CN201195913Y - Multifunctional apparatus used for floor construction using steel carrier plate - Google Patents
Multifunctional apparatus used for floor construction using steel carrier plate Download PDFInfo
- Publication number
- CN201195913Y CN201195913Y CNU2008201052520U CN200820105252U CN201195913Y CN 201195913 Y CN201195913 Y CN 201195913Y CN U2008201052520 U CNU2008201052520 U CN U2008201052520U CN 200820105252 U CN200820105252 U CN 200820105252U CN 201195913 Y CN201195913 Y CN 201195913Y
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- CN
- China
- Prior art keywords
- steel board
- horizontal plate
- steel
- function device
- floor building
- 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.)
- Expired - Fee Related
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
- E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
- E04B5/40—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element with metal form-slabs
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/168—Spacers connecting parts for reinforcements and spacing the reinforcements from the form
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/20—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups of material other than metal or with only additional metal parts, e.g. concrete or plastics spacers with metal binding wires
- E04C5/206—Spacers having means to adapt the spacing distance
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Floor Finish (AREA)
Abstract
The utility model relates to a floor slab building device and provides a multifunctional device which is used in floor slab buildings which use steel bracket plates aiming at the defects of the prior art that when a steel bar layer is fixed, holes are drilled on the steel bracket plates, which breaks structures of the steel bracket plates, and the like. The multifunctional device comprises a body, a bulging part which is used to cover the steel bracket plates, and comprises a horizontal plate body, two extending parts which are respectively extended to the lower portion from two ends of the horizontal plate body and a vertical rod body, wherein a concave groove is arranged on the top surface of the horizontal plate body and is used to place steel bars, the vertical rod body is screwed with the horizontal plate body, and the multifunctional device comprises a U-shaped supporting foot which can be separately connected with the body. The technical scheme of the utility model has the following beneficial effects that multiple functions of fixing and supporting the steel bar layer, insolating the steel bar layer and the steel bracket plates, and marking the concrete poured height, and the like can be realized under the precondition that the structures of the steel bracket plates are not broken.
Description
Technical field
The utility model relates to the floor apparatus for building, more particularly, relates to a kind of multi-function device that is used to use the floor building of steel board.
Background technology
The building of existing hollow floor is to bury solid spherical Poly dragon between steel bar layer underground, reaching effects such as floor loss of weight, heat insulation and sound insulation, and replaces the conventional concrete floor.Yet when burying solid spherical Poly dragon underground, because Poly dragon be the light weight material, when being in the milk, the steel bar layer of carrying this Poly dragon is very easy because of weight saving, and together floats on the template of bottom together with this Poly dragon.So, the carrying out of whole construction course will seriously be hindered.
Therefore, for avoid whole steel bar layer that prior art causes because of overall weight alleviates together with the Poly dragon together from the situation of bottom template come-up, use crab-bolt that whole steel bar layer is fixed on the template layer usually.Structurally, this crab-bolt has a tenon and a crook.On the implementation, the constructor must get into the cave to template layer earlier, and then the tenon with crab-bolt partly runs through in this hole, and utilizes this crook to hook together the reinforcing bar of steel bar layer, with this whole steel bar layer is fixed on the template layer.
In recent years, the mode of occupation that replaces the grand master pattern flaggy with the steel board increases year by year, and it is mainly used in the building of reinforcing bar structure.The steel board not only can serve as the reinforcing bar of floor and increase structural strength, and needn't use the interim support as existing template layer again.Generally speaking, the steel board can be divided into three kinds of kenels: open-type, reducing type and closed type.When using the steel board to replace template layer, because of whole floor weight saving, the problem of floating of whole steel bar layer still exists.Yet,, must so will destroy the structure of steel board at steel board upper drill hole if use existing crab-bolt to fix steel bar layer.
In addition, when building the general concrete floor that uses the steel board, can there be following several problem:
At first, in the prior art, for avoiding directly allowing whole steel bar layer (comprising steel bar layer and following steel bar layer) directly press and put on template layer, often use cushion block as stone or concrete block and so on, be placed on down between steel bar layer and the template layer, to separate steel bar layer and template layer.Using the steel board to replace in the floor building of template layer, also must the steel bar layer frame is high next isolated with the steel board.Yet because employed cushion block is difficult to make according to fixing specification usually, promptly the height of cushion block may differ from one another, and will cause puzzlement in the use.In addition, even if employed cushion block is all same specification, because cushion block is not to be fixed in down under the steel bar layer or on the steel board, so its former storing position that will be easy to slip away, and may cause the inclination of steel bar layer integral body.
Secondly, be the structure of a support integral steel bar layer (comprise steel bar layer and steel bar layer) down, prior art is between last steel bar layer and following steel bar layer, z type bracing frame that use is converted into steel bar or support chair are as support.With Z type bracing frame is example, and it comprises horizontal part on, once a horizontal part and a subvertical support portion, wherein should go up horizontal part and down horizontal part respectively with last steel bar layer and steel bar layer bind mutually down.Since last steel bar layer and down the spacing between the steel bar layer be about a fixed value, when producing excessive gap if the height of the subvertical support portion of Z type bracing frame is failed unified specification during fabrication, then will cause difficulty in the use.And,, all will cause the increase of whole construction cost no matter use z type bracing frame or support chair.
Its three, in when grouting, because steel bar layer and steel board are not must be for level, when only concrete being filled steel bar layer, its floor ground may not be for level, and an angle of inclination is arranged.Therefore, when floor is built, for guaranteeing the horizontality on floor ground, use usually Height marker as concrete should add the height index.But existing Height marker comprises a base, an adjustment part and an instruction unit, and wherein this base utilizes nail to be fixed on the template layer, but this instruction unit with should adjustment part in the spring established be connected, and will move or move down on this instruction unit by adjusting this spring.Yet, under the situation of using the steel board with the replacement template layer,, also will destroy the structure of steel board if use nail that Height marker is fixed on the steel board.In addition, there is the adjustable altitude range of Height marker institute also limited, because of its structure is comparatively complicated, must expends more manpower and time it is adjusted, and then cause the increase of whole construction cost again.
In view of this,, need a kind of device, can under the prerequisite of not destroying steel board structure, possess fixing simultaneously and multiple functions such as bearing bar layer, isolation steel bar layer and steel board and sign concrete pouring height for improving above-mentioned shortcoming.
The utility model content
The technical problems to be solved in the utility model is, can destroy defectives such as steel board structure when the fixing steel bar layer at steel board upper drill hole at prior art, and a kind of multi-function device that is used to use the floor building of steel board is provided.
The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of multi-function device that is used to use the floor building of steel board, comprising:
One body, the protuberance that is used to cover the steel board partly, it comprises a horizontal plate body, two extensions that extend from these horizontal plate body two ends respectively and a vertical body of rod downwards; Wherein the end face of this horizontal plate body is provided with a chase, for putting reinforcing bar; This vertical body of rod and this horizontal plate body are screwed; And a ㄩ type feet, it is connected with this body separably.
At the multi-function device that is used for using the floor building of steel board described in the utility model, the top of the described vertical body of rod is provided with a crook, is used to hook together reinforcing bar.
At the multi-function device that is used for using the floor building of steel board described in the utility model, also comprise a concrete Height marker, described concrete Height marker comprises an arc main body and from the extended vertical component effect of described main body, wherein said arc main body is covered on the described crook.
At the multi-function device that is used for using the floor building of steel board described in the utility model, described concrete Height marker also comprises a nut, and its vertical component effect is provided with the threaded portion, for this nut in conjunction with thereon.
At the multi-function device that is used for using the floor building of steel board described in the utility model, the top of described ㄩ type feet also is provided with a depressed part, for the carrying reinforcing bar.
At the multi-function device that is used for using the floor building of steel board described in the utility model, described two extensions extend vertically downward from described horizontal plate body.
At the multi-function device that is used for using the floor building of steel board described in the utility model, described two extensions extend downwards from described horizontal plate body with an angle.
At the multi-function device that is used for using the floor building of steel board described in the utility model, also comprise at least two keepers, and each extension is provided with at least one locating hole, run through combination for keeper.
At the multi-function device that is used for using the floor building of steel board described in the utility model, described keeper is a bolt, and described locating hole inwall is provided with screw thread.
At the multi-function device that is used for using the floor building of steel board described in the utility model, an end of described bolt is pointed.
At the multi-function device that is used for using the floor building of steel board described in the utility model, the described vertical body of rod is made up of metal; Described horizontal plate body and this extension are made up of metal or plastics.
The enforcement the technical solution of the utility model has following beneficial effect: can realize fixing and multiple functions such as bearing bar layer, isolation steel bar layer and steel board and sign concrete pouring height under the prerequisite of not destroying steel board structure.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the decomposing schematic representation of first embodiment of the multi-function device of the utility model floor building of being used to use the steel board;
Fig. 2 is the schematic appearance of first embodiment of the multi-function device of the utility model floor building of being used to use the steel board;
Fig. 3 is the user mode figure of first embodiment of the multi-function device of the utility model floor building of being used to use the steel board;
Fig. 4 is the schematic appearance of second embodiment of the multi-function device of the utility model floor building of being used to use the steel board;
Fig. 5 is the user mode figure of second embodiment of the multi-function device of the utility model floor building of being used to use the steel board;
Fig. 6 is the decomposing schematic representation of the 3rd embodiment of the multi-function device of the utility model floor building of being used to use the steel board;
Fig. 7 is the schematic appearance of the 3rd embodiment of the multi-function device of the utility model floor building of being used to use the steel board.
Fig. 8 is the user mode figure of the 3rd embodiment of the multi-function device of the utility model floor building of being used to use the steel board;
Fig. 9 is another user mode figure of the 3rd embodiment of the multi-function device of the utility model floor building of being used to use the steel board.
The specific embodiment
At first row are write the symbol description of primary clustering in the accompanying drawing
Body 1,1 ' depressed part 20
102 main bodys 30 of boring a hole
Chase 106 threaded portions 322
Locating hole 122 steel laminates 4,4 '
The vertical body of rod 14,14 ' protrusion 41,42
ㄩ type feet 2
The utility model provides a kind of multi-function device that is used to use the floor building of steel board, it comprise a body 1 and with this body 1 detachable ㄩ type feet 2 that is connected.Wherein this body 1 comprises a horizontal plate body 10, two extensions 12 that extend from these horizontal plate body 10 two ends respectively and vertical bodies of rod 14 downwards.Wherein, this horizontal plate body 10 is provided with a chase 104 at its end face, for putting steel bar layer reinforcing bar down; 14 of this vertical bodies of rod and this horizontal plate body 10 are screwed.
Fig. 1～Fig. 3 is respectively decomposing schematic representation, schematic appearance and the user mode figure of first embodiment of the multi-function device of the utility model floor building of being used to use the steel board.As shown in Figure 3, this multi-function device comprises a main body 1, a ㄩ type feet 2 and a concrete Height marker 3; And wherein steel board 4 belongs to reducing shaped steel board.
By Fig. 1 and Fig. 2 as can be known, this body 1 comprises a horizontal plate body 10, two extension 12, the one vertical body of rod 14 and two keepers 16, and it is used to cover the protrusion 41 that steel board 4 recessed foldings form.In the present embodiment, this horizontal plate body 10 is provided with a joint portion 104, and it is a cannulated threaded body, and is integrally formed with this horizontal plate body 10; And then be provided with a chase (not being shown among the figure) on this horizontal plate body 10.This extension 12 extends vertically downward from the two ends of this horizontal plate body 10, and is provided with a locating hole 122 in each extension 12, inserts for keeper 16.In the present embodiment, this keeper 16 is a bolt, then is provided with screw thread on the inwall of this locating hole 122.The top of this vertical body of rod 14 then is made as a crook 142, and its underpart is provided with threaded portion 144, is screwed for the joint portion 104 with horizontal plate body 10.By this joint portion 104, this vertical body of rod 14 more firmly can be screwed together in the joint portion 104 of this horizontal plate body 10.
The top of this ㄩ type feet 2 then is provided with a depressed part 20, can go up the reinforcing bar of steel bar layer for carrying.In addition, on horizontal plate body 10, be provided with two perforation 102,, and make these two ends prop up the end face of steel board 4 protrusions 41 for the two ends of inserting this ㄩ type feet 2.When implementing, the position corresponding to these ㄩ type feet 2 tops on the above-mentioned vertical body of rod 14 can be provided with a depression, supplies the top of this ㄩ type feet 2 to lean on it, subsequently with both bindings stablizing with maintenance ㄩ type feet 2.In the present embodiment, this ㄩ type feet 2 is horizontally set on the horizontal plate body 10, yet it also can be vertical setting.
3 of this concrete Height markers comprise an arc main body 30 and a vertical component effect 32.Wherein, the shaped design of this arc main body 30 is for can be sticked on the crook 142 of this vertical body of rod 14, so that with these concrete Height marker 3 secure bond thereon.
In addition, this concrete Height marker 3 is provided with a threaded portion 322 at its vertical component effect 32, and is combined with the nut 324 of an indication usefulness thereon.On material, this concrete Height marker 3 can be made up of plastics; This horizontal plate body 10 and extension 12 can be made up of metal (for example iron) or plastics; This vertical body of rod 14 can be made by metal (for example iron); This ㄩ type feet 3 then can be formed by iron bar or steel bar bending.
In use, shown in the 3rd figure, this main body 1 is covered on the protrusion 41 of steel board 4, by the both sides of running fix part 16 (being bolt in the present embodiment) with chucking steel board 4 protrusions 41, so just this main body 1 can be fixed on the protrusion 41 of this steel board 4.And, then can carry down the reinforcing bar of steel bar layer 52 via the setting of chase (not being shown among the figure) on the horizontal plate body 10 of this main body 1; And, can change the height between horizontal plate body 10 and steel board 4 protrusions 41 end faces via adjusting this vertical body of rod 14.So, whole steel bar layer (comprise steel bar layer 51 and down steel bar layer 52) and steel board 4 can be separated by and leave, directly be in contact with it avoiding, promptly have the effect of similar existing cushion block.
In addition, because this main body 1 is fixed on the protrusion 41 of steel board 4, but crook 142 cross-pressures on these vertical body of rod 14 tops are on the reinforcing bar of last steel bar layer 51, whole steel bar layer can be fixed on the steel board 4 with this, with the problem of the steel bar layer avoiding being produced come-up because of the weight saving of hollow floor.In addition, 20 reinforcing bars that can carry steel bar layer 51 of depressed part on these ㄩ type feet 2 tops are with this support as 51,52 of upper and lower steel bar layer.
In addition, the vertical component effect 32 of this concrete Height marker 3 can be as the index of concrete pouring.When construction, the constructor can select to be installed in the concrete Height marker of installing on several multi-function devices on the steel board 43, and utilizes the emission laser light to propose out a level reference.This moment, the constructor only needed indication nut 324 is adjusted to the height of this level reference that proposes, and can finish the sign work for the concrete pouring height.When then being in the milk, the constructor only need continue concrete perfusion and get final product until the indication nut 324 that covers this concrete Height marker 32.So just can guarantee the horizontality on the formed ground of floor simply.
Fig. 4 and Fig. 5 are respectively the schematic appearance and the user mode figure of second embodiment of the multi-function device of the utility model floor building of being used to use the steel board.The structure identical with first embodiment will be censured with same numeral.The difference of second embodiment be in, the extension 12 ' of main body 1 ' is to extend downwards with an angle according to the shape of steel board 4 protrusions 41.In the present embodiment, this extension 12 ' is inboard downwards extends.By this design, this main body 1 ' can directly be overlapped and is bonded on steel board 4 protrusions 41, needn't use the described keeper of first embodiment can be fixed on the protrusion 41 of steel board 4.
In addition, as shown in Figure 5, this vertical body of rod 14 ' as the vertical body of rod 14 of first embodiment do not set in advance a crook 142, be converted into hook-shaped (along direction shown in the arrow) but top that will this vertical body of rod 14 ' when implementing is recessed, to hook together the reinforcing bar of steel bar layer 51.So, applicable to the steel bar layer of differing heights, and can avoid the too high or too low problem of the last steel bar layer of the hook end that taken place in the inclined to one side different time of steel bar layer height 51.Should the vertical body of rod 14 ' be bent into hook-shaped after, also can be thereon with main body 30 engagings of concrete Height marker 3, to carry out the sign of concrete pouring height.
Fig. 6～Fig. 9 is respectively decomposing schematic representation, schematic appearance, user mode figure and another user mode figure of the 3rd embodiment of the multi-function device of the utility model floor building of being used to use the steel board.For ease of explanation, the structure identical with first embodiment will be censured with same numeral.The 3rd embodiment difference be in, steel board 4 ' wherein is an opening shaped steel board, it has the protrusion 42 that is bent into equally, and has a plurality of protruding 420 on protrusion 42.In the present embodiment, this main body 1 " extension 12 " be shape according to steel board 4 ' protrusion 42, this main body 1 certainly " two ends extend and form in the outside downwards.In addition, the keeper 16 ' of present embodiment is one to have the bolt at a tip; When implementing, by this keeper 16 ' is run through extension 12 " on locating hole (not being shown among the figure); and puncture in the steel board 4 ', and with this main body 1 from 420 of the projectioies of 40 liang of sides of steel board 4 ' protrusion " be fixed on the protrusion 42 of steel board 4 '.
When implementing, shown in the 9th figure, this main body 1 " the crook 142 on the vertical body of rod 14 tops can hook together on the reinforcing bar of last steel bar layer 51, and the reinforcing bar of going up steel bar layer 51 can be carried on the depressed part (not being shown among the figure) on ㄩ type feet 2 tops.In addition, the reinforcing bar of following steel bar layer 52 then can be carried on the chase 106 on the horizontal plate body 10.
In sum, the utility model can reach the purpose of expection really, and a kind of multi-function device of using the plate of steel board to build of being used to that fixing and bearing bar layer is arranged, isolate steel bar layer and steel board and indicate multiple functions such as concrete pouring height that possesses simultaneously is provided.
In addition, above-mentioned explanation and graphic only be in order to embodiment of the present utility model to be described, allly ripely still can do the localized variation and the modification of equivalence in the personage of this industry skill, it does not break away from technology of the present utility model and spirit.
Claims (11)
1. a multi-function device that is used to use the floor building of steel board is characterized in that, comprising:
One body, the protuberance that is used to cover the steel board partly, it comprises a horizontal plate body, two extensions that extend from these horizontal plate body two ends respectively and a vertical body of rod downwards; Wherein the end face of this horizontal plate body is provided with a chase, for putting reinforcing bar; This vertical body of rod and this horizontal plate body are screwed; And a ㄩ type feet, it is connected with this body separably.
2. the multi-function device that is used to use the floor building of steel board according to claim 1 is characterized in that the top of the described vertical body of rod is provided with a crook, is used to hook together reinforcing bar.
3. the multi-function device that is used to use the floor building of steel board according to claim 2, it is characterized in that, also comprise a concrete Height marker, described concrete Height marker comprises an arc main body and from the extended vertical component effect of described main body, wherein said arc main body is covered on the described crook.
4. the multi-function device that is used to use the floor building of steel board according to claim 3 is characterized in that described concrete Height marker also comprises a nut, and its vertical component effect is provided with the threaded portion, for this nut in conjunction with thereon.
5. the multi-function device that is used to use the floor building of steel board according to claim 1 is characterized in that the top of described ㄩ type feet also is provided with a depressed part, for the carrying reinforcing bar.
6. the multi-function device that is used to use the floor building of steel board according to claim 1 is characterized in that described two extensions extend vertically downward from described horizontal plate body.
7. the multi-function device that is used to use the floor building of steel board according to claim 1 is characterized in that described two extensions extend from described horizontal plate body with an angle downwards.
8. according to claim 1, the 6 or 7 described multi-function devices that are used to use the floor building of steel board, it is characterized in that, also comprise at least two keepers, and each extension is provided with at least one locating hole, run through combination for keeper.
9. the multi-function device that is used to use the floor building of steel board according to claim 8 is characterized in that described keeper is a bolt, and described locating hole inwall is provided with screw thread.
10. the multi-function device that is used to use the floor building of steel board according to claim 9 is characterized in that an end of described bolt is pointed.
11. the multi-function device that is used to use the floor building of steel board according to claim 1 is characterized in that the described vertical body of rod is made up of metal; Described horizontal plate body and this extension are made up of metal or plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201052520U CN201195913Y (en) | 2008-04-14 | 2008-04-14 | Multifunctional apparatus used for floor construction using steel carrier plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201052520U CN201195913Y (en) | 2008-04-14 | 2008-04-14 | Multifunctional apparatus used for floor construction using steel carrier plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201195913Y true CN201195913Y (en) | 2009-02-18 |
Family
ID=40415550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201052520U Expired - Fee Related CN201195913Y (en) | 2008-04-14 | 2008-04-14 | Multifunctional apparatus used for floor construction using steel carrier plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201195913Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105556045A (en) * | 2013-07-03 | 2016-05-04 | 瓦斯特新型塑料公司 | Feeder device |
| CN109057043A (en) * | 2018-09-21 | 2018-12-21 | 苏州光彩建筑钢品有限公司 | A kind of steel board easy for construction and vertically pull muscle bridging arrangement |
| CN109963994A (en) * | 2016-09-02 | 2019-07-02 | M·阿特昂 | Reinforcement dynamic for promoting, overturning constracture unit promotes anchor |
-
2008
- 2008-04-14 CN CNU2008201052520U patent/CN201195913Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105556045A (en) * | 2013-07-03 | 2016-05-04 | 瓦斯特新型塑料公司 | Feeder device |
| CN109963994A (en) * | 2016-09-02 | 2019-07-02 | M·阿特昂 | Reinforcement dynamic for promoting, overturning constracture unit promotes anchor |
| CN109057043A (en) * | 2018-09-21 | 2018-12-21 | 苏州光彩建筑钢品有限公司 | A kind of steel board easy for construction and vertically pull muscle bridging arrangement |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090218 Termination date: 20150414 |
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| EXPY | Termination of patent right or utility model |