CN209637003U - A kind of ring-type composite lead core rubber cushion assembly - Google Patents
A kind of ring-type composite lead core rubber cushion assembly Download PDFInfo
- Publication number
- CN209637003U CN209637003U CN201822248834.0U CN201822248834U CN209637003U CN 209637003 U CN209637003 U CN 209637003U CN 201822248834 U CN201822248834 U CN 201822248834U CN 209637003 U CN209637003 U CN 209637003U
- Authority
- CN
- China
- Prior art keywords
- energy consumption
- cover plate
- connecting cover
- plate
- rubber
- 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
Landscapes
- Vibration Prevention Devices (AREA)
- Vibration Dampers (AREA)
Abstract
The utility model relates to a kind of cyclic annular composite lead core rubber cushion assemblies, belong to building cushion technique field.It includes connecting cover plate, energy consumption mild steel, Wasted-energy steel plate, trapezoidal rubber energy consumption block, directing plate, lead-rubber damping ball.When shaking, directing plate squeezes lead-rubber damping ball, when lead-rubber damping deformation of ball is excessive, connecting cover plate squeezes intermediate trapezoidal rubber energy consumption block, two blocks of energy consumption mild steel cooperate simultaneously, increase the deformation dissipation energy of damper, while recovery elastic force can also be provided for damper.The utility model structure is simple, deformation is big, energy consumption effect is excellent, and the damage of building can be reduced when earthquake occurs, has good practicability and marked improvement.
Description
Technical field
The utility model belongs to building cushion technique field, more particularly to a kind of cyclic annular composite lead core rubber cushion assembly.
Background technique
With taking place frequently for earthquake disaster in recent years, the shock resistance of building is proposed in architectural engineering construction and is newly wanted
It asks, traditional building aseismicity structure, can be to building self structure by building the deformation of itself component come earthquake energy
Permanent damage is caused, large effect is caused using safe to the later period of building.By the way that resistance is added in fabric structure
Buddhist nun's device component can sponge most of seismic energy using the component, effectively reduce earthquake to structure trunk structure
It destroys, plays a significant role to the whole anti-seismic performance for promoting building.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of cyclic annular composite lead core rubber cushion assembly, mainly
It is that there is good practicability, compare in order to develop the rubber cushion assembly that a kind of structure is simple, deformation is big, energy consumption effect is excellent
There is substantive distinguishing features and the marked improvement of protrusion for the prior art.
The technical solution adopted in the utility model is as follows:
A kind of ring-type composite lead core rubber cushion assembly, comprising: upper connecting cover plate, lower connecting cover plate, left energy consumption mild steel, right consumption
Can mild steel, trapezoidal rubber energy consumption block, stiffening rib steel plate, junction steel plate, bolt hole, lead-rubber damping ball, upper directing plate, under
Directing plate;
The upper connecting cover plate, lower connecting cover plate are rectangle, are respectively set in upper connecting cover plate, lower connecting cover plate quadrangle
Four bolt holes, upper connecting cover plate, two bolt hole center line positioning up and down that the left and right of lower connecting cover plate is ipsilateral are consistent,
Trapezoidal rubber energy consumption block, junction steel plate, trapezoidal rubber energy consumption block, rib steel of putting more energy into are followed successively by the downside of upper connecting cover plate short transverse
Plate, damper is using stiffening rib steel plate as symmetry axis arrangement symmetrical above and below;The trapezoidal rubber energy consumption larger base side of block area with
Upper connecting cover plate, the connection of lower connecting cover plate, the trapezoidal rubber energy consumption smaller base side of block area is connect with junction steel plate, along upper connection
Cover board, lower connecting cover plate length direction two sides have been arranged symmetrically left energy consumption mild steel and right energy consumption mild steel;The upper directing plate, under draw
Guide plate is rectangle, is respectively set four bolt holes in upper directing plate, lower directing plate quadrangle, bolt hole thereon respectively with
Connecting cover plate, the bolt hole center line positioning of lower connecting cover plate quadrangle setting are consistent, between upper directing plate and upper connecting cover plate
A lead-rubber damping ball is placed, a lead-rubber damping ball is placed between lower directing plate and lower connecting cover plate.
Further, the left energy consumption mild steel and right energy consumption mild steel cross section are rectangle, and left energy consumption mild steel and right energy consumption are soft
Stress is previously applied in steel, is class ellipticity after left energy consumption mild steel and the bending of right energy consumption mild steel, and focal length is upper connecting cover plate length
6/5ths to four/4ths.
Further, the upper connecting cover plate, lower connecting cover plate height and left energy consumption mild steel, right energy consumption mild steel thickness one
It causes;Groove is respectively provided in upper connecting cover plate, lower connecting cover plate, a diameter of lead-rubber damps the one third of bulb diameter,
Depth is a quarter that lead-rubber damps bulb diameter.
Further, the stiffening rib steel plate length, width are consistent with the trapezoidal rubber energy consumption larger bottom edge of block area;It is described
Junction steel plate length, width are consistent with the trapezoidal rubber energy consumption smaller bottom edge of block area.
Further, the trapezoidal rubber energy consumption smaller bottom edge of block area and the larger bottom edge ratio of area be 3/4ths to
2/3rds.
Further, the upper directing plate, be respectively equipped with groove on lower directing plate, a diameter of lead-rubber damping ball is straight
The one third of diameter, depth are a quarter that lead-rubber damps bulb diameter.
Further, the lead-rubber damping ball has cylindrical perforation hole among it, penetrates through hole in cylinder
Interior placement lead for retractable pencil.
The utility model has the beneficial effects that
The utility model structure is simple, deformation is big, energy consumption effect is excellent, and the damage of building can be reduced when earthquake occurs
Evil, has good practicability, and product has substantive distinguishing features and the marked improvement of protrusion compared to existing technologies.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is lead-rubber damping ball structural schematic diagram.
Fig. 3 is groove schematic diagram.
In figure, 1 is upper connecting cover plate;2 be lower connecting cover plate;3 be left energy consumption mild steel;4 be right energy consumption mild steel;5 be trapezoidal
Rubber energy consumption block;6 be stiffening rib steel plate;7 be junction steel plate;8 be bolt hole;9 be lead-rubber damping ball, and 9-1 is cylinder
Shape penetrates through hole;10 be upper directing plate;11 be lower directing plate;12 be groove.
Specific embodiment
In order to further illustrate the utility model, the utility model is retouched in detail with reference to the accompanying drawings and embodiments
It states, but they cannot be interpreted as to the restriction to scope of protection of the utility model.
Embodiment 1: as shown in Fig. 1 ~ 3, a kind of ring-type composite lead core rubber cushion assembly, comprising: upper connecting cover plate 1, lower company
Connects cover plate 2, left energy consumption mild steel 3, right energy consumption mild steel 4, trapezoidal rubber energy consumption block 5, stiffening rib steel plate 6, junction steel plate 7, bolt hole
Hole 8, lead-rubber damping ball 9, upper directing plate 10, lower directing plate 11;
The upper connecting cover plate 1, lower connecting cover plate 2 are rectangle, in upper connecting cover plate 1,2 four jiaos of lower connecting cover plate difference
Four bolt holes 8 are set, ipsilateral two 8 center lines of bolt hole up and down in left and right of upper connecting cover plate 1, lower connecting cover plate 2
Positioning is consistent, and trapezoidal rubber energy consumption block 5, junction steel plate 7, trapezoidal rubber consumption are followed successively by the downside of upper 1 short transverse of connecting cover plate
Energy block 5, stiffening rib steel plate 6, damper is with stiffening rib steel plate 6 for symmetry axis arrangement symmetrical above and below;The trapezoidal rubber energy consumption block 5
The larger base side of area is connect with upper connecting cover plate 1, lower connecting cover plate 2, the smaller base side of trapezoidal rubber energy consumption 5 area of block and company
The connection of steel plate 7 is connect, has been arranged symmetrically left energy consumption mild steel 3 and right consumption along upper connecting cover plate 1,2 length direction two sides of lower connecting cover plate
It can mild steel 4;The upper directing plate 10, lower directing plate 11 are rectangle, are respectively set in upper directing plate 10,11 4 jiaos of lower directing plate
Four bolt holes 8, bolt hole 8 thereon is respectively and in connecting cover plate 1,2 four jiaos of the lower connecting cover plate bolt holes 8 being arranged
The positioning of heart line is consistent, places a lead-rubber damping ball 9 between upper directing plate 10 and upper connecting cover plate 1, lower directing plate 11 with
A lead-rubber damping ball 9 is placed between lower connecting cover plate 2.
The left energy consumption mild steel 3 is rectangle with right 4 cross section of energy consumption mild steel, and left energy consumption mild steel 3 and right energy consumption mild steel 4 are preparatory
Apply stress, is class ellipticity after left energy consumption mild steel 3 and the bending of right energy consumption mild steel 4, focal length is the four of upper 1 length of connecting cover plate
/ five.
The upper connecting cover plate 1,2 height of lower connecting cover plate and left energy consumption mild steel 3, right 4 consistency of thickness of energy consumption mild steel;Upper company
Groove 12 is respectively provided in connects cover plate 1, lower connecting cover plate 2, the one third of a diameter of 9 diameter of lead-rubber damping ball is deep
Degree is a quarter of 9 diameter of lead-rubber damping ball.
6 length of stiffening rib steel plate, width are consistent with the trapezoidal rubber energy consumption block larger bottom edge of 5 area;The connection steel
7 length of plate, width are consistent with the trapezoidal rubber energy consumption block smaller bottom edge of 5 area.
The trapezoidal rubber energy consumption smaller bottom edge of 5 area of block and the larger bottom edge ratio of area are 3/4ths.
Groove 12, a diameter of 9 diameter of lead-rubber damping ball are respectively equipped on the upper directing plate 10, lower directing plate 11
One third, depth be 9 diameter of lead-rubber damping ball a quarter.
The lead-rubber damping ball 9 is among it with cylindrical perforation hole 9-1, in cylinder perforation hole 9-1
Place lead for retractable pencil.
Embodiment 2: as shown in Fig. 1 ~ 3, a kind of ring-type composite lead core rubber cushion assembly, comprising: upper connecting cover plate 1, lower company
Connects cover plate 2, left energy consumption mild steel 3, right energy consumption mild steel 4, trapezoidal rubber energy consumption block 5, stiffening rib steel plate 6, junction steel plate 7, bolt hole
Hole 8, lead-rubber damping ball 9, upper directing plate 10, lower directing plate 11;
The upper connecting cover plate 1, lower connecting cover plate 2 are rectangle, in upper connecting cover plate 1,2 four jiaos of lower connecting cover plate difference
Four bolt holes 8 are set, ipsilateral two 8 center lines of bolt hole up and down in left and right of upper connecting cover plate 1, lower connecting cover plate 2
Positioning is consistent, and trapezoidal rubber energy consumption block 5, junction steel plate 7, trapezoidal rubber consumption are followed successively by the downside of upper 1 short transverse of connecting cover plate
Energy block 5, stiffening rib steel plate 6, damper is with stiffening rib steel plate 6 for symmetry axis arrangement symmetrical above and below;The trapezoidal rubber energy consumption block 5
The larger base side of area is connect with upper connecting cover plate 1, lower connecting cover plate 2, the smaller base side of trapezoidal rubber energy consumption 5 area of block and company
The connection of steel plate 7 is connect, has been arranged symmetrically left energy consumption mild steel 3 and right consumption along upper connecting cover plate 1,2 length direction two sides of lower connecting cover plate
It can mild steel 4;The upper directing plate 10, lower directing plate 11 are rectangle, are respectively set in upper directing plate 10,11 4 jiaos of lower directing plate
Four bolt holes 8, bolt hole 8 thereon is respectively and in connecting cover plate 1,2 four jiaos of the lower connecting cover plate bolt holes 8 being arranged
The positioning of heart line is consistent, places a lead-rubber damping ball 9 between upper directing plate 10 and upper connecting cover plate 1, lower directing plate 11 with
A lead-rubber damping ball 9 is placed between lower connecting cover plate 2.
The left energy consumption mild steel 3 is rectangle with right 4 cross section of energy consumption mild steel, and left energy consumption mild steel 3 and right energy consumption mild steel 4 are preparatory
Apply stress, is class ellipticity after left energy consumption mild steel 3 and the bending of right energy consumption mild steel 4, focal length is the four of upper 1 length of connecting cover plate
/ six.
The upper connecting cover plate 1,2 height of lower connecting cover plate and left energy consumption mild steel 3, right 4 consistency of thickness of energy consumption mild steel;Upper company
Groove 12 is respectively provided in connects cover plate 1, lower connecting cover plate 2, the one third of a diameter of 9 diameter of lead-rubber damping ball is deep
Degree is a quarter of 9 diameter of lead-rubber damping ball.
6 length of stiffening rib steel plate, width are consistent with the trapezoidal rubber energy consumption block larger bottom edge of 5 area;The connection steel
7 length of plate, width are consistent with the trapezoidal rubber energy consumption block smaller bottom edge of 5 area.
The trapezoidal rubber energy consumption smaller bottom edge of 5 area of block and the larger bottom edge ratio of area are 2/3rds.
Groove 12, a diameter of 9 diameter of lead-rubber damping ball are respectively equipped on the upper directing plate 10, lower directing plate 11
One third, depth be 9 diameter of lead-rubber damping ball a quarter.
The lead-rubber damping ball 9 is among it with cylindrical perforation hole 9-1, in cylinder perforation hole 9-1
Place lead for retractable pencil.
Embodiment 3: as shown in Fig. 1 ~ 3, a kind of ring-type composite lead core rubber cushion assembly, comprising: upper connecting cover plate 1, lower company
Connects cover plate 2, left energy consumption mild steel 3, right energy consumption mild steel 4, trapezoidal rubber energy consumption block 5, stiffening rib steel plate 6, junction steel plate 7, bolt hole
Hole 8, lead-rubber damping ball 9, upper directing plate 10, lower directing plate 11;
The upper connecting cover plate 1, lower connecting cover plate 2 are rectangle, in upper connecting cover plate 1,2 four jiaos of lower connecting cover plate difference
Four bolt holes 8 are set, ipsilateral two 8 center lines of bolt hole up and down in left and right of upper connecting cover plate 1, lower connecting cover plate 2
Positioning is consistent, and trapezoidal rubber energy consumption block 5, junction steel plate 7, trapezoidal rubber consumption are followed successively by the downside of upper 1 short transverse of connecting cover plate
Energy block 5, stiffening rib steel plate 6, damper is with stiffening rib steel plate 6 for symmetry axis arrangement symmetrical above and below;The trapezoidal rubber energy consumption block 5
The larger base side of area is connect with upper connecting cover plate 1, lower connecting cover plate 2, the smaller base side of trapezoidal rubber energy consumption 5 area of block and company
The connection of steel plate 7 is connect, has been arranged symmetrically left energy consumption mild steel 3 and right consumption along upper connecting cover plate 1,2 length direction two sides of lower connecting cover plate
It can mild steel 4;The upper directing plate 10, lower directing plate 11 are rectangle, are respectively set in upper directing plate 10,11 4 jiaos of lower directing plate
Four bolt holes 8, bolt hole 8 thereon is respectively and in connecting cover plate 1,2 four jiaos of the lower connecting cover plate bolt holes 8 being arranged
The positioning of heart line is consistent, places a lead-rubber damping ball 9 between upper directing plate 10 and upper connecting cover plate 1, lower directing plate 11 with
A lead-rubber damping ball 9 is placed between lower connecting cover plate 2.
The left energy consumption mild steel 3 is rectangle with right 4 cross section of energy consumption mild steel, and left energy consumption mild steel 3 and right energy consumption mild steel 4 are preparatory
Apply stress, is class ellipticity after left energy consumption mild steel 3 and the bending of right energy consumption mild steel 4, focal length is the eight of upper 1 length of connecting cover plate
/ ten one.
The upper connecting cover plate 1,2 height of lower connecting cover plate and left energy consumption mild steel 3, right 4 consistency of thickness of energy consumption mild steel;Upper company
Groove 12 is respectively provided in connects cover plate 1, lower connecting cover plate 2, the one third of a diameter of 9 diameter of lead-rubber damping ball is deep
Degree is a quarter of 9 diameter of lead-rubber damping ball.
6 length of stiffening rib steel plate, width are consistent with the trapezoidal rubber energy consumption block larger bottom edge of 5 area;The connection steel
7 length of plate, width are consistent with the trapezoidal rubber energy consumption block smaller bottom edge of 5 area.
The trapezoidal rubber energy consumption smaller bottom edge of 5 area of block and the larger bottom edge ratio of area are 17/24ths.
Groove 12, a diameter of 9 diameter of lead-rubber damping ball are respectively equipped on the upper directing plate 10, lower directing plate 11
One third, depth be 9 diameter of lead-rubber damping ball a quarter.
The lead-rubber damping ball 9 is among it with cylindrical perforation hole 9-1, in cylinder perforation hole 9-1
Place lead for retractable pencil.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (7)
1. a kind of ring-type composite lead core rubber cushion assembly, comprising: upper connecting cover plate (1), lower connecting cover plate (2), left energy consumption mild steel
(3), right energy consumption mild steel (4), the energy consumption of trapezoidal rubber block (5), stiffening rib steel plate (6), junction steel plate (7), bolt hole (8), lead
Core rubber damping ball (9), upper directing plate (10), lower directing plate (11);It is characterized in that, the upper connecting cover plate (1), lower connection
Cover board (2) is rectangle, and four bolt holes (8), upper company is respectively set in upper connecting cover plate (1), lower connecting cover plate (2) quadrangle
Connects cover plate (1), two bolt hole (8) center line positioning up and down that the left and right of lower connecting cover plate (2) is ipsilateral are consistent, along upper connection
It is followed successively by trapezoidal rubber energy consumption block (5) on the downside of cover board (1) short transverse, junction steel plate (7), trapezoidal rubber energy consumption block (5), puts more energy into
Rib steel plate (6), damper is with stiffening rib steel plate (6) for symmetry axis arrangement symmetrical above and below;Described trapezoidal rubber energy consumption block (5) area
Larger base side is connect with upper connecting cover plate (1), lower connecting cover plate (2), the trapezoidal rubber energy consumption smaller base side of block (5) area with
Junction steel plate (7) connection, has been arranged symmetrically left energy consumption mild steel along upper connecting cover plate (1), lower connecting cover plate (2) length direction two sides
(3) with right energy consumption mild steel (4);The upper directing plate (10), lower directing plate (11) are rectangle, upper directing plate (10), under draw
Four bolt holes (8) are respectively set in guide plate (11) quadrangle, bolt hole (8) thereon respectively with connecting cover plate (1), lower connection
Bolt hole (8) the center line positioning of cover board (2) quadrangle setting is consistent, puts between upper directing plate (10) and upper connecting cover plate (1)
A lead-rubber damping ball (9) is set, a lead-rubber damping ball is placed between lower directing plate (11) and lower connecting cover plate (2)
(9).
2. a kind of cyclic annular composite lead core rubber cushion assembly according to claim 1, it is characterised in that: the left energy consumption mild steel
It (3) is rectangle with right energy consumption mild steel (4) cross section, stress, left consumption is previously applied in left energy consumption mild steel (3) and right energy consumption mild steel (4)
It is class ellipticity after energy mild steel (3) and the bending of right energy consumption mild steel (4), focal length is 5/4ths of upper connecting cover plate (1) length
To 6/4ths.
3. a kind of cyclic annular composite lead core rubber cushion assembly according to claim 1, it is characterised in that: the upper connecting cover plate
(1), lower connecting cover plate (2) highly with left energy consumption mild steel (3), right energy consumption mild steel (4) consistency of thickness;Upper connecting cover plate (1), lower company
It is respectively provided in connects cover plate (2) groove (12), the one third of a diameter of lead-rubber damping ball (9) diameter, depth is lead
The a quarter of core rubber damping ball (9) diameter.
4. a kind of cyclic annular composite lead core rubber cushion assembly according to claim 1, it is characterised in that: the stiffening rib steel plate
(6) length, width are consistent with trapezoidal rubber energy consumption block (5) the larger bottom edge of area;Junction steel plate (7) length, width and ladder
Shape rubber energy consumption block (5) smaller bottom edge of area is consistent.
5. a kind of cyclic annular composite lead core rubber cushion assembly according to claim 1, it is characterised in that: the trapezoidal rubber energy consumption
Block (5) smaller bottom edge of area and the larger bottom edge ratio of area are 2/3rds to three/4ths.
6. a kind of cyclic annular composite lead core rubber cushion assembly according to claim 1, it is characterised in that: the upper directing plate
(10), it is respectively equipped with groove (12) on lower directing plate (11), the one third of a diameter of lead-rubber damping ball (9) diameter,
Depth is a quarter of lead-rubber damping ball (9) diameter.
7. a kind of cyclic annular composite lead core rubber cushion assembly according to claim 1, it is characterised in that: the lead-rubber damping
Ball (9) with cylindrical perforation hole (9-1), places lead for retractable pencil among it in cylinder perforation hole (9-1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822248834.0U CN209637003U (en) | 2018-12-29 | 2018-12-29 | A kind of ring-type composite lead core rubber cushion assembly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822248834.0U CN209637003U (en) | 2018-12-29 | 2018-12-29 | A kind of ring-type composite lead core rubber cushion assembly |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209637003U true CN209637003U (en) | 2019-11-15 |
Family
ID=68476466
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201822248834.0U Active CN209637003U (en) | 2018-12-29 | 2018-12-29 | A kind of ring-type composite lead core rubber cushion assembly |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209637003U (en) |
-
2018
- 2018-12-29 CN CN201822248834.0U patent/CN209637003U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105926768B (en) | T shape timber structure node and its connectors | |
CN204715571U (en) | A kind of high residential building energy-dissipating and shock-absorbing wall | |
CN110145053B (en) | Energy dissipation shock attenuation wall body | |
CN209637003U (en) | A kind of ring-type composite lead core rubber cushion assembly | |
CN211446586U (en) | Damping type anti-falling beam anti-seismic support | |
CN203768824U (en) | Framework structure sound barrier | |
CN206070732U (en) | A kind of cross timber structure node and its connector | |
CN210976071U (en) | Connection node of assembled concrete beam column | |
CN204624885U (en) | A kind of standard knot support chassis of elevator | |
CN207761094U (en) | A kind of Seismic Isolation of Isolation Layer structure | |
CN207469504U (en) | The superpower anti-buckling support of full steel structure | |
CN206319435U (en) | A kind of rubber vibration isolation device | |
CN210086539U (en) | Mounting structure of building antidetonation is roof beam attenuator even | |
CN207453164U (en) | Lead core rubber support | |
CN206752295U (en) | A kind of antidetonation bridge pier column | |
CN205918433U (en) | Nature loess tunnel steel arching callus on sole board falls into | |
CN109457834A (en) | A kind of anti-buckling array composite buffer | |
CN203034636U (en) | High-damping lamination rubber gasket | |
CN206289997U (en) | Construction protection safety net | |
CN208981524U (en) | Squash type energy consumption hydraulic rubber support | |
CN203462481U (en) | Building foundation | |
CN107587626A (en) | Superpower anti-buckling support of full steel structure and preparation method thereof | |
CN211341876U (en) | Soil-proof and dust-suppression environment-friendly safety net | |
CN214656967U (en) | High-bearing-capacity square pile connecting piece convenient to install | |
CN110714646B (en) | Composite building |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210318 Address after: No.46 Taishan Road Huanggu District Shenyang Liaoning 110000 Patentee after: LIAONING LIGHT INDUSTRY DESIGN INSTITUTE Co.,Ltd. Address before: Room 217, 46 Taishan Road, Huanggu District, Shenyang City, Liaoning Province Patentee before: Liu Sihong |
|
TR01 | Transfer of patent right |