CN114382964B - Multipurpose adjustable flange connector - Google Patents
Multipurpose adjustable flange connector Download PDFInfo
- Publication number
- CN114382964B CN114382964B CN202210098752.0A CN202210098752A CN114382964B CN 114382964 B CN114382964 B CN 114382964B CN 202210098752 A CN202210098752 A CN 202210098752A CN 114382964 B CN114382964 B CN 114382964B
- Authority
- CN
- China
- Prior art keywords
- lateral
- arc
- adjusting
- assembly
- side direction
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims 2
- 241001330002 Bambuseae Species 0.000 claims 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 2
- 239000011425 bamboo Substances 0.000 claims 2
- 238000001914 filtration Methods 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/003—Auxiliary devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/006—Attachments
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/032—Flanged joints the flanges being connected by members tensioned axially characterised by the shape or composition of the flanges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L29/00—Joints with fluid cut-off means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/24—Preventing accumulation of dirt or other matter in the pipes, e.g. by traps, by strainers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to the technical field of assembly sealing elements, in particular to a multipurpose adjustable flange connector, which comprises a circular middle-arranged assembly disc. According to the multipurpose adjustable flange connector disclosed by the invention, the split lateral adjusting plates are assembled on the outer walls of the two sides of the circular middle-set assembling plate in a threaded manner, and the fan-shaped structure water guide mouth with the built-in metal filter screen is arranged in the circular middle-set assembling plate, so that the inner structure of the flange can be adjusted, the switching between closing and filtering can be freely performed, the functionality is more various, and the application range is wider; the split lateral adjusting disc can be conveniently controlled through the linkage type adjusting mechanism in the cylindrical adjusting seat, and the operation is simple and convenient; the arc-shaped closing plate is matched with the outwards-extending fan-shaped structure side sealing cover plate to assemble and seal the edge position, so that the whole device is compact in structure, reasonable in layout and quite wide in application.
Description
Technical Field
The invention relates to the technical field of assembly sealing elements, in particular to a multipurpose adjustable flange connector.
Background
The flange connection mode is a pipeline connection mode, specifically, flanges are cast at two ends of the pipeline butt joint, sealing grooves are formed in the end faces of the flanges, sealing rings are arranged in the grooves, and after the butt joint is finished, the pipelines are tightly connected together by bolts or studs. The connection of the stationary pipe to the rotating or reciprocating device may be achieved.
The flange connection is mainly characterized by convenient disassembly, high strength and good sealing performance. Most of the traditional flange connecting mechanisms are structurally fixed, and the closing mode of the flange connecting piece cannot be changed according to different requirements, so that the application range of the flange is limited singly.
Disclosure of Invention
The invention aims to solve the technical problems that: in order to solve the problems in the prior art, an improved multipurpose adjustable flange connector is provided, and the problems that the closing mode of the flange connector cannot be changed according to different requirements due to the fact that most structures of the traditional flange connector are fixed, and the application range of a flange is limited are solved.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a flange joint spare with adjustable multipurpose, includes circular centrally installed assembly dish, circular centrally installed assembly dish both sides outer wall central point put and to have the cylindrical regulation seat of outside bellied integral structure, cylindrical regulation seat outside arcwall face on equal screw thread be equipped with split type side direction adjustment dish, circular centrally installed assembly dish inside set up a plurality of fan-shaped structure water guide mouth, the inside fixedly connected with metal filter screen of water guide mouth, cylindrical regulation seat lateral surface on set up built-in coordinated type adjustment mechanism's side direction adjustment recess.
The lateral guide rail adjusting device is characterized in that a plurality of integrated lateral guide rails are fixedly connected to the arc-shaped surface on the outer side of the cylindrical adjusting seat, and a lateral adjusting chute with an adjusting screw is arranged at the lateral connecting end of the lateral guide rails.
The split type side direction regulating plate include the fan-shaped structure side direction seal apron of sliding fit in side direction guide rail one side and fix the internal thread guide block of an organic whole structure on the side direction seal apron lateral surface, side direction seal apron pass through the internal thread guide block cover in adjusting screw outside and side direction guide rail movable assembly.
The connecting end of the metal filter screen is provided with an arc-shaped transition section which is bent towards the opening position of the water guide opening.
The side guide rail is far away from the side adjustment chute face and is provided with an arc-shaped sealing assembly groove, and the outer side wall of the side sealing cover plate is provided with an arc-shaped sealing assembly bar matched with the arc-shaped sealing assembly groove.
The cylindrical adjusting seat is provided with a lateral assembly through hole for communicating the lateral adjusting sliding groove with the lateral adjusting groove on the outer arc surface, the linkage adjusting mechanism comprises a centrally-mounted driven gear movably assembled in the lateral adjusting groove through an inner rotating shaft, an inner end gear coaxially fixed at the top end of the adjusting screw and a driving shaft barrel coaxially fixed on the outer side surface of the centrally-mounted driven gear, an inner hexagonal control groove is formed in the outer side end of the driving shaft barrel, and a top sealing cover plate is assembled at the outer opening position of the lateral adjusting groove through threads.
The side guide rail is characterized in that the outer side surface of the side guide rail is provided with an arc storage clamping groove with an arc-shaped closing plate, and the side sealing cover plates on the front side and the back side of the circular middle assembly plate and the inner part of the arc-shaped closing plate are respectively provided with a side fixing assembly through hole for convenient installation and fixation.
The arc-shaped closing plate is characterized in that lateral limiting grooves are formed in the outer walls of the two sides of the arc-shaped closing plate, and fixed limiting clamping strips matched with the lateral limiting grooves are arranged on the inner side walls of the arc-shaped storage clamping grooves.
The side wall of the non-movable connecting end of the lateral sealing cover plate is provided with a movable limiting clamping strip matched with the other lateral limiting groove.
The beneficial effects of the invention are as follows:
(1) According to the multipurpose adjustable flange connector disclosed by the invention, the split lateral adjusting plates are assembled on the outer walls of the two sides of the circular middle-set assembling plate in a threaded manner, and the fan-shaped structure water guide mouth with the built-in metal filter screen is arranged in the circular middle-set assembling plate, so that the inner structure of the flange can be adjusted, the switching between closing and filtering can be freely performed, the functionality is more various, and the application range is wider;
(2) The split lateral adjusting disc can be conveniently controlled through the linkage type adjusting mechanism in the cylindrical adjusting seat, and the operation is simple and convenient;
(3) The stability of split type side direction regulating disk in the adjustment process can be promoted through putting the side direction guide rail on the assembly dish in circular, simultaneously set up the arc of built-in arc closure plate and accomodate the draw-in groove on the side direction guide rail lateral surface, seal the edge position through the fan-shaped structure side seal apron of the outside extension of arc closure plate cooperation, the compact structure of whole equipment, rationally distributed, the usage is very extensive.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a partial cross-sectional view of the side rail location in the present invention.
Fig. 3 is an internal cross-sectional view of a cylindrical adjustment seat in accordance with the present invention.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Fig. 1, fig. 2 and fig. 3 show a flange joint spare with adjustable multipurpose, put assembly dish 1 in the circular, circular in put assembly dish 1 both sides outer wall central point put have the cylindrical regulation seat 2 of outside bellied integral type structure, equal screw thread is equipped with split type side direction adjustment dish on the arcwall face in the cylindrical regulation seat 2 outside, 6 fan-shaped structure water guide ports 4 have been seted up to circular in put assembly dish 1 inside, the inside fixedly connected with metal filter screen 5 of water guide port 4, set up built-in coordinated type adjustment mechanism's side direction adjustment recess 6 on the cylindrical regulation seat 2 lateral surface.
Further, for cooperation direction and side direction regulation, fixedly connected with a plurality of integral structure side direction guide rails 7 on the arcwall face in the outside of cylindrical regulating seat 2, side direction guide rail 7 side direction link has seted up the side direction regulation spout 9 of built-in adjusting screw 8.
The adjusting screw 8 is driven to rotate by the rotation of the linkage type adjusting mechanism, and the split lateral adjusting disk is driven to extend outwards by the adjusting screw, so that the metal filter screen 5 is opened, and the flange is used as a connecting piece with a built-in filtering function.
Further, in order to match with the screw rod for adjustment, the split type lateral adjustment disc comprises a fan-shaped structure lateral sealing cover plate 10 which is slidably assembled on one side of the lateral guide rail 7, and an integral structure internal thread guide block 11 which is fixed on the outer side surface of the lateral sealing cover plate 10, and the lateral sealing cover plate 10 is movably assembled with the lateral guide rail 7 by sleeving the internal thread guide block 11 on the outer side of the adjustment screw rod 8.
Further, in order to facilitate scraping off the surface filter, the connecting end of the metal filter screen 5 is provided with an arc-shaped transition section 12 which is bent towards the opening position of the water guide port 4.
Further, in order to improve the lateral limiting performance and the tightness in the assembled state, an arc-shaped sealing assembly groove 13 is formed in the surface, away from the lateral adjusting chute 9, of the lateral guide rail 7, and an arc-shaped sealing assembly strip 14 matched with the arc-shaped sealing assembly groove 13 is arranged on the outer side wall of the lateral sealing cover plate 10.
Further, for cooperation control and transmission, a lateral assembly through hole 15 for communicating the lateral adjustment chute 9 with the lateral adjustment groove 6 is formed in the outer arc surface of the cylindrical adjustment seat 2, the linkage adjustment mechanism comprises a centrally-mounted driven gear 16 movably assembled in the lateral adjustment groove 6 through an inner rotating shaft, an inner end gear 17 coaxially fixed at the top end of the adjustment screw 8 and a driving shaft barrel 18 coaxially fixed on the outer side surface of the centrally-mounted driven gear 16, an inner hexagonal control groove 19 is formed in the outer side end of the driving shaft barrel 18, and a top sealing cover plate 20 is assembled at the outer opening position of the lateral adjustment groove 6 in a threaded manner.
The top sealing cover plate 20 is unscrewed firstly, then an outer hexagonal wrench is inserted into the inner hexagonal control groove 19 to control the driving shaft barrel 18 to rotate, then the driving shaft barrel 18 drives the middle driven gear 16 to rotate, the middle driven gear 16 drives the inner end gear 17 to rotate, and the inner end gear 17 drives the adjusting screw 8 to rotate, so that the surrounding round lateral sealing cover plate 10 can be driven to extend along the lateral guide rail 7.
Further, for cooperation installation and storage, an arc storage clamping groove 22 with a built-in arc-shaped closing plate 21 is formed in the outer side face of the lateral guide rail 7, and lateral fixing assembly through holes 23 for convenient installation and fixation are formed in the lateral sealing cover plates 10 on the front side and the back side of the circular middle-arranged assembly plate 1 and the inner part of the arc-shaped closing plate 21.
Further, in order to improve the limit stability in the storage state, lateral limit grooves 24 are formed in the outer walls of the two sides of the arc-shaped closing plate 21, and fixed limit clamping strips 25 matched with the lateral limit grooves 24 are arranged on the inner side walls of the arc-shaped storage clamping grooves 22.
Further, in order to facilitate the clamping and limiting of the arc-shaped closing plate 21 from the outside, the side wall of the non-movable connecting end of the lateral sealing cover plate 10 is provided with a movable limiting clamping strip 26 matched with the other lateral limiting groove 24.
According to the multipurpose adjustable flange connector disclosed by the invention, the split lateral adjusting plates are assembled on the outer walls of the two sides of the circular middle-set assembling plate 1 in a threaded manner, the fan-shaped structure water guide port 4 with the built-in metal filter screen 5 is arranged in the circular middle-set assembling plate 1, so that the inner structure of the flange can be adjusted, the switching between closing and filtering can be freely performed, the functionality is more various, and the application range is wider; the split lateral adjusting disc can be conveniently controlled through the linkage type adjusting mechanism in the cylindrical adjusting seat 2, and the operation is simple and convenient; the stability of the split type lateral adjusting disk in the adjusting process can be improved through the lateral guide rail 7 on the circular middle-arranged assembling disk 1, meanwhile, the arc-shaped containing clamping groove 22 with the built-in arc-shaped closing plate 21 is formed in the outer side face of the lateral guide rail 7, and the edge position is assembled and sealed through the arc-shaped closing plate 21 matched with the outwards-extending fan-shaped structure lateral sealing cover plate 10.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (4)
1. The utility model provides a flange joint spare with adjustable multipurpose, is put assembly dish (1), characterized by including circular: the circular middle-arranged assembly disc (1) is provided with an integrated structure cylindrical adjusting seat (2) protruding outwards at the center position of the outer walls of two sides, a split lateral adjusting disc is assembled on the outer arc surface of the cylindrical adjusting seat (2) in a threaded manner, a plurality of fan-shaped structure water guide ports (4) are arranged inside the circular middle-arranged assembly disc (1), a metal filter screen (5) is fixedly connected to the inside of the water guide ports (4), a lateral adjusting groove (6) of an embedded linkage type adjusting mechanism is arranged on the outer side surface of the cylindrical adjusting seat (2), a plurality of integrated structure lateral guide rails (7) are fixedly connected to the outer arc surface of the cylindrical adjusting seat (2), lateral adjusting sliding grooves (9) of an embedded adjusting screw (8) are arranged at the lateral connecting end of the lateral guide rails (7), the split lateral adjusting disc comprises a fan-shaped structure lateral sealing cover plate (10) which is assembled on one side of the lateral guide rails (7) in a sliding manner and an integrated structure internal thread guide block (11) which is fixed on the outer side surface of the lateral sealing cover plate (10), the lateral sealing cover plate (10) is provided with a transition section of the metal filter screen (12) through the internal thread guide block (11) which is sleeved on the outer side of the lateral sealing cover (8) at the lateral opening of the lateral guide rail (4), the utility model provides a cylindrical regulation seat (2) outside arcwall face on set up be used for intercommunication side direction regulation spout (9) and side direction adjustment groove (6) side direction assembly through-hole (15), linkage adjustment mechanism including put driven gear (16) through inboard pivot movable assembly in side direction adjustment groove (6) inside, coaxial fixed in interior end gear (17) on adjusting screw (8) top and coaxial fixed in put driven gear (16) on drive shaft section of thick bamboo (18) lateral surface, drive shaft section of thick bamboo (18) outside end on set up interior hexagonal control groove (19), side direction adjustment groove (6) outside open position screw thread be equipped with top seal apron (20), side direction guide rail (7) lateral surface on set up the arc of built-in arc closure plate (21) and accomodate draw-in groove (22), put in circular side direction fixed assembly through-hole that is used for convenient installation to fix is all seted up to side direction seal apron (10) and arc closure plate (21) inside of the front and back side direction assembly dish (1).
2. A multipurpose adjustable flange connector according to claim 1, characterized in that: the side guide rail (7) is provided with an arc-shaped sealing assembly groove (13) on the surface far away from the side adjusting chute (9), and the outer side wall of the side sealing cover plate (10) is provided with an arc-shaped sealing assembly strip (14) matched with the arc-shaped sealing assembly groove (13).
3. A multipurpose adjustable flange connector according to claim 1, characterized in that: lateral limit grooves (24) are formed in the outer walls of the two sides of the arc-shaped closing plate (21), and fixed limit clamping strips (25) matched with the lateral limit grooves (24) are arranged on the inner side walls of the arc-shaped storage clamping grooves (22).
4. A multipurpose adjustable flange connector according to claim 3, characterized in that: the side wall of the non-movable connecting end of the lateral sealing cover plate (10) is provided with a movable limiting clamping strip (26) matched with the other lateral limiting groove (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210098752.0A CN114382964B (en) | 2022-01-27 | 2022-01-27 | Multipurpose adjustable flange connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210098752.0A CN114382964B (en) | 2022-01-27 | 2022-01-27 | Multipurpose adjustable flange connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114382964A CN114382964A (en) | 2022-04-22 |
| CN114382964B true CN114382964B (en) | 2023-07-25 |
Family
ID=81203992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210098752.0A Active CN114382964B (en) | 2022-01-27 | 2022-01-27 | Multipurpose adjustable flange connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114382964B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150001653U (en) * | 2013-10-22 | 2015-04-30 | 현대중공업 주식회사 | The protective plate for residue removal of flange pipe |
| CA2870564A1 (en) * | 2014-12-01 | 2016-06-01 | Mahmoud Shaker Nadeem | Anti-cavitation device |
| CN206303822U (en) * | 2016-05-30 | 2017-07-07 | 德清艾希德卫浴洁具有限公司 | The shower house fan-folded filter of hair cleaning plant |
| CN111365561A (en) * | 2020-04-30 | 2020-07-03 | 中国二十二冶集团有限公司 | High-rise building blow-off pipe |
| CN213117913U (en) * | 2020-09-27 | 2021-05-04 | 江阴优普拉斯法兰有限公司 | Large-diameter flange |
| CN215410688U (en) * | 2021-06-29 | 2022-01-04 | 江阴宝弘机械法兰有限公司 | Hubbed flange with filtering capability |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212203488U (en) * | 2020-04-16 | 2020-12-22 | 镇江市宜扬密封制品有限公司 | Flange gasket with built-in filtering device |
-
2022
- 2022-01-27 CN CN202210098752.0A patent/CN114382964B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150001653U (en) * | 2013-10-22 | 2015-04-30 | 현대중공업 주식회사 | The protective plate for residue removal of flange pipe |
| CA2870564A1 (en) * | 2014-12-01 | 2016-06-01 | Mahmoud Shaker Nadeem | Anti-cavitation device |
| CN206303822U (en) * | 2016-05-30 | 2017-07-07 | 德清艾希德卫浴洁具有限公司 | The shower house fan-folded filter of hair cleaning plant |
| CN111365561A (en) * | 2020-04-30 | 2020-07-03 | 中国二十二冶集团有限公司 | High-rise building blow-off pipe |
| CN213117913U (en) * | 2020-09-27 | 2021-05-04 | 江阴优普拉斯法兰有限公司 | Large-diameter flange |
| CN215410688U (en) * | 2021-06-29 | 2022-01-04 | 江阴宝弘机械法兰有限公司 | Hubbed flange with filtering capability |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114382964A (en) | 2022-04-22 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A versatile adjustable flange connector Granted publication date: 20230725 Pledgee: Dongtai Jiangsu rural commercial bank Limited by Share Ltd. Pledgor: Jiangsu Lida Industrial Technology Co.,Ltd. Registration number: Y2024980017481 |