CN104190987A - Pressing and punching mechanism special for lock cylinder - Google Patents
Pressing and punching mechanism special for lock cylinder Download PDFInfo
- Publication number
- CN104190987A CN104190987A CN201410420164.XA CN201410420164A CN104190987A CN 104190987 A CN104190987 A CN 104190987A CN 201410420164 A CN201410420164 A CN 201410420164A CN 104190987 A CN104190987 A CN 104190987A
- Authority
- CN
- China
- Prior art keywords
- clamping
- groove
- cylinder
- fixed head
- lock core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000003825 pressing Methods 0.000 title claims abstract description 14
- 238000004080 punching Methods 0.000 title abstract description 4
- 238000009434 installation Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Electrolytic Production Of Metals (AREA)
Abstract
A pressing and punching mechanism special for a lock cylinder comprises a clamping device, and the two sides of the clamping device are respectively provided with a punching mechanism. The structure of the clamping device is that stand columns which are vertically placed at intervals are included, a cover plate is fixed at the upper ends of the stand columns, a telescopic air cylinder is mounted below the cover plate, the output end of the telescopic air cylinder is fixedly connected with a vertical plate, and a clamping set is mounted on the outer side of the vertical plate; a clamping seat is further included, the clamping seat is of a right angle structure, a through groove for clamping the lock cylinder is formed in the top of a first right angle arm of the clamping seat, a boss is arranged at one end of the through groove in an extending mode, the boss is fixedly provided with a pressing block, the bottom of the pressing block is provided with a pressing grove, and the pressing groove and the through groove form a penetrating groove allowing the lock cylinder to penetrate through; the two sides of a second right angle arm placed on the clamping seat are respectively and fixedly connected with a first fixing plate, the first fixing plates are connected with a second fixing plate through guide columns, a longitudinal air cylinder is fixed on the inner side of the clamping seat, the output end of the clamping seat is connected with a supporting block assembly, and the top of the supporting block assembly is clamped in the through groove. The working efficiency is high.
Description
Technical field
The present invention relates to perforating mechanism technical field, the special-purpose perforating mechanism that compresses of especially a kind of lock core.
Background technology
Lock core is to control the major part that lock is opened, and is the heart of lockset, refers to the supporting core that can rotate and drive locking bolt motion of key.In the machining process of lock core, lock core need to be clamped, then, to operations such as its punchings, clamp mechanism functional reliability of the prior art is poor, inefficiency, the machining accuracy of lock core is difficult to guarantee.
Summary of the invention
The applicant, for the shortcoming in above-mentioned existing production technology, provides a kind of lock core rational in infrastructure the special-purpose perforating mechanism that compresses, thereby improves dependability, increases work efficiency.
The technical solution adopted in the present invention is as follows:
The special-purpose perforating mechanism that compresses of lock core, comprises clamping device, and perforating mechanism is installed respectively in the both sides of described clamping device; The structure of described clamping device is: comprise clamp mechanism, front end and the rear end of described clamp mechanism are respectively arranged with conveying mechanism; The structure of described clamp mechanism is: comprise the column that vertically place at interval, described column upper end securing cover plate, described cover plate below is provided with telescopic cylinder, the affixed riser of output of described telescopic cylinder, clamping group is installed in described riser outside, the structure of described clamping group is: comprise the clamping cylinder fixing with riser, described clamping cylinder lower end is connected with respectively the first clamp arm and the second clamp arm by installing plate; Also comprise the 3rd fixed head, the bottom of described the 3rd fixed head is provided with lift cylinder, clamping seats is installed at the top of described the 3rd fixed head, the described clamping seats shape structure that meets at right angles, the first right angle arm top of clamping seats offers the groove of clamping lock core, is positioned at groove one end and is extended with boss, on described boss, is fixed with compact heap, described compact heap bottom offers pressing groove, and described pressing groove and groove form the break-through groove through lock core; Be positioned at clamping seats the first right angle arm sidepiece and be also connected with auxiliary clamp piece, described the first clamp arm and compact heap top butt, described the second clamp arm is through the clamping slot of auxiliary clamp piece, and with compact heap top butt; Be positioned at affixed first fixed head of both sides difference of the second right angle arm of clamping seats, described the first fixed head is connected with the second fixed head by guide pillar, the fixing longitudinal cylinder in inner side of described the second fixed head, the output of described longitudinal cylinder connects back-up block assembly, and described back-up block assembly top card is in groove; The structure of described conveying mechanism is: comprise the bracing frame of vertically laying, with bracing frame outside vertical, motor is installed, the top of support frame as described above is arranged at intervals with support plate, and described support plate two ends are provided with roller, between two rollers, conveyer belt is installed; The structure of described perforating mechanism is: comprise base plate, installation frame on described base plate, be positioned on the base plate of framework, by slipping mechanism, slide plate be installed, fixing reductor on described slide plate, the output of described reductor is installed drill bit, the one end that is positioned at framework is also fixed with propelling movement cylinder, and the output of described propelling movement cylinder is connected with slide plate.
Further improvement as technique scheme:
Described auxiliary clamp piece middle part has draw-in groove, and the top vertical direction that is positioned at draw-in groove arranges the clamping slot through the second clamp arm.
The structure of described back-up block assembly is: comprise base, be extended with F type back-up block on described base, described F type back-up block is arranged in groove.
Beneficial effect of the present invention is as follows:
Compact conformation of the present invention, reasonable, easy to operate, first clamps lock core by clamping device, and then perforating mechanism punches to lock core two ends respectively, easy and simple to handle, and operating efficiency is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the application drawing of clamping device of the present invention.
Fig. 3 is the structural representation of clamp mechanism of the present invention.
Fig. 4 is the structural representation of clamping seats of the present invention.
The structural representation of Fig. 5 clamping group of the present invention.
The structural representation of Fig. 6 compact heap of the present invention.
The structural representation of Fig. 7 auxiliary clamp piece of the present invention.
The structural representation of Fig. 8 back-up block of the present invention.
Fig. 9 is the structural representation of perforating mechanism of the present invention.
Wherein: 1, lock core; 2, support plate; 3, column; 4, cover plate; 5, telescopic cylinder; 6, riser; 7, clamping group; 701, clamping cylinder; 702, installing plate; 703, the first clamp arm; 704, the second clamp arm; 8, auxiliary clamp piece; 801, clamping slot; 802, draw-in groove; 9, compact heap; 901, pressing groove; 10, clamping seats; 1001, groove; 1002, boss; 11, the first fixed head; 12, back-up block assembly; 1201, F type back-up block; 1202, base; 13, longitudinal cylinder; 14, the second fixed head; 15, the 3rd fixed head; 16, lift cylinder; 17, bracing frame; 18, motor; 19, roller; 20, perforating mechanism; 21, clamping device; 201, push cylinder; 202, slide plate; 203, framework; 204, base plate; 205, reductor.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 7, the special-purpose perforating mechanism that compresses of lock core of the present embodiment, comprises clamping device 21, perforating mechanism 20 is installed respectively in the both sides of clamping device 21; The structure of clamping device 21 is: comprise clamp mechanism, front end and the rear end of clamp mechanism are respectively arranged with conveying mechanism; The structure of clamp mechanism is: comprise the column 3 that vertically place at interval, column 3 upper end securing cover plates 4, cover plate 4 belows are provided with telescopic cylinder 5, the affixed riser 6 of output of telescopic cylinder 5, clamping group 7 is installed in riser 6 outsides, the structure of clamping group 7 is: comprise the clamping cylinder 701 fixing with riser 6, clamping cylinder 701 lower ends are connected with respectively the first clamp arm 703 and the second clamp arm 704 by installing plate 702; Also comprise the 3rd fixed head 15, the bottom of the 3rd fixed head 15 is provided with lift cylinder 16, clamping seats 10 is installed at the top of the 3rd fixed head 15, the clamping seats 10 shape structure that meets at right angles, the first right angle arm top of clamping seats 10 offers the groove 1001 of clamping lock core 1, is positioned at groove 1001 one end and is extended with boss 1002, is fixed with compact heap 9 on boss 1002, compact heap 9 bottoms offer pressing groove 901, pressing groove 901 and the break-through groove of groove 1001 formation through lock core 1; Be positioned at clamping seats 10 first right angle arm sidepieces and be also connected with auxiliary clamp piece 8, the first clamp arms 703 and compact heap 9 top butts, the second clamp arm 704 is through the clamping slot 801 of auxiliary clamp piece 8, and with compact heap 9 top butts; Be positioned at affixed first fixed head 11 of both sides difference of the second right angle arm of clamping seats 10, the first fixed head 11 is connected with the second fixed head 14 by guide pillar, the fixing longitudinal cylinder 13 in inner side of the second fixed head 14, longitudinally the output of cylinder 13 connects back-up block assembly 12, and back-up block assembly 12 top card are in groove 1001; The structure of conveying mechanism is: comprise the bracing frame 17 of vertically laying, with bracing frame 17 outside vertical, motor 18 is installed, the top of bracing frame 17 is arranged at intervals with support plate 2, and support plate 2 two ends are provided with between 19, two rollers 19 of roller conveyer belt is installed; As shown in Figure 9, the structure of perforating mechanism 20 is: comprise base plate 204, on base plate 204, installation frame 203, be positioned on the base plate 204 of framework 203, by slipping mechanism, slide plate 202 be installed, fixing reductor 205 on slide plate 202, the output of reductor 205 is installed drill bit, and the one end that is positioned at framework 203 is also fixed with and pushes cylinder 201, and the output that pushes cylinder 201 is connected with slide plate 202.
As shown in Figure 6, auxiliary clamp piece 8 middle parts have draw-in groove 802, and the top vertical direction that is positioned at draw-in groove 802 arranges the clamping slot 801 through the second clamp arm 704.
As shown in Figure 8, the structure of back-up block assembly 12 is: comprise base 1202, be extended with F type back-up block 1201 on base 1202, F type back-up block 1201 is arranged in groove 1001.
Running of the present invention is as follows: first, clamping device 21 running, the lock core workpiece that starter motor 18 steps up processing by band pushes to by the conveyer belt on roller 19 (not shown in FIG.) in the crack of groove 1001 of clamping seats 10; When starting longitudinal cylinder 13 and driving back-up block assemblies 12 to make lock core workpiece movable to assigned address, thereby start the proper height that lift cylinder 16 is adjusted the height adjustment lock core workpiece of clamping seats 10; Start clamping cylinder 701, make the first clamp arm 703 compress compact heap 9, the second clamp arms 704 through the clamping slot 801 of auxiliary clamp piece 8, compress auxiliary clamp piece 8, thereby the complete butt in lock core workpiece top is fixed in pressing groove 901; Perforating mechanism 20 work, punches to lock core 1, after the operation such as punch finishes, by conveying mechanism, workpiece is delivered to next step operation and processes.Be applicable to streamline processing, operating efficiency is high.
More than describing is explanation of the invention, is not the restriction to invention, and limited range of the present invention, referring to claim, within protection scope of the present invention, can be done any type of modification.
Claims (3)
1. the special-purpose perforating mechanism that compresses of lock core, is characterized in that: comprise clamping device (21), perforating mechanism (20) is installed respectively in the both sides of described clamping device (21), the structure of described clamping device (21) is: comprise clamp mechanism, front end and the rear end of described clamp mechanism are respectively arranged with conveying mechanism, the structure of described clamp mechanism is: comprise the column (3) that vertically place at interval, described column (3) upper end securing cover plate (4), described cover plate (4) below is provided with telescopic cylinder (5), the affixed riser of output (6) of described telescopic cylinder (5), clamping group (7) is installed in described riser (6) outside, the structure of described clamping group (7) is: comprise the clamping cylinder (701) fixing with riser (6), described clamping cylinder (701) lower end is connected with respectively the first clamp arm (703) and the second clamp arm (704) by installing plate (702), also comprise the 3rd fixed head (15), the bottom of described the 3rd fixed head (15) is provided with lift cylinder (16), clamping seats (10) is installed at the top of described the 3rd fixed head (15), described clamping seats (10) the shape structure that meets at right angles, the first right angle arm top of clamping seats (10) offers the groove (1001) of clamping lock core (1), be positioned at groove (1001) one end and be extended with boss (1002), on described boss (1002), be fixed with compact heap (9), described compact heap (9) bottom offers pressing groove (901), described pressing groove (901) forms the break-through groove through lock core (1) with groove (1001), be positioned at clamping seats (10) first right angle arm sidepieces and be also connected with auxiliary clamp piece (8), described the first clamp arm (703) and compact heap (9) top butt, described the second clamp arm (704) is through the clamping slot (801) of auxiliary clamp piece (8), and with compact heap (9) top butt, be positioned at both sides difference affixed first fixed head (11) of the second right angle arm of clamping seats (10), described the first fixed head (11) is connected with the second fixed head (14) by guide pillar, the fixing longitudinal cylinder (13) in inner side of described the second fixed head (14), the output of described longitudinal cylinder (13) connects back-up block assembly (12), and described back-up block assembly (12) top card is in groove (1001), the structure of described conveying mechanism is: comprise the bracing frame (17) of vertically laying, with bracing frame (17) outside vertical, motor (18) is installed, the top of support frame as described above (17) is arranged at intervals with support plate (2), described support plate (2) two ends are provided with roller (19), between two rollers (19), conveyer belt are installed, the structure of described perforating mechanism (20) is: comprise base plate (204), the upper installation frame (203) of described base plate (204), the base plate (204) that is positioned at framework (203) is above installed slide plate (202) by slipping mechanism, the upper fixedly reductor (205) of described slide plate (202), the output of described reductor (205) is installed drill bit, the one end that is positioned at framework (203) is also fixed with and pushes cylinder (201), and the output of described propelling movement cylinder (201) is connected with slide plate (202).
2. lock core special use as claimed in claim 1 compresses perforating mechanism, it is characterized in that: described auxiliary clamp piece (8) middle part has draw-in groove (802), the top vertical direction that is positioned at draw-in groove (802) arranges the clamping slot (801) through the second clamp arm (704).
3. lock core special use as claimed in claim 1 compresses perforating mechanism, it is characterized in that: the structure of described back-up block assembly (12) is: comprise base (1202), on described base (1202), be extended with F type back-up block (1201), described F type back-up block (1201) is arranged in groove (1001).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410420164.XA CN104190987B (en) | 2014-08-25 | 2014-08-25 | The special compression perforating mechanism of lock core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410420164.XA CN104190987B (en) | 2014-08-25 | 2014-08-25 | The special compression perforating mechanism of lock core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104190987A true CN104190987A (en) | 2014-12-10 |
| CN104190987B CN104190987B (en) | 2016-06-08 |
Family
ID=52076434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410420164.XA Active CN104190987B (en) | 2014-08-25 | 2014-08-25 | The special compression perforating mechanism of lock core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104190987B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110560729A (en) * | 2019-09-12 | 2019-12-13 | 济南中船设备有限公司 | Bolt end face drilling device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6725697B1 (en) * | 2002-06-28 | 2004-04-27 | Kkevin P. Leadon | Keyway cylinder plug removal tool for a safety deposit box |
| CN101085471A (en) * | 2007-07-14 | 2007-12-12 | 徐炜 | Lock body automatic drilling pipelining and processing method |
| CN102009203A (en) * | 2010-11-09 | 2011-04-13 | 温州杰拓数控设备有限公司 | Lock core shell billiard hole drilling machine of numerical control mortise lock |
| CN103495868A (en) * | 2013-09-30 | 2014-01-08 | 无锡众望四维科技有限公司 | Lock cylinder automatic machining device |
| CN204135390U (en) * | 2014-08-25 | 2015-02-04 | 无锡众望四维科技有限公司 | The special compression perforating mechanism of lock core |
-
2014
- 2014-08-25 CN CN201410420164.XA patent/CN104190987B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6725697B1 (en) * | 2002-06-28 | 2004-04-27 | Kkevin P. Leadon | Keyway cylinder plug removal tool for a safety deposit box |
| CN101085471A (en) * | 2007-07-14 | 2007-12-12 | 徐炜 | Lock body automatic drilling pipelining and processing method |
| CN102009203A (en) * | 2010-11-09 | 2011-04-13 | 温州杰拓数控设备有限公司 | Lock core shell billiard hole drilling machine of numerical control mortise lock |
| CN103495868A (en) * | 2013-09-30 | 2014-01-08 | 无锡众望四维科技有限公司 | Lock cylinder automatic machining device |
| CN204135390U (en) * | 2014-08-25 | 2015-02-04 | 无锡众望四维科技有限公司 | The special compression perforating mechanism of lock core |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110560729A (en) * | 2019-09-12 | 2019-12-13 | 济南中船设备有限公司 | Bolt end face drilling device |
| CN110560729B (en) * | 2019-09-12 | 2020-10-16 | 济南中船设备有限公司 | Bolt end face drilling device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104190987B (en) | 2016-06-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ke Xueli Inventor before: Dong Zhongwei |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20170926 Address after: 538004 Lingang Industrial Zone, southwest port area, Fangchenggang, the Guangxi Zhuang Autonomous Region Patentee after: GUANGXI SHENGLONG METALLURGICAL CO.,LTD. Address before: 214101 No. three, No. 99, Furong Road, Xishan Economic Development Zone, Jiangsu, Wuxi Patentee before: Wuxi Zhongwang Four-dimensional Technology Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Special pressing and punching mechanism for lock cylinder Effective date of registration: 20211203 Granted publication date: 20160608 Pledgee: Bank of Guilin Co.,Ltd. Fangchenggang branch Pledgor: GUANGXI SHENGLONG METALLURGICAL CO.,LTD. Registration number: Y2021450000056 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220714 Granted publication date: 20160608 Pledgee: Bank of Guilin Co.,Ltd. Fangchenggang branch Pledgor: GUANGXI SHENGLONG METALLURGICAL CO.,LTD. Registration number: Y2021450000056 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Special pressing and punching mechanism for lock cylinder Effective date of registration: 20220719 Granted publication date: 20160608 Pledgee: Bank of Guilin Co.,Ltd. Fangchenggang branch Pledgor: GUANGXI SHENGLONG METALLURGICAL CO.,LTD. Registration number: Y2022450000096 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231222 Granted publication date: 20160608 Pledgee: Bank of Guilin Co.,Ltd. Fangchenggang branch Pledgor: GUANGXI SHENGLONG METALLURGICAL CO.,LTD. Registration number: Y2022450000096 |