CN102953333B - Cable body of composite protection layer tension cable and manufacture method thereof - Google Patents
Cable body of composite protection layer tension cable and manufacture method thereof Download PDFInfo
- Publication number
- CN102953333B CN102953333B CN201110248838.9A CN201110248838A CN102953333B CN 102953333 B CN102953333 B CN 102953333B CN 201110248838 A CN201110248838 A CN 201110248838A CN 102953333 B CN102953333 B CN 102953333B
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- China
- Prior art keywords
- barrier film
- package tape
- twining package
- outside
- polyethylene layer
- 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.)
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- 239000002131 composite material Substances 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title abstract description 8
- 238000000034 method Methods 0.000 title abstract description 6
- 230000004888 barrier function Effects 0.000 claims abstract description 62
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 55
- 239000010959 steel Substances 0.000 claims abstract description 55
- 229920000573 polyethylene Polymers 0.000 claims abstract description 44
- 239000004698 Polyethylene Substances 0.000 claims abstract description 43
- -1 polyethylene Polymers 0.000 claims abstract description 43
- 230000001681 protective effect Effects 0.000 claims abstract description 35
- 210000002435 tendon Anatomy 0.000 claims abstract description 25
- 238000001125 extrusion Methods 0.000 claims abstract description 19
- 238000004804 winding Methods 0.000 claims abstract description 7
- 238000002360 preparation method Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 6
- 239000011701 zinc Substances 0.000 claims description 6
- 229910052725 zinc Inorganic materials 0.000 claims description 6
- 239000005030 aluminium foil Substances 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000005674 electromagnetic induction Effects 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 3
- 229920001903 high density polyethylene Polymers 0.000 description 9
- 229940063583 high-density polyethylene Drugs 0.000 description 9
- 239000004700 high-density polyethylene Substances 0.000 description 9
- 230000007547 defect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2083—Jackets or coverings
- D07B2201/2087—Jackets or coverings being of the coated type
-
- 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
- D07B2201/2083—Jackets or coverings
- D07B2201/2088—Jackets or coverings having multiple layers
-
- 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
- D07B2201/2083—Jackets or coverings
- D07B2201/2089—Jackets or coverings comprising wrapped structures
-
- 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
- D07B2501/203—Bridges
Abstract
The present invention relates to the drag-line field for cable stayed bridge, be specially a kind of cable body of composite protection layer tension cable and manufacture method thereof.A kind of cable body of composite protection layer tension cable, comprise steel tendon (1), twining package tape (2), interior protective polyethylene layer (3) and outer protective polyethylene layer (4), it is characterized in that: also comprise barrier film (5), barrier film (5) is located between twining package tape (2) and interior protective polyethylene layer (3).A preparation method for cable body of composite protection layer tension cable, carries out successively according to strand steel wire processed, winding twining package tape, these steps of extrusion molding overcoat, it is characterized in that: between winding twining package tape and extrusion molding overcoat, also carry out coated barrier film step.Structure of the present invention is simple, easily manufactured, good airproof performance, and corrosion resistance is strong, long service life.
Description
Technical field
The present invention relates to the drag-line field for cable stayed bridge, be specially a kind of cable body of composite protection layer tension cable and manufacture method thereof.
Background technology
Drag-line is the superstructure of cable stayed bridge, is the topmost stressed member of cable stayed bridge, carries the gravity of bridge floor, and the security relationship of drag-line, to the safe operation of bridge, is related to the safety of pedestrian and driving on bridge.Drag-line is made up of cable body and the ground tackle being located at cable body two ends; cable body is generally made up of high-strength galvanized steel wire and polyethylene sheath; steel wire is stressed member; and polyethylene sheath plays anti-corrosion protection effect to steel wire; therefore the application life of steel wire is vital for bridge security; the quality of steel wire anti-corrosion protection effect, directly has influence on the application life of steel wire.Protection at present for steel wire generally adopts double-deck high density polyethylene (HDPE) (the i.e. high-densitypolyethylene; be called for short HDPE) realize; HDPE has excellent wear-resisting, corrosion-resistant, non-hygroscopic property; there is good water vapor performance, but HDPE is high molecular polymer; the performance of resistance to organic steam is undesirable; poor etc. to the tolerance of aromatic hydrocarbon, halogenated hydrocarbon, and the ageing-resistant performance of HDPE is poor, the aging anti-corrosion protection effect that will directly affect steel wire of HDPE.Due to these defects of HDPE, the normal service life of current drag-line, less than 30 years, is difficult to the projected life adapting to bridge.
Summary of the invention
In order to overcome the defect of prior art, a kind of good seal performance, long service life, drag-line applied widely being provided, the invention discloses a kind of cable body of composite protection layer tension cable and manufacture method thereof.
The present invention reaches goal of the invention by following technical solution:
A kind of cable body of composite protection layer tension cable, comprise steel tendon, twining package tape, interior protective polyethylene layer and outer protective polyethylene layer, steel tendon is twisted together mutually by steel wire, twining package tape is wrapped in the outside of steel tendon, interior protective polyethylene layer is wrapped in the outside of twining package tape, outer protective polyethylene layer is wrapped in the outside of interior protective polyethylene layer, it is characterized in that: also comprise barrier film, barrier film selects aluminium foil or aluminum-plastic composite membrane, the thickness of barrier film is at 0.01mm ~ 0.2mm, barrier film is located between twining package tape and interior protective polyethylene layer, barrier film is wrapped in the outside of twining package tape, interior protective polyethylene layer is wrapped in the outside of barrier film.
Described cable body of composite protection layer tension cable, is characterized in that: steel tendon is twisted together mutually by 7 ~ 649 steel wires, and the helical angle of steel wire is 0 ~ 10 °, and the surface of steel wire is coated with zinc layers, and zinc coating thickness is at 70g/m
2~ 300g/m
2.
The preparation method of described cable body of composite protection layer tension cable, carry out successively according to strand steel wire processed, winding twining package tape, these steps of extrusion molding overcoat, it is characterized in that: between winding twining package tape and extrusion molding overcoat, also carry out coated barrier film step, specifically carry out successively as follows:
When a. twisting steel wire processed, with twisting machine processed, 7 ~ 649 steel wires are twisted into one steel tendon by the helical angle of 0 ~ 10 °; When being b. wound around twining package tape, be closely wound around twining package tape in the outside of steel tendon; C. during coated barrier film, first coated barrier film outside twining package tape, then with receiving limit machine to the receipts limit, edge of barrier film, make the edge of barrier film form the limit mouth overlapped, then use the limit mouth of roller roll extrusion barrier film, the limit mouth of barrier film is merged, again with the barrier film edge sealing that edge banding machine opposite side mouth merges, barrier film be tightly coated on outside twining package tape thus wrap steel tendon, finally with trimmer, shaping being carried out to the edge sealing of barrier film, make the edge sealing of barrier film be adjacent to steel tendon; D. during extrusion molding overcoat, double-layer coextrusion is carried out in the outside of barrier film with extruding machine, first with extruding machine, inner layer polyethylene material extrusion molding is formed interior protective polyethylene layer in the outside of barrier film, then with extruding machine, outer layer polyethylene material extrusion molding is formed outer protective polyethylene layer in the outside of interior protective polyethylene layer.
The preparation method of described cable body of composite protection layer tension cable, is characterized in that: electromagnetic induction type selected by edge banding machine.
The present invention by setting up the barrier film be made up of aluminium foil or aluminum-plastic composite membrane in cable body; and jointly form composite armor by barrier film, interior protective polyethylene layer and outer protective polyethylene layer; make the better tightness of drag-line cable body; aluminium has the feature of protection against the tide, airtight, shading, erosion resistant; to steam, air, ultraviolet etc., there is good shielding properties; reach objects such as effectively shielding steam, ultraviolet, environment pollution; compensate for the defect of polythene material; make the steel wire in cable body be subject to more intact protection, improve the application life of drag-line.The invention has the beneficial effects as follows: structure is simple, easily manufactured, good airproof performance, corrosion resistance is strong, long service life.
Accompanying drawing explanation
Fig. 1 is cross-sectional view of the present invention;
Fig. 2 is structural representation of the present invention;
Fig. 3 is manufacturing process schematic diagram of the present invention.
Detailed description of the invention
The present invention is further illustrated below by way of specific embodiment.
Embodiment 1
A kind of cable body of composite protection layer tension cable, comprise steel tendon 1, twining package tape 2, interior protective polyethylene layer 3, outer protective polyethylene layer 4 and barrier film 5, as depicted in figs. 1 and 2, concrete structure is: steel tendon 1 is twisted together mutually by steel wire 10, twining package tape 2 is wrapped in the outside of steel tendon 1, interior protective polyethylene layer 3 is wrapped in the outside of twining package tape 2, outer protective polyethylene layer 4 is wrapped in the outside of interior protective polyethylene layer 3, barrier film 5 is located between twining package tape 2 and interior protective polyethylene layer 3, barrier film 5 is wrapped in the outside of twining package tape 2, interior protective polyethylene layer 3 is wrapped in the outside of barrier film 5, barrier film 5 can select thickness at the aluminium foil of 0.01mm ~ 0.2mm or aluminum-plastic composite membrane.Steel tendon 1 is twisted together mutually by 7 ~ 649 steel wires 10, and concrete radical is determined according to the stressing conditions of drag-line, and the present embodiment gets 649, and the helical angle of steel wire 10 is 5 °, and the surface of steel wire 10 is coated with zinc layers, and zinc coating thickness is at 70g/m
2~ 300g/m
2, barrier film 5 selects thickness to be the aluminium foil of 0.1mm.
The present embodiment twists steel wire processed by a., these four steps of b. winding twining package tape, the coated barrier film of c. and d. extrusion molding overcoat are carried out manufacture successively and formed, and as shown in Figure 3, progressively process by shown in arrow, concrete steps are as described below:
When a. twisting steel wire processed, with twisting machine 11 processed, 649 steel wires 10 are twisted into one steel tendon 1 by the helical angle of 0 ~ 10 °.
When being b. wound around twining package tape, be closely wound around twining package tape 2 in the outside of steel tendon 1.
C. during coated barrier film, first coated barrier film 5 outside twining package tape 2, then with the receipts limit, edge of receiving limit machine 12 pairs of barrier films 5, the edge of barrier film 5 is made to form the limit mouth overlapped, then the limit mouth of roller 13 roll extrusion barrier film 5 is used, the limit mouth of barrier film 5 is merged, again with barrier film 5 edge sealing that the edge banding machine 14 opposite side mouth of electromagnetic induction type merges, barrier film 5 is tightly coated on outside twining package tape 2 thus wraps steel tendon 1, finally carry out shaping with the edge sealing of trimmer 15 pairs of barrier films 5, make the edge sealing of barrier film 5 be adjacent to steel tendon 1.
D. during extrusion molding overcoat, double-layer coextrusion is carried out in the outside of barrier film 5 with extruding machine 16, first with extruding machine, inner layer polyethylene material 31 extrusion molding is formed interior protective polyethylene layer 3 in the outside of barrier film 5, then with extruding machine 16, outer layer polyethylene material 41 extrusion molding is formed outer protective polyethylene layer 4 in the outside of interior protective polyethylene layer 3.
After manufacture completes as depicted in figs. 1 and 2.
Claims (2)
1. the preparation method of a cable body of composite protection layer tension cable, cable body of composite protection layer tension cable comprises steel tendon (1), twining package tape (2), interior protective polyethylene layer (3), outer protective polyethylene layer (4) and barrier film (5), steel tendon (1) is twisted together mutually by steel wire (10), twining package tape (2) is wrapped in the outside of steel tendon (1), interior protective polyethylene layer (3) is wrapped in the outside of twining package tape (2), outer protective polyethylene layer (4) is wrapped in the outside of interior protective polyethylene layer (3), barrier film (5) selects aluminium foil or aluminum-plastic composite membrane, the thickness of barrier film (5) is at 0.01mm ~ 0.2mm, barrier film (5) is located between twining package tape (2) and interior protective polyethylene layer (3), barrier film (5) is wrapped in the outside of twining package tape (2), interior protective polyethylene layer (3) is wrapped in the outside of barrier film (5),
Steel tendon (1) is twisted together mutually by 7 ~ 649 steel wires (10), and the helical angle of steel wire (10) is 0 ~ 10 °, and the surface of steel wire (10) is coated with zinc layers, and zinc coating thickness is at 70g/m
2~ 300g/m
2;
Carry out successively according to strand steel wire processed, winding twining package tape, these steps of extrusion molding overcoat during making, it is characterized in that: between winding twining package tape and extrusion molding overcoat, also carry out coated barrier film step, specifically carry out successively as follows:
When a. twisting steel wire processed, with twisting machine processed (11), 7 ~ 649 steel wires (10) are twisted into one steel tendon (1) by the helical angle of 0 ~ 10 °;
When being b. wound around twining package tape, be closely wound around twining package tape (2) in the outside of steel tendon (1);
C. during coated barrier film, first at twining package tape (2) the coated barrier film in outside (5), then with receiving limit machine (12) to the receipts limit, edge of barrier film (5), the edge of barrier film (5) is made to form the limit mouth overlapped, then the limit mouth of roller (13) roll extrusion barrier film (5) is used, the limit mouth of barrier film (5) is merged, use barrier film (5) edge sealing that edge banding machine (14) opposite side mouth merges again, barrier film (5) is made tightly to be coated on twining package tape (2) outside thus to wrap steel tendon (1), the edge sealing of trimmer (15) to barrier film (5) is finally used to carry out shaping, the edge sealing of barrier film (5) is made to be adjacent to steel tendon (1),
D. during extrusion molding overcoat, double-layer coextrusion is carried out in the outside of barrier film (5) with extruding machine (16), first with extruding machine, inner layer polyethylene material (31) extrusion molding is formed interior protective polyethylene layer (3) in the outside of barrier film (5), then use extruding machine (16) that outer layer polyethylene material (41) extrusion molding is formed outer protective polyethylene layer (4) in the outside of interior protective polyethylene layer (3).
2. the preparation method of cable body of composite protection layer tension cable as claimed in claim 1, is characterized in that: electromagnetic induction type selected by edge banding machine (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110248838.9A CN102953333B (en) | 2011-08-27 | 2011-08-27 | Cable body of composite protection layer tension cable and manufacture method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110248838.9A CN102953333B (en) | 2011-08-27 | 2011-08-27 | Cable body of composite protection layer tension cable and manufacture method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102953333A CN102953333A (en) | 2013-03-06 |
| CN102953333B true CN102953333B (en) | 2015-12-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110248838.9A Active CN102953333B (en) | 2011-08-27 | 2011-08-27 | Cable body of composite protection layer tension cable and manufacture method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102953333B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108277542A (en) * | 2018-04-10 | 2018-07-13 | 江苏柯能新材料有限公司 | A kind of multiple spinning equipment using two-component skin-core structure |
| CN109914245A (en) * | 2019-03-26 | 2019-06-21 | 江苏法尔胜缆索有限公司 | A kind of heat-insulated, fire-type hot extruded polyethylene parallel wire stay |
| CN110565521A (en) * | 2019-09-11 | 2019-12-13 | 河源迪奇亚工业技术有限公司 | Composite-sheath inhaul cable body and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4192057A (en) * | 1972-08-05 | 1980-03-11 | Borrelly Wolfgang | Process and apparatus for the production of corrosion protection for cables made of parallel wire strands |
| US5208077A (en) * | 1990-11-09 | 1993-05-04 | Florida Wire And Cable Company | Method for a composite material comprising coated and filled metal strand for use in prestressed concrete, stay cables for cable-stayed bridges and other uses |
| CN1456742A (en) * | 2002-05-11 | 2003-11-19 | 柳州市建筑机械总厂 | External protective rigging without stress |
| CN1458333A (en) * | 2002-05-12 | 2003-11-26 | 柳州市建设机械总厂 | Anti-corrosion high strength steel cable |
| CN201228343Y (en) * | 2008-07-14 | 2009-04-29 | 中交第四航务工程局有限公司 | Anti-corrosive safeguard structure of rope-suspension bridge cable system |
| CN201339162Y (en) * | 2008-12-26 | 2009-11-04 | 江苏法尔胜新日制铁缆索有限公司 | Epoxy coating steel wire stay cable |
| CN201620357U (en) * | 2010-03-30 | 2010-11-03 | 东南大学 | Carbon fiber wire-coated steel tendon sealed guy cable |
| CN201627143U (en) * | 2009-11-06 | 2010-11-10 | 中国航空工业集团公司北京航空材料研究院 | Bridge wire strand seal protective structure |
| CN201704627U (en) * | 2009-11-27 | 2011-01-12 | 上海浦江缆索股份有限公司 | Zinc/aluminum-plated steel-wire stay cable |
| CN202202257U (en) * | 2011-08-27 | 2012-04-25 | 上海浦江缆索股份有限公司 | Cable body of composite protection layer tension cable |
-
2011
- 2011-08-27 CN CN201110248838.9A patent/CN102953333B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4192057A (en) * | 1972-08-05 | 1980-03-11 | Borrelly Wolfgang | Process and apparatus for the production of corrosion protection for cables made of parallel wire strands |
| US5208077A (en) * | 1990-11-09 | 1993-05-04 | Florida Wire And Cable Company | Method for a composite material comprising coated and filled metal strand for use in prestressed concrete, stay cables for cable-stayed bridges and other uses |
| CN1456742A (en) * | 2002-05-11 | 2003-11-19 | 柳州市建筑机械总厂 | External protective rigging without stress |
| CN1458333A (en) * | 2002-05-12 | 2003-11-26 | 柳州市建设机械总厂 | Anti-corrosion high strength steel cable |
| CN201228343Y (en) * | 2008-07-14 | 2009-04-29 | 中交第四航务工程局有限公司 | Anti-corrosive safeguard structure of rope-suspension bridge cable system |
| CN201339162Y (en) * | 2008-12-26 | 2009-11-04 | 江苏法尔胜新日制铁缆索有限公司 | Epoxy coating steel wire stay cable |
| CN201627143U (en) * | 2009-11-06 | 2010-11-10 | 中国航空工业集团公司北京航空材料研究院 | Bridge wire strand seal protective structure |
| CN201704627U (en) * | 2009-11-27 | 2011-01-12 | 上海浦江缆索股份有限公司 | Zinc/aluminum-plated steel-wire stay cable |
| CN201620357U (en) * | 2010-03-30 | 2010-11-03 | 东南大学 | Carbon fiber wire-coated steel tendon sealed guy cable |
| CN202202257U (en) * | 2011-08-27 | 2012-04-25 | 上海浦江缆索股份有限公司 | Cable body of composite protection layer tension cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102953333A (en) | 2013-03-06 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Tang Liang Inventor after: Luo Guoqiang Inventor after: Zhang Hailiang Inventor after: Zhu Jinlin Inventor after: Gu Qinghua Inventor after: Xie Fei Inventor before: Luo Guoqiang Inventor before: Zhang Hailiang Inventor before: Zhu Jinlin Inventor before: Gu Qinghua Inventor before: Xie Fei |
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| CB03 | Change of inventor or designer information | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Composite protective layer cable body and its manufacturing method Effective date of registration: 20231026 Granted publication date: 20151209 Pledgee: Guangzhong Road Sub branch of Bank of Shanghai Co.,Ltd. Pledgor: SHANGHAI PUJIANG CABLE Co.,Ltd. Registration number: Y2023310000679 |
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