CN114602602B - Brick hammer breaker with hammer head and sieve plate easy to replace - Google Patents
Brick hammer breaker with hammer head and sieve plate easy to replace Download PDFInfo
- Publication number
- CN114602602B CN114602602B CN202210123046.7A CN202210123046A CN114602602B CN 114602602 B CN114602602 B CN 114602602B CN 202210123046 A CN202210123046 A CN 202210123046A CN 114602602 B CN114602602 B CN 114602602B
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- Prior art keywords
- hammer
- sieve
- groups
- machine body
- main shaft
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- 239000011449 brick Substances 0.000 title claims abstract description 25
- 241000251131 Sphyrna Species 0.000 claims abstract description 7
- 230000001681 protective effect Effects 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 7
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 7
- 241001330002 Bambuseae Species 0.000 claims description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 7
- 239000011425 bamboo Substances 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims 1
- 238000012545 processing Methods 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000004566 building material Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/13—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft and combined with sifting devices, e.g. for making powdered fuel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/282—Shape or inner surface of mill-housings
- B02C13/284—Built-in screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention discloses a brick hammer breaker easy to replace hammer heads and sieve plates, which comprises a machine body, wherein two groups of bearing seats are arranged on two sides of the machine body, a main shaft is arranged between the two groups of bearing seats, a plurality of groups of rotating discs are sleeved outside the main shaft, connecting sleeves are welded at the middle parts of the rotating discs, four groups of mounting cylinders are welded around the rotating discs, breaking hammers are arranged between the corresponding mounting cylinders on the two groups of rotating discs through connecting shaft clamps, the front part of the machine body is movably connected with a sieve plate door through a hinge, a detachable sieve plate is arranged in the sieve plate door, two groups of mounting hydraulic rods are arranged on the right side of the machine body, and two groups of dismounting hydraulic rods are arranged on the left side of the machine body.
Description
Technical Field
The invention relates to the technical field related to building material production, in particular to a brick hammer breaker with easily replaced hammer heads and sieve plates.
Background
Along with the rapid development of society, the urban process is faster and faster, the construction sweat is more and more prosperous, civil construction is carried out in all places of the country, and a plurality of problems are caused, so that a plurality of broken bricks are generated in the transportation and use process of the building materials required by the house construction, the broken bricks are discarded, and a large number of damaged bricks are generated when the old building is dismantled.
These bricks are difficult to reuse, and most of them are buried as construction waste, which is extremely wasteful, and therefore a brick hammer breaker capable of breaking the bricks into brick fragments is required.
However, the existing brick hammer crusher still has a plurality of defects, the hammer head is easy to be worn after being used for a long time and collided with bricks, the hammer head can not be used even if being worn seriously, the replacement of the hammer head is extremely troublesome, the hammer head is replaced by adopting a shaft drawing method at present, the efficiency is low, the efficiency is troublesome, and the replacement of the sieve plate is also more laborious and troublesome after being worn.
Disclosure of Invention
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a brick hammer breaker of easily changing tup and sieve, includes the fuselage, there is the upper casing top through hinge swing joint on the fuselage, it has the feed inlet of forward slope to go up the casing top and open, it is fixed through fixing bolt between fuselage and the upper casing, the fuselage both sides are provided with two sets of bearing frames, install the main shaft between two sets of bearing frames, the band pulley is installed to main shaft one end, the main shaft overcoat has multiunit rolling disc, the welding of rolling disc middle part has connecting sleeve, the welding has four sets of installation section of thick bamboo all around, be equipped with the quartering hammer through the connecting axle card between the installation section of thick bamboo that corresponds on two sets of rolling discs, spindle left end rolling disc one side threaded connection has the screw sleeve, be provided with the pivot protective housing between bearing frame and the fuselage on fuselage right side, the pivot protective housing is provided with the protective housing through hinge swing joint, the fuselage front portion is provided with the sieve door through hinge swing joint, the inside can dismantle that is provided with of sieve, the fuselage right side is provided with two sets of installation hydraulic bars, the fuselage left side is provided with two sets of hydraulic bars and dismantles.
Furthermore, a plurality of groups of L-shaped grooves are formed in the main shaft and are communicated by the straight grooves, and two groups of symmetrical connecting keys are machined in the connecting sleeve.
Further, the connecting sleeve right-hand member processing has the connecting fixture block, the left side processing of connecting sleeve has the spread groove, the connecting fixture block overcoat has first dustproof packing ring, threaded sleeve right-hand member processing has dustproof fixture block, the connecting sleeve left end processing on the rolling disc of left end has dustproof draw-in groove, install second dustproof packing ring between dustproof fixture block and dustproof draw-in groove (20).
Further, enough breaking hammer installation gaps are reserved between the leftmost rotating disc and the machine body.
Further, a plurality of fine screening bars (35) are cut and processed on the detachable screen plate, and reinforcing rods (36) are connected between the screening bars.
Further, four rollers are installed at the bottom of the detachable screen plate, and a buffer slope is arranged at the front end of the screen plate door.
Further, the rear part of the machine body is penetrated with a sieve plate hydraulic rod, two sides of the sieve plate hydraulic rod are penetrated with two threaded rods, the rear end of each threaded rod is welded with a cross rotating handle, and a threaded connecting cylinder is welded at the corresponding position on the detachable sieve plate.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the L-shaped groove is matched with the connecting key on the rotating disc, and the breaking hammer is integrally arranged without a shaft, so that the shaft is not required to be pulled out when the hammer head is replaced, and the hydraulic rod is matched and detached, so that time and labor are saved;
2. according to the invention, the screen plate is easy and convenient to detach and install by arranging the detachable screen plate, so that the manpower is greatly saved.
Drawings
FIG. 1 is a schematic diagram of the front structure of the present invention;
FIG. 2 is a schematic view of the back structure of the present invention;
FIG. 3 is a schematic view of an upper housing open structure of the present invention;
FIG. 4 is a schematic cross-sectional view of a screen panel installation structure of the present invention;
FIG. 5 is a schematic view of the spindle and rotor disk mounting structure of the present invention;
fig. 6 is a schematic view of a connection structure between rotating discs according to the present invention.
Reference numerals in the drawings: 1. a body; 2. an upper housing; 3. a feed inlet; 4. a fixing bolt; 5. a bearing seat; 6. a main shaft; 7. an L-shaped groove; 8. a straight groove; 9. a rotating disc; 10. a connecting sleeve; 11. a connecting key; 12. connecting a clamping block; 13. a connecting groove; 14. a first dust gasket; 15. a mounting cylinder; 16. a connecting shaft; 17. a breaking hammer; 18. a threaded sleeve; 19. a dustproof clamping block; 20. a dust-proof clamping groove; 21. a second dust gasket; 22. a rotating shaft protective box; 23. a protective case cover; 24. a screen plate door; 25. a detachable screen plate; 26. a roller; 27. a screen plate hydraulic rod; 28. a threaded rod; 29. a cross stem; 30. a threaded connection barrel; 31. buffering the slope; 32. a belt wheel; 33. installing a hydraulic rod; 34. disassembling the hydraulic rod; 35. a screen bar; 36. and a reinforcing rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, a brick hammer breaker with easily replaceable hammer heads and screen plates comprises the following steps:
example 1:
brick hammer breaker of easily changing tup and sieve, including fuselage 1, its characterized in that: the upper part of the machine body 1 is movably connected with an upper machine shell 2 through a hinge, the top of the upper machine shell 2 is provided with a feed inlet 3 which is inclined forwards, the machine body 1 and the upper machine shell 2 are fixed through a fixing bolt 4, two groups of bearing seats 5 are arranged on two sides of the machine body 1, a main shaft 6 is arranged between the two groups of bearing seats 5, one end of the main shaft 6 is provided with a belt pulley 32, a plurality of groups of rotating discs 9 are sleeved outside the main shaft 6, enough installation gaps of breaking hammers 17 are reserved between the leftmost rotating discs 9 and the machine body 1, the rotating discs 9 can be conveniently moved to take down the breaking hammers 17, the middle part of the rotating discs 9 is welded with a connecting sleeve 10, a plurality of groups of L-shaped grooves 7 are formed in the main shaft 6, the plurality of L-shaped grooves 7 are communicated by straight grooves 8, two groups of symmetrical connecting keys 11 are processed inside the connecting sleeve 10, the rotating discs 9 can be locked through the matching of the connecting keys 11 and the L-shaped grooves 7, the rotary disc 9 can be moved apart through the straight groove 8 so as to take down the breaking hammer 17, four groups of mounting cylinders 15 are welded around the rotary disc 9, the breaking hammer 17 is clamped between the corresponding mounting cylinders 15 on the two groups of rotary discs 9 through the connecting shaft 16, a threaded sleeve 18 is connected to one side of the rotary disc 9 at the left end of the main shaft 6 in a threaded manner, a connecting clamping block 12 is processed at the right end of the connecting sleeve 10, a connecting groove 13 is processed at the left side of the connecting sleeve 10, a first dustproof gasket 14 is sleeved outside the connecting clamping block 12, a dustproof clamping block 19 is processed at the right end of the threaded sleeve 18, a dustproof clamping groove 20 is processed at the left end of the connecting sleeve 10 on the rotary disc 9 at the leftmost end, a second dustproof gasket 21 is arranged between the dustproof clamping blocks 19 and the dustproof clamping grooves (20), the connecting sleeve 10 at the leftmost end and the threaded sleeve 18 are mutually nested, the first dustproof gasket 14 and the second dustproof gasket 21 are clamped, can form effective seal, prevent that the dust from getting into L-shaped groove 7 and straight flute 8 in, be provided with pivot protective housing 22 between bearing frame 5 and the fuselage 1 on fuselage 1 right side, pivot protective housing 22 has the protection case lid 23 through hinge swing joint.
Example 2:
the brick hammer breaker of easily changing tup and sieve, the fuselage 1 front portion has sieve gate 24 through hinge swing joint, the inside of sieve gate 24 is provided with can dismantle sieve 25, it has a great deal of fine screen bars (35) to dismantle the processing on the sieve 25, can sieve out enough tiny brick nibs, and be connected with stiffener (36) between the screen bars 35 and prevent that the screen bars 35 atress warp, can dismantle sieve 25 bottom and install four gyro wheels 26, sieve gate 24 front end is provided with buffering slope 31, the gyro wheel 26 that can dismantle sieve 25 can let can dismantle sieve 25 remove easier, the front portion sets up buffering slope 31 can make things convenient for gyro wheel 26 to remove, fuselage 1 right side is provided with two sets of installation hydraulic stem 33, fuselage 1 left side is provided with two sets of dismantlement hydraulic stem 34, fuselage 1 rear portion runs through and has sieve 27, the both sides of sieve 27 run through two threaded rods 28, threaded rod 28 rear end welding has cross handle 29, it has threaded connection section of thick bamboo 30 to dismantle corresponding position welding on 25, can dismantle 25 make and dismantle and to make and dismantle sieve 25 remove to make and can dismantle sieve 25 remove to make and can make sieve 25 remove to dismantle the sieve 25 and remove to make the sieve 25 remove to follow the inner wall 25 and rotate, can make the sieve 25 and dismantle the sieve 25 and rotate when the sieve 25 is connected with the inner wall 25 is last through the complete, the last sieve 25.
Working principle: when the brick hammer crusher with the hammer heads and the sieve plates easy to replace is used, the external motor drives the belt wheel 32 to rotate, the main shaft 6 drives the breaking hammer 17 on the rotating disc 9 to rotate, bricks are sent into the hammer crusher from the feed inlet 3 to be impacted by the breaking hammer 17 at high speed, broken brick particles with a certain size can fall from gaps on the detachable sieve plate 25, the connecting keys 11 in the connecting sleeve 10 on the rotating disc 9 are clamped at the corners of the L-shaped groove 7 during operation, the adjacent rotating disc 9 is mutually matched and clamped through the connecting clamping blocks 12 and the connecting grooves 13 at the two ends of the connecting sleeve 10, the left end of the main shaft 6 is prevented from moving by screwing the threaded sleeve 18, the connecting sleeve 10 at the leftmost end and the threaded sleeve 18 are mutually nested, the first dustproof gasket 14 and the second dustproof gasket 21 are clamped, effective sealing can be formed, when dust is prevented from entering the L-shaped groove 7 and the straight groove 8 and a hammer head is replaced, the upper casing 2 is firstly loosened by the fixing bolt 4, then the protective cover 23 is opened, the threaded sleeve 18 is unscrewed, the fixation of the rotating disc 9 is loosened, then the disassembling hydraulic rod 34 is started, the connecting key 11 on the rotating disc 9 is ejected from the corner of the L-shaped groove 7, then the connecting key 11 enters the straight groove 8 under the inertia effect by the aim of rotating the main shaft 6, the distance between the rotating disc 9 can be increased, the breaking hammer 17 is separated from the two mounting cylinders 15, the main shaft 6 can be positively rotated after the new breaking hammer 17 is replaced, the rotating disc 9 is pushed to the mounting position by the mounting hydraulic rod 33, then the threaded sleeve 18 is screwed, the rotating disc 9 and the breaking hammer 17 are fixed, the detachable sieve plate 25 is in threaded connection with the threaded rod 28 through the threaded connecting cylinder 30 and is pulled backwards, make radian and the perfect linking of fuselage 1 inner wall on the removable sieve 25, can upwards open sieve door 24 when dismantling, then make threaded rod 28 deviate from in threaded connection section of thick bamboo 30 through rotating cross handle 29, then drive sieve hydraulic stem 27 will dismantle the sieve 25 ejecting, screw up threaded rod 28 and will dismantle the sieve 25 taut after changing new removable sieve 25, the gyro wheel 26 under the removable sieve 25 can let removable sieve 25 remove easier, the front portion sets up buffering slope 31 can make things convenient for gyro wheel 26 to remove, just so accomplished the brick hammer breaker of easily changing tup and sieve.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. Brick hammer breaker of easily changing tup and sieve, including fuselage (1), its characterized in that: the utility model discloses a screen plate, including fuselage (1), upper casing (2), fuselage (1) and upper casing (2) are fixed through fixing bolt (4), fuselage (1) both sides are provided with two sets of bearing frame (5), install main shaft (6) between two sets of bearing frame (5), band pulley (32) are installed to main shaft (6) one end, main shaft (6) overcoat has multiunit rolling disc (9), rolling disc (9) middle part welding has connecting sleeve (10), rolling disc (9) welding all around has four sets of installation section of thick bamboo (15), two sets of install section of thick bamboo (15) that correspond on rolling disc (9) are equipped with quartering hammer (17) through connecting axle (16) card, be provided with between bearing frame (5) and the fuselage (1) on the right side of main shaft (6) rolling disc (9) screw thread sleeve (18), be provided with protective housing (22) between pivot (5) and the fuselage (1), protective housing (22) are provided with sieve plate (24) through hinge (24) in front of a movable connection, sieve plate (24), two groups of mounting hydraulic rods (33) are arranged on the right side of the machine body (1), and two groups of dismounting hydraulic rods (34) are arranged on the left side of the machine body (1);
a plurality of groups of L-shaped grooves (7) are formed in the main shaft (6), the plurality of groups of L-shaped grooves (7) are communicated by straight grooves (8), and two groups of symmetrical connecting keys (11) are machined in the connecting sleeve (10);
the novel anti-dust device is characterized in that a connecting clamping block (12) is machined at the right end of the connecting sleeve (10), a connecting groove (13) is machined at the left side of the connecting sleeve (10), a first dustproof gasket (14) is sleeved outside the connecting clamping block (12), a dustproof clamping block (19) is machined at the left end of the threaded sleeve (18), a dustproof clamping groove (20) is machined at the right end of the connecting sleeve (10) on the rotating disc (9) at the rightmost end, and a second dustproof gasket (21) is installed between the dustproof clamping block (19) and the dustproof clamping groove (20);
the machine body (1) rear portion is run through and is had sieve hydraulic stem (27), two threaded rods (28) are run through in sieve hydraulic stem (27) both sides, threaded rod (28) rear end welding has cross handle (29), it has threaded connection section of thick bamboo (30) to dismantle the welding of corresponding position on sieve (25).
2. The brick hammer breaker with easily replaced hammer heads and screen plates according to claim 1, wherein: and enough installation clearance of the breaking hammer (17) is reserved between the rightmost rotating disc (9) and the machine body (1).
3. The brick hammer breaker with easily replaced hammer heads and screen plates according to claim 1, wherein: the detachable screen plate (25) is provided with a plurality of fine screen bars (35) in a cutting process, and reinforcing rods (36) are connected between the screen bars (35).
4. A tile hammer breaker with easily replaceable hammer heads and screen plates according to claim 3, wherein: four rollers (26) are arranged at the bottom of the detachable sieve plate (25), and a buffer slope (31) is arranged at the front end of the sieve plate door (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210123046.7A CN114602602B (en) | 2022-02-09 | 2022-02-09 | Brick hammer breaker with hammer head and sieve plate easy to replace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210123046.7A CN114602602B (en) | 2022-02-09 | 2022-02-09 | Brick hammer breaker with hammer head and sieve plate easy to replace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114602602A CN114602602A (en) | 2022-06-10 |
| CN114602602B true CN114602602B (en) | 2023-10-03 |
Family
ID=81859609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210123046.7A Active CN114602602B (en) | 2022-02-09 | 2022-02-09 | Brick hammer breaker with hammer head and sieve plate easy to replace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114602602B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2097628A5 (en) * | 1970-07-16 | 1972-03-03 | Calmels Henri | |
| CN101797526A (en) * | 2010-05-07 | 2010-08-11 | 浙江汇同电源有限公司 | Waste lead acid battery crusher |
| CN101947478A (en) * | 2010-09-26 | 2011-01-19 | 常熟仕名重型机械有限公司 | Final screening mechanism movable single-stage hammer screening crusher |
| CN103785507A (en) * | 2012-11-01 | 2014-05-14 | 常州翔宇资源再生科技有限公司 | Hammer crusher for dry type recovery production line of waste circuit board |
| CN105032549A (en) * | 2015-09-01 | 2015-11-11 | 常熟中材装备重型机械有限公司 | Calcium carbide smashing machine |
| CN112871312A (en) * | 2021-01-08 | 2021-06-01 | 福建漳州华纯机械科技有限公司 | Hammering type crusher |
| CN215087645U (en) * | 2021-04-12 | 2021-12-10 | 河南德沃实业有限公司 | Hammer crusher rotor |
-
2022
- 2022-02-09 CN CN202210123046.7A patent/CN114602602B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2097628A5 (en) * | 1970-07-16 | 1972-03-03 | Calmels Henri | |
| CN101797526A (en) * | 2010-05-07 | 2010-08-11 | 浙江汇同电源有限公司 | Waste lead acid battery crusher |
| CN101947478A (en) * | 2010-09-26 | 2011-01-19 | 常熟仕名重型机械有限公司 | Final screening mechanism movable single-stage hammer screening crusher |
| CN103785507A (en) * | 2012-11-01 | 2014-05-14 | 常州翔宇资源再生科技有限公司 | Hammer crusher for dry type recovery production line of waste circuit board |
| CN105032549A (en) * | 2015-09-01 | 2015-11-11 | 常熟中材装备重型机械有限公司 | Calcium carbide smashing machine |
| CN112871312A (en) * | 2021-01-08 | 2021-06-01 | 福建漳州华纯机械科技有限公司 | Hammering type crusher |
| CN215087645U (en) * | 2021-04-12 | 2021-12-10 | 河南德沃实业有限公司 | Hammer crusher rotor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114602602A (en) | 2022-06-10 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20230904 Address after: 321000 north side of 330 National Road, Shibali village, Jiangdong Town, Jindong District, Jinhua City, Zhejiang Province Applicant after: Zhejiang Jintai machinery Steel Casting Co.,Ltd. Address before: 233199 No. 70, Guanghui street, Fengyang County, Chuzhou City, Anhui Province Applicant before: Cheng Kegang |
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