CN107352183A - A kind of tank deck device - Google Patents
A kind of tank deck device Download PDFInfo
- Publication number
- CN107352183A CN107352183A CN201710739350.3A CN201710739350A CN107352183A CN 107352183 A CN107352183 A CN 107352183A CN 201710739350 A CN201710739350 A CN 201710739350A CN 107352183 A CN107352183 A CN 107352183A
- Authority
- CN
- China
- Prior art keywords
- negative pressure
- pressure protection
- bonnet
- lid
- positive pressure
- 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.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 238000006073 displacement reaction Methods 0.000 claims abstract description 7
- 238000004140 cleaning Methods 0.000 claims description 24
- 239000012530 fluid Substances 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 17
- 230000008676 import Effects 0.000 claims description 12
- 230000006978 adaptation Effects 0.000 claims 1
- 230000001681 protective effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000000855 fermentation Methods 0.000 description 2
- 230000004151 fermentation Effects 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000006210 lotion Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/22—Safety features
- B65D90/32—Arrangements for preventing, or minimising the effect of, excessive or insufficient pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
Abstract
The invention belongs to tank body to protect field, and in particular to a kind of tank deck device, including：Lid；Negative pressure protection mechanism, is arranged on lid, the air inlet negative pressure protective effect when air pressure is less than certain value in tank；Negative pressure protection mechanism includes negative pressure protection flap, the negative pressure being connected with negative pressure protection flap protects valve rod, negative pressure protects bonnet, negative pressure protection bonnet is connected to above lid, negative pressure protection bonnet is provided with air inlet, negative pressure protection flap negative relative protection bonnet upper and lower displacement can block air inlet or air inlet is connected with space in tank, negative pressure protection valve rod upper end is hinged with lever, support bar is fixedly connected with negative pressure protection bonnet, support bar and the be hinged fulcrum for forming lever of lever, lever is provided with replaceable and/or moveable weight with respect to opposite side of the fulcrum in negative pressure protection valve rod.When negative pressure can overcome the active force of lever, negative pressure protection flap moves down pressure in increase device, and the regulation of negative pressure value can be realized by moving heavy object or replacing weight.
Description
Technical field
The invention belongs to tank body to protect field, and in particular to a kind of tank deck device.
Background technology
In the equipment such as holding vessel, fermentation tank, the situation of negative pressure, general meeting occur in discharging and partial fermentation process
Negative-pressure protection device is set in tank deck, air inlet is opened when air pressure subatmospheric certain value in tank, plays a protective role.But
The negative pressure value of existing tank deck device be it is fixed, as patent CN200910265346.3 disclose a kind of tank deck protecting device and
Its air pressure protecting system, vacuum protection valve core in negative-pressure protection device therein by itself suffered gravity close close
Envelope, this negative pressure value is fixed structure, can not be adjusted according to the situation of production, storage, such as passed through in actual applications
The material that high-temperature sterilization does not cool completely loads in holding vessel, and during cooling, air pressure has certain reduction, if super
Cross negative pressure value, negative-pressure protection device will air inlet introduce a small amount of microorganism, microbial reproduction, material are dirty after storage for a long period
Dye.
The content of the invention
The present invention is in view of the above-mentioned problems, provide a kind of tank deck device.
The technical solution used in the present invention is as follows：A kind of tank deck device, including：
Lid；
Negative pressure protection mechanism, it is arranged on the lid, the air inlet negative pressure protective effect when air pressure is less than certain value in tank；
The negative pressure protection mechanism, which includes negative pressure protection flap, the negative pressure protection valve rod being connected with negative pressure protection flap, negative pressure, to be protected
Bonnet is protected, the negative pressure protection bonnet is connected to above lid, and the negative pressure protection bonnet is provided with air inlet, and the negative pressure is protected
The relatively described negative pressure protection bonnet upper and lower displacement of shield flap can block air inlet or air inlet is connected with space in tank, described negative
Pressure protection valve rod upper end is hinged with lever, and support bar, the support bar and lever are fixedly connected with the negative pressure protection bonnet
The be hinged fulcrum for forming lever, the relatively described fulcrum of the lever the opposite side of negative pressure protection valve rod be provided with it is replaceable and/or
Moveable weight.
Negative pressure protection bonnet includes truncated cone-shaped inwall, and the less one end of diameter is air inlet, the one end being relatively large in diameter
It is connected with lid, the maximum gauge of the negative pressure protection flap is more than the diameter of the air inlet.
The side wall of the negative pressure protection flap is adapted to the truncated cone-shaped inwall, and the side wall of the negative pressure protection flap is provided with
O-ring groove, o-ring groove is interior to be provided with the sealing ring coordinated with truncated cone-shaped inner wall sealing.
The negative pressure protection bonnet includes inverse-U-shape rack, and the inverse-U-shape rack is provided with stop bit part, the negative pressure protection
Flap or negative pressure protection valve rod are successively fixed on inverse-U-shape rack through stop bit part, inverse-U-shape rack, the support bar.
The negative pressure protection bonnet passes through clamp connection with the lid.
Also include positive pressure protection mechanism, the positive pressure protection mechanism includes positive pressure protection flap, connected with positive pressure protection flap
Positive pressure protection valve rod, the positive pressure protection valve body connect, the positive pressure protection valve body is provided with row pressure import, row pressure exports, the row
Mouth is pressed into connect with lid inner chamber, the relatively described positive pressure protection valve body displacement of the positive pressure protection flap can block row pressure import or
Make row pressure import and row pressure outlet, the positive pressure protection valve body outer end is connected with positive pressure protection bonnet, the positive pressure protection
Spring is provided with bonnet, the spring housing is outside positive pressure protection valve rod and both ends are provided with spring base.
The positive pressure protection valve body is connected with lid by loose joint structure, the positive pressure protection valve body and positive pressure protection bonnet
It is connected through a screw thread.
Also including wiper mechanism, the wiper mechanism includes cleaning fluid inlet pipe, and the cleaning fluid inlet pipe stretches into lid inner chamber,
It is connected with rotating wash bowl.
The cleaning fluid inlet pipe is L-shaped structure, the cleaning fluid inlet pipe be located at the part of the lid inner chamber at top and
Side wall is provided with through hole.
The cleaning fluid inlet pipe is to be threadedly coupled with rotating wash bowl.
Beneficial effects of the present invention are as follows：When pressure difference above and below negative pressure protection flap can overcome the active force of lever,
Negative pressure protection flap moves down opening air inlet, increases pressure in device, can realize negative pressure by moving heavy object or replacing weight
The regulation of value, the weight of different size weight as traditional title, can be equipped with or scale is set in lever, realize negative pressure value
Effective regulation.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of negative pressure protection mechanism.
Fig. 3 is the structural representation of positive pressure protection mechanism.
Fig. 4 is the enlarged diagram of A in Fig. 1.
In figure, 1, lid；101, taper surface；2, negative pressure protection flap；3, negative pressure protection valve rod；4, negative pressure protection bonnet；
401, air inlet；402, truncated cone-shaped inwall；5, lever；501, fulcrum；6, support bar；7, weight；8, inverse-U-shape rack；9, stop bit
Part；10, positive pressure protection flap；11, positive pressure protection valve rod；12, positive pressure protection valve body；1201, row pressure import；1202, row pressure goes out
Mouthful；1203, outer inclined-plane；13, positive pressure protection bonnet；14, spring；15, spring base；16, cleaning fluid inlet pipe；1601, through hole；17,
Rotating wash bowl；18, locking nut；19, seal；1901, the first sealing；1902, the second sealing.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the present invention can be better described.
A kind of tank deck device, including：
Lid 1；
Negative pressure protection mechanism, it is arranged on the lid 1, the air inlet negative pressure protective effect when air pressure is less than certain value in tank；
The negative pressure protection mechanism includes negative pressure protection flap 2, the negative pressure protection valve rod 3 being connected with negative pressure protection flap 2, negative pressure and protected
Bonnet 4, the negative pressure protection bonnet 4 are connected to the top of lid 1, and the negative pressure protection bonnet 4 is provided with air inlet 401, described
The relatively described negative pressure protection upper and lower displacement of bonnet 4 of negative pressure protection flap 2 can block air inlet 401 or make in air inlet 401 and tank
Space connects, and negative pressure protection valve rod 3 upper end is hinged with lever 5, and support bar is fixedly connected with the negative pressure protection bonnet 4
6, the support bar 6 is protected with the be hinged fulcrum 501 for forming lever 5 of lever 5, the relatively described fulcrum 501 of the lever 5 in negative pressure
The opposite side of valve rod 3 is provided with replaceable and/or moveable weight 7；
Positive pressure protection mechanism, the positive pressure protection mechanism include positive pressure protection flap 10, are connected just with positive pressure protection flap 10
Pressure protection valve rod 11, positive pressure protection valve body 12, the positive pressure protection valve body 12 is provided with row pressure import 1201, row pressure exports
1202, the row pressure import 1201 connects with the inner chamber of lid 1, the relatively described positive pressure protection valve body 12 of the positive pressure protection flap 10
Displacement can block row pressure import 1201 or row pressure import 1201 is exported 1202 with row pressure and connect, outside the positive pressure protection valve body 12
End is connected with positive pressure protection bonnet 13, is provided with spring 14 in the positive pressure protection bonnet 13, the spring 14 is enclosed on positive pressure protection
Valve rod 11 is outer and both ends are provided with spring base 15；
Wiper mechanism, the wiper mechanism include cleaning fluid inlet pipe 16, and the cleaning fluid inlet pipe 16 stretches into the inner chamber of lid 1, connection
There is rotating wash bowl 17.
Wherein, positive pressure protection mechanism is when air pressure is more than atmospheric pressure certain value in tank, is opened, and discharges gas, prevents tank
Interior air pressure is excessive.
As illustrated, negative pressure protection mechanism is arranged on the top of lid 1, the negative pressure protection bonnet 4 is included in truncated cone-shaped
Wall 402, the less one end of diameter are air inlet 401, and the one end being relatively large in diameter is connected with lid 1, the negative pressure protection flap 2
Maximum gauge is more than the diameter of the air inlet 401.The side wall of the negative pressure protection flap 2 and the truncated cone-shaped inwall 402 are suitable
Match somebody with somebody, the side wall of the negative pressure protection flap 2 is provided with o-ring groove, is provided with o-ring groove and is sealed with truncated cone-shaped inwall 402
The sealing ring of cooperation.It so may insure sealing effectiveness.
The negative pressure protection bonnet 4 includes inverse-U-shape rack 8, and inverse-U-shape rack 8 is arranged on the top of air inlet 401, described
Inverse-U-shape rack 8 is provided with stop bit part 9, and the negative pressure protection flap 2 or negative pressure protection valve rod 3 priority are through stop bit part 9, inverted U-shaped
Support 8, spacing effect can be so played to flap, prevent flap from moving down transition, the support bar 6 is fixed on inverted U-shaped branch
On frame 8.Support bar can also be fixed in the side wall of negative pressure protection bonnet 4.
The negative pressure protection bonnet 4 passes through clamp connection with the lid 1.Realize that negative pressure protects the easy disassembly of bonnet 4, increase
Activity during big functional fault.
The positive pressure protection valve body 12 is arranged in the side wall of lid 1, and the positive pressure protection valve body 12 passes through work with lid 1
Binding structure is connected, and the positive pressure protection valve body 12 is connected through a screw thread with positive pressure protection bonnet 13.Easy disassembly, increase function event
Activity during barrier.Loose joint structure includes locking nut 18, and the locking nut 18 passes through the projection on positive pressure protection valve body 12
On positive pressure protection valve body 12, the lid 1 is socketed portion's movable set by taper surface 101 and positive pressure protection valve body 12, described
Locking nut 18, which is connected through a screw thread, to be socketed in outside lid 1, and the lid 1 is provided with seal groove, the seal groove
Positioned at the bottom of taper surface 101, seal 19 is provided between the lid 1 and positive pressure protection valve body 12, the seal 19
Section is T-shaped, the first sealing 1901 and be located at that the seal 19 includes in seal groove and is adapted to it
The top of first sealing 1901 and the second sealing 1902 extended to the center of circle, the sealing of the first sealing 1901 and second
1902 are formed in one, and the lower surface of the positive pressure protection valve body 12 contacts and the two it with the upper surface of the second sealing 1902
Between form chamber, first sealing 1901 forms plane with lid 1 with the lower surface of the second sealing 1902 and is connected, institute
At least partially outer inclined-plane 1203 in lower surface of positive pressure protection valve body 12 is stated, the upper surface of second sealing 1902 is first
Plane, angle is formed between the two.Such easy disassembly, and sealing effectiveness is more preferable.
The cleaning fluid inlet pipe 16 is L-shaped structure, and the part that the cleaning fluid inlet pipe 16 is located at the inner chamber of lid 1 is being pushed up
Portion and side wall are provided with through hole 1601.Cleaning fluid enter after, sprayed by rotating wash bowl into tank cleaning fluid cleaned it is same
When, the cleaning fluid of high pressure can spray cleaning fluid from the through hole 1601 on the top of cleaning fluid inlet pipe 16 and side wall to the inner chamber of lid 1,
The cleaning of lid inner chamber is completed, negative pressure protection flap 2 and positive pressure protection flap 10 are located at top and the sidepiece of lid 1 respectively, clearly
When the pressure of washing lotion is larger, the cleaning of negative pressure protection flap 2 can also be completed, or face positive pressure protection flap 10 opens up through hole
Positive pressure protection flap 10 can also be cleaned.
The cleaning fluid inlet pipe 16 is to be threadedly coupled with rotating wash bowl 17.Easy disassembly, increase activity during functional fault.
The rotary rotating wash bowl of rotating wash bowl, preferably cleaning in tank body can be completed with 360 °.
Compared to the existing tank deck device for being provided simultaneously with negative pressure protection mechanism, positive pressure protection mechanism, wiper mechanism, such as patent
Tank deck device disclosed in CN200910265346.3, CN 201420651584.4, simple in construction, the pipeline not bent,
The problem of material lagging, microbial growth are less likely to occur, the connected mode of use are all to be connected through a screw thread or clamp connection
Structure, easy disassembly, increase functional fault when activity.
A kind of embodiment of the present invention is the foregoing is only, is not used for limiting the scope of the invention；The present invention's
Protection domain is limited by the claim in claims, and every according to made equivalence changes and modification is invented, and is all existed
Within the protection domain of patent of the present invention.
Claims (10)
1. a kind of tank deck device, including：
Lid（1）；
Negative pressure protection mechanism, it is arranged on the lid（1）On, the air inlet negative pressure protection work when air pressure is less than certain value in tank
With；
It is characterized in that：The negative pressure protection mechanism includes negative pressure protection flap（2）And negative pressure protection flap（2）Connection is born
Pressure protection valve rod（3）, negative pressure protection bonnet（4）, the negative pressure protection bonnet（4）It is connected to lid（1）Top, the negative pressure are protected
Protect bonnet（4）It is provided with air inlet（401）, the negative pressure protection flap（2）Relatively described negative pressure protection bonnet（4）Upper and lower displacement
Air inlet can be blocked（401）Or make air inlet（401）Connected with space in tank, the negative pressure protects valve rod（3）Upper end is hinged with
Lever（5）, the negative pressure protection bonnet（4）On be fixedly connected with support bar（6）, the support bar（6）With lever（5）Be hinged shape
Into lever（5）Fulcrum（501）, the lever（5）Relatively described fulcrum（501）Valve rod is protected in negative pressure（3）Opposite side set
There is replaceable and/or moveable weight（7）.
2. tank deck device according to claim 1, it is characterised in that：The negative pressure protects bonnet（4）Including in truncated cone-shaped
Wall（402）, the less one end of diameter is air inlet（401）, one end for being relatively large in diameter and lid（1）It is connected, the negative pressure protection
Flap（2）Maximum gauge be more than the air inlet（401）Diameter.
3. tank deck device according to claim 2, it is characterised in that：The negative pressure protects flap（2）Side wall with it is described
Truncated cone-shaped inwall（402）Adaptation, the negative pressure protect flap（2）Side wall be provided with o-ring groove, be provided with o-ring groove
With truncated cone-shaped inwall（402）Seal the sealing ring coordinated.
4. tank deck device according to claim 2, it is characterised in that：The negative pressure protects bonnet（4）Including inverse-U-shape rack
（8）, the inverse-U-shape rack（8）It is provided with stop bit part（9）, the negative pressure protection flap（2）Or negative pressure protection valve rod（3）Successively
Through stop bit part（9）, inverse-U-shape rack（8）, the support bar（6）It is fixed on inverse-U-shape rack（8）On.
5. tank deck device according to claim 1, it is characterised in that：The negative pressure protects bonnet（4）With the lid（1）
Pass through clamp connection.
6. tank deck device according to claim 1, it is characterised in that：Also include positive pressure protection mechanism, the positive pressure protection
Mechanism includes positive pressure protection flap（10）And positive pressure protection flap（10）The positive pressure protection valve rod of connection（11）, positive pressure protection valve
Body（12）, the positive pressure protection valve body（12）It is provided with row pressure import（1201）, row pressure outlet（1202）, the row pressure import
（1201）With lid（1）Inner chamber connects, the positive pressure protection flap（10）Relatively described positive pressure protection valve body（12）Displacement can block up
Firmly row pressure import（1201）Or make row pressure import（1201）Exported with row pressure（1202）Connection, the positive pressure protection valve body（12）Outside
End is connected with positive pressure protection bonnet（13）, the positive pressure protection bonnet（13）It is interior to be provided with spring（14）, the spring（14）It is enclosed on
Positive pressure protection valve rod（11）Outer and both ends are equipped with spring base（15）.
7. tank deck device according to claim 6, it is characterised in that：The positive pressure protection valve body（12）With lid（1）It is logical
Cross loose joint structure connection, the positive pressure protection valve body（12）With positive pressure protection bonnet（13）It is connected through a screw thread.
8. the tank deck device according to claim 1 or 6, it is characterised in that：Also include wiper mechanism, the wiper mechanism bag
Include cleaning fluid inlet pipe（16）, the cleaning fluid inlet pipe（16）Stretch into lid（1）Inner chamber, it is connected with rotating wash bowl（17）.
9. tank deck device according to claim 8, it is characterised in that：The cleaning fluid inlet pipe（16）It is described for L-shaped structure
Cleaning fluid inlet pipe（16）Positioned at the lid（1）The part of inner chamber is provided with through hole on top and side wall（1601）.
10. tank deck device according to claim 8, it is characterised in that：The cleaning fluid inlet pipe（16）With rotating wash bowl（17）
For threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710739350.3A CN107352183A (en) | 2017-08-25 | 2017-08-25 | A kind of tank deck device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710739350.3A CN107352183A (en) | 2017-08-25 | 2017-08-25 | A kind of tank deck device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107352183A true CN107352183A (en) | 2017-11-17 |
Family
ID=60289449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710739350.3A Pending CN107352183A (en) | 2017-08-25 | 2017-08-25 | A kind of tank deck device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107352183A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9900289D0 (en) * | 1999-01-06 | 1999-02-24 | Denby James E | Pressure release valve |
| CN2541386Y (en) * | 2001-10-29 | 2003-03-26 | 济南科达尔实业有限公司 | Pressure balance controller with automatic water filling device |
| CN101274699A (en) * | 2007-11-30 | 2008-10-01 | 西安长庆科技工程有限责任公司 | Associated gas recovery device for petroleum storage tank |
| CN101289135A (en) * | 2008-06-04 | 2008-10-22 | 陈岳荣 | Respiration valve |
| CN101734448A (en) * | 2009-12-29 | 2010-06-16 | 浙江远安流体设备有限公司 | Tank deck protecting device and air pressure protecting system thereof |
| CN203392269U (en) * | 2013-08-16 | 2014-01-15 | 肇庆东洋洛克流体设备科技发展有限公司 | Vacuum protective valve applied to tank-top protective device |
| CN204025801U (en) * | 2014-08-22 | 2014-12-17 | 罗浮阀门集团有限公司 | Inhalation valve with heat insulation function |
| CN205855043U (en) * | 2016-08-02 | 2017-01-04 | 徐州德胜石油机械有限公司 | A kind of pressure vacuum gage cap |
| CN207121093U (en) * | 2017-08-25 | 2018-03-20 | 温州天悦流体设备科技有限公司 | A kind of tank deck device |
-
2017
- 2017-08-25 CN CN201710739350.3A patent/CN107352183A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9900289D0 (en) * | 1999-01-06 | 1999-02-24 | Denby James E | Pressure release valve |
| CN2541386Y (en) * | 2001-10-29 | 2003-03-26 | 济南科达尔实业有限公司 | Pressure balance controller with automatic water filling device |
| CN101274699A (en) * | 2007-11-30 | 2008-10-01 | 西安长庆科技工程有限责任公司 | Associated gas recovery device for petroleum storage tank |
| CN101289135A (en) * | 2008-06-04 | 2008-10-22 | 陈岳荣 | Respiration valve |
| CN101734448A (en) * | 2009-12-29 | 2010-06-16 | 浙江远安流体设备有限公司 | Tank deck protecting device and air pressure protecting system thereof |
| CN203392269U (en) * | 2013-08-16 | 2014-01-15 | 肇庆东洋洛克流体设备科技发展有限公司 | Vacuum protective valve applied to tank-top protective device |
| CN204025801U (en) * | 2014-08-22 | 2014-12-17 | 罗浮阀门集团有限公司 | Inhalation valve with heat insulation function |
| CN205855043U (en) * | 2016-08-02 | 2017-01-04 | 徐州德胜石油机械有限公司 | A kind of pressure vacuum gage cap |
| CN207121093U (en) * | 2017-08-25 | 2018-03-20 | 温州天悦流体设备科技有限公司 | A kind of tank deck device |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 325000 No. 729 Binhai Third Road, Wenzhou Economic and Technological Development Zone, Zhejiang Province Applicant after: Wenzhou Tianyue fluid equipment Co.,Ltd. Address before: 325000 No. c501-7, road 8, road 3, Binhai Park, economic and Technological Development Zone, Longwan District, Wenzhou City, Zhejiang Province Applicant before: WENZHOU TIANYUE FLUID EQUIPMENT TECHNOLOGY CO.,LTD. |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171117 |