CN115648353A - Cutting component of saw chain - Google Patents
Cutting component of saw chain Download PDFInfo
- Publication number
- CN115648353A CN115648353A CN202211094604.8A CN202211094604A CN115648353A CN 115648353 A CN115648353 A CN 115648353A CN 202211094604 A CN202211094604 A CN 202211094604A CN 115648353 A CN115648353 A CN 115648353A
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- Prior art keywords
- tooth
- cutting
- section
- rivet hole
- saw chain
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- 239000000463 material Substances 0.000 claims abstract description 35
- 238000004140 cleaning Methods 0.000 claims description 15
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000009966 trimming Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 230000036346 tooth eruption Effects 0.000 description 1
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Abstract
The invention relates to a cutting component of a saw chain, in particular to a cutting component of a saw chain, which comprises a cutting part, wherein the cutting part comprises a connecting part, a cutting tooth, a material limiting tooth and a scrap clearing tooth which are integrally arranged, the material limiting tooth and the cutting tooth are positioned on the same side of the connecting part, a rivet hole is arranged on the connecting part, the rivet holes are distributed along the motion direction and are respectively a front rivet hole and a rear rivet hole, the cutting tooth corresponds to the rear rivet hole, the material limiting tooth corresponds to the front rivet hole, one side of the material limiting tooth, which faces the cutting tooth, is provided with a vertical edge, and the vertical edge is positioned on one side, away from the cutting tooth, of the central point of the front rivet hole. Adopt above-mentioned structure, provide a cutting member that cutting resistance is littleer, saw cuts more steadily.
Description
Technical Field
The invention relates to a cutting component of a saw chain with a lithium battery as a power source.
Background
It is known from chinese patent CN101417449B that the cutting element of the prior art generally comprises a base body and a cutting tooth made of hard metal fixed thereon, which tooth comprises a top cover section and a connecting edge, wherein the base body has a rivet hole and is provided with a recess for chip removal in front of the cutting tooth in the direction of travel of the cutting element, wherein the base body consists of a flat platelet and the side of the cutting tooth partially covers the recess, and wherein the connecting edge of the cutting tooth is in face-to-face contact on the side of the base body and the cutting tooth is connected to the base body (2) by means of a hard solder material.
According to the prior art, the cutting teeth and the base body are separately arranged, and the cutting member needs to be matched with other driving elements for use, refer to the Chinese patent CN1657242A, and have complex structure and high manufacturing cost.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the cutting member which has smaller cutting resistance and more stable sawing.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a cutting member of saw chain, includes the cutting piece, the cutting piece is including integrative connecting portion, cutting tooth and the limit material tooth that sets up, limit material tooth and cutting tooth are located the same one side of connecting portion, be provided with the rivet hole on the connecting portion, the rivet hole distributes along the direction of motion, is preceding rivet hole and back rivet hole respectively, the cutting tooth corresponds with back rivet hole, limit material tooth corresponds with preceding rivet hole, limit material tooth has a perpendicular arris towards one side of cutting tooth, one side that the cutting tooth was kept away from to the rivet hole central point before perpendicular arris was located.
As a further arrangement of the present invention, the cutting member further includes a chip removing tooth, the chip removing tooth is located on the other side of the connecting portion opposite to the cutting tooth, and the chip removing tooth is located between the front and rear rivet holes.
As a further development of the invention, the cutting tooth has a recess which forms a chip-removing groove for removing chips, the cutting tooth having a top section with a top edge and a side section with a side edge, the chip-removing groove being located at the connection of the top section and the side section.
As a further provision of the invention, the side section is formed by the connection extending obliquely towards a first side of the connection, the top section is formed by the tip of the side section extending in a first direction towards a second side of the connection, the first and second sides being opposite sides of the connection in the first direction, and the end face of the top section exceeding the plane of the second side of the connection.
As a further arrangement of the present invention, the top blade has a top blade grinding surface arranged on an end surface of the top section facing the material-limiting tooth, two sides of the top blade grinding surface along the operation direction X are a top blade outer edge and a top blade inner edge respectively, the top blade outer edge is closer to the material-limiting tooth than the top blade inner edge, the top blade outer edge is farther from the connecting portion than the top blade inner edge, an included angle α between a connecting line of the top blade outer edge and the top blade inner edge on the end surface and a central connecting line of the front and rear rivet holes is located in a second quadrant, and an included angle θ between a portion of the top blade outer edge on the top surface and the first direction is located in a fourth quadrant.
As a further development of the invention, the top surface of the top section slopes in the direction of travel away from the connection, the two ends of the top surface in the direction of travel having a height difference forming a cleaning zone for self-cleaning.
As a further arrangement of the invention, the highest point of the top surface of the material limiting tooth is lower than the highest point of the top surface of the top section, and the height difference between the two forms a material limiting area.
As a further configuration of the present invention, the side section has a vertical section connected to the top section and an inclined section connected to the connecting portion, the edge of the side blade is formed by two concave arc sections, the two arc sections correspond to the vertical section and the inclined section respectively, the top section, the vertical section and the inclined section are connected in sequence to form a concave groove to form the chip groove, and the profile of one side of the cutting tooth facing the material limiting tooth is greater than the profile of one side of the cutting tooth away from the material limiting tooth.
As a further arrangement of the invention, an inverted triangle is formed below the connecting part to form the chip cleaning tooth, the chip cleaning tooth is provided with a notch, the opening of the notch faces the running direction, the bottom surface of the notch is an arc concave surface, and two ends of the arc concave surface respectively extend to the outer peripheral surface of the chip cleaning tooth along the running direction and downwards.
Among the above-mentioned technical scheme, connecting portion, cutting tooth and the integrative setting of limit material tooth, the high manufacturing saw chain raw and other materials of integrated level are still less, and the precision of cutting piece is higher, and the incision width is narrow, and it is few to reduce the wood cross-section of excision because of the saw way, practices thrift timber.
The invention is further described below with reference to the accompanying drawings.
Drawings
FIG. 1 is a perspective view of a saw chain in accordance with an embodiment of the present invention;
FIG. 2 is a top view of a saw chain according to an embodiment of the present invention;
FIG. 3 is an exploded view of the saw chain structure of an embodiment of the present invention;
FIG. 4 is a front view of a cutting element according to an embodiment of the present invention;
FIG. 5 is a side view of a cutting element according to an embodiment of the present invention;
FIG. 6 is a top view of a cutting element according to an embodiment of the present invention;
FIG. 7 is a perspective view of a cutting element according to an embodiment of the present invention;
fig. 8 is a front view of a saw chain in accordance with an embodiment of the present invention.
Detailed Description
Embodiments of the invention are shown in fig. 1-8, a cutting member for a saw chain, as shown in fig. 1 and 2, comprising a saw chain when the cutting member of the present application is applied in a saw chain
A cutter 100, a left cutter 110 and a right cutter 120, respectively;
a connecting piece 200, which is a left connecting piece 210 and a right connecting piece 220 respectively, for connecting the cutting piece 100;
the left cutting piece 110 and the right cutting piece 120 are mirror-symmetrical, the left connecting piece 210 and the right connecting piece 220 are mirror-symmetrical, the left cutting piece 110 and the right cutting piece 120 are sequentially and alternately arranged on the same axis 10 along the running direction, and the adjacent left cutting piece 110 and the right cutting piece 120 are hinged through the left connecting piece 210 and the right connecting piece 220 which are oppositely arranged along the first direction 20; left side cutting member 110 and right cutting member 120 are adjacent to each other and set up, be located between left connection piece 210 and the right connection piece 220, saw road width a is narrow, it is few to reduce the wood cross-section of excision because of the saw road, practice thrift timber, because saw road width a is narrow, its cutting resistance is also littleer, saw cut more steadily, this saw chain generally all uses the lithium cell as the power supply, after the resistance diminishes, its time of endurance prolongs greatly, alternate arrangement about the cutting tooth, saw cut sharper, cutting efficiency is higher, it is more careful to cut into, avoid being cut the object surface tear phenomenon, kerf both sides face is level and smooth.
In this embodiment, as shown in fig. 4, the cutting member 100 includes a connecting portion 101, a cutting tooth 102, a material limiting tooth 103, and a scrap removing tooth 104, the connecting portion 101, the cutting tooth 102, the material limiting tooth 103, and the scrap removing tooth 104 are integrally disposed, the integrated cutting member has fewer raw materials for manufacturing a saw chain, the connecting portion 101 is sheet-shaped, the connecting portion 101, the material limiting tooth 103, and the scrap removing tooth 104 are located on the same plane, the material limiting tooth 103 and the cutting tooth 102 are located on the upper side of the connecting portion 101, the scrap removing tooth 104 is located on the lower side of the connecting portion 101, a rivet hole 105 is provided in the connecting portion 101, the rivet holes 105 are distributed along the moving direction and are a front rivet hole 105 and a rear rivet hole 105 respectively, the cutting tooth 102 corresponds to the rear rivet hole 105, the material limiting tooth 103 corresponds to the front rivet hole 105, and the scrap removing tooth 104 is located between the front rivet hole and the rear rivet hole 105. The left cutting member 110 and the right cutting member 120 are alternately arranged along the axis 10, and the distance between the left cutting member 110 and the right cutting member 120 in the first direction 20 is zero, which greatly shortens the saw street width a.
In this embodiment, one end of the left connecting piece 210 and one end of the right connecting piece 220 are connected to the left cutting piece 110, and the other end of the left connecting piece 210 and the other end of the right connecting piece 220 are connected to the right cutting piece 120, the left connecting piece 210 and the left cutting piece 110 or the right cutting piece 120 and the right connecting piece 220 are connected in the first direction 20 by a rivet 300, and the lower half parts of the two ends of the connecting piece 200 are inclined planes 201 inclined towards the middle. Along the operation direction X, one end of the connecting piece 200 is connected to the rear rivet hole 105 of the previous cutting piece 100, the other end is connected to the front rivet hole 105 of the next cutting piece 100, the central connecting line 30 of the central point of the front and rear rivet holes 105 is parallel to the axis 10, when the saw chain winds on the guide rail (not shown, here, the guide rail is a guide rail of an electric chain saw), the guide rail has an arc section, two adjacent connecting pieces 200 along the operation direction X have a certain included angle, therefore, the lower half parts of the connecting pieces 200 can be drawn close to each other, the inclined plane 201 is arranged to be moved away, and mutual abutting interference is avoided.
In this embodiment, as shown in fig. 8, the lower side of the connecting piece 200 has an upwardly concave inner surface 202, and both ends of the inner surface 202 are transitionally connected with the inclined surface 201 through a flat surface 203. The concave surface 202 is also arranged for yielding, and materials and cost are saved.
In this embodiment, the cutting tooth 102 has a recess forming a chip discharge groove 106 for discharging chips, the cutting tooth 102 includes a top section 112 with a top edge 1121 and a side section 122 with a side edge 1221, and the chip discharge groove 106 is located at the connection of the top section 112 and the side section 122.
In this embodiment, as shown in fig. 5, the side section 122 is formed by extending the connecting portion 101 obliquely upward toward the first side 1011 of the connecting portion 101, the top section 112 is formed by extending the top end of the side section 122 toward the second side 1012 of the connecting portion 101 along the first direction 20, the first side 1011 and the second side 1012 are opposite sides of the connecting portion 101 along the first direction 20, the end face 1122 of the top section 112 exceeds the plane of the second side 1012 of the connecting portion 101, and the end face 1122 is obliquely disposed.
In the present exemplary embodiment, as shown in fig. 4 and 6, the top blade 1121 has a top blade sharpening surface 1123 arranged on the end face of the top section 112 facing the setting tooth 103, the top blade sharpening surface 1123 is flanked on both sides in the direction of travel X by a top blade outer edge 1124 and a top blade inner edge 1125, the top blade outer edge 1124 is closer to the setting tooth 103 than the top blade inner edge 1125, the top blade outer edge 1124 is farther from the connecting portion 101 than the top blade inner edge 1125, a connecting line 40 of the top blade outer edge 1124 and the top blade inner edge 1125 on the end face has an angle α with a central connecting line 30 of the front and rear rivet holes 1122 in a second quadrant, preferably an angle α of 57 °, and a portion of the top blade outer edge 1124 on the top face 1126 has an angle θ with the first direction 20 in a fourth quadrant, preferably an angle θ of 32 °.
In the present embodiment, as shown in fig. 4, the top surface 1126 of the top section 112 is inclined in the running direction X toward a position away from the connecting portion 101, and both ends of the top surface 1126 in the running direction X have a height difference to form a cleaning region 1127 for self-cleaning.
In this embodiment, as shown in fig. 4, the side of the trimming tooth 103 facing the cutting tooth 102 has a vertical edge 1031, the vertical edge 1031 is located on the side of the center point 1051 of the front rivet hole 105 facing away from the cutting tooth 102, the highest point of the top surface 1126 of the trimming tooth 103 is lower than the highest point of the top surface 1126 of the top section 112, and the height difference therebetween forms a trimming zone 1032. The cutting piece is avoided rocking about when the cutting from taking the direction function, and it is more steady to saw cut, and the volume of limit material tooth is less, and the direction resistance is littleer when saw cutting.
In the present embodiment, as shown in fig. 4, the side section 122 has a vertical section 1222 connected to the top section 112 and an inclined section 1223 connected to the connecting portion 101, the edge of the side edge 1221 is formed by two concave arc- shaped sections 1224, 1225, the two arc- shaped sections 1224, 1225 correspond to the vertical section 1222 and the inclined section 1223, respectively, the intersection point of the two arc- shaped sections 1224, 1225 is located at the bending point of the vertical section 1222 and the inclined section 1223, the depression formed by the sequential connection of the top section 112, the vertical section 1222 and the inclined section 1223 forms the chip discharge groove 106, and the side profile 1021 of the cutting tooth 102 facing the material limiting tooth 103 is greater than the side profile 1022 away from the material limiting tooth 103.
In this embodiment, as shown in fig. 4, the lower portion of the connecting portion 101 forms the chip-removing tooth 104 in an inverted triangle, the chip-removing tooth 104 has a notch 1041, an opening of the notch 1041 faces the moving direction X, a bottom surface of the notch 1041 is an arc concave surface 1042, and two ends of the arc concave surface 1042 respectively extend to the outer peripheral surface of the chip-removing tooth 104 along the moving direction X and downward. A central axis 10 perpendicular to the central connecting line is arranged between the front rivet hole and the rear rivet hole, and the notch 1041 is located in front of the central axis 10 in the running direction X.
In this embodiment, an inwardly concave U-shaped jaw 107 is formed between the material limiting tooth 103 and the cutting tooth 102.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred devices or elements must have specific orientations, be constructed and operated in specific orientations, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The present invention is not limited to the above embodiments, and those skilled in the art can implement the present invention in other embodiments according to the disclosure of the present invention, or make simple changes or modifications on the design structure and idea of the present invention, and fall into the protection scope of the present invention.
Claims (9)
1. A cutting member of a saw chain, comprising a cutting element, characterized in that: the cutting piece includes integrative connecting portion, cutting tooth and the limit material tooth that sets up, limit material tooth and cutting tooth lie in same one side of connecting portion, be provided with the rivet hole on the connecting portion, the rivet hole distributes along the direction of motion, is preceding rivet hole and back rivet hole respectively, the cutting tooth corresponds with back rivet hole, limit material tooth corresponds with preceding rivet hole, limit material tooth has a perpendicular arris towards one side of cutting tooth, perpendicular arris lies in one side that cutting tooth was kept away from to preceding rivet hole central point.
2. The cutting member of a saw chain of claim 1, wherein: the cutting piece further comprises a scrap cleaning tooth, the scrap cleaning tooth is located on the other side, opposite to the cutting tooth, of the connecting portion, and the scrap cleaning tooth is located between the front rivet hole and the rear rivet hole.
3. The cutting member of a saw chain of claim 1, wherein: the cutting tooth is provided with a sunken chip removal groove for chip removal, the cutting tooth comprises a top section with a top edge and a side section with a side edge, and the chip removal groove is located at the connection of the top section and the side section.
4. A cutting member of a saw chain according to claim 3, characterized in that: the side section is formed by extending the connecting part towards the first side of the connecting part in an inclined mode, the top section is formed by extending the top end of the side section towards the second side of the connecting part along the first direction, the first side and the second side are opposite sides of the connecting part along the first direction, and the end face of the top section exceeds the plane of the second side of the connecting part.
5. A cutting member of a saw chain according to claim 3, characterized in that: the top blade is provided with a top blade grinding surface arranged on the end face, facing the material limiting tooth, of the top section, wherein the two sides of the top blade grinding surface in the operation direction X are a top blade outer edge and a top blade inner edge respectively, the top blade outer edge is closer to the material limiting tooth than the top blade inner edge, the top blade outer edge is farther away from the connecting portion than the top blade inner edge, the included angle alpha between the connecting line of the top blade outer edge and the top blade inner edge on the end face and the central connecting line of the front rivet hole and the rear rivet hole is located in a second quadrant, and the included angle theta between the part of the top blade outer edge located on the top face and the first direction is located in a fourth quadrant.
6. A cutting member of a saw chain according to claim 3, characterized in that: the top surface of the top section is inclined in the running direction to a position far away from the connecting part, and the two ends of the top surface in the running direction have a height difference to form a cleaning area for self-cleaning.
7. A cutting member of a saw chain according to claim 3, characterized in that: the highest point of the top surface of the material limiting tooth is lower than the highest point of the top surface of the top section, and the height difference between the two forms a material limiting area.
8. A cutting member of a saw chain according to claim 3, characterized in that: the side section is provided with a vertical section connected with the top section and an inclined section connected with the connecting part, the edge of the side edge is composed of two concave arc sections, the two arc sections correspond to the vertical section and the inclined section respectively, the concave parts formed by sequentially connecting the top section, the vertical section and the inclined section form the chip discharge groove, and the profile of one side of the cutting tooth facing the material limiting tooth is larger than the profile of one side of the cutting tooth far away from the material limiting tooth.
9. A cutting member of a saw chain according to claim 2, characterized in that: the lower part of the connecting part is in an inverted triangle to form the chip cleaning tooth, the chip cleaning tooth is provided with a notch, the opening of the notch faces to the running direction, the bottom surface of the notch is an arc concave surface, and two ends of the arc concave surface respectively extend to the peripheral surface of the chip cleaning tooth along the running direction and downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211094604.8A CN115648353B (en) | 2022-09-04 | 2022-09-04 | Cutting member of saw chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211094604.8A CN115648353B (en) | 2022-09-04 | 2022-09-04 | Cutting member of saw chain |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115648353A true CN115648353A (en) | 2023-01-31 |
| CN115648353B CN115648353B (en) | 2024-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211094604.8A Active CN115648353B (en) | 2022-09-04 | 2022-09-04 | Cutting member of saw chain |
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| Country | Link |
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| CN (1) | CN115648353B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB712669A (en) * | 1952-07-23 | 1954-07-28 | Oregon Saw Chain Corp | Improvements in chain saws |
| GB956479A (en) * | 1961-04-14 | 1964-04-29 | Erno Harth | Power machine saw blades |
| GB1352091A (en) * | 1971-07-26 | 1974-05-15 | Lemery D J | Saw chain |
| EP0592389A2 (en) * | 1992-10-08 | 1994-04-13 | BÖHLER YBBSTALWERKE Ges.m.b.H. | Saw chain for motorized chain saws |
| RU2060877C1 (en) * | 1993-06-01 | 1996-05-27 | Малое предприятие "Техностиль" | Sawing chain |
| CN108723487A (en) * | 2017-04-20 | 2018-11-02 | 安德烈·斯蒂尔股份两合公司 | The file of the cutting teeth of the cutting link of saw chain, the saw chain with cutting link and rasion saw chain |
| WO2019007064A1 (en) * | 2017-07-07 | 2019-01-10 | 厦门致力金刚石科技股份有限公司 | Diamond chainsaw and forming method therefor |
| CN113580273A (en) * | 2021-06-22 | 2021-11-02 | 杭州精锋园林工具有限公司 | Electric chain saw assembly |
-
2022
- 2022-09-04 CN CN202211094604.8A patent/CN115648353B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB712669A (en) * | 1952-07-23 | 1954-07-28 | Oregon Saw Chain Corp | Improvements in chain saws |
| GB956479A (en) * | 1961-04-14 | 1964-04-29 | Erno Harth | Power machine saw blades |
| GB1352091A (en) * | 1971-07-26 | 1974-05-15 | Lemery D J | Saw chain |
| EP0592389A2 (en) * | 1992-10-08 | 1994-04-13 | BÖHLER YBBSTALWERKE Ges.m.b.H. | Saw chain for motorized chain saws |
| RU2060877C1 (en) * | 1993-06-01 | 1996-05-27 | Малое предприятие "Техностиль" | Sawing chain |
| CN108723487A (en) * | 2017-04-20 | 2018-11-02 | 安德烈·斯蒂尔股份两合公司 | The file of the cutting teeth of the cutting link of saw chain, the saw chain with cutting link and rasion saw chain |
| WO2019007064A1 (en) * | 2017-07-07 | 2019-01-10 | 厦门致力金刚石科技股份有限公司 | Diamond chainsaw and forming method therefor |
| CN113580273A (en) * | 2021-06-22 | 2021-11-02 | 杭州精锋园林工具有限公司 | Electric chain saw assembly |
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| Publication number | Publication date |
|---|---|
| CN115648353B (en) | 2024-01-02 |
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Effective date of registration: 20231210 Address after: 325000 Leshang Entrepreneurship Park, Leqing Bay Port District, Wenzhou City, Zhejiang Province Applicant after: ZHEJIANG CHAOHONG MACHINERY Co.,Ltd. Address before: 325000 Leshang Venture Park, Leqingwan Port District, Leqing City, Wenzhou City, Zhejiang Province (the third floor inside Zhejiang Chaohong Machinery Co., Ltd.) Applicant before: Zhejiang Cabeus Machinery Co.,Ltd. |
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