25 performs pre-flushing treatment on the mold to be treated through the mold cleaning sponge 23 and the first fixing ball 24.
Preferably, a second fixing ball 34 is provided between the lower end of the rotating shaft 32 and the mold release sponge 33; the surface of the second fixing ball 34 is a net structure; the lower end of the rotating shaft 32 is fixed to the mold release sponge 33 more firmly.
Preferably, the surface of the grip 15 is provided with anti-skid lines; the anti-slip pattern greatly increases the anti-slip effect of the grip 15.
Preferably, the vehicle seat 1 is provided with a sponge seat 11, the top surface of the sponge seat 11 is provided with a sponge cavity 12, the side part of the sponge cavity 12 is provided with a liquid inlet pump 13, and a cleaning mold sponge body 23 is arranged in the sponge cavity 12; the mold cleaning agent is poured into the sponge cavity 12 of the sponge seat 11, and the liquid inlet pump 13 can be externally connected with a water inlet pipe, so that the mold cleaning agent is conveyed into the sponge cavity 12; the mold cleaning sponge body 23 is immersed in the mold cleaning agent in the sponge chamber 12.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (4)
1. The injection mold cleaning and demolding treatment device comprises a saddle, universal wheels are arranged at four corners of the bottom of the saddle, a side frame is arranged on the saddle, a mold cleaning tool is arranged on the side frame, a demolding tool is arranged above the mold cleaning tool, a dipping tank is arranged on the saddle, a dipping cavity is arranged inside the dipping tank, and the top of the dipping tank is of an open structure;
the die cleaning tool comprises a shell, a handle is arranged at the outer side of the shell, a protective shell is arranged at the inner top of the shell, a rotating motor is arranged inside the protective shell, a rotating shaft is arranged at the lower part of the rotating motor, a driving gear is sleeved on the outer peripheral surface of the rotating shaft, a driven pipe is arranged inside the shell, a driven gear is sleeved on the outer peripheral surface of the driven pipe and is meshed with the driving gear, a limiting seat is arranged at the top end of the driven pipe, a die cleaning sponge body is arranged at the bottom end of the driven pipe, a first fixing ball is arranged inside the die cleaning sponge body, the first fixing ball is of a cavity structure, the surface of the first fixing ball is of a net-shaped structure, a sponge seat is arranged on a vehicle seat, a sponge cavity is arranged on the top surface of the sponge seat, a liquid inlet pump is arranged at the side part of the sponge cavity, and the die cleaning sponge body is arranged in the sponge cavity; the mold cleaning agent is poured into the sponge cavity of the sponge seat, and the outside of the liquid inlet pump is externally connected with a water inlet pipe; an air exhaust pipe is arranged at the axial position of the driven pipe, one end of the air exhaust pipe is communicated with the first fixed ball, an air exhaust pump is arranged at the other end of the air exhaust pipe, and the air exhaust pump is arranged at the top of the shell;
the demolding tool comprises an operating handle, wherein a handle is arranged at one end of the operating handle, a lock cap is arranged at the outer end of the handle, a protective shell is arranged at the other end of the operating handle, a stepping motor is arranged in the protective shell, a rotating shaft is arranged at the lower part of the stepping motor and is vertically arranged, a demolding sponge body is arranged at the lower end of the rotating shaft, and the demolding sponge body is arranged in a dipping cavity;
the cleaning mechanism comprises a cleaning liquid tank, the cleaning liquid tank is connected with a cleaning liquid flushing pipe, the lower end of the cleaning liquid flushing pipe is provided with a liquid pumping pump, the liquid pumping pump is arranged at the inner bottom of the cleaning liquid tank, the upper end of the cleaning liquid flushing pipe is connected with an exhaust pipe, and the cleaning liquid flushing pipe is provided with a control switch; a traction wheel set is arranged at the side part of the shell, and the cleaning liquid flushing pipe bypasses the traction wheel set;
the method is characterized in that: the top of the side frame is provided with a top seat, the top of the top seat is provided with a top plate, the top plate is provided with a plurality of locking pipes, and the handle penetrates through the axial positions of the locking pipes; the axial position of the lock tube is sleeved with a bearing sleeve, and the bearing sleeve is sleeved on the peripheral surface of the handle.
2. The mold cleaning and releasing treatment device for the injection mold according to claim 1, wherein: a second fixing ball is arranged between the lower end of the rotating shaft and the demoulding sponge body.
3. The mold cleaning and releasing treatment device for the injection mold according to claim 2, wherein: the surface of the second fixing ball is of a net structure.
4. The mold cleaning and releasing treatment device for the injection mold according to claim 1, wherein: the surface of the handle is provided with anti-skid lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910465212.XA CN110421785B (en) | 2019-05-30 | 2019-05-30 | Clean mould drawing of patterns processing apparatus of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910465212.XA CN110421785B (en) | 2019-05-30 | 2019-05-30 | Clean mould drawing of patterns processing apparatus of injection mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110421785A CN110421785A (en) | 2019-11-08 |
| CN110421785B true CN110421785B (en) | 2021-10-22 |
Family
ID=68408421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910465212.XA Expired - Fee Related CN110421785B (en) | 2019-05-30 | 2019-05-30 | Clean mould drawing of patterns processing apparatus of injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110421785B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204644160U (en) * | 2015-03-23 | 2015-09-16 | 江苏德和绝热科技有限公司 | A kind of spraying equipment of foamed glass foaming kiln diaphragm capsule |
| CN206083208U (en) * | 2016-08-18 | 2017-04-12 | 揭阳市中德工业设计院有限公司 | Mould cavity surface edulcoration device |
-
2019
- 2019-05-30 CN CN201910465212.XA patent/CN110421785B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204644160U (en) * | 2015-03-23 | 2015-09-16 | 江苏德和绝热科技有限公司 | A kind of spraying equipment of foamed glass foaming kiln diaphragm capsule |
| CN206083208U (en) * | 2016-08-18 | 2017-04-12 | 揭阳市中德工业设计院有限公司 | Mould cavity surface edulcoration device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110421785A (en) | 2019-11-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110421785B (en) | Clean mould drawing of patterns processing apparatus of injection mold | |
| CN110340333B (en) | Metal pipe casting device and method | |
| CN110919829A (en) | Release agent brushing equipment for cement support seat casting mold | |
| CN111923291A (en) | Spray type release agent | |
| CN213704231U (en) | Even qianmen handrail device board body mould can pour | |
| CN214395117U (en) | Auxiliary demoulding device of automobile injection mould | |
| CN114505277A (en) | Belt cleaning device is used in processing of outer lane in bearing | |
| CN210501150U (en) | Injection mold structure for moistening lipstick bottom in summer | |
| CN207103785U (en) | A kind of fully-automatic supersonic goes mouth of a river production system | |
| CN213471857U (en) | Novel mould cooling device for producing automobile tires | |
| CN206811099U (en) | Coating feeding device | |
| CN217395530U (en) | Pipe injection molding machine | |
| CN217196750U (en) | Injection molding and demolding mechanism for infrared thermal imager shell | |
| CN206254062U (en) | A kind of cast molding emery wheel grinding wheel base body | |
| CN109773134A (en) | A kind of production method of automobile die mold core and dedicated producing device | |
| CN210936166U (en) | All-round belt cleaning device is used in mould surface machining | |
| CN216732883U (en) | Novel efficient forming die for automobile handle | |
| CN212826629U (en) | Exhaust groove structure of injection mold | |
| CN214517526U (en) | Mould is used in processing of cast aluminium end cover | |
| CN217196661U (en) | Injection mold with quick die change structure | |
| CN218906168U (en) | Handle injection mold with assembly structure | |
| CN210279950U (en) | Mould cleaning device | |
| CN219966360U (en) | Mould of many pouring channels casting | |
| CN210026150U (en) | Special exhaust structure of plastic mould | |
| CN216705243U (en) | Semi-automatic mould cleaning equipment |
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 | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210926 Address after: 528000 No. 1-3, Chihua tunjiao Road, Baichen highway, Chihua neighborhood committee, Chencun Town, Shunde District, Foshan City, Guangdong Province Applicant after: Foshan Shunde meticulously Electric Appliance Manufacturing Co.,Ltd. Address before: 318050 Jinshui Road, Luqiao North Road, Luqiao, Zhejiang, 68 Applicant before: TAIZHOU RUIXIANG MACHINERY EQUIPMENT Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211022 |