CN215109974U - Novel anti-corrosion bolt - Google Patents

Novel anti-corrosion bolt Download PDF

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Publication number
CN215109974U
CN215109974U CN202121198289.4U CN202121198289U CN215109974U CN 215109974 U CN215109974 U CN 215109974U CN 202121198289 U CN202121198289 U CN 202121198289U CN 215109974 U CN215109974 U CN 215109974U
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China
Prior art keywords
bolt
glue solution
cavity
connecting bolt
circumference
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CN202121198289.4U
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Chinese (zh)
Inventor
杜冰莹
李兵凡
张甜
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Aituo Environmental Energy Zhejiang Co ltd
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Zhejiang Shanying Paper Industry Co Ltd
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Abstract

The utility model relates to a novel anticorrosion bolt. The connecting bolt solves the problems that the connecting bolt is easy to corrode and the using effect is not good in the prior art. It includes connecting bolt and coupling nut, the last lag body that the connecting bolt circumference outside was located to the cover that is equipped with of coupling nut, connecting bolt circumference inboard is equipped with the location cavity, be equipped with the flexible subassembly in the location cavity, location cavity circumference outside is equipped with the annular and connects the cavity, annular is connected cavity circumference and is equipped with a plurality of glue solution extrusion device, thereby glue solution extrusion device is located and is equipped with the liquid extrusion mechanism that can extrude glue solution extrusion device interior glue solution from the other end extrusion when flexible subassembly axial displacement between the one end of location cavity and the flexible subassembly circumference outer wall, and set up the delivery line intercommunication in connecting bolt one end through the tip between the glue solution extrusion device. The utility model has the advantages that: effectively achieves the purpose of corrosion resistance and has good use effect.

Description

Novel anti-corrosion bolt
Technical Field
The utility model relates to a bolt technical field, concretely relates to novel anticorrosion bolt.
Background
The bolt is a mechanical part, is matched with a cylindrical threaded fastener of a nut, consists of a head part and a screw rod, needs to be matched with the nut, is used for fastening and connecting two parts with through holes, and is widely applied to the aspects of electronic products, mechanical products, digital products, power equipment, electromechanical mechanical products and the like. In some occasions with complex environment and high sealing requirement, the corrosion resistance of the bolt is required, so after the bolt is produced and manufactured, the bolt needs to be subjected to corrosion prevention treatment. The hot galvanizing treatment and the electrogalvanizing treatment are two common anticorrosive treatments, and the two treatment modes can only form a single pure zinc layer on the surface of the bolt, but the zinc layer is easy to fall off after a long time, and the anticorrosive and antirust effects are poor; in addition, the existing connecting bolt is generally rusted by the medium itself, and the medium is accumulated on the surface of the bolt due to leakage, accumulation and the like, and cannot be removed over time, so that the bolt cannot be normally disassembled and scrapped easily, and the using effect is not good.
In order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, chinese patent literature discloses a corrosion-resistant bolt [ CN201610535126.8] with an improved structure, which includes a bolt cap and a bolt body extending downward from the bolt cap, wherein an alumina ceramic cover is disposed on the bolt cap, the alumina ceramic cover is fastened on the upper portion of the bolt cap, a layer of alloy element is disposed on the surface of the bolt body, and a connecting and fixing ring is disposed at the edge of the alumina ceramic cover.
The scheme solves the problems that in the prior art, a rust-proof plating layer of the bolt is easy to fall off and the corrosion resistance effect is poor to a certain extent, but the scheme still has a plurality of defects, such as: the existing connecting bolt is generally rusted by a medium, the medium is accumulated on the surface of the bolt due to leakage, accumulation and the like, and cannot be removed over time, so that the bolt cannot be normally disassembled and scrapped easily, and the using effect is poor.
Disclosure of Invention
The utility model aims at the above-mentioned problem, provide a reasonable in design, excellent in use effect's novel anticorrosion bolt.
In order to achieve the above purpose, the utility model adopts the following technical proposal: the novel anti-corrosion bolt comprises a connecting bolt and a connecting nut sleeved at one end of the connecting bolt, wherein the connecting nut is provided with a protective sleeve body sleeved at the circumferential outer side of the connecting bolt and in threaded connection with the connecting bolt, the circumferential inner side of the connecting bolt is provided with a positioning cavity, an elastic telescopic component capable of moving along the axial direction of the positioning cavity is arranged in the positioning cavity, an annular connecting cavity is arranged on the circumferential outer side of the positioning cavity, and a plurality of glue solution extrusion devices with one ends extending into the positioning cavity and the other ends extending to the circumferential outer wall of the connecting bolt are arranged in the circumferential direction of the annular connecting cavity, a liquid extrusion mechanism which can extrude the glue solution extrusion devices when the elastic expansion components axially move so as to extrude the glue solution in the glue solution extrusion devices from the other ends is arranged between one end of the glue solution extrusion device in the positioning cavity and the circumferential outer wall of the elastic expansion components, and the glue solution extrusion devices are communicated with each other through a conveying pipeline with the end part arranged at one end of the connecting bolt. The protective sleeve body outside the circumferential direction of the connecting bolt is arranged on the connecting nut in a sleeved mode, the connecting bolt is separated from the outside, the connecting bolt is always in airtight protection, the anti-corrosion purpose is achieved, and the elastic telescopic assembly arranged in the positioning cavity is utilized to move axially so that glue in the glue extrusion device is extruded to the position between the protective sleeve body and the connecting bolt, the connecting bolt and the protective sleeve body are connected tightly, the connecting bolt is not prone to falling off, the glue after solidification can be smashed only through normal rotation when the connecting bolt is disassembled, and the use effect is good.
In foretell novel anti-corrosion bolt, elastic stretching subassembly one end is equipped with the linkage depression bar, and the linkage depression bar tip exposes in connecting bolt one end, and the linkage depression bar other end is equipped with reset spring, and reset spring links to each other with the location portion inner wall that sets up in connecting bolt one end is fixed, and the connecting bolt tip is located location portion circumference inboard and is equipped with the spring positioning ring body. The elastic telescopic component after displacement can be quickly reset by the arrangement of the reset spring.
In foretell novel anti-corrosion bolt, protection cover body circumference has the internal thread, and connecting bolt circumference is equipped with the external screw thread, and when protection cover body threaded connection in the connecting bolt circumference outside, glue solution extrusion device tip is located between the gap between protection cover body and the connecting bolt circumference. This arrangement allows for effective sealing of the gap.
In foretell novel anti-corrosion bolt, the flexible subassembly that stretches out and draws back includes flexible horizontal pole, and flexible horizontal pole one end links to each other with the linkage depression bar, and the other end links to each other with reset spring, is equipped with the clearance between flexible horizontal pole circumference and the location cavity.
In foretell novel anti-corrosion bolt, glue solution extrusion device includes glue solution containing barrel, and the one end that glue solution containing barrel exposes in the connecting bolt circumference outside is equipped with the direction barrel, and glue solution containing barrel circumference inboard has the dress cavity. The glue solution extrusion device can extrude glue solution into the gap, and the gap between the protective sleeve body and the connecting bolt in the circumferential direction is sealed.
In the novel anti-corrosion bolt, the glue solution containing barrel radially penetrates through the annular connecting cavity, and the annular connecting cavity and the positioning cavity are spaced from each other.
In foretell novel anti-corrosion bolt, liquid extrusion mechanism leans on the portion including setting up the arc that is located location cavity one end at the flourishing barrel of glue solution dress, and flexible horizontal pole circumference is equipped with the arc extrusion portion that leans on the portion to correspond the setting with the arc, and the arc leans on portion and arc extrusion portion to lean on the setting each other. The arc-shaped abutting part and the arc-shaped extrusion part interact to enable the glue solution in the glue solution containing barrel to flow out towards the opening of the glue solution containing barrel under the action of external force.
In foretell novel anti-corrosion bolt, conveying line includes that circumference setting just is used for connecting the horizontal connecting pipe that is located the flourishing barrel of glue solution dress of same axis in annular connecting cavity, and horizontal connecting pipe one end is equipped with the defeated glue body that is the slope setting of annular, and the one end that horizontal connecting pipe was kept away from to defeated glue body of annular is equipped with defeated glue uncovered. The arrangement of the conveying pipeline can ensure that the glue solution is filled in the glue solution containing cylinder.
In the novel anti-corrosion bolt, one end of the connecting bolt is provided with the pressing groove, the end part of the linkage pressing rod is provided with the pressing ring body, and the pressing gap is formed between the pressing ring body and the bottom of the pressing groove. The telescopic cross rod can move axially by pushing the pressing ring body, and the linkage is good.
In the novel anti-corrosion bolt, a sealing gasket is arranged at one end of the protecting sleeve body, which is in mutual contact with the connecting bolt.
Compared with the prior art, the utility model has the advantages of: reasonable in design, moreover, the steam generator is simple in structure, locate the lag body in the connecting bolt circumference outside through set up the cover on coupling nut, not only make connecting bolt circumference and outside air and medium completely separate, fundamentally solves the condition that the connecting bolt corrodes, thereby utilize liquid extrusion mechanism to form the extrusion to the flourishing barrel of glue solution dress that is equipped with the glue solution through promoting the flexible horizontal pole that sets up in connecting bolt positioning cavity moreover and make the glue solution extrude to the gap between connecting bolt circumference outer wall and the lag body circumference inboard, form and seal, the protection has been formed to connecting bolt circumference outer wall, the lag body of having avoided droing, excellent in use effect.
Drawings
Fig. 1 is a cross-sectional view of a connecting bolt according to the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is a schematic view of the structure of the connecting bolt of the present invention;
FIG. 4 is a front view of the connecting bolt end structure of the present invention;
fig. 5 is a schematic structural view of the coupling nut and the protective sleeve of the present invention.
In the figure, a connecting bolt 1, a positioning cavity 11, an annular connecting cavity 12, a positioning part 13, a pressing groove 14, an external thread 15, a connecting nut 2, a protective sleeve body 21, an internal thread 22, a sealing gasket 23, an elastic telescopic component 3, a linkage pressing rod 31, a return spring 32, a spring positioning ring body 33, a telescopic cross rod 34, a movable gap 35, a pressing ring body 36, a pressing gap 37, a glue solution extruding device 4, a glue solution containing cylinder 41, a guide cylinder 42, a containing cavity 43, a liquid extruding mechanism 5, an arc abutting part 51, an arc extruding part 52, a conveying pipeline 6, a transverse connecting pipe 61, an annular glue conveying pipe body 62 and a glue conveying opening 63 are arranged.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in figures 1-5, the novel anti-corrosion bolt comprises a connecting bolt 1 and a connecting nut 2 sleeved at one end of the connecting bolt 1, wherein a protective sleeve body 21 sleeved at the outer side of the circumferential direction of the connecting bolt 1 and in threaded connection with the connecting bolt 1 is arranged on the connecting nut 2, a positioning cavity 11 is arranged at the inner side of the circumferential direction of the connecting bolt 1, an elastic telescopic component 3 capable of axially moving along the positioning cavity 11 is arranged in the positioning cavity 11, an annular connecting cavity 12 is arranged at the outer side of the circumferential direction of the positioning cavity 11, a plurality of glue solution extruding devices 4 are circumferentially arranged in the annular connecting cavity 12, one ends of the glue solution extruding devices extend into the positioning cavity 11, the other ends of the glue solution extruding devices extend to the outer wall of the circumferential direction of the connecting bolt 1, a liquid extruding mechanism 5 capable of extruding the glue solution 4 when the elastic telescopic component 3 axially moves is arranged between the outer wall of the one end of the glue solution extruding device 4 and the outer wall of the elastic telescopic component 3, and accordingly the glue solution in the glue solution extruding device 4 is extruded from the other end And the glue solution extrusion devices 4 are communicated with each other through a conveying pipeline 6 with the end part arranged at one end of the connecting bolt 1. Through set up elastic telescopic component 3 in connecting bolt 1 circumference inboard location cavity 11, thereby utilize elastic telescopic component 3's axial displacement to make liquid extrusion mechanism 5 form the extrusion to glue solution extrusion device 4, make the glue solution that is located in glue solution extrusion device 4 extrude to the gap between protective sleeve body 21 and connecting bolt 1 in, form sealedly, the contact of outside air and medium and connecting bolt 1 circumference outer wall has been separated, the problem of connecting bolt 1 easy production corruption has been solved, excellent in use effect.
Wherein, one end of the elastic telescopic component 3 is provided with a linkage pressure lever 31, the end part of the linkage pressure lever 31 is exposed out of one end of the connecting bolt 1, the other end of the linkage pressure lever 31 is provided with a return spring 32, the return spring 32 is fixedly connected with the inner wall of the positioning part 13 arranged at one end of the connecting bolt 1, and the end part of the connecting bolt 1 is arranged at the circumferential inner side of the positioning part 13 and is provided with a spring positioning ring body 33. The connecting bolt 1 has a through hole at the end for the return spring 32 to pass through, and the diameter of the through hole is smaller than that of the telescopic cross bar 34, so as to form a limit to the moving range of the telescopic cross bar 34.
As can be seen, the protecting jacket body 21 is circumferentially provided with internal threads 22, the connecting bolt 1 is circumferentially provided with external threads 15, and when the protecting jacket body 21 is screwed on the circumferential outer side of the connecting bolt 1, the end of the glue solution extruding device 4 is located between the protecting jacket body 21 and a gap between the connecting bolt 1 and the circumference. The liquid glue solution which can be extruded is solidified to effectively block the gap.
Obviously, the elastic telescopic assembly 3 comprises a telescopic cross bar 34, one end of the telescopic cross bar 34 is connected with the linkage pressure rod 31, the other end is connected with the return spring 32, and a movable gap 35 is arranged between the periphery of the telescopic cross bar 34 and the positioning cavity 11.
Further, the glue solution extruding device 4 comprises a glue solution containing cylinder 41, a guiding cylinder 42 is arranged at one end of the glue solution containing cylinder 41 exposed out of the circumferential outer side of the connecting bolt 1, and a containing cavity 43 is arranged at the circumferential inner side of the glue solution containing cylinder 41. The guide cylinder 42 is also used for movably positioning the glue solution containing cylinder 41 to prevent the guide cylinder 42 from falling.
Specifically, the glue solution containing cylinder 41 radially penetrates through the annular connecting cavity 12, and the annular connecting cavity 12 and the positioning cavity 11 are spaced from each other. The glue solution containing cylinder 41 is provided with annular stroke limiting parts at the upper end and the lower end of the guide cylinder 42, and the diameter of the annular stroke limiting parts is larger than that of the guide cylinder 42.
Furthermore, the liquid squeezing mechanism 5 includes an arc abutting portion 51 disposed at one end of the glue solution containing barrel 41 located at the positioning cavity 11, an arc squeezing portion 52 disposed corresponding to the arc abutting portion 51 is circumferentially disposed on the telescopic cross rod 34, and the arc abutting portion 51 and the arc squeezing portion 52 are disposed in an abutting manner. The arc pressing portion 52 here is located on the side of the arc abutting portion 51, and the arc abutting portion 51 is made of a flexible material.
More specifically, the conveying pipeline 6 comprises a transverse connecting pipe 61 which is circumferentially arranged in the annular connecting cavity 12 and is used for connecting the glue solution containing barrel 41 which is located on the same axis, one end of the transverse connecting pipe 61 is provided with an annular glue conveying pipe body 62 which is obliquely arranged, and one end, away from the transverse connecting pipe 61, of the annular glue conveying pipe body 62 is provided with a glue conveying opening 63.
Specifically, the connecting bolt 1 has a pressing groove 14 at one end, a pressing ring 36 at the end of the linkage rod 31, and a pressing gap 37 between the pressing ring 36 and the bottom of the pressing groove 14. When the pressing ring body 36 is pressed to the bottom of the pressing groove 14, one end of the telescopic cross rod 34 abuts against the through hole for travel limitation, and the arc-shaped pressing part 52 is pressed to the bottom of the arc-shaped abutting part 51.
Preferably, a sealing gasket 23 is provided at one end of the protecting sleeve body 21 and the connecting bolt 1 which are in contact with each other.
In summary, the principle of the present embodiment is: glue solution is input towards the conveying pipeline 6 through the glue conveying opening 63, the glue solution is conveyed to the containing cavity 43 of the glue solution containing barrel 41 through the conveying pipeline 6, the connecting bolt 1 is circumferentially sleeved with the protective sleeve body 21 at the moment, the pressing ring body 36 is pressed to the bottom of the pressing groove 14, the telescopic cross rod 34 axially moves along the positioning cavity 11, the arc-shaped abutting part 51 at the bottom of the glue solution containing barrel 41 is extruded by the arc-shaped extruding part 52, the glue solution in the containing cavity 43 is extruded to the gap between the protective sleeve body 21 and the connecting bolt 1 in the circumferential direction from the end part, and the gap is effectively sealed through solidification after a period of time, and the telescopic cross rod 34 resets through the reset spring 32.
When the connecting bolt 1 is disassembled, the solidified glue solution can be taken out normally by screwing and crushing the connecting bolt normally.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although terms such as the connecting bolt 1, the positioning cavity 11, the annular connecting cavity 12, the positioning portion 13, the pressing groove 14, the external thread 15, the connecting nut 2, the protective sleeve body 21, the internal thread 22, the sealing gasket 23, the elastic telescopic assembly 3, the linkage pressing rod 31, the return spring 32, the spring positioning ring body 33, the telescopic cross rod 34, the movable gap 35, the pressing ring body 36, the pressing gap 37, the glue solution extruding device 4, the glue solution containing cylinder 41, the guide cylinder 42, the containing cavity 43, the liquid extruding mechanism 5, the arc-shaped abutting portion 51, the arc-shaped extruding portion 52, the conveying pipeline 6, the transverse connecting pipe 61, the annular glue conveying pipe body 62, the glue conveying opening 63 and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims (10)

1. The utility model provides a novel anti-corrosion bolt, locates coupling nut (2) of coupling bolt (1) one end including coupling bolt (1) and cover, its characterized in that, coupling nut (2) on be equipped with the cover locate coupling bolt (1) circumference outside and with coupling bolt (1) threaded connection's lag body (21), coupling bolt (1) circumference inboard be equipped with location cavity (11), and be equipped with in location cavity (11) and follow location cavity (11) axial displacement's elastic expansion subassembly (3), location cavity (11) circumference outside be equipped with annular connection cavity (12), and annular connection cavity (12) circumference be equipped with a plurality of one end and extend to in location cavity (11) and the other end extends to glue solution extrusion device (4) that are located coupling bolt (1) circumference outer wall, glue solution extrusion device (4) be located and be equipped with between one end and elastic expansion subassembly (3) circumference outer wall in location cavity (11) and work as between the outer wall The liquid extrusion mechanism (5) can extrude the glue solution extrusion device (4) when the elastic telescopic component (3) moves axially, so that the glue solution in the glue solution extrusion device (4) is extruded from the other end, and the glue solution extrusion devices (4) are communicated with each other through a conveying pipeline (6) arranged at one end of the connecting bolt (1) at the end part.
2. The novel corrosion-resistant bolt according to claim 1, wherein one end of the elastic expansion assembly (3) is provided with a linkage pressure lever (31), the end of the linkage pressure lever (31) is exposed out of one end of the connecting bolt (1), the other end of the linkage pressure lever (31) is provided with a return spring (32), the return spring (32) is fixedly connected with the inner wall of the positioning portion (13) arranged at one end of the connecting bolt (1), and the end of the connecting bolt (1) is provided with a spring positioning ring body (33) at the circumferential inner side of the positioning portion (13).
3. The novel anti-corrosion bolt according to claim 2, characterized in that the protective sleeve body (21) is circumferentially provided with internal threads (22), the connecting bolt (1) is circumferentially provided with external threads (15), and when the protective sleeve body (21) is screwed on the circumferential outer side of the connecting bolt (1), the end of the glue solution extruding device (4) is located between the protective sleeve body (21) and a gap between the circumferential direction of the connecting bolt (1).
4. The novel corrosion-resistant bolt according to claim 2, characterized in that the elastic telescopic assembly (3) comprises a telescopic cross rod (34), one end of the telescopic cross rod (34) is connected with the linkage pressure rod (31), the other end of the telescopic cross rod is connected with the return spring (32), and a movable gap (35) is arranged between the circumference of the telescopic cross rod (34) and the positioning cavity (11).
5. The novel anti-corrosion bolt according to claim 4, characterized in that the glue solution extruding device (4) comprises a glue solution containing cylinder (41), a guiding cylinder (42) is arranged at one end of the glue solution containing cylinder (41) exposed out of the circumferential outer side of the connecting bolt (1), and a containing cavity (43) is arranged at the circumferential inner side of the glue solution containing cylinder (41).
6. The novel corrosion-resistant bolt according to claim 5, characterized in that the glue-containing cylinder (41) is radially inserted into the annular connecting cavity (12), and the annular connecting cavity (12) and the positioning cavity (11) are spaced from each other.
7. The novel anti-corrosion bolt according to claim 6, characterized in that the liquid pressing mechanism (5) comprises an arc-shaped abutting portion (51) arranged at one end of the glue solution containing barrel (41) located at the positioning cavity (11), the telescopic cross rod (34) is circumferentially provided with an arc-shaped pressing portion (52) corresponding to the arc-shaped abutting portion (51), and the arc-shaped abutting portion (51) and the arc-shaped pressing portion (52) are arranged in an abutting manner.
8. The novel corrosion-resistant bolt according to claim 7, wherein the conveying pipeline (6) comprises a transverse connecting pipe (61) circumferentially arranged in the annular connecting cavity (12) and used for connecting the glue solution containing cylinders (41) on the same axis, one end of the transverse connecting pipe (61) is provided with an annular glue conveying pipe body (62) which is obliquely arranged, and one end of the annular glue conveying pipe body (62) far away from the transverse connecting pipe (61) is provided with a glue conveying opening (63).
9. The novel corrosion-resistant bolt according to claim 2, wherein one end of the connecting bolt (1) is provided with a pressing groove (14), the end part of the linkage pressing rod (31) is provided with a pressing ring body (36), and a pressing gap (37) is formed between the pressing ring body (36) and the bottom of the pressing groove (14).
10. A novel corrosion-resistant bolt according to claim 3, characterized in that the end of the protective sleeve (21) in contact with the connecting bolt (1) is provided with a sealing gasket (23).
CN202121198289.4U 2021-05-31 2021-05-31 Novel anti-corrosion bolt Active CN215109974U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121198289.4U CN215109974U (en) 2021-05-31 2021-05-31 Novel anti-corrosion bolt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121198289.4U CN215109974U (en) 2021-05-31 2021-05-31 Novel anti-corrosion bolt

Publications (1)

Publication Number Publication Date
CN215109974U true CN215109974U (en) 2021-12-10

Family

ID=79301823

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121198289.4U Active CN215109974U (en) 2021-05-31 2021-05-31 Novel anti-corrosion bolt

Country Status (1)

Country Link
CN (1) CN215109974U (en)

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20221207

Address after: 314304 No. 98, Donggang Road, Xitangqiao street, Haiyan County, Jiaxing City, Zhejiang Province

Patentee after: Aituo environmental energy (Zhejiang) Co.,Ltd.

Address before: 314305 Hangzhou Bay Bridge New Area, Haiyan Economic Development Zone, Jiaxing City, Zhejiang Province

Patentee before: ZHEJIANG SHANYING PAPER INDUSTRY Co.,Ltd.

TR01 Transfer of patent right