CN102321895A - A kind of monobloc(k)type anode slot - Google Patents
A kind of monobloc(k)type anode slot Download PDFInfo
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- CN102321895A CN102321895A CN201110257465A CN201110257465A CN102321895A CN 102321895 A CN102321895 A CN 102321895A CN 201110257465 A CN201110257465 A CN 201110257465A CN 201110257465 A CN201110257465 A CN 201110257465A CN 102321895 A CN102321895 A CN 102321895A
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Abstract
A kind of monobloc(k)type anode slot.The liner plate of cell body is the arc frame, and the upper surface of support is an arc, and anode motherboard and positive plate are arc.The upper surface of described liner plate, support, anode motherboard and positive plate are concentric cambered surface, and the curvature of upper surface, anode motherboard and the positive plate of liner plate, support is identical.Cell body is fixed tightly on the support, and the groove side plate of cell body both sides lays respectively at the both sides of support.The conduction motherboard directly is fixed on the external arc surface of anode motherboard.The anode motherboard is fixed on the upper surface at the liner plate of cell body, and between liner plate and anode motherboard, gasket is arranged.The assembly unit of polylith positive plate also is fixed on the upper surface of anode motherboard.The present invention effectively reduces production cost and manufacture difficulty, and has increased the rigidity of anode slot, has reduced because equipment is out of shape the electrolyte leakage that causes, has improved the safety of equipment.And carry out the assembling of each several part through screw and bolt, simple in structure, installation, maintenance is convenient, is convenient to transportation.
Description
Technical field
The present invention relates to the Copper Foil manufacturing, specifically is that a kind of living paper tinsel machine is used the monobloc(k)type anode slot.
Background technology
Anode slot is one of key equipment of giving birth to by the paper tinsel machine.During production, a rotating cathode roller is installed in the anode slot, the roller bottom is immersed in the electrolytic solution, and after the energising, the copper in the solution deposits to roller surface and forms Copper Foil.Anode slot is made up of cell body, anode, conducting copper, support etc.Copper sulfate electrolyte in the anode slot has very strong corrodibility, and anode slot in the market, its cell body are the titanium plate or copper-clad titanium plate assembly welding forms.Conduction connects to adopt the copper-clad titanium directly to place electrolytic solution or on anode slot, weld a titanium bearing and is connected with conducting copper through bolt.
At present, the deficiency of these structures existence is:
1. adopt the titanium plate directly to make anode slot, not only expensive, and titanium plate welding difficulty is big, occurs welding flaw easily, causes to occur in the production process leaking.
2. adopt the copper-clad titanium to make anode slot, strengthened manufacture difficulty,, occur being difficult to repair welding behind the welding flaw, not only increased manufacturing cost, and greatly reduced the safety of use because outer titanium plate is thinner.
3. the conduction connection adopts the copper-clad titanium directly to place electrolytic solution, and the safety of its connection is low.
4. titanium bearing of welding causes the cell body distortion easily again through bolt and conducting copper ways of connecting on the employing anode slot, and complex structure.
The patent No. is in the utility model patent of ZL200720032291.8, discloses a kind of integral sealing anode slot, is characterized in using the surface to have the anode slot of corrosion resistant lining, and the electrical connection face of anode seat is placed extrados and no longer contacts electrolytic solution.The anode slot that this patent proposes is made up of two kinds of materials, the ME complicacy, and also the structure of antianode groove do not carry out detailed description, can't learn concrete structure.
Summary of the invention
The manufacturing expense that exists in the prior art is high, difficulty is big and the deficiency of poor reliability in order to overcome, and the present invention proposes a kind of monobloc(k)type anode slot.
The present invention includes conduction motherboard, support, cell body, two anode motherboards, positive plate and strong beams.Wherein:
Cell body adopts corrosion-resistant plastic to process; The liner plate of cell body is the arc frame, and the upper surface of support is an arc, and anode motherboard and positive plate are arc; The upper surface of described liner plate, support, anode motherboard and positive plate are concentric cambered surface, and the curvature of upper surface, anode motherboard and the positive plate of liner plate, support is identical.
Cell body is fixed tightly on the support, and the groove side plate of cell body both sides lays respectively at the both sides of support; The conduction motherboard directly is fixed on the external arc surface of anode motherboard; The anode motherboard is fixed on the upper surface at the liner plate of cell body, and between liner plate and anode motherboard, gasket is arranged; The assembly unit of polylith positive plate also is fixed on the upper surface of anode motherboard.
Positive plate is formed by connecting many lath assembly units; The surface of said lath width is an arc.
Conduction motherboard uniform distribution also is fixed on the extrados at anode motherboard two ends.
Described anode slot cell body is formed by two cover plates, two side plates, liner plate, coaming plate, upflow tube and induced exhaust assembly weldings.The centre of liner plate is the arc frame, and two ends have web plate respectively.At the middle part of two side plates, be placed with the open hole of two upflow tubes along the length direction of side plate.At the upper surface of two side plates the mounting groove of cathode roller is arranged, and the mounting groove of described cathode roller is positioned at two side plate length direction centers.Length in the coaming plate frame is identical with the length and the width of side plate that fits together and liner plate profile with width.Around coaming plate, be distributed with the open hole of induced exhaust.Two cover plates are positioned at the two ends of cell body length direction, and are fixed on the upper surface of coaming plate.
The web plate of described liner plate is combined with " U " shape groove by dull and stereotyped; The width of this web plate upper flat plate is slightly larger than the width of support top end rail, and the bottom land of this web plate " U " shape groove is placed with the open hole of three upflow tubes.
Described support comprises two top end rails, four middle cross beams, two camber plates, two risers, a bottom end rail, two cross members and four bearings.One side of two risers all has the mounting groove of liner plate, and two camber plates are fixed on the upper surface of said liner plate mounting groove.Two risers that are fixed with the camber plate are fixedly connected through top end rail, cross member and the middle cross beam that is symmetrically distributed.
The present invention adopts corrosion-resistant plastic to make the anode cell body, has reduced cost of raw and processed materials, and the plastics weldability is good, and manufacture difficulty is low.And because the light specific gravity of plastics, cost is low, can use than slab and make cell body, has increased the rigidity of equipment, has reduced the electrolyte leakage that causes owing to the anode slot body deformability, has improved the safety of anode slot.And carry out the assembling of each several part through screw and bolt, simple in structure, installation, maintenance is convenient, is convenient to transportation.
The present invention will be conducted electricity motherboard and directly will be connected anode motherboard back with sunk screw; Cancel titanium anode seat, eliminated the cell body distortion that the welding of anode seat causes, and; The conducting copper that is installed on the conduction motherboard does not contact electrolytic solution; Improve the safety that connects, can effectively reduce manufacturing expense and difficulty, increased the monobloc(k)type anode slot of equipment dependability.
Description of drawings
Fig. 1 is the structural representation of whole anode slot.
Fig. 2 is the structural representation of cell body.
Fig. 3 is the structural representation of support.
Fig. 4 is the A-A sectional view of Fig. 1.
Fig. 5 is the partial enlarged drawing of I on Fig. 4.
Fig. 6 is the partial enlarged drawing of II on Fig. 5.
Fig. 7 is the structural representation of conduction motherboard, and wherein, a is a side-view, and b is a front view, and c is a vertical view.
Fig. 8 is the structural representation of liner plate.Wherein:
1. conduction motherboard 2. supports 3. cell bodies 4. anode motherboards 5. positive plates 6. sunk screws
7. strong beam 8. cover plates 9. cell body side plates 10. liner plates 11. coaming plates 12. upflow tubes
13. induced exhaust 14. top end rails 15. middle cross beams 16. camber plates 17. risers 18. bottom end rails
19. cross member 20. bearings 21. gussets 22. coupling screws 23. gaskets 24. screws
Embodiment
Embodiment one:
Present embodiment is the anode slot that is used to produce Φ 1500.As shown in Figure 1, comprise conduction motherboard 1, support 2, cell body 3, anode motherboard 4, positive plate 5 and strong beam 7.Support 2, cell body 3, anode motherboard 4 and positive plate 5 are the identical cambered surface of curvature.
As shown in Figure 1.Cell body 3 is laid and is fixed tightly on the support 2, and the cell body side plate 9 of cell body 3 both sides lays respectively at the both sides of support 2.6 conduction motherboards 1 are evenly distributed and are fixed on the external arc surface of anode motherboard 4 through screw 24.Anode motherboard 4 be fixed on through coupling screw 22 cell body 3 liner plate 10 external arc gap frame Cs on upper surface, and between liner plate 10 and anode motherboard 4, be covered with gasket 23, to realize the sealing between anode motherboard 4 and the liner plate 10, form the anode slot that seals.
Described cell body 3 adopts corrosion resistant plastics to process, and like polyethylene, Vestolen PP 7052, polyvinyl chloride (PVC), in the present embodiment, cell body 3 adopts the hard PVC plastics to process.
On the surface of liner plate 10 and the surface of support 2, be distributed with connecting hole, be used for anode motherboard 4, liner plate 10 is connected with support 2.
In the both sides of cell body 3, strong beam 7 is installed all; Described strong beam 7 on cell body side plate 9, is used to increase the rigidity of cell body through screw retention.
In the present embodiment, support 2, cell body 3 and anode motherboard 4 are concentric cambered surface, must be adjacent to each other during installation, to guarantee the sealing of anode slot.After positive plate 5 was installed, anode slot inner arc radius was R760～775mm.
As shown in Figure 2, anode slot cell body 3 is formed by two cover plates 8, two cell body side plates 9, liner plate 10, coaming plate 11, upflow tube 12 and induced exhaust 13 assembly weldings.All parts of anode slot cell body 3 are all processed with the UPVC plastics.
As shown in Figure 8, liner plate 10 is a skeleton construction.The centre of liner plate 10 is the arc frame, and the web plate of liner plate 10 is arranged respectively at the two ends of this arc frame, through this web plate, liner plate 10 is fixedly connected with support 2.The web plate of described liner plate 10 is combined with " U " shape groove by dull and stereotyped; The width of this web plate upper flat plate is slightly larger than the width of support 2 top end rails, and the bottom land of this web plate " U " shape groove is placed with the open hole of three upflow tubes.The reinforcement lath is arranged at the bottom of the arc frame of said liner plate 10, have on this lath with support 2 on the screw that is connected of bottom end rail 18.Said liner plate 10 arcual curvature are identical with the curvature of cathode roller, and liner plate 10 arcual radiuses are slightly larger than the radius of cathode roller, make cathode roller can be in liner plate 10 normal rotation.
Two cell body side plate 9 structures are identical, are rectangular plate.At the middle part of two cell body side plates 9, be placed with the open hole of two upflow tubes 12 along the length direction of cell body side plate 9.At the upper surface of two cell body side plates 9 mounting groove of cathode roller is arranged, and the mounting groove of described cathode roller is positioned at two cell body side plates, 9 length direction centers.
Coaming plate 11 is a rectangle frame.Length in coaming plate 11 frames is identical with the length and the width of cell body side plate that fits together 9 and liner plate 10 profiles with width, make described coaming plate 11 can be fixed on cell body side plate 9 and liner plate 10 around.Around coaming plate 11, be distributed with the open hole of induced exhaust 13.
As shown in Figure 2.During assembling anode groove cell body 3, two cell body side plates 9 are welded on the both sides of liner plate 10, and two cell body side plates 9 are parallel to each other, and the upper surface with liner plate 10 is vertical respectively.With coaming plate 11 enclose be contained in liner plate 10 around, and be fixed on cell body side plate 9 and the liner plate 10.The cover plate 8 of two lath-shapeds is positioned at the two ends of cell body 3 length directions, and is fixed on the upper surface of coaming plate 11.
As shown in Figure 3.Support 2 is a rectangular frame structure, and its upper surface is an arc.Support 2 is formed by two top end rails 14, four middle cross beams 15, two camber plates 16, two risers 17, bottom end rail 18, two cross members 19, four bearings 20 and a plurality of gusset 21 assembly weldings.Whole part corrosion resistant materials of support 2.
Two risers 17 are rectangular plate, in a side of two risers 17 groove of circular arc are arranged all, are used to install liner plate 10.The curvature of two camber plates 16 is identical with the curvature of riser 17 upper grooves, and is fixed on the upper surface of riser 17 grooves.Two risers that are fixed with camber plate 16 17 are fixedly connected through top end rail 14, cross member 19 and the middle cross beam 15 that is symmetrically distributed, have formed support 2.The cross section of bottom end rail 18 is " U ", is positioned at the bottom of riser 17 grooves, and in the surface arrangement of bottom end rail 18 open hole of liner plate 10 is arranged.For guaranteeing the safety of support 2, on riser 17, be distributed with and strengthen gusset 21.Four bearings 20 are distributed in the inboard of support 2, and are fixed on riser 17 inboards.
Like Fig. 4, shown in Figure 5, anode motherboard 4 is an arc, is to be spliced with two boards.The curvature of described anode motherboard 4 is identical with liner plate 10 curvature.The tow sides of anode motherboard 4 are distributed with tapped bind hole, are respectively applied for liner plate 10 to be connected with positive plate 5.
Embodiment two:
Present embodiment is the anode slot that is used to produce Φ 2700mm.As shown in Figure 1, comprise conduction motherboard 1, support 2, cell body 3, anode motherboard 4, positive plate 5 and strong beam 7.Support 2, cell body 3, anode motherboard 4 and positive plate 5 are the identical cambered surface of curvature.
As shown in Figure 1.Cell body 3 is laid and is fixed tightly on the support 2, and the cell body side plate 9 of cell body 3 both sides lays respectively at the both sides of support 2.6 conduction motherboards 1 are evenly distributed and are fixed on the external arc surface of anode motherboard 4 through screw 24.Anode motherboard 4 be fixed on through coupling screw 22 cell body 3 liner plate 10 external arc gap frame Cs on upper surface, and between liner plate 10 and anode motherboard 4, be covered with gasket 23, to realize the sealing between anode motherboard 4 and the liner plate 10, form the anode slot that seals.
Described cell body 3 adopts corrosion resistant plastics to process, and like polyethylene, Vestolen PP 7052, polyvinyl chloride (PVC), in the present embodiment, cell body 3 adopts Vestolen PP 7052 to process.
On the surface of liner plate 10 and the surface of support 2, be distributed with connecting hole, be used for anode motherboard 4, liner plate 10 is connected with support 2.
In the both sides of cell body 3, strong beam 7 is installed all; Described strong beam 7 on cell body side plate 9, is used to increase the rigidity of cell body through screw retention.
In the present embodiment, support 2, cell body 3 and anode motherboard 4 are concentric cambered surface, must be adjacent to each other during installation, to guarantee the sealing of anode slot.After positive plate 5 was installed, anode slot inner arc radius was R1360～1400mm.
As shown in Figure 2, anode slot cell body 3 is formed by two cover plates 8, two cell body side plates 9, liner plate 10, coaming plate 11, upflow tube 12 and induced exhaust 13 assembly weldings.All parts of anode slot cell body 3 are all processed with the UPVC plastics.
As shown in Figure 8, liner plate 10 is a skeleton construction.The centre of liner plate 10 is the arc frame, and the web plate of liner plate 10 is arranged respectively at the two ends of this arc frame, through this web plate, liner plate 10 is fixedly connected with support 2.The web plate of described liner plate 10 is combined with " U " shape groove by dull and stereotyped; The width of this web plate upper flat plate is slightly larger than the width of support 2 top end rails, and the bottom land of this web plate " U " shape groove is placed with the open hole of three upflow tubes.The reinforcement lath is arranged at the bottom of the arc frame of said liner plate 10, have on this lath with support 2 on the screw that is connected of bottom end rail 18.Said liner plate 10 arcual curvature are identical with the curvature of cathode roller, and liner plate 10 arcual radiuses are slightly larger than the radius of cathode roller, make cathode roller can be in liner plate 10 normal rotation.
Two cell body side plate 9 structures are identical, are rectangular plate.At the middle part of two cell body side plates 9, be placed with the open hole of two upflow tubes 12 along the length direction of cell body side plate 9.At the upper surface of two cell body side plates 9 mounting groove of cathode roller is arranged, and the mounting groove of described cathode roller is positioned at two cell body side plates, 9 length direction centers.
Coaming plate 11 is a rectangle frame.Length in coaming plate 11 frames is identical with the length and the width of cell body side plate that fits together 9 and liner plate 10 profiles with width, make described coaming plate 11 can be fixed on cell body side plate 9 and liner plate 10 around.Around coaming plate 11, be distributed with the open hole of induced exhaust 13.
As shown in Figure 2.During assembling anode groove cell body 3, two cell body side plates 9 are welded on the both sides of liner plate 10, and two cell body side plates 9 are parallel to each other, and the upper surface with liner plate 10 is vertical respectively.With coaming plate 11 enclose be contained in liner plate 10 around, and be fixed on cell body side plate 9 and the liner plate 10.The cover plate 8 of two lath-shapeds is positioned at the two ends of cell body 3 length directions, and is fixed on the upper surface of coaming plate 11.
As shown in Figure 3.Support 2 is a rectangular frame structure, and its upper surface is an arc.Support 2 is formed by two top end rails 14, four middle cross beams 15, two camber plates 16, two risers 17, bottom end rail 18, two cross members 19, four bearings 20 and a plurality of gusset 21 assembly weldings.Whole part corrosion resistant materials of support 2.
Two risers 17 are rectangular plate, in a side of two risers 17 groove of circular arc are arranged all, are used to install liner plate 10.The curvature of two camber plates 16 is identical with the curvature of riser 17 upper grooves, and is fixed on the upper surface of riser 17 grooves.Two risers that are fixed with camber plate 16 17 are fixedly connected through top end rail 14, cross member 19 and the middle cross beam 15 that is symmetrically distributed, have formed support 2.The cross section of bottom end rail 18 is " U ", is positioned at the bottom of riser 17 grooves, and in the surface arrangement of bottom end rail 18 open hole of liner plate 10 is arranged.For guaranteeing the safety of support 2, on riser 17, be distributed with and strengthen gusset 21.Four bearings 20 are distributed in the inboard of support 2, and are fixed on riser 17 inboards.
Like Fig. 4, shown in Figure 5, anode motherboard 4 is an arc, is to be spliced with two boards.The curvature of described anode motherboard 4 is identical with liner plate 10 curvature.The tow sides of anode motherboard 4 are distributed with tapped bind hole, are respectively applied for liner plate 10 to be connected with positive plate 5.
Claims (4)
1. a monobloc(k)type anode slot is characterized in that, comprises conduction motherboard (1), support (2), cell body (3), two anode motherboards (4) and positive plate (5); Wherein:
A. cell body adopts corrosion-resistant plastic to process; The liner plate (10) of cell body (3) is the arc frame, and the upper surface of support (2) is an arc, and anode motherboard (4) and positive plate (5) are arc; The upper surface of described liner plate (10), support (2), anode motherboard (4) and positive plate (5) are concentric cambered surface, and liner plate (10), the upper surface of support (2), anode motherboard (4) are identical with the curvature of positive plate (5);
B. cell body (3) is fixed tightly on the support (2), and the groove side plate (9) of cell body (3) both sides lays respectively at the both sides of support (2); Conduction motherboard (1) directly is fixed on the external arc surface of anode motherboard (4); Anode motherboard (4) is fixed on the upper surface at the liner plate (10) of cell body (3), and between liner plate (10) and anode motherboard (4), gasket (23) is arranged; (5) assembly unit of polylith positive plate also is fixed on the upper surface of anode motherboard (4);
C. positive plate (5) is formed by connecting many lath assembly units; The surface of said lath width is an arc;
D. conduct electricity motherboard (1) uniform distribution and being fixed on the extrados at anode motherboard (4) two ends.
2. a kind of according to claim 1 monobloc(k)type anode slot is characterized in that, anode slot cell body (3) is formed by two cover plates (8), two side plates (9), liner plate (10), coaming plate (11), upflow tube (12) and induced exhaust (13) assembly welding; The centre of liner plate (10) is the arc frame, and two ends have web plate respectively; At the middle part of two side plates (9), be placed with the open hole of two upflow tubes (12) along the length direction of side plate (9); At the upper surface of two side plates (9) mounting groove of cathode roller is arranged, and the mounting groove of described cathode roller is positioned at two side plates (9) length direction center; Length in coaming plate (11) frame is identical with the length and the width of side plate that fits together (9) and liner plate (10) profile with width; Be distributed with the open hole of induced exhaust (13) all around at coaming plate (11); Two cover plates (8) are positioned at the two ends of cell body (3) length direction, and are fixed on the upper surface of coaming plate (11).
3. like the said a kind of monobloc(k)type anode slot of claim 2, it is characterized in that the web plate of described liner plate (10) is combined with " U " shape groove by dull and stereotyped; The width of this web plate upper flat plate is slightly larger than the width of support (2) top end rail, and the bottom land of this web plate " U " shape groove is placed with the open hole of three upflow tubes.
4. a kind of according to claim 1 monobloc(k)type anode slot; It is characterized in that support (2) comprises two top end rails (14), four middle cross beams (15), two camber plates (16), two risers (17), a bottom end rail (18), two cross members (19) and four bearings (20); One side of two risers (17) all has the mounting groove of liner plate (10), and two camber plates (16) are fixed on the upper surface of said liner plate (10) mounting groove; Two risers (17) that are fixed with camber plate (16) are fixedly connected through top end rail (14), cross member (19) and the middle cross beam (15) that is symmetrically distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110257465 CN102321895B (en) | 2011-09-01 | 2011-09-01 | Integral anode tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110257465 CN102321895B (en) | 2011-09-01 | 2011-09-01 | Integral anode tank |
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| Publication Number | Publication Date |
|---|---|
| CN102321895A true CN102321895A (en) | 2012-01-18 |
| CN102321895B CN102321895B (en) | 2013-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110257465 Expired - Fee Related CN102321895B (en) | 2011-09-01 | 2011-09-01 | Integral anode tank |
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| Country | Link |
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| CN (1) | CN102321895B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937042A (en) * | 2016-05-30 | 2016-09-14 | 安徽铜冠铜箔有限公司 | Electronic copper foil manufacturing device |
| CN111020642A (en) * | 2019-12-29 | 2020-04-17 | 圣达电气有限公司 | High-efficient circulation positive pole groove of crude foil machine |
| CN115418684A (en) * | 2022-10-09 | 2022-12-02 | 铜陵市华创新材料有限公司 | Titanium anode slot structure required by electrolytic copper foil and manufacturing process |
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| US4692221A (en) * | 1986-12-22 | 1987-09-08 | Olin Corporation | In-situ dendritic treatment of electrodeposited foil |
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| EP0504939A2 (en) * | 1991-03-21 | 1992-09-23 | Eltech Systems Corporation | Electrolytic cell anode |
| JP2002004095A (en) * | 2000-06-21 | 2002-01-09 | Japan Carlit Co Ltd:The | Insoluble anode and power feeding method for the same |
| CN2767458Y (en) * | 2004-12-30 | 2006-03-29 | 北京远创铜箔设备有限公司 | Electrolytic copper foil production apparatus |
| CN201058891Y (en) * | 2007-07-20 | 2008-05-14 | 西安耐通机电科技有限责任公司 | Fully-suspended encapsulated type anode groove |
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2011
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4898647A (en) * | 1985-12-24 | 1990-02-06 | Gould, Inc. | Process and apparatus for electroplating copper foil |
| US4692221A (en) * | 1986-12-22 | 1987-09-08 | Olin Corporation | In-situ dendritic treatment of electrodeposited foil |
| EP0504939A2 (en) * | 1991-03-21 | 1992-09-23 | Eltech Systems Corporation | Electrolytic cell anode |
| JP2002004095A (en) * | 2000-06-21 | 2002-01-09 | Japan Carlit Co Ltd:The | Insoluble anode and power feeding method for the same |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937042A (en) * | 2016-05-30 | 2016-09-14 | 安徽铜冠铜箔有限公司 | Electronic copper foil manufacturing device |
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| CN111020642A (en) * | 2019-12-29 | 2020-04-17 | 圣达电气有限公司 | High-efficient circulation positive pole groove of crude foil machine |
| CN115418684A (en) * | 2022-10-09 | 2022-12-02 | 铜陵市华创新材料有限公司 | Titanium anode slot structure required by electrolytic copper foil and manufacturing process |
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| CN102321895B (en) | 2013-10-23 |
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Granted publication date: 20131023 Termination date: 20170901 |