CN1525002A - Antirust overlay film forming method of pc steel strand - Google Patents
Antirust overlay film forming method of pc steel strand Download PDFInfo
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- CN1525002A CN1525002A CNA2004100069234A CN200410006923A CN1525002A CN 1525002 A CN1525002 A CN 1525002A CN A2004100069234 A CNA2004100069234 A CN A2004100069234A CN 200410006923 A CN200410006923 A CN 200410006923A CN 1525002 A CN1525002 A CN 1525002A
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- Prior art keywords
- steel strand
- overlay film
- heart yearn
- strand wires
- iron powder
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/08—Several wires or the like stranded in the form of a rope
- H01B5/10—Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/06—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core
- D07B1/0693—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core having a strand configuration
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B7/00—Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines
- D07B7/16—Auxiliary apparatus
- D07B7/18—Auxiliary apparatus for spreading or untwisting ropes or cables into constituent parts for treatment or splicing purposes
- D07B7/185—Auxiliary apparatus for spreading or untwisting ropes or cables into constituent parts for treatment or splicing purposes for temporarily untwisting ropes or cables into constituent parts for applying a coating
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2001—Wires or filaments
- D07B2201/201—Wires or filaments characterised by a coating
- D07B2201/2011—Wires or filaments characterised by a coating comprising metals
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2001—Wires or filaments
- D07B2201/201—Wires or filaments characterised by a coating
- D07B2201/2012—Wires or filaments characterised by a coating comprising polymers
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2001—Wires or filaments
- D07B2201/201—Wires or filaments characterised by a coating
- D07B2201/2013—Wires or filaments characterised by a coating comprising multiple layers
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2047—Cores
- D07B2201/2052—Cores characterised by their structure
- D07B2201/2059—Cores characterised by their structure comprising wires
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2047—Cores
- D07B2201/2052—Cores characterised by their structure
- D07B2201/2065—Cores characterised by their structure comprising a coating
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2401/00—Aspects related to the problem to be solved or advantage
- D07B2401/20—Aspects related to the problem to be solved or advantage related to ropes or cables
- D07B2401/202—Environmental resistance
- D07B2401/2025—Environmental resistance avoiding corrosion
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2501/00—Application field
- D07B2501/20—Application field related to ropes or cables
- D07B2501/2015—Construction industries
- D07B2501/2023—Concrete enforcements
Landscapes
- Ropes Or Cables (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
A method of forming corrosion protection coating on prestressed concrete strand by forming double corrosion protection coating on a core wire and side wires and performing a blasting process after formation of plating coating is provided to achieve improved adhesion of resin coating to plating coating and corrosion protection performance of resin coating. A method comprises a step of forming a plating coating(12) on the outer surface of an element wire(11); a step of wire drawing the element wire where the plating coating is formed; a step of forming a prestressed concrete strand constituted by core wire and side wires, by twisting and combining element wires; a step of temporarily unwinding the prestressed concrete strand, and performing a blasting process on the core and side wires; a step of forming resin coating on the outer surfaces of the blasted core and side wires; and a step of cooling the resin coating, and re-twisting and combining the prestressed concrete strand.
Description
Technical field
The present invention relates to formation method as the antirust overlay film of the PC steel strand wires of the tendon of the prestressed concrete construction method in building structure and the civil structure thing.
Background technology
Method as the double-deck antirust coat that is formed for preventing the steel wire corrosion on the heart yearn of steel strand wires and side line for example has the invention of patent documentation 1-Japanese kokai publication hei 11-120826 communique (Fig. 1).Its content is to form aluminium zinc overlay film layer on the outer peripheral face of heart yearn and side line, at this formation resin coating above overlay film layer.
; in formation method as above-mentioned double-deck antirust coat; though can form the epoxy resin overlay film with forming the temporary transient untwisted of steel strand wires of aluminium zinc overlay film layer, there is the problem of tack difference in this epoxy resin overlay film layer because of the grease part of aluminium zinc overlay film layer.
Summary of the invention
In view of the above problems, the objective of the invention is to, provide a kind of in the formation method of double-deck antirust coat, resin coating is to the antirust film formation method of the good PC steel strand wires of the tack of the heart yearn of untwisted and side line.
For solving above problem, the antirust film formation method of PC steel strand wires of the present invention is made of following operation: form on the outer peripheral face of former stockline and electroplate overlay film, the former stockline that will be formed with this plating overlay film carries out backguy to be handled and the former stockline of formation twisted wire, this twisted wire is twisted together with many of former stocklines and form the PC steel strand wires that constitute by heart yearn and side line, the temporary transient untwisted of these PC steel strand wires is carried out bead with heart yearn and side line, on the outer peripheral face of heart yearn that carries out this bead and side line, form resin coating, twist together once again after cooling off this resin coating.In addition, the emitted dose that the present invention includes bead is 100～250kg/hr.Also comprise the mixing iron powder that bead use shot-peening is used and abrasive dust is used, the shot-peening iron powder is the spherical iron powder of diameter 0.2～0.4mm, and the abrasive dust iron powder is the cube iron powder of dimension 0.3～0.8mm.
Owing to carry out bead by the side line that makes the PC steel strand wires from the temporary transient untwisted of heart yearn, electroplate the overlay film cleaning surfaces and become appropriate matsurface, so improved the tack of resin coating to heart yearn and side line.
In addition, the emitted dose of bead the best is 180kg/hr, when not enough 100kg/hr, unfavorable situation that can exist surperficial grease part not remove fully when surpassing 250kg/hr, can lose the plating overlay film, and the iron powder of shot-peening breaks, and causes unfavorable situation of deterioration of efficiency.
In addition, by in bead, using the mixing iron powder that shot-peening is used and abrasive dust is used, can make zinc overlay film surface become the matsurface of cleaning and appropriateness.
In addition, when shot-peening is used iron powder diameter deficiency 0.2mm, the situation that is not suitable for that can take place to make the plane cleaning and can not remove surperficial grease part.In addition, when abrasive dust was used iron powder dimension deficiency 0.3mm, surface roughness can be not suitable for, and when dimension surpassed 0.8mm, surface roughness was excessive, the smoothness variation of coating resin, and also iron powder also breaks easily.
Description of drawings
Fig. 1 (a) is the schematic diagram of the plating machining line in the 1st operation of antirust film formation method of PC steel strand wires of the present invention, and Fig. 1 (b) is the processed bus and the profile of former stockline;
Fig. 2 (a) is the side view of the backguy machining line in the same the 1st operation, and Fig. 2 (b) is the processed twisted wire profile with former stockline;
Fig. 3 (a) is the side view of the twisted wire machining line in the same the 1st operation, and Fig. 3 (b) is the profile of processed PC steel strand wires;
Fig. 4 is the side view of the antirust overlay film machining line of the resin coating processing in the 2nd operation;
Fig. 5 (a) is the same by the profile of the twisted wire of untwisted with former stockline, and Fig. 5 (b) is the profile of slow closing device, and Fig. 5 (c) is the profile that forms the PC steel strand wires of antirust overlay film.
Symbol description
1 13,16,21 machining lines, 2 buses
3 3a, 3b, 3c cylinder 4 decoiling equipments
The 1st carrying out washing treatment of 5 pull-out rolls 6
Carrying out washing treatment is handled in 7 backguys 8 the 2nd times
9 electroplating processes, 10 coiler devices
11 former stocklines 12 are electroplated overlay film
14 twisted wires are handled with former stockline 15 twisted wires
17 heart yearns, 18 side lines
19 PC steel strand wires, 20 resin coatings
Holdout device is opened in the expansion of 22 slow deactivation device, 23 front sides
No. the 1st heater of 24 heart yearn regulators 25
No. the 2nd heater of 26 powder apparatus for coating 27
28 cooling devices, 29 rear sides expand opens holdout device
30 slow closing device 31 determining film thickness devices
32 micropore checkout gears, 33 extractors
34 shot-blast units, 35 supporting arms
36 fixed blocks, 37 movable pulleys
38 bead
The specific embodiment
The embodiment of the antirust film formation method (hereinafter referred to as film formation method) of PC steel strand wires of the present invention is described below with reference to the accompanying drawings.Film formation method of the present invention is made of the 1st operation and the 2nd operation, Fig. 1～3 expression is mainly handled the 1st operation that constitutes by backguy and twisted wire after backguy and electroplating processes, the plating, and Fig. 4 and Fig. 5 represent slowly to untie twisted wire that twisted wire handles, form antirust overlay film, revert to the 2nd operation of original twisted wire state thereafter.In addition, in each operation, give identical symbol for identical component part and describe, only give different symbols and describe for different component parts.
Fig. 1 (a) is the schematic diagram that the machining line 1 of backguy in the 1st operation and electroplating processes is implemented in expression.In addition, Fig. 1 (b) is the profile of the machine process of expression bus 2 to be processed, and the diameter of this bus 2 is 10～14mm.The bus 2 of preseting length is wound on the cylinder 3, and this cylinder 3 is fixed on the decoiling equipment 4 of an end of machining line 1.
And the bus 2 of pulling out from this decoiling equipment 4 with pull-out roll 5 is handled 7, the 2nd carrying out washing treatment 8 and electroplating processes 9 through the 1st carrying out washing treatment 6, backguy, is wound onto on the cylinder 3a in the coiler device 10 of another end.
The 1st carrying out washing treatment 6 is made of acid elution and water washing, begins the outer peripheral face with hydrochloric acid solution washing bus 2, washes with water then attached to the hydrochloric acid solution on the outer peripheral face of bus 2.In addition, backguy handle 7 with carrying out washing treatment the bus 2 of diameter 10～14mm carry out cold drawing processing, make the former stockline 11 of diameter 5～9mm.
Then, will handle the former stockline 11 continuation tractions of the 7 diameter 5～9mm that form, carry out carrying out washing treatment 8 the 2nd time by backguy.The 2nd carrying out washing treatment 8 is former stockline 11 to be immersed in the flux solution tank carry out, and adds the saturated solution of ammonium chloride or the complex salt solution of ammonium chloride and zinc chloride in this flux solution tank.
Then, the former stockline 11 that will carry out the 2nd carrying out washing treatment 8 carries out after the dried, implements electroplating processes 9.As the electroplating processes 9 of this occasion, for example, can be immersed in the fused zinc groove of filling fused zinc, form with zinc and electroplate overlay film 12.And the former stockline 11 that forms this plating overlay film 12 is reeled by coiler device 10.In addition, as electroplating processes 9, except above-mentioned zinc-plated, also can be galvanized alloy, alloy plating, copper facing or chromium plating etc.
In addition, Fig. 2 (a) is the schematic diagram that 7 backguy machining line 13 is handled in the backguy of the former stockline 11 of expression in the 1st operation.This machining line is also same with above-mentioned operation, be on the decoiling equipment 4 of cylinder 3a with the former stockline 11 of a reeling end being fixed on machining line 13, process by cold drawing, the former stockline 11 of pulling out thus with pull-out roll 5 is carried out backguy handle 7, and be wound on the cylinder 3b in the coiler device 10 that is fixed in another end.Shown in Fig. 2 (b), handle 7 by this backguy, formed the former stockline 11 of electroplating overlay film 12 and become twisted wire about diameter 4～5mm with former stockline 14 by backguy.
In addition, Fig. 3 (a) be expression with in the 1st operation the twisted wire of backguy carry out the schematic diagram of the twisted wire machining line 16 of twisted wire processing 15 with former stockline 14.This twisted wire machining line is also with above-mentioned same, is the coiling twisted wire is fixed on the cylinder 3b of former stockline 14 on the decoiling equipment 4 of an end of twisted wire machining line 16, pulls out thus with pull-out roll 5 and carries out the twisted wire processing.Because will carrying out twisted wire with former stockline 14 with 7 twisted wires, this occasion handles 15, so, an end at twisted wire machining line 16, cylinder 3b with former stockline 14 is separately fixed on 7 decoiling equipments 4 with the coiling twisted wire, its 7 twisted wires are pulled out with former stockline 14, handle 15 strands together by twisted wire, make PC steel strand wires 19, be wound on the cylinder 3c in the coiler device 10 of another end.
It is that 7 twisted wires are twisted together with former stockline 14 that this twisted wire handles 15, with 1 in these 7 as heart yearn 17, around this heart yearn 17, with 6 twisted wires with former stockline 14 as side line 18, and be twisted into helical form, shown in Fig. 3 (b), form PC steel strand wires 19.And, to the heart yearn 17 and the side line 18 of the PC steel strand wires 19 that in the 1st operation, form, in the 2nd operation, implement antirust overlay film and form and handle.
Fig. 4 is the schematic diagram of the antirust overlay film machining line 21 in expression the 2nd operation.An end side, be provided with the decoiling equipment 4 of the cylinder 3c of the PC steel strand wires 19 that form in above-mentioned the 1st operation of fixing wound, by 4 of this decoiling equipments to the other end side, be provided with pull-out roll 5 with abutment in turn, slow deactivation device 22, holdout device 23 is opened in the front side expansion, heart yearn regulator 24, No. the 1st heater 25, powder apparatus for coating 26, No. the 2nd heater 27, cooling device 28, rear side expands opens holdout device 29, slow closing device 30, determining film thickness device 31, micropore checkout gear 32, extractor 33 and coiler device 10 are provided with shot-blast unit 34 between heart yearn regulator 24 and No. the 1st heater 25.
As mentioned above, be fixed on the PC steel strand wires 19 of the coil of wire shape on the decoiling equipment 4, pull out in turn thus with pull-out roll 5, with slow deactivation device 22, make with heart yearn 17 and be twisted into spiral helicine side line 18 untwisted, open holdout device 23,29 with the expansion of front and back and make it be extended to predetermined distance, and keep this state.
Be arranged on above-mentioned front side and expand can the reel remainder of the heart yearn 17 that when heart yearn 17 and side line 18 form resin coatings 20, produces of the heart yearn regulator 24 of the rear side of opening apparatus 23.This be because, after slowly untiing PC steel strand wires 19, on heart yearn 17 and side line 18, forming the resin coating of the thickness of wanting, once more during slow closure, when promptly returning to former twisted wire state, because the diameter of heart yearn 17 and side line 18 has increased the thickness part of resin coating 20 respectively, this thickness part that the coiling of the side line 18 corresponding with heart yearn 17 is only many, so with slowly untie before compare, the curtailment of the side line 18 corresponding with heart yearn 17 causes heart yearn 17 residues at leisure.
This heart yearn regulator 24 is made of the fixed block 36 and the movable pulley 37 that support with supporting arm 35, usually, with helical spring etc. this movable pulley 37 is strained to the direction of drawing back from fixed block 36.And, even with slow deactivation device 22 untwisted, open holdout device 23,29 by the expansion of front and back side line 18 be extended under the state of predetermined distance, heart yearn 17 just occurs relaxing, and presents residual state.This remaining heart yearn 17 can be performed as follows adjustment: the side volume of pulling out from slow deactivation device 22 is hung on the movable pulley 37, and it is turned back, after volume hung on the fixed block 36, layback went out in the wings, when its volume is hung, because of remainder few, fixed block 36 and movable pulley 37 are in approaching state, but when remainder slowly increased, movable pulley 37 can move to the direction of drawing back from fixed block 36, thereby the remainder of heart yearn 17 is just not lax.
In addition, above-mentioned shot-blast unit 34 uses the mixing iron powder that shot-peening is used and abrasive dust is used, with 100～25kg/hr emitted dose, this mixing iron powder is sprayed onto on the surface of the plating overlay film 12 that is in the heart yearn 17 of slowly untiing state and side line 18, removing the grease that adheres on the surface partly waits cleaning such as attachment or rust cleaning and makes the surface form matsurface, for example, the shot-peening iron powder is the spherical iron powder about diameter 0.2～0.4mm, and the abrasive dust iron powder is the cube iron powder of dimension 0.3～0.8mm.
Before the formation of the antirust overlay film in the 2nd such operation is the formation of resin coating 20, shown in Fig. 5 (a), carry out bead 38 by shot-blast unit 34 generations, this bead 38, by making PC steel strand wires 19 untwisted, with shot-peening with and the mixing iron powder used of abrasive dust roughly be sprayed onto equably on the surface of the plating overlay film 12 on the heart yearn 17 slowly untied and each side line 18 and clean, form matsurface simultaneously, can improve the formation of the antirust overlay film in the 2nd operation, promptly can improve the tack of resin coating 20.
At this moment, bead 38 suits to carry out in the scope of emitted dose 100～250kg/hr, preferably 180kg/hr.In addition, during the emitted dose of bead is not enough 100kg/hr, for example, unfavorable situation that the grease part that can take place to adhere on the surface of plating overlay film 12 can not be removed fully, when perhaps surpassing 250kg/hr, meeting be pruned and lose and be electroplated overlay film 12, or the iron powder of injection is broken and unfavorable situation of deterioration of efficiency.
Make heart yearn 17 and each side line 18 of the bead 38 that is through with keep the original state of slowly untiing, move to heater 25 No. the 1st time, be heated to the temperature of wanting, be moved to powder apparatus for coating 26 in its heated state with No. the 1st heater 25.In this powder apparatus for coating 26, with the electrostatic applications method with thermosetting resin or thermoplastic resin roughly be coated on equably the heart yearn 17 that is in heated condition and each side line 18 around.
The resin that use this moment can be epoxy resin, mylar, fluoride resin, polyvinyl resin etc. for example, as the electrostatic applications method, for example can adopt static slipper dip powder coating technique.In addition, with powder be coated on the heart yearn 17 that is in heated condition in advance and each side line 18 around resin, because of the heat that heating produces, more than half partial melting of coat binding face is membranaceous and adheres to.
Then, the heart yearn 17 of coating resin and each side line 18 kept slowly untie state and move to heater 27 No. the 2nd time, by with No. the 2nd heater 27 from the fusing of outside heating coating resin, further make all fusings, as being roughly uniform membranaceous resin coating 20 attached to around heart yearn 17 and each side line 18.
Like this after formation is in the resin coating 20 of molten state around heart yearn 17 and each side line 18, move to cooling device 28 thereafter, make all coolings by this cooling device 28, can guarantee by this, resin coating 20 solidifies, and heart yearn 17 and each side line 18 form the resin coating 20 as antirust overlay film separately respectively.
In addition, holdout device 29 is opened in the heart yearn 17 and the 18 process rear sides expansions of each side line that form resin coating 20, if it is stranded once more with the slow closing device 30 shown in Fig. 5 (b), then shown in Fig. 5 (c), the PC steel strand wires 19 that each line all independently implements to electroplate the double-deck antirust overlay film of overlay film 12 and antirust overlay film 20 have just been finished.
Form the PC steel strand wires 19 of double-deck antirust overlay film like this, detect the state (good, not) of antirust overlay film,, reel by coiler device 10 through extractor 33 with the micropore checkout gear 32 of determining film thickness device 31 and overlay film.
Formation method with the antirust overlay film of PC steel strand wires of the present invention, can make heart yearn and each side line form the antirust overlay film of the bilayer of electroplating overlay film and resin coating, and, after forming, carrying out bead at the plating overlay film, resin coating becomes good to the adaptation and the tack of electroplating overlay film.In addition, because adaptation and tack are good, so the rust-preventing characteristic of resin coating improves.
In addition, be taken as 100～250kg/hr, use the mixing iron powder that shot-peening is used and abrasive dust is used, can make the plating overlay film cleaning in heart yearn and the side line and form appropriate matsurface by emitted dose with bead.
Claims (3)
1. the antirust film formation method of PC steel strand wires, it is characterized in that, constitute by following operation: on the outer peripheral face of former stockline, form and electroplate overlay film, the former stockline that forms this plating overlay film is carried out backguy to be handled and the former stockline of formation twisted wire, this twisted wire is twisted together with many of former stocklines and form the PC steel strand wires that constitute by heart yearn and side line, the temporary transient untwisted of these PC steel strand wires is carried out bead to heart yearn and side line, on the outer peripheral face of heart yearn that carries out this bead and side line, form resin coating, twist together once again after cooling off this resin coating.
2. the antirust film formation method of PC steel strand wires according to claim 1 is characterized in that the emitted dose of bead is 100～250kg/hr.
3. the antirust film formation method of PC steel strand wires according to claim 1 and 2, it is characterized in that, bead is used the mixing iron powder that shot-peening is used and abrasive dust is used, and the shot-peening iron powder is the spherical iron powder of diameter 0.2～0.4mm, and the abrasive dust iron powder is the cube iron powder of dimension 0.3～0.8mm.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003053718A JP3654889B2 (en) | 2003-02-28 | 2003-02-28 | Method for forming anti-rust coating on PC steel stranded wire |
| JP2003053718 | 2003-02-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1525002A true CN1525002A (en) | 2004-09-01 |
| CN1303284C CN1303284C (en) | 2007-03-07 |
Family
ID=33118250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100069234A Expired - Fee Related CN1303284C (en) | 2003-02-28 | 2004-02-26 | Antirust overlay film forming method of pc steel strand |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP3654889B2 (en) |
| KR (1) | KR100563113B1 (en) |
| CN (1) | CN1303284C (en) |
| HK (1) | HK1065079A1 (en) |
| TW (1) | TWI290596B (en) |
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| CN102245315A (en) * | 2009-04-23 | 2011-11-16 | 黑泽建设株式会社 | Method for forming rust-proof film on PC steel wire and PC steel wire |
| CN103572629A (en) * | 2012-08-02 | 2014-02-12 | 黑泽建设株式会社 | Method for forming rustproof film on PC steel strand and PC steel strand |
| CN109811566A (en) * | 2017-11-21 | 2019-05-28 | 江苏法尔胜技术开发中心有限公司 | High-wearing feature wirerope and its production method |
| CN111590468A (en) * | 2020-07-03 | 2020-08-28 | 常德力元新材料有限责任公司 | Manufacturing device for metal thin strip with large roughness and high specific surface area |
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| JP3939679B2 (en) * | 2003-06-18 | 2007-07-04 | 黒沢建設株式会社 | PC steel strand anticorrosive coating double bond structure forming method and PC steel strand |
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| US20130133804A1 (en) * | 2011-11-29 | 2013-05-30 | Samy Laroussi Mzabi | Texturing of a reinforcing cord for a pneumatic tire |
| JP5172028B1 (en) | 2012-04-12 | 2013-03-27 | 黒沢建設株式会社 | Double rust prevention PC steel strand |
| TWI633192B (en) * | 2014-07-15 | 2018-08-21 | 日新製鋼股份有限公司 | Molten-aluminum plated steel wire and stranded wire and method for fabricating the same |
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2003
- 2003-02-28 JP JP2003053718A patent/JP3654889B2/en not_active Expired - Lifetime
-
2004
- 2004-02-11 TW TW093103232A patent/TWI290596B/en not_active IP Right Cessation
- 2004-02-18 KR KR1020040010684A patent/KR100563113B1/en active IP Right Grant
- 2004-02-26 CN CNB2004100069234A patent/CN1303284C/en not_active Expired - Fee Related
- 2004-10-15 HK HK04107980A patent/HK1065079A1/en not_active IP Right Cessation
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102245315A (en) * | 2009-04-23 | 2011-11-16 | 黑泽建设株式会社 | Method for forming rust-proof film on PC steel wire and PC steel wire |
| CN102245315B (en) * | 2009-04-23 | 2014-03-12 | 黑泽建设株式会社 | Method for forming rust-proof film on PC steel wire and PC steel wire |
| CN103572629A (en) * | 2012-08-02 | 2014-02-12 | 黑泽建设株式会社 | Method for forming rustproof film on PC steel strand and PC steel strand |
| CN103572629B (en) * | 2012-08-02 | 2016-08-10 | 黑泽建设株式会社 | The antirust film formation method of PC steel strand wires |
| CN109811566A (en) * | 2017-11-21 | 2019-05-28 | 江苏法尔胜技术开发中心有限公司 | High-wearing feature wirerope and its production method |
| CN111590468A (en) * | 2020-07-03 | 2020-08-28 | 常德力元新材料有限责任公司 | Manufacturing device for metal thin strip with large roughness and high specific surface area |
Also Published As
| Publication number | Publication date |
|---|---|
| TW200500530A (en) | 2005-01-01 |
| KR100563113B1 (en) | 2006-03-27 |
| TWI290596B (en) | 2007-12-01 |
| CN1303284C (en) | 2007-03-07 |
| JP2004263320A (en) | 2004-09-24 |
| KR20040077470A (en) | 2004-09-04 |
| JP3654889B2 (en) | 2005-06-02 |
| HK1065079A1 (en) | 2005-02-08 |
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