CN207439875U - A kind of material impermeability detection device - Google Patents
A kind of material impermeability detection device Download PDFInfo
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- CN207439875U CN207439875U CN201721523963.5U CN201721523963U CN207439875U CN 207439875 U CN207439875 U CN 207439875U CN 201721523963 U CN201721523963 U CN 201721523963U CN 207439875 U CN207439875 U CN 207439875U
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- staving
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Abstract
The utility model provides a kind of material impermeability detection device, including：Staving is hollow between the inner and outer wall of staving, is provided with to place multiple through holes of test specimen on the side wall of staving, internal thread is provided on through hole, the bottom of the side wall of staving is provided with pressure gauge；Test piece mould, test piece mould are hollow tube, external screw thread are provided on the outer wall of hollow tube, external screw thread matches with internal thread；It is provided with to fix the fixing piece of test specimen on the end face of test piece mould；Piston, the diameter of piston are equal to the diameter of the inner wall of staving, and piston is stretched into the inside of staving by the upper port of staving, and the upper end of piston is connected with piston rod, and the upper end of piston rod is connected with forcing press.The material impermeability detection device of the utility model can simultaneously be detected impermeability of the different waterproof materials when being subject to certain hydraulic pressure, and be compared analysis to its impermeability, and apparatus structure is simple, easy to operate.
Description
Technical field
The utility model belongs to architecture engineering material technical field, and in particular to a kind of material impermeability detection device.
Background technology
With China's expanding economy, people's living condition is also improved constantly, and people also increasingly pay attention to being particularly
Related construction material water proof case.Waterproof work as an important link in architectural engineering, be related to the quality of engineering with
The later life of people.In recent years, the appearance of China's new waterproofing techniques makes construction quality be greatly improved, but due to kind
The phenomenon that kind reason, underground engineering and tunnel leak, still has, and reduces the service life of building, greatly increases
Maintenance costs.A qualified waterproof material how is thus selected, the use later to building is significant.
Rigidity water-proofing material is as a kind of new rigidity water-proofing material, cementitious capillary waterproofing material at present
A kind of pulverulent material, base material is using portland cement or Portland cement, quartz sand etc., and incorporation is appropriate wherein
Active chemistry and be made.In Tunnel Engineering and underground engineering in building structure, what rigidity water-proofing material was subject to is
The effect of water with certain pressure.It is existing to mortar waterproof material, polymer cement waterproof material, polyurethane waterproof material
The detection of rigidity water-proofing materials is waited generally to first pass through the water absorption rate of permeability test detection rigidity water-proofing material, then is tried by stretching
It tests or compression test is detected analysis to the impermeability of waterproof material under a certain pressure；Therefore, lacking a kind of device can be same
When detect the anti-permeability performance of different waterproof materials under a certain pressure.
Utility model content
To solve problem above, the utility model provides a kind of material impermeability detection device, can be simultaneously to different waterproofs
Impermeability of the material when being subject to certain hydraulic pressure is detected, and is compared analysis to its impermeability, and apparatus structure is simple, behaviour
Facilitate, accuracy is high.
In order to achieve the above object, the utility model is solved using following technical scheme.
A kind of material impermeability detection device, including：Staving, be between the inner and outer wall of the staving it is hollow, it is described
It is provided with to place multiple through holes of test specimen on the side wall of staving, internal thread, the side of the staving is provided on the through hole
The bottom of wall is provided with pressure gauge；Test piece mould, the test piece mould are hollow tube, are provided on the outer wall of the hollow tube outer
Screw thread, the external screw thread match with the internal thread；It is provided with to fix consolidating for test specimen on the end face of the test piece mould
Determine part；Piston, the diameter of the piston are equal to the diameter of the inner wall of the staving, and the piston is stretched by the upper port of the staving
Enter the inside of the staving, the upper end of the piston is connected with piston rod, and the upper end of the piston rod is connected with forcing press.
Material impermeability detection device according to the present utility model, mainly for detection of cement-base infiltration crystallization type water-proof material
Material is hollow to reduce staving material utilization amount, cost-effective and light, easy carry transfer between the inner and outer wall of staving.Examination
It is used to place detected materials test specimen, test piece mould and external screw thread of the through hole by mutual cooperation and interior spiral shell in the hollow tube of part mold
Detected materials test specimen in test piece mould is placed in through hole by line, and test piece mould is connected firmly with through hole, and test piece mould is convenient for
Dismounting, will not damage through hole.The fixing piece set on the end face of test piece mould will not when detected materials test specimen can be made to be under pressure
Through hole is extruded, is fixed in through-holes by fixing piece.The pressure gauge that the bottom of the side wall of staving is set can resist material
Pressure in oozing property detection process is monitored in real time, gives piston rod certain pressure by forcing press, and piston rod promotes piston
It is moved from the upper port of staving to the inside of staving, piston diameter is equal with inner wall of barrel diameter, it is ensured that piston and staving
Leakproofness is good, and water of the piston in pushing course inside staving is made not overflow upwards.
The specific detection method of material impermeability detection device of the utility model is：Other of inspection staving are needed before detection
Whether position has water leakage situation, is first placed in sealing material in test piece mould, dense extrusion, and test piece mould passes through mutual with through hole
Sealing material in test piece mould is placed in through hole by the external screw thread of cooperation with internal thread, through hole is blocked completely, into staving
Water filling checks whether the leakproofness of staving is intact.
Then the intact material impermeability detection device of leakproofness is used to detect to the impermeability of waterproof material, it is specific to detect
Method is：Waterproof material is put into test piece mould, dense extrusion, treats its hardening；Circumferential in test piece mould smears fluid sealant
Or the sealing materials such as paraffin, and the test piece mould for being put into waterproof material is screwed by the external screw thread of mutual cooperation with internal thread
In through hole；The slowly water filling into staving, the height of the water of injection should be than the height of the through hole of the top setting on staving side wall
High more than 2cm；Piston is put into staving again, piston can be hard rubber material, and intensity is higher, and hardness is larger, in room
Relatively stablize under temperature load, be not easy to damage by pressure, and inner wall of barrel is processed by shot blasting, makes vulcanie piston and inner wall of barrel completely close
Envelope, it is impermeable；It is pressurizeed using forcing press to piston rod, piston is promoted to treat that pressure gauge reaches needs to movement below staving
It after the pressure of simulation, maintains this pressure constant, after placing for 24 hours, the infiltration situation of waterproof material test specimen is observed, if test piece mould
In waterproof material test specimen appearance sweat, then be unqualified waterproof material；If waterproof material test specimen in test piece mould
Outer surface is impermeable, then is qualified waterproof material.
The material impermeability detection device of the utility model can also simultaneously be detected different waterproof materials, and right
The impermeability of a variety of materials is compared analysis, determines optimal waterproof material, and specific detection method is：It is put into test piece mould
Different waterproof materials, and test piece mould is screwed into respectively in different through holes, specific detection method is same as above, and observes test piece mould
The infiltration situation of middle difference waterproof material, and analysis, waterproof are compared to its impermeability according to the infiltration height of waterproof material
The infiltration height of material is lower, and the impermeability of waterproof material is better；The test method of waterproof material infiltration height is by waterproof material
Expect test specimen rip cutting, measure the infiltration height of its cut section；Also can by measure waterproof material infiltration before and after waterproof material weight
Difference calculates the water percolating capacity of waterproof material, and water percolating capacity is fewer, and the impermeability of waterproof material is better.
The material impermeability structure of the detecting device of the utility model is simple, easy to operate, and water is recorded in real time by pressure gauge
The impervious whether qualified of waterproof material judged by the leakage scenarios of waterproof material in test piece mould, and can pass through waterproof for pressure
The infiltration height or water percolating capacity of material are compared analysis to the impermeability of different waterproof materials, help to select better waterproof
Material.Stressed form is applied with feedwater to simulate if the water that certain pressure is carried in Tunnel Engineering and underground engineering is to building
The influence of structure, device is easy to operate, and accuracy is high.
In addition, material impermeability detection device provided by the utility model can have following additional technical feature：
As preference, the end face of the test piece mould is provided with flange, fixing piece is provided on the flange, it is described solid
Part is determined for blend stop, and the both ends of the blend stop are connected by bolt with the end face of the test piece mould.
Shelves item is fixed on the end face of test piece mould by bolt by material impermeability detection device according to the present utility model
On, the waterproof material test specimen in test piece mould is made not squeezed out when being subject to certain pressure from test piece mould, improves test specimen
The connectivity robustness of mold and waterproof material test specimen, it is ensured that the accuracy of detection.
As preference, the end face of the test piece mould is provided with flange, fixing piece is provided on the flange, it is described solid
Part is determined for L-type catch, and the L-type catch is fixed by screws on the flange, and one end of the L-type catch is close to test specimen mould
Have and be provided with protrusion in the one side of inside, the groove to match with the protrusion is additionally provided on the flange.
Material impermeability detection device according to the present utility model, L-type catch are set by screw and test piece mould end face
Flange be movably connected, be provided with flange on test piece mould, the groove on flange passes through matched convex on L-type catch
It rises and fixes one end of L-type catch, the other end of L-type catch is fixed automatically therewith, using the other end of L-type catch by test specimen mould
Waterproof material in tool is fixed in test piece mould, make the waterproof material test specimen in test piece mould when being subject to certain pressure not
It can be squeezed out from test piece mould, improve the connectivity robustness of test piece mould and waterproof material test specimen, it is ensured that the accuracy of detection.When
When needing to observe the infiltration situation of the total waterproof material of test piece mould, can L-type catch be rotated by adjusting screw, make L-type catch not
The end face of test piece mould can be blocked, convenient for observation；Waterproof material test specimen is also allowed for simultaneously to inject from two end faces of test piece mould.
As preference, the aperture of multiple through holes is equal.
Material impermeability detection device according to the present utility model, equal may be such that in the aperture of through hole are put into waterproof therein
The dimensions of material is consistent, when carrying out impervious detection to different waterproof materials, enables different waterproof materials identical
Under the conditions of be detected, it is ensured that the accuracy of its impervious comparative analysis result.
As preference, multiple through holes are mutually staggered and are arranged on the side wall of the staving.
Material impermeability detection device according to the present utility model, what through hole mutually staggered is distributed on the side wall of staving,
The water oozed out in the through hole on staving top can be avoided to disturb the through hole infiltration situation of staving lower part, further ensure that detection
Accuracy.
As preference, the bottom of the side wall of the staving is additionally provided with outlet valve.
Material impermeability detection device according to the present utility model, waterproof material impervious detection can pass through water outlet when completing
Valve discharges the water inside staving, convenient and efficient.
As preference, the upper end of the side wall of the staving is symmetrically arranged with a pair of of handle.
Material impermeability detection device according to the present utility model, the sidewall upper of staving symmetrically set a pair of of handle,
Convenient carrying and transfer to staving, it is easy to use.
As preference, it is provided with reinforcing rib between the inner and outer wall of the staving.
Material impermeability detection device according to the present utility model, by reinforcing rib strengthen staving inner and outer wall between
Connectivity robustness, make the firm stable of staving entirety more preferably.
As preference, one end that fixing piece is provided on the test piece mould is additionally provided with multiple swingles.
Material impermeability detection device according to the present utility model adjusts test piece mould by swingle, makes test piece mould
It is easy to operate convenient for being screwed into through hole.
Description of the drawings
The utility model is described in further details in the following with reference to the drawings and specific embodiments.
Fig. 1 is a kind of structure diagram of embodiment of the material impermeability detection device of the utility model；
Fig. 2 is the top view of staving in Fig. 1；
Fig. 3 is the structure diagram of test piece mould in Fig. 1；
Fig. 4 is a kind of left views of embodiment of Fig. 3；
Fig. 5 is the left view of Fig. 3 another kind embodiments.
In more than figure：1 staving；101 inner walls；102 outer walls；103 reinforcing ribs；2 through holes；3 pressure gauges；4 test piece moulds；
401 grades of items；402L type catch；403 flange；5 pistons；501 piston rods；6 outlet valves；7 handles.
Specific embodiment
With reference to figure 1-3, a kind of material impermeability detection device of the utility model, including：Staving 1, the staving 1 it is interior
It is hollow between wall 101 and outer wall 102, is provided with to place multiple through holes 2 of test specimen on the side wall of the staving 1, it is described
Internal thread is provided on through hole 2, the bottom of the side wall of the staving 1 is provided with pressure gauge 3；Test piece mould 4, the test piece mould
4 be hollow tube, and external screw thread is provided on the outer wall of the hollow tube, and the external screw thread matches with the internal thread；The examination
It is provided with to fix the fixing piece of test specimen on the end face of part mold 4；Piston 5, the diameter of the piston 5 are equal to the staving 1
Inner wall 101 diameter, the piston 5 stretches into the inside of the staving 1 by the upper port of the staving 1, the piston 5 it is upper
End is connected with piston rod 501, and the upper end of the piston rod 501 is connected with forcing press.
In the embodiment above, mainly for detection of cementitious capillary waterproofing material, 101 He of inner wall of staving 1
Be between outer wall 102 it is hollow reduce 1 material utilization amount of staving, it is cost-effective and light, it is easy carry transfer.In test piece mould 4
For placing detected materials test specimen in blank pipe, test piece mould 4 and through hole 2 are by the external screw thread of mutual cooperation and internal thread by test specimen
Detected materials test specimen in mold 4 is placed in through hole 2, and test piece mould 4 is connected firmly with through hole 2, and test piece mould 4 is convenient for tearing open
It unloads, through hole 2 will not be damaged.The fixing piece set on the end face of test piece mould 4 will not when detected materials test specimen can be made to be under pressure
Through hole 2 is extruded, is fixed in by fixing piece in through hole 2.The pressure gauge 3 that the bottom of the side wall of staving 1 is set can be to material
Pressure in the impervious detection process of material is monitored in real time, gives piston rod 501 certain pressure by forcing press, piston rod
501 promote piston 5 to be moved from the upper port of staving 1 to the inside of staving 1, and 5 diameter of piston is equal with staving 1 inner wall, 101 diameters,
It can ensure that piston 5 and the leakproofness of staving 1 are good, water of the piston 5 in pushing course inside staving 1 is made not overflow upwards.
The specific detection method of material impermeability detection device of the utility model is：Its of inspection staving 1 is needed before detection
Whether he has water leakage situation in position, is first placed in sealing material in test piece mould 2, dense extrusion, and test piece mould 4 is logical with through hole 2
It crosses the external screw thread to cooperate the sealing material in test piece mould 4 is placed in through hole 2 with internal thread, through hole 2 is blocked completely,
The water filling into staving 1 checks whether the leakproofness of staving 1 is intact.
Then the intact material impermeability detection device of leakproofness is used to detect to the impermeability of waterproof material, it is specific to detect
Method is：Waterproof material is put into test piece mould 4, dense extrusion, treats its hardening；Circumferential in test piece mould 4 smears sealing
The sealing materials such as glue or paraffin, and the test piece mould 4 for being put into waterproof material is passed through into the external screw thread and internal thread of mutual cooperation
It is screwed into through hole 2；The slowly water filling into staving 1, the height of the water of injection should be than the through hole of the top setting on 1 side wall of staving
2 high more than the 2cm of height；Piston 5 is put into staving 1 again, piston 5 can be hard rubber material, and intensity is higher, hardness
It is larger, relatively stablize under room temperature load, be not easy to damage by pressure, and 1 inner wall 101 of staving is processed by shot blasting, make vulcanie piston 5 with
1 inner wall 101 of staving is fully sealed, impermeable；It is pressurizeed using forcing press to piston rod 501, promotes piston 5 under staving 1
Fang Yidong after pressure gauge 3 reaches the pressure that needs are simulated, maintains this pressure constant, after placing for 24 hours, observes waterproof material
The infiltration situation of test specimen, if the appearance sweat of the waterproof material test specimen in test piece mould 4, for unqualified waterproof material；If
The outer surface of waterproof material test specimen in test piece mould 4 is impermeable, then is qualified waterproof material.
The material impermeability detection device of the utility model can also simultaneously be detected different waterproof materials, and right
The impermeability of a variety of materials is compared analysis, determines optimal waterproof material, and specific detection method is：It is put in test piece mould 4
Enter different waterproof materials, and test piece mould 4 is screwed into respectively in different through holes 2, specific detection method is same as above, and observes test specimen
The infiltration situation of different waterproof materials in mold 4, and analysis is compared to its impermeability according to the infiltration height of waterproof material,
The infiltration height of waterproof material is lower, and the impermeability of waterproof material is better；The test method of waterproof material infiltration height is that will prevent
Water material test specimen rip cutting measures the infiltration height of its cut section；It also can be by measuring waterproof material before and after waterproof material infiltration
Weight difference calculates the water percolating capacity of waterproof material, and water percolating capacity is fewer, and the impermeability of waterproof material is better.
The material impermeability structure of the detecting device of the utility model is simple, easy to operate, and water is recorded in real time by pressure gauge 3
The impervious whether qualified of waterproof material judged by the leakage scenarios of waterproof material in test piece mould 4, and can pass through waterproof for pressure
The infiltration height or water percolating capacity of material are compared analysis to the impermeability of different waterproof materials, help to select better waterproof
Material.Stressed form is applied with feedwater to simulate if the water that certain pressure is carried in Tunnel Engineering and underground engineering is to building
The influence of structure, device is easy to operate, and accuracy is high.
In addition, material impermeability detection device provided by the utility model can have following additional embodiment：
With reference to figure 3 and Fig. 4, one embodiment according to the present utility model, the end face of the test piece mould 4 is provided with flange
403, be provided with fixing piece on the flange 403, the fixing piece is blend stop 401, the both ends of the blend stop 401 by bolt with
The end face of the test piece mould 4 is connected.
In the embodiment above, shelves item 401 is fixed on the end face of test piece mould 4 by bolt, made in test piece mould 4
Waterproof material test specimen will not be squeezed out when being subject to certain pressure from test piece mould 4, improve test piece mould 4 and waterproof material
The connectivity robustness of test specimen, it is ensured that the accuracy of detection.
With reference to figure 3 and Fig. 5, another embodiment according to the present utility model, the end face of the test piece mould 4, which is provided with, to be turned over
Side 403 is provided with fixing piece on the flange 403, and the fixing piece is L-type catch 402, and the L-type catch 402 passes through screw
It being fixed on the flange 403, one end of the L-type catch 402 is provided with protrusion in the one side of 4 inside of test piece mould,
The groove to match with the protrusion is additionally provided on the flange 403.
In the embodiment above, L-type catch 402 is connected by the flange 403 that screw and 4 end face of test piece mould are set in activity
It connects, is provided with flange 403 on test piece mould 4, the groove on flange 403 passes through protrusion matched on L-type catch 402 will
One end of L-type catch 402 is fixed, and the other end of L-type catch 402 is fixed automatically therewith, will using the other end of L-type catch 402
Waterproof material in test piece mould 4 is fixed in test piece mould 4, and the waterproof material test specimen in test piece mould 4 is made to be subject to centainly
Pressure when will not be squeezed out from test piece mould 4, improve the connectivity robustness of test piece mould 4 and waterproof material test specimen, it is ensured that inspection
The accuracy of survey.When needing to observe the infiltration situation of 4 total waterproof material of test piece mould, can L-type be rotated by adjusting screw and kept off
Piece 402 makes L-type catch 402 not block the end face of test piece mould 4, convenient for observation；Waterproof material test specimen is also allowed for from examination simultaneously
Two end faces injection of part mold 4.
One embodiment according to the present utility model, the aperture of multiple through holes 2 are equal.
In the embodiment above, the aperture of through hole 2 is equal may be such that the dimensions for being put into waterproof material therein is consistent,
When carrying out impervious detection to different waterproof materials, different waterproof materials is enable to be detected at identical conditions, it is ensured that
The accuracy of its impervious comparative analysis result.
With reference to figure 1, one embodiment according to the present utility model, multiple through holes 2, which mutually stagger, is arranged at the bucket
On the side wall of body 1.
In the embodiment above, what through hole 2 mutually staggered is distributed on the side wall of staving 1, can avoid the logical of 1 top of staving
The water oozed out in hole 2 disturbs the 2 infiltration situation of through hole of 1 lower part of staving, further ensures that the accuracy of detection.
With reference to figure 1, one embodiment according to the present utility model, the bottom of the side wall of the staving 1 is additionally provided with water outlet
Valve 6.
In the embodiment above, the water inside staving 1 can be arranged by outlet valve 6 when the impervious detection of waterproof material is completed
Go out, it is convenient and efficient.
With reference to figure 1, one embodiment according to the present utility model, the upper end of the side wall of the staving 1 is symmetrically arranged with one
To handle 7.
In the embodiment above, the sidewall upper of staving 1 symmetrically sets a pair of of handle 7, convenient carrying to staving 1 and
Transfer, it is easy to use.
With reference to figure 2, one embodiment according to the present utility model is set between the inner wall 101 of the staving 1 and outer wall 102
It is equipped with reinforcing rib 103.
In the embodiment above, being connected firmly between the inner wall 101 of staving 1 and outer wall 102 is strengthened by reinforcing rib 103
Property, the firm stable for making staving 1 whole is more preferably.
With reference to figure 3, one embodiment according to the present utility model is provided with one end of fixing piece on the test piece mould 4
It is additionally provided with multiple swingles.
In the embodiment above, test piece mould 4 is adjusted by swingle, makes test piece mould 4 convenient for being screwed into through hole 2,
It is easy to operate.
Obviously, those skilled in the art can carry out the utility model various modification and variations without departing from this practicality
New spirit and scope.If in this way, these modification and variations of the utility model belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to comprising including these modification and variations.
Claims (9)
1. a kind of material impermeability detection device, which is characterized in that including：
Staving (1) is hollow between the inner wall (101) of the staving (1) and outer wall (102), is set on the side wall of the staving (1)
It is equipped with to place multiple through holes (2) of test specimen, internal thread, the bottom of the side wall of the staving (1) is provided on the through hole (2)
Portion is provided with pressure gauge (3)；
Test piece mould (4), the test piece mould (4) are hollow tube, and external screw thread is provided on the outer wall of the hollow tube, described outer
Screw thread matches with the internal thread；It is provided with to fix the fixing piece of test specimen on the end face of the test piece mould (4)；
Piston (5), the diameter of the piston (5) are equal to the diameter of the inner wall (101) of the staving (1), and the piston (5) is by institute
The upper port for stating staving (1) stretches into the inside of the staving (1), and the upper end of the piston (5) is connected with piston rod (501), institute
The upper end for stating piston rod (501) is connected with forcing press.
2. material impermeability detection device according to claim 1, which is characterized in that the end face of the test piece mould (4)
Flange (403) is provided with, fixing piece is provided on the flange (403), the fixing piece is blend stop, and the both ends of the blend stop lead to
The end face that bolt is crossed with the test piece mould (4) is connected.
3. material impermeability detection device according to claim 1, which is characterized in that the end face of the test piece mould (4)
Flange (403) is provided with, is provided with fixing piece on the flange (403), the fixing piece is L-type catch (402), the L-type
Catch (402) is fixed by screws on the flange (403), and one end of the L-type catch (402) is close to test piece mould (4)
Protrusion is provided in the one side of inside, the groove to match with the protrusion is additionally provided on the flange (403).
4. material impermeability detection device according to claim 1, which is characterized in that the aperture of multiple through holes (2)
It is equal.
5. material impermeability detection device according to claim 1, which is characterized in that multiple through holes (2) are mutually wrong
It opens up and is placed on the side wall of the staving (1).
6. material impermeability detection device according to claim 1, which is characterized in that the bottom of the side wall of the staving (1)
Portion is additionally provided with outlet valve (6).
7. material impermeability detection device according to claim 1, which is characterized in that the side wall of the staving (1) it is upper
End is symmetrically arranged with a pair of of handle (7).
8. material impermeability detection device according to claim 1, which is characterized in that the inner wall (101) of the staving (1)
Reinforcing rib (103) is provided between outer wall (102).
9. material impermeability detection device according to claim 1, which is characterized in that set on the test piece mould (4)
The one end for having fixing piece is additionally provided with multiple swingles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721523963.5U CN207439875U (en) | 2017-11-15 | 2017-11-15 | A kind of material impermeability detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721523963.5U CN207439875U (en) | 2017-11-15 | 2017-11-15 | A kind of material impermeability detection device |
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| Publication Number | Publication Date |
|---|---|
| CN207439875U true CN207439875U (en) | 2018-06-01 |
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ID=62289576
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721523963.5U Expired - Fee Related CN207439875U (en) | 2017-11-15 | 2017-11-15 | A kind of material impermeability detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088777A (en) * | 2017-11-15 | 2018-05-29 | 长安大学 | A kind of material impermeability detection device and its detection method |
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2017
- 2017-11-15 CN CN201721523963.5U patent/CN207439875U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088777A (en) * | 2017-11-15 | 2018-05-29 | 长安大学 | A kind of material impermeability detection device and its detection method |
| CN108088777B (en) * | 2017-11-15 | 2024-02-27 | 长安大学 | Material impermeability detection device and detection method thereof |
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