CN215544109U - A slant stamping die for producing steel backing in car brake block - Google Patents
A slant stamping die for producing steel backing in car brake block Download PDFInfo
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- CN215544109U CN215544109U CN202121694660.6U CN202121694660U CN215544109U CN 215544109 U CN215544109 U CN 215544109U CN 202121694660 U CN202121694660 U CN 202121694660U CN 215544109 U CN215544109 U CN 215544109U
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- tool apron
- inclined plane
- type tool
- compression spring
- fixing seat
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 29
- 239000010959 steel Substances 0.000 title claims abstract description 29
- 241000357293 Leptobrama muelleri Species 0.000 claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 230000006835 compression Effects 0.000 claims description 55
- 238000007906 compression Methods 0.000 claims description 55
- 238000010030 laminating Methods 0.000 claims description 4
- 238000004080 punching Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 5
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The application provides an oblique stamping die for producing a steel backing in an automobile brake pad, a left oblique plane on a left slide block type tool apron is in contact with a left oblique plane on an oblique plane ejector block in a fitting manner to form an oblique plane sliding pair, a right oblique plane on a right slide block type tool apron is in contact with a right oblique plane on the oblique plane ejector block in a fitting manner to form an oblique plane sliding pair, an upper template moves downwards to drive the oblique plane ejector block, the left sliding block type tool apron and the right sliding block type tool apron move downwards, the inclined plane top block is reversely pushed to move upwards after being contacted with the steel back, the inclined plane top block which moves upwards pushes the left sliding block type tool apron to slide leftwards and the right sliding block type tool apron to slide rightwards, the left sliding block type tool apron which moves downwards and leftwards drives the left cutter type punch to move downwards and leftwards, and the right sliding block type tool apron which moves downwards and rightwards drives the right cutter type punch to move downwards and rightwards, so that an inclined plane is cut on the steel back at one time; the processing quality can be ensured, the processing is completed in one step, the working procedure, the manpower and the material resources are saved, and the production efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of automobile part manufacturing and processing equipment, in particular to an oblique stamping die for producing a steel backing in an automobile brake pad.
Background
The automobile brake pad is used for generating friction action so as to achieve the aim of decelerating the automobile. The automobile brake pad is generally composed of a steel plate (steel backing), an adhesive heat-insulating layer and a friction block.
The steel backing is mainly used for fixing the friction block and is convenient to install on a brake system; because the steel plate is positioned at the back of the friction block, the steel plate is called a steel back; the brake system is not good, except the quality of the friction block, the most important thing is the steel backing behind the friction block, so the quality of the steel backing directly influences the safety of the automobile and drivers and passengers, and the quality of the automobile is directly concerned.
In the prior art, when the reverse side of a steel backing is cut to be small, two schemes are adopted: 1) the common die is slightly inclined, the waste is too large due to manual repair when the material expansion defect occurs, and the inclined large defect occurs due to manual filing, so that the efficiency is too low, workers are too tired, the processing quality is unstable and different, the manual drying is too slow, and the labor cost is too high; 2) after the small oblique part is punched by the common die, a notching procedure is added, so that manpower and material resources are wasted, and the size of a steel backing bayonet is not well guaranteed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an oblique stamping die for producing a steel backing in an automobile brake pad.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows:
a slant stamping die for producing a steel backing in an automobile brake pad comprises an upper die plate, a lower die plate, a left cutter type punch, a right cutter type punch, a left slider type tool apron, a right slider type tool apron, a tool apron fixing plate, an inclined plane jacking block, a left compression spring, a right compression spring, a vertical compression spring, a left spring fixing seat, a right spring fixing seat, a left horizontal support slide bar, a right horizontal support slide bar, a vertical support slide bar and a steel backing fixing plate;
the tool apron fixing plate is arranged on the outer surface of the bottom of the upper template, a sliding groove for linear reciprocating sliding in the left-right direction is formed in the outer surface of the bottom of the tool apron fixing plate, the top of the left slider type tool apron is embedded in the sliding groove in the tool apron fixing plate to form a sliding pair, and the top of the right slider type tool apron is embedded in the sliding groove in the tool apron fixing plate to form a sliding pair;
the left spring fixing seat is fixedly arranged on the bottom outer surface of the upper template, a horizontal direction guide through hole is formed in the left spring fixing seat, a left horizontal direction supporting slide rod is inserted into the horizontal direction guide through hole in the left spring fixing seat, the right end of the left horizontal direction supporting slide rod is fixedly arranged on the left slider type tool apron, the left compression spring is sleeved on the left horizontal direction supporting slide rod, the right end of the left compression spring is propped against the left slider type tool apron, and the left end of the left compression spring is propped against the left spring fixing seat;
the right spring fixing seat is fixedly arranged on the bottom outer surface of the upper template, a horizontal direction guide through hole is formed in the right spring fixing seat, a right horizontal direction supporting slide rod is inserted into the horizontal direction guide through hole in the right spring fixing seat, the left end of the right horizontal direction supporting slide rod is fixedly arranged on the right slider type tool apron, the right compression spring is sleeved on the right horizontal direction supporting slide rod, the left end of the right compression spring is propped against the right slider type tool apron, and the right end of the right compression spring is propped against the right spring fixing seat;
the bottom end of the vertical support sliding rod is fixedly arranged on the top outer surface of the inclined plane top block, the upper part of the vertical support sliding rod is inserted into the sliding guide through hole in the tool apron fixing plate and the sliding guide through hole in the upper template, the top end of the vertical support sliding rod is suspended on the upper template to prevent the vertical support sliding rod and the inclined plane top block from falling off the upper template, the vertical compression spring is sleeved on the vertical support sliding rod, the top end of the vertical compression spring is propped against the bottom outer surface of the tool apron fixing plate, and the bottom end of the vertical compression spring is propped against the top outer surface of the inclined plane top block;
be provided with left inclined plane on the slider formula blade holder of a left side, be provided with right inclined plane on the slider formula blade holder of the right side, just be provided with left inclined plane and right inclined plane on the inclined plane kicking block, the inclined plane kicking block is located between slider formula blade holder of a left side and the slider formula blade holder of the right side, left inclined plane on the slider formula blade holder of a left side with left inclined plane laminating contact on the inclined plane kicking block constitutes inclined plane sliding pair, right inclined plane on the slider formula blade holder of the right side with right inclined plane laminating contact on the inclined plane kicking block constitutes inclined plane sliding pair.
Preferably, the initial position of the bottom end of the left cutter type punch, the initial position of the bottom end of the right cutter type punch and the initial position of the bottom outer surface of the inclined plane top block are on the same horizontal plane.
The application provides an oblique stamping die for producing a steel backing in an automobile brake pad, which comprises an upper die plate, a lower die plate, a left cutter type punch, a right cutter type punch, a left slider type tool apron, a right slider type tool apron, a tool apron fixing plate, an inclined plane top block, a left compression spring, a right compression spring, a vertical compression spring, a left spring fixing seat, a right spring fixing seat, a left horizontal support slide bar, a right horizontal support slide bar, a vertical support slide bar and a steel backing fixing plate;
the left inclined plane on the left slider type tool apron is in fit contact with the left inclined plane on the inclined plane jacking block to form an inclined plane sliding pair, the right inclined plane on the right slider type tool apron is in fit contact with the right inclined plane on the inclined plane jacking block to form an inclined plane sliding pair, so that the upper template moves downwards to drive the inclined plane jacking block, the left slider type tool apron and the right slider type tool apron to move downwards, the inclined plane jacking block is reversely pushed to move upwards after being in contact with a steel back, the upwardly moving inclined plane jacking block pushes the left slider type tool apron to slide leftwards and pushes the right slider type tool apron to slide rightwards, the left slider type tool apron moving leftwards and downwards drives the left cutter type punch to move leftwards and downwards, and the right slider type tool apron moving rightwards and downwards drives the right cutter type punch to move rightwards;
positioning and fixing the steel back on the top outer surface of the steel back fixing plate by using a positioning pin, moving a left cutter type punch downwards and leftwards to cut an inclined plane on the steel back at one time, and moving a right cutter type punch downwards and rightwards to cut an inclined plane on the steel back at one time;
in conclusion, the steel backing processing method can ensure the quality of the processed steel backing and stabilize the product quality; the product is processed at one time, so that one procedure is saved, and manpower and material resources can be saved; the production speed and efficiency can be improved; the oblique stamping die is convenient and simple to use, easy to debug, durable and not easy to damage.
Drawings
Fig. 1 is a schematic structural diagram of an oblique stamping die for producing a steel backing in an automobile brake pad according to an embodiment of the present invention in an initial state before oblique stamping is started;
in the figure: 1, an upper template and 2, a lower template;
301 left cutter punch, 302 right cutter punch, 401 left slider tool apron, 402 right slider tool apron;
5 a cutter holder fixing plate and 6 an inclined plane jacking block;
701 left compression spring, 702 right compression spring, 703 vertical compression spring, 704 left spring fixing seat, 705 right spring fixing seat;
801, supporting a sliding rod horizontally at the left, 802, supporting a sliding rod horizontally at the right, and 803, supporting a sliding rod vertically;
and 9, fixing a steel back plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "axial," "radial," "longitudinal," "transverse," "length," "width," "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings and are only used for convenience in describing and simplifying the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.
Referring to fig. 1, in the figure: an upper template 1 and a lower template 2; a left cutter punch 301, a right cutter punch 302, a left slider tool holder 401, and a right slider tool holder 402; a cutter holder fixing plate 5 and an inclined plane top block 6; a left compression spring 701, a right compression spring 702, a vertical compression spring 703, a left spring fixing seat 704 and a right spring fixing seat 705; a left horizontal support sliding rod 801, a right horizontal support sliding rod 802 and a vertical support sliding rod 803; and a steel back fixing plate 9.
The application provides an oblique stamping die for producing a steel backing in an automobile brake pad, which comprises an upper template 1, a lower template 2, a left cutter type punch 301, a right cutter type punch 302, a left slider type tool apron 401, a right slider type tool apron 402, a tool apron fixing plate 5, an inclined plane top block 6, a left compression spring 701, a right compression spring 702, a vertical compression spring 703, a left spring fixing seat 704, a right spring fixing seat 705, a left horizontal support slide bar 801, a right horizontal support slide bar 802, a vertical support slide bar 803 and a steel backing fixing plate 9;
the tool apron fixing plate 5 is arranged on the bottom outer surface of the upper die plate 1, a sliding groove for linear reciprocating sliding in the left-right direction is arranged on the bottom outer surface of the tool apron fixing plate 5, the top of the left slider type tool apron 401 is embedded in the sliding groove on the tool apron fixing plate 5 to form a sliding pair, and the top of the right slider type tool apron 402 is embedded in the sliding groove on the tool apron fixing plate 5 to form a sliding pair, so that the left slider type tool apron 401 and the right slider type tool apron 402 can respectively slide in the sliding groove in the left-right direction in a linear reciprocating manner when being subjected to external force;
the left spring fixing seat 704 is fixedly arranged on the outer surface of the bottom of the upper template 1, a horizontal guide through hole is arranged on the left spring fixing seat 704, the left horizontal support sliding rod 801 is inserted into the horizontal guide through hole on the left spring fixing seat 704, and the right end of the left horizontal support sliding rod 801 is fixedly arranged on the left slider type tool apron 401, the left compression spring 701 is sleeved on the left horizontal support sliding rod 801, the right end of the left compression spring 701 abuts against the left slider type tool apron 401, the left end of the left compression spring 701 abuts against the left spring fixing seat 704, the left compression spring 701 after compression deformation pushes the left slider type tool apron 401 to slide rightwards so as to drive the left horizontal direction supporting slide rod 801 to move rightwards;
the right spring fixing seat 705 is fixedly arranged on the outer surface of the bottom of the upper template 1, a horizontal guide through hole is arranged on the right spring fixing seat 705, the right horizontal support sliding rod 802 is inserted into the horizontal guide through hole of the right spring fixing seat 705, and the left end of the right horizontal support sliding rod 802 is fixedly arranged on the right slider type tool apron 402, the right compression spring 702 is sleeved on the right horizontal support sliding rod 802, the left end of the right compression spring 702 is propped against the right slider type tool apron 402, the right end of the right compression spring 702 is propped against the right spring fixing seat 705, so that the right slider type tool apron 402 slides rightwards to drive the right horizontal supporting slide bar 802 to move rightwards, and then the right compression spring 702 is compressed and deformed, and the compressed and deformed right compression spring 702 pushes the right slider type tool apron 402 to slide leftwards, so as to drive the right horizontal supporting slide bar 802 to move leftwards;
the bottom end of the vertical support sliding rod 803 is fixedly arranged on the top outer surface of the inclined plane top block 6, the upper part of the vertical support sliding rod 803 is inserted into the sliding guide through hole on the tool apron fixing plate 5 and the sliding guide through hole on the upper template 1, the top end of the vertical support sliding rod 803 is suspended on the upper template 1 to prevent the vertical support sliding rod 803 and the inclined plane top block 6 from falling off from the upper template 1, the vertical compression spring 703 is sleeved on the vertical support sliding rod 803, the top end of the vertical compression spring 703 is pressed on the bottom outer surface of the tool apron fixing plate 5, and the bottom end of the vertical compression spring 703 is pressed on the top outer surface of the inclined plane top block 6, so that the upper template 1 moves downwards to drive the vertical support sliding rod 803 to move downwards and further drive the inclined plane top block 6 to move downwards, the inclined plane top block 6 is reversely pushed to move upwards after contacting with the steel back, the inclined plane top block 6 moving upwards drives the vertical support sliding rod 803 to slide upwards in the sliding guide through hole, the inclined plane top block 6 moving upwards compresses and deforms the vertical compression spring 703, and the vertical compression spring 703 after compression deformation pushes the inclined plane top block 6 to move downwards until the inclined plane top block returns to the initial position;
a left inclined plane is arranged on the left slider type tool apron 401, a right inclined plane is arranged on the right slider type tool apron 402, a left inclined plane and a right inclined plane are arranged on the inclined plane ejecting block 6, the inclined plane ejecting block 6 is positioned between the left slider type tool apron 401 and the right slider type tool apron 402, the left inclined plane on the left slider type tool apron 401 is in fit contact with the left inclined plane on the inclined plane ejecting block 6 to form an inclined plane sliding pair, the right inclined plane on the right slider type tool apron 402 is in fit contact with the right inclined plane on the inclined plane ejecting block 6 to form an inclined plane sliding pair, so that the upper template 1 moves downwards to drive the inclined plane ejecting block 6, the left slider type tool apron 401 and the right slider type tool apron 402 to move downwards, the inclined plane ejecting block 6 is reversely pushed to move upwards after being in contact with a steel back, and the inclined plane ejecting block 6 moving upwards pushes the left slider type tool apron 401 to slide leftwards and pushes the right slider type tool apron 402 to move rightwards When the left slider type tool apron 401 slides and moves downwards and leftwards, the left cutter type punch 301 is driven to move downwards and leftwards, and the right slider type tool apron 402 moves downwards and rightwards, the right cutter type punch 302 is driven to move downwards and rightwards.
In one embodiment of the present application, the initial position of the bottom end of the left cutter punch 301, the initial position of the bottom end of the right cutter punch 302, and the initial position of the bottom outer surface of the bevel top block 6 are on the same horizontal plane.
The application provides an oblique stamping die for producing a steel backing in an automobile brake pad, which comprises an upper template 1, a lower template 2, a left cutter type punch 301, a right cutter type punch 302, a left slider type tool apron 401, a right slider type tool apron 402, a tool apron fixing plate 5, an inclined plane top block 6, a left compression spring 701, a right compression spring 702, a vertical compression spring 703, a left spring fixing seat 704, a right spring fixing seat 705, a left horizontal support slide bar 801, a right horizontal support slide bar 802, a vertical support slide bar 803 and a steel backing fixing plate 9;
the left inclined plane on the left slider type tool apron 401 is in contact with the left inclined plane on the inclined plane top block 6 to form an inclined plane sliding pair, the right inclined plane on the right slider type tool apron 402 is in contact with the right inclined plane on the inclined plane top block 6 to form an inclined plane sliding pair, so that the upper die plate 1 moves downwards to drive the inclined plane top block 6, the left slide block type tool apron 401 and the right slide block type tool apron 402 to move downwards, the inclined plane top block 6 is reversely pushed to move upwards after contacting the steel backing, the inclined plane top block 6 moving upwards pushes the left slider type tool apron 401 to slide leftwards and pushes the right slider type tool apron 402 to slide rightwards, the left slider type tool apron 401 moving downwards and leftwards drives the left cutter type punch 301 to move downwards and leftwards, and the right slider type tool apron 402 moving downwards and rightwards drives the right cutter type punch 302 to move downwards and rightwards;
positioning and fixing the steel back on the top outer surface of the steel back fixing plate 9 by using a positioning pin, moving a left cutter type punch 301 downwards and leftwards to cut an inclined plane on the steel back at one time, and moving a right cutter type punch 302 downwards and rightwards to cut an inclined plane on the steel back at one time;
in conclusion, the steel backing processing method can ensure the quality of the processed steel backing and stabilize the product quality; the product is processed at one time, so that one procedure is saved, and manpower and material resources can be saved; the production speed and efficiency can be improved; the oblique stamping die is convenient and simple to use, easy to debug, durable and not easy to damage.
Methods and devices not described in detail in the present invention are all the prior art and are not described in detail.
The principles and embodiments of the present invention are explained herein using specific examples, which are set forth only to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (2)
1. The oblique stamping die for producing the steel back in the automobile brake pad is characterized by comprising an upper die plate, a lower die plate, a left cutter type punch, a right cutter type punch, a left slider type tool apron, a right slider type tool apron, a tool apron fixing plate, an inclined plane top block, a left compression spring, a right compression spring, a vertical compression spring, a left spring fixing seat, a right spring fixing seat, a left horizontal support sliding rod, a right horizontal support sliding rod, a vertical support sliding rod and a steel back fixing plate;
the tool apron fixing plate is arranged on the outer surface of the bottom of the upper template, a sliding groove for linear reciprocating sliding in the left-right direction is formed in the outer surface of the bottom of the tool apron fixing plate, the top of the left slider type tool apron is embedded in the sliding groove in the tool apron fixing plate to form a sliding pair, and the top of the right slider type tool apron is embedded in the sliding groove in the tool apron fixing plate to form a sliding pair;
the left spring fixing seat is fixedly arranged on the bottom outer surface of the upper template, a horizontal direction guide through hole is formed in the left spring fixing seat, a left horizontal direction supporting slide rod is inserted into the horizontal direction guide through hole in the left spring fixing seat, the right end of the left horizontal direction supporting slide rod is fixedly arranged on the left slider type tool apron, the left compression spring is sleeved on the left horizontal direction supporting slide rod, the right end of the left compression spring is propped against the left slider type tool apron, and the left end of the left compression spring is propped against the left spring fixing seat;
the right spring fixing seat is fixedly arranged on the bottom outer surface of the upper template, a horizontal direction guide through hole is formed in the right spring fixing seat, a right horizontal direction supporting slide rod is inserted into the horizontal direction guide through hole in the right spring fixing seat, the left end of the right horizontal direction supporting slide rod is fixedly arranged on the right slider type tool apron, the right compression spring is sleeved on the right horizontal direction supporting slide rod, the left end of the right compression spring is propped against the right slider type tool apron, and the right end of the right compression spring is propped against the right spring fixing seat;
the bottom end of the vertical support sliding rod is fixedly arranged on the top outer surface of the inclined plane top block, the upper part of the vertical support sliding rod is inserted into the sliding guide through hole in the tool apron fixing plate and the sliding guide through hole in the upper template, the top end of the vertical support sliding rod is suspended on the upper template to prevent the vertical support sliding rod and the inclined plane top block from falling off the upper template, the vertical compression spring is sleeved on the vertical support sliding rod, the top end of the vertical compression spring is propped against the bottom outer surface of the tool apron fixing plate, and the bottom end of the vertical compression spring is propped against the top outer surface of the inclined plane top block;
be provided with left inclined plane on the slider formula blade holder of a left side, be provided with right inclined plane on the slider formula blade holder of the right side, just be provided with left inclined plane and right inclined plane on the inclined plane kicking block, the inclined plane kicking block is located between slider formula blade holder of a left side and the slider formula blade holder of the right side, left inclined plane on the slider formula blade holder of a left side with left inclined plane laminating contact on the inclined plane kicking block constitutes inclined plane sliding pair, right inclined plane on the slider formula blade holder of the right side with right inclined plane laminating contact on the inclined plane kicking block constitutes inclined plane sliding pair.
2. The oblique punching die for manufacturing a steel backing in an automobile brake pad according to claim 1, wherein the initial position of the bottom end of the left cutter type punch, the initial position of the bottom end of the right cutter type punch, and the initial position of the bottom outer surface of the inclined plane top block are on the same horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121694660.6U CN215544109U (en) | 2021-07-23 | 2021-07-23 | A slant stamping die for producing steel backing in car brake block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121694660.6U CN215544109U (en) | 2021-07-23 | 2021-07-23 | A slant stamping die for producing steel backing in car brake block |
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| Publication Number | Publication Date |
|---|---|
| CN215544109U true CN215544109U (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121694660.6U Active CN215544109U (en) | 2021-07-23 | 2021-07-23 | A slant stamping die for producing steel backing in car brake block |
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| CN (1) | CN215544109U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120460611A (en) * | 2025-06-30 | 2025-08-12 | 临沂云鸿车业有限公司 | A universal stamping die suitable for multiple types of brake pad back plates |
-
2021
- 2021-07-23 CN CN202121694660.6U patent/CN215544109U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120460611A (en) * | 2025-06-30 | 2025-08-12 | 临沂云鸿车业有限公司 | A universal stamping die suitable for multiple types of brake pad back plates |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An oblique stamping die for producing steel backing in automobile brake pads Effective date of registration: 20230221 Granted publication date: 20220118 Pledgee: Postal Savings Bank of China Limited Linyi Branch Pledgor: LINYI GAISHI MACHINERY Co.,Ltd. Registration number: Y2023980033068 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |