CN107745091B - A kind of preparation method of high-strength abrasion-proof plate - Google Patents
A kind of preparation method of high-strength abrasion-proof plate Download PDFInfo
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- CN107745091B CN107745091B CN201710889790.7A CN201710889790A CN107745091B CN 107745091 B CN107745091 B CN 107745091B CN 201710889790 A CN201710889790 A CN 201710889790A CN 107745091 B CN107745091 B CN 107745091B
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- Prior art keywords
- wear
- mounting hole
- ultrahigh
- strength steel
- steel plates
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- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 229910000797 Ultra-high-strength steel Inorganic materials 0.000 claims abstract description 42
- 239000000463 material Substances 0.000 claims abstract description 30
- 229920002635 polyurethane Polymers 0.000 claims abstract description 29
- 239000004814 polyurethane Substances 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000005266 casting Methods 0.000 claims description 8
- 238000005242 forging Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 6
- 229910010271 silicon carbide Inorganic materials 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G19/00—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors
- B65G19/18—Details
- B65G19/22—Impellers, e.g. push-plates, scrapers; Guiding means therefor
- B65G19/225—Impellers, e.g. push-plates, scrapers; Guiding means therefor for article conveyors, e.g. for container conveyors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
- B65G2201/045—Sand, soil and mineral ore
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
The present invention relates to wearing plate technical fields, and in particular to a kind of preparation method of high-strength abrasion-proof plate includes ultrahigh-strength steel plates using wearing plate prepared by the above method；The ultrahigh-strength steel plates upper and lower surfaces are provided with the mounting hole of major part spike-like structures, and the mounting hole bottom centre position is provided with locating pin；Mounting hole matching internal is provided with the wear-resisting nail of major part spike-like structures, and the material of the wear-resisting nail is carbofrax material；The bottom centre position of wear-resisting nail is provided with the location hole to match with the locating pin；Polyurethane is filled in the mounting hole, the polyurethane is coated on around wear-resisting nail and wear-resisting nail is fixed；The aperture big end of the mounting hole is towards the inside of ultrahigh-strength steel plates, and the aperture small end of mounting hole is towards the outer surface of ultrahigh-strength steel plates.The configuration of the present invention is simple, it is practical, there is preferable popularization and application foreground.
Description
Technical field
The present invention relates to wearing plate technical fields, and in particular to a kind of preparation method of high-strength abrasion-proof plate.
Background technique
Coal mine scraper conveyor underground work inclement condition, intermediate channel be the bearing part of material, either volume also
It is the main body that weight is all conveyer, is usage amount and the maximum component of consumption.When conveyer work, scraper chain drive is scraped
Plate is run along intermediate channel, and the abrasion of middle plate, bottom plate in addition to bearing the materials such as coal cinder, gangue, scraper chain and scraper plate can aggravate it
Abrasion, thus the failure of drag conveyor mostly by intermediate channel, the excessive wear of bottom plate cause, and in, the abrasion of bottom plate especially
With the most serious at chain road.Traditional monometallic wearing plate wears no resistance, and the bimetallic of other such as build-up wear-resistant metal materials
Composite plate manufacturing process is complicated, at high cost, aggravates in use to the abrasion of chain, has much room for improvement；Meanwhile existing wearable plate
Expect that structural strength is lower, is unfavorable for the carrying and transport of heavy objects.
Therefore, based on above-mentioned, the present invention provides a kind of preparation method of high-strength abrasion-proof plate, passes through the material to wearing plate
Select and the structure of wearing plate is rationally designed, while so that the wearability of wearing plate is guaranteed, enhances wearing plate
Structural strength, improve the comprehensive performance of wearing plate, and then solve the shortcomings of the prior art and defect.
Summary of the invention
The object of the invention is that: for presently, there are the above problem, a kind of preparation of high-strength abrasion-proof plate is provided
Method select by the material to wearing plate and the structure of wearing plate rationally designs, obtains the wearability of wearing plate
To while guarantee, enhance the structural strength of wearing plate, improves the comprehensive performance of wearing plate, and then solve of the existing technology
Insufficient and defect.
To achieve the goals above, the technical solution adopted by the present invention is that:
A kind of preparation method of high-strength abrasion-proof plate includes the following steps: that (1) is strong using one piece of superelevation of forging type casting
Degree steel plate is arranged the sand core of several tack shapes in the upper and lower part of ultrahigh-strength steel plates, makes superelevation in casting process
In strength steel sheet casting process, the mounting hole and positioning pin structure of steel plate are formed；(2) if being processed using block-like wear-resistant material
Wear-resisting nail is done, processes location hole in wear-resisting nail bottom；(3) wear-resisting nail is vertically mounted in mounting hole by location hole, then
Polyurethane be melt into it is liquid, be filled into it is wear-resisting nail mounting hole between gap in, polyurethane is placed on air
Middle room temperature is air-cooled；After polyurethane cooled and solidified, that is, it can be prepared into high-strength abrasion-proof plate.
The high-strength abrasion-proof plate includes ultrahigh-strength steel plates；The ultrahigh-strength steel plates upper and lower surfaces are respectively provided with
There is the mounting hole of major part spike-like structures, the mounting hole bottom centre position is provided with locating pin；The setting of mounting hole matching internal
There is the wear-resisting nail of major part spike-like structures, the material of the wear-resisting nail is carbofrax material；The bottom centre position of wear-resisting nail is arranged
There is the location hole to match with the locating pin；Polyurethane is filled in the mounting hole, the polyurethane is coated on resistance to
It is fixed around mill nail and by wear-resisting nail；The aperture big end of the mounting hole is towards the inside of ultrahigh-strength steel plates, mounting hole
Aperture small end towards the outer surface of ultrahigh-strength steel plates.
One aspect of the present invention passes through location hole and locating pin by the way that the wear-resisting nail of silicon carbide material to be mounted in mounting hole
Matching installation positioning is carried out, is then irrigated polyurethane in mounting hole with hot flow patterns in mounting hole, this knot
Structure mode is conducive to for wear-resisting nail being firmly fixed in mounting hole, constitutes the resistance to of ultrahigh-strength steel plates by wear-resisting nail and polyurethane
Part is ground, the wearability of ultrahigh-strength steel plates is improved；And then further increase the wear-resisting property of conventional metals wearing plate.
On the other hand, the present invention is by the uses of ultrahigh-strength steel plates, while guaranteeing the wearability of wearing plate, also into
One step improves the intensity of wearing plate, while so that wearing plate is given full play to silicon carbide and polyurethane wear resistant, also makes full use of super
The high-intensity performance of high-strength steel sheet makes the comprehensive performance of wearing plate effectively improve.
In another aspect, the present invention uses wear-resisting nail and polyurethane material, benefit by the upper and lower surface in ultrahigh-strength steel plates
In making the upper and lower surface of wearing plate all have preferable wearability；It, can also will in addition when one surface wear of material is more serious
It turns and is installed and used on one side, therefore also made full use of conducive to material；The configuration of the present invention is simple, it is practical, have
Preferable popularization and application foreground.
Preferably, the material of the ultrahigh-strength steel plates is semiaustenitic PH stainless steel, specially
0Cr17Ni7Al, and the upper and lower surface of ultrahigh-strength steel plates is rough surface；The thickness of ultrahigh-strength steel plates is 40mm-
50mm。
Preferably, the cross-sectional shape of the mounting hole is T-type structure, and the inner wall of mounting hole is hydraulically smooth surface.
Preferably, the outside diameter of the wear-resisting nail is less than or equal to the end diameter of mounting hole, and the wear-resisting nail
The depth dimensions of length dimension and mounting hole are 10mm-15mm.
Preferably, the top of the locating pin is pyramidal structure, and the outer surface of locating pin is smooth surface, and locating pin
Length dimension is 3mm-5mm.
Preferably, the inner hole bottom end of the location hole is taper pore structure, and the aperture of location hole is greater than or equal to locating pin
Outer diameter, and the inner wall of location hole be hydraulically smooth surface.
Preferably, the top of the wear-resisting nail is planar structure.
By adopting the above-described technical solution, the beneficial effects of the present invention are:
One aspect of the present invention passes through location hole and locating pin by the way that the wear-resisting nail of silicon carbide material to be mounted in mounting hole
Matching installation positioning is carried out, is then irrigated polyurethane in mounting hole with hot flow patterns in mounting hole, this knot
Structure mode is conducive to for wear-resisting nail being firmly fixed in mounting hole, constitutes the resistance to of ultrahigh-strength steel plates by wear-resisting nail and polyurethane
Part is ground, the wearability of ultrahigh-strength steel plates is improved；And then further increase the wear-resisting property of conventional metals wearing plate.
On the other hand, the present invention is by the uses of ultrahigh-strength steel plates, while guaranteeing the wearability of wearing plate, also into
One step improves the intensity of wearing plate, while so that wearing plate is given full play to silicon carbide and polyurethane wear resistant, also makes full use of super
The high-intensity performance of high-strength steel sheet makes the comprehensive performance of wearing plate effectively improve.
In another aspect, the present invention uses wear-resisting nail and polyurethane material, benefit by the upper and lower surface in ultrahigh-strength steel plates
In making the upper and lower surface of wearing plate all have preferable wearability；It, can also will in addition when one surface wear of material is more serious
It turns and is installed and used on one side, therefore also made full use of conducive to material；The configuration of the present invention is simple, it is practical, have
Preferable popularization and application foreground.
Detailed description of the invention
Fig. 1 is schematic diagram of internal structure of the invention；
Fig. 2 is surface texture schematic diagram of the invention.
In figure: 1, ultrahigh-strength steel plates；2, mounting hole；3, wear-resisting nail；4, polyurethane；5, location hole；6, locating pin.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments, based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Embodiment 1, as shown in Figs. 1-2:
A kind of preparation method of high-strength abrasion-proof plate includes the following steps: that (1) is strong using one piece of superelevation of forging type casting
Degree steel plate 1 is arranged the sand core of several tack shapes in the upper and lower part of ultrahigh-strength steel plates 1, makes to surpass in casting process
In 1 casting process of high-strength steel sheet, 6 structure of mounting hole 2 and locating pin of steel plate is formed；(2) added using block-like wear-resistant material
Work goes out several wear-resisting nails 3, processes location hole 5 in 3 bottoms of wear-resisting nail；(3) wear-resisting nail 3 is vertically mounted on peace by location hole 5
Fill hole 2 in, then polyurethane 4 be melt into it is liquid, be filled into it is wear-resisting nail 3 and mounting hole 2 between gap in, will gather
It is air-cooled that urethane 4 is placed on air at room temperature；After 4 cooled and solidified of polyurethane, that is, it can be prepared into high-strength abrasion-proof plate.
A kind of high-strength abrasion-proof plate, including ultrahigh-strength steel plates 1 are prepared using above-mentioned technique；The ultrahigh-strength steel plates 1
Upper and lower surfaces are provided with the mounting hole 2 of major part spike-like structures, and 2 bottom centre position of mounting hole is provided with positioning
Nail 6；2 matching internal of mounting hole is provided with the wear-resisting nail 3 of major part spike-like structures, and the material of the wear-resisting nail 3 is carbofrax material；
The bottom centre position of wear-resisting nail 3 is provided with the location hole 5 to match with the locating pin 6；It is filled in the mounting hole 2
There is polyurethane 4, the polyurethane 4 is coated on around wear-resisting nail 3 and wear-resisting nail 3 is fixed；The aperture of the mounting hole 2 is big
End is towards the inside of ultrahigh-strength steel plates 1, and the aperture small end of mounting hole 2 is towards the outer surface of ultrahigh-strength steel plates 1.
One aspect of the present invention by location hole 5 and is determined by the way that the wear-resisting nail 3 of silicon carbide material to be mounted in mounting hole 2
Position nail 6 carries out Matching installation positioning, and polyurethane 4 is then irrigated mounting hole 2 with hot flow patterns in mounting hole 2
In, this frame mode is conducive to for wear-resisting nail 3 being firmly fixed in mounting hole 2, is made up of wear-resisting nail 3 and polyurethane 4 super
The anti-wear component of high-strength steel sheet 1 improves the wearability of ultrahigh-strength steel plates 1；And then further increase conventional metals wearing plate
Wear-resisting property.
On the other hand, the present invention passes through the use of ultrahigh-strength steel plates 1, while guaranteeing the wearability of wearing plate,
The intensity for further increasing wearing plate also makes full use of while so that wearing plate is given full play to 4 wearability of silicon carbide and polyurethane
The high-intensity performance of ultrahigh-strength steel plates 1 makes the comprehensive performance of wearing plate effectively improve.
In another aspect, the present invention follows closely 3 and 4 material of polyurethane using wear-resisting by the upper and lower surface in ultrahigh-strength steel plates 1,
Conducive to making the upper and lower surface of wearing plate all have preferable wearability；It, can also will be another when one surface wear of material is more serious
Outer turn on one side is installed and used, therefore is also made full use of conducive to material；The configuration of the present invention is simple, practical, tool
There is preferable popularization and application foreground.
As the preferred embodiment of the present embodiment, the materials of the ultrahigh-strength steel plates 1 be semiaustenitic precipitation hardenable not
Become rusty steel, specially 0Cr17Ni7Al, and the upper and lower surface of ultrahigh-strength steel plates 1 is rough surface；The thickness of ultrahigh-strength steel plates 1
Degree is having a size of 40mm-50mm.
As the preferred embodiment of the present embodiment, the cross-sectional shape of the mounting hole 2 is T-type structure, and the inner wall of mounting hole 2
For hydraulically smooth surface.
As the preferred embodiment of the present embodiment, the small end that the outside diameter of the wear-resisting nail 3 is less than or equal to mounting hole 2 is straight
Diameter, and the length dimension of the wear-resisting nail 3 and the depth dimensions of mounting hole 2 are 10mm-15mm.
As the preferred embodiment of the present embodiment, the top of the locating pin 6 is pyramidal structure, and the outer surface of locating pin 6 is
Smooth surface, and the length dimension of locating pin 6 is 3mm-5mm.
As the preferred embodiment of the present embodiment, the inner hole bottom end of the location hole 5 is taper pore structure, the hole of location hole 5
Diameter is greater than or equal to the outer diameter of locating pin 6, and the inner wall of location hole 5 is hydraulically smooth surface.
As the preferred embodiment of the present embodiment, the top of the wear-resisting nail 3 is planar structure.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art within the technical scope of the present disclosure, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (1)
1. a kind of preparation method of high-strength abrasion-proof plate, which comprises the steps of: (1) cast using forging type
Several tack shapes are arranged in the upper and lower part of ultrahigh-strength steel plates in casting process in one piece of ultrahigh-strength steel plates
Sand core makes the mounting hole that steel plate is formed in ultrahigh-strength steel plates casting process and positioning pin structure；(2) using block-like wear-resisting
Material processes several wear-resisting nails, processes location hole in wear-resisting nail bottom；(3) wear-resisting nail is vertically mounted on peace by location hole
Fill hole in, then polyurethane be melt into it is liquid, be filled into it is wear-resisting nail mounting hole between gap in, by polyurethane
It is air-cooled to be placed on air at room temperature；After polyurethane cooled and solidified, that is, it can be prepared into high-strength abrasion-proof plate；
The high-strength abrasion-proof plate includes ultrahigh-strength steel plates；The ultrahigh-strength steel plates upper and lower surfaces are provided with greatly
The mounting hole of head spike-like structures, the mounting hole bottom centre position are provided with locating pin；Mounting hole matching internal is provided with greatly
The wear-resisting nail of head spike-like structures, the material of the wear-resisting nail are carbofrax material；The bottom centre position of wear-resisting nail be provided with
The location hole that the locating pin matches；Polyurethane is filled in the mounting hole, the polyurethane is coated on wear-resisting nail
Around and by wear-resisting nail it is fixed；The aperture big end of the mounting hole is towards the inside of ultrahigh-strength steel plates, the hole of mounting hole
Diameter small end is towards the outer surface of ultrahigh-strength steel plates；
The material of the ultrahigh-strength steel plates is semiaustenitic PH stainless steel, specially 0Cr17Ni7Al, and superelevation
The upper and lower surface of strength steel sheet is rough surface；The thickness of ultrahigh-strength steel plates is 40mm-50mm；
The cross-sectional shape of the mounting hole is T-type structure, and the inner wall of mounting hole is hydraulically smooth surface；
The outside diameter of the wear-resisting nail is less than or equal to the end diameter of mounting hole, and the length dimension and peace of the wear-resisting nail
The depth dimensions for filling hole are 10mm-15mm；
The top of the locating pin is pyramidal structure, and the outer surface of locating pin is smooth surface, and the length dimension of locating pin is
3mm-5mm；
The inner hole bottom end of the location hole is taper pore structure, and the aperture of location hole is greater than or equal to the outer diameter of locating pin, and fixed
The inner wall in position hole is hydraulically smooth surface；
The top of the wear-resisting nail is planar structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710889790.7A CN107745091B (en) | 2017-09-27 | 2017-09-27 | A kind of preparation method of high-strength abrasion-proof plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710889790.7A CN107745091B (en) | 2017-09-27 | 2017-09-27 | A kind of preparation method of high-strength abrasion-proof plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107745091A CN107745091A (en) | 2018-03-02 |
| CN107745091B true CN107745091B (en) | 2019-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710889790.7A Active CN107745091B (en) | 2017-09-27 | 2017-09-27 | A kind of preparation method of high-strength abrasion-proof plate |
Country Status (1)
| Country | Link |
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| CN (1) | CN107745091B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111515366B (en) * | 2020-06-11 | 2021-05-25 | 郑州机械研究所有限公司 | Preparation method of wear-resistant structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2237484Y (en) * | 1995-05-27 | 1996-10-16 | 西安建筑科技大学 | Hole type composite lining plate for mill |
| CN2252696Y (en) * | 1995-12-25 | 1997-04-23 | 本溪市运输机械配件厂 | Ceramic rubber combined lining board |
| CN2562970Y (en) * | 2002-08-01 | 2003-07-30 | 黄裕宏 | New structure of ceramic lining board |
| CN1651146A (en) * | 2005-02-03 | 2005-08-10 | 西安建筑科技大学 | Ternary Composite Material Wear-Resistant Lining Plate and Its Preparation Technology |
| CN101307861A (en) * | 2008-06-01 | 2008-11-19 | 史志阳 | Abrasion-proof composite plate |
| CN202079841U (en) * | 2011-06-22 | 2011-12-21 | 徐州大亚工贸有限公司 | Shock-resisting noise-reducing wear-resisting plate |
| CN205155538U (en) * | 2015-11-12 | 2016-04-13 | 吴颜倬 | Novel antifriction plate |
| CN207209193U (en) * | 2017-09-27 | 2018-04-10 | 宁夏绿源实业有限公司 | A kind of high-strength abrasion-proof plate |
-
2017
- 2017-09-27 CN CN201710889790.7A patent/CN107745091B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2237484Y (en) * | 1995-05-27 | 1996-10-16 | 西安建筑科技大学 | Hole type composite lining plate for mill |
| CN2252696Y (en) * | 1995-12-25 | 1997-04-23 | 本溪市运输机械配件厂 | Ceramic rubber combined lining board |
| CN2562970Y (en) * | 2002-08-01 | 2003-07-30 | 黄裕宏 | New structure of ceramic lining board |
| CN1651146A (en) * | 2005-02-03 | 2005-08-10 | 西安建筑科技大学 | Ternary Composite Material Wear-Resistant Lining Plate and Its Preparation Technology |
| CN101307861A (en) * | 2008-06-01 | 2008-11-19 | 史志阳 | Abrasion-proof composite plate |
| CN202079841U (en) * | 2011-06-22 | 2011-12-21 | 徐州大亚工贸有限公司 | Shock-resisting noise-reducing wear-resisting plate |
| CN205155538U (en) * | 2015-11-12 | 2016-04-13 | 吴颜倬 | Novel antifriction plate |
| CN207209193U (en) * | 2017-09-27 | 2018-04-10 | 宁夏绿源实业有限公司 | A kind of high-strength abrasion-proof plate |
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| Publication number | Publication date |
|---|---|
| CN107745091A (en) | 2018-03-02 |
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Effective date of registration: 20201207 Address after: 314005 north side of Tongyi Road, Yongfeng Village, Xinfeng Town, Nanhu District, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Shenhua medical supplies Co.,Ltd. Address before: 750001 the Ningxia Hui Autonomous Region Yinchuan City Jinfeng District high and new zone small and medium enterprise Pioneer Park No. 1 workshop 3 Patentee before: NINGXIA LUYUAN INDUSTRIAL Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20240530 Address after: No. 8 High tech Industrial Development Zone, Gucheng County, Hengshui City, Hebei Province, 253800 (south of Guangjiao Road and east of Daqiao Bridge) Patentee after: Gucheng County Xinxing Bearing Factory Country or region after: China Address before: 314005 North side of Tongyi Road, Yongfeng Village, Xinfeng Town, Nanhu District, Jiaxing City, Zhejiang Province Patentee before: Zhejiang Shenhua medical supplies Co.,Ltd. Country or region before: China |