CN112482152A - Special-shaped pavement concrete side formwork system - Google Patents
Special-shaped pavement concrete side formwork system Download PDFInfo
- Publication number
- CN112482152A CN112482152A CN202011293399.9A CN202011293399A CN112482152A CN 112482152 A CN112482152 A CN 112482152A CN 202011293399 A CN202011293399 A CN 202011293399A CN 112482152 A CN112482152 A CN 112482152A
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- Prior art keywords
- rubber block
- rubber
- fixing clamp
- concrete
- head fixing
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/50—Removable forms or shutterings for road-building purposes; Devices or arrangements for forming individual paving elements, e.g. kerbs, in situ
- E01C19/502—Removable forms or shutterings, e.g. side forms; Removable supporting or anchoring means therefor, e.g. stakes
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/50—Removable forms or shutterings for road-building purposes; Devices or arrangements for forming individual paving elements, e.g. kerbs, in situ
- E01C19/502—Removable forms or shutterings, e.g. side forms; Removable supporting or anchoring means therefor, e.g. stakes
- E01C19/504—Removable forms or shutterings, e.g. side forms; Removable supporting or anchoring means therefor, e.g. stakes adapted to, or provided with, means to maintain reinforcing or load transfer elements in a required position
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a special-shaped pavement concrete side formwork system which comprises a fixing assembly and a rubber block in a long rectangular shape, wherein a plurality of cold-drawn steel wires are arranged in the rubber block along the long direction; the fixing assembly comprises a head fixing clamp, a bottom fixing clamp and a positioning drill steel, wherein a groove is formed in the head fixing clamp, the upper side of the rubber block is embedded into the groove, the upper side of the rubber block can be detachably fixed with the head fixing clamp through the groove, and a first fixing hole is formed in the head fixing clamp; the bottom fixing clip is L-shaped, and a second fixing hole is formed in the bottom fixing clip. This side form system adopts the block rubber as the template, utilizes the support skeleton of cold drawing steel wire as the block rubber, makes the block rubber both have the ability of warping in order to adapt to the side shape of special-shaped concrete, can have better holding power again in order to maintain the side shape of concrete, has replaced current brick mould, realizes recycle, has practiced thrift natural resources and construction cost.
Description
Technical Field
The invention belongs to the technical field of road construction, and particularly relates to a special-shaped pavement concrete side formwork system.
Background
With the improvement of living standard, public environment is also greatly improved. At present, in public environments such as parks, residential areas, commercial pedestrian areas and the like, special-shaped pedestrian roads are mostly adopted to match with surrounding greening environments, and the attractiveness of the whole environment is improved. In the construction of the special-shaped pedestrian roads, special-shaped concrete is generally required to be poured. In order to drain water or adapt to the height difference of surrounding buildings, the special-shaped concrete is not only in a special shape when viewed from the plane, but also in a twisted state at places with larger height difference, and the specific situation is shown in fig. 1. The existing templates such as steel templates, wood templates and the like are very suitable for completing the pouring of large-area concrete, but cannot adapt to the special-shaped concrete.
When the existing special-shaped concrete is poured, the adopted side forms are either brick bed moulds or wood templates or steel templates are used for completing large-area pouring firstly, and then the special-shaped edges are cut or completed in the later period. In the former mode, the brick moulding bed can not be used after being dismantled, and the brick moulding bed consumes time and materials when being built; the latter method is time consuming and labor intensive. Therefore, in any way, from the viewpoints of energy conservation, emission reduction, cost saving and resources, improvement and innovation are necessary.
Disclosure of Invention
The invention provides a special-shaped pavement concrete side formwork system which is specially used for special-shaped concrete construction of a pedestrian road, can be repeatedly utilized, has low cost, reduces consumption of natural resources such as sintered bricks and solves the problems in the background technology.
The technical scheme of the invention is as follows: a special-shaped pavement concrete side mold system comprises a fixing assembly and a rubber block in a long rectangular shape, wherein a plurality of cold-drawn steel wires are arranged in the rubber block along the long direction, the shape of the rubber block is restrained by the cold-drawn steel wires, and the cross section of the rubber block along the length direction is an inner membrane plate surface and an outer fixing surface which are opposite to each other left and right, and an upper side edge and a lower side edge which are opposite to each other up and down; the fixing assembly comprises a head fixing clamp, a bottom fixing clamp and a positioning drill steel, wherein a groove is formed in the head fixing clamp, the upper side of a rubber block is embedded in the groove, the upper side of the rubber block can be detachably fixed with the head fixing clamp through the groove, and a first fixing hole through which the positioning drill steel can vertically penetrate is formed in the head fixing clamp; the bottom fixing clip is L-shaped, and one edge of the bottom fixing clip is provided with a second fixing hole through which a positioning steel chisel can vertically penetrate.
Further: a plurality of limiting holes are formed in the rubber block along the long direction, a plurality of cold-drawn steel wires penetrate through the limiting holes, and one limiting hole corresponds to one cold-drawn steel wire.
Further: the surface of the rubber block, which is connected with the lower side edge, of the inner film plate surface is an arc surface, namely the inner film plate surface is transited to the lower side edge by the arc surface.
Further: a plurality of gaps are formed in the length direction of the upper side edge of the rubber block.
Further: a plurality of hidden grooves are formed in the surface of the inner membrane along the length direction of the rubber block, one hidden groove corresponds to one notch, and the hidden grooves are connected with the notches; when the head fixing clamp is clamped on the notch, the outer side surface of the head fixing clamp close to the surface of the inner membrane and the surface of the inner membrane are positioned on the same plane.
Further: an ear part is formed at the position, close to the outer fixing surface, of the head fixing clamp, and the whole length of the ear part is half of the width of the rubber block.
Has the advantages that: the scheme provides a special-shaped pavement concrete side form system, which adopts a rubber block as a template and utilizes a cold-drawn steel wire as a supporting framework of the rubber block, so that the rubber block has the capability of deformation to adapt to the side shape of special-shaped concrete and can have better supporting force to maintain the side shape of the concrete; the rubber block in the scheme adopts the fixing component to maintain the shape of the rubber block, firstly, the head fixing clamp is used for fixing the rubber block, then the bottom fixing clamp is used for supporting the lower side edge of the rubber block to prevent the bottom of the rubber block from shifting, and meanwhile, the head fixing clamp and the bottom fixing clamp are fixed and kept in position and shape by using the positioning steel chisel to enable the rubber block to have better supporting force to overcome the lateral pressure of concrete, so that the support of the concrete is completed, the effect of a template is achieved, and the existing brick mould is replaced; meanwhile, the rubber block, the head fixing clamp and the like can be recycled, so that natural resources and construction cost are saved.
In contrast, the way of fusing the rubber block with the cold-drawn steel wire is also an optimization in the present case. The cold drawing steel wire is as the shape support chassis of block rubber, and then can change and restore the cold drawing steel wire at any time through the mode that can dismantle the connection, and the restoring force that the cold drawing steel wire of different models corresponds is different, and the holding power of the block rubber that corresponds also is different, consequently penetrates the structural design of optimizing and can make the side forms system in this scheme can adapt to the application of pouring of the concrete of different thickness.
Set up the breach on the block rubber, utilize the flexible control of head fixing clip accessible breach realization on the one hand to the block rubber, on the other hand prevents that the block rubber from being strutted because rising when receiving the lateral pressure of concrete, especially can effectively prevent that the block rubber from warping when concrete placement.
Drawings
FIG. 1 is a schematic view of a concrete and side form system installation plan of a pedestrian road in accordance with the present invention;
FIG. 2 is a vertical view of the rubber block of the present invention in an upright position in cooperation with the head fixing clip;
FIG. 3 is an elevational view of the rubber block of the present invention in an upright position;
FIG. 4 is a schematic view of the mounting structure of the drill steel restorer and the forming restorer of the present invention;
fig. 5 is a partial structural view of the installation of the side form system.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the invention discloses a profiled road surface concrete side form system, which comprises a fixing component and a rubber block 3. Specifically, as shown in fig. 2 to 5, the rubber block 3 of the present invention is in the shape of a long rectangle, and the cross sections of the rubber block 3 along the length direction are the inner membrane plate surface and the outer fixing surface which are opposite to each other on the left and right, and the upper side and the lower side which are opposite to each other on the upper and lower sides, respectively. In specific implementation, the surface of the inner membrane is the surface directly contacted with the concrete 1, and a release agent needs to be coated on the surface of the inner membrane.
The fixing assembly shown in fig. 5 includes a head fixing clip 62, a bottom fixing clip 63, and a positioning drill rod 61. The head fixing clip 62 is provided with a groove, and the head fixing clip 62 is vertically provided with a first fixing hole 62 a. The bottom fixing clip 63 is integrally L-shaped, the bottom fixing clip 63 is formed by bending a rectangular steel plate, the rectangular steel plate is bent to form two sides, and a second fixing hole 63a is formed in any one side of the bent rectangular steel plate. The first fixing hole 62a and the second fixing hole 63a can allow the positioning drill rod 61 to pass through.
In the optimized scheme, a plurality of cold-drawn steel wires 7 are arranged inside the rubber block 3 along the length direction. The cold-drawn steel wire 7 can be bent not only under the action of an external force, but also can recover the deformation of the cold-drawn steel wire under the condition that the action of the external force is cancelled. It should be noted that the cold drawn steel wire 7 cannot be bent, especially 90 ° bent, and then cannot recover its original shape after bending.
In this embodiment, a rubber block 3 having a width of 15cm and a thickness of 3cm is taken as an example. Eight spacing holes have been seted up along long direction in the inside of block rubber 3, and spacing hole just reserves out in block rubber 3 production. And each limiting hole is internally and correspondingly penetrated with a 5mm cold-drawn steel wire 7, the cold-drawn steel wire 7 can slide along the axial direction of the limiting hole, and the cold-drawn steel wire 7 can slide along the length direction of the rubber block 3. Can utilize cold drawing steel wire 7 to carry out moulding to block rubber 3 like this, as supporting framework, also tie block rubber 3 promptly, still be convenient for simultaneously change cold drawing steel wire 7. It is of course also possible to embed and fix the cold drawn wires 7 directly into the rubber blocks 3, but this may lead to increased post-maintenance costs.
In order to ensure that the poured concrete 1 can meet the design strength requirement as much as possible, the surface of the rubber block 3, which is connected with the lower side edge, of the inner membrane plate is an arc surface, namely the inner membrane plate is transited to the lower side edge by the arc surface. Thus, when the rubber block 3 is fixed to the ground substrate in an upright state as shown in fig. 5, a part of mortar of the concrete 1 fills a gap between the rubber block 3 and the ground substrate. After the rubber block 3 is taken down, the width of the bottom of the concrete 1 formed after pouring is increased, so that the overall rigidity of the concrete 1 is better, but the size of the upper part of the concrete also meets the pavement design of the pavement ground.
In the present invention, the head fixing clip 62 is detachably fixed to the rubber block 3. Secondly, the rubber block 3 has very strong elasticity after being combined with the cold-drawn steel wire 7, so that the rubber block shrinks seriously after being tensioned. This may affect the tightness of the joint between adjacent rubber blocks 3, causing problems with leakage. Therefore, we can think of a solution to the problem of expansion and contraction of the rubber block 3 after being stretched.
In this scheme, a plurality of breach 3a has been seted up along length direction to the upside of block rubber 3. Each notch 3a corresponds to one head fixing clip 62. Therefore, as shown in fig. 2 and 5, the head fixing clip 62 and the bottom fixing clip 63 firstly satisfy the condition that the fixing layer of the rubber block 3 is erected and the overall shape of the rubber block 3 is maintained. Secondly, after the rubber block 3 is stretched and bent, the head fixing clamp 62 is matched with the notch 3a on the rubber block 3 to prevent the rubber block 3 from shrinking along the length direction, so that the problem of untight seams between adjacent rubber blocks 3 is avoided.
Any object is known to be thick. With the above design, the head fixing clip 62 is definitely protruded to the left from the inner membrane surface of the rubber block 3. However, this results in a depression in the side of the cast concrete 1. Although the structure of the concrete 1 is not affected, the appearance is not good enough or the appearance quality is not good enough. Therefore, in a further optimization scheme, a plurality of hidden grooves 3b are formed in the surface of the inner membrane along the length direction of the rubber block 3, one hidden groove 3b corresponds to one notch 3a, and the hidden groove 3b is connected with the interface; after the head fixing clip 62 is clipped on the notch 3a, the outer side surface of the head fixing clip 62 close to the inner film plate surface and the inner film plate surface are located on the same plane.
After adopting above-mentioned structure, the side of the shaping concrete 1 that pours is whole smooth and level, does not have breach 3a, and the light sense quality is better, especially to the people's footpath of some art types that the detail requirement is very high. In the present embodiment, the head fixing clip 62 is fixed to the rubber block 3 by clipping as shown in fig. 5. Due to the high deformability of the rubber blocks 3, local bulges can occur, for example, even when subjected to lateral pressure of the concrete 1. Depending on the casting thickness of the concrete 1 and the vibration during construction. Aiming at the following steps: it is suggested that the head restraint 62 is designed to form an ear 62b near the outer attachment surface, and the overall length of the ear 62b is half the width of the rubber block 3. For concrete 1 with thickness below 30cm, the design can avoid the rubber block 3 from exploding due to pressure and forming local bulges at the position by utilizing the ear parts 62b, and is very effective for improving the forming quality of the concrete 1.
As shown in fig. 4, the concrete 1 needs to be vibrated during the casting process. For concrete 1 with a large thickness, for example, more than 20cm, it is particularly necessary to prevent the rubber blocks 3 from shifting during vibration, or prevent the positioning steel rods 61 from tilting. Because the strong vibration may cause the shape of the formed concrete 1 to deform, even the quality of the formed concrete does not reach the standard. Therefore, the steel chisel restorer and the forming restorer are further designed and optimized aiming at the fixation of the fixed steel chisel.
The drill rod restorer comprises an intermediate connecting rod 56 and two drill rod restoring assemblies, as shown in fig. 4, wherein each drill rod restoring assembly comprises a lantern ring 51, a kidney-shaped hole 51a is formed in each lantern ring 51, and the lantern rings 51 can be sleeved and fixed on a positioning drill rod 61 from top to bottom by utilizing the kidney-shaped holes 51 a. A threaded rod 52 is hinged on the lantern ring 51, and an adjusting nut 55 is screwed on the threaded rod 52. The threaded rod 52 is also slidably connected with a rotary joint 53, that is, the rotary joint 53 can slide back and forth along the axial direction of the threaded rod 52. A compression spring 54 is arranged between the rotary joint 53 and the adjusting nut 55, and the compression spring 54 is sleeved on the threaded rod 52. In a specific implementation, the intermediate link 56 is a common steel pipe, and the steel pipe is fixedly connected with the rotary joint 53 through a fastener.
The molded repositor, as shown in fig. 4, comprises a door-shaped frame 42 and two pressure applying assemblies comprising a pressing block 43 and a large bolt 41. The two pressure applying assemblies are respectively and symmetrically arranged at the end heads of the two sides of the door-shaped frame 42, the pressing block 43 is arranged on the inner side of the door-shaped frame 42, the head of the large bolt 41 penetrates through the door-shaped frame 42 from outside to inside and then is rotatably connected with the pressing block 43, and the large bolt 41 is in threaded fit with the door-shaped frame 42. Turning the large bolt 41 causes the hold down 43 to move horizontally side to side as shown in fig. 4 and 5. When the pressing block 43 abuts against the fixed component or the rubber block 3, the pressing block 43 can be used for pressing and resetting the fixed component or the rubber block 3.
The working principle of the side die system 2 in this case is described in the following with specific embodiments:
the first step is as follows: firstly, positioning and paying off in a construction area according to design requirements, delimiting side lines of a pedestrian road and determining point location elevations;
the second step is that: confirming that the sideline and the elevation are correct, laying a cushion layer, and transporting the side form system 2 to a preset place beside the pedestrian road;
thirdly, installing the side mould system 2:
a. the rubber blocks 3 are sequentially placed along the side line of the pedestrian road, and the length direction of the rubber blocks 3 is consistent with the length direction of deformation of the pedestrian road;
b. erecting the placed rubber block 3, and then installing a head fixing clamp 62 on the rubber block 3; for the straight sidelines, a head fixing clip 62 and a bottom fixing clip 63 can be arranged every 30cm to 50cm, the head fixing clip 62 and the bottom fixing clip 63 are fixed on the ground from top to bottom by using a positioning steel chisel 61, and the rubber block 3 is kept in an upright state; for the arc-shaped sidelines, a head fixing clip 62 and a bottom fixing clip 63 can be arranged every 10cm to 20cm, and the trapping fixing clip and the bottom fixing clip 63 at the positions can be fixed by using a positioning steel rod 61;
the fourth step: if the rubber blocks 3 already contain the cold-drawn steel wires 7, the rubber blocks 3 only need to be flattened, a fixing component is additionally arranged on each of two sides of the joint of two adjacent rubber blocks 3, and finally the linearity of all the rubber blocks 3 is compounded to meet the design requirement; if the cold-drawn steel wires 7 are installed after installation, the cold-drawn steel wires 7 penetrate into the rubber blocks 3 along the length direction of the rubber blocks 3, meanwhile, a fixing component is additionally installed on each of two sides of the joint of every two adjacent rubber blocks 3, after all the rubber blocks 3 are installed in place, the cold-drawn steel wires 7 are manually pulled to enable the joints of all the rubber blocks 3 to be tight, then the cold-drawn steel wires 7 are fixed, and finally whether the linearity of all the rubber blocks 3 meets the design requirements is checked;
the fifth step: brushing a release agent on the surface of the inner membrane of the rubber block 3, or paving a plastic film on the surface of the inner membrane of the rubber block 3, wherein the plastic film can be used for replacing the release agent, and whether the whole side formwork system 2 has gaps or is stable is checked; after the inspection is finished, the side formwork system 2 is installed;
and a sixth step: after the side formwork system 2 is installed, making height marks on the rubber blocks 3, controlling the forming height of the formed concrete 1 by using the height marks, and then starting to pour the concrete 1; in the process of pouring the concrete 1, a vibrating rod or a flat plate type vibrating device is needed to vibrate the concrete 1; for such sidewalk concrete 1, we generally prefer to use a flat plate type vibration device, because the flat plate type vibration device has a large action area, the concrete 1 on such ground is easier to operate;
the seventh step: in the vibrating process of the concrete 1, if the side form system 2 has a weak link, for example, a positioning steel chisel 61 is loosened, inclined outwards or deviated at a certain position due to geological foundation, a steel chisel restorer can be additionally used at the position, the steel chisel restorer is used at the position to ensure that the side form system 2 at the position does not have the phenomenon of edge collapse due to vibrating, and the forming size of the concrete 1 is ensured;
eighth step: before the concrete 1 is vibrated and initially set, if partial collapse occurs on the part of the concrete 1 and the partial rubber blocks 3 bulge outwards, a forming restorer is used at the position, two pressing blocks 43 of the forming restorer are relatively and respectively abutted against fixing components on two opposite sides of the concrete 1, then two large bolts 41 of the forming restorer are rotated, threaded pressing force is applied to the pressing blocks 43 by the two large bolts 41, and then the pressing blocks 43 are used for restoring the rubber blocks 3 to the designed positions and the upright shapes until the concrete 1 reaches the initial setting stage to the final setting stage and is not deformed;
the ninth step: after the initial setting of the concrete 1 is completed, firstly taking down all the steel chisel repositioners, and then taking down all the forming repositioners; and (3) after the concrete 1 reaches the final setting time, removing the real side formwork system 2, and cleaning and recovering the side formwork system 2, thereby completing the pouring of the concrete 1 of the whole sidewalk.
The above description is only exemplary of the present invention and should not be taken as limiting, and any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a dysmorphism road surface concrete side form system which characterized in that: the rubber block comprises a fixing component and a rubber block (3) which is in a long rectangular shape, wherein a plurality of cold-drawn steel wires (7) are arranged in the rubber block (3) along the long direction, the shape of the rubber block (3) is restrained through the cold-drawn steel wires (7), and the cross sections of the rubber block (3) along the length direction are respectively an inner membrane plate surface and an outer fixing surface which are opposite from left to right, and an upper side edge and a lower side edge which are opposite from top to bottom; the fixing assembly comprises a head fixing clamp (62), a bottom fixing clamp (63) and a positioning steel rod (61), the head fixing clamp (62) is provided with a groove, the upper side of the rubber block (3) is embedded into the groove, the upper side of the rubber block (3) can be detachably fixed with the head fixing clamp (62) through the groove, and the head fixing clamp (62) is provided with a first fixing hole (62a) through which the positioning steel rod (61) can vertically penetrate; the bottom fixing clamp (63) is L-shaped, and one edge of the bottom fixing clamp (63) is provided with a second fixing hole (63a) through which a positioning steel chisel (61) can vertically penetrate.
2. The profiled pavement concrete side form system as recited in claim 1, wherein: a plurality of limiting holes are formed in the rubber block (3) along the long direction, a plurality of cold-drawn steel wires (7) penetrate through the limiting holes, and one limiting hole corresponds to one cold-drawn steel wire (7).
3. The profiled pavement concrete side form system as recited in claim 2, wherein: the surface of the rubber block (3) where the inner film plate surface is connected with the lower side edge is an arc surface, namely the inner film plate surface is transited to the lower side edge by the arc surface.
4. The profiled pavement concrete side form system as recited in claim 3, wherein: a plurality of gaps (3a) are arranged in the length direction of the upper side edge of the rubber block (3).
5. The profiled pavement concrete side form system as claimed in claim 4, wherein: the inner membrane plate surface is provided with a plurality of hidden grooves (3b) along the length direction of the rubber block (3), one hidden groove (3b) corresponds to one notch (3a), and the hidden grooves (3b) are connected with the notches (3 a); when the head fixing clip (62) is clipped on the gap (3a), the outer side surface of the head fixing clip (62) close to the surface of the inner membrane and the surface of the inner membrane are positioned on the same plane.
6. The profiled pavement concrete side form system as recited in claim 5, wherein: an ear part (62b) is formed at the position of the head fixing clip (62) close to the outer fixing surface, and the whole length of the ear part (62b) is half of the width of the rubber block (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011293399.9A CN112482152A (en) | 2020-11-18 | 2020-11-18 | Special-shaped pavement concrete side formwork system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011293399.9A CN112482152A (en) | 2020-11-18 | 2020-11-18 | Special-shaped pavement concrete side formwork system |
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| Publication Number | Publication Date |
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| CN112482152A true CN112482152A (en) | 2021-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011293399.9A Withdrawn CN112482152A (en) | 2020-11-18 | 2020-11-18 | Special-shaped pavement concrete side formwork system |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4712764A (en) * | 1986-05-23 | 1987-12-15 | Lee Roy White | Flexible forms |
| CN1269857A (en) * | 1997-09-05 | 2000-10-11 | 小迈克尔·E·沙特泽 | Flexible concrete form |
| US20040144053A1 (en) * | 2002-12-05 | 2004-07-29 | Lane Jenkins | Positioning tool for concrete forming boards |
| CN103938859A (en) * | 2014-03-27 | 2014-07-23 | 张红亮 | Sealing element and sealing structure for building formwork |
| CN207259923U (en) * | 2017-07-25 | 2018-04-20 | 济南城建集团有限公司 | New concrete road side form plate device |
| WO2020097663A1 (en) * | 2018-11-16 | 2020-05-22 | Form Jig Pty Ltd | Assembly for clamping formwork |
| CN211815406U (en) * | 2020-03-02 | 2020-10-30 | 郝建明 | Pavement construction is with fixed setting template of being convenient for |
| CN211848779U (en) * | 2019-09-23 | 2020-11-03 | 杨献平 | Mix dirt road surface limit side form and support auxiliary device |
-
2020
- 2020-11-18 CN CN202011293399.9A patent/CN112482152A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4712764A (en) * | 1986-05-23 | 1987-12-15 | Lee Roy White | Flexible forms |
| CN1269857A (en) * | 1997-09-05 | 2000-10-11 | 小迈克尔·E·沙特泽 | Flexible concrete form |
| US20040144053A1 (en) * | 2002-12-05 | 2004-07-29 | Lane Jenkins | Positioning tool for concrete forming boards |
| CN103938859A (en) * | 2014-03-27 | 2014-07-23 | 张红亮 | Sealing element and sealing structure for building formwork |
| CN207259923U (en) * | 2017-07-25 | 2018-04-20 | 济南城建集团有限公司 | New concrete road side form plate device |
| WO2020097663A1 (en) * | 2018-11-16 | 2020-05-22 | Form Jig Pty Ltd | Assembly for clamping formwork |
| CN211848779U (en) * | 2019-09-23 | 2020-11-03 | 杨献平 | Mix dirt road surface limit side form and support auxiliary device |
| CN211815406U (en) * | 2020-03-02 | 2020-10-30 | 郝建明 | Pavement construction is with fixed setting template of being convenient for |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210312 |
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| WW01 | Invention patent application withdrawn after publication |