CN105547784A - Automatic device for evenly wetting soil and soil wetting method thereof - Google Patents
Automatic device for evenly wetting soil and soil wetting method thereof Download PDFInfo
- Publication number
- CN105547784A CN105547784A CN201610014566.9A CN201610014566A CN105547784A CN 105547784 A CN105547784 A CN 105547784A CN 201610014566 A CN201610014566 A CN 201610014566A CN 105547784 A CN105547784 A CN 105547784A
- Authority
- CN
- China
- Prior art keywords
- soil
- water
- wetting
- soaks
- automaton
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D22/00—Control of humidity
- G05D22/02—Control of humidity characterised by the use of electric means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses an automatic device for evenly wetting soil and a soil wetting method thereof. The automatic device comprises a horizontally-arranged bottom plate. A soil vibrating device and a soil wetting spraying device are arranged on the upper surface of the bottom plate. The soil vibrating device comprises a vibrator and a soil-sample containing device; the vibrator comprises a vibrator body and a vibrating platform located at the top of the vibrator body; the soil-sample containing device comprises boxes and box covers, wherein the boxes and the box covers are placed on the vibrating platform. The soil wetting spraying device comprises a water tank, a water pump and a spraying head, wherein the spraying head is fixedly connected to the box covers, the water inlet end of the water pump is communicated with the bottom of the water tank through a water inlet pipe, and the water outlet end of the water pump is connected with the spraying head through a water outlet hose. According to the automatic device, an automatic control device for wetting soil is set, the water consumption is automatically calculated according to the water content obtained before soil wetting and the water content obtained after soil wetting, and the automation degree of the configuration is increased; meanwhile, wetting is carried out in the mode that soil is vibrated while spraying, so that after arrangement is completed, the soil is more evenly wetted, and the water content is more accurate.
Description
Technical field
The present invention relates to soil test field, be specifically related to a kind of soil uniform wet automation equipment and soil humidity method thereof.
Background technology
Shearing strength is one of soil mechanics index, puts into practice significant to rock-soil mechanics research and Geotechnical Engineering.Soil moisture content is one of key factor affecting soil shear strength, current, soil shear strength is measured usual triaxial test and is completed, and need the soil sample configuring different water cut when making triaxial test soil sample, the soil sample therefore accurately configuring different water cut is very important.Conventional arrangement method is: take quantitative soil sample, soil sample is laid in enamel tray, calculates the required water yield according to required water percentage, measure quantitative water and put into watering can, evenly be sprayed on soil sample surface, seal 24h with preservative film, ensure soil sample complete wetting.The method is entirely by hand by experiential operating, more time-consuming, and performance accuracy is not high, and the water percentage of configuration is also accurate not, and soil sample infiltrates only has surface wettability, fails to ensure that soil sample inside is moistening, makes the infiltration of soil sample even not, thus causes larger test error.Therefore effectively simple, conveniently configure soil sample method and seem particularly important.
Summary of the invention
For above-mentioned the deficiencies in the prior art, technical matters to be solved by this invention is: how to provide a kind of setup time short, soil drench is even, and the rear water percentage accurate soil uniform wet automation equipment of configuration and soil humidity method thereof.
In order to solve the problems of the technologies described above, present invention employs following technical scheme:
A kind of soil uniform wet automation equipment, it is characterized in that: comprise horizontally disposed base plate, described plate upper surface is provided with soil oscillation device and soil soaks spray equipment, described soil oscillation device comprises oscillator and soil sample accommodating device, described oscillator comprises the oscillator main body that is fixedly connected on plate upper surface and is positioned at oscillator body top and horizontally disposed rocking platform, described oscillator main body can provide vibration power for described rocking platform, described soil sample accommodating device comprises and is placed on box body on described shaking platform and the lid that be connected detachable with box body, described soil soaks spray equipment and comprises water tank, water pump and shower nozzle, described water tank and described water pump are placed on described base plate, described shower nozzle is fixedly connected on the inside surface of described lid, the inlet end of described water pump is communicated with by the bottom of water inlet pipe with described water tank, and the water outlet end of described water pump is connected with described shower nozzle by delivery hose.
In the present invention, first put into a certain amount of for examination soil in box body, then cover lid, restart oscillator main body, the box body be placed on rocking platform is vibrated, then opens water pump again, by shower nozzle, the soil in box body is sprayed; After completing spray, switch off the pump and continue to vibrate to box body, after time delay a period of time, close oscillator main body, take out the soil after having soaked.Soil wet processes is carried out in airtight space, avoids the impact of weather on moisture evaporation of sweltering heat in summer, improves the precision of experiment; Again by shower nozzle spraying out uniform moisture, moisture is better soaked to soil, simultaneously in soil sample humidification, by the vibration to soil, guarantee soil particle all energy contact wettings, pedotheque is moistening more even, and shortens setup time.
As optimization, described soil soaks spray equipment and also comprises soil and soak automaton, described delivery hose is provided with flowmeter, the signal end input end that described soil soaks automaton is electrically connected with the signal output part of described flowmeter, and the control output end that described soil soaks automaton is electrically connected with the control input end of described water pump and described oscillator main body respectively.The water percentage current according to soil and final water percentage, soak automaton to soil to set, soil soaks automaton can calculate water consumption needed for wetting soil automatically, and by the water yield that flowmeter is monitored, water pump is controlled, realize automatically closing down water pump, improve automaticity.
As optimization, the lower surface of described base plate is provided with multiple leg that can regulate described bottom plate heights, described leg comprises horizontally disposed rubber mat, adjusting screw(rod) is provided with between described base plate and described rubber mat, described adjusting screw(rod) comprise vertically arrange twist bar, described two ends of twisting bar are outward extended with the contrary threaded rod of the hand of spiral respectively along its length, described twist bar is provided with at least two be parallel to each other and and described clamping face of twisting bar axis parallel be configured for conveniently making described in twist that bar rotates twist portion, two described threaded rods respectively with the lower surface of described base plate and the upper surface threaded engagement of described rubber mat.Oscillator main body is in the process of vibration, oscillation force also can pass to base plate simultaneously, and when the testing table placing base plate is irregular time, base plate equally corresponding vibration can occur, so not only the equipment on base plate is impacted, also can send larger noise simultaneously.Twisting portion by rotating, regulating the height of rubber mat, base plate is placed steadily, and rubber mat can absorb a part of oscillation force in addition, is conducive to reducing base plate because vibrating the noise brought.
The invention also discloses a kind of method using soil uniform wet automation equipment to soak soil, first make described base plate be horizontal; Then open described lid, the soil taken is put in described box body, and cover described lid; Automaton input soil quality is soaked by described soil, soil initial aqueous rate and the final water percentage of soil, described soil soaks automaton and automatically calculates soil and soak the water yield, and first starts oscillator main body and vibrate, and restarts described water pump and sprays soil; When the water yield that flowmeter monitoring is wetting reaches after this soil soaks the water yield, described soil soaks automaton and switches off the pump, and stops supplying water, and time delay is after 1 ~ 2 minute, finally soaking automaton by described soil again closes described oscillator main body, and soil soaks configuration and completes.
In sum, beneficial effect of the present invention is: structure of the present invention is simple, and by soaking the setting of automaton to soil, the water percentage before and after soaking according to soil calculates water consumption automatically, improves the automaticity of configuration.Infiltrate the mode of vibration limit, soil limit spray, make the soil drench after having configured more even, water percentage is more accurate simultaneously.
Accompanying drawing explanation
In order to make the object of invention, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the present invention is described in further detail, wherein:
Fig. 1 is structural representation of the present invention;
Fig. 2 is A place enlarged diagram in Fig. 1;
Fig. 3 is the cut-open view of lid in the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Figure 1 to Figure 3, soil uniform wet automation equipment in this embodiment, comprise horizontally disposed base plate 1, described base plate 1 upper surface is provided with soil oscillation device and soil soaks spray equipment, described soil oscillation device comprises oscillator and soil sample accommodating device, described oscillator comprises the oscillator main body 2 that is fixedly connected on base plate 1 upper surface and is positioned at oscillator main body 2 top and horizontally disposed rocking platform 3, described oscillator main body 2 can provide vibration power for described rocking platform 3, described soil sample accommodating device comprises and is placed on box body 4 on described shaking platform 3 and the lid 5 that be connected detachable with box body 4, described soil soaks spray equipment and comprises water tank 6, water pump 7 and shower nozzle 21, described water tank 6 and described water pump 7 are placed on described base plate 1, described shower nozzle 21 is fixedly connected on the inside surface of described lid 5, the inlet end of described water pump 7 is communicated with by the bottom of water inlet pipe with described water tank 6, and the water outlet end of described water pump 7 is connected with described shower nozzle 21 by delivery hose.
In this embodiment, described soil soaks spray equipment and also comprises soil and soak automaton 12, described delivery hose is provided with flowmeter 13, the signal end input end that described soil soaks automaton 12 is electrically connected with the signal output part of described flowmeter 13, and the control output end that described soil soaks automaton 12 is electrically connected with the control input end of described water pump 7 and described oscillator main body 2 respectively.
In this embodiment, the lower surface of described base plate 1 is provided with multiple leg that can regulate described bottom plate heights, described leg comprises horizontally disposed rubber mat 8, adjusting screw(rod) is provided with between described base plate 1 and described rubber mat 8, described adjusting screw(rod) comprise vertically arrange twist bar 9, described two ends of twisting bar 9 are outward extended with the contrary threaded rod of the hand of spiral 10 respectively along its length, described twist bar 9 is provided with at least two be parallel to each other and and described clamping face of twisting bar 9 axis parallel be configured for conveniently making described in twist the portion of twisting 11 that bar 9 rotates, two described threaded rods 10 respectively with the lower surface of described base plate 1 and the upper surface threaded engagement of described rubber mat 8.
In concrete implementation process, make a casing 14, the top of casing 14 is hingedly connected with case lid 15, described soil oscillation device and described soil soak spray equipment and are all placed on the base plate of described casing 14, the capping of described case lid 15 is glass covering 16, clearly can observe the situation of the inner each equipment of casing 14 like this, the side of described casing 14 is provided with the transparent window 17 can observing the described water tank 6 being positioned at described casing 14 inside, described water tank 6 is made for transparent material, this makes it possible to the liquid level observing water tank 6, casing 14 is also provided with by water filling port 22 in addition, water filling port is connected with a water injection pipe and extend in water tank 6, be convenient to amount of makeup water.Lid 5 is provided with link 18, the medial surface of casing 14 is provided with the hook 19 for link 18 on hook lid 5, can not only prevent described lid 5 from losing, the both hands of operator can also be vacated simultaneously, conveniently pick and place soil sample, when soil sample accommodating device quantity is for overlapping, specification being formed to the placement of lid 5 more, avoiding the staggered knotting of casing 14 internal pipeline.Also being provided with the soil moisture sensor 23 for detecting soil moisture content in box body 4, for detecting the initial aqueous rate of soil and final water percentage, and detection data being transferred to soil and soak automaton 12 and process.Casing 14 is also provided with hummer, and soil soaks automaton 12 and is electrically connected with described hummer, and after soil has soaked, after oscillator main body 2 is vibrated and stopped, soil soaks automaton 12 and controls buzzer call, reminds user to configure.In order to shorten setup time, many cover soil sample accommodating devices can be set in casing, and shower nozzle 21 is set often overlapping inside the lid 5 of soil sample accommodating device, be connected with the water delivering orifice of delivery hose with water pump 7 equally.The delivery hose supplied water for each cover soil sample accommodating device arranges flowmeter 13 and solenoid valve 20 respectively, and soak automaton 12 respectively with soil and be electrically connected, so just can infiltrate multiple pedotheque simultaneously, and carry out closedown water supply by solenoid valve 20, improve allocative efficiency.Shower nozzle 21 adopts atomizer in addition, can reduce the size of water droplet like this, is convenient to soil and fully absorbs.
In this embodiment, a kind of method using soil uniform wet automation equipment to soak soil, first makes described base plate 1 be horizontal; Then open described lid 5, the soil taken is put in described box body 4, and cover described lid 5; Soak automaton 12 by described soil and input soil quality, soil initial aqueous rate and the final water percentage of soil, described soil soaks automaton 12 and automatically calculates soil and soak the water yield, and first startup oscillator main body 2 is vibrated, and restarts described water pump 7 pairs of soil and sprays; Monitoring the wetting water yield when flowmeter 13 reaches after this soil soaks the water yield, described soil soaks automaton 12 and switches off the pump 7, stop supplying water, and time delay is after 1 ~ 2 minute, finally soaking automaton 12 by described soil again closes described oscillator main body 2, and soil soaks configuration and completes.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although by referring to the preferred embodiments of the present invention, invention has been described, but those of ordinary skill in the art is to be understood that, various change can be made to it in the form and details, and not depart from the spirit and scope of the present invention that appended claims limits.
Claims (4)
1. a soil uniform wet automation equipment, it is characterized in that: comprise horizontally disposed base plate, described plate upper surface is provided with soil oscillation device and soil soaks spray equipment, described soil oscillation device comprises oscillator and soil sample accommodating device, described oscillator comprises the oscillator main body that is fixedly connected on plate upper surface and is positioned at oscillator body top and horizontally disposed rocking platform, described oscillator main body can provide vibration power for described rocking platform, described soil sample accommodating device comprises and is placed on box body on described shaking platform and the lid that be connected detachable with box body, described soil soaks spray equipment and comprises water tank, water pump and shower nozzle, described water tank and described water pump are placed on described base plate, described shower nozzle is fixedly connected on the inside surface of described lid, the inlet end of described water pump is communicated with by the bottom of water inlet pipe with described water tank, and the water outlet end of described water pump is connected with described shower nozzle by delivery hose.
2. soil uniform wet automation equipment according to claim 1, it is characterized in that: described soil soaks spray equipment and also comprises soil and soak automaton, described delivery hose is provided with flowmeter, the signal end input end that described soil soaks automaton is electrically connected with the signal output part of described flowmeter, and the control output end that described soil soaks automaton is electrically connected with the control input end of described water pump and described oscillator main body respectively.
3. soil uniform wet automation equipment according to claim 1, it is characterized in that: the lower surface of described base plate is provided with multiple leg that can regulate described bottom plate heights, described leg comprises horizontally disposed rubber mat, adjusting screw(rod) is provided with between described base plate and described rubber mat, described adjusting screw(rod) comprise vertically arrange twist bar, described two ends of twisting bar are outward extended with the contrary threaded rod of the hand of spiral respectively along its length, described twist bar is provided with at least two be parallel to each other and and described clamping face of twisting bar axis parallel be configured for conveniently making described in twist that bar rotates twist portion, two described threaded rods respectively with the lower surface of described base plate and the upper surface threaded engagement of described rubber mat.
4. use the automation equipment of soil uniform wet described in the claims 2 to soak a method for soil, it is characterized in that: first make described base plate be horizontal; Then open described lid, the soil taken is put in described box body, and cover described lid; Automaton input soil quality is soaked by described soil, soil initial aqueous rate and the final water percentage of soil, described soil soaks automaton and automatically calculates soil and soak the water yield, and first starts oscillator main body and vibrate, and restarts described water pump and sprays soil; When the water yield that flowmeter monitoring is wetting reaches after this soil soaks the water yield, described soil soaks automaton and switches off the pump, and stops supplying water, and time delay is after 1 ~ 2 minute, finally soaking automaton by described soil again closes described oscillator main body, and soil soaks configuration and completes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610014566.9A CN105547784B (en) | 2016-01-11 | 2016-01-11 | Soil uniform wet automation equipment and its soil humidity method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610014566.9A CN105547784B (en) | 2016-01-11 | 2016-01-11 | Soil uniform wet automation equipment and its soil humidity method |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105547784A true CN105547784A (en) | 2016-05-04 |
CN105547784B CN105547784B (en) | 2018-02-02 |
Family
ID=55827126
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610014566.9A Expired - Fee Related CN105547784B (en) | 2016-01-11 | 2016-01-11 | Soil uniform wet automation equipment and its soil humidity method |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105547784B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109001006A (en) * | 2018-08-10 | 2018-12-14 | 山东斯兰德环保科技有限公司 | A kind of soil uniform wet automation equipment |
CN109507061A (en) * | 2018-12-07 | 2019-03-22 | 江苏农林职业技术学院 | A kind of automatic indoor field capacity measurement device and measuring method |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110179888A1 (en) * | 2010-01-28 | 2011-07-28 | Bijan Danesh | Undisturbed soil and sediment sampling |
CN103026837A (en) * | 2012-12-31 | 2013-04-10 | 郑州市中源恒睿机械制造有限公司 | Screening-free stirring tank body and dedicated soil dressing spray-seeding machine |
US20140345394A1 (en) * | 2013-05-26 | 2014-11-27 | Rhett Warren Schildroth | Portable soil testing apparatus and method |
CN104458529A (en) * | 2014-11-21 | 2015-03-25 | 东华理工大学 | Multifunctional indoor rain water infiltration simulating experiment device for unsaturated soil |
CN204269522U (en) * | 2014-11-21 | 2015-04-15 | 东华理工大学 | Unsaturated soil rain infiltration simulation test device in a kind of multifunctional room |
CN104532820A (en) * | 2014-12-12 | 2015-04-22 | 中国科学院武汉岩土力学研究所 | Polluted soil in-situ solidification/stabilization treatment device |
CN104646407A (en) * | 2014-12-23 | 2015-05-27 | 北京建工环境修复股份有限公司 | Cleaning system for contaminated building clinkers in contaminated sites and cleaning method thereof |
CN204412752U (en) * | 2014-12-23 | 2015-06-24 | 北京建工环境修复股份有限公司 | A kind of purging system for the contaminated building clinker of contaminated site |
CN105107835A (en) * | 2015-09-21 | 2015-12-02 | 中国科学院武汉岩土力学研究所 | Contaminated soil treatment equipment through leaching |
CN205317555U (en) * | 2016-01-11 | 2016-06-15 | 重庆师范大学 | Soil uniformly wet automation equipment |
-
2016
- 2016-01-11 CN CN201610014566.9A patent/CN105547784B/en not_active Expired - Fee Related
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110179888A1 (en) * | 2010-01-28 | 2011-07-28 | Bijan Danesh | Undisturbed soil and sediment sampling |
CN103026837A (en) * | 2012-12-31 | 2013-04-10 | 郑州市中源恒睿机械制造有限公司 | Screening-free stirring tank body and dedicated soil dressing spray-seeding machine |
US20140345394A1 (en) * | 2013-05-26 | 2014-11-27 | Rhett Warren Schildroth | Portable soil testing apparatus and method |
CN104458529A (en) * | 2014-11-21 | 2015-03-25 | 东华理工大学 | Multifunctional indoor rain water infiltration simulating experiment device for unsaturated soil |
CN204269522U (en) * | 2014-11-21 | 2015-04-15 | 东华理工大学 | Unsaturated soil rain infiltration simulation test device in a kind of multifunctional room |
CN104532820A (en) * | 2014-12-12 | 2015-04-22 | 中国科学院武汉岩土力学研究所 | Polluted soil in-situ solidification/stabilization treatment device |
CN104646407A (en) * | 2014-12-23 | 2015-05-27 | 北京建工环境修复股份有限公司 | Cleaning system for contaminated building clinkers in contaminated sites and cleaning method thereof |
CN204412752U (en) * | 2014-12-23 | 2015-06-24 | 北京建工环境修复股份有限公司 | A kind of purging system for the contaminated building clinker of contaminated site |
CN105107835A (en) * | 2015-09-21 | 2015-12-02 | 中国科学院武汉岩土力学研究所 | Contaminated soil treatment equipment through leaching |
CN205317555U (en) * | 2016-01-11 | 2016-06-15 | 重庆师范大学 | Soil uniformly wet automation equipment |
Non-Patent Citations (1)
Title |
---|
郭伟等: "不同湿润速率对三种红壤坡面侵蚀过程的影响", 《土壤学报》 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109001006A (en) * | 2018-08-10 | 2018-12-14 | 山东斯兰德环保科技有限公司 | A kind of soil uniform wet automation equipment |
CN109507061A (en) * | 2018-12-07 | 2019-03-22 | 江苏农林职业技术学院 | A kind of automatic indoor field capacity measurement device and measuring method |
CN109507061B (en) * | 2018-12-07 | 2021-09-07 | 江苏农林职业技术学院 | Automatic indoor field water holding capacity measuring device and method |
Also Published As
Publication number | Publication date |
---|---|
CN105547784B (en) | 2018-02-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105547784A (en) | Automatic device for evenly wetting soil and soil wetting method thereof | |
CN203591763U (en) | Wet skin pass automatic liquid mixing device | |
ATE462343T1 (en) | DEVICE FOR MOISTURIZING A CLEANING ELEMENT | |
CN204613075U (en) | A kind of multi-functional bar concrete component accelerating corrosion device | |
CN208366532U (en) | Closed waterproof test device suitable for more waterproofing grade standards | |
CN205317555U (en) | Soil uniformly wet automation equipment | |
CN205506532U (en) | One -way compressometer of soil body based on steam is humidification progressively | |
CN202762139U (en) | Chromatographic column flowing phase device | |
CN204439503U (en) | A kind of saturated hydraulic conductivity in soil apparatus for automatically measuring | |
CN202383133U (en) | Liquid penetration performance test device of chemical protecting suit | |
CN108303303A (en) | A kind of device and its application method of adjustable soil sample degree of saturation | |
CN205518803U (en) | Built -in ultrasonic cleaning device | |
CN219266023U (en) | Viscosity testing device for waterproof paint | |
CN108572098A (en) | A kind of experimental rig for matching moisture content automatically to soil sample | |
CN216160380U (en) | Intelligent temperature control type high-suction testing device | |
CN204718840U (en) | A kind of automatic continuous sampling device | |
CN209589795U (en) | A kind of salt air corrosion experimental provision for material metal experiment | |
CN208126236U (en) | A kind of saturated humidity generating device | |
CN203164169U (en) | Foaming height testing device | |
CN210293969U (en) | Automatic testing system for suspended load sand content | |
CN203658208U (en) | Device for measuring viscosity of aids for cashmere | |
CN204344342U (en) | A kind of fuel injection pump tester | |
CN209132074U (en) | A kind of portable cotton fiber verifying attachment | |
CN109932521A (en) | A kind of laboratory automatically determines the device and measuring method of Ore granular porosity | |
CN203164168U (en) | Foaming height determining instrument |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180202 Termination date: 20190111 |