CN108057463A - Laboratory hazardous chemical managing device - Google Patents
Laboratory hazardous chemical managing device Download PDFInfo
- Publication number
- CN108057463A CN108057463A CN201711374362.7A CN201711374362A CN108057463A CN 108057463 A CN108057463 A CN 108057463A CN 201711374362 A CN201711374362 A CN 201711374362A CN 108057463 A CN108057463 A CN 108057463A
- Authority
- CN
- China
- Prior art keywords
- box
- hole
- internal box
- fixedly connected
- box body
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L1/00—Enclosures; Chambers
- B01L1/50—Enclosures; Chambers for storing hazardous materials in the laboratory, e.g. cupboards, waste containers
Abstract
Laboratory hazardous chemical managing device, including cabinet, several equally distributed outer cases are fixedly mounted in cabinet, outer case front end face opens up rectangular opening, internal box is equipped in outer case, internal box front opening, internal box front end periphery inside rectangular opening with being fixedly connected, it is fixedly connected between both left and right end faces of internal box and corresponding outer case inner wall by telescopic rod, the one side of telescopic rod is equipped with box body, box body is fixedly mounted on the inner wall of outer case, box body opens up first through hole among the end face of internal box, supporting rod is fixedly mounted between telescopic rod and corresponding box body.The present invention provides a kind of managing devices of new hazardous chemical, the present invention is suitble to place inflammable hazardous chemical, when the dangerous situation that hazardous chemical burns in the present invention, the present invention can not depend on electric energy completely and quick and automatic fire extinguishing can be completed, more reliable compared with traditional equipment for relying on sensor progress fire monitoring.
Description
Technical field
The invention belongs to chemical balance motion engineering device technique field, specifically a kind of laboratory hazardous chemical management dress
It puts.
Background technology
There are the chemicals such as substantial amounts of strong acid and strong base, perishable, toxic in laboratory, these hazardous chemicals have inflammable easy
The features such as quick-fried, strong corrosivity also have larger security risk, current cabinet even if tranquil being placed in cabinet
Grade chemical balance motions device is excessively common, and function is excessively single, and majority does not possess a kind of chemicals of automatic fire-extinguishing function and fires
After burning, the fire in entire laboratory is be easy to cause, be easy to cause larger loss and the injures and deaths of personnel, some are with automatic alarm
The managing device of function is easily damaged circuit using the equipment such as sensor, dependence electric energy work, burning, therefore these equipment
Reliability is not high, it is difficult to accomplish effective prevention of fire, therefore design one kind and do not depend on electric energy, be capable of the danger of quick and automatic fire extinguishing
Dangerous chemical balance motion device is necessary.
The content of the invention
The present invention provides a kind of laboratory hazardous chemical managing device, the defects of to solve in the prior art.
The present invention is achieved by the following technical programs：
Including cabinet, several equally distributed outer cases, outer container is fixedly mounted in laboratory hazardous chemical managing device in cabinet
Body front end face opens up rectangular opening, is equipped with internal box in outer case, internal box front opening, internal box front end periphery in rectangular opening
Portion is fixedly connected, and is fixedly connected, stretched by telescopic rod between both left and right end faces of internal box and corresponding outer case inner wall
The one side of contracting bar is equipped with box body, and box body is fixedly mounted on the inner wall of outer case, and box body is equal among the end face of internal box
First through hole is opened up, supporting rod is fixedly mounted between telescopic rod and corresponding box body, supporting rod and corresponding telescopic rod are mutual
Parallel, the other end of supporting rod is equipped with lever, and one end of lever is articulated and connected with the side of the motion bar of corresponding telescopic rod, thick stick
The side of bar is articulated and connected with the other end of corresponding supporting rod, and piston boit, the outer end of first through hole are equipped in first through hole
Transverse tube, transverse tube outer cover tubing is fixedly mounted, internal surface of sleeve pipe is engaged with corresponding transverse tube outer wall, and casing can be along transverse tube
Length direction slidably reciprocate, transverse tube top opens up strip hole, and montant, the upper end of montant and corresponding casing are equipped in strip hole
Inner wall is fixedly connected, and cross bar is equipped in transverse tube, one end of cross bar is fixedly connected with the outer end of corresponding piston boit, under montant
End is fixedly connected with the top of corresponding cross bar, and the other end of lever is articulated and connected with the top of corresponding casing by connecting rod,
Compressed gas is filled in box body, extinguishing chemical box, the other end of transverse tube and corresponding fire extinguishing is fixedly mounted in bottom in outer case
Agent box is fixedly connected between side by conduit, and conduit lower end inside extinguishing chemical box with communicating, the upper end of conduit and corresponding horizontal stroke
It is communicated inside pipe, the second through hole, the second through hole lower end and corresponding one side bottom of extinguishing chemical box is opened up among internal box bottom face
Between be fixedly connected by connecting tube, connecting tube with communicated inside corresponding extinguishing chemical box, check valve is installed in connecting tube, second
Nozzle is fixedly mounted in the upper end of through hole, and extinguishing chemical is filled in extinguishing chemical box, transverse direction is fixedly mounted at bottom in internal box
Mesh plate, internal box front port are hinged installation door, and door can seal corresponding internal box front port, and handle is fixedly mounted in outer side of door
Hand.
Laboratory as described above hazardous chemical managing device, the end that the box body is fixedly connected with outer case inner wall
Third through-hole is opened up on face, outer container outside corresponds to and fourth hole is opened up at third through-hole, fourth hole with it is corresponding
Third through-hole communicates, and air inlet pipe is fixedly mounted in the outer end of fourth hole, and Non-return air valve is respectively mounted in air inlet pipe.
Laboratory as described above hazardous chemical managing device, the internal box have thin stainless steel plate to be made.
Laboratory as described above hazardous chemical managing device, the internal box inner surface scribble corrosion resistant coating.
Laboratory hazardous chemical managing device as described above is equipped with elastic telescoping bar, elastic force in the box body
The end of the fixed link of telescopic rod is fixedly connected with inboard wall of cartridge, the end of the motion bar of elastic telescoping bar and corresponding piston boit
Inner end be fixedly connected, the diameter of the motion bar of elastic telescoping bar is less than the diameter of piston boit.
It is an advantage of the invention that：The present invention provides a kind of managing device of new hazardous chemical, the present invention is suitble to
Inflammable hazardous chemical is placed, when the dangerous situation that hazardous chemical burns in the present invention, the present invention can be complete
It does not depend on electric energy and quick and automatic fire extinguishing can be completed, the equipment of fire monitoring is carried out more compared with traditional sensor that relies on
Reliably.Hazardous chemical is placed into inside internal box, is then closed door, is in closed environment inside internal box at this time
In, when the chemicals burning inside internal box is burnt, the atmospheric pressure inside internal box is present with variation, in air pressure difference
Under the action of the side plate of internal box be present with slight deformation, when internal box deforms, the motion bar of telescopic rod can stretch out or
It shrinks, no matter telescopic rod is stretched out or shunk, and the motion bar of telescopic rod can all drive one end of lever to move, in leverage
Under, the other end of lever can drive corresponding piston boit and corresponding first through hole point by connecting rod, casing, montant, cross bar
From releasing the sealing function to first through hole, the in vivo compressed gas of box enters by corresponding first through hole, transverse tube, conduit
Into corresponding extinguishing chemical box, the extinguishing chemical in extinguishing chemical box is under the promotion of compressed gas by corresponding connecting tube, second
Through hole is quickly sprayed onto inside internal box with nozzle, and the slight deformation of internal box is put in the effect present invention utilizes lever
Greatly, the extinguishing design of the present invention is then quickly triggered, the speed of triggering is fast, even if the sealing effect failure of door, hazardous chemical
The high temperature of product burning deforms internal box heat, can also trigger the extinguishing design of the present invention, and each outer case of the invention is mutual
It does not contact mutually, single outer case is burned heating, will not influence the in vivo chemicals of other outer containers, between different internal box
Heat insulation is preferable, and effectively hazardous chemical can be protected.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structure diagram of the present invention；Fig. 2 is the partial enlarged view of I of Fig. 1；Fig. 3 is the office of II of Fig. 2
Portion's enlarged drawing；Fig. 4 is the partial enlarged view of III of Fig. 2.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiments obtained without creative efforts belong to the scope of protection of the invention.
Laboratory hazardous chemical managing device, as shown in the figure, including cabinet 1, cabinet 1 is interior to be fixedly mounted several uniform points
The outer case 2 of cloth, 2 front end face of outer case open up rectangular opening 3, are equipped with internal box 4 in outer case 2,4 front opening of internal box is interior
4 front end periphery of babinet with being fixedly connected inside rectangular opening 3, both left and right end faces of internal box 4 and corresponding 2 inner wall of outer case it
Between be fixedly connected by telescopic rod 5, the one side of telescopic rod 5 is equipped with box body 6, and box body 6 is fixedly mounted on the inner wall of outer case 2
On, box body 6 opens up first through hole 7 among the end face of internal box 4, fixed peace between telescopic rod 5 and corresponding box body 6
Supporting rod 8 is filled, supporting rod 8 is mutually parallel with corresponding telescopic rod 5, and the other end of supporting rod 8 is equipped with lever 9, one end of lever 9
It is articulated and connected with the side of the motion bar of corresponding telescopic rod 5, the side of lever 9 is hinged with the other end of corresponding supporting rod 8
It connects, piston boit 10 is equipped in first through hole 7, transverse tube 24,24 outside suit of transverse tube is fixedly mounted in the outer end of first through hole 7
Casing 25,25 inner wall of casing are engaged with corresponding 24 outer wall of transverse tube, and casing 25 can back and forth be slided along the length direction of transverse tube 24
Dynamic, 24 top of transverse tube opens up strip hole 26, and montant 27, the upper end of montant 27 and corresponding 25 inner wall of casing are equipped in strip hole 26
It is fixedly connected, cross bar 28 is equipped in transverse tube 24, one end of cross bar 28 is fixedly connected with the outer end of corresponding piston boit 10, montant
27 lower end is fixedly connected with the top of corresponding cross bar 28, and the other end of lever 9 passes through company with the top of corresponding casing 25
Bar 11 is articulated and connected, and compressed gas is filled in box body 6, and extinguishing chemical box 12 is fixedly mounted in bottom in outer case 2, transverse tube 24
It is fixedly connected between the other end and corresponding 12 side of extinguishing chemical box by conduit 29, inside 29 lower end of conduit and extinguishing chemical box 12
Communicate, the upper end of conduit 29 with communicated inside corresponding transverse tube 24, open up the second through hole 13 among 4 bottom face of internal box, second
Be fixedly connected between 13 lower end of through hole and corresponding 12 1 side bottom of extinguishing chemical box by connecting tube 14, connecting tube 14 with it is corresponding
It is communicated inside extinguishing chemical box 12, check valve 23 is installed in connecting tube 14, nozzle 30, fire extinguishing is fixedly mounted in the upper end of the second through hole 13
Extinguishing chemical is filled in agent box 12, horizontal mesh plate 15,4 front port of internal box hinge is fixedly mounted in internal box 4 at bottom
Installation door 16 is connect, door 16 can seal corresponding 4 front port of internal box, and handle 17 is fixedly mounted in 16 outside of door.The present invention provides
A kind of managing device of new hazardous chemical, the present invention are suitble to place inflammable hazardous chemical, work as hazardous chemical
The dangerous situation to burn in the present invention, the present invention can not depend on electric energy and quick and automatic fire extinguishing, phase can be completed completely
It is more reliable for traditional equipment for relying on sensor progress fire monitoring.Hazardous chemical is placed into internal box 4
Then portion closes door 16,4 inside of internal box is in closed environment at this time, the chemicals burning combustion inside internal box 4
During burning, the atmospheric pressure inside internal box 4 is present with variation, and the side plate of internal box 4 is present under the action of air pressure difference
Slight deformation, when internal box 4 deforms, the motion bar of telescopic rod 5 can be stretched out or shunk, no matter telescopic rod 5 stretch out or
It shrinks, the motion bar of telescopic rod 5 can all drive one end of lever 9 to move, and under leverage, the other end of lever 9 can lead to
Crossing connecting rod 11, casing 25, montant 27, cross bar 28 drives corresponding piston boit 10 to be separated with corresponding first through hole 7, releases to
The sealing function of one through hole 7, compressed gas in box body 6 enter pair by corresponding first through hole 7, transverse tube 24, conduit 29
In the extinguishing chemical box 12 answered, extinguishing chemical in extinguishing chemical box 12 is under the promotion of compressed gas by corresponding connecting tube 14, the
Two through holes 13 are quickly sprayed onto with nozzle 30 inside internal box 4, and the effect present invention utilizes lever 9 is by the slight of internal box 4
Deformation is amplified, and then quickly triggers the extinguishing design of the present invention, and the speed of triggering is fast, even if the sealing effect of door 16 loses
Effect, the high temperature of hazardous chemical burning deform 4 heat of internal box, can also trigger the extinguishing design of the present invention, of the invention
Each outer case 2 is not in contact with each other, and the burned heating of single outer case 2 will not influence the chemicals in other outer cases 2,
Heat insulation between different internal box 4 is preferable, and effectively hazardous chemical can be protected.
Specifically, as shown in the figure, on the end face that the box body 6 described in the present embodiment is fixedly connected with 2 inner wall of outer case
Open up third through-hole 18,2 lateral surface of outer case corresponds to and fourth hole 19 is opened up at third through-hole 18, fourth hole 19 with it is corresponding
Third through-hole 18 communicate, air inlet pipe 20 is fixedly mounted in the outer end of fourth hole 19, and Non-return air valve is respectively mounted in air inlet pipe 20
21.Multi-time inflating in box body 6 can be given by the design, the present invention is used for multiple times, when air pressure deficiency in box body 6
Make-up gas can be carried out by carrying out the design.
Specifically, as shown in the figure, the internal box 4 described in the present embodiment has thin stainless steel plate to be made.Thin stainless steel plate has
Anti-flammability, and compared with flexible type, when the situation that burning occurs in the hazardous chemical in internal box 4 is, smaller air pressure change also may be used
So that 4 modification of internal box, discharges quickly the compressed gas in box body 6, the corresponding speed of the present invention is improved.
Further, as shown in the figure, 4 inner surface of internal box described in the present embodiment scribbles corrosion resistant coating.The design can
The service life that there is corrosive chemicals to be corroded, improve the present invention being leaked to avoid internal box 4.
Further, as shown in the figure, being equipped with elastic telescoping bar 22, elastic telescoping in box body 6 described in the present embodiment
The end of the fixed link of bar 22 is fixedly connected with 6 inner wall of box body, the end of the motion bar of elastic telescoping bar 22 and corresponding piston
The inner end of column 10 is fixedly connected, and the diameter of the motion bar of elastic telescoping bar 22 is less than the diameter of piston boit 10.Elastic telescoping bar 22
It can also ensure that the movement locus of corresponding piston boit 10 is more stablized, after the completion of fire extinguishing, elastic telescoping bar 22 can help to live
Stick harness 10 automatically resets, and improves the reliability of the present invention.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
To modify to the technical solution recorded in foregoing embodiments or carry out equivalent substitution to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical solution spirit and
Scope.
Claims (5)
1. laboratory hazardous chemical managing device, it is characterised in that：Including cabinet（1）, cabinet（1）Interior fixed installation is several
The outer case of even distribution（2）, outer case（2）Front end face opens up rectangular opening（3）, outer case（2）It is interior to be equipped with internal box（4）, interior case
Body（4）Front opening, internal box（4）Front end periphery and rectangular opening（3）Inside is fixedly connected, internal box（4）Left and right end face two
Person and corresponding outer case（2）Pass through telescopic rod between inner wall（5）It is fixedly connected, telescopic rod（5）One side be equipped with box body
（6）, box body（6）It is fixedly mounted on outer case（2）Inner wall on, box body（6）Close to internal box（4）End face among open up
One through hole（7）, telescopic rod（5）With corresponding box body（6）Between supporting rod is fixedly mounted（8）, supporting rod（8）It is stretched with corresponding
Contracting bar（5）It is mutually parallel, supporting rod（8）The other end be equipped with lever（9）, lever（9）One end and corresponding telescopic rod（5）'s
The side articulated connection of motion bar, lever（9）Side and corresponding supporting rod（8）The other end articulated connection, first through hole
（7）Inside it is equipped with piston boit（10）, first through hole（7）Outer end transverse tube is fixedly mounted（24）, transverse tube（24）Outer cover encapsulation
Pipe（25）, casing（25）Inner wall and corresponding transverse tube（24）Outer wall is engaged, casing（25）It can be along transverse tube（24）Length side
To slidably reciprocating, transverse tube（24）Top opens up strip hole（26）, strip hole（26）It is interior to be equipped with montant（27）, montant（27）Upper end
With corresponding casing（25）Inner wall is fixedly connected, transverse tube（24）Inside it is equipped with cross bar（28）, cross bar（28）One end with it is corresponding
Piston boit（10）Outer end be fixedly connected, montant（27）Lower end and corresponding cross bar（28）Top be fixedly connected, lever（9）
The other end and corresponding casing（25）Top pass through connecting rod（11）Articulated connection, box body（6）Compressed gas is inside filled, outside
Babinet（2）Extinguishing chemical box is fixedly mounted in interior bottom（12）, transverse tube（24）The other end and corresponding extinguishing chemical box（12）Side
Between pass through conduit（29）It is fixedly connected, conduit（29）Lower end and extinguishing chemical box（12）Inside communicates, conduit（29）Upper end with
Corresponding transverse tube（24）Inside communicates, internal box（4）The second through hole is opened up among bottom face（13）, the second through hole（13）Lower end with
Corresponding extinguishing chemical box（12）Pass through connecting tube between one side bottom（14）It is fixedly connected, connecting tube（14）With corresponding extinguishing chemical
Box（12）Inside communicates, connecting tube（14）Upper installation check valve（23）, the second through hole（13）Upper end be fixedly mounted nozzle（30）,
Extinguishing chemical box（12）Inside fill extinguishing chemical, internal box（4）Horizontal mesh plate is fixedly mounted at interior close bottom（15）, internal box
（4）Front port is hinged installation door（16）, door（16）It can be by corresponding internal box（4）Front port seals, door（16）Peace is fixed in outside
Fill handle（17）.
2. hazardous chemical managing device in laboratory according to claim 1, it is characterised in that：The box body（6）With
Outer case（2）Third through-hole is opened up on the end face that inner wall is fixedly connected（18）, outer case（2）Lateral surface corresponds to third through-hole
（18）Place opens up fourth hole（19）, fourth hole（19）With corresponding third through-hole（18）It communicates, fourth hole（19）'s
Air inlet pipe is fixedly mounted in outer end（20）, air inlet pipe（20）On be respectively mounted Non-return air valve（21）.
3. hazardous chemical managing device in laboratory according to claim 1, it is characterised in that：The internal box（4）
There is thin stainless steel plate to be made.
4. hazardous chemical managing device in laboratory according to claim 1, it is characterised in that：The internal box（4）
Inner surface scribbles corrosion resistant coating.
5. hazardous chemical managing device in laboratory according to claim 1, it is characterised in that：The box body（6）It is interior
It is equipped with elastic telescoping bar（22）, elastic telescoping bar（22）Fixed link end and box body（6）Inner wall is fixedly connected, and elastic force is stretched
Contracting bar（22）Motion bar end and corresponding piston boit（10）Inner end be fixedly connected, elastic telescoping bar（22）Motion bar
Diameter be less than piston boit（10）Diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711374362.7A CN108057463A (en) | 2017-12-19 | 2017-12-19 | Laboratory hazardous chemical managing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711374362.7A CN108057463A (en) | 2017-12-19 | 2017-12-19 | Laboratory hazardous chemical managing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108057463A true CN108057463A (en) | 2018-05-22 |
Family
ID=62139504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711374362.7A Pending CN108057463A (en) | 2017-12-19 | 2017-12-19 | Laboratory hazardous chemical managing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108057463A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1086448A (en) * | 1988-12-26 | 1994-05-11 | 赵广生 | Automatic controller for preventing deflagration |
| CN101056679A (en) * | 2004-10-29 | 2007-10-17 | 普利沃国际 | Low pressure flow controlled powder sprayer |
| CN101072605A (en) * | 2004-12-09 | 2007-11-14 | 法国空中客车公司 | Device for increasing the effectiveness of the pressurizing gas in an extinguisher bottle |
| CN101351244A (en) * | 2006-01-02 | 2009-01-21 | 卢森堡专利公司 | Fire fighting device with tank and corresponding pressurized gas bottle |
| CN202098742U (en) * | 2011-05-06 | 2012-01-04 | 苏州威琅智能系统集成有限公司 | Intelligent multi-element anti-explosion storage device for chemicals |
| CN203624278U (en) * | 2014-01-04 | 2014-06-04 | 宁波保润石化有限公司 | Bombing prevention oil storage tank |
| CN203921734U (en) * | 2014-04-25 | 2014-11-05 | 孙强丹 | The datonation-inhibition equipment of lazy envelope for dangerous chemical container |
| CN106481701A (en) * | 2016-12-15 | 2017-03-08 | 常州中车铁马科技实业有限公司 | A kind of checking cylinder of the power of having enlarging function |
| CN106524779A (en) * | 2016-11-02 | 2017-03-22 | 广西南宁新能科技开发有限公司 | Hydraulic fan cooling tower |
| WO2017054874A1 (en) * | 2015-10-01 | 2017-04-06 | Düperthal Sicherheitstechnik Gmbh & Co. Kg | Safety cabinet |
-
2017
- 2017-12-19 CN CN201711374362.7A patent/CN108057463A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1086448A (en) * | 1988-12-26 | 1994-05-11 | 赵广生 | Automatic controller for preventing deflagration |
| CN101056679A (en) * | 2004-10-29 | 2007-10-17 | 普利沃国际 | Low pressure flow controlled powder sprayer |
| CN101072605A (en) * | 2004-12-09 | 2007-11-14 | 法国空中客车公司 | Device for increasing the effectiveness of the pressurizing gas in an extinguisher bottle |
| CN101351244A (en) * | 2006-01-02 | 2009-01-21 | 卢森堡专利公司 | Fire fighting device with tank and corresponding pressurized gas bottle |
| CN202098742U (en) * | 2011-05-06 | 2012-01-04 | 苏州威琅智能系统集成有限公司 | Intelligent multi-element anti-explosion storage device for chemicals |
| CN203624278U (en) * | 2014-01-04 | 2014-06-04 | 宁波保润石化有限公司 | Bombing prevention oil storage tank |
| CN203921734U (en) * | 2014-04-25 | 2014-11-05 | 孙强丹 | The datonation-inhibition equipment of lazy envelope for dangerous chemical container |
| WO2017054874A1 (en) * | 2015-10-01 | 2017-04-06 | Düperthal Sicherheitstechnik Gmbh & Co. Kg | Safety cabinet |
| CN106524779A (en) * | 2016-11-02 | 2017-03-22 | 广西南宁新能科技开发有限公司 | Hydraulic fan cooling tower |
| CN106481701A (en) * | 2016-12-15 | 2017-03-08 | 常州中车铁马科技实业有限公司 | A kind of checking cylinder of the power of having enlarging function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180522 |
|
| RJ01 | Rejection of invention patent application after publication |