CN109667428A - A kind of construction carrying inflatable cement protective device - Google Patents
A kind of construction carrying inflatable cement protective device Download PDFInfo
- Publication number
- CN109667428A CN109667428A CN201811458480.0A CN201811458480A CN109667428A CN 109667428 A CN109667428 A CN 109667428A CN 201811458480 A CN201811458480 A CN 201811458480A CN 109667428 A CN109667428 A CN 109667428A
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- CN
- China
- Prior art keywords
- plate
- wheel
- top plate
- air
- air bag
- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/162—Handles to carry construction blocks
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
- E04G21/28—Safety or protective measures preventing damage to building parts or finishing work during construction against unfavourable weather influence
Abstract
The invention discloses a kind of construction carrying inflatable cement protective devices, its structure includes balloon occlusion device, top plate, umbrella plate, drying device, column, backing plate, bottom plate, stabilizer blade, from cleaning wheel, bottom base plate is vertically connected with stabilizer blade, stabilizer blade bottom is equipped with from cleaning wheel, backing plate is connected on bottom plate, top plate is located above backing plate and parallel therewith, it is connected among the two by column, umbrella plate is connected at the top of top plate, drying device is installed on top plate, balloon occlusion device is located between bottom plate and top plate, balloon occlusion device is by air compressor, air hose, air bag, iron hoop, permanent magnet ring, drawstring, pulley composition, air bag is cylinder, it is connected at the top of air bag with top plate, the beneficial effects of the present invention are: being closed and being opened by inflation to cylindrical airbag and pumping, more to the protection of cement Quickly, it avoids unexpected heavy rain from having little time to collect, reduces loss.
Description
Technical field
The present invention relates to construction cement to protect apparatus field, and inflatable is used in specifically a kind of construction carrying
Cement protective device.
Background technique
Construction refers generally to build a house or fit up, and cement, when the time of construction is long, cement are usually used in construction
It is deposited in outdoor, dampness is easy, so needing to protect cement.
Current cement protective device has that disclosed application No. is 201711064084.5 construction to be protected with cement
Device, but the device needs one bag one bag to the storage and taking-up of cement and grabs, and low efficiency influences construction efficiency, prominent
It can not be collected in time in face of hair heavy rain, be frequently necessary to carry cement when being subject to lose, and constructing, go up a slope
The midway Shi Ruguo there is not strength pushing equipment, and equipment can glide automatically, if when using brake universal wheel, if in pause time of going up a slope
Number is more, needs to operate brake repeatedly, accidentally drops and be easy that equipment is made to glide, and construction site is generally soil, movable pulley becomes easily infected by
Soil makes rotating axis locking, increases resistance.
Summary of the invention
It is a primary object of the present invention to overcome the deficiencies of the prior art and provide a kind of construction carrying inflatable water
Mud protective device.
The present invention adopts the following technical scheme that realize: a kind of construction carrying inflatable cement protective device,
Structure include balloon occlusion device, top plate, umbrella plate, drying device, column, backing plate, bottom plate, stabilizer blade, from cleaning wheel, the bottom plate
Bottom is vertically connected with stabilizer blade, and the stabilizer blade bottom is equipped with from cleaning wheel, and backing plate is connected on the bottom plate, and the top plate is set
It is above backing plate and parallel therewith, it is connected among the two by column, is connected with umbrella plate, the top plate at the top of the top plate
On drying device is installed, the balloon occlusion device is located between bottom plate and top plate, and the balloon occlusion device is by air pressure
Contracting machine, air hose, air bag, iron hoop, permanent magnet ring, drawstring, pulley composition, the air bag are cylinder, the air bag top and top
Plate is connected, and iron hoop is equipped at the top of the air bag, and the iron hoop fits with the permanent magnet ring being located on bottom plate, the iron hoop and
Drawstring is connected, and the drawstring bypasses the pulley for being mounted on top plate side, passes through air hose at the top of the air bag and is located on top plate
The air compressor of side is connected.
As optimization, the drying device is made of escape pipe, blower, air inlet pipe, quick lime layer, and the blower is set respectively
There are escape pipe, air inlet pipe, the outlet of the escape pipe, air inlet pipe is each provided at below top plate, is equipped with raw stone in the air inlet pipe
Grieshoch.
It is described to be made of from cleaning wheel clearing apparatus, movable pulley, wheel carrier, wheel shaft, brake, ratchet as optimization, it is described
It is mounted on wheel carrier among movable pulley by wheel shaft, the wheel carrier is connected with stabilizer blade bottom, and the movable pulley front concaves
Falling into has circular trough, ratchet is evenly distributed on the side of the circular trough, the ratchet is matched with brake, the brake
Bottom is connected with wheel carrier, and the mobile wheel side is equipped with clearing apparatus.
As optimization, the clearing apparatus is by bracket, shaft, brush roll, driven wheel, active wheels at the brush roll is located at
Mobile wheel side, the brush roll is rack-mount by shaft, and the bracket is connected with wheel carrier, the shaft be connected with from
Driving wheel, the driven wheel are meshed with the driving wheel for being located at side, and the driving wheel is connected with wheel shaft.
As optimization, the side of the brush roll is the arc shape of indent, is just matched with the arc of mobile wheel side.
As optimization, the brake is made of pawl, elastic force bar, limited block, spring, rod set, the rod set bottom with
Wheel carrier is connected, and is hollow structure inside the rod set, limited block, bottom in the limited block and rod set are equipped in the rod set
Between be connected with spring, the limited block is connected with elastic force bar bottom, is connected with pawl, the pawl at the top of the elastic force bar
It is matched with ratchet.
As optimization, the bristle of the brush roll is plastics hair.
As optimization, the angle of the umbrella plate is 130.
Beneficial effect
When the present invention is used for construction site, by the evacuating air in air bag, then drawstring is pulled to move up iron hoop, make to push up
It does not block between plate, backing plate, directly bag of cement is stored on backing plate, be also easy to take in construction usage, directly haul out
, when meeting rainy, air bag is inflated by air compressor, it is logical that air bag is filled with a gas into cylindrical and bottom
It crosses iron hoop to be adsorbed on permanent magnet ring, is sealed top plate, backing plate, start blower, internal air is taken out by air inlet pipe
Enter, moisture is absorbed when air passes through quick lime layer, is then entered back into inside, is absorbed by circulation air to moisture, is protected
It holds and is air-dried, prevent cement from making moist, in mobile go up a slope, be able to carry out list since the ratchet on movable pulley is matched with pawl
To movement, when letting go, pawl can block ratchet, make movable pulley that can not glide, and can repeatedly pause when going up a slope, will not it is automatic under
The phenomenon that sliding, movement is more easier, and fault is avoided to glide, and will drive driving wheel rotation when movable pulley movement, driving wheel drives
Driven wheel rotation makes brush roll rotation to cleaning on the outside of movable pulley, and the soil for preventing movable pulley to be infected with takes top to and falls into wheel
Between axis and wheel carrier, keep movable pulley movement unobstructed.
Compared with prior art, the beneficial effects of the present invention are: being carried out by inflation to cylindrical airbag and pumping
It closing and opens, it is quicker to the protection of cement, avoid unexpected heavy rain from having little time to collect, just by the cooperation of ratchet and pawl
It goes up a slope in equipment, avoids midway roll-off, and brush roll can clear up movable pulley, avoid wheel shaft by soil card
Firmly, make movement more smooth.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is that the structural schematic diagram for using inflatable cement protective device is carried in a kind of construction of the present invention.
Fig. 2 is structural schematic diagram when a kind of construction of the present invention is carried with the unlatching of inflatable cement protective device.
Fig. 3 is the structural schematic diagram of drying device of the present invention.
Fig. 4 is positive structure schematic of the present invention from cleaning wheel.
Fig. 5 is top view of the present invention from cleaning wheel.
Fig. 6 is the structural schematic diagram of brake of the present invention.
In figure: balloon occlusion device 1, top plate 2, umbrella plate 3, drying device 4, column 5, backing plate 6, bottom plate 7, stabilizer blade 8, from clear
Sweeping wheel 9, air compressor 10, air hose 11, air bag 12, iron hoop 13, permanent magnet ring 14, drawstring 15, pulley 16, escape pipe 40, wind
Machine 41, air inlet pipe 42, quick lime layer 43, clearing apparatus a, movable pulley b, wheel carrier c, wheel shaft d, brake e, ratchet f, bracket a1,
Shaft a2, brush roll a3, driven wheel a4, driving wheel a5, pawl e1, elastic force bar e2, limited block e3, spring e4, rod set e5.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-6 is please referred to, the present invention provides a kind of construction carrying inflatable cement protective device technical solution: its
Structure include balloon occlusion device 1, top plate 2, umbrella plate 3, drying device 4, column 5, backing plate 6, bottom plate 7, stabilizer blade 8, from cleaning wheel
9,7 bottom of bottom plate is vertically connected with stabilizer blade 8, and 8 bottom of stabilizer blade is equipped with to be connected with from cleaning wheel 9, the bottom plate 7
Backing plate 6, the top plate 2 are located at the top of backing plate 6 and parallel therewith, are connected among the two by column 5, the top of top plate 2
Portion is connected with umbrella plate 3, is equipped with drying device 4 on the top plate 2, the balloon occlusion device 1 be located at bottom plate 7 and top plate 2 it
Between, the balloon occlusion device 1 is by air compressor 10, air hose 11, air bag 12, iron hoop 13, permanent magnet ring 14, drawstring 15, cunning
16 composition of wheel, the air bag 12 are cylinder, and 12 top of air bag is connected with top plate 2, and iron is equipped at the top of the air bag 12
Ring 13, the iron hoop 13 fit with the permanent magnet ring 14 being located on bottom plate 7, and the iron hoop 13 is connected with drawstring 15, described
Drawstring 15 bypasses the pulley 16 for being mounted on 2 side of top plate, passes through air hose 11 and the sky for being located at 2 top of top plate at the top of the air bag 12
Air compressor 10 is connected.
The drying device 4 is made of escape pipe 40, blower 41, air inlet pipe 42, quick lime layer 43, and the blower 41 is distinguished
Equipped with escape pipe 40, air inlet pipe 42, the outlet of the escape pipe 40, air inlet pipe 42 is each provided at 2 lower section of top plate, the air inlet pipe 42
Quick lime layer 43 is inside installed, quick lime layer 43 can absorb the moisture in air, and inner air is made to keep drying.
It is described to be made of from cleaning wheel 9 clearing apparatus a, movable pulley b, wheel carrier c, wheel shaft d, brake e, ratchet f, the shifting
Be mounted on wheel carrier c among driving wheel b by wheel shaft d, the wheel carrier c is connected with 8 bottom of stabilizer blade, the movable pulley b just towards
Sunken inside has circular trough, and ratchet f is evenly distributed on the side of the circular trough, and the ratchet f is matched with brake e, institute
It states the bottom brake e to be connected with wheel carrier c, the side the movable pulley b is equipped with clearing apparatus a.
The clearing apparatus a is made of bracket a1, shaft a2, brush roll a3, driven wheel a4, driving wheel a5, the brush roll a3
It is located at the side movable pulley b, the brush roll a3 is mounted on bracket a1 by shaft a2, and the bracket a1 is connected with wheel carrier c, institute
State shaft a2 and be connected with driven wheel a4, the driven wheel a4 and the driving wheel a5 for being located at side and be meshed, the driving wheel a5 with
Wheel shaft d is connected, and provides power to brush roll a3 by the movement of movable pulley b and cleans, economizes on resources, environmental.
The side of the brush roll a3 is the arc shape of indent, is just matched with the arc of the side movable pulley b, can be to shifting
The side of driving wheel b is cleaned comprehensively.
The brake e is made of pawl e1, elastic force bar e2, limited block e3, spring e4, rod set e5, the bottom the rod set e5
Portion is connected with wheel carrier c, is hollow structure inside the rod set e5, is equipped with limited block e3, the limited block in the rod set e5
Spring e4 is connected in e3 and rod set e5 between bottom, the limited block e3 is connected with the bottom elastic force bar e2, the elastic force bar
It is connected with pawl e1 at the top of e2, the pawl e1 is matched with ratchet f, in the rotation of movable pulley b positive direction, pawl e1 and ratchet
F, which is produced relative sliding, to be moved down, and when movable pulley b is reversely rotated, pawl e1 can block ratchet f, revolve movable pulley b can only unidirectionally
Turn.
The bristle of the brush roll a3 is plastics hair, and existing certain hardness will not hurt the surface movable pulley b again.
The angle of the umbrella plate 3 is 130, glides convenient for rainwater, avoids ponding.
When for construction site, by the evacuating air in air bag 12, then drawstring 15 is pulled to move up iron hoop 13, make top plate
2, it does not block between backing plate 6, directly bag of cement is stored on backing plate 6, be also easy to take in construction usage, directly haul out
, when meeting rainy, air bag 12 is inflated by air compressor 10, air bag 12 be filled with a gas into it is cylindrical and
Bottom is adsorbed on permanent magnet ring 14 by iron hoop 13, is sealed top plate 2, backing plate 6, starts blower 41, by internal sky
Gas is pumped by air inlet pipe 42, and moisture is absorbed when air passes through quick lime layer 43, is then entered back into inside, is passed through circulation air
Moisture is absorbed, keeps being air-dried, prevents cement from making moist, in mobile go up a slope, due on movable pulley b ratchet f with
Pawl e1, which is matched, is able to carry out unidirectional movement, and when letting go, pawl e1 can block ratchet f, make movable pulley b that can not glide, upper
It can repeatedly pause, will not be glided when slope automatically, movement is more easier, and avoids the phenomenon that gliding of making mistakes, and meeting when movable pulley b movement
Driving wheel a5 rotation is driven, driving wheel a5 drives driven wheel a4 rotation, and it rotates brush roll a3 and is cleaned on the outside of movable pulley b,
The soil for preventing movable pulley b to be infected with takes top to and falls between wheel shaft d and wheel carrier c, keeps movable pulley b movement unobstructed.
The technological progress that the present invention obtains compared with the prior art is: being carried out by inflation to cylindrical airbag and pumping
It closing and opens, it is quicker to the protection of cement, avoid unexpected heavy rain from having little time to collect, just by the cooperation of ratchet and pawl
It goes up a slope in equipment, avoids midway roll-off, and brush roll can clear up movable pulley, avoid wheel shaft by soil card
Firmly, make movement more smooth.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art,
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection scope of invention.
Claims (6)
1. a kind of construction, which is carried, uses inflatable cement protective device, structure include balloon occlusion device (1), top plate (2),
Umbrella plate (3), drying device (4), column (5), backing plate (6), bottom plate (7), stabilizer blade (8), from cleaning wheel (9), bottom plate (7) bottom
Portion is vertically connected with stabilizer blade (8), and stabilizer blade (8) bottom, which is equipped with, is connected with backing plate from cleaning wheel (9), the bottom plate (7)
(6), the top plate (2) is located above backing plate (6) and parallel therewith, is connected among the two by column (5), the top plate
(2) top is connected with umbrella plate (3), it is characterised in that:
Be equipped with drying device (4) on the top plate (2), the balloon occlusion device (1) be located at bottom plate (7) and top plate (2) it
Between, the balloon occlusion device (1) is by air compressor (10), air hose (11), air bag (12), iron hoop (13), permanent magnet ring
(14), drawstring (15), pulley (16) composition, the air bag (12) are cylinder, are connected at the top of the air bag (12) with top plate (2)
It connects, is equipped with iron hoop (13) at the top of the air bag (12), the iron hoop (13) is affixed with the permanent magnet ring (14) being located on bottom plate (7)
It closes, the iron hoop (13) is connected with drawstring (15), and the drawstring (15) bypasses the pulley (16) for being mounted on top plate (2) side,
It is connected by air hose (11) with the air compressor (10) being located above top plate (2) at the top of the air bag (12).
2. a kind of construction according to claim 1, which is carried, uses inflatable cement protective device, it is characterised in that: described
Drying device (4) is made of escape pipe (40), blower (41), air inlet pipe (42), quick lime layer (43), and the blower (41) is respectively
Equipped with escape pipe (40), air inlet pipe (42), the outlet of the escape pipe (40), air inlet pipe (42) is each provided at below top plate (2), institute
It states in air inlet pipe (42) and quick lime layer (43) is installed.
3. a kind of construction according to claim 1, which is carried, uses inflatable cement protective device, it is characterised in that: described
It is made of from cleaning wheel (9) clearing apparatus (a), movable pulley (b), wheel carrier (c), wheel shaft (d), brake (e), ratchet (f), it is described
It is mounted on wheel carrier (c) among movable pulley (b) by wheel shaft (d), the wheel carrier (c) is connected with stabilizer blade (8) bottom, the shifting
Driving wheel (b) front, which is recessed inwardly, circular trough, is evenly distributed with ratchet (f) on the side of the circular trough, the ratchet (f) with
Brake (e) matches, and brake (e) bottom is connected with wheel carrier (c), and movable pulley (b) side, which is equipped with, cleans dress
It sets (a).
4. a kind of construction according to claim 3, which is carried, uses inflatable cement protective device, it is characterised in that: described
Clearing apparatus (a) is made of bracket (a1), shaft (a2), brush roll (a3), driven wheel (a4), driving wheel (a5), the brush roll
(a3) be located at movable pulley (b) side, the brush roll (a3) is mounted on bracket (a1) by shaft (a2), the bracket (a1) with
Wheel carrier (c) is connected, and the shaft (a2) is connected with driven wheel (a4), the driven wheel (a4) and the driving wheel for being located at side
(a5) it is meshed, the driving wheel (a5) is connected with wheel shaft (d).
5. a kind of construction according to claim 4, which is carried, uses inflatable cement protective device, it is characterised in that: described
The side of brush roll (a3) is the arc shape of indent, is just matched with the arc of movable pulley (b) side.
6. a kind of construction according to claim 3, which is carried, uses inflatable cement protective device, it is characterised in that: described
Brake (e) is made of pawl (e1), elastic force bar (e2), limited block (e3), spring (e4), rod set (e5), the rod set (e5)
Bottom is connected with wheel carrier (c), is hollow structure inside the rod set (e5), is equipped with limited block (e3) in the rod set (e5),
It is connected with spring (e4) between the limited block (e3) and the interior bottom rod set (e5), the limited block (e3) and the bottom elastic force bar (e2)
Portion is connected, and is connected with pawl (e1) at the top of the elastic force bar (e2), the pawl (e1) matches with ratchet (f).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811458480.0A CN109667428B (en) | 2018-11-30 | 2018-11-30 | Inflatable cement protection device is used in construction transport |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811458480.0A CN109667428B (en) | 2018-11-30 | 2018-11-30 | Inflatable cement protection device is used in construction transport |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109667428A true CN109667428A (en) | 2019-04-23 |
| CN109667428B CN109667428B (en) | 2020-11-17 |
Family
ID=66143556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811458480.0A Active CN109667428B (en) | 2018-11-30 | 2018-11-30 | Inflatable cement protection device is used in construction transport |
Country Status (1)
| Country | Link |
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| CN (1) | CN109667428B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397296A (en) * | 2019-08-06 | 2019-11-01 | 官仁奇 | A kind of cement protective device reducing inside air moisture content |
| CN112806909A (en) * | 2021-01-19 | 2021-05-18 | 重庆自由汇网络科技有限公司 | Intelligent manufacturing floor sweeping robot auxiliary device capable of avoiding clamping sofa feet |
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| WO1999049155A1 (en) * | 1998-03-24 | 1999-09-30 | University Of Ottawa | Retrofitting existing concrete columns by external prestressing |
| CN204609307U (en) * | 2015-02-12 | 2015-09-02 | 罗卫华 | A kind of cement concrete inflation curing means |
| CN107882345A (en) * | 2017-10-19 | 2018-04-06 | 冯云鹏 | A kind of construction cement radical occlusion device |
| CN108179885A (en) * | 2017-12-22 | 2018-06-19 | 冯云鹏 | A kind of construction protects equipment with cement |
| CN207644895U (en) * | 2017-10-27 | 2018-07-24 | 刘昊 | A kind of bagged cement storing unit for building |
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2018
- 2018-11-30 CN CN201811458480.0A patent/CN109667428B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999049155A1 (en) * | 1998-03-24 | 1999-09-30 | University Of Ottawa | Retrofitting existing concrete columns by external prestressing |
| CN204609307U (en) * | 2015-02-12 | 2015-09-02 | 罗卫华 | A kind of cement concrete inflation curing means |
| CN107882345A (en) * | 2017-10-19 | 2018-04-06 | 冯云鹏 | A kind of construction cement radical occlusion device |
| CN207644895U (en) * | 2017-10-27 | 2018-07-24 | 刘昊 | A kind of bagged cement storing unit for building |
| CN108179885A (en) * | 2017-12-22 | 2018-06-19 | 冯云鹏 | A kind of construction protects equipment with cement |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397296A (en) * | 2019-08-06 | 2019-11-01 | 官仁奇 | A kind of cement protective device reducing inside air moisture content |
| CN112806909A (en) * | 2021-01-19 | 2021-05-18 | 重庆自由汇网络科技有限公司 | Intelligent manufacturing floor sweeping robot auxiliary device capable of avoiding clamping sofa feet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109667428B (en) | 2020-11-17 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20201104 Address after: 276800 middle of Qingdao Road, Shandong, Rizhao City Applicant after: RIZHAO DAXIANG HOUSE CONSTRUCTION Co.,Ltd. Address before: 325608 Honggang Road, Hongqiao Town, Yueqing City, Wenzhou, Zhejiang, China Applicant before: Wu Chengmei |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An inflatable cement protection device for building construction and handling Effective date of registration: 20211228 Granted publication date: 20201117 Pledgee: Rizhao Bank Co., Ltd Pledgor: RIZHAO DAXIANG HOUSE CONSTRUCTION CO.,LTD. Registration number: Y2021980016569 |