CN106638657A - Prestressed anchor rod assembly anti-corrosion method - Google Patents

Prestressed anchor rod assembly anti-corrosion method Download PDF

Info

Publication number
CN106638657A
CN106638657A CN201610904431.XA CN201610904431A CN106638657A CN 106638657 A CN106638657 A CN 106638657A CN 201610904431 A CN201610904431 A CN 201610904431A CN 106638657 A CN106638657 A CN 106638657A
Authority
CN
China
Prior art keywords
corrosion
nut
anchor pole
bar assembly
corrosion method
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.)
Granted
Application number
CN201610904431.XA
Other languages
Chinese (zh)
Other versions
CN106638657B (en
Inventor
杨中桂
刘俊
都军民
崔建国
赵令川
申超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
713rd Research Institute Of China Shipbuilding Corp ltd
China Shipbuilding Haiwei High Tech Co ltd
Original Assignee
713th Research Institute of China Shipbuilding Industry Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 713th Research Institute of China Shipbuilding Industry Corp filed Critical 713th Research Institute of China Shipbuilding Industry Corp
Priority to CN201610904431.XA priority Critical patent/CN106638657B/en
Publication of CN106638657A publication Critical patent/CN106638657A/en
Application granted granted Critical
Publication of CN106638657B publication Critical patent/CN106638657B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/32Foundations for special purposes
    • E02D27/42Foundations for poles, masts or chimneys
    • E02D27/425Foundations for poles, masts or chimneys specially adapted for wind motors masts
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/74Means for anchoring structural elements or bulkheads
    • E02D5/80Ground anchors
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/0013Protection against corrosion

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Building Environments (AREA)

Abstract

The invention discloses a prestressed anchor rod assembly anti-corrosion method. An anchor rod assembly comprises anchor rods, nuts I, nuts II, locking nuts and gaskets which are subjected to anti-corrosion treatment respectively. According to the prestressed anchor rod assembly anti-corrosion method, different anti-corrosion measures are adopted for different parts of anchor rod assemblies of different corrosion mechanisms, and the anti-corrosion cost performance of the anti-corrosion measures is far higher than that of traditional anti-corrosion measures; flexible anti-corrosion measures of heat shrinkage films and coating of anti-corrosion grease are adopted for the whole lengths of the anchor rods, the anti-corrosion grease is made to be reliably attached to the anchor rods, the problem of protection in the processes of transferring, transporting and storage are solved, the problem that anti-corrosion coatings are damaged due to the fact that prestress generates surface elongation deformation when the anchor rods work is also solved, and the anti-corrosion service life is prolonged; exposed parts of the nuts and the gaskets are subjected to zinc impregnation processing, and anti-corrosion performance is excellent; and the zinc impregnation temperature is lower than the temper temperature of a material, the mechanical property of the material cannot be influenced, and the zinc impregnation coatings are good in corrosion resistance.

Description

A kind of prestressed anchor bar assembly anti-corrosion method
Technical field
The present invention relates to building engineering field, relates in particular to a kind of prestressed anchor bar assembly anti-corrosion method.
Background technology
Prestressing force blower foundation is on the basis of Conventional gravity formula spread foundation version, by prestressed high strength anchor The hardwares such as bar assembly pour what is completed jointly with concrete.Prestressed anchor bar assembly include anchor pole, nut, locking nut and Pad etc., after prestressed anchor bar assembly installation, the corrosion mechanism of the part of different installation positions not exclusively, outside anchor pole Dew position and nut are often subject to the corrosion such as air, rainwater, and the anchor pole being embedded in concrete and nut are mainly by concrete Corrosion, usual anchor rod component is using anti-corrosion modes such as total length galvanizing, Dacroment, japannings before dispatching from the factory, and production cost is higher, and Anchor rod component is highly vulnerable to breakage corrosion-inhibiting coating in transhipment, transport, installation process, reduces antiseptic effect, and adopts galvanizing Anti-corrosion can reduce anchor rod component product mechanical property.At present domestic wind energy turbine set is normally at northwest borderland drought area, Prestressed anchor bar assembly adopts traditional anti-corrosion method, there is the shortcomings of antiseptic effect is poor, economic performance is poor.
The content of the invention
The invention aims to overcome shortcoming of the prior art, there is provided a kind of prestressed anchor bar assembly anti-corrosion side Method.
For achieving the above object, the present invention is employed the following technical solutions:A kind of prestressed anchor bar assembly anti-corrosion method, anchor pole Component includes anchor pole, nut I, nut II, locking nut and pad, carries out preservative treatment to it respectively, and preservative treatment step is:
(1)The anchor pole total length applies anti-corrosive grease and is coated with heat shrinkage film, and bailing is transported to scene;
(2)The supporting attaching nut I of anchor pole exsertion part at the top of blower foundation and pad, nut I and pad adopt zincizing Surface treatment;
(3)The anchor pole is adopted in the supporting attaching nut II of blower foundation lower portion and locking nut, nut II and locking nut It is surface-treated with phosphatization immersion oil;
(4)The anchor pole wears PE pipes in blower foundation inner portion, the heat shrinkage film that anchor pole two ends are exposed at outside PE pipes is dismissed, so Successively anchor pole and PE pipes penetrated into base ring afterwards and tower drum flange ring group dresses up anchor pole cage, determine that PE pipes two ends are first used after good position Metal clip is fixed, the sealing of reusable heat Heat-Shrinkable Tubings;
(5)Sealed using waterproof silicone grease at the anchor pole and the screw thread cooperation of nut I, nut II and locking nut, then revolved again Nut I, nut II and locking nut, casting concrete and high-strength grout are put, after anchor pole tensioning is finished, anchor pole is in blower foundation The outside of top exsertion part places head protector.
The anti-corrosive grease be solvent cutback grease, with spray or impregnation method coating, coating layer thickness be 0.1~ 0.3mm。
The heat shrinkage film is POF heat shrinkage films, is packed automatically with heat shrink wrapping machine.
The zincizing surface treatment heating-up temperature is 350 DEG C~420 DEG C, forms zinc-iron alloy protection in surface of the work and applies Layer, coating layer thickness is 8 ~ 15um.
The head protector is pyramidal structure, is made up of elastomeric material.
The phosphatization immersion oil surface treatment is middle temperature phosphating, and phosphatization temperature is 70 DEG C~80 DEG C.
The metal clip is big American larynx hoop, and material is stainless steel 201.
The heat-shrinkable T bush is PET heat-shrinkable T bush, is allowed to tighten sealing PE pipes two ends by heat gun.
The waterproof silicone grease is made up of organosiloxane thickening high-purity inorganic thickening agent, and temperature resistant range is -60 DEG C~280 ℃。
The present invention takes different anti-corrosion measures for the anchor rod component of different parts difference corrosion mechanism, its anti-corrosion sexual valence Than to be far above traditional anti-corrosion measure;Anchor pole total length makes anti-corrosion using the flexible corrosion protection measure of heat shrinkage film and preservation fat Grease is reliably attached on anchor pole, not only solves the protection question in transhipment, transport and storage process, and avoids anchor The problem of corrosion-inhibiting coating is destroyed because prestressing force produces surface elongation deformation when bar works, anti-corrosion service life is improve;Outward The nut and pad at dew position is processed using zincizing, and antiseptic property is excellent, and zincizing temperature is less than the temperature of material, no The mechanical property of material can be affected, and zincizing coating abrasion performance is good.
Description of the drawings
Fig. 1 is the structural representation of anchor rod component.
Specific embodiment
A kind of prestressed anchor bar assembly anti-corrosion method, as shown in figure 1, anchor rod component includes anchor pole 1, nut I 5, nut II 2nd, locking nut 3 and pad 4, carry out respectively preservative treatment to it, and preservative treatment step is:
(1)The total length of the anchor pole 1 applies anti-corrosive grease and is coated with heat shrinkage film, and bailing is transported to scene;
(2)The supporting attaching nut I 5 of the exsertion part at the top of blower foundation of the anchor pole 1 and pad 4, nut I 5 and pad 4 are adopted Zincizing is surface-treated;
(3)The anchor pole 1 is in the supporting attaching nut II 2 of blower foundation lower portion and locking nut 3, nut II 2 and locking screw Female 3 are surface-treated using phosphatization immersion oil;
(4)The anchor pole 1 wears PE pipes 11 in blower foundation inner portion, the heat shrinkage film two ends of anchor pole 1 being exposed at outside PE pipes 11 Dismiss, then successively anchor pole 1 and PE pipes 11 penetrated into base ring 13 and tower drum flange ring 7 is assembled into anchor pole cage, after determining good position The two ends of PE pipes 11 are first fixed with metal clip 12, and reusable heat Heat-Shrinkable Tubings 8 are sealed;
(5)Sealed using waterproof silicone grease at the anchor pole 1 and the screw thread cooperation of nut I 5, nut II 2 and locking nut 3, then Revolve again and put nut I 5, nut II 2 and locking nut 3, casting concrete 10 and high-strength grout 9, after the tensioning of anchor pole 1 is finished, anchor The outside of exsertion part at the top of blower foundation of bar 1 places head protector 6.
The anti-corrosive grease be solvent cutback grease, with spray or impregnation method coating, coating layer thickness be 0.1~ 0.3mm, anti-corrosive grease is that oil adds lubricating oil or lubricating grease obtained in various antirust agent based on lubricating oil, as metal The antirust coat of parts surface, its rust-proof mechanism is that antirust agent is dissolved in grease into micella, is formed firmly in metal surface Adsorbed film, the hydrocarbon chain in anti-corrosive grease component is then formed with antirust agent and mixes polymolecular layer, so as to prevent the erosion of water and oxygen, Metal surface is prevented to get rusty.Anti-corrosive grease is segmented into oil type, epoxy-type, solvent cutback, emulsifying agent and anti-rust and lubrication type etc., Wherein solvent cutback grease fast drying, film be thin, transparent, rust-preventing characteristic reliability.
The heat shrinkage film be POF heat shrinkage films, packed automatically with heat shrink wrapping machine, POF heat shrinkage films surface gloss height, good toughness, The features such as tearing toughness is big, thermal contraction is uniform and suitable fully automatic high-speed is packed, heat shrinkage film rain-proof, protection against the tide, mould proof, antirust, Can also play and avoid the two ends screw thread of anchor pole 1 colliding with transhipment, transport and installation process, heat shrinkage film pyrocondensation is finished can tightly beam Anchor pole, prevents grease from spreading, and does not affect the installation of PE pipes 11, rises jointly with PE pipes 11 in the concrete 10 inside blower foundation Antisepsis is played to isolation steam.
Nut I 5 and pad 4 are often subject to the corrosion such as air, rainwater in blower foundation exsertion part, need to adopt zincizing Surface treatment, the principle of zincizing surface treatment is that the mixing of steel component, zinc powder and inertia impact media is filled in into oozing for sealing 350 ~ 420 DEG C are heated in zinc revolving burner and a period of time is incubated, are acted on using the thermal diffusion of metallic atom, in component surface shape Into zinc-iron alloy protective coating, after Jing electrobrightenings and passivation, its coating layer thickness up to 8 ~ 15um, coating hardness is 250~ 420HV, the resistance to neutral salt spray time was up to 500 to 1000 hours.
The head protector 6 is pyramidal structure, is made up of elastomeric material, is capable of achieving the protection to anchor rod component exsertion part, Head protector 6 has preferably elasticity, can be securely fixed on anchor pole 1;And head protector 6 has good weatherability, can be in purple There is no embrittlement under outside line or low temperature environment and cause cracking.
Nut II 2 and locking nut 3 are embedded in concrete 10, the main vapour corrosion by concrete 10, nut II 2 and locking nut 3 need to carry out phosphatization immersion oil surface treatment, the technological process of phosphatization immersion oil is:Degreasing → washing → pickling → washing → table tune → washing → phosphatization → washing → hot water wash → dehydration → immersion oil, phosphatization immersion oil surface treatment is middle temperature phosphorus Change, phosphatization temperature is 70 DEG C~80 DEG C, and middle temperature phosphating free acidity is stablized, and is easily grasped, and phosphating time is short, and production efficiency is high, resistance to Corrosion is essentially identical with high temperature phosphorization film, compares low temperature phosphor and normal temperature phosphating, and the film slushing oil of middle temperature phosphating is strong, adhesion It is good.
The metal clip 12 is big American larynx hoop, and material is stainless steel 201, using the teaching of the invention it is possible to provide more powerful and accurately sting Close.
The heat-shrinkable T bush 8 is PET heat-shrinkable T bush, is allowed to tighten the two ends of sealing PE pipes 11 by heat gun, can be avoided The two ends of anchor pole 1 and the corrosion of concrete 10 and the contact site of high-strength grout 9.
The waterproof silicone grease is made up of organosiloxane thickening high-purity inorganic thickening agent, is translucent body of paste, heatproof Scope is -60 DEG C~280 DEG C, with good waterproof seal, high and low temperature, non-oxidizability, it may have good machinery peace Qualitative and colloid stability, does not affect the dismounting and installation in later stage.

Claims (9)

1. a kind of prestressed anchor bar assembly anti-corrosion method, it is characterised in that:Anchor rod component includes anchor pole, nut I, nut II, lock Tight nut and pad, carry out respectively preservative treatment to it, and preservative treatment step is:
(1)The anchor pole total length applies anti-corrosive grease and is coated with heat shrinkage film, and bailing is transported to scene;
(2)The supporting attaching nut I of anchor pole exsertion part at the top of blower foundation and pad, nut I and pad adopt zincizing Surface treatment;
(3)The anchor pole is adopted in the supporting attaching nut II of blower foundation lower portion and locking nut, nut II and locking nut It is surface-treated with phosphatization immersion oil;
(4)The anchor pole wears PE pipes in blower foundation inner portion, the heat shrinkage film that anchor pole two ends are exposed at outside PE pipes is dismissed, so Successively anchor pole and PE pipes penetrated into base ring afterwards and tower drum flange ring group dresses up anchor pole cage, determine that PE pipes two ends are first used after good position Metal clip is fixed, the sealing of reusable heat Heat-Shrinkable Tubings;
(5)Sealed using waterproof silicone grease at the anchor pole and the screw thread cooperation of nut I, nut II and locking nut, then revolved again Nut I, nut II and locking nut, casting concrete and high-strength grout are put, after anchor pole tensioning is finished, anchor pole is in blower foundation The outside of top exsertion part places head protector.
2. prestressed anchor bar assembly anti-corrosion method according to claim 1, it is characterised in that:The anti-corrosive grease is solvent Dilution type grease, with spray or impregnation method coating, coating layer thickness is 0.1~0.3mm.
3. prestressed anchor bar assembly anti-corrosion method according to claim 1, it is characterised in that:The heat shrinkage film is that POF is warm Contracting film, is packed automatically with heat shrink wrapping machine.
4. prestressed anchor bar assembly anti-corrosion method according to claim 1, it is characterised in that:The zincizing surface treatment adds Hot temperature is 350 DEG C~420 DEG C, and in surface of the work zinc-iron alloy protective coating is formed, and coating layer thickness is 8 ~ 15um.
5. prestressed anchor bar assembly anti-corrosion method according to claim 1, it is characterised in that:The head protector is taper knot Structure, is made up of elastomeric material.
6. prestressed anchor bar assembly anti-corrosion method according to claim 1, it is characterised in that:At the phosphatization immersion oil surface Manage as middle temperature phosphating, phosphatization temperature is 70 DEG C~80 DEG C.
7. prestressed anchor bar assembly anti-corrosion method according to claim 1, it is characterised in that:The metal clip is big beautiful Formula larynx hoop, material is stainless steel 201.
8. prestressed anchor bar assembly anti-corrosion method according to claim 1, it is characterised in that:The heat-shrinkable T bush is PET Heat-shrinkable T bush, is allowed to tighten sealing PE pipes two ends by heat gun.
9. prestressed anchor bar assembly anti-corrosion method according to claim 1, it is characterised in that:The waterproof silicone grease is by organic Siloxanes thickening high-purity inorganic thickening agent is made, and temperature resistant range is -60 DEG C~280 DEG C.
CN201610904431.XA 2016-10-18 2016-10-18 A kind of prestressed anchor bar assembly anti-corrosion method Active CN106638657B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610904431.XA CN106638657B (en) 2016-10-18 2016-10-18 A kind of prestressed anchor bar assembly anti-corrosion method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610904431.XA CN106638657B (en) 2016-10-18 2016-10-18 A kind of prestressed anchor bar assembly anti-corrosion method

Publications (2)

Publication Number Publication Date
CN106638657A true CN106638657A (en) 2017-05-10
CN106638657B CN106638657B (en) 2018-06-22

Family

ID=58856586

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610904431.XA Active CN106638657B (en) 2016-10-18 2016-10-18 A kind of prestressed anchor bar assembly anti-corrosion method

Country Status (1)

Country Link
CN (1) CN106638657B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109746584A (en) * 2019-03-21 2019-05-14 风范绿色建筑(常熟)有限公司 A kind of welding for steel structure anti-corrosive technology
CN109967982A (en) * 2019-04-28 2019-07-05 中船重工海为郑州高科技有限公司 A kind of preparation method of wind power generating set circular thread anchor component
CN110004971A (en) * 2019-04-28 2019-07-12 中船重工海为郑州高科技有限公司 A kind of anti-corrosion method of foundation of wind-driven generator unit anchor rod component
CN110872845A (en) * 2019-12-10 2020-03-10 江苏金海新能源科技有限公司 Anti-corrosion anchor bolt piece, pre-stressed anchor bolt assembly and wind power supporting structure
CN111760529A (en) * 2020-07-07 2020-10-13 郑琼华 Reaction kettle and reaction kettle installation method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11350477A (en) * 1999-06-01 1999-12-21 Kurosawa Construction Co Ltd Ground surface side fixing device for ground anchor
KR100819536B1 (en) * 2007-02-02 2008-04-08 희 봉 김 Permanent anchor
CN202416310U (en) * 2011-10-08 2012-09-05 浙江海天建设集团有限公司 Pressure-dispersed anti-floating anchor rod
CN202730758U (en) * 2012-06-29 2013-02-13 深圳市工勘岩土工程有限公司 Permanent pre-stressed anchor cable anchor sealing body
CN202787257U (en) * 2012-09-26 2013-03-13 青岛温泉建设集团有限公司 Anti-float anchor
CN104846824A (en) * 2015-05-25 2015-08-19 曾庆义 Protective rod, rod for concrete structure, manufacturing process of rod body and anchor rod

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11350477A (en) * 1999-06-01 1999-12-21 Kurosawa Construction Co Ltd Ground surface side fixing device for ground anchor
KR100819536B1 (en) * 2007-02-02 2008-04-08 희 봉 김 Permanent anchor
CN202416310U (en) * 2011-10-08 2012-09-05 浙江海天建设集团有限公司 Pressure-dispersed anti-floating anchor rod
CN202730758U (en) * 2012-06-29 2013-02-13 深圳市工勘岩土工程有限公司 Permanent pre-stressed anchor cable anchor sealing body
CN202787257U (en) * 2012-09-26 2013-03-13 青岛温泉建设集团有限公司 Anti-float anchor
CN104846824A (en) * 2015-05-25 2015-08-19 曾庆义 Protective rod, rod for concrete structure, manufacturing process of rod body and anchor rod

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109746584A (en) * 2019-03-21 2019-05-14 风范绿色建筑(常熟)有限公司 A kind of welding for steel structure anti-corrosive technology
CN109967982A (en) * 2019-04-28 2019-07-05 中船重工海为郑州高科技有限公司 A kind of preparation method of wind power generating set circular thread anchor component
CN110004971A (en) * 2019-04-28 2019-07-12 中船重工海为郑州高科技有限公司 A kind of anti-corrosion method of foundation of wind-driven generator unit anchor rod component
CN110872845A (en) * 2019-12-10 2020-03-10 江苏金海新能源科技有限公司 Anti-corrosion anchor bolt piece, pre-stressed anchor bolt assembly and wind power supporting structure
CN111760529A (en) * 2020-07-07 2020-10-13 郑琼华 Reaction kettle and reaction kettle installation method

Also Published As

Publication number Publication date
CN106638657B (en) 2018-06-22

Similar Documents

Publication Publication Date Title
CN106638657B (en) A kind of prestressed anchor bar assembly anti-corrosion method
US20100251661A1 (en) Structural fixing system with high clamping force and tightening precision with high corrosion resistance
CN201193758Y (en) Electrochemical alloy nano coated anti-corrosive insulating pipe
CN107790360A (en) The preparation method of composite coating that marine anticorrosion uses
CN103316828A (en) Production method for ship fastener complex coating
CN109967982A (en) A kind of preparation method of wind power generating set circular thread anchor component
CN104498921B (en) Special treating agent for galvanizing surface chemical conversion and treating technique thereof
CN105970138A (en) Long-lasting corrosion prevention method of transmission line tower
CN107262348A (en) A kind of method for composite coating of galvanizing flange
JP3164654U (en) High corrosion resistance iron parts
CN219954715U (en) Novel anticorrosive rag bolt
CN205781699U (en) A kind of modified model Prestressed concrete cylinder pipe
CN105114708A (en) Processing method of corrosion-resistant uvioresistant exposed steel gas pipeline
CN107034426A (en) A kind of corrosion-resistant compound plating technology of transmission line hardware
CN103289608A (en) Oxidative polymerization type rust-proof anti-corrosion adhesive paste
CN103305849B (en) Oxidation polymerization type corrosion prevention method
CN110004971A (en) A kind of anti-corrosion method of foundation of wind-driven generator unit anchor rod component
CN106269446A (en) High anticorrosion major diameter high-strength screw-thread steel rod and preparation method thereof
CN105088948A (en) Manufacturing method for steel wire inhaul cable with polyurea protective coating
KR100706975B1 (en) Painted air spinning wire and the manufacturing method of the same
CN202732239U (en) Wind generating set tower in ocean tidal zone
JP2014202266A (en) Highly corrosion-resistant self-tapping screw, and method for manufacturing the same
CN202746848U (en) Steel pipe with long-acting polyurethane outer anticorrosion coating capable of resisting ocean environment
CN102678480B (en) Tower frame of wind turbine generator set
CN201678945U (en) Novel bracing cable

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20220913

Address after: No. 311, Science Avenue, High-tech Zone, Zhengzhou City, Henan Province, 450000

Patentee after: HAIWEI ZHENGZHOU HIGH TECHNOLOGY Co.,Ltd.

Patentee after: 713TH Research Institute OF CSIC

Address before: 450015, No. 126, Jing Guang Middle Road, Zhengzhou, Henan

Patentee before: 713TH Research Institute OF CSIC

TR01 Transfer of patent right
CP01 Change in the name or title of a patent holder

Address after: No. 311, Science Avenue, High-tech Zone, Zhengzhou City, Henan Province, 450000

Patentee after: China Shipbuilding Haiwei High tech Co.,Ltd.

Patentee after: 713rd Research Institute of China Shipbuilding Corp.,Ltd.

Address before: No. 311, Science Avenue, High-tech Zone, Zhengzhou City, Henan Province, 450000

Patentee before: HAIWEI ZHENGZHOU HIGH TECHNOLOGY Co.,Ltd.

Patentee before: 713TH Research Institute OF CSIC

CP01 Change in the name or title of a patent holder