CN109555315B - Form removing system and form removing method for building form - Google Patents
Form removing system and form removing method for building form Download PDFInfo
- Publication number
- CN109555315B CN109555315B CN201910073619.8A CN201910073619A CN109555315B CN 109555315 B CN109555315 B CN 109555315B CN 201910073619 A CN201910073619 A CN 201910073619A CN 109555315 B CN109555315 B CN 109555315B
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- Prior art keywords
- plate
- rod
- universal plate
- cylinder
- universal
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Links
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000007493 shaping process Methods 0.000 claims abstract description 30
- 238000005192 partition Methods 0.000 claims description 24
- 238000009415 formwork Methods 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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
- E04G19/00—Auxiliary treatment of forms, e.g. dismantling; Cleaning devices
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention relates to a building template demolding system, which structurally comprises a universal plate, a bridge cylinder and a demolding rod; the universal plate is used for connecting the shaping template, the bridge cylinder is installed in the courtyard of the universal plate, the disassembly rod is screwed into the preset bolt hole of the universal plate through the internal thread of the bridge cylinder, and the disassembly rod is rotated to separate the universal plate and the shaping template connected with the universal plate from the concrete surface. The invention also discloses a method for using the form stripping system of the building form, which comprises the following steps: at the position of installing the through-wall bolt, the through-wall bolt is directly screwed into the bridge cylinder in the patio part by the dismounting rod, so that the template is separated from the concrete wall surface, and the die is dismounted; and at a position where the through-wall bolt is not installed, the bridge cylinder is installed and fixed in the courtyard part, the disassembly rod is screwed into the bridge cylinder, the end part of the disassembly rod is propped open to form a hidden bolt hole, and the universal plate drives the wall form connected with the universal plate to be separated from the concrete surface, so that the form removal is completed. The invention can use the tool to complete quick die stripping, and has simple operation and time and labor saving.
Description
Technical Field
The invention relates to a form removal device, in particular to a form removal system and a form removal method of a building form.
Background
In the construction engineering of building, after wall body or building body are pour and the concrete is solidified, all need to pull down the template that establishes, the work of tearing open the form now all adopts the crow bar to sled the template, because concrete can adhere the template in the solidification process, so when tearing open the form required power very big, adopts the crow bar probably can be pried the template bad and need carry out the prying to carry out the prying with template many places just can separate template and concrete face.
Disclosure of Invention
The invention aims to provide a form stripping system and a form stripping method for a building form, which are used for solving the problems that the existing form stripping is difficult, time-consuming and labor-consuming and the form is easy to damage.
The invention is realized in the following way: a form removal system of a building form comprises a universal plate, a bridge cylinder and a removal rod; the universal plate is used for connecting the shaping template, the bridge cylinder is arranged in the universal plate, the disassembly rod is in threaded connection in the bridge cylinder and penetrates through the universal plate, and the universal plate connected with the shaping template is separated from the concrete surface by rotating the disassembly rod.
The bridge cylinder comprises a cylinder body, a convex block and engagement teeth; the inner wall of the cylinder body is provided with threads, the protruding blocks are arranged at the lower parts of the two sides of the cylinder body, and the engaging teeth are arranged at the upper end of the cylinder body.
The universal plate comprises a panel, a partition plate, a plate ridge, a connecting hole part and a courtyard part; the panel is a long strip plate, a plurality of partition plates are uniformly distributed along the length direction of the panel, the partition plates are mutually perpendicular to the panel, the two side surfaces of the partition plates are respectively overlapped with the two side surfaces of the panel, the plate ridge is a rectangular cylinder, the plate ridge is distributed at two corners on the upper part of the partition plates, the length of the plate ridge is the same as that of the panel, a unit body is arranged between two adjacent partition plates, a part plate is arranged in the middle of the unit body to divide the unit body into two parts along the length direction of the panel, namely the connecting hole part and the patio part; the front side and the rear side of the patio are respectively provided with a side rib, the side ribs are provided with operation holes, and the partition plates at the two ends of the patio are respectively provided with a barrel shoulder; an upper hole rib and a lower hole rib are respectively arranged on the upper surface and the lower surface of the connecting hole part, two ends of the upper hole rib and the lower hole rib are respectively connected with the partition plate and the partition plate, the upper part of the upper hole rib is connected with the plate ridges on two sides, and a connecting hole is formed between the upper hole rib and the lower hole rib; the blind bolt holes are formed in the plate surface of the patio part, and are in a sealing state when the blind bolt holes are not used.
The disassembly rod comprises a rod part and a head part, wherein the rod part is a threaded rod, and the top surface of the head part is provided with a notch.
The cross section of the notch of the head is rectangular, inner hexagonal, cross or straight.
The invention also discloses a method for removing the building template, which comprises the following steps: after the wall body is poured and the concrete is solidified, the bridge cylinder is installed and fixed in the courtyard part of the universal plate, the disassembly rod is screwed into the bridge cylinder, the top of the disassembly rod is propped against the plate surface of the concealed bolt hole, the disassembly rod is continuously rotated, the concealed bolt hole is propped open by the disassembly rod, and the universal plate and the shaping template connected with the universal plate are separated from the concrete surface together.
If the position of the demolding is the position of the through-wall bolt, a bridge cylinder left by the through-wall bolt system is arranged in the patio part, the disassembling rod is directly screwed into the bridge cylinder, the top of the disassembling rod is propped against the mold top, and the disassembling rod is continuously rotated, so that the universal plate and the shaping template connected with the universal plate are separated from the concrete surface together.
The universal plate is connected with the shaping template of the wall body, the inner wall of the bridge cylinder clamped in the patio part of the shaping template is provided with threads, the disassembly rod and the bridge cylinder are in threaded connection to form a threaded driving mechanism, the disassembly rod and the universal plate are relatively moved by rotating the disassembly rod, when the end part of the disassembly rod is propped against the solidified concrete surface, the disassembly rod is not absolutely moved any more, if the bridge cylinder installed in the wall-penetrating bolt system is directly utilized, the end part of the disassembly rod is propped against the die top and cannot be continuously moved, so that the relative movement between the disassembly rod and the universal plate is reflected as the separation of the universal plate from the concrete surface. When the lever is rotated to be disassembled, an automatic tool, such as an electric, pneumatic or hydraulic wrench, is used for screwing the lever into the universal plate by the wrench, and the wrench generates vibration and is transmitted to the shaping template by the lever and the universal plate, so that vibration is generated between the shaping template and the concrete surface, and the detachment of the shaping template from the concrete surface is accelerated.
The invention can realize quick die stripping, and utilizes an automatic tool, thereby saving time and labor.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the construction of the release lever of the present invention.
Fig. 3 is a schematic structural view of the bridge cylinder of the present invention.
Fig. 4 is a top view of the bridge sleeve of the present invention.
FIG. 5 is a schematic structural view of the universal plate of the present invention.
FIG. 6 is a perspective view of a universal plate of the present invention.
In the figure: 1. disassembling the rod; 2. a bridge cylinder; 3. a universal plate; 4. shaping a template; 1-1, a rod part; 1-2, head; 1-3, a notch; 2-1, a cylinder; 2-2, protruding blocks; 2-3, occluding teeth; 2-4 parts of convex edges; 3-1, a panel; 3-2, a separator; 3-3, plate ridges; 3-4, connecting hole parts; 3-5, patio; 3-6, separating plates; 3-7, upper hole ribs; 3-8, lower hole ribs; 3-9, connecting holes; 3-10, slurry discharging holes; 3-11, side ribs; 3-12, an operation hole; 3-13, a concealed bolt hole; 3-14, a barrel shoulder; 3-15, ridge and ditch; 3-16, a pedestal; 3-17, abutment.
Detailed Description
As shown in fig. 1, the present invention includes a universal plate 3, a bridge cylinder 2, and a knock-out bar 1. The universal plate 3 is used for connecting the shaping template 4, the bridge cylinder 2 is arranged in the universal plate 3, the disassembly rod 1 is in threaded connection in the bridge cylinder 2 and penetrates through the universal plate 3, and the universal plate 3 connected with the shaping template 4 is separated from the concrete surface by rotating the disassembly rod 1.
As shown in fig. 2, the disassembly rod 1 comprises a rod part 1-1 and a head part 1-2, the rod part 1-1 is a threaded rod, the pitch diameter of the threads of the rod part 1-1 is the same as the pitch diameter of the threads on the inner wall of the barrel 2-1 of the bridge barrel 2, and the disassembly rod 1 and the bridge barrel 2 are in threaded fit to form a thread driving mechanism. The top surface of the head part 1-1 of the disassembly rod 1 is provided with a notch 1-3, and the cross section of the notch 1-3 is rectangular, internal hexagonal, cross-shaped or straight-shaped, etc., so that a tool can be used for driving the disassembly rod 1 to rotate.
As shown in fig. 3 and 4, the bridge cylinder 1 comprises a cylinder body 2-1, a lug 2-2 and a meshing tooth 2-3; the inner wall of the cylinder body 2-1 is provided with threads, the convex blocks 2-2 are arranged at the lower parts of the two sides of the cylinder body 2-1, and the engaging teeth 2-3 are arranged at the upper end of the cylinder body 2-1. The lug 2-2 is symmetrical about the central axis of the cylinder 2-1, the right side surface of the lug 2-2 is a vertical plane along the diameter direction of the cylinder 2-1, the left side surface of the lug 2-2 is a vertical plane tangent to the outer wall of the cylinder 2-1, the upper end surface and the lower end surface of the lug 2-2 are both horizontal planes, and the lower end surface is level with the lower end surface of the cylinder 2-1. The engaging teeth 2-3 are bent plates protruding out of the top end of the cylinder 2-1, the inner side surface and the outer side surface of the engaging teeth 2-3 are respectively overlapped with the inner wall and the outer wall of the cylinder 2-1, and the directions of the two end surfaces of the engaging teeth 2-3 are the diameter direction of the cylinder 2-1. The number of the engaging teeth 2-3 is several, and the engaging teeth 2-3 are uniformly distributed around the central axis of the cylinder 2-1, and the space between two adjacent engaging teeth 2-3 can just accommodate one engaging tooth 2-3. The two sides of the cylinder body 2-1 are also provided with vertical ribs 2-4, the upper ends of the ribs 2-4 are flush with the upper end face of the cylinder body 2-1, the lower ends of the ribs 2-4 are connected with the upper end face of the convex blocks 2-2, and the right side faces of the ribs 2-4 are flush with the right side faces of the convex blocks 2-2. The biting teeth 2-3 are located at positions where the ribs 2-4 are provided.
As shown in fig. 5 and 6, the universal plate 3 includes a face plate 3-1, a partition plate 3-2, a plate ridge 3-3, a connecting hole portion 3-4, and a patio portion 3-5. The panel 3-1 is a long strip plate, a plurality of baffle plates 3-2 are uniformly distributed along the length direction of the panel 3-1, the baffle plates 3-2 are mutually perpendicular to the panel 3-1, two side surfaces of the baffle plates 3-2 are respectively overlapped with two side surfaces of the panel 3-1, the plate ridge 3-3 is a rectangular cylinder, the plate ridge 3-3 is distributed at two corners of the upper part of the baffle plates 3-2, the length of the plate ridge 3-3 is identical to that of the panel 3-1, a unit body is arranged between two adjacent baffle plates 3-2, a part plate 3-6 is arranged in the middle of the unit body to divide the unit body into two parts along the length direction of the panel 3-1, and the two parts are respectively a connecting hole part 3-4 and a patio part 3-5. The front and rear sides of the patio part 3-5 are respectively provided with a side rib 3-11, the side rib 3-11 is provided with an operation hole 3-12, and the partition plates 3-2 and the separating plates 3-6 at the two ends of the patio part 3-5 are respectively provided with a barrel shoulder 3-14. The upper and lower surfaces of the connecting hole part 3-4 are respectively provided with an upper hole rib 3-7 and a lower hole rib 3-8, two ends of the upper hole rib 3-7 and the lower hole rib 3-8 are respectively connected with the partition plate 3-2 and the separating plate 3-6, the upper part of the upper hole rib 3-7 is connected with the plate ridges 3-3 on two sides, and a connecting hole 3-9 is formed between the upper hole rib 3-7 and the lower hole rib 3-8. The shape of the connecting holes 3-9 is rectangular, and the height of the connecting holes 3-9 is the same as that of the connecting holes 3-9 of the shaping template 6 matched with the universal plate 3. A ridge groove 3-15 is formed between two plate ridges 3-3 at the upper part of the upper hole rib 3-7, two ends of the ridge groove 3-15 are connected with the partition plate 3-2 and the partition plate 3-6, a pedestal 3-16 flush with the upper surface of the plate ridge 3-3 is arranged in the middle of the ridge groove 3-15, a bridge abutment 3-17 protruding out of the upper surface of the plate ridge 3-3 is arranged on the pedestal 3-16, and the pedestal 3-16 and the partition plate 3-2 are parallel to each other. The lower hole ribs 3-8 are provided with a plurality of slurry discharging holes 3-10 along the width direction of the panel 3-1. The panel 3-1 of the patio 3-5 is provided with a hidden bolt hole 3-13. The barrel shoulders 3-14 are provided with vertical long grooves, one side of the bottoms of the barrel shoulders 3-14 is provided with a notch, the vertical long grooves are communicated with the notch, and the notch positions on the two barrel shoulders 3-14 are opposite sides. The width of the division plate 3-6 is slightly smaller than that of the division plate 3-2, and cover plates can be arranged on two sides of the universal plate 3 to seal the side surfaces of the universal plate 3.
The invention also discloses a method for removing the building template, which comprises the following steps: according to the method, based on the formwork stripping system of the building formwork, after the wall body is poured, concrete is waited to solidify and the requirement of the formwork stripping is met, the bridge cylinder 2 is installed and fixed in the patio part 3-5, the bridge cylinder 2 is clamped on the cylinder shoulder 3-14 of the patio part 3-5 by rotating the bridge cylinder 2, the disassembly rod 1 is screwed into the bridge cylinder 2, the end part of the disassembly rod 1 is propped against the plate surface of the hidden bolt hole 3-13 of the patio part 3-5, then the disassembly rod 1 is continuously rotated, the disassembly rod 1 cannot continuously advance, so that the universal plate 3 is far away from the concrete surface, the disassembly rod 1 props up the hidden bolt hole 3-13, the universal plate 3 is separated from the concrete surface by the reaction force generated by the disassembly rod 1 penetrating through the hidden bolt hole 3-13, and the shaping formwork 4 connected and fixed with the universal plate 3 is simultaneously driven to be separated from the concrete surface.
If the position for performing the form removal operation is the position where the through-wall bolts are installed before, the bridge cylinder 2 which is not removed is left at the patio part 3-5 after the through-wall bolts are removed, the removing rod is directly screwed into the bridge cylinder 2, the end part of the removing rod 1 is propped against the die top, the removing rod 1 is continuously rotated, and the universal plate 3 and the shaping template 4 connected with the universal plate are separated from the concrete surface by the removing rod 1.
The rotary disassembly rod 1 is an electric, pneumatic or hydraulic wrench, and the protection function of the electric and hydraulic wrench can generate vibration when rotation is blocked, and the generated vibration is transmitted to the contact surface of the shaping template 4 and the concrete of the whole wall surface, so that the shaping template 4 and the concrete surface are quickly separated, and the disassembly of the whole wall surface can be realized.
The universal plate 3 is connected with the shaping template 4 of the wall body, the inner wall of the bridge cylinder 2 clamped in the patio part 3-5 of the shaping template 4 is provided with threads, the disassembly rod 1 and the bridge cylinder 2 are in threaded connection to form a threaded driving mechanism, the disassembly rod 1 and the universal plate 3 are relatively moved by rotating the disassembly rod 1, when the end part of the disassembly rod 1 is propped against a solidified concrete surface, the disassembly rod 1 is not absolutely moved any more, and thus, the relative movement between the disassembly rod 1 and the universal plate 3 is reflected as the separation of the universal plate 3 and the shaping template 4 from the concrete surface. If the wall penetrating bolt system is directly utilized in formwork supporting, the disassembling rod 1 is directly screwed into the bridge cylinder 2, the end part of the disassembling rod 1 is propped against the formwork top, and the universal plate 3 and the shaping formwork 4 can be separated from the concrete surface by continuously rotating the disassembling rod 1. When the lever 1 is rotated, an automatic tool is used, the tool can be an electric, pneumatic or hydraulic wrench, the wrench screws the lever 1 into the universal plate 3, after the lever 1 is disassembled to be contacted with the concrete surface, the electric, pneumatic or hydraulic wrench can generate vibration due to an automatic protection function, and the vibration is transmitted to the shaping template 4 through the lever 1 and the universal plate 3, so that the shaping template 4 and the concrete surface vibrate, and the separation of the shaping template 4 from the concrete surface is accelerated.
The invention can realize quick die stripping, and utilizes an automatic tool, thereby saving time and labor.
Claims (5)
1. The form removing system of the building form is characterized by comprising a universal plate, a bridge cylinder and a removing rod; the universal plate is used for connecting the shaping template, the bridge cylinder is arranged in the universal plate, the disassembly rod is in threaded connection in the bridge cylinder and penetrates through the universal plate, and the universal plate connected with the shaping template is separated from the concrete surface by rotating the disassembly rod; the bridge cylinder comprises a cylinder body, a convex block and engagement teeth; the inner wall of the cylinder body is provided with threads, the convex blocks are arranged at the lower parts of the two sides of the cylinder body, and the engagement teeth are arranged at the upper end of the cylinder body; the universal plate comprises a panel, a partition plate, a plate ridge, a connecting hole part and a courtyard part; the panel is a long strip plate, a plurality of partition plates are uniformly distributed along the length direction of the panel, the partition plates are mutually perpendicular to the panel, the two side surfaces of the partition plates are respectively overlapped with the two side surfaces of the panel, the plate ridge is a rectangular cylinder, the plate ridge is distributed at two corners on the upper part of the partition plates, the length of the plate ridge is the same as that of the panel, a unit body is arranged between two adjacent partition plates, a part plate is arranged in the middle of the unit body to divide the unit body into two parts along the length direction of the panel, namely the connecting hole part and the patio part; the front side and the rear side of the patio are respectively provided with a side rib, the side ribs are provided with operation holes, and the partition plates at the two ends of the patio are respectively provided with a barrel shoulder; an upper hole rib and a lower hole rib are respectively arranged on the upper surface and the lower surface of the connecting hole part, two ends of the upper hole rib and the lower hole rib are respectively connected with the partition plate and the partition plate, the upper part of the upper hole rib is connected with the plate ridges on two sides, and a connecting hole is formed between the upper hole rib and the lower hole rib; the blind bolt holes are formed in the plate surface of the patio part, and are in a sealing state when the blind bolt holes are not used.
2. The form removal system of claim 1, wherein the removal bar comprises a bar portion and a head portion, the bar portion being a threaded bar, the head portion having a top surface notched.
3. The form removal system of claim 2, wherein the head slot has a rectangular, hexagonal, cross-shaped or in-line cross-sectional shape.
4. The method for removing the formwork of the building formwork is characterized in that the formwork removing system of the building formwork is utilized, after wall pouring is completed and concrete is solidified, a bridge cylinder is installed and fixed in a courtyard part of a universal plate, a removing rod is screwed into the bridge cylinder, the top of the removing rod is propped against the plate surface of a concealed bolt hole, the removing rod is continuously rotated, the concealed bolt hole is propped open by the removing rod, and the universal plate and a shaping formwork connected with the universal plate are separated from the concrete surface together.
5. The method for removing formwork from building formwork according to claim 4, wherein if the position of the removing formwork is the position of the through-wall bolt, the bridge cylinder left by the through-wall bolt system is arranged in the patio, the removing rod is directly screwed into the bridge cylinder, the top of the removing rod is propped against the formwork top, and the removing rod is continuously rotated, so that the universal plate and the shaping formwork connected with the universal plate are separated from the concrete surface together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910073619.8A CN109555315B (en) | 2019-01-25 | 2019-01-25 | Form removing system and form removing method for building form |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910073619.8A CN109555315B (en) | 2019-01-25 | 2019-01-25 | Form removing system and form removing method for building form |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109555315A CN109555315A (en) | 2019-04-02 |
| CN109555315B true CN109555315B (en) | 2023-11-03 |
Family
ID=65873677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910073619.8A Active CN109555315B (en) | 2019-01-25 | 2019-01-25 | Form removing system and form removing method for building form |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109555315B (en) |
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| CN202370252U (en) * | 2011-12-20 | 2012-08-08 | 中国葛洲坝集团股份有限公司 | Underwater concrete formwork removal device |
| JP2014125800A (en) * | 2012-12-27 | 2014-07-07 | Kunimoto Co Ltd | Auxiliary tool for concrete form assembly |
| CN204960328U (en) * | 2015-09-24 | 2016-01-13 | 中建八局第二建设有限公司 | Movement joint is with supplementary form removal device |
| CN206220520U (en) * | 2016-09-26 | 2017-06-06 | 中国一冶集团有限公司 | The wall column sizing lossless dismounting device of plank sheathing |
| CN107268995A (en) * | 2017-07-25 | 2017-10-20 | 河北润林新材料科技有限公司 | Cast template splices bridge plate and its application method |
| CN207934455U (en) * | 2017-12-25 | 2018-10-02 | 上海二十冶建设有限公司 | The stripper apparatus of concrete steel formwork |
| CN209556379U (en) * | 2019-01-25 | 2019-10-29 | 河北润林新材料科技有限公司 | A kind of demoulding system of building template |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6523323B2 (en) * | 2001-07-20 | 2003-02-25 | Wall-Ties & Forms, Inc. | Method and apparatus for ganging together concrete forms |
-
2019
- 2019-01-25 CN CN201910073619.8A patent/CN109555315B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201339322Y (en) * | 2008-12-23 | 2009-11-04 | 中国建筑第四工程局有限公司 | Special ejector for large steel formwork |
| CN202370252U (en) * | 2011-12-20 | 2012-08-08 | 中国葛洲坝集团股份有限公司 | Underwater concrete formwork removal device |
| JP2014125800A (en) * | 2012-12-27 | 2014-07-07 | Kunimoto Co Ltd | Auxiliary tool for concrete form assembly |
| CN204960328U (en) * | 2015-09-24 | 2016-01-13 | 中建八局第二建设有限公司 | Movement joint is with supplementary form removal device |
| CN206220520U (en) * | 2016-09-26 | 2017-06-06 | 中国一冶集团有限公司 | The wall column sizing lossless dismounting device of plank sheathing |
| CN107268995A (en) * | 2017-07-25 | 2017-10-20 | 河北润林新材料科技有限公司 | Cast template splices bridge plate and its application method |
| CN207934455U (en) * | 2017-12-25 | 2018-10-02 | 上海二十冶建设有限公司 | The stripper apparatus of concrete steel formwork |
| CN209556379U (en) * | 2019-01-25 | 2019-10-29 | 河北润林新材料科技有限公司 | A kind of demoulding system of building template |
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| Publication number | Publication date |
|---|---|
| CN109555315A (en) | 2019-04-02 |
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