CN107716233B - Equipment and its application method for stainless steel water tank liner coating polytetrafluoroethylene (PTFE) - Google Patents
Equipment and its application method for stainless steel water tank liner coating polytetrafluoroethylene (PTFE) Download PDFInfo
- Publication number
- CN107716233B CN107716233B CN201710939498.1A CN201710939498A CN107716233B CN 107716233 B CN107716233 B CN 107716233B CN 201710939498 A CN201710939498 A CN 201710939498A CN 107716233 B CN107716233 B CN 107716233B
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- Prior art keywords
- water tank
- stainless steel
- steel water
- tank liner
- ptfe
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- 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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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 239000010935 stainless steel Substances 0.000 title claims abstract description 74
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 74
- 229920001343 polytetrafluoroethylene Polymers 0.000 title claims abstract description 54
- 239000004810 polytetrafluoroethylene Substances 0.000 title claims abstract description 54
- -1 polytetrafluoroethylene Polymers 0.000 title claims abstract description 25
- 238000000576 coating method Methods 0.000 title claims abstract description 24
- 239000011248 coating agent Substances 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 11
- 241000239290 Araneae Species 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 239000000243 solution Substances 0.000 claims description 15
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- 230000007704 transition Effects 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 10
- 238000007605 air drying Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 description 9
- 238000005260 corrosion Methods 0.000 description 9
- 230000006872 improvement Effects 0.000 description 6
- 210000003298 dental enamel Anatomy 0.000 description 4
- 229910000975 Carbon steel Inorganic materials 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- 239000010962 carbon steel Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052573 porcelain Inorganic materials 0.000 description 3
- 239000002990 reinforced plastic Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000000232 gallbladder Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C7/00—Apparatus specially designed for applying liquid or other fluent material to the inside of hollow work
- B05C7/04—Apparatus specially designed for applying liquid or other fluent material to the inside of hollow work the liquid or other fluent material flowing or being moved through the work; the work being filled with liquid or other fluent material and emptied
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention belongs to stainless steel water tank liner manufacturing fields, more particularly to a kind of equipment for stainless steel water tank liner coating polytetrafluoroethylene (PTFE), including stationary work-table, the guide rail being connect with stationary work-table and the auxiliary table for being slidably mounted on the guide rail, the stationary work-table is internally provided with transmission mechanism, the outside of the stationary work-table is provided with active spider, the transmission mechanism and the active spider are sequentially connected, and the auxiliary table is provided with driven chuck.Compared with the prior art, the configuration of the present invention is simple is firm, stainless steel water tank liner can be fixed on well between active spider and driven chuck, and transmission mechanism can drive active spider to rotate, to drive stainless steel water tank liner to rotate, so that aqueous polytetrafluoroethyldispersion solution can equably infiltrate stainless steel water tank liner inner wall.In addition, easy to operate, coating works well the present invention also provides a kind of application method of equipment for stainless steel water tank liner coating polytetrafluoroethylene (PTFE).
Description
Technical field
The invention belongs to stainless steel water tank liner manufacturing technology fields, more particularly to a kind of stainless steel water tank liner that is used for ward off
The equipment and its application method of coating tetrafluoroethylene.
Background technique
Air energy, solar energy, floor heating inner water tank material substantially use enamel inner container or SUS304-2B at present.Make
When using enamel inner container as pressure-bearing water tank inner liner, enamel inner container adds porcelain powder by carbon steel sheet, through high temperature sintering enamel, makes water tank plate face
Form fine and close glaze layer, but glaze layer itself have the characteristics that it is frangible, it is careless slightly in production and installation process, will be to glaze layer
It damages, makes its burst porcelain or de- porcelain, at this time chloride ion, calcified material etc. be easy to cause the chemical attack of carbon steel in water, and naked
The Carbon steel welds position exposed then is easy to cause ionization corrosion etc., so that the service life of the water quality, water tank itself in water tank
It will be severely impacted.And when using SUS304 production pressure-bearing water tank inner liner, the carbon easy to form during argon arc welding welding
Crystal boundary Cr depletion zone caused by the Chemistry and Physics Institute, weld seam, which is chronically exposed in hot water, to be easy to appear corrosion and leads to leak, influences the water tank service life；
Especially in the higher water of chloride ion-containing concentration, since chloride ion can play destruction to passivating film in certain parts, lead
It causes that local couple corrosion occurs, compared with homogeneous corrosion, much faster, risk is also much bigger, past for local couple corrosion speed
Toward liner leakage failure is caused, cause stainless steel water tank liner leak, water tank is scrapped.
Since polytetrafluorethylecoatings coatings have excellent heat resistance and corrosion resistance, can connect between 240 DEG C ~ 260 DEG C
It is continuous to use, there is significant thermal stability, it can work without embrittlement under cryogenic temperature, not melt at high temperature；And
Polytetrafluoroethylene (PTFE) hardly by the effect of strong acid, highly basic, strong oxidizer and various organic solvents, can protect metal surface from
By any kind of chemical attack.If polytetrafluoroethylene (PTFE) is made water heater stainless steel water tank liner protective coating, it is avoided that
Stainless steel surface is directly contacted with water, avoids the corrosion of undesired water.
In view of this, it is necessory to provide a kind of device and method by polytetrafluoroethylene (PTFE) equably coating to stainless steel water tank
The inner wall of liner.
Summary of the invention
It is an object of the present invention to: in view of the deficiencies of the prior art, and provide a kind of for stainless steel water tank liner
The equipment of coating polytetrafluoroethylene (PTFE), the equipment can equably coating has to the inner wall of stainless steel water tank liner by polytetrafluoroethylene (PTFE)
Effect stainless steel surface is avoided directly to contact with water, undesired water is avoided to cause to corrode to stainless steel water tank liner.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of equipment for stainless steel water tank liner coating polytetrafluoroethylene (PTFE), including stationary work-table and fixed work
The guide rail of platform connection and the auxiliary table for being slidably mounted on the guide rail, the stationary work-table are internally provided with transmission
Mechanism, the outside of the stationary work-table are provided with active spider, and the transmission mechanism and the active spider are sequentially connected, institute
It states auxiliary table and is provided with driven chuck.
Compared with the prior art, the configuration of the present invention is simple is firm, can be fixed on well stainless steel water tank liner actively
Between chuck and driven chuck, and transmission mechanism can drive active spider to rotate, so that stainless steel water tank liner is driven to rotate, into
And aqueous polytetrafluoroethyldispersion solution is enabled equably to infiltrate stainless steel water tank liner inner wall.
It is described as a kind of improvement of the equipment of the present invention for stainless steel water tank liner coating polytetrafluoroethylene (PTFE)
Transmission mechanism include a slowspeed machine, two belt pulleys, a belt and two bearings seat, wherein a belt pulley be installed on it is described low
The output end of speed motor, another belt pulley are then installed between two bearing blocks, and two belt pulleys pass through the skin
V belt translation connection.In use, opening slowspeed machine, the pulley rotation for being installed on its output end is driven by slowspeed machine, into
And belt starts to be driven, another belt pulley also rotates.
It is described as a kind of improvement of the equipment of the present invention for stainless steel water tank liner coating polytetrafluoroethylene (PTFE)
Active spider includes that connecting rod, transition plectane, support rod and clamping ring, the connecting rod are fixed by two bearing blocks, institute
It states transition plectane to connect with the connecting rod, the transition plectane is connected with the clamping ring by the support rod.Connecting rod
It is fixed with two bearings seat, belt pulley is rotatably dispose in again between two bearings seat, pulley rotation and then drive connecting rod rotation.
It is described as a kind of improvement of the equipment of the present invention for stainless steel water tank liner coating polytetrafluoroethylene (PTFE)
The diameter of transition plectane is less than the diameter of the clamping ring.
It is described as a kind of improvement of the equipment of the present invention for stainless steel water tank liner coating polytetrafluoroethylene (PTFE)
Active spider is identical as the mounting height of the driven chuck.Active spider is identical with the mounting height of driven chuck, it is ensured that
Stainless steel water tank liner is in a horizontal positioned state, so that internal polytetrafluoroethylene (PTFE) when being fixed between the two
Aqueous solution energy homogeneous immersion is to stainless steel water tank liner inner wall.
It is described as a kind of improvement of the equipment of the present invention for stainless steel water tank liner coating polytetrafluoroethylene (PTFE)
The bottom of auxiliary table is provided with idler wheel, and the idler wheel is located on the guide rail.The setting of idler wheel is so that auxiliary table
Position is adjustable, and adjusting position is depending on the specification of stainless steel water tank liner.
It is another object of the present invention to provide a kind of equipment for stainless steel water tank liner coating polytetrafluoroethylene (PTFE)
Application method, comprising the following steps:
The end socket for being clean stainless steel water tank liner is fixed on active spider, mobile back work by step 1
Platform makes another end socket of stainless steel water tank liner be fixed on driven chuck, and fixed auxiliary table；
Step 2, adjustment stainless steel water tank liner make its liquid injection port straight down, aqueous polytetrafluoroethyldispersion solution are passed through
Note comb and ball valve are injected into stainless steel water tank liner, reach stainless steel water tank liner volume to aqueous polytetrafluoroethyldispersion solution
55% or more after stop fluid injection, each connector on stainless steel water tank liner is screwed on plug, ball valve is closed and simultaneously loosens note row
Pipe；
Step 3 opens slowspeed machine, drives active spider rotation, fills the stainless steel water of aqueous polytetrafluoroethyldispersion solution
Case liner and driven chuck rotate with it, and after rotating several weeks, adjust the position of stainless steel water tank liner liquid injection port, make stainless steel water
The liquid injection port of case liner straight down, closes slowspeed machine；
Note comb connect with ball valve again, opens ball valve, the plug on each connector unclamped, to stainless by step 4
Extra aqueous polytetrafluoroethyldispersion solution is recycled in reinforced plastic water container liner, then loosens ball valve and note comb, will be stainless
Reinforced plastic water container liner is unloaded from active spider and driven chuck, is moved under the conditions of 300 ~ 400 DEG C of temperature and is dried after air drying
Roasting plasticizing.
Compared with the prior art, application method of the invention is easy, need to only be fixed on stainless steel water tank liner and actively block
Between disk and driven chuck, then it is passed through aqueous polytetrafluoroethyldispersion solution into stainless steel water tank liner, starts drive mechanism
The rotation of stainless steel water tank liner is driven, so that aqueous polytetrafluoroethyldispersion solution is uniform and is sufficiently wet in stainless steel water tank
The inner wall of gallbladder.It should be noted that polytetrafluoroethylene (PTFE) has excellent heat resistance and corrosion resistance, can connect at 240 DEG C ~ 260 DEG C
It is continuous to use；Polytetrafluoroethylene (PTFE) has significant thermal stability, it can work without embrittlement, at high temperature not under cryogenic temperature
Melt；Polytetrafluoroethylene (PTFE) hardly by the effect of strong acid, highly basic, strong oxidizer and various organic solvents, can protect metal watch
Face protects against any kind of chemical attack.It can be in stainless steel by using equipment provided by the present invention and its application method
Inner water tank coating polytetrafluoroethylene (PTFE) can be effectively prevented from stainless steel surface and directly contact with water, avoid the corrosion of undesired water.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the structural schematic diagram of active spider in the present invention.
Wherein: 1- stationary work-table, 2- guide rail, 3- auxiliary table, 4- transmission mechanism, 5- active spider, the driven card of 6-
Disk, 7- stainless steel water tank liner, 8- ball valve, 9- infuse comb, 31- idler wheel, 41- slowspeed machine, 42- belt pulley, 43- belt, 44-
Bearing block, 51- connecting rod, 52- transition plectane, 53- support rod, 54- clamping ring, 71- end socket, 72- liquid injection port, 73- connector,
74- plug.
Specific embodiment
The present invention and its advantages are made further specifically below in conjunction with specific embodiment and Figure of description
Bright, still, a specific embodiment of the invention is not limited thereto.
Embodiment 1
The present embodiment provides a kind of equipment for stainless steel water tank liner coating polytetrafluoroethylene (PTFE), including stationary work-table
1, the guide rail 2 that is connect with stationary work-table 1 and the auxiliary table 3 for being slidably mounted on guide rail 2, the inside of stationary work-table 1
It is provided with transmission mechanism 4, the outside of stationary work-table 1 is provided with active spider 5, and transmission mechanism 4 and the transmission of active spider 5 connect
It connects, auxiliary table 3 is provided with driven chuck 6.
Further, transmission mechanism 4 includes a slowspeed machine 41, two belt pulleys 42, a belt 43 and two bearings seat 44,
In a belt pulley 42 be installed on the output end of slowspeed machine 41, another belt pulley 42 is installed between two bearings seat 44, two belts
Wheel 42 is sequentially connected by belt 43.
Further, active spider 5 includes connecting rod 51, transition plectane 52, support rod 53 and clamping ring 54, connecting rod 51
Fixed by two bearings seat 44, transition plectane 52 is connect with connecting rod 51, and transition plectane 52 and clamping ring 54 pass through support rod 53
Connection.The diameter of transition plectane 52 is less than the diameter of clamping ring 54.
Further, active spider 5 is identical as the mounting height of driven chuck 6.
Further, the bottom of auxiliary table 3 is provided with idler wheel 31, and idler wheel 31 is located on guide rail 2.
Embodiment 2
The present embodiment provides a kind of equipment described in embodiment 1 for stainless steel water tank liner coating polytetrafluoroethylene (PTFE)
Application method, comprising the following steps:
The end socket 71 for being clean stainless steel water tank liner 7 is fixed on active spider 5, mobile auxiliary by step 1
Workbench 3 makes another end socket 71 of stainless steel water tank liner 7 be fixed on driven chuck 6, and fixed auxiliary table 3；
Step 2, adjustment stainless steel water tank liner 7 make its liquid injection port 72 straight down, aqueous polytetrafluoroethyldispersion solution are led to
It crosses note comb 9 and ball valve 8 is injected into stainless steel water tank liner 7, reach in stainless steel water tank to aqueous polytetrafluoroethyldispersion solution
Stop fluid injection after 55% or more of 7 volume of gallbladder, each connector 73 on stainless steel water tank liner 7 is screwed on plug 74, closes ball valve
8 and loosen note comb 9；
Step 3 opens slowspeed machine 41, and active spider 5 is driven to rotate, and fills the stainless of aqueous polytetrafluoroethyldispersion solution
Reinforced plastic water container liner 7 and driven chuck 6 rotate with it, and after rotating several weeks, adjust the position of 7 liquid injection port 72 of stainless steel water tank liner,
The liquid injection port 72 for making stainless steel water tank liner 7 straight down, closes slowspeed machine 41；
Note comb 9 connect with ball valve 8 again, opens ball valve 8, the plug 74 on each connector 73 is unclamped by step 4,
Aqueous polytetrafluoroethyldispersion solution extra in stainless steel water tank liner 7 is recycled, ball valve 8 and note comb are then loosened
9, stainless steel water tank liner 7 is unloaded from active spider 5 and driven chuck 6, moves to 300 ~ 400 DEG C of temperature strip after air drying
Baking plasticizing is carried out under part.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and is modified.Therefore, the invention is not limited to above-mentioned specific embodiment, all those skilled in the art exist
Made any conspicuous improvement, replacement or modification all belong to the scope of protection of the present invention on the basis of the present invention.This
Outside, although using some specific terms in this specification, these terms are merely for convenience of description, not to the present invention
Constitute any restrictions.
Claims (4)
1. a kind of equipment for stainless steel water tank liner coating polytetrafluoroethylene (PTFE), it is characterised in that: including stationary work-table, with
The guide rail of stationary work-table connection and the auxiliary table for being slidably mounted on the guide rail, the inside of the stationary work-table is set
It is equipped with transmission mechanism, the outside of the stationary work-table is provided with active spider, and the transmission mechanism and the active spider pass
Dynamic connection, the auxiliary table are provided with driven chuck；
The transmission mechanism includes a slowspeed machine, two belt pulleys, a belt and two bearings seat, wherein a belt pulley installation
In the output end of the slowspeed machine, another belt pulley is then installed between two bearing blocks, and two belt pulleys are logical
Cross the belt transmission connection；
The active spider includes that connecting rod, transition plectane, support rod and clamping ring, the connecting rod pass through two bearing blocks
Fixed, the transition plectane is connect with the connecting rod, and the transition plectane is connected with the clamping ring by the support rod；
The application method of the equipment the following steps are included:
The end socket for being clean the stainless steel water tank liner is fixed on the active spider by step 1, it is mobile described in
Auxiliary table makes another end socket of the stainless steel water tank liner be fixed on the driven chuck, and the fixed auxiliary
Workbench；
Step 2, adjusting the stainless steel water tank liner makes its liquid injection port straight down, and aqueous polytetrafluoroethyldispersion solution is passed through
Note comb and ball valve are injected into the stainless steel water tank liner, reach the stainless steel to the aqueous polytetrafluoroethyldispersion solution
Stop fluid injection after 55% or more of inner water tank volume, each connector on the stainless steel water tank liner is screwed on plug, closes
The ball valve simultaneously loosens the note comb；
Step 3 opens the slowspeed machine, drives the active spider to rotate, fills the aqueous polytetrafluoroethyldispersion solution
The stainless steel water tank liner and the driven chuck rotate with it, and after rotating several weeks, adjust the stainless steel water tank liner institute
The position for stating liquid injection port, the liquid injection port for making the stainless steel water tank liner straight down, close the slowspeed machine；
The note comb connect with the ball valve again, opens the ball valve, described on each connector by step 4
Plug unclamps, and is recycled to the aqueous polytetrafluoroethyldispersion solution extra in the stainless steel water tank liner, then
The ball valve and the note comb are loosened, the stainless steel water tank liner is unloaded from the active spider and the driven chuck
Under, it is moved under the conditions of 300 ~ 400 DEG C of temperature after air drying and carries out baking plasticizing.
2. the equipment according to claim 1 for stainless steel water tank liner coating polytetrafluoroethylene (PTFE), it is characterised in that: institute
The diameter for stating transition plectane is less than the diameter of the clamping ring.
3. the equipment according to claim 1 for stainless steel water tank liner coating polytetrafluoroethylene (PTFE), it is characterised in that: institute
It is identical as the mounting height of the driven chuck to state active spider.
4. the equipment according to claim 1 for stainless steel water tank liner coating polytetrafluoroethylene (PTFE), it is characterised in that: institute
The bottom for stating auxiliary table is provided with idler wheel, and the idler wheel is located on the guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710939498.1A CN107716233B (en) | 2017-09-30 | 2017-09-30 | Equipment and its application method for stainless steel water tank liner coating polytetrafluoroethylene (PTFE) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710939498.1A CN107716233B (en) | 2017-09-30 | 2017-09-30 | Equipment and its application method for stainless steel water tank liner coating polytetrafluoroethylene (PTFE) |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107716233A CN107716233A (en) | 2018-02-23 |
| CN107716233B true CN107716233B (en) | 2019-12-03 |
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| CN201710939498.1A Active CN107716233B (en) | 2017-09-30 | 2017-09-30 | Equipment and its application method for stainless steel water tank liner coating polytetrafluoroethylene (PTFE) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108838032A (en) * | 2018-07-25 | 2018-11-20 | 江南工业集团有限公司 | A kind of cylinder part coating on inner surface roll-on device and coating process |
| CN114053559B (en) * | 2021-10-25 | 2022-08-09 | 北京东方金荣超声电器有限公司 | Multi-balloon clamp and batch medicine balloon medicine coating equipment |
| CN114247607A (en) * | 2021-12-16 | 2022-03-29 | 中材科技（苏州）有限公司 | Automatic glue spreader for plastic liner bottle mouth |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100431718C (en) * | 2006-04-18 | 2008-11-12 | 玉溪玉杯金属制品有限公司 | Coating apparatus |
| CN101307955A (en) * | 2007-05-16 | 2008-11-19 | 张惠银 | Anti-corrosive thermal storage type water tanks |
| CN202660744U (en) * | 2012-06-21 | 2013-01-09 | 王福安 | Durable inner container of water heater |
| CN102776503B (en) * | 2012-08-10 | 2014-12-03 | 黄石东贝机电集团太阳能有限公司 | Preservative treatment technology method for stainless-steel pressure-bearing water tank inner tank |
| CN105666076B (en) * | 2016-02-29 | 2017-07-28 | 黄永伟 | A kind of preparation method of press-bearing water tank heat-exchange inner container |
| CN105921305B (en) * | 2016-06-22 | 2019-01-11 | 广东瑞星新能源科技有限公司 | Spraying protection process for girth welding seam of inner container of stainless steel water tank |
| CN206055940U (en) * | 2016-07-29 | 2017-03-29 | 宁波市大树节能科技有限公司 | A kind of water heater ultrasonic descaling device |
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Address after: 523000 Hongjin Road, Wusha village, Hongmei Town, Dongguan City, Guangdong Province Patentee after: Guangdong Ruifa Electric Appliance Co.,Ltd. Address before: 523000 Hongjin Road, Wusha village, Hongmei Town, Dongguan City, Guangdong Province Patentee before: GUANGDONG RUIFA WATER TANK PRODUCTS Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Equipment for enamel coating teflon for stainless steel water tank inner tank and using method thereof Effective date of registration: 20220825 Granted publication date: 20191203 Pledgee: Agricultural Bank of China Limited Heshan sub branch Pledgor: Guangdong Ruifa Electric Appliance Co.,Ltd. Registration number: Y2022980013612 |
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