CN106592643B - Town road well lid - Google Patents

Town road well lid Download PDF

Info

Publication number
CN106592643B
CN106592643B CN201611181881.7A CN201611181881A CN106592643B CN 106592643 B CN106592643 B CN 106592643B CN 201611181881 A CN201611181881 A CN 201611181881A CN 106592643 B CN106592643 B CN 106592643B
Authority
CN
China
Prior art keywords
floating head
hole
manhole cover
cover body
town road
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.)
Active
Application number
CN201611181881.7A
Other languages
Chinese (zh)
Other versions
CN106592643A (en
Inventor
范瑶飞
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201611181881.7A priority Critical patent/CN106592643B/en
Priority to CN201810406120.XA priority patent/CN108532729A/en
Publication of CN106592643A publication Critical patent/CN106592643A/en
Application granted granted Critical
Publication of CN106592643B publication Critical patent/CN106592643B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/06—Gully gratings

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)

Abstract

The invention belongs to town road apparatus field, specially a kind of town road well lid.A kind of town road well lid, is made of manhole cover body and center floating head, and through-hole is equipped in the middle part of manhole cover body, and through-hole lower wall is equipped with the boss inwardly stretched out；The centre pilot column that center floating head is less than the floating head ontology of through-hole and is stretched into below through-hole by size forms；Middle side part under floating head ontology is fixed in centre pilot column upper end, and centre pilot column lower end is equipped with limited block；First position-limited rack and second position-limited rack up and down for limiting centre pilot column are additionally provided in the manhole cover body below boss.The town road manhole cover structure is novel, when the small flow such as heavy rain flood cannot be satisfied draining, can float and open leak latus rectum, and small flow can the town road well lid restored automatically；It is not easy to plug between the town road well lid center floating head and manhole cover body and makes floating functional failure.

Description

Town road well lid
Technical field
The invention belongs to town road apparatus field, specially a kind of town road well lid.
Background technology
Existing town road well lid is set on town road well lid there are two through-hole, and existing generally to depend on the two logical Hole completes leak and takes lid.
Publication No. CN103074934B Chinese invention patent specifications disclose a kind of well cover for sewer, more particularly to Float automatically when a kind of big flow and nonclogging well cover for sewer that when small flow automatically resets, including upper cover plate, guide rod, under Well seat forms, the inboard groove for seat of going into the well, and has pilot hole in groove, has plurality of guiding gutter on upper cover plate, have between diversion trench close It holds one's breath room, the averag density of upper cover plate and guide rod is less than 0.9 × 103Kg/m3, guide rod is below seat of going into the well across pilot hole Connect with upper cover plate, when use the seat that will go into the well be cast in mattess, small flow water is directly stayed from the diversion trench of upper cover plate Under, water flows into lower well along well head, and when the diversion trench of upper cover plate cannot meet the flow velocity of big flow water, upper cover plate is from seat of going into the well Inside floating, the bottom of guide rod limits upper cover plate, and water flows into well head between upper cover plate and seat of going into the well, after water flow reduces, on Cover board declines, and upper cover plate enters under the guiding role of guide rod in the groove of well seat, and practicability is big.
But the cooperation of the pilot hole of the guide rod of the well cover for sewer and seat of going into the well is easy to block, and is easy when big flow water comes Failure.In addition, upper cover plate and seat of going into the well directly are also to compare tight fit, it is easy by soil card jail, it will soon failure.Separately Outside, the upper cover plate is oversized, and floating is to be also easy to dangerous hidden danger occur, and people is easy to fall.
Invention content
Based on above-mentioned deficiency, goal of the invention of the invention is to provide a kind of structure novel, in the small flow such as heavy rain flood When cannot be satisfied draining, it can float and open leak latus rectum, small flow can the town road well lid restored automatically；The municipal administration road It is not easy to plug between manhole cover center floating head and manhole cover body and makes floating functional failure.
For achieving the above object, the present invention provides the following technical solutions：
A kind of town road well lid, is made of manhole cover body and center floating head, is equipped with through-hole in the middle part of manhole cover body, under through-hole Side wall is equipped with the boss inwardly stretched out；
The centre pilot column that center floating head is less than the floating head ontology of through-hole and is stretched into below through-hole by size forms；Center Middle side part under floating head ontology is fixed in guide post upper end, and centre pilot column lower end is equipped with limited block；
Be additionally provided in the manhole cover body below boss for limit the first up and down position-limited rack of centre pilot column and Second position-limited rack；
First position-limited rack is formed by being fixed on the first reinforced frame of manhole cover body and first guide ring at middle part；
Second position-limited rack is formed by being fixed on the second reinforced frame of manhole cover body and second guide ring at middle part；
Parallel above and below first guide ring and the second guide ring, with diameter and with one heart, centre pilot column is through the first guide ring In the second guide ring；
It limits block size and is more than the second guide ring；
Circumference is equipped with multiple regularly arranged floating blocks on the downside of the floating head ontology；
Floating head ontology is by floating block support above boss.
Further, the averag density of center floating head is 0.80-0.88 × 103Kg/m3Between.
Further, through-hole and floating head ontology are rounded, and clear size of opening is more than floating head ontology so that floating head body peripheral is extremely There are the leak gaps of annular between through-hole.
Further, it is equipped with multiple leakage holes, multiple leakage hole annular arrays on the inside of boss, and corresponds under leak gap Side.
Further, via area accounts for the 1/4~1/2 of manhole cover body area, less than the size being generally grown up, prevents from being grown up It falls.
Further, multiple floating block annular arrays, there are flowing water gaps between multiple adjacent floating blocks.
Further, the first reinforced frame is fixed on boss inner wall；Second reinforced frame is fixed on manhole cover body lower part.
Compared with prior art, the beneficial effects of the invention are as follows：
One, simple in structure, in the case that well lid load-bearing is there is no reducing, in heavy rainfall, flood, center floating head can It floats, well lid will not float when floating, and protect pedestrains safety；Displacement increases simultaneously.
Two, under small flow, sundries cannot block well lid in water, no matter using how long long, center floating head and manhole cover body It is not easy to deposition or sundries card jail, therefore, floating function is sensitive.
Three, by parallel above and below the first guide ring and the second guide ring, with diameter and with one heart, centre pilot column is through first This structure is arranged in guide ring and the second guide ring, and large-scale sundries and some can not only be prevented to be difficult to the polybag cleared up It falls assistant's pipeline and causes to block, and defluidization does not enter latus rectum again.
Description of the drawings
Fig. 1：The sectional view of town road well lid normality in the embodiment of the present invention；
Fig. 2：The sectional view of town road well lid floating state in the embodiment of the present invention；
Fig. 3：The sectional view of manhole cover body in the embodiment of the present invention；
Fig. 4：The bottom surface structure schematic diagram of manhole cover body in the embodiment of the present invention；
Fig. 5：The bottom surface structure schematic diagram of center floating head in the embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
It please refers to Fig.1 shown in -5：A kind of town road well lid of the present embodiment, by 2 groups of manhole cover body 1 and center floating head At manhole cover body 1 and center floating head 2 are rounded.1 middle part of manhole cover body is equipped with through-hole 10, and through-hole 10 is also rounded, through-hole 10 Area accounts for the 1/4~1/2 of 1 area of manhole cover body.10 lower wall of through-hole is equipped with the boss 100 inwardly stretched out, and boss 100 is in ring Shape.
Center floating head 2 is to be less than the floating head ontology 20 of through-hole 10 by size and stretch into the centre pilot column 21 of 10 lower section of through-hole Composition.20 times middle side parts of floating head ontology are fixed in 21 upper end of centre pilot column, and 21 lower end of centre pilot column is equipped with limited block 22.In Heart guide post 21 and circular floating head ontology 20 are concentric.
First limit up and down for limiting centre pilot column 21 is additionally provided in manhole cover body 1 below boss 100 Position frame 12 and the second position-limited rack 11.First position-limited rack 12 is led by being fixed on the first reinforced frame of manhole cover body 1 and the first of middle part It is formed to ring 120.Second position-limited rack 11 is by being fixed on the second reinforced frame of manhole cover body 1 and 110 groups of second guide ring at middle part At.First guide ring 120 is parallel with the second about 110 guide ring, with diameter and with one heart, and centre pilot column 21 is oriented to through first In ring 120 and the second guide ring 110.The ring section of first guide ring 120 and the second guide ring 110 is rounded, and internal diameter with It is consistent between 21 outer diameter of centre pilot column, ensure that there are small gaps between centre pilot column 21 and guide ring.In Line contacts between the circumferential surface of heart guide post 21 and the first guide ring 120,110 internal diameter of the second guide ring, and above-mentioned first reinforced frame is solid Due to 100 inner wall of boss, the second reinforced frame is fixed on 1 lower part of manhole cover body.22 size of above-mentioned limited block is more than the second guide ring 110.20 downside circumference of floating head ontology is equipped with multiple regularly arranged floating blocks 23,23 annular array of multiple floating blocks, multiple adjacent floatings There are flowing water gaps between block 23.Floating head ontology 20 is by 23 support of floating block above boss 100.It is more by being arranged by setting The averag density of a floating block 23, center floating head 2 is between 0.80-0.88 × 103 kg/m 3.
For the preferably leak under small traffic conditions, 10 size of through-hole is more than floating head ontology 20 so that floating head ontology 20 To between through-hole 10, there are the leak gaps of annular for periphery.100 inside of boss is equipped with multiple leakage holes 101, multiple leakage holes 101 Annular array, and corresponding to below leak gap.Since 20 downside circumference of floating head ontology is equipped with multiple regularly arranged floating blocks 23, 23 annular array of multiple floating blocks, there are flowing water gaps between multiple adjacent floating blocks 23.Above-mentioned leak gap, multiple leakage holes and stream The setting of water space so that the position that center floating head 2 is in contact with floating head ontology 20 can be with leak.So, no matter Using how long, deposition and sundries will not be blocked in center floating head 2 and floating head ontology 20, in heavy rainfall, flood, in it is flighty and impatient Lid 2 will not necessarily be stuck failure, float sensitive.
The manhole cover body 1 is mounted on ground when use, such as above structure of center floating head 2 is fitted in 1 middle part of manhole cover body. Usually, therefrom the leak gap on 2 periphery of flighty and impatient lid, multiple leakage holes and flowing water gap flow into small flow water, when heavy rainfall, When flood, 2 top of center floating head, big through-hole reforms into flowing water latus rectum, accelerates flowing down for water.The effect of centre pilot column 21 Under, the center floating head 2 of floating will not float, and will not drift with water, and only can just float.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiment being appreciated that.

Claims (4)

1. town road well lid, it is characterised in that：By manhole cover body（1）With center floating head（2）Composition, manhole cover body（1）Middle part Equipped with through-hole（10）, through-hole（10）Lower wall is equipped with the boss inwardly stretched out（100）；Center floating head（2）It is to be less than to lead to by size Hole（10）Floating head ontology（20）With stretch into through-hole（10）The centre pilot column of lower section（21）Composition；Centre pilot column（21）Upper end It is fixed on floating head ontology（20）Lower middle side part, centre pilot column（21）Lower end is equipped with limited block（22）；In boss（100）Lower section Manhole cover body（1）On be additionally provided with for limiting centre pilot column（21）The first up and down position-limited rack（12）With the second position-limited rack （11）；First position-limited rack（12）By being fixed on manhole cover body（1）The first reinforced frame and middle part the first guide ring（120）Group At；Second position-limited rack（11）By being fixed on manhole cover body（1）The second reinforced frame and middle part the second guide ring（110）Composition； First guide ring（120）With the second guide ring（110）Up and down it is parallel, with diameter and with one heart, centre pilot column（21）Through first Guide ring（120）With the second guide ring（110）It is interior；Limited block（22）Size is more than the second guide ring（110）；The floating head ontology （20）Downside circumference is equipped with multiple regularly arranged floating blocks（23）；Floating head ontology（20）Pass through floating block（23）It holds in the palm in boss（100） Top；Through-hole（10）Area accounts for manhole cover body（1）The 1/4~1/2 of area；Multiple floating blocks（23）Annular array, multiple adjacent floatings Block（23）Between there are flowing water gaps.
2. town road well lid according to claim 1, it is characterised in that：Center floating head（2）Averag density be 0.80-0.88×103Kg/m3Between.
3. town road well lid according to claim 1, which is characterized in that through-hole（10）With floating head ontology（20）In circle Shape, through-hole（10）Size is more than floating head ontology（20）So that floating head ontology（20）Periphery is to through-hole（10）Between there are annular Leak gap.
4. town road well lid according to claim 1, it is characterised in that：First reinforced frame is fixed on boss（100）It is interior Wall；Second reinforced frame is fixed on manhole cover body（1）Lower part.
CN201611181881.7A 2016-12-20 2016-12-20 Town road well lid Active CN106592643B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201611181881.7A CN106592643B (en) 2016-12-20 2016-12-20 Town road well lid
CN201810406120.XA CN108532729A (en) 2016-12-20 2016-12-20 Town road well lid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611181881.7A CN106592643B (en) 2016-12-20 2016-12-20 Town road well lid

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201810406120.XA Division CN108532729A (en) 2016-12-20 2016-12-20 Town road well lid

Publications (2)

Publication Number Publication Date
CN106592643A CN106592643A (en) 2017-04-26
CN106592643B true CN106592643B (en) 2018-08-14

Family

ID=58600029

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201611181881.7A Active CN106592643B (en) 2016-12-20 2016-12-20 Town road well lid
CN201810406120.XA Withdrawn CN108532729A (en) 2016-12-20 2016-12-20 Town road well lid

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201810406120.XA Withdrawn CN108532729A (en) 2016-12-20 2016-12-20 Town road well lid

Country Status (1)

Country Link
CN (2) CN106592643B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113754199B (en) * 2021-09-30 2022-08-16 湖南雨创环保工程有限公司 Road non-point source pollution processor
CN115506468B (en) * 2022-10-18 2023-05-26 江苏华昇新材料科技有限公司 Automatic opening drainage inspection well equipment made of composite material

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120082519A (en) * 2011-01-14 2012-07-24 주식회사 기남금속 Manhole cover with water pressure adjusting function
CN103074934A (en) * 2013-02-21 2013-05-01 吴超 Sewer well lid
KR20130056073A (en) * 2011-11-21 2013-05-29 광주광역시환경시설공단 Locking device of a manhole cover
CN103195101A (en) * 2013-05-03 2013-07-10 相阳 Safety well lid
CN104975646A (en) * 2015-07-01 2015-10-14 重庆腾田科技发展有限公司 Flood control well lid
CN206457851U (en) * 2016-12-20 2017-09-01 王东海 A kind of town road well lid

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29919459U1 (en) * 1999-11-05 2000-02-24 Wittmann Georg Sink box closure
KR100983466B1 (en) * 2007-05-08 2010-10-11 민승기 Backflow prevention device for manhole of sewer pipe

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120082519A (en) * 2011-01-14 2012-07-24 주식회사 기남금속 Manhole cover with water pressure adjusting function
KR20130056073A (en) * 2011-11-21 2013-05-29 광주광역시환경시설공단 Locking device of a manhole cover
CN103074934A (en) * 2013-02-21 2013-05-01 吴超 Sewer well lid
CN103195101A (en) * 2013-05-03 2013-07-10 相阳 Safety well lid
CN104975646A (en) * 2015-07-01 2015-10-14 重庆腾田科技发展有限公司 Flood control well lid
CN206457851U (en) * 2016-12-20 2017-09-01 王东海 A kind of town road well lid

Also Published As

Publication number Publication date
CN106592643A (en) 2017-04-26
CN108532729A (en) 2018-09-14

Similar Documents

Publication Publication Date Title
CN106592643B (en) Town road well lid
CN102852162A (en) Water discharging manhole cover capable of automatically hoisting
CN108978455A (en) One kind builds a bridge discharge structure
CN205688460U (en) Pipe gallery system with sponge city function
CN206457851U (en) A kind of town road well lid
CN103437333B (en) Spiral-lifting water pool type fishway
CN2816143Y (en) Sludge-sand removing apparatus for river reservoir
CN206158313U (en) Pole safety warning protector
CN102900145A (en) Outdoor ground forced drainage anti-backward flow integrated drainage manhole cover
CN103290912A (en) Sewer wellhead automatic protection device
CN207812644U (en) A kind of more ball gearing reverse-filling well lids
CN206090801U (en) Rainwater pollutant intercepting equipment
CN108316450A (en) A kind of highway road well lid
CN203795467U (en) Retaining wall drain device
CN209339284U (en) A kind of gardens discharge structure
CN210032043U (en) Gutter inlet with flow dividing function
CN204919766U (en) Municipal works are with many delivery ports drain pipe
CN203755346U (en) Inspection well safety protection self-rescue facility
CN209114580U (en) Water sealed floor drain core and floor drain mounting structure
CN204756043U (en) Water -saving irrigation goes out unsteady valve of water installation
CN203755231U (en) Automatic flood diversion and aerating system for urban landscape river channels
CN205907715U (en) Be applied to utility tunnel's rain, sewer manhole
CN206458948U (en) A kind of vertical protector
CN202970008U (en) Netcage type swimming pool
CN2921153Y (en) Compound pressure roof drain

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
EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20170426

Assignee: Tiantai global screen Co.,Ltd.

Assignor: Fan Yaofei

Contract record no.: X2024980005390

Denomination of invention: Municipal road manhole cover

Granted publication date: 20180814

License type: Common License

Record date: 20240508

Application publication date: 20170426

Assignee: Tiantai Mountain Weaving Filter Fabric Industrial Co.

Assignor: Fan Yaofei

Contract record no.: X2024980005377

Denomination of invention: Municipal road manhole cover

Granted publication date: 20180814

License type: Common License

Record date: 20240508

EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20170426

Assignee: ZHEJIANG DONGYI ALUMINUM MATERIALS Co.,Ltd.

Assignor: Fan Yaofei

Contract record no.: X2024980005603

Denomination of invention: Municipal road manhole cover

Granted publication date: 20180814

License type: Common License

Record date: 20240510

Application publication date: 20170426

Assignee: Zhejiang Flower New Material Co.,Ltd.

Assignor: Fan Yaofei

Contract record no.: X2024980005602

Denomination of invention: Municipal road manhole cover

Granted publication date: 20180814

License type: Common License

Record date: 20240510

Application publication date: 20170426

Assignee: TIANTAI HONGSHI SAFETY GLASS Co.,Ltd.

Assignor: Fan Yaofei

Contract record no.: X2024980005529

Denomination of invention: Municipal road manhole cover

Granted publication date: 20180814

License type: Common License

Record date: 20240510

Application publication date: 20170426

Assignee: ZHEJIANG YONGNING FILTER CLOTH Co.,Ltd.

Assignor: Fan Yaofei

Contract record no.: X2024980005516

Denomination of invention: Municipal road manhole cover

Granted publication date: 20180814

License type: Common License

Record date: 20240510

Application publication date: 20170426

Assignee: Zhejiang Tiantai zhengcan cotton textile factory

Assignor: Fan Yaofei

Contract record no.: X2024980005658

Denomination of invention: Municipal road manhole cover

Granted publication date: 20180814

License type: Common License

Record date: 20240511

Application publication date: 20170426

Assignee: Zhejiang Tiantai Jiahe Net Industry Co.,Ltd.

Assignor: Fan Yaofei

Contract record no.: X2024980005649

Denomination of invention: Municipal road manhole cover

Granted publication date: 20180814

License type: Common License

Record date: 20240511

Application publication date: 20170426

Assignee: Zhejiang Tiantai anda Filter Technology Co.,Ltd.

Assignor: Fan Yaofei

Contract record no.: X2024980005621

Denomination of invention: Municipal road manhole cover

Granted publication date: 20180814

License type: Common License

Record date: 20240511

EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20170426

Assignee: Tiantai Sanyou filter material Co.,Ltd.

Assignor: Fan Yaofei

Contract record no.: X2024980005764

Denomination of invention: Municipal road manhole cover

Granted publication date: 20180814

License type: Common License

Record date: 20240514

EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20170426

Assignee: Zhejiang Tiantai Jiuchuan New Materials Co.,Ltd.

Assignor: Fan Yaofei

Contract record no.: X2024980006431

Denomination of invention: Municipal road manhole cover

Granted publication date: 20180814

License type: Common License

Record date: 20240530

Application publication date: 20170426

Assignee: Tiantai County Xiecheng Arts & Crafts Co.,Ltd.

Assignor: Fan Yaofei

Contract record no.: X2024980006409

Denomination of invention: Municipal road manhole cover

Granted publication date: 20180814

License type: Common License

Record date: 20240530

EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20170426

Assignee: Zhejiang Tiantai Shenergy Packaging Co.,Ltd.

Assignor: Fan Yaofei

Contract record no.: X2024980006536

Denomination of invention: Municipal road manhole cover

Granted publication date: 20180814

License type: Common License

Record date: 20240531

Application publication date: 20170426

Assignee: Zhejiang Hongfeng Outdoor Products Co.,Ltd.

Assignor: Fan Yaofei

Contract record no.: X2024980006526

Denomination of invention: Municipal road manhole cover

Granted publication date: 20180814

License type: Common License

Record date: 20240531

Application publication date: 20170426

Assignee: TIANTAI HENGDELI INDUSTRY AND TRADE CO.,LTD.

Assignor: Fan Yaofei

Contract record no.: X2024980006511

Denomination of invention: Municipal road manhole cover

Granted publication date: 20180814

License type: Common License

Record date: 20240531

EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20170426

Assignee: Taizhou Juxin Concrete Co.,Ltd.

Assignor: Fan Yaofei

Contract record no.: X2024980007893

Denomination of invention: Municipal road manhole cover

Granted publication date: 20180814

License type: Common License

Record date: 20240624

Application publication date: 20170426

Assignee: Zhejiang Tiantai Shuanglin Machinery Co.,Ltd.

Assignor: Fan Yaofei

Contract record no.: X2024980007816

Denomination of invention: Municipal road manhole cover

Granted publication date: 20180814

License type: Common License

Record date: 20240624