CN207874578U - A kind of powder claims exhaust apparatus - Google Patents
A kind of powder claims exhaust apparatus Download PDFInfo
- Publication number
- CN207874578U CN207874578U CN201820172182.4U CN201820172182U CN207874578U CN 207874578 U CN207874578 U CN 207874578U CN 201820172182 U CN201820172182 U CN 201820172182U CN 207874578 U CN207874578 U CN 207874578U
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- China
- Prior art keywords
- plate
- bucket body
- powder
- weighing bucket
- return plate
- Prior art date
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Links
- 239000000843 powder Substances 0.000 title claims abstract description 54
- 238000005303 weighing Methods 0.000 claims abstract description 67
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 description 9
- 239000007789 gas Substances 0.000 description 9
- 238000007789 sealing Methods 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 208000030303 breathing problems Diseases 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Landscapes
- Supply Of Fluid Materials To The Packaging Location (AREA)
Abstract
The utility model provides a kind of powder and claims exhaust apparatus, include the weighing bucket body with inner cavity chamber and several sensors, all the sensors are installed on the agitator tank of mixing plant, the weighing bucket body is only by sensor support, weighing bucket body top is provided with feed pipe, weighing bucket body lower part is provided with discharge nozzle, the butterfly valve fallen for controlling powder is installed in the discharge nozzle, weighing bucket body top is also equipped with the hermetic bag for balancing air pressure in weighing bucket body, the exhaust-assisting device for assisting hermetic bag to be vented is provided in the hermetic bag, the back-flow preventer that feed pipe input terminal is entered to for the gas of anti-stop-band powder is provided in the feed pipe.The utility model proposes a kind of powder claim exhaust apparatus, can prevent powder from going out feed pipe with air blow back when weighing bucket body claims powder；Exhaust-assisting device is provided in hermetic bag, when having claimed powder, the extension spring stretchy hermetic bag of exhaust-assisting device is shunk, and the remaining powder in weighing bucket body can be blown in blender.
Description
Technical field
The utility model is related to concrete production equipment fields, and in particular to a kind of powder claims exhaust apparatus.
Background technology
Powder weighing device is used to weigh powder before concrete mixes in the field of construction, quantitatively to mix coagulation
Soil, the component in device for carrying powder are weighing bucket bodies, and weighing bucket body top is connected with feed screw, weighing bucket body lower part with stir
Machine connection is mixed, can be blown out by air since powder enters in weighing bucket body, and is got into the air, air quality can be influenced, operator
Breathing problem is will produce after this environmental work for a long time, therefore in the prior art, powder weighing device is in order to prevent
For powder by gas blowing out device, device body is all sealing.
However, after the completion of powder is weighed in weighing bucket body, needs to fall to the powder in weighing bucket body from discharge port and stir
Mix in machine, since weighing bucket body feed inlet is connected to feed screw, air pressure inside with it is external identical when, air often from
Feed inlet enters in weighing bucket body, and the effect for being used to accommodate the discharge of the air in the equilibrium air pressure hermetic bag of air is not very
It is ideal, it would be desirable to, the air in hermetic bag can be discharged as possible so that it is convenient to accommodate air next time to balance weighing bucket body
Interior air pressure.Therefore be currently badly in need of it is a kind of can in more preferable bag air hermetic bag.
Utility model content
The problem of being stuff discharge in current hermetic bag to be solved in the utility model, for being deposited in the prior art
It is above-mentioned insufficient and a kind of powder is provided and claims exhaust apparatus.
To achieve the above object, the utility model uses the following technical solution：
A kind of powder claims exhaust apparatus, includes that weighing bucket body with inner cavity chamber and several sensors, all the sensors are equal
On the agitator tank of mixing plant, for the weighing bucket body only by sensor support, weighing bucket body top is provided with feed pipe, claims
Bucket body lower part is provided with discharge nozzle, and the butterfly valve fallen for controlling powder is equipped in the discharge nozzle, and weighing bucket body top is also pacified
Equipped with the hermetic bag for balancing air pressure in weighing bucket body, the exhaust-assisting for assisting hermetic bag to be vented is provided in the hermetic bag
Device is provided with the back-flow preventer that feed pipe input terminal is entered to for the gas of anti-stop-band powder in the feed pipe.
Further, the exhaust-assisting device includes three extension springs and a center-pole, and hermetic bag top is fixed on one
In support plate, hermetic bag bottom end is connected to weighing bucket body, and the center-pole upper end is fixed with support plate, and the center-pole lower end passes through
Three fixed links are fixed on weighing bucket body, and angle is 120 degree between adjacent two fixed link, and described three extension spring one end are equal
It is fixed in the middle part of center-pole, each extension spring other end is connected separately with a fixinig plate, and the fixinig plate is mounted on hermetic bag
On, with when air enters in hermetic bag and hermetic bag expand when extension spring extend, when powder leaks down from discharge nozzle and
When hermetic bag reduces, extension spring spring energy auxiliary seal bag reduces.
Further, the back-flow preventer includes anti-return plate, torsional spring, limiting plate and spring base；
Wherein, feed pipe cross section is rectangular, and Telescopic Fixed seat is fixed on charging inside pipe wall, and near side (ns) is leaned on anti-return plate
A rotation hole for running through anti-return plate is offered at edge, opens up two opposite mounting holes on charging inside pipe wall, a shaft passes through
The rotation hole of anti-return plate, and shaft both ends can be respectively protruding into mounting hole, and anti-return plate can be rotated relative to shaft；Into
It is fixed with a spring base being located at by anti-return plate on expects pipe inner wall, torsional spring is installed on spring base, and one end is against
Anti-return plate lower part feeds and is also equipped with one on inside pipe wall for limiting the limiting plate that anti-return plate is rotated up, the limit
Plate is mounted obliquely within above shaft, so that the powder fallen can be dropped down onto along the inclined-plane of limiting plate on anti-return plate, in torsional spring
Anti-return plate can be made to be pressed on limiting plate under effect, and anti-return plate is in level when anti-return plate is pressed on limiting plate
Position.
Further, the back-flow preventer includes anti-return plate, limiting plate and a reply component；
Wherein, feed pipe cross section is rectangular, and Telescopic Fixed seat is fixed on charging inside pipe wall, and near side (ns) is leaned on anti-return plate
A rotation hole for running through anti-return plate is offered at edge, opens up two opposite mounting holes on charging inside pipe wall, a shaft passes through
The rotation hole of anti-return plate, and shaft both ends can be respectively protruding into mounting hole, and anti-return plate can be rotated relative to shaft；
It is fixed with a reply component being located at below anti-return plate on charging inside pipe wall, and replys component and is located under shaft
Side, the reply component includes compressed spring, shank and guide, and the shank is placed through the compressed spring in guide, pin
Body one end is head, and the shank other end is tail portion, and guide is stretched out in shank head and tail portion, and shank is located at the peace of the part in guide
Equipped with a spacing collar, and compressed spring one end is against on spacing collar, and the compressed spring other end is against on guide inner wall, compressed spring
Telescopic direction is parallel with guide length direction, and shank head can be kept to stretch out the state of guide, institute under the elastic force of compressed spring
It states guide and is mounted obliquely on charging inside pipe wall, shank head is higher than shank tail portion, and guide includes the part dew of shank tail portion
Expects pipe outer wall is fed in, shank head is located at below the anti-return plate, and shank head can be against anti-return plate lower part, with
A shank head part can be pressed into guide after the rotation of anti-return plate, the limiting plate is located above shaft, and limiting plate tilts
Ground is mounted on charging inside pipe wall, and anti-return plate has the tendency that being rotated up under the elastic force of compressed spring, and at anti-return plate
Top can be against on limiting plate when horizontal position.
Compared with the prior art, the utility model has the advantages that：
1, when weighing bucket body claims powder, the one-way flow of back-flow preventer acts on, and can prevent powder from going out with air blow back
Feed pipe；
2, exhaust-assisting device is provided in hermetic bag, when weighing bucket body claims powder, hermetic bag can overcome extension spring resistance
The effect that inside weighing bucket body and external pressure balances is realized in expansion, and when having claimed powder, the extension spring of exhaust-assisting device can be drawn
Dynamic sealing bag is shunk, and can also further be blown to remaining powder in weighing bucket body in the blender below weighing bucket body, due to preventing back
Flowing plate anti-return acts on, so that the gas in hermetic bag can only blow to discharge nozzle, can be blown to the remaining powder in weighing bucket body
In blender；
3, remaining powder in weighing bucket body has been blown in blender due to exhaust-assisting device, so exhaust-assisting device can be with
Instead of the vibrator on weighing bucket body, electric energy is saved, reduces extra operation, improves the efficiency of work.
Part is illustrated to embody by the further advantage, target and feature of the utility model by following, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Description of the drawings
Fig. 1 is utility model overall schematic；
Fig. 2 is hermetic bag top view illustration；
Fig. 3 is a kind of back-flow preventer schematic cross-sectional view；
Fig. 4 is a kind of back-flow preventer schematic cross-sectional view；
Fig. 5 is to reply component sectional view.
Reference numeral is in figure：Weighing bucket body 1, sensor 11, feed pipe 12, discharge nozzle 13, feed screw 2, hermetic bag
3, exhaust-assisting device 31, extension spring 311, center-pole 312, fixinig plate 313, back-flow preventer 4, anti-return plate 41, torsional spring 42,
Limiting plate 43, replys component 45, compressed spring 451, shank 452, spacing collar 4521, guide 453 at spring base 44.
Specific implementation mode
In order to make, technological means of the utility model, creation characteristic, reached purpose and effect are more clear and are easy to
Understand, 1-5 and specific implementation mode are further elaborated the utility model below in conjunction with the accompanying drawings：
A kind of powder claims exhaust apparatus, includes weighing bucket body 1 and several sensors 11 with inner cavity chamber, all the sensors
11 are installed on the agitator tank of mixing plant, and the weighing bucket body 1 is only supported by sensor 11, is thus claimed by sensor 11
Powder in bucket body 1, since this is the prior art, which is not described herein again, and 1 top of weighing bucket body is provided with feed pipe 12, claims
1 lower part of bucket body is provided with discharge nozzle 13, is equipped with the butterfly valve fallen for controlling powder in the discharge nozzle 13, on weighing bucket body 1
Portion is also equipped with the hermetic bag 3 for balancing air pressure in weighing bucket body 1, and a stereoplasm tube is equipped on 1 top of weighing bucket body, and hermetic bag
3 are connected to stereoplasm tube, and the exhaust-assisting device 31 for assisting hermetic bag 3 to be vented, institute are provided in hermetic bag 3 described in hermetic bag 3
State the back-flow preventer 4 for being provided in feed pipe 12 and entering to 12 input terminal of feed pipe for the gas of anti-stop-band powder.
Further, the exhaust-assisting device 31 includes three extension springs 311 and a center-pole 312,3 top of hermetic bag
It is fixed in a support plate, 3 bottom end of hermetic bag is connected to weighing bucket body 1, and 312 upper end of the center-pole is fixed with support plate, described
312 lower end of center-pole is fixed on by three fixed links on the hard inside pipe wall on weighing bucket body 1, and is pressed from both sides between adjacent two fixed link
Angle is 120 degree, so that 3 uniform force of hermetic bag, three extension springs, 311 one end is all secured to 312 middle part of center-pole, often
One extension spring, 311 other end is connected separately with a fixinig plate 313, and the fixinig plate 313 is mounted in hermetic bag 3, fixinig plate
313 are encased by hermetic bag 3, with extension spring 311 extends when air enters in hermetic bag 3 and when hermetic bag 3 expands, work as powder
When material leaks down from discharge nozzle 13 and when hermetic bag 3 reduces, 311 spring energy auxiliary seal bag 3 of extension spring reduces.The prior art
In, weighing bucket body 1 is substantially sealing, but since hermetic bag 3 cannot reduce automatically, so hermetic bag 3 accommodates the ability of air
It is very poor, and after the utility model designs in this way, on the basis of preventing the powder in weighing bucket body 1 to be blown out weighing bucket body 1, also
It can guarantee that weighing bucket body 1 is shunk, so that its next time can accommodate more air.
Further, the back-flow preventer 4 includes anti-return plate 41, torsional spring 42, limiting plate 43 and spring base 44；
Wherein, 12 cross section of feed pipe is rectangular, and Telescopic Fixed seat is fixed on 12 inner wall of feed pipe, on anti-return plate 41
A rotation hole for running through anti-return plate 41 is offered close to edge, two opposite mounting holes are opened up on 12 inner wall of feed pipe,
One shaft passes through the rotation hole of anti-return plate 41, and shaft both ends can be respectively protruding into mounting hole, and anti-return plate 41 can phase
Countershaft rotates；It is fixed with a spring base 44 for being located at 41 side of anti-return plate on 12 inner wall of feed pipe, pacifies on spring base 44
Equipped with torsional spring 42, and 42 one end of torsional spring is against 41 lower part of anti-return plate, and it is anti-for limiting that one is also equipped on 12 inner wall of feed pipe
The limiting plate 43 that back flow plate 41 is rotated up, the limiting plate 43 is mounted obliquely within above shaft, so that the powder energy fallen
It is dropped down onto on anti-return plate 41 along the inclined-plane of limiting plate 43, anti-return plate 41 can be made to be pressed on limiting plate 43 under the effect of torsional spring 42
On, and anti-return plate 41 is horizontal when anti-return plate 41 is pressed on limiting plate 43, horizontal position can guarantee best
Anti-return effect.In back-flow preventer 4, the effect of anti-return plate 41 is, first, enter the process of weighing bucket body 1 in powder
In, prevent the gas in weighing bucket body 1 from being flowed back to powder in the feed screw 2 of 1 top of weighing bucket body, second, in weighing bucket body 1
It when weighing, can prevent in the gas backflow to feed pipe 12 in weighing bucket body 1, so that more gases enter in hermetic bag 3.
Further, the utility model provides another preferred embodiment, and the back-flow preventer 4 includes anti-return
Plate 41, limiting plate 43 and one reply component 45；
Wherein, 12 cross section of feed pipe is rectangular, and Telescopic Fixed seat is fixed on 12 inner wall of feed pipe, on anti-return plate 41
A rotation hole for running through anti-return plate 41 is offered close to edge, two opposite mounting holes are opened up on 12 inner wall of feed pipe,
One shaft passes through the rotation hole of anti-return plate 41, and shaft both ends can be respectively protruding into mounting hole, and anti-return plate 41 can phase
Countershaft rotates, essentially identical with a upper embodiment herein；
It is fixed with a reply component 45 being located at below anti-return plate 41 on 12 inner wall of feed pipe, and replys component 45
Below shaft, the reply component 45 includes compressed spring 451, shank 452 and guide 453, and the shank 452 passes through position
In the compressed spring 451 in guide 453,452 one end of shank is head, and 452 other end of shank is tail portion, 452 head of shank and
Guide 453 is stretched out in tail portion, 452 tail portion of shank stretch out guide 453 be because shank 452 can be allowed with respect to the movement of guide 453, and
And 452 head of shank will not enter in guide 453, shank 452 is located at the part in guide 453 and is equipped with a spacing collar 4521,
And 451 one end of compressed spring is against on spacing collar 4521,451 other end of compressed spring is against on 453 inner wall of guide, compressed spring
451 telescopic direction are parallel with 453 length direction of guide, and 452 head of shank can be kept to stretch out pin under the elastic force of compressed spring 451
The state of set 453, the guide 453 are mounted obliquely on 12 inner wall of feed pipe, and 452 head of shank is higher than 452 tail portion of shank, and
Guide 453 includes that the part of 452 tail portion of shank is exposed to 12 outer wall of feed pipe, and 452 head of shank is located at the anti-return plate 41
Lower section, and 452 head of shank can be against 41 lower part of anti-return plate, with work as can be by 452 head of shank after anti-return plate 41 rotates
A part is pressed into guide 453, and the limiting plate 43 is located above shaft, and limiting plate 43 is mounted obliquely within 12 inner wall of feed pipe,
Anti-return plate 41 has the tendency that being rotated up under the elastic force of compressed spring 451, and when anti-return plate 41 is horizontal
Top can be against on limiting plate 43, and anti-return plate 41 and upper embodiment anti-return plate 41 act on identical herein, reply component 45
It is also identical with the effect of torsional spring 42, so repeating no more.
The utility model use principle is：Powder is delivered to from feed pipe 12 in weighing bucket body 1 through feed screw 2, due to
Powder volume occupies the volume in weighing bucket body 1, so gas enters in hermetic bag 3 so that hermetic bag 3 overcomes extension spring
311 resistances expand, and when sensor 11 claims to be over powder in weighing bucket body 1, open the butterfly valve of 1 lower part of weighing bucket body, powder from
Weighing bucket body 1 is fallen in the blender of lower section, will be in weighing bucket body 1 in hermetic bag 3 under 311 collective effect of gas and extension spring
Only surplus some powders are blown in blender, are used exhaust-assisting device 31 instead of traditional vibrator in this way, are equivalent to and simplify
Structure saves the operating procedure for opening vibrator, saves power consumption electric energy so that production cost reduces.
Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those of ordinary skill in the art that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the right of the utility model.
Claims (4)
- Include that weighing bucket body and several sensors, all the sensors with inner cavity chamber are pacified 1. a kind of powder claims exhaust apparatus On the agitator tank of mixing plant, for the weighing bucket body only by sensor support, weighing bucket body top is provided with feed pipe, weighing bucket Body lower part is provided with discharge nozzle, and the butterfly valve fallen for controlling powder is equipped in the discharge nozzle, and weighing bucket body top is also installed It is useful for the hermetic bag of air pressure in balance weighing bucket body, which is characterized in that be provided in the hermetic bag for assisting hermetic bag to arrange The exhaust-assisting device of gas is provided in the feed pipe and enters to preventing back for feed pipe input terminal for the gas of anti-stop-band powder Flow device.
- 2. a kind of powder according to claim 1 claims exhaust apparatus, which is characterized in that the exhaust-assisting device includes three Extension spring and a center-pole, hermetic bag top are fixed in a support plate, and hermetic bag bottom end is connected to weighing bucket body, the center Bar upper end is fixed with support plate, and the center-pole lower end is fixed on by three fixed links on weighing bucket body, and adjacent two fixed link Between angle be 120 degree, described three extension spring one end are all secured in the middle part of center-pole, each extension spring other end difference It is connected with a fixinig plate, the fixinig plate is mounted in hermetic bag, with when air enters in hermetic bag and hermetic bag expands When extension spring extend, when powder leaks down from discharge nozzle and hermetic bag reduce when, extension spring spring energy auxiliary seal bag contracting It is small.
- 3. a kind of powder according to claim 1 or 2 claims exhaust apparatus, which is characterized in that the back-flow preventer includes Anti-return plate, torsional spring, limiting plate and spring base；Wherein, feed pipe cross section is rectangular, and Telescopic Fixed seat is fixed on charging inside pipe wall, close to edge on anti-return plate A rotation hole for running through anti-return plate is offered, two opposite mounting holes are opened up on charging inside pipe wall, a shaft, which passes through, prevents back The rotation hole of flowing plate, and shaft both ends can be respectively protruding into mounting hole, and anti-return plate can be rotated relative to shaft；In feed pipe It is fixed with a spring base being located at by anti-return plate on inner wall, torsional spring is installed on spring base, and one end is against and prevents back Flowing plate lower part feeds and is also equipped with one on inside pipe wall for limiting the limiting plate that anti-return plate is rotated up, and the limiting plate inclines It is tiltedly mounted on above shaft, so that the powder fallen can be dropped down onto along the inclined-plane of limiting plate on anti-return plate, is acted in torsional spring Under anti-return plate can be made to be pressed on limiting plate, and anti-return plate is in horizontal position when anti-return plate is pressed on limiting plate It sets.
- 4. a kind of powder according to claim 1 or 2 claims exhaust apparatus, which is characterized in that the back-flow preventer includes Anti-return plate, limiting plate and one reply component；Wherein, feed pipe cross section is rectangular, and Telescopic Fixed seat is fixed on charging inside pipe wall, close to edge on anti-return plate A rotation hole for running through anti-return plate is offered, two opposite mounting holes are opened up on charging inside pipe wall, a shaft, which passes through, prevents back The rotation hole of flowing plate, and shaft both ends can be respectively protruding into mounting hole, and anti-return plate can be rotated relative to shaft；It is fixed with a reply component being located at below anti-return plate on charging inside pipe wall, and replys component and is located at below shaft, The reply component includes compressed spring, shank and guide, and the shank is placed through the compressed spring in guide, shank one End is head, and the shank other end is tail portion, and guide is stretched out in shank head and tail portion, and the part that shank is located in guide is equipped with One spacing collar, and compressed spring one end is against on spacing collar, the compressed spring other end is against on guide inner wall, and compressed spring is flexible Direction is parallel with guide length direction, and shank head can be kept to stretch out the state of guide, the pin under the elastic force of compressed spring Set is mounted obliquely on charging inside pipe wall, and shank head is higher than shank tail portion, and guide include shank tail portion part expose to Pipe outer wall is fed, shank head is located at below the anti-return plate, and shank head can be against anti-return plate lower part, with when anti- A shank head part can be pressed into guide, the limiting plate is located above shaft, and limiting plate is obliquely pacified after back flow plate rotation Mounted in charging inside pipe wall, anti-return plate has the tendency that being rotated up under the elastic force of compressed spring, and when anti-return plate is in water Top can be against on limiting plate when prosposition is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820172182.4U CN207874578U (en) | 2018-01-31 | 2018-01-31 | A kind of powder claims exhaust apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820172182.4U CN207874578U (en) | 2018-01-31 | 2018-01-31 | A kind of powder claims exhaust apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207874578U true CN207874578U (en) | 2018-09-18 |
Family
ID=63509460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820172182.4U Expired - Fee Related CN207874578U (en) | 2018-01-31 | 2018-01-31 | A kind of powder claims exhaust apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207874578U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426221A (en) * | 2020-05-18 | 2020-07-17 | 安徽东能换热装备有限公司 | Half-and-half type up-and-down assembled heat exchanger and assembling method thereof |
-
2018
- 2018-01-31 CN CN201820172182.4U patent/CN207874578U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426221A (en) * | 2020-05-18 | 2020-07-17 | 安徽东能换热装备有限公司 | Half-and-half type up-and-down assembled heat exchanger and assembling method thereof |
| CN111426221B (en) * | 2020-05-18 | 2021-06-15 | 安徽东能换热装备有限公司 | Half-and-half type up-and-down assembled heat exchanger and assembling method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190923 Address after: No. 13 Longqiao Road, Tongliang Industrial Park, Chongqing 400000 Patentee after: CHONGQING FUDIAN ARCHITECTURAL INDUSTRIALIZATION PRODUCT Co.,Ltd. Address before: 400714 Dadi village, town of water and soil, Beibei District, Chongqing Patentee before: CHONGQING FUHUANG BUILDING MATERIAL CO.,LTD. |
|
| 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: 20180918 |