CN1721619A - Method for manufacturing rustproof coated steel strand - Google Patents
Method for manufacturing rustproof coated steel strand Download PDFInfo
- Publication number
- CN1721619A CN1721619A CNA2005100545447A CN200510054544A CN1721619A CN 1721619 A CN1721619 A CN 1721619A CN A2005100545447 A CNA2005100545447 A CN A2005100545447A CN 200510054544 A CN200510054544 A CN 200510054544A CN 1721619 A CN1721619 A CN 1721619A
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- steel strand
- synthetic resin
- strand wires
- resin material
- steel
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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
- D07B7/02—Machine details; Auxiliary devices
- D07B7/14—Machine details; Auxiliary devices for coating or wrapping ropes, cables, or component strands thereof
- D07B7/145—Coating or filling-up interstices
-
- 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
-
- 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
- D07B2201/2015—Strands
- D07B2201/2042—Strands characterised by a coating
- D07B2201/2044—Strands characterised by a coating comprising polymers
-
- 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
- D07B2201/2015—Strands
- D07B2201/2046—Strands comprising fillers
-
- 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
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- Ropes Or Cables (AREA)
Abstract
To provide a method for producing rustproof-coated steel strand of low relaxation at low cost.The method comprises the following process: Steel strand A formed by laying up a plurality of steel wires 1, 1... is threaded through synthetic resin extruders 4 and 5 to subject the strand A to rustproof-coating treatment and fill a thermoplastic synthetic resin material in the voids formed among the respective steel wires along with coating the outer circumference of the strand A with the thermoplastic synthetic resin material. In this process, after forming the strand A by laying up the plurality of steel wires 1, 1..., the strand A is subjected to blueing treatment, and the strand A heated by the blueing treatment is threaded through the synthetic resin extruders 4 and 5 to subject the strand A to the rustproof-coating treatment.
Description
Technical field
The present invention mainly relates to the PC wire rod or opens tensioning that string beam portion the uses manufacture method with employed rustproof coated steel strands such as chord members.
Background technology
In the past, at the PC wire rod or open in the manufacturing of tensioning that string beam portion uses with employed rustproof coated steel strands such as chord members, be at the side line that disposes on every side by the heart yearn that steel core wire constituted by many steel core wires constituted, be twisted into steel strand wires by wire twisting machine, and rustproof coated processing is implemented in the antirust processing site of transferring to other.
In the manufacture process of steel strand wires, after each steel core wire is stranded, steel strand wires to be heated to 350 ℃ of 300 ℃ of ∽ and implement the oil blackeite processing, improve TENSILE STRENGTH, elastic limit, endurance limit of steel strand wires or the like, degree by steel strand wires being heated to 350 ℃ of 300 ℃ of ∽ and apply the stretching loading and give certain permanent deformation, cool off (so-called hot-stretch processing) afterwards, to reduce its slackness.
On the other hand, in rustproof coated processing procedure, the steel strand wires of implementing above-mentioned turn blue processing or hot-stretch processing to be heated to the degree of 300 ℃ of 200 ℃ of ∽, and make it pass through the synthetic resin extrusion moulding machine of crosshead, and the synthetic resin material of thermoplasticity is filled to the space between each steel core wires of steel strand wires, covers the periphery of steel strand wires simultaneously with the synthetic resin material.
[patent documentation 1] Japanese kokai publication sho 57-198211 communique
No. 2537457 communique of [patent documentation 2] Japan Patent
; when adopting above-mentioned traditional technology; owing to be to finish twisted wire operation and rustproof coated operation in different places; to between two operation places, transport goods, be steel strand wires; need expense; be the main cause that allows the cost of goods rise, and also will remove the scale (taking off rust handles) etc. of steel strand wires during operation.
In addition, carrying out the antirust man-hour that adds, owing to the steel strand wires that will handle implementing to turn blue or hot-stretch is handled heat once more, so can increase slackness, can damage the effect that hot-stretch is handled, and for heating once again, need expensive heater, can increase operating cost.
Summary of the invention
The present invention is in view of the problem of above-mentioned conventional art, and purpose is to provide a kind of manufacture method of rustproof coated steel strand, can obtain the rustproof coated steel strand of underrelaxation at low cost.
In order to solve the problem of conventional art, the manufacture method of the rustproof coated steel strand of the 1st scheme is to be heated by the many stranded steel strand wires that form of steel core wire, make the steel strand wires that are in this heated condition pass through the synthetic resin extrusion moulding machine of crosshead, the synthetic resin material of thermoplasticity is filled in the space that forms between each steel core wire, then with the be covered periphery of the steel strand wires that are filled with this synthetic resin material of the synthetic resin material of thermoplasticity.
The 2nd scheme is in the 1st scheme, after each steel core wire is twisted into steel strand wires, these steel strand wires are implemented to turn blue processing, make and be in by the synthetic resin extrusion moulding machine of the steel strand wires of this processing heated state of turning blue by crosshead, the synthetic resin material of thermoplasticity is filled in the space that forms between each steel core wire, then with the be covered periphery of the steel strand wires that are filled with this synthetic resin material of the synthetic resin material of thermoplasticity.
The 3rd scheme is in the 1st scheme, steel strand wires are carried out heat treated on one side, give certain permanent deformation on one side, make and be in by the synthetic resin extrusion moulding machine of the steel strand wires of this heat treated heated state by crosshead, the synthetic resin material of thermoplasticity is filled in the space that forms between each steel core wire, then with the be covered periphery of the steel strand wires that are filled with this synthetic resin material of the synthetic resin material of thermoplasticity, then with above-mentioned steel strand wires cooling.
The 4th scheme is in the 2nd scheme, steel strand wires are carried out heat treated on one side, give certain permanent deformation on one side, make and be in by the synthetic resin extrusion moulding machine of the steel strand wires of this heat treated heated state by crosshead, the synthetic resin material of thermoplasticity is filled in the space that forms between each steel core wire, then with the be covered periphery of the steel strand wires that are filled with this synthetic resin material of the synthetic resin material of thermoplasticity, then with above-mentioned steel strand wires cooling.
The 5th scheme is in the 1st, 2,3 or 4 schemes, making before steel strand wires pass through the synthetic resin extrusion moulding machine, also heats by induction heating apparatus.
The 6th scheme is in the 1st, 2,3 or 4 schemes, and the thermoplastic synthetic resin material is the synthetic resin material of polyethylene kind or polypropylene type.
The 7th scheme is in the 5th scheme, and the thermoplastic synthetic resin material is the synthetic resin material of polyethylene kind or polypropylene type.
The 8th scheme is in the 1st scheme, and steel strand wires are being heated below 250 ℃.
The manufacture method of rustproof coated steel strand of the present invention, be that the steel strand wires that are twisted into by many steel core wires are heated, make the steel strand wires that are in this heated condition pass through the synthetic resin extrusion moulding machine of crosshead, and the synthetic resin material of thermoplasticity is filled in the space that forms between each steel core wire, the periphery of the steel strand wires of this synthetic resin material with the filling that is covered of the synthetic resin material of thermoplasticity then, can suitably the synthetic resin material be filled in the internal voids thus, and can obtain very high rust-proof effect.
The present invention implements to turn blue processing to these steel strand wires after each steel core wire is twisted into steel strand wires, and make owing to this steel strand wires that are in heated condition synthetic resin extrusion moulding machine that turns blue by crosshead, the synthetic resin material of thermoplasticity is filled in the space that forms between each steel core wire, the periphery of the steel strand wires of this synthetic resin material with the filling that is covered of the synthetic resin material of thermoplasticity then, therefore can finish twisted wire operation and rustproof coated operation with same production line, so can reduce the freight between each operation field in the past, again because the heat handled of will turning blue is used for the heating when rustproof coated, so can exempt heater, can reduce all operations, and the attenuating expense.
The present invention is that steel strand wires are carried out heat treated gives certain permanent deformation on one side on one side, make owing to this heat treated is in the synthetic resin extrusion moulding machine of the steel strand wires of heated condition by crosshead, the synthetic resin material of thermoplasticity is filled in the space that forms between each steel core wire, then with the be covered periphery of the steel strand wires that are filled with this synthetic resin material of the synthetic resin material of thermoplasticity, then with above-mentioned steel strand wires cooling, therefore can not obtain the rustproof coated steel strand of underrelaxation because of rustproof coated processing increases slackness.
The present invention also heats steel strand wires before by the synthetic resin extrusion moulding machine, therefore then can obtain more stable heated condition by induction heating apparatus.
Therefore the synthetic resin material that thermoplastic synthetic resin material of the present invention is polyethylene kind or polypropylene type can not lose flowability suitably filling and lining.
The present invention is heating steel strand wires below 250 ℃, therefore not utilizing the temperature of turn blue processing or hot-stretch processing, promptly uses other antirust machining production line to carry out operation, also can keep the quality of steel strand wires, particularly can suppress the deterioration of slackness.
Description of drawings
Fig. 1 is the generalized schematic of the employed manufacturing installation of manufacture method of rustproof coated steel strand of the present invention.
Fig. 2 is the cutaway view of the used single treatment of the present invention with the forming synthetic resin machine.
Fig. 3 is the cutaway view of the used periphery lining of the present invention with the forming synthetic resin machine.
Fig. 4 is the cutaway view of an example of employed steel strand wires in the methods of the invention.
Fig. 5 is the cutaway view that reaches the steel strand wires of the processing that once is covered through inner filling of the present invention.
Fig. 6 is the cutaway view of above-mentioned rustproof coated steel strand.
Fig. 7 is the cutaway view by other examples of the rustproof coated steel strand of the inventive method manufacturing.
Fig. 8 is the generalized schematic of other examples of the employed manufacturing installation of manufacture method of rustproof coated steel strand of the present invention.
Fig. 9 is the cutaway view with other examples of the rustproof coated steel strand of the inventive method manufacturing.
Figure 10 is another routine cutaway view of the rustproof coated steel strand made of the present invention.
Figure 11 is another routine cutaway view of the rustproof coated steel strand made of the present invention.
Figure 12 is another routine cutaway view of the rustproof coated steel strand made of the present invention.
The specific embodiment
Fig. 1 is the generalized schematic of the manufacturing installation of the employed rustproof coated steel strand of the inventive method.
The manufacturing installation of this rustproof coated steel strand has: with many steel core wires 1,1 is twisted into the wire twisting machine 2 of steel strand wires A, be used for steel strand wires A the turning blue of handling of implementing to turn blue handled with heater 3, be used for the thermoplastic synthetic resin material is filled to each steel core wire 1 of steel strand wires A, 1.. between the crosshead synthetic resin extrusion moulding machine 4 in space, the synthetic resin material is overlayed on the crosshead synthetic resin extrusion moulding machine 5 of steel strand wires A periphery, and cooling device 6, by finishing the twisted wire operation successively, the treatment process of turning blue, rustproof coated operation, and refrigerating work procedure is made rustproof coated steel strand B.
Turn blue handle with heater 3 with the steel strand wires A that sends in the oxidation medium by the high-frequency induction heating coil or directly switch on mechanism and heat with 300 ℃～350 ℃, and cover the surface of steel strand wires A with the oxide-film of blueness.
Single treatment is used crosshead synthetic resin extrusion moulding machine shown in Figure 2 with forming synthetic resin machine 4.On this forming machine 4, engaging auxiliary pressurization head 10 along the front end extending direction of cross head 9, have shaping dies 11 at its front end.
The interior week of shaping dies 11 is a circular structure, and the size in interior week is equivalent to the size behind the resin that has been covered on steel strand wires A.12 is heater among the figure.
The periphery lining is used crosshead synthetic resin extrusion moulding machine shown in Figure 3 with forming synthetic resin machine 5.Front end at the cross head 13 of this forming machine 5 is equipped with shaping dies 14.
The geomery of shaping dies 14 is equivalent to the geomery after the outside of the once lining processing steel strand wires after handling that carried out with forming synthetic resin machine 4 with single treatment once being covered is carried out the periphery lining again.
Below be illustrated at the manufacture method of rustproof coated steel strand.
At first, by wire twisting machine 2 stranded each steel core wire 1,1.., as shown in Figure 4, be side line 1b, the 1b.. of configuration plural number around heart yearn 1a, it is twisted into helical form, form steel strand wires A.
Then, these steel strand wires A is handled with heater 3 by turning blue, heat the processing of implementing to turn blue with 300 ℃～350 ℃.
The surface coverage of the steel strand wires A that handles through turning blue blue oxide-film.
Make then through this steel strand wires A of handling and being in heated condition of turning blue by single treatment with forming synthetic resin machine 4, make steel strand wires A reach the center of auxiliary pressurization head 10 continuously by cross head 9, the thermoplastic synthetic resin material is dissolved it is expressed in the cross head 9, in by the process in the auxiliary polishing head 10, above-mentioned synthetic resin material pressurizeed by the space between steel core wire 1, the 1.. from the periphery of steel strand wires A to be injected in internal voids 15, the 15...
Meanwhile, come the outer peripheral face of coated steel strand A with the synthetic resin material.Thus, as shown in Figure 5, form the once lining portion 17 of inner filling part 16 and periphery.
At this moment, steel strand wires A is owing to be to handle by turning blue to be heated, even, can suitably the synthetic resin material be filled to each space part 15 and peripheral part (once lining portion), and can not damage the effect of turning blue and handling so do not heat the flowability that yet can not damage the synthetic resin material once more.
As at inner filling portion and the synthetic resin material that uses of lining portion once, can use thermoplastic synthetic resin materials such as the high hard thermoplastic synthetic resin material of polyethylene etc. or saturated polyester class synthetic resin material.
Then, with forming synthetic resin machine 5, form periphery lining portion 18 in the periphery of steel strand wires A by the periphery lining with the thermoplastic synthetic resin material.At this moment, steel strand wires A can not damage the flowability of the synthetic resin of thermoplasticity, the periphery that can suitably come coated steel strand A owing to the waste heat of processing and the inner filling processing of turning blue.
As for the synthetic resin material of periphery lining usefulness, be to use the hard thermoplastic synthetic resin material of polyethylene kind, saturated polyester class or nylon-type.
On the outer peripheral face with the said method lining, periphery lining portion 18 is integrated to melt state, and is admitted to cooling device 6.By with cooling device 6 coolings, once lining portion 17 and periphery lining portion 18 are roughly side by side solidified.In cooling procedure, each synthetic resin material can shrink, but because the periphery of steel strand wires A has spiral helicine jog, the lining thickness of recess and protuberance is variant, therefore when the resin cooling is shunk, can produce the phenomenon that is called " cold contraction ", the part that the thickness of lining is bigger can produce bigger cold shrinkage phenomenon, the section shape that causes rustproof coated steel strand B is not circular, but the shape near circle as shown in Figure 6.
In the above-described embodiment, as Fig. 5, shown in Figure 6, be 18 (once lining portions 17) of periphery formation periphery lining portion, but also can cooperate the peripheral shape of steel strand wires A, promptly form periphery lining portion 18 as shown in Figure 7 according to the concavo-convex shape of the helical form of steel strand wires A periphery at steel strand wires A.
At last rustproof coated steel strand B is wound on the winder 19 and finishes.
But, also can be as shown in Figure 8, turn blue handle with heater 3 and single treatment with forming synthetic resin machine 4 between setting have the constant speed transport 20 and the hot-stretch usefulness heater 21 of brake, and at cooling device 6 back configuration stretching devices 22, the steel strand wires A that handles through turning blue is handled with heater 21, synthetic resin extrusion moulding machine 4,5, cooling device 6 and stretching device 22 by constant speed transport 20, hot-stretch in regular turn, and implement the underrelaxation processing.All additional identical symbol and omission explanations of part same as the previously described embodiments.
It is by the high-frequency induction heating coil or the mechanism of directly switching on that hot-stretch is handled with heater 21, and steel strand wires A is heated to 300 ℃～350 ℃.
Stretching device 22 similarly is made of 24,24 on a pair of crawler belt with constant speed transport 20, clamp through the rustproof coated steel strand B after the rustproof coated processing its stretching with two crawler belts 24,24, to on constant speed transport 20 while the steel strand wires A that is braked and be admitted to certain speed, the tensile force of about 70% degree that applies ultimate tensile strength preferably comes control stretching power by torque converter with its stretching.
By under this heating condition steel strand wires A being stretched between constant speed transport 20 and stretching device 22, make it produce certain permanent deformation.
This manufacturing installation will be carried with constant speed on constant speed transport 20 through the steel strand wires A that handles that turns blue, handle with heater 21 heating with hot-stretch simultaneously, and the steel strand wires that are in heated condition are covered with forming synthetic resin machine 5 with forming synthetic resin machine 4 and periphery by single treatment, and synthetic resin is filled to space between each steel core wire 1,1.., then, the periphery at steel strand wires A has formed the periphery lining portion 18 that the synthetic resin material is constituted.
At this moment, steel strand wires A is also handled by hot-stretch and heats with heater 21 except being heated in the processing procedure of turning blue, so the synthetic resin material can not lose its flowability, and suitably inner filling arrives the space, and forms lining portion in periphery.
Then, by cooling off with cooling device 6, carry out the underrelaxation processing through the rustproof coated steel strand B of rustproof coated processing.
The above embodiments are to use 7 stranded steel strand wires A, but also can use Fig. 9～19 stranded steel strand wires shown in Figure 12, also can use other many stranded steel strand wires.
Rustproof coated steel strand shown in Fig. 9, Fig. 10 is to dispose many piece side line 1b, the 1b..s of diameter less than heart yearn 1a around by heart yearn 1a that steel core wire constituted, and at many piece out conductor 1c, the 1c..s of the outside of side line 1b, 1b.. configuration with the roughly the same diameter of heart yearn 1a, again it is twisted into spiral helicine steel strand wires C, rustproof coated steel strand D shown in Figure 9 is same with above-mentioned rustproof coated steel strand B shown in Figure 6, when forming inner filling portion 16, form once lining portion 17, and form periphery lining portion 18 in its periphery.
On the other hand, rustproof coated steel strand E shown in Figure 10 forms inner filling portion 16, and cooperate the peripheral shape of steel strand wires C, promptly cooperate the concavo-convex state of helical form to form periphery lining portion 18 in the periphery of steel strand wires C, form along the hand of spiral continuous little convex strip portions 30,30.. in the periphery of this periphery lining portion 18.
Figure 11, rustproof coated steel strand shown in Figure 12 is the side line 1b of configuration and the roughly the same diameter of heart yearn 1a around by heart yearn 1a that steel core wire constituted, 1b.., at this side line 1b, 1b.. the outside along the circumferential direction dispose the out conductor 1c bigger alternately than heart yearn 1a diameter, 1c.. and the less out conductor 1d of diameter, 1d.., and it is twisted into steel strand wires F, rustproof coated steel strand G shown in Figure 11 and above-mentioned rustproof coated steel strand B shown in Figure 6 are same, when forming inner filling portion 16, form once lining portion 17, and form periphery lining portion 18 in its periphery.
On the other hand, rustproof coated steel strand H shown in Figure 12 is when forming inner filling portion 16, periphery at steel strand wires cooperates the peripheral shape of steel strand wires F, promptly cooperates the concavo-convex shape of helical form to form periphery lining portion 18, and forms along the hand of spiral continuous little convex strip portions 30,30.. in the periphery of this periphery lining portion 18.
The above embodiments are to carry out twisted wire operation, the treatment process of turning blue, hot-stretch treatment process and rustproof coated operation continuously with a production line, but also can carry out the twisted wire operation with other production line.
The foregoing description is to use heater 3 or hot-stretch to handle with heater 12 backs in the processing of turning blue to dispose single treatments forming synthetic resin machines 4, but also can induction heating apparatus be set with heater 21 and single treatment between with forming synthetic resin machine 4 turning blue to handle with heater 3 or hot-stretch processing, and make steel strand wires A lead to single treatment with forming synthetic resin machine 4 before, also sensed heater heats.
Thus, just steel strand wires A can be heated to predetermined temperature with a spot of heat, so economic benefit is fine, does not have the situation of temperature inequality, can promote accuracy.
The above embodiments are to form periphery lining portion 18 on rustproof coated steel wire, but also can not implement periphery lining operation on rustproof coated steel strand, reach once lining portion and just form inner filling portion as shown in Figure 5.
In the temperature of not utilizing turn blue processing or hot-stretch processing, but when carrying out operation in order to other antirust machining production lines, can before by the forming synthetic resin machine, steel strand wires be heated to below 250 ℃, keep the quality of steel strand wires, particularly suppress slackness and worsen.
Claims (8)
1, a kind of manufacture method of rustproof coated steel strand, it is characterized by: will heat by the many stranded steel strand wires that form of steel core wire, and make the steel strand wires that are in this heated condition pass through the synthetic resin extrusion moulding machine of crosshead, be filled in the space that forms between each steel core wire with synthetic resin material, then with the be covered periphery of the steel strand wires that are filled with this synthetic resin material of the synthetic resin material of thermoplasticity thermoplasticity.
2, the manufacture method of rustproof coated steel strand as claimed in claim 1, it is characterized by: after each steel core wire is twisted into steel strand wires, these steel strand wires are implemented to turn blue processing, and make that being in is turned blue by this handles the synthetic resin extrusion moulding machine of the steel strand wires of heated state by crosshead, be filled in the space that forms between each steel core wire with synthetic resin material, then with the be covered periphery of the steel strand wires that are filled with this synthetic resin material of the synthetic resin material of thermoplasticity thermoplasticity.
3, the manufacture method of rustproof coated steel strand as claimed in claim 1, it is characterized by: steel strand wires are carried out heat treated on one side, give certain permanent deformation on one side, make and be in by the synthetic resin extrusion moulding machine of the steel strand wires of this heat treated heated state by crosshead, be filled in the space that forms between each steel core wire with synthetic resin material thermoplasticity, then with the be covered periphery of the steel strand wires that are filled with this synthetic resin material of the synthetic resin material of thermoplasticity, then with above-mentioned steel strand wires cooling.
4, the manufacture method of rustproof coated steel strand as claimed in claim 2, it is characterized by: steel strand wires are carried out heat treated on one side, give certain permanent deformation on one side, make and be in by the synthetic resin extrusion moulding machine of the steel strand wires of this heat treated heated state by crosshead, be filled in the space that forms between each steel core wire with synthetic resin material thermoplasticity, then with the be covered periphery of the steel strand wires that are filled with this synthetic resin material of the synthetic resin material of thermoplasticity, then with above-mentioned steel strand wires cooling.
5, as the manufacture method of claim 1,2,3 or 4 described rustproof coated steel strands, it is characterized by:, also heat by induction heating apparatus making before steel strand wires pass through the synthetic resin extrusion moulding machine.
6, as the manufacture method of claim 1,2,3 or 4 described rustproof coated steel strands, it is characterized by: the thermoplastic synthetic resin material is the synthetic resin material of polyethylene kind or polypropylene type.
7, the manufacture method of rustproof coated steel strand as claimed in claim 5 is characterized by: the thermoplastic synthetic resin material is the synthetic resin material of polyethylene kind or polypropylene type.
8, the manufacture method of rustproof coated steel strand as claimed in claim 1 is characterized by: be that steel strand wires are being heated below 250 ℃.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004206638A JP2006028664A (en) | 2004-07-14 | 2004-07-14 | Method for producing rustproof-coated steel strand |
| JP2004206638 | 2004-07-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1721619A true CN1721619A (en) | 2006-01-18 |
Family
ID=35895363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005100545447A Pending CN1721619A (en) | 2004-07-14 | 2005-03-09 | Method for manufacturing rustproof coated steel strand |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2006028664A (en) |
| CN (1) | CN1721619A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102470416A (en) * | 2009-07-27 | 2012-05-23 | 不二商事株式会社 | Bead wire manufacturing method and manufacturing apparatus |
| CN103835171A (en) * | 2014-03-07 | 2014-06-04 | 江苏神韵绳缆有限公司 | Resin compounding method for high-modulus polyethylene or ultra-high-molecular-weight polyethylene twisting rope |
| CN103949492A (en) * | 2014-04-30 | 2014-07-30 | 柳州豪姆机械有限公司 | Multifunctional epoxy coating prestressed tendon production line |
| CN107938410A (en) * | 2017-12-26 | 2018-04-20 | 贵州钢绳股份有限公司 | A kind of cableway rope sticking plaster core heating means and its device |
| CN108166286A (en) * | 2017-12-26 | 2018-06-15 | 贵州钢绳股份有限公司 | A kind of manned cableway steel wire rope manufacturing method |
| CN113215843A (en) * | 2021-05-06 | 2021-08-06 | 朱淑粉 | Stranding processing machinery and method for steel strand production and manufacturing |
| CN113846499A (en) * | 2021-09-18 | 2021-12-28 | 安徽通利预应力科技有限公司 | Stranding device for producing and processing prestressed steel strand |
-
2004
- 2004-07-14 JP JP2004206638A patent/JP2006028664A/en active Pending
-
2005
- 2005-03-09 CN CNA2005100545447A patent/CN1721619A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102470416A (en) * | 2009-07-27 | 2012-05-23 | 不二商事株式会社 | Bead wire manufacturing method and manufacturing apparatus |
| CN103835171A (en) * | 2014-03-07 | 2014-06-04 | 江苏神韵绳缆有限公司 | Resin compounding method for high-modulus polyethylene or ultra-high-molecular-weight polyethylene twisting rope |
| CN103835171B (en) * | 2014-03-07 | 2016-08-31 | 江苏神韵绳缆有限公司 | High modulus polyethylene compiles the resin compounded method of twisted rope |
| CN103949492A (en) * | 2014-04-30 | 2014-07-30 | 柳州豪姆机械有限公司 | Multifunctional epoxy coating prestressed tendon production line |
| CN107938410A (en) * | 2017-12-26 | 2018-04-20 | 贵州钢绳股份有限公司 | A kind of cableway rope sticking plaster core heating means and its device |
| CN108166286A (en) * | 2017-12-26 | 2018-06-15 | 贵州钢绳股份有限公司 | A kind of manned cableway steel wire rope manufacturing method |
| CN113215843A (en) * | 2021-05-06 | 2021-08-06 | 朱淑粉 | Stranding processing machinery and method for steel strand production and manufacturing |
| CN113846499A (en) * | 2021-09-18 | 2021-12-28 | 安徽通利预应力科技有限公司 | Stranding device for producing and processing prestressed steel strand |
| CN113846499B (en) * | 2021-09-18 | 2023-02-28 | 安徽通利预应力科技有限公司 | Stranding device for producing and processing prestressed steel strand |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006028664A (en) | 2006-02-02 |
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