CN206254304U - A kind of concrete curing box - Google Patents
A kind of concrete curing box Download PDFInfo
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- CN206254304U CN206254304U CN201621303852.9U CN201621303852U CN206254304U CN 206254304 U CN206254304 U CN 206254304U CN 201621303852 U CN201621303852 U CN 201621303852U CN 206254304 U CN206254304 U CN 206254304U
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- water
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- inlet
- baffle plate
- delivery port
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Abstract
The utility model discloses a kind of concrete curing box, case lid including casing and casing conflict connection, the heating tube being arranged in casing and the support frame for placing concrete, the casing lower section is provided with delivery port and the outlet conduit being connected with delivery port, the end of outlet conduit is connected with wastewater neutralizer, the inlet channel that casing is introduced for the water circulating pump of the draw waste water from wastewater neutralizer and by waste water is provided between casing and wastewater neutralizer, water circulating pump and inlet channel are connected with each other；By setting wastewater neutralizer, the water of discharge can be carried out acid-base neutralization, and casing re-entered by water circulating pump and inlet channel, utilization is circulated to water.
Description
Technical field
The utility model is related to Architectural Equipment field, more specifically, it relates to a kind of concrete curing box.
Background technology
Cement concrete refers to mix the general designation for forming overall engineered composite material with water by cement, sand, stone etc., and its is wide
It is general to be applied to field of civil engineering.Why hardening can be gradually condensed after casting and compacting of concrete, be primarily due to cement aquation
Result, and hydration then needs appropriate temperature and humidity condition, therefore, in order to ensure that concrete has suitable hardening bar
Part, makes its intensity constantly increase, it is necessary to be conserved to concrete.At the construction field (site) with cement testing room in, cement concrete
Curing box is a kind of very common testing equipment, is required for carrying out it health of different durations after shaping test piece.
A kind of cement concrete constant temperature and humidity of automatic watering disclosed in the Chinese patent of Publication No. CN205310491U
Curing box, including maintenance casing and the water tank in curing box body, the side of the water tank is provided through the body of water tank wall；
A ball-cock assembly is provided with water tank, ball-cock assembly is arranged on one end of body；The other end of body connects a water inlet pipe, water inlet pipe it is another
One end is connected with running water pipe；Valve one is provided with water inlet pipe.
The water tank of automatic water-supply is realized in such scheme, water tank dry combustion method is effectively prevent, test piece maintenance is influenceed and is made
Into instrument destruction；But because concrete is in alkalescence so that when vapor is contacted with concrete, the water that regelation is produced is with certain
Alkaline sedimentation in casing lower section, because of curing box automatic watering, also constantly accumulate, the enhancing of water neutral and alkali by the water of alkalescence, and alkaline water
With certain corrosive effects equipment and test specimen, it is therefore desirable to propose a kind of new scheme to solve this problem.
Utility model content
In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of concrete curing box, is passed through
Delivery port, filtration members, wastewater neutralizer and water circulating pump is set the water in curing box to be drained into the external world and is filtered and is neutralized
Re-entered to curing box interior circulation after the alkalescence of waste water and utilized.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of concrete curing
Case, including casing and casing contradict the case lid for connecting, the heating tube being arranged in casing and the support for placing concrete
Frame, casing lower section is provided with delivery port and the outlet conduit being connected with delivery port, and the end of outlet conduit is connected with useless
Water neutralization pond, be provided between casing and wastewater neutralizer for the draw waste water from wastewater neutralizer water circulating pump and will be useless
Water introduces the inlet channel of casing, and water circulating pump and inlet channel are connected with each other.
By using above-mentioned technical proposal, waste water enters wastewater neutralizer, waste water from after delivery port discharge through outlet conduit
Neutralization pond can by Waste Water Centralized and carry out acid-base neutralization make waste water in neutrality, be then pumped to by water circulating pump and inlet channel foster
In protecting box, the recycling of waste water is realized.
The utility model is further arranged to：It is provided with outlet conduit for by the filtration members of contaminant filter.
Because there is certain impurity in waste water, and impurity into wastewater neutralizer precipitate when more difficult cleaning, by using above-mentioned
Technical scheme, can be by the contaminant filter in waste water.
The utility model is further arranged to：The filtration members include filter chamber and are arranged in filter chamber and filter chamber
The screen pack being detachably connected, filter chamber is fixedly installed in outlet conduit.
By using above-mentioned technical proposal, it is set to be detachably connected, the impurity periodic cleaning in filtration members can be prevented
Impurity blocks pipeline.
The utility model is further arranged to：The delivery port is provided with the water outlet baffle plate that control delivery port is opened and closed, water outlet
Baffle plate is slidably connected with delivery port, and the effluent trough for opening and closing delivery port, water outlet baffle plate and casing are offered on water outlet baffle plate
Between be provided with the spring that two ends contradict with casing and water outlet baffle plate respectively.
By using above-mentioned technical proposal, can control delivery port and open and close.By pushing water outlet baffle plate, make effluent trough and water outlet
Mouthful contact, just can draining, now spring be stressed, produce certain bounce；Instantly when the power for extruding water baffle plate disappears, spring
Bounce makes to move homing on water outlet baffle plate, and delivery port is closed.
The utility model is further arranged to：The water outlet baffle plate top is provided with the sliding block for depressing water outlet baffle plate, case
Lid is made with sliding block by ferrimagnet, and sliding block is connected with box body-sliding.
It is the efficiency of heating surface for ensureing heating tube by using above-mentioned technical proposal, it is general all after maintenance is completed to change water,
Now need opening box covers to take out concrete, therefore delivery port can be controlled to open the process of unpacking lid as " switch "
Close.During original state, effluent trough is located above delivery port and is contacted not with delivery port, therefore delivery port is closed.After opening case lid,
Case lid is separated with sliding block, when gravity suffered by sliding block more than case lid suction when will move down, push water outlet baffle plate, make effluent trough with
Delivery port is overlapped, and just can open delivery port, carries out changing water, and water is collected to wastewater neutralizer along outlet conduit.
The utility model is further arranged to：The casing top is provided with the card-bit part of limitation sliding block skidding distance.
By using above-mentioned technical proposal, when can avoid opening case lid, sliding block followed by case lid suction and moved on case lid, makes case
Lid and sliding block can be separated preferably.
The utility model is further arranged to：The inlet water tank at the uniform velocity intake is provided between the sliding block and water outlet baffle plate, is entered
The upper and lower ends of water tank contradict with sliding block and water outlet baffle plate be connected respectively, and inlet water tank is connected with box body-sliding.
If all changing water after maintenance every time, the waste of time cost is easily caused.By using above-mentioned technical proposal, can be real
The effect of existing fixed cycle draining.At the uniform velocity intake in inlet water tank, inlet water tank is linearly increased the pressure of water outlet baffle plate, and spring
Stroke is linear with pressure, and water outlet baffle plate also at the uniform velocity slide downward, effluent trough moves closer to delivery port and and delivery port
Contact.Inlet water tank can be set in full load, if case lid is not switched on（Sliding block does not push inlet water tank）, pressure of the inlet water tank to water outlet baffle plate
Power can not be such that effluent trough is contacted with delivery port（Delivery port can not be opened）；And work as inlet water tank not full load, sliding block is total to inlet water tank
Same pressure can not be such that effluent trough is contacted with delivery port（Delivery port can not be opened）；In other words, opening delivery port needs to meet
Sliding block is separated with casing and pushes inlet water tank and fully loaded two conditions of inlet water tank.When inlet water tank water is full, the water in inlet water tank
Pressure to water outlet baffle plate makes effluent trough with water outlet in critical condition is contacted, and now, opens case lid, and sliding block falls, suddenly
The pressure of increase makes effluent trough be completely attached to delivery port, and delivery port is opened.Case lid is closed in draining after terminating, sliding block is inhaled by case lid
Moved on gravitation, now the bounce of spring also causes to be moved on inlet water tank, effluent trough is in again with delivery port and contacts critical shape
State, delivery port is closed.Now, pressure of the inlet water tank to water outlet baffle plate can be adjusted according to the regulation to inlet water tank water intake velocity, it is real
Now after certain maintenance number of times and by opening case lid, to curing box could change the effect of water.
The utility model is further arranged to：The casing is provided with water inlet one, and inlet water tank is provided with water inlet two, enters
The mouth of a river one and water inlet two are interconnected and relative slip, and inlet channel is passed through in inlet water tank.
Water in casing is converted into vapor by heating tube causes water level decreasing in casing, when water level decreasing to a certain extent
When, it is easily caused the maintenance effect of heating tube dry combustion method influence heating tube service life and curing box.By using above-mentioned technical side
Case, when the water level of water inlet one is less than the water level of water inlet two, because of pressure difference, inlet water tank can be to casing automatic watering.And setting
Inlet water tank full load, water inlet one is still contacted with water inlet two（The water of inlet water tank can flow to water inlet one from water inlet two）, but
If now sliding block pushes inlet water tank, water inlet one is separated with water inlet two, and the water in inlet water tank can not enter in casing.By adopting
With above-mentioned technical proposal, when inlet water tank water is full, case lid is opened, sliding block falls, and delivery port is opened completely, carry out draining, water warp
Outlet conduit to wastewater neutralizer, now water inlet one is separated with water inlet two.Case lid is closed in draining after terminating, sliding block receives case lid
Moved in attraction, now the bounce of spring is also caused to be moved on inlet water tank, and delivery port is closed, and water inlet one is double with water inlet
New contact, water inlet is opened, and the water after being neutralized in wastewater neutralizer is pumped to inlet water tank by water circulating pump, and the water in inlet water tank enters
The water in casing is supplemented in cartonning body.Changing automatic in casing after water terminates again while being capable of achieving to change water completely
Water is supplemented, and improves the efficiency of heating surface of heating tube.
The utility model is further arranged to：The water supply tank for storing water is provided between inlet water tank and inlet channel, is mended
Water tank is fixedly installed on casing, and inlet water tank and water supply tank are connected by the flexible pipe being arranged between inlet water tank and water supply tank,
Inlet channel is passed through in water supply tank.
Because inlet water tank slides up and down, cause its small volume, it is impossible to supply water required in curing box completely, by using
Above-mentioned technical proposal, can be supplemented the water in curing box with the water in water supply tank and inlet water tank.
The utility model is further arranged to：The delivery port is obliquely installed.
It is kinetic energy by the potential energy of water by using above-mentioned technical proposal, is easy to casing draining.
In sum, the utility model is by setting filtration members and wastewater neutralizer, by waste water filtering and neutralizes its soda acid
Property；Make to be reused in Sewage treatment to curing box by setting water circulating pump, water supply tank and inlet water tank；By set into
Water tank, sliding block and water outlet baffle plate, realization are refreshed the water periodically to curing box.
Brief description of the drawings
Fig. 1 is the structural representation of concrete curing box；
Fig. 2 is the structural representation after concrete curing box removes case lid；
Fig. 3 is the side view of concrete curing box；
Fig. 4 is sectional view at A-A in Fig. 3；
Fig. 5 is B portions enlarged drawing in Fig. 4；
Fig. 6 is inlet water tank structural representation；
Fig. 7 is inlet water tank full load, the front view of concrete curing box；
Fig. 8 is the front view of concrete curing box when changing water.
In figure：1st, casing；11st, delivery port；12nd, water inlet one；14th, suction block two；2nd, case lid；3rd, heating tube；4th, support frame；
5th, water supply tank；6th, water outlet baffle plate；61st, effluent trough；7th, spring；8th, inlet water tank；81st, inlet damper；82nd, water inlet two；9th, sliding block；
91st, bulge loop；10th, limited part；101st, suction block one；22nd, filtration members；221st, filter chamber；222nd, screen pack；24th, card-bit part；25th, it is soft
Pipe；26th, outlet conduit；27th, wastewater neutralizer；28th, water circulating pump；29th, inlet channel.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
A kind of concrete curing box, as shown in figs. 1 and 3, including for the casing 1 of curing concrete, the top of casing 1 is provided with
For by the case lid 2 of the closure of openings of casing 1, case lid 2 to be contradicted with casing 1 and is connected.Heating tube 3 is installed in casing 1 and is used
In the support frame 4 for placing concrete, support frame 4 is located at the top of heating tube 3.The lower section of casing 1 is provided with delivery port 11, and delivery port 11 inclines
Set obliquely, outlet conduit 26 is connected with delivery port 11, be the impurity of carrying in filtered wastewater, it is to avoid it enters in waste water
With pond 27, filtration members 22 can be set on outlet conduit 26.Waste water is passed to wastewater neutralizer 27 by outlet conduit 26, and waste water is neutralized
Pond 27 is collected and by waste water acid-base neutralization to waste water.Water circulating pump 28 and inlet channel 29 will be useless in wastewater neutralizer 27
Water is pumped in water supply tank 5, and inlet water tank 8 is entered through flexible pipe 25, is then reentered in casing 1 and is circulated utilization.
As shown in Fig. 1 to 2, filtration members 22 include filter chamber 221 and are arranged in filter chamber 221 can with filter chamber 221
The screen pack 222 of connection is dismantled, filter chamber 221 is fixedly installed in outlet conduit 26, and the inwall of filter chamber 221 is provided with chute,
Screen pack 222 is provided with corresponding slide rail, and screen pack 222 is along slide.The annexation of screen pack 222 and filter chamber 221
May be configured as clamping or snapping.
As shown in Figures 1 to 3, water outlet baffle plate 6 is provided with delivery port 11, water outlet baffle plate 6 is slided along casing 1, on water outlet baffle plate 6
Effluent trough 61 is provided with, the diameter of effluent trough 61 is equal or slightly larger than delivery port 11.By moving up and down water outlet baffle plate 6, can change
Effluent trough 61 and the relative position of delivery port 11, reach the effect that control delivery port 11 is opened and closed, such as when effluent trough 61 and water outlet
Delivery port 11 just can water outlet when mouth 11 is contacted.The lower end of water outlet baffle plate 6 is provided with two ends and is contradicted with water outlet baffle plate 6 and casing 1 respectively and connects
The spring 7 for connecing, in free state, effluent trough 61 is located at the top of water outlet baffle plate 6 to spring 7.Instantly water baffle plate 6 is extruded to open out
During the mouth of a river 11, spring 7 is pressurized, and after distress resolves, spring 7 rebounds so that move homing on water outlet baffle plate 6, by delivery port 11
Closing.
As shown in Fig. 3 to 5, the top of water outlet baffle plate 6 is provided with the inlet water tank 8 for being contradicted with water outlet baffle plate 6 and be connected, inlet water tank 8 and
Casing 1 is slidably connected, casing 1 with water inlet 1 that inlet water tank 8 is connected with casing 1 and water inlet are respectively equipped with inlet water tank 8
Mouth 2 82.Because inlet water tank 8 is at the uniform velocity intake, therefore also at the uniform velocity move down, to avoid during inlet water tank 8 is moved up and down current from water inlet
Flowed out in mouth 1, inlet water tank 8 is provided with inlet damper 81, the shape of inlet damper 81 and the phase of water inlet 1 with the contact side of casing 1
Agree with and slightly larger than water inlet 1.To increase the volume of inlet water tank 8, water supply tank 5, water supply tank 5 can be fixedly mounted on casing 1
It is connected by flexible pipe 25 with inlet water tank 8.When water supply tank 5 and inlet water tank 8 are not intake and sliding block 9 is not pushed, the bottom of water supply tank 5
The floor height of face height and inlet water tank 8 is flushed.
As shown in Figures 2 and 3, the top of inlet water tank 8 is provided with sliding block 9, and sliding block 9 is slided and positioned at the top of inlet water tank 8 along casing 1.
Sliding block 9 and case lid 2 are made up of ferrimagnet, and sliding block 9 is adsorbed on case lid 2.Further to limit the displacement of sliding block 9,
Avoid sliding block 9 from following case lid 2 to skid off casing 1 in opening box covers 2, bulge loop 91 can be set on sliding block 9, casing 1 is provided with card
Position part 24.When case lid 2 is opened, card-bit part 24 props up bulge loop 91, makes the not upper shifting of sliding block 9, and after opening to a certain extent, it is sliding
Suction suffered by block 9 is less than gravity, then can move down and be pressed on inlet water tank 8.
As shown in Figures 4 and 5, water inlet 1 is provided with the limited part 10 for realizing the unidirectional water inflow of casing 1, the one of limited part 10
End is hinged with casing 1, and the other end is contradicted with casing 1 and is connected.Suction block can be respectively provided with the other end of limited part 10 and casing 1
One 101 and suction block 2 14, suction block 1 and suction block 2 14 are magnetic material, attract each other, and reach increase and open limited part 10
The effect of required pressure difference.
The course of work is as follows：First, plus appropriate water, the water level in casing 1 need to higher than heating tube 3 and less than support frame 4,
Concrete is positioned on support frame 4, case lid 2 is covered, plugging in heats heating tube 3, produced in the heating process of heating tube 3
Vapor, reaches concrete temperature and humidity in case concrete is conserved to a certain degree.Under normal circumstances, week is conserved
Phase is one day, just can now be taken out concrete, is put into new concrete.After once conserving, because of concrete and vapor
Contact condenses the water for producing simultaneously seldom, therefore simultaneously need not all change water after maintenance every time terminates.
Such as setting is changed water completely after completing 3 cement conservations（Water was changed every 3 days once）, adjust water circulating pump
28 speed supplied water to water supply tank 5, move down the stabilization at the 1st to the 3rd day of water outlet baffle plate 6, and delivery port 11 is not opened.And the
At the end of 1 to 2 maintenance, even if opening case lid 2, sliding block 9 pushes the distance for promoting water outlet baffle plate 6 to glide can not make effluent trough
61 press to delivery port 11, and delivery port 11 cannot be opened.
As shown in fig. 7, when the 3rd day, setting inlet water tank 8 is fully loaded with, and now inlet damper 81 does not block water inlet 1, enters
The mouth of a river 1 is still contacted with water inlet 2 82, water level in casing 1 is maintained certain altitude, and the pressure of inlet water tank 8 is caused
Water outlet baffle plate 6 is in critical localisation, and effluent trough 61 will be contacted with delivery port 11.
As shown in figure 8, after the 3rd maintenance is completed, opening case lid 2, sliding block 9 is separated by the stop of card-bit part 24 with case lid 2,
It is snapped down on inlet water tank 8, increases pressure of the inlet water tank 8 to water outlet baffle plate 6, inlet water tank 8 and water outlet baffle plate 6 is moved down, water outlet
Groove 61 is contacted with delivery port 11, and delivery port 11 is opened, and waste water drains into wastewater neutralizer 27 and carries out neutralization reaction through filtration members 22.Together
When move down because of inlet water tank 8, inlet damper 81 blocks water inlet 1, even if therefore water height reduction in casing 1, water will not also enter
Enter casing 1 so that the water energy in casing 1 is enough completely exhausted out.
After the water in casing 1 is drained, new concrete test block can be put on support frame 4, cover case lid 2, sliding block 9 is received
Sliding on the suction of case lid 2, the generation of spring 7 bounce makes to be moved on inlet water tank 8, and water inlet 1 is opened, and the now hydraulic pressure of inlet water tank 8
More than the hydraulic pressure in casing 1, automatic feeding water in casing 1, the water of water supply tank 5 and inlet water tank 8 enters in casing 1, now, recirculated water
Pump 28 at the uniform velocity for water supply tank 5 supplies water will restPose, into new circulation.
In maintenance processes, the water in casing 1 is constantly reduced because of evaporation, when its water level is less than water inlet 1, because entering
The hydraulic pressure of water tank 8 is larger, limited part 10 is contradicted connection end with casing 1 and is rotated along hinged end, and water inlet 1 is opened, and is mended
Water.
The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.Should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (10)
1. a kind of concrete curing box, including casing（1）With casing（1）Contradict the case lid of connection（2）, be arranged at casing（1）It is interior
Heating tube（3）And for placing the support frame of concrete（4）, it is characterised in that：The casing（1）Lower section is provided with delivery port
（11）And and delivery port（11）The outlet conduit being connected（26）, outlet conduit（26）End be connected with wastewater neutralizer
（27）, casing（1）With wastewater neutralizer（27）Between be provided with for from wastewater neutralizer（27）The water circulating pump of middle draw waste water
（28）And waste water is introduced into casing（1）Inlet channel（29）, water circulating pump（28）And inlet channel（29）It is connected with each other.
2. concrete curing box according to claim 1, it is characterised in that：Outlet conduit（26）In be provided with for will be miscellaneous
The filtration members of matter filtering（22）.
3. concrete curing box according to claim 2, it is characterised in that：The filtration members（22）Including filter chamber
（221）And it is arranged at filter chamber（221）Interior and filter chamber（221）The screen pack being detachably connected（222）, filter chamber（221）
It is fixedly installed in outlet conduit（26）In.
4. concrete curing box according to claim 1, it is characterised in that：The delivery port（11）It is provided with control water outlet
Mouthful（11）The water outlet baffle plate of keying（6）, water outlet baffle plate（6）With delivery port（11）It is slidably connected, and water outlet baffle plate（6）On offer
For opening and closing delivery port（11）Effluent trough（61）, water outlet baffle plate（6）With casing（1）Between be provided with two ends respectively with casing（1）
With water outlet baffle plate（6）The spring of conflict（7）.
5. concrete curing box according to claim 4, it is characterised in that：The water outlet baffle plate（6）Top be provided with for
Push water outlet baffle plate（6）Sliding block（9）, case lid（2）With sliding block（9）It is made by ferrimagnet, and sliding block（9）With casing
（1）It is slidably connected.
6. concrete curing box according to claim 5, it is characterised in that：The casing（1）Top is provided with limitation sliding block
（9）The card-bit part of skidding distance（24）.
7. concrete curing box according to claim 5, it is characterised in that：The sliding block（9）With water outlet baffle plate（6）Between
It is provided with the inlet water tank at the uniform velocity intake（8）, inlet water tank（8）Upper and lower ends respectively with sliding block（9）With water outlet baffle plate（6）The company of conflict
Connect, and inlet water tank（8）With casing（1）It is slidably connected.
8. concrete curing box according to claim 7, it is characterised in that：The casing（1）It is provided with water inlet one
（12）, inlet water tank（8）It is provided with water inlet two（82）, water inlet（12）With water inlet two（82）It is interconnected and slides relatively
It is dynamic, inlet channel（29）It is passed through inlet water tank（8）In.
9. concrete curing box according to claim 8, it is characterised in that：Inlet water tank（8）With inlet channel（29）Between
It is provided with the water supply tank for storing water（5）, water supply tank（5）It is fixedly installed in casing（1）On, and inlet water tank（8）With water supply tank（5）
By being arranged at inlet water tank（8）And water supply tank（5）Between flexible pipe（25）Connection, inlet channel（29）It is passed through water supply tank（5）In.
10. concrete curing box according to claim 1, it is characterised in that：The delivery port（11）It is obliquely installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621303852.9U CN206254304U (en) | 2016-11-28 | 2016-11-28 | A kind of concrete curing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621303852.9U CN206254304U (en) | 2016-11-28 | 2016-11-28 | A kind of concrete curing box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206254304U true CN206254304U (en) | 2017-06-16 |
Family
ID=59026506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621303852.9U Expired - Fee Related CN206254304U (en) | 2016-11-28 | 2016-11-28 | A kind of concrete curing box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206254304U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108481700A (en) * | 2018-03-20 | 2018-09-04 | 广东国兴乳胶丝有限公司 | Mostly energy-saving heating apparatus and method with rubber latex thread producing line water-bath medium and acetic acid |
-
2016
- 2016-11-28 CN CN201621303852.9U patent/CN206254304U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108481700A (en) * | 2018-03-20 | 2018-09-04 | 广东国兴乳胶丝有限公司 | Mostly energy-saving heating apparatus and method with rubber latex thread producing line water-bath medium and acetic acid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170616 Termination date: 20171128 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |