CN106825418B - A kind of profile-followed metal support mould resin-coated sand shell mould casting mould component - Google Patents
A kind of profile-followed metal support mould resin-coated sand shell mould casting mould component Download PDFInfo
- Publication number
- CN106825418B CN106825418B CN201710238698.4A CN201710238698A CN106825418B CN 106825418 B CN106825418 B CN 106825418B CN 201710238698 A CN201710238698 A CN 201710238698A CN 106825418 B CN106825418 B CN 106825418B
- Authority
- CN
- China
- Prior art keywords
- profile
- metal support
- mould
- followed
- resin
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/06—Permanent moulds for shaped castings
- B22C9/068—Semi-permanent moulds
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of profile-followed metal support mould resin-coated sand shell mould casting mould components, including resin-coated sand shell mould, profile-followed metal support mould and stop-off piece, resin-coated sand shell mould is set on profile-followed metal support mould, and stop-off piece is arranged on resin-coated sand shell mould, Design of Runner System within stop-off piece, wherein：Profile-followed metal support mould includes that profile-followed metal support molding lid and profile-followed metal support mould pedestal, profile-followed metal support mould pedestal are designed with symmetric pattern, and profile-followed metal support mould pedestal is equipped with die cavity and reserved space；It is respectively arranged with fixed block on the corresponding position of profile-followed metal support molding lid and profile-followed metal support mould base side, resin-coated sand shell mould is positioned in the corresponding die cavity of profile-followed metal support mould pedestal, and stop-off piece, which is fastened on resin-coated sand shell mould, to be placed in the corresponding reserved space of profile-followed metal support mould pedestal；Die assembly designed by the present invention is simple in structure, easy to operate, reduces the cost of casting technique, and labor intensity when reducing production optimizes working environment.
Description
Technical field
The present invention relates to a kind of die assemblies, and in particular to a kind of profile-followed metal support mould resin-coated sand shell mould casting mould group
Part.
Background technology
Casting mould refers to making part with other easy molding materials in advance to obtain the planform of part
Then planform is put into mold in sand mold again, a sky as design of part size is then formed in sand mold
Chamber, then mobility liquid is poured into a mould in the cavity, it can be formed after the liquid cooled and solidified and mold shape structure complete one
The part of sample；
Chinese Foundry die ＆ mold development experienced a hard course to today, still be in backwardness until 1976
State, since 1977, due to flourishing for the industrial departments such as China's machinery, electronics, light industry, instrument, traffic, to casting
The demand of mold is quantitatively more and more, and quality requirement is higher and higher, and Lead Time is shorter and shorter；Therefore, causing China has
Mold is classified as " six or five " and " the Seventh Five-Year Plan " Planning emphasis scientific research project by great attention of the pass department to casting mould industry,
It sends someone study abroad investigation, Introduced From Abroad casting mould advanced technology formulates related casting mould national standard, be by this
Row measure so that casting mould industry has to develop on a large scale very much, and has breakthrough in certain technical aspects, and No. 2 Automobile Factory adopts
It is the massive casting mold that Japan Isuzu Motors factory has manufactured high quality with new technology, new material, has won good international reputation.
Green-sand casting technique, because its is with short production cycle, product batch size is unrestricted, convenient, flexible equal spies
Point, is widely used in foundry enterprise, but also because the casting quality stability of process production not enough and dimensional accuracy
It is not high, the production of the auto parts and components of high requirement cannot be met, everybody usual improved method is matched in green-sand cavity
Resin-coated sand shell mould core is set to stablize surface quality of continuous castings and improve casting dimension accuracy grade；But the modified technique scheme still makes
Use green-sand as carrier, which still belongs to green-sand casting technique, must also put into thus mating sand treatment facility and
Mo(u)lding equipment；Not only cost of investment is high, and labor intensity is big when production, and working environment is poor, which perplexs always foundry enterprise.
Invention content
The technical problem to be solved by the present invention is to, the shortcomings that overcoming the prior art, a kind of profile-followed metal support mould is provided and is covered
Film arenaceous shell casting die component, the modular construction is simple, easy to operate, reduces the cost of casting technique, reduces production
When labor intensity, optimize working environment.
In order to solve the above technical problems, the present invention provides a kind of profile-followed metal support mould resin-coated sand shell mould casting mould group
Part, including resin-coated sand shell mould, profile-followed metal support mould and stop-off piece, resin-coated sand shell mould are set on profile-followed metal support mould, stop-off piece
Be arranged on resin-coated sand shell mould, Design of Runner System within stop-off piece, wherein：
Profile-followed metal support mould includes profile-followed metal support molding lid and profile-followed metal support mould pedestal, profile-followed metal support molding lid pair
Title is arranged on the surface of profile-followed metal support mould pedestal, and the side of profile-followed metal support molding lid is equipped with fixed step, profile-followed metal support
Molding lid is linked at the surface of profile-followed metal support mould pedestal by fixed step and rotary gemel, and profile-followed metal support molding covers also
Equipped with handle；
Profile-followed metal support mould pedestal is designed with symmetric pattern, and profile-followed metal support mould pedestal is equipped with die cavity and reserved space,
Die cavity is adapted with resin-coated sand shell mould, and reserved space is adapted with stop-off piece, and profile-followed metal support mould pedestal is kissed with resin-coated sand shell mould
Circular hole is offered on lower mouth with face；
It is respectively arranged with fixed block on the corresponding position of profile-followed metal support molding lid and profile-followed metal support mould base side, is covered
Film arenaceous shell type is positioned in the corresponding die cavity of profile-followed metal support mould pedestal, and stop-off piece, which is fastened on resin-coated sand shell mould, to be placed in the shape
In the corresponding reserved space of metal support mould pedestal, profile-followed metal support molding lid compacting makes it fix in the both sides of stop-off piece, fixed
Profile-followed metal support, which is molded on the fixation V blocks being bonded on lid and profile-followed metal support mould pedestal, afterwards is arranged V-type fixture block clamping.
The technical solution that the present invention further limits is：
Further, in aforementioned profile-followed metal support mould resin-coated sand shell mould casting mould component, profile-followed metal support molding lid packet
The profile-followed chamber of gland fixed edge, gland and gland clamping portion are included, the profile-followed chamber of gland is vertically installed on gland fixed edge, gland clamping
Portion is set to the top of the profile-followed chamber of gland, and the profile-followed chamber of gland is the semicircular structure of inner hollow, the profile-followed chamber of gland and precoated sand
Shell structure is adapted, and gland clamping portion is inverted l-shaped structure, and the back side of gland clamping portion is additionally provided with reinforcing rib.
Technique effect, profile-followed metal support molding lid this setup can by half mould uniform fold on resin-coated sand shell mould,
Ensure do not occur resin-coated sand shell mould temperature distortion in casting process, to ensure the dimensional accuracy grade of casting.
In aforementioned profile-followed metal support mould resin-coated sand shell mould casting mould component, resin-coated sand shell mould and profile-followed metal support mould pedestal
Match, the wall thickness of resin-coated sand shell mould is 6-7mm, and the fit clearance between profile-followed metal support mould and resin-coated sand shell mould is put just
0.25-0.4mm。
In aforementioned profile-followed metal support mould resin-coated sand shell mould casting mould component, the circular hole on profile-followed metal support mould pedestal is Φ
The circular hole of 6-8mm.
Technique effect, profile-followed metal support mould pedestal offer circular hole, this circle on lower mouth of the resin-coated sand shell mould kiss with face
Hole facilitates the sand removal after being vented and pour when cast as exhaust clearance hole.
In aforementioned profile-followed metal support mould resin-coated sand shell mould casting mould component, profile-followed metal support mould bottom end is additionally provided with four bottoms
Foot, setting footing facilitate casting on flat.
The beneficial effects of the invention are as follows：
Profile-followed metal support mould pedestal is designed with symmetric pattern, to facilitate the design of middle process system stop-off piece, stop-off piece
It can prevent high-temperature liquid metal directly to contact with profile-followed metal support mould, degree of supercooling increases, and is unfavorable for filling type and process system feeding,
It is also convenient for casting outlet；
The setting of fixed V blocks is conducive to profile-followed metal support mould pedestal and the molding of profile-followed metal support is covered after being bonded again and further passed through
V-type fixture block carries out fixation again, increases stability when foundry work, ensures being normally carried out for work；
When being cast using the casting mould component compared with former technique wet sand casting, work efficiency 40% is improved, is reduced the cost
20%, casting qualified rate 5-8% is improved, casting d dimensional accuracy grades are increased substantially.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is another angle side view of Fig. 1；
In figure：1- resin-coated sand shell moulds, the profile-followed metal support molding lids of 2-, 21- gland fixed edges, the profile-followed chamber of 22- glands, 23-
Gland clamping portion, 24- reinforcing ribs, the profile-followed metal support mould pedestals of 3-, 4- fixation steps, 5- handles, 6- stop-off pieces, 7- fix V blocks,
8-V type fixture blocks.
Specific implementation mode
Embodiment 1
A kind of profile-followed metal support mould resin-coated sand shell mould casting mould component provided in this embodiment, structure is as shown in Figs. 1-3,
Including resin-coated sand shell mould 1, profile-followed metal support mould and stop-off piece 6, resin-coated sand shell mould 1 is set on profile-followed metal support mould, stop-off piece 6
It being arranged on resin-coated sand shell mould 1, running gate system is set within stop-off piece 6, wherein：
Profile-followed metal support mould includes profile-followed metal support molding lid 2 and profile-followed metal support mould pedestal 3, profile-followed metal support molding lid
2 are symmetricly set on the surface of profile-followed metal support mould pedestal 3, and the side of profile-followed metal support molding lid 2 is equipped with fixed step 4, with the shape
Metal support is molded the surface that lid 2 is linked at profile-followed metal support mould pedestal 3 by fixed step 4 and rotary gemel, profile-followed metal support
It is additionally provided with handle 5 on molding lid 2；
Profile-followed metal support mould pedestal 3 is designed with symmetric pattern, and profile-followed metal support mould pedestal 3 is equipped with die cavity and leaves a blank in advance
Between, die cavity is adapted with resin-coated sand shell mould 1, and reserved space is adapted with stop-off piece 6, profile-followed metal support mould pedestal 3 and precoated sand
The kiss of shell mould 1 offers the circular hole of Φ 6-8mm on the lower mouth with face, profile-followed metal support mould bottom end is additionally provided with four footing；
It is respectively arranged with fixed V blocks on profile-followed metal support molding lid 2 and the corresponding position of profile-followed 3 side of metal support mould pedestal
7, resin-coated sand shell mould 1 is positioned in profile-followed 3 corresponding die cavity of metal support mould pedestal, and stop-off piece 6 is fastened on resin-coated sand shell mould 1 simultaneously
It is placed in profile-followed 3 corresponding reserved space of metal support mould pedestal, the profile-followed metal support molding compacting of lid 2 makes in the both sides of stop-off piece 6
It is fixed, and profile-followed metal support, which is molded on the fixation V blocks 7 being bonded on lid 2 and profile-followed metal support mould pedestal 3, after fixed is arranged V-type card
8 clamping of block.
In the present embodiment, profile-followed metal support molding lid 2 includes gland fixed edge 21, the profile-followed chamber 22 of gland and gland clamping portion
23, the profile-followed chamber of gland 22 is vertically installed on gland fixed edge 21, and gland clamping portion 23 is set to the top of the profile-followed chamber of gland 22,
The profile-followed chamber 22 of gland is the semicircular structure of inner hollow, and the profile-followed chamber 22 of gland is adapted with 1 structure of resin-coated sand shell mould, gland card
Socket part 23 is inverted l-shaped structure, and the back side of gland clamping portion 23 is additionally provided with reinforcing rib 24.
In the present embodiment, resin-coated sand shell mould 1 matches with profile-followed metal support mould pedestal 3, and the wall thickness of resin-coated sand shell mould 1 is 6-
7mm, the fit clearance between profile-followed metal support mould and resin-coated sand shell mould 1 put positive 0.25-0.4mm.
When it is implemented, specifically including following steps：
（1）According to a set of resin-coated sand shell mould hot box of the shape processing of product to be cast, the material of resin-coated sand shell mould hot box
Material uses chromiumcopper HT250 cast irons, goes out resin-coated sand shell mould 1 using resin-coated sand shell mould hot box processing and fabricating；
（2）According to the outer shape of resin-coated sand shell mould 1 design profile-followed metal support mould pedestal 3 in profile-followed metal support mould and
Profile-followed metal support is molded lid 2, and profile-followed metal support mould pedestal 3 matches with resin-coated sand shell mould 1, and profile-followed metal support is molded 2 basis of lid
The outer shape of resin-coated sand shell mould 1 designs concave-convex identical curvilinear plane；
The material identical of profile-followed metal support mould pedestal 3 and profile-followed metal support molding lid 2 includes following by mass percentage
Component：
Carbon：3.4-3.5%, silicon：3.4-3.6%, manganese≤0.3%, nickel：0.6-1.0%, molybdenum：0.4-0.6%, phosphorus ＜ 0.06%,
Sulphur：＜ 0.015%, surplus are iron；
（3）The profile-followed metal support mould pedestal 3 processed and profile-followed metal support molding lid 2 are passed through into fixed step 4 and rotation
Hinge links are in place；
（4）The resin-coated sand shell mould 1 combined is placed in profile-followed 3 corresponding die cavity of metal support mould pedestal, after filling again
Corresponding stop-off piece 6 is loaded onto, the profile-followed metal support molding lid 2 on both sides is closed, then profile-followed metal support mould is fastened on V-type fixture block 8
Clamping is carried out on the fixation V blocks 7 of two fittings on pedestal 3 and profile-followed metal support molding lid 2, installs and pours at 6 cast gate of stop-off piece
Then cup implements cast, moulding by casting.
In addition to the implementation, the present invention can also have other embodiment.It is all to use equivalent substitution or equivalent transformation shape
At technical solution, fall within the scope of protection required by the present invention.
Claims (3)
1. a kind of profile-followed metal support mould resin-coated sand shell mould casting mould component, it is characterised in that：Including resin-coated sand shell mould（1）, pour
Injection system, stop-off piece（6）And profile-followed metal support mould, the resin-coated sand shell mould（1）It is set on the profile-followed metal support mould, it is described
Stop-off piece（6）It is arranged in the resin-coated sand shell mould（1）On, the running gate system is set to the stop-off piece（6）Within card, wherein：
The profile-followed metal support mould includes profile-followed metal support molding lid（2）With profile-followed metal support mould pedestal（3）, described is profile-followed
Metal support molding lid（2）It is symmetricly set on the profile-followed metal support mould pedestal（3）Surface, the profile-followed metal support molding lid
（2）Side be equipped with fixed step（4）, the profile-followed metal support molding lid（2）Pass through fixed step（4）And rotary gemel link
In the profile-followed metal support mould pedestal（3）Surface, the profile-followed metal support molding lid（2）On be additionally provided with handle（5）；
The profile-followed metal support mould pedestal（3）It is designed with symmetric pattern, profile-followed metal support mould pedestal（3）It is equipped with die cavity and reserves
Space, the die cavity and the resin-coated sand shell mould（1）It is adapted, the reserved space and the stop-off piece（6）It is adapted, it is described
Profile-followed metal support mould pedestal（3）With the resin-coated sand shell mould（1）Kiss offers circular hole on the lower mouth with face；
The profile-followed metal support molding lid（2）With profile-followed metal support mould pedestal（3）It is respectively arranged on the corresponding position of side solid
Determine V blocks（7）, the resin-coated sand shell mould（1）It is positioned over the profile-followed metal support mould pedestal（3）In corresponding die cavity, the stop-off
Block（6）It is fastened on resin-coated sand shell mould（1）On be placed in the profile-followed metal support mould pedestal（3）It is described in corresponding reserved space
Profile-followed metal support molding lid（2）It suppresses in stop-off piece（6）The both sides of card make it fix, the profile-followed metal support molding lid after fixed
（2）With profile-followed metal support mould pedestal（3）The fixation V blocks of upper fitting（7）Upper setting V-type fixture block（8）Clamping；
The resin-coated sand shell mould（1）With the profile-followed metal support mould pedestal（3）Match, the resin-coated sand shell mould（1）Wall thickness
For 6-7mm, the profile-followed metal support mould and the resin-coated sand shell mould（1）Between fit clearance be 0.25-0.4mm；It is described with
Shape metal support mould pedestal（3）On circular hole be Φ 6-8mm circular hole.
2. profile-followed metal support mould resin-coated sand shell mould casting mould component according to claim 1, it is characterised in that：It is described with
Shape metal support molding lid（2）Including gland fixed edge（21）, the profile-followed chamber of gland（22）And gland clamping portion（23）, the gland with
Shape chamber（22）It is vertically installed in the gland fixed edge（21）On, the gland clamping portion（23）It is set to the profile-followed chamber of the gland
（22）Top, the profile-followed chamber of gland（22）For the semicircular structure of inner hollow, the profile-followed chamber of gland（22）With it is described
Resin-coated sand shell mould（1）Structure is adapted, the gland clamping portion（23）For inverted l-shaped structure, the gland clamping portion（23）The back of the body
Face is additionally provided with reinforcing rib（24）.
3. profile-followed metal support mould resin-coated sand shell mould casting mould component according to claim 1, it is characterised in that：It is described with
Shape metal support mould bottom end is additionally provided with four footing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710238698.4A CN106825418B (en) | 2017-04-13 | 2017-04-13 | A kind of profile-followed metal support mould resin-coated sand shell mould casting mould component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710238698.4A CN106825418B (en) | 2017-04-13 | 2017-04-13 | A kind of profile-followed metal support mould resin-coated sand shell mould casting mould component |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106825418A CN106825418A (en) | 2017-06-13 |
| CN106825418B true CN106825418B (en) | 2018-09-25 |
Family
ID=59148405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710238698.4A Active CN106825418B (en) | 2017-04-13 | 2017-04-13 | A kind of profile-followed metal support mould resin-coated sand shell mould casting mould component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106825418B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110976764B (en) * | 2019-12-18 | 2021-10-29 | 苏州市中拓互联信息科技有限公司 | Precoated sand shell mold casting process |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104942240A (en) * | 2015-07-20 | 2015-09-30 | 秦皇岛开发区春光铸造机械有限公司 | Floating mold clamping device for sand-core accompanying support plate |
| CN205128854U (en) * | 2015-12-05 | 2016-04-06 | 眉山车辆工业股份有限公司 | Brake head swage tectorial membrane sand device |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2822827Y (en) * | 2005-06-04 | 2006-10-04 | 徐浩生 | Shell and core integrated mould and its fixation device |
| JP2011041968A (en) * | 2009-08-24 | 2011-03-03 | Kurota Seiko Co Ltd | Shell molding method and shell molding machine |
| CN101879582A (en) * | 2010-08-02 | 2010-11-10 | 宁波市艾宏球墨铸造有限公司 | Precoated sand multi-stack casting process |
| CN202087772U (en) * | 2011-05-23 | 2011-12-28 | 株洲联诚集团有限责任公司 | Metal mould gravity casting mould for traction motor end cover of 380 km/h bullet train |
| CN102784888B (en) * | 2012-08-20 | 2015-05-06 | 浙江省机电设计研究院有限公司 | Casting die and casting method for shell of automobile differential mechanism by sand-lined metal mold |
| CN103949586A (en) * | 2014-05-22 | 2014-07-30 | 贵阳百德铸造有限公司 | Universal bottom mold for pouring precoated sand mold |
| CN104588581A (en) * | 2015-01-20 | 2015-05-06 | 江西弘旺汽车制动器制造有限公司 | Manufacturing method of brake drum |
| CN104999040A (en) * | 2015-06-25 | 2015-10-28 | 南通华东油压科技有限公司 | Manufacturing technology of oil inflow valve casting |
| CN205074476U (en) * | 2015-09-28 | 2016-03-09 | 江苏多为泵业股份有限公司 | Car aluminum alloy daming piston casting die |
| CN207103748U (en) * | 2017-04-13 | 2018-03-16 | 扬州广润机械有限公司 | Profile-followed metal support mould resin-coated sand shell mould casting mould component |
-
2017
- 2017-04-13 CN CN201710238698.4A patent/CN106825418B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104942240A (en) * | 2015-07-20 | 2015-09-30 | 秦皇岛开发区春光铸造机械有限公司 | Floating mold clamping device for sand-core accompanying support plate |
| CN205128854U (en) * | 2015-12-05 | 2016-04-06 | 眉山车辆工业股份有限公司 | Brake head swage tectorial membrane sand device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106825418A (en) | 2017-06-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104128564B (en) | A kind of casting technique of Sand-Faced Metal Mould Casting spheroidal graphite cast-iron hinge ear | |
| CN102728790A (en) | Sand-line iron mould casting process for grey cast iron flywheel housing of diesel engine | |
| CN104588581A (en) | Manufacturing method of brake drum | |
| CN105081231A (en) | Casting method for hub of heavy truck | |
| CN101444838A (en) | Method for casting large jigger wheel with counterbalance | |
| CN105108070A (en) | Method for casting end cap of non-transmission end of traction motor on subway locomotive | |
| CN105108060A (en) | Method for casting end cap of transmission end of traction motor on subway locomotive | |
| CN106825418B (en) | A kind of profile-followed metal support mould resin-coated sand shell mould casting mould component | |
| CN102039372A (en) | Lost foam casting method | |
| CN207103748U (en) | Profile-followed metal support mould resin-coated sand shell mould casting mould component | |
| CN105328125A (en) | Casting method of rotor pressing ring for metro locomotive | |
| CN104550715A (en) | Method for manufacturing integral casting metal mould | |
| CN107081406B (en) | A kind of profile-followed metal support mould resin-coated sand shell mould casting technique | |
| CN104693687A (en) | Epoxy resin plastic mold formula and casting technology thereof | |
| CN107398529A (en) | A kind of casting preparation method of the pump housing | |
| CN102274929B (en) | Method for preventing lost foam casting product from crushing | |
| CN105149523A (en) | Casting die and technology for blank of top plate for solar energy | |
| CN206335092U (en) | A kind of vertical pattern grouping mould of steel-casting | |
| CN108515145B (en) | Process based on static pressure casting half shaft | |
| CN209077723U (en) | A kind of middle case class product mold | |
| CN209697978U (en) | A kind of fan-shaped pressure cone riser of casting | |
| CN205414314U (en) | Sand mould mould and be used for producing mould of this sand mould mould | |
| CN110625062A (en) | Casting process for casting hinge lug by adopting shell mold | |
| CN205324640U (en) | Novel cover sand cast structure spare | |
| CN108405813A (en) | A kind of middle case class product mold |
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 | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 224100 south side of Ruifeng Road, Dazhong Street Industrial Park, Dafeng District, Yancheng City, Jiangsu Province Patentee after: YANGZHOU GUANGRUN MACHINERY Co.,Ltd. Address before: 211407 Chen Zhuang group, Lane six, Liu Zhen Town, Yangzhou, Jiangsu, Yizheng Patentee before: YANGZHOU GUANGRUN MACHINERY Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: Chenzhuang formation, Liuxiang village, Liuji Town, Yizheng City, Yangzhou City, Jiangsu Province Patentee after: YANGZHOU GUANGRUN MACHINERY Co.,Ltd. Address before: 224100 south side of Ruifeng Road, Dazhong Street Industrial Park, Dafeng District, Yancheng City, Jiangsu Province Patentee before: YANGZHOU GUANGRUN MACHINERY Co.,Ltd. |