CN108083621A - Glass tube cuts bottom closing device - Google Patents
Glass tube cuts bottom closing device Download PDFInfo
- Publication number
- CN108083621A CN108083621A CN201810056042.5A CN201810056042A CN108083621A CN 108083621 A CN108083621 A CN 108083621A CN 201810056042 A CN201810056042 A CN 201810056042A CN 108083621 A CN108083621 A CN 108083621A
- Authority
- CN
- China
- Prior art keywords
- rack
- cutting
- glass tube
- sleeve
- sleeve sections
- 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.)
- Granted
Links
- 239000011521 glass Substances 0.000 title claims abstract description 63
- 238000005520 cutting process Methods 0.000 claims abstract description 71
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000009966 trimming Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 230000009477 glass transition Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- PXFBZOLANLWPMH-UHFFFAOYSA-N 16-Epiaffinine Natural products C1C(C2=CC=CC=C2N2)=C2C(=O)CC2C(=CC)CN(C)C1C2CO PXFBZOLANLWPMH-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/04—Re-forming tubes or rods
- C03B23/09—Reshaping the ends, e.g. as grooves, threads or mouths
- C03B23/099—Reshaping the ends, e.g. as grooves, threads or mouths by fusing, e.g. flame sealing
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/08—Severing cooled glass by fusing, i.e. by melting through the glass
- C03B33/085—Tubes, rods or hollow products
Landscapes
- 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 invention discloses a kind of glass tubes to cut bottom closing device, it includes rack, the rack is connected with more sleeves of parallel interval setting, every sleeve by be oppositely arranged and in it is separated, the two sections of sleeve sections stretched out to rack both sides form, two clamping fixture seats being rotatably connected on sleeve sections on clamping fixture seat and two opposite sleeve sections are arranged concentrically, the outer end of clamping fixture seat is connected with fixture, the actuating unit for driving two opposite clamping fixture seat synchronizations and rotating in same direction is connected in rack, equipped with the heating unit between two sleeve sections being oppositely arranged in the rack, upper rack is connected with the cutting plate for being correspondingly arranged with heating unit and sliding up and down being driven by cutting propelling plant.Energy more glass tubes of surface trimming of the invention are allowed to cut into multiple glasses having a cup bottom, have the advantages that work efficiency is high, Forming Quality is good.
Description
Technical field
The present invention relates to a kind of glass tubes to cut bottom closing device.
Background technology
At present there are mainly two types of the production methods of single-glass cup, one kind is kiln working system, that is, passes through pressing mold or blowing mould
Method, the punching press using punch or the pressure using air pressure forces high-temperature glass liquid to be molded in a mold, this production method
Glass is produced, it is necessary to which mating kiln, relevant device is more demanding, and this method is relatively low there are production efficiency, one cup
High processing costs, finished product transparency is poor, and the problem of high is required to production environment auxiliary facility.Another kind is cutting working system,
Glass tube is fabricated to first, is raw material using glass tube, by glass tube both ends clamp standoff and synchronous rotary, with flame to glass
Local heating is carried out in the middle part of pipe, is heated to Glass Transition, heating temperature is 820 DEG C -1500 DEG C, is less than heating region with thickness
Blade made of width and heat proof material not affine with glass, the slowly cutting among the heating region, make a glass tube by
Gradually form two glasses having a cup bottom；This method producing efficiency is high and production cost is low, in addition, the shaping matter of glass
It measures.
To realize above-mentioned cutting working system, reequiped mostly using machine tool in the prior art, so as to be made accordingly
Cutting machine, i.e. the clamping rotating mechanism using lathe in itself（Scroll chuck）Glass tube rotation is driven, then is reequiped corresponding
Heating arrangements and cutting mechanism form cutting machine.Such as have a kind of thick bottom machine of single-glass cup envelope in the prior art, it utilizes
Lathe improvement forms, and by the use of the chuck of lathe as left fixture, repacks the ejector pin mechanism of lathe into right fixture, spray is connected on lathe
Fiery device, cutter device；Glass tube is clamped by left fixture and right fixture, using flame device to adding in the middle part of glass tube
Heat, then heating region is cut by cutter device, glass having a cup bottom is made.It is the disadvantage is that, first, use
The clamping devices such as chuck clamp glass tube, due to being heated among glass tube, thus easily generate retaining part
The problem of deformation, the problem of causing the quality of production poor, it is necessary to the apparatus for shaping in later stage carries out repairing shaping, not only cause to be produced into
This height and high rejection rate can be led to the problem of；Secondly as single can only clamp a glass tube, i.e., it can only once be molded two
A glass, thus efficiency is low.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of good and efficient glass tube cutting back cover dresses of Forming Quality
It puts.
In order to solve the above technical problems, the glass tube cutting bottom closing device provided includes rack, it is structurally characterized in that：Institute
State rack be connected with parallel interval setting more sleeves, every sleeve from be oppositely arranged and in it is separated, stretched to rack both sides
The two sections of sleeve sections gone out form, and two clamping fixture seats being rotatably connected on sleeve sections on clamping fixture seat and two opposite sleeve sections are set with one heart
It puts, the outer end of clamping fixture seat is connected with fixture, is connected with what is driven two opposite clamping fixture seat synchronizations and rotate in same direction in rack
Actuating unit, be connected with equipped with the heating unit positioned at two sleeve sections being oppositely arranged between, upper rack in the rack and
Heating unit is correspondingly arranged and the cutting plate of sliding up and down is driven by cutting propelling plant.
With the above structure, glass tube to be processed is inserted into every sleeve, glass tube is clamped by fixture
Both ends, actuating unit drives fixture to seat rotation, opposite two clamping fixture seat synchronizations and rotates in same direction, prevent glass tube from rotating
Distortion is generated in the process, and heating unit is heated for glass tube, Glass Transition is heated to close to molten condition, due to glass tube
In rotary state, thus heating is visibly homogeneous, then by cutting propelling plant cutting plate is driven to move down, with the rotation of glass tube
Glass tube is cut into two sections while realizes back cover by cutting plate, and two glasses having a cup bottom have been made.Due to being provided with more sets
Cylinder, thus according to the Design of length of cutting plate and the quantity of sleeve, multiple glass tubes can be cut simultaneously, substantially increase work
Efficiency；The design of said structure makes retaining part avoid the occurrence of asking for retaining part deformation away from heating region to greatest extent
Topic substantially increases the Forming Quality of glass.
As a kind of specific constructive form and improvement, the cutting propelling plant includes the cutting being connected in rack support
Frame cuts and is connected with the cutting knife that can be slided up and down on supporting rack, and the cutting plate is connected on cutting knife, the cutting branch
The driving cam rotated by engine driving is rotatably connected on support, driving cam, which has, drives what cutting knife moved downward
Excircle convex surface is connected with reset tension spring between the cutting knife and cutting supporting rack.Cutter are driven by driving cam
Frame moves down, and can make full use of the shape on the surface of driving cam, so that the speed of the cutting plate run downwards and displacement
It is sufficiently controlled, Forming Quality is ensure that while improving cutting efficiency, reset tension spring plays reset and makees after the completion of cutting
With.
The guide post that can be up and down slid along cutting supporting rack is connected on the cutting knife.
As a kind of specific constructive form and improvement, the actuating unit includes the motor being connected in rack, sleeve
Sprocket wheel is connected in section, multiple sleeve sections positioned at rack homonymy are connected by the chain drive of external envelope sprocket wheel, are connected in rack
The middle biography axis being connected with motor power is connected to, sprocket wheel is housed on middle biography axis, wherein the chain on two sleeve sections being oppositely arranged
It takes turns and is connected respectively by chain drive with the sprocket wheel on middle biography axis, can realize that two opposite clamping fixture seats are synchronous and turn in the same direction
It is dynamic, and power transmission structure is simple, reliable.
The heating unit includes the multigroup nozzle being connected with source of the gas, and every group of nozzle is correspondingly arranged at separated in sleeve
Below position, every group of nozzle includes at least injection direction of two nozzles and nozzle and disconnects position towards the centre.
The fixture is multi-jaw chuck.
In conclusion present invention energy more glass tubes of surface trimming are allowed to cut into multiple glasses having a cup bottom, have
There is the advantages of work efficiency is high, Forming Quality is good.
Description of the drawings
The present invention is further illustrated below in conjunction with the accompanying drawings：
Fig. 1 is the structure diagram of an embodiment of the present invention；
Fig. 2 is to remove the structure diagram overlooked after cutting propelling plant and cutting plate in Fig. 1；
Fig. 3 is the structure diagram of Fig. 1 left views；
Fig. 4 be Fig. 3 in A to structure diagram.
Specific embodiment
Refer to the attached drawing 1, Fig. 2 and Fig. 3, the present invention provides a kind of glass tube cutting bottom closing device embodiment, for convenience
Description, it is described including rack 1 perpendicular to the direction of paper to be horizontal using the left and right directions in Fig. 1 as the longitudinal direction of the device
Rack 1 be connected with parallel interval setting more sleeves 2, every sleeve 2 from be oppositely arranged and in it is separated, stretched to rack both sides
The two sections of sleeve sections composition gone out, opposite two sections of sleeve sections are arranged concentrically, and in the embodiment in figure, there is provided two transverse directions to set
It puts, the sleeve of longitudinal arrangement 2, certainly according to specific design requirement, three even more sleeves can be designed, turned on sleeve sections
Dynamic two clamping fixture seats being connected on clamping fixture seat 3 and two opposite sleeve sections are arranged concentrically, and the outer end of clamping fixture seat 3 is connected with folder
Tool, as depicted in figs. 1 and 2, the fixture provided in the present embodiment are scroll chuck 9, naturally it is also possible to use the knots such as chuck
Structure, in this not go into detail, and the purpose is to can clamp the end of glass tube.It is connected in rack and opposite two is driven to be pressed from both sides
Tool seat synchronization and the actuating unit that rotates in same direction, i.e., two clamping fixture seat synchronizations on same root sleeve and rotate in same direction, in this reality
It applies in example, the actuating unit includes the motor 15 being connected in rack, is connected with sprocket wheel on sleeve sections, which can be used
Duplex chain wheel, multiple sleeve sections positioned at rack homonymy are connected by the chain drive of external envelope sprocket wheel, be connected in rack 1 with
The middle biography axis 7 of 15 power connector of motor, it is middle to pass equipped with sprocket wheel on axis 7, wherein the sprocket wheel on two sleeve sections being oppositely arranged
It is connected respectively by chain drive with the sprocket wheel on middle biography axis, with reference to the rotational arrow index line in figure 1, it is clear that
Multiple clamping fixture seats can be rotated with rotation direction, i.e., rotation direction is identical, it is of course also possible to use other structures realize that above-mentioned same rotation direction turns
It is dynamic, such as jackshaft is set between two adjacent clamping fixture seats of rack homonymy, between clamping fixture seat and jackshaft all using gear into
Row is sequentially connected etc., and in this not go into detail, and the structure used in the present embodiment is most simple, stablizes, maintenance maintenance it is easy and
Expense is low.
With reference to figures 1 through Fig. 4, equipped with the heating unit between two sleeve sections being oppositely arranged, institute in the rack 1
Stating heating unit includes the multigroup nozzle 8 being connected with source of the gas, and source of the gas is not shown, and is used to provide combustion gas, every group of nozzle 8
It is correspondingly arranged at the intermediate of sleeve 2 to disconnect below position, every group of nozzle includes at least injection direction court of two nozzles and nozzle
To position is disconnected among described, i.e. the top of nozzle slopes inwardly, obliquely upward jet flames, so as to be preferably glass tube into
Row heating.1 top of rack is connected with the cutting plate 6 for being correspondingly arranged with heating unit and sliding up and down being driven by cutting propelling plant,
Cutting plate 6 is made of the not graphite affine with glass, and the thickness of cutting plate is less than the width in glass tube heating region, and the cutting is dynamic
Power apparatus includes the cutting supporting rack 11 being connected in rack, cuts and is connected with the cutting knife that can be slided up and down on supporting rack 11
12, the guide post 10 that can be up and down slid along cutting supporting rack is connected on cutting knife 12, naturally it is also possible to using guide rail slide
Fit structure realization is above-mentioned to be slided up and down, and the cutting plate 6 is connected on cutting knife 12, the company of rotation on the cutting supporting rack 11
The driving cam 13 rotated by engine driving is connected to, driving cam 13 is convex with the excircle that cutting knife is driven to move downward
Face, is connected with reset tension spring 14 between the cutting knife 12 and cutting supporting rack, cutting knife is driven downward by driving cam
Sliding, after cam rotation certain angle, reset tension spring, can be with shown in design drawing according to split requirement by cutting knife pull-up
Cam face, i.e. the excircle convex surface of driving cam 13 has opposite two curved surfaces and respectively two arc tables of connection
The inclined surface in face can realize that cutting plate slowly declines and gradually increases the dropping distance of cutting plate when cutting starts, and can also design
Into other shapes.
As shown in Figures 1 to 4, when in use, glass tube to be processed is inserted into every sleeve for above-mentioned most preferred embodiment,
I.e. glass tube is located in two sections of opposite sleeve sections, and the intermediate position that disconnects of every sleeve passes through scroll chuck for heating position
Two ends of glass tube are clamped, retaining part is made to avoid the occurrence of clamping problem on deformation away from heating region to greatest extent,
Starting motor rotates clamping fixture seat, by scroll chuck glass tube is driven to rotate, nozzle is made to add to glass tube flame after igniting
Heat is heated to Glass Transition close to molten condition, by engine driving cam 13 is driven to rotate, cutting plate 6 is from heating region
Sliding is cut downwards in portion, since glass has certain viscosity, thus rotated in initial slow cutting and glass tube
Cut-out fracture will not be generated simultaneously, and the lower section of a glass tube is made gradually to stretch and gradually forms the bottom of a cup of glass, until
Separation is completely cut through by cutting plate 6, a glass tube is made to cut to form glass of the tool there are two bottom of a cup；This method producing efficiency
High and production cost is low, in addition, the Forming Quality of glass is good, above-mentioned action can be controlled all by PLC controller, according to
The action process of description, those skilled in the art can select controller of the prior art and control circuit, herein no longer
Repeat its concrete structure.
The present invention can also have other embodiment, and other technical solutions formed in the record of claims are not
Repeated one by one again, the present invention is not limited to the above embodiments, equivalent variations based on the above embodiment of the present invention and
Part replacement is all within the scope of the present invention.
Claims (6)
1. a kind of glass tube cuts bottom closing device, including rack（1）, it is characterized in that：The rack（1）Parallel interval is connected with to set
The more sleeves put（2）, every sleeve（2）From be oppositely arranged and in it is separated, to rack both sides stretch out two sections of sleeve sections groups
Into being rotatably connected to clamping fixture seat on sleeve sections（3）And two clamping fixture seats on two opposite sleeve sections are arranged concentrically, clamping fixture seat（3）
Outer end be connected with fixture, the actuating unit for driving two opposite clamping fixture seat synchronizations and rotating in same direction is connected in rack,
The rack（1）The upper heating unit equipped between two sleeve sections being oppositely arranged, rack（1）Top is connected with and heats
Device is correspondingly arranged and the cutting plate of sliding up and down is driven by cutting propelling plant（6）.
2. glass tube according to claim 1 cuts bottom closing device, it is characterized in that：The cutting propelling plant includes connection
Cutting supporting rack in rack（11）, cut supporting rack（11）On be connected with the cutting knife that can be slided up and down（12）, it is described
Cutting plate（6）It is connected to cutting knife（12）On, the cutting supporting rack（11）On be rotatably connected to by engine driving rotate
Driving cam（13）, driving cam（13）With the excircle convex surface that cutting knife is driven to move downward, the cutting knife
（12）Reset tension spring is connected between cutting supporting rack（14）.
3. glass tube according to claim 2 cuts bottom closing device, it is characterized in that：The cutting knife（12）On be connected with
The guide post that can be up and down slid along cutting supporting rack（10）.
4. glass tube according to claim 1 cuts bottom closing device, it is characterized in that：The actuating unit includes being connected to machine
Motor on frame（15）, sprocket wheel is connected on sleeve sections, and multiple sleeve sections positioned at rack homonymy pass through external envelope sprocket wheel
Chain drive connects, rack（1）On be connected with and motor（15）The middle biography axis of power connector（7）, middle biography axis（7）It is upper that chain is housed
Wheel, wherein the sprocket wheel on two sleeve sections being oppositely arranged is connected with the sprocket wheel on middle biography axis by chain drive respectively.
5. the glass tube cutting bottom closing device according to any one of claim 1-4, it is characterized in that：The heating unit bag
Include the multigroup nozzle being connected with source of the gas（8）, every group of nozzle（8）It is correspondingly arranged at sleeve（2）Among disconnect position below, every group
Nozzle includes at least injection direction of two nozzles and nozzle and disconnects position towards the centre.
6. the glass tube cutting bottom closing device according to any one of claim 1-4, it is characterized in that：The fixture is multijaw
Chuck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810056042.5A CN108083621B (en) | 2018-01-20 | 2018-01-20 | Glass tube cutting and bottom sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810056042.5A CN108083621B (en) | 2018-01-20 | 2018-01-20 | Glass tube cutting and bottom sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108083621A true CN108083621A (en) | 2018-05-29 |
| CN108083621B CN108083621B (en) | 2020-11-06 |
Family
ID=62183221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810056042.5A Active CN108083621B (en) | 2018-01-20 | 2018-01-20 | Glass tube cutting and bottom sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108083621B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112645573A (en) * | 2021-01-19 | 2021-04-13 | 马海洋 | Cup opening cleaning and shaping machine |
| CN112661395A (en) * | 2021-01-19 | 2021-04-16 | 马海洋 | Cup rim cleaning machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5022909A (en) * | 1988-10-05 | 1991-06-11 | Swanson Systems, Inc. | Tube processing machine |
| CN103482856A (en) * | 2013-09-06 | 2014-01-01 | 崔芳平 | Automatic bottoming machine for glass |
| JP2014196210A (en) * | 2013-03-29 | 2014-10-16 | アズビル株式会社 | Glass tube cutting device |
| CN106116126A (en) * | 2016-08-31 | 2016-11-16 | 河北臻琦玻璃制品有限公司 | A kind of cutter sweep producing glass cup |
| CN106219959A (en) * | 2016-08-31 | 2016-12-14 | 陈富强 | A kind of glass pipe cut-off apparatus |
| CN107021607A (en) * | 2016-01-31 | 2017-08-08 | 天津宜典科技有限公司 | A kind of full-automatic glass cracking-off machine |
-
2018
- 2018-01-20 CN CN201810056042.5A patent/CN108083621B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5022909A (en) * | 1988-10-05 | 1991-06-11 | Swanson Systems, Inc. | Tube processing machine |
| JP2014196210A (en) * | 2013-03-29 | 2014-10-16 | アズビル株式会社 | Glass tube cutting device |
| CN103482856A (en) * | 2013-09-06 | 2014-01-01 | 崔芳平 | Automatic bottoming machine for glass |
| CN107021607A (en) * | 2016-01-31 | 2017-08-08 | 天津宜典科技有限公司 | A kind of full-automatic glass cracking-off machine |
| CN106116126A (en) * | 2016-08-31 | 2016-11-16 | 河北臻琦玻璃制品有限公司 | A kind of cutter sweep producing glass cup |
| CN106219959A (en) * | 2016-08-31 | 2016-12-14 | 陈富强 | A kind of glass pipe cut-off apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112645573A (en) * | 2021-01-19 | 2021-04-13 | 马海洋 | Cup opening cleaning and shaping machine |
| CN112661395A (en) * | 2021-01-19 | 2021-04-16 | 马海洋 | Cup rim cleaning machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108083621B (en) | 2020-11-06 |
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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 |
Effective date of registration: 20201022 Address after: 211212, Jiangsu Nanjing District, Lishui Province East screen town industrial concentration area Applicant after: NANJING HUIKANG GLASS PRODUCTS Co.,Ltd. Address before: 261041 No. 243 Dongfeng East Street, Kuiwei District, Shandong, Weifang Applicant before: Ma Haiyang |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Glass tube cutting and back sealing device Effective date of registration: 20221025 Granted publication date: 20201106 Pledgee: Jiangsu SINOSURE technology microfinance Co.,Ltd. Pledgor: NANJING HUIKANG GLASS PRODUCTS Co.,Ltd. Registration number: Y2022980019407 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20201106 Pledgee: Jiangsu SINOSURE technology microfinance Co.,Ltd. Pledgor: NANJING HUIKANG GLASS PRODUCTS Co.,Ltd. Registration number: Y2022980019407 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |