JPH0252730B2 - - Google Patents
Info
- Publication number
- JPH0252730B2 JPH0252730B2 JP19060983A JP19060983A JPH0252730B2 JP H0252730 B2 JPH0252730 B2 JP H0252730B2 JP 19060983 A JP19060983 A JP 19060983A JP 19060983 A JP19060983 A JP 19060983A JP H0252730 B2 JPH0252730 B2 JP H0252730B2
- Authority
- JP
- Japan
- Prior art keywords
- conduit
- prestressed
- strip
- metal strip
- cable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229910001463 metal phosphate Inorganic materials 0.000 claims description 2
- 238000002788 crimping Methods 0.000 claims 1
- 210000004013 groin Anatomy 0.000 claims 1
- 238000002791 soaking Methods 0.000 claims 1
- 239000007858 starting material Substances 0.000 claims 1
- 238000005491 wire drawing Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 description 9
- 229910019142 PO4 Inorganic materials 0.000 description 7
- 239000010452 phosphate Substances 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 6
- 239000000344 soap Chemical class 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical compound [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000109 continuous material Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 229910000398 iron phosphate Inorganic materials 0.000 description 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- RYYKJJJTJZKILX-UHFFFAOYSA-M sodium octadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCCCC([O-])=O RYYKJJJTJZKILX-UHFFFAOYSA-M 0.000 description 1
- 229940045870 sodium palmitate Drugs 0.000 description 1
- GGXKEBACDBNFAF-UHFFFAOYSA-M sodium;hexadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCC([O-])=O GGXKEBACDBNFAF-UHFFFAOYSA-M 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910000165 zinc phosphate Inorganic materials 0.000 description 1
Landscapes
- Reinforcement Elements For Buildings (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
- Lubricants (AREA)
- Chemical Treatment Of Metals (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19060983A JPS6083810A (ja) | 1983-10-12 | 1983-10-12 | プレストレス導管及びその製造方法の改良 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19060983A JPS6083810A (ja) | 1983-10-12 | 1983-10-12 | プレストレス導管及びその製造方法の改良 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6083810A JPS6083810A (ja) | 1985-05-13 |
| JPH0252730B2 true JPH0252730B2 (enExample) | 1990-11-14 |
Family
ID=16260913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19060983A Granted JPS6083810A (ja) | 1983-10-12 | 1983-10-12 | プレストレス導管及びその製造方法の改良 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6083810A (enExample) |
-
1983
- 1983-10-12 JP JP19060983A patent/JPS6083810A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6083810A (ja) | 1985-05-13 |
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