CN111701305A - Multi-layer composite metal filter screen - Google Patents
Multi-layer composite metal filter screen Download PDFInfo
- Publication number
- CN111701305A CN111701305A CN202010839985.2A CN202010839985A CN111701305A CN 111701305 A CN111701305 A CN 111701305A CN 202010839985 A CN202010839985 A CN 202010839985A CN 111701305 A CN111701305 A CN 111701305A
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- Prior art keywords
- clamping
- filter screen
- rectangular
- filter
- screen
- 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
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 20
- 239000002184 metal Substances 0.000 title claims abstract description 20
- 239000002131 composite material Substances 0.000 title claims abstract description 19
- 238000001914 filtration Methods 0.000 claims abstract description 21
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 6
- 229910000575 Ir alloy Inorganic materials 0.000 claims description 3
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000007767 bonding agent Substances 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/05—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements supported
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
Abstract
The invention discloses a multilayer composite metal filter screen, and relates to the technical field of metal filter screens. The filter comprises two outer filter screens which are oppositely clamped and an inner filter screen which is arranged between the two outer filter screens, wherein each outer filter screen comprises a row of clamping connecting rods and a row of rectangular connecting plates which are arranged up and down; the clamping and connecting rod is perpendicular to the rectangular connecting plate; the cross section of the clamping rod is of an isosceles trapezoid structure; clamping grooves penetrating through opposite side surfaces of the clamping rods are uniformly distributed in the extension direction of the upper sides of the clamping rods; the clamping grooves are formed between every two adjacent rectangular connecting plates; the inner filter screen comprises a row of rectangular slats; the upper surface and the lower surface of the rectangular ribbon board along the length direction are correspondingly fixed with a first filter plate and a clamping block matched with the clamping groove; and a second filter plate is fixed between the opposite surfaces of the two clamping blocks corresponding to the lower parts of the two adjacent rectangular laths. The composite filter screen is formed by combining the outer filter screens of the two outer layers and the inner filter screen at the center, the strength is guaranteed, meanwhile, the filtering fineness is increased, the filtering speed is high, and the manufacturing difficulty of the composite filter screen is reduced.
Description
Technical Field
The invention belongs to the technical field of metal filter screens, and particularly relates to a multilayer composite metal filter screen.
Background
In the prior art, wedge wire screens are used in a wide range of industrial applications as coarse screens, since their wires have a flat surface and a continuous V-shaped slit, they are less likely to be clogged. These shapes of wire mesh are considered to be technically superior to conventional filter screens made from wire mesh and perforated plates.
In certain industrial fields, when fine filtration is required, effective filtration cannot be achieved with only a single layer of wedge wire mesh. Thus, it has been customary to overlay two wedge-shaped wire screens with one another in use to accommodate the fine filtration requirements.
The filter screen, which is generally made of metal or synthetic fiber, is used for separation of various fluid substances, and is generally corrosion-resistant, oxidation-resistant, and the like. Is made up by using metal wire meshes with different meshes through a certain preparation process, and its function is to filter molten material flow and increase material flow resistance so as to filter out mechanical impurity and raise mixing or plasticizing effect. Has the performances of acid resistance, alkali resistance, temperature resistance, wear resistance and the like; the method is mainly used in the industries of mining, petroleum, chemical industry, food, medicine, mechanical manufacturing and the like. The filter screen is divided into a textile fiber filter screen and a metal filter screen.
The existing precise filter screen has a complex integral structure and large one-time processing difficulty, and the single-structure filtering strength and the filtering effect still have a larger space for improvement.
Disclosure of Invention
The invention aims to provide a multilayer composite metal filter screen which is formed by combining two outer layers of outer filter screens and a central inner filter screen, improves the filtering fineness while ensuring the strength, has high filtering speed, reduces the manufacturing difficulty of the composite filter screen, and solves the existing problems.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a multilayer composite metal filter screen which comprises two outer filter screens which are oppositely clamped and an inner filter screen arranged between the two outer filter screens, wherein each outer filter screen comprises a row of clamping connecting rods and a row of rectangular connecting plates which are arranged up and down; the clamping and connecting rod is perpendicular to the rectangular connecting plate; the cross section of the clamping rod is of an isosceles trapezoid structure; clamping grooves penetrating through opposite side surfaces of the clamping rods are uniformly distributed in the extension direction of the upper sides of the clamping rods; the clamping grooves are formed between every two adjacent rectangular connecting plates; the inner filter screen comprises a row of rectangular slats; the upper surface and the lower surface of the rectangular ribbon board along the length direction are correspondingly fixed with a first filter plate and a clamping block matched with the clamping groove; a second filter plate is fixed between the opposite surfaces of the two clamping blocks below the two adjacent rectangular slats; the peripheral side surface of the first filter plate is in clearance fit with a rectangular channel formed by two adjacent clamping connecting rods and two adjacent rectangular connecting plates of the upper outer filter screen; and the second filter plate penetrates through a rectangular channel formed by two adjacent clamping rods of the outer filter screen at the lower side and two adjacent rectangular connecting plates to the lower side.
Furthermore, the cross section of the clamping groove is of an inverted isosceles trapezoid structure.
Furthermore, a V-shaped groove is formed in the upper end face of the clamping rod along the length direction.
Further, the cross section of the first filter plate is of an M-shaped structure; the surface of the first filter plate is provided with first filter holes with the same length direction as the rectangular laths at equal intervals.
Further, the cross section of the second filter plate is of a V-shaped structure; and second filtering holes vertical to the length direction of the rectangular batten are formed in the two side walls of the second filtering plate at equal intervals.
And further coating a bonding agent at the joint of the outer filter screen and the inner filter screen and sintering.
Further, the material of the outer filter screen and the inner filter screen comprises one or more of stainless steel, titanium alloy or iridium alloy.
The invention has the following beneficial effects:
1. the filter screen is formed by combining the outer filter screens of the two outer layers and the inner filter screen at the center, the outer layers are used for filtering simply, the inner filter screens of the inner layers are used for filtering finely, the filtering fineness is increased while the strength is guaranteed, and the filtering effect is improved.
2. According to the invention, the second filter plate is arranged in a V shape, so that the larger filaments are subjected to retardant winding, the two sides of the second filter plate have better fluidity and cannot be blocked, the first filter plate is unfolded in an M shape, impurities are comprehensively intercepted by large-area oblique unfolding, the retarding force of the oblique unfolding surface on the liquid is reduced, and the filtering speed is high.
3. The composite filter screen is manufactured by combining the outer filter screen and the inner filter screen, is integrally sintered, and reduces the manufacturing difficulty of the composite filter screen.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a multi-layer composite metal screen according to the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 1;
FIG. 4 is a cross-sectional view taken at B-B of FIG. 1;
FIG. 5 is a schematic structural view of an outer screen;
FIG. 6 is a schematic diagram of an inner screen;
FIG. 7 is an enlarged view of a portion of FIG. 6 at A;
FIG. 8 is a right side view of the inner screen;
in the drawings, the components represented by the respective reference numerals are listed below:
1-outer filter screen, 2-inner filter screen, 3-clamping rod, 4-rectangular connecting plate, 5-rectangular strip plate, 6-first filter plate, 7-clamping block, 8-second filter plate, 301-clamping groove, 302-V-shaped groove, 601-first filter hole and 801-second filter hole.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 8, the present invention is a multi-layer composite metal filter screen, which includes two outer filter screens 1 clamped to each other and an inner filter screen 2 disposed between the two outer filter screens 1,
the outer filter screen 1 comprises a row of clamping connecting rods 3 and a row of rectangular connecting plates 4 which are arranged up and down; the clamping and connecting rod 3 is perpendicular to the rectangular connecting plate 4;
the cross section of the clamping rod 3 is of an isosceles trapezoid structure; clamping grooves 301 penetrating through opposite side surfaces of the clamping rod 3 are uniformly distributed in the extension direction of the upper side of the clamping rod 3; the clamping groove 301 is arranged between two adjacent rectangular connecting plates 4;
the inner screen 2 comprises a row of rectangular slats 5; the upper surface and the lower surface of the rectangular slat 5 along the length direction are correspondingly fixed with a first filter plate 6 and a fixture block 7 matched with the clamping groove 301; a second filter plate 8 is fixed between the opposite surfaces of the two clamping blocks 7 corresponding to the lower parts of the two adjacent rectangular slats 5;
the peripheral side surface of the first filter plate 6 is in clearance fit with a rectangular channel formed by the two adjacent clamping connecting rods 3 and the two adjacent rectangular connecting plates 4 of the upper outer filter screen 1;
the second filter plate 8 penetrates through a rectangular channel formed by two adjacent clamping rods 3 and two adjacent rectangular connecting plates 4 of the lower outer filter screen 1 from bottom to bottom.
Wherein the cross section of the clamping groove 301 is of an inverted isosceles trapezoid structure.
Wherein, the upper end surface of the clamping rod 3 is provided with a V-shaped groove 302 along the length direction.
Wherein the cross section of the first filter plate 6 is of an M-shaped structure; the surface of the first filter plate 6 is provided with first filter holes 601 with the same length direction as the rectangular laths 5 at equal intervals.
Wherein the cross section of the second filter plate 8 is of a V-shaped structure; the two side walls of the second filter plate 8 are provided with second filter holes 801 at equal intervals, and the second filter holes are perpendicular to the length direction of the rectangular slat 5.
Wherein, the joint of the outer filter screen 1 and the inner filter screen 2 is coated with a binder and sintered.
The materials of the outer filter screen 1 and the inner filter screen 2 comprise one or more of stainless steel, titanium alloy or iridium alloy, and are adjusted according to different requirements of acid resistance, alkali resistance, temperature resistance and wear resistance of the filtering environment.
Whole compound filter screen is including two outer filter screen 1 layers in the outside that are used for supporting and simple filtering capability, play main filtering capability be the interior filter screen 2 of middle installation, interior filter screen 2 as long as there is the 7 two parts basis branches of fixture block that connect spacing rectangle slat 5 and be used for the location, and carry out filterable first filter 6 respectively and constitute with second filter 8 in both sides, second filter 8 is the V-arrangement setting, retard the winding to great filiform thing, 8 both sides mobility of second filter can not cause the jam better, first filter 6 is M shape and expandes, large tracts of land slope expandes and intercepts impurity comprehensively, slope expansion reduces in the face of the retardation force of liquid, the filter speed is fast.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides a compound metal filter screen of multilayer which characterized in that:
comprises two outer filter screens (1) which are oppositely clamped and an inner filter screen (2) which is arranged between the two outer filter screens (1),
the outer filter screen (1) comprises a row of clamping connecting rods (3) and a row of rectangular connecting plates (4) which are arranged up and down; the clamping rod (3) is perpendicular to the rectangular connecting plate (4);
the cross section of the clamping rod (3) is of an isosceles trapezoid structure; clamping grooves (301) penetrating through opposite side surfaces of the clamping rod (3) are uniformly distributed in the extension direction of the upper side of the clamping rod (3); the clamping groove (301) is formed between every two adjacent rectangular connecting plates (4);
the inner filter screen (2) comprises a row of rectangular slats (5); the upper surface and the lower surface of the rectangular ribbon board (5) along the length direction are correspondingly fixed with a first filter plate (6) and a clamping block (7) matched with the clamping groove (301); a second filter plate (8) is fixed between the opposite surfaces of the two clamping blocks (7) corresponding to the lower parts of the two adjacent rectangular battens (5);
the peripheral side surface of the first filter plate (6) is in clearance fit with rectangular channels formed by two adjacent clamping connecting rods (3) of the upper outer filter screen (1) and two adjacent rectangular connecting plates (4);
and the second filter plate (8) penetrates through a rectangular channel to the lower side, which is formed by two adjacent clamping rods (3) of the lower side outer filter screen (1) and two adjacent rectangular connecting plates (4).
2. A multi-layer composite metal screen according to claim 1, wherein the cross section of the slot (301) is an inverted isosceles trapezoid structure.
3. A multi-layer composite metal screen according to claim 1, characterized in that the upper end surface of the clamping rod (3) is provided with a V-shaped groove (302) along the length direction.
4. A multi-layer composite metal screen according to claim 1, characterized in that the first filter plate (6) has an M-shaped cross-section; the surface of the first filter plate (6) is provided with first filter holes (601) which are consistent with the length direction of the rectangular lath (5) at equal intervals.
5. A multi-layer composite metal screen according to claim 1, characterized in that the second filter plate (8) is V-shaped in cross-section; and second filtering holes (801) which are vertical to the length direction of the rectangular lath (5) are formed in the two side walls of the second filtering plate (8) at equal intervals.
6. A multi-layer composite metal screen according to claim 1, characterized in that the joint of the outer screen (1) and the inner screen (2) is coated with a bonding agent and sintered.
7. A multi-layer composite metal screen according to claim 1, wherein the material of the outer screen (1) and the inner screen (2) comprises one or more of stainless steel, titanium alloy or iridium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010839985.2A CN111701305B (en) | 2020-08-20 | 2020-08-20 | Multi-layer composite metal filter screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010839985.2A CN111701305B (en) | 2020-08-20 | 2020-08-20 | Multi-layer composite metal filter screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111701305A true CN111701305A (en) | 2020-09-25 |
| CN111701305B CN111701305B (en) | 2020-12-08 |
Family
ID=72547297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010839985.2A Active CN111701305B (en) | 2020-08-20 | 2020-08-20 | Multi-layer composite metal filter screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111701305B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4693835A (en) * | 1984-08-07 | 1987-09-15 | Arai Machinery Corporation | Filter process and its device |
| CN2463030Y (en) * | 2001-02-13 | 2001-12-05 | 丁宏广 | Three-dimensional wave air filter screen |
| KR20090000473U (en) * | 2007-07-12 | 2009-01-15 | 오석원 | Collision type Filter removal for Liquid Mist |
| JP2017129343A (en) * | 2016-01-18 | 2017-07-27 | 西崎 哲弘 | Composite type grease filter |
| CN206424758U (en) * | 2017-01-18 | 2017-08-22 | 天津市海日电子有限公司 | It is a kind of that the filter of depth-type filtration purification can be carried out to maritime air |
| CN107198922A (en) * | 2017-06-07 | 2017-09-26 | 粟越 | A kind of airhandling equipment screen pack |
| CN207401263U (en) * | 2017-09-27 | 2018-05-25 | 杨沁玥 | A kind of novel efficient strainer |
| CN208177126U (en) * | 2018-02-13 | 2018-12-04 | 广东博硕涂装技术有限公司 | filter device for paint spraying machine |
| US20190091610A1 (en) * | 2013-12-10 | 2019-03-28 | M-I L.L.C. | High capacity filtering screen |
| US20200139270A1 (en) * | 2013-07-25 | 2020-05-07 | M-I Drilling Fluids Uk Ltd. | Apparatus, System and/or Method for Modular Filter Screens |
| US10675580B1 (en) * | 2018-04-05 | 2020-06-09 | American Air Filter Company, Inc. | Air filtration with a V-bank filter apparatus and method |
-
2020
- 2020-08-20 CN CN202010839985.2A patent/CN111701305B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4693835A (en) * | 1984-08-07 | 1987-09-15 | Arai Machinery Corporation | Filter process and its device |
| CN2463030Y (en) * | 2001-02-13 | 2001-12-05 | 丁宏广 | Three-dimensional wave air filter screen |
| KR20090000473U (en) * | 2007-07-12 | 2009-01-15 | 오석원 | Collision type Filter removal for Liquid Mist |
| US20200139270A1 (en) * | 2013-07-25 | 2020-05-07 | M-I Drilling Fluids Uk Ltd. | Apparatus, System and/or Method for Modular Filter Screens |
| US20190091610A1 (en) * | 2013-12-10 | 2019-03-28 | M-I L.L.C. | High capacity filtering screen |
| JP2017129343A (en) * | 2016-01-18 | 2017-07-27 | 西崎 哲弘 | Composite type grease filter |
| CN206424758U (en) * | 2017-01-18 | 2017-08-22 | 天津市海日电子有限公司 | It is a kind of that the filter of depth-type filtration purification can be carried out to maritime air |
| CN107198922A (en) * | 2017-06-07 | 2017-09-26 | 粟越 | A kind of airhandling equipment screen pack |
| CN207401263U (en) * | 2017-09-27 | 2018-05-25 | 杨沁玥 | A kind of novel efficient strainer |
| CN208177126U (en) * | 2018-02-13 | 2018-12-04 | 广东博硕涂装技术有限公司 | filter device for paint spraying machine |
| US10675580B1 (en) * | 2018-04-05 | 2020-06-09 | American Air Filter Company, Inc. | Air filtration with a V-bank filter apparatus and method |
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| Publication number | Publication date |
|---|---|
| CN111701305B (en) | 2020-12-08 |
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Effective date of registration: 20201119 Address after: 323900 Sangao Industrial Zone, Wenxi Town, Qingtian County, Lishui City, Zhejiang Province Applicant after: Zhejiang Qingtian Oupeng Machinery Manufacturing Co.,Ltd. Address before: 264001 dividend market of Zhifu District, Yantai City, Shandong Province Applicant before: Yantai Zhifu District Liufu tea factory |
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Denomination of invention: A multilayer composite metal filter screen Effective date of registration: 20220607 Granted publication date: 20201208 Pledgee: Agricultural Bank of China Limited Qingtian County sub branch Pledgor: Zhejiang Qingtian Oupeng Machinery Manufacturing Co.,Ltd. Registration number: Y2022330000875 |
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Date of cancellation: 20230413 Granted publication date: 20201208 Pledgee: Agricultural Bank of China Limited Qingtian County sub branch Pledgor: Zhejiang Qingtian Oupeng Machinery Manufacturing Co.,Ltd. Registration number: Y2022330000875 |
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Effective date of registration: 20231122 Address after: 321000 Jinxing Village, Punan Street, Pujiang County, Jinhua City, Zhejiang Province Patentee after: Pujiang Hengda Industry and Trade Co.,Ltd. Address before: 323900 Sangao Industrial Zone, Wenxi Town, Qingtian County, Lishui City, Zhejiang Province Patentee before: Zhejiang Qingtian Oupeng Machinery Manufacturing Co.,Ltd. |