WO2022073257A1 - Reusable mold shell for multi-ribbed beam - Google Patents
Reusable mold shell for multi-ribbed beam Download PDFInfo
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- WO2022073257A1 WO2022073257A1 PCT/CN2020/122305 CN2020122305W WO2022073257A1 WO 2022073257 A1 WO2022073257 A1 WO 2022073257A1 CN 2020122305 W CN2020122305 W CN 2020122305W WO 2022073257 A1 WO2022073257 A1 WO 2022073257A1
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- Prior art keywords
- mold shell
- formwork
- mold
- revolving
- support arm
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 11
- 238000005266 casting Methods 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 238000009415 formwork Methods 0.000 claims description 29
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000012943 hotmelt Substances 0.000 claims description 2
- 238000013329 compounding Methods 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 230000007306 turnover Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000004568 cement Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Images
Classifications
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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
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- 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
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/04—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for lintels, beams, or transoms to be encased separately; Special tying or clamping means therefor
Definitions
- the utility model relates to the technical field of building construction, in particular to a building formwork used for the construction of a dense rib floor.
- the dense-ribbed floor composed of thin plates and rib beams with small spacing is widely used in underground and large-span, large-span, large-space, and large-span, large-load, large-space underground and large-span buildings with many advantages such as wide application range, material saving, rapid construction, and reduced building weight. Construction of multi-storey and high-rise buildings.
- the formwork can be divided into a turnover formwork and a disposable formwork.
- the turnover mold shell there are mainly three kinds of plastic (such as polypropylene) mold shell, glass fiber reinforced plastic mold shell and steel mold shell.
- Steel formwork has a long service life, but is heavy and costly.
- FRP mold shells also have defects such as high cost and long processing and curing time in winter. That is, the above-mentioned mold shells made of a single material all have obvious defects.
- a turnover mold shell for a dense rib beam including a mold shell body, and the mold shell body includes a mold shell upper bottom, and a joint with the upper bottom.
- the connected peripheral side wall is characterized in that: the mold shell further comprises a frame arranged at the bottom of the peripheral side wall, and the frame and the mold shell body are formed by one-time casting of the mold, and the mold shell is formed after cooling and demoulding.
- the frame is made of metal material.
- the frame has a vertically extending edge, and a through hole for connecting with the rib beam formwork is opened on the vertically extending edge.
- the formwork is connected to the rib beam formwork through the through hole by a bolt connection.
- the connection has better bearing performance, and at the same time, the effect of repeated disassembly and assembly is better.
- the frame further includes a support arm wrapping the bottom end of the side wall and extending upward.
- the upwardly extending support arm includes an upper support arm I and an upper support arm II which are arranged oppositely and have different lengths.
- the purpose of the unequal lengths of the upper arms is to stagger the two arms so as to prevent the side walls from being significantly thinner.
- the inside of the support arm is provided with a lateral protrusion extending in the direction of the side wall; the inside of the support arm is provided with a lateral groove of the support arm.
- the mold shell is formed by pouring the hot-melt plastic material through the mold, cooling and demoulding the frame made of aluminum.
- the included angle between the outer contour line of the cross-section of the peripheral side wall and the vertical direction is 5-20 degrees.
- the formwork is made of two kinds of materials, which not only saves the cost, but also increases the turnover times of the formwork and reduces the self-weight of the formwork;
- the formwork is connected to the rib beam formwork by bolts , which is convenient for the realization of quick release of the mold shell;
- the mold shell has the advantages of low investment, long service life and high operation efficiency.
- Figure 1 is a schematic view of the structure of the present invention
- Figure 2 is a schematic view of the frame structure
- Figure 3 is a view from the direction A of Figure 2
- Figure 4 is a view from the direction B of Figure 2 .
- 1 is the body of the mold shell
- 11 is the upper bottom of the mold shell
- 12 is the peripheral side wall
- 2 is the frame
- 21 is the vertically extending edge
- 22 is the through hole
- 23 is the upper arm I
- 231 is the lateral protrusion
- 24 is the The upper arm II
- 241 is a lateral groove of the arm.
- the utility model discloses a revolving mould shell for a dense rib beam.
- the structure of the revolving mould shell for a dense rib beam is as follows: a mould shell body 1 and a frame 2 are included, and the mould shell body 1 includes a mould shell upper bottom 11 and an upper The peripheral side wall 12 connected to the bottom 11, the frame 2 is arranged at the bottom of the peripheral side wall 12, the frame 2 and the shell body 1 are made of different materials, and after the frame and the mold are arranged, the molten material at high temperature is injected into the mold A mold shell is formed after one-time casting, cooling and demoulding.
- the frame 2 is made of a metal material, and in consideration of the convenience of processing and the cost of the material, an aluminum material is used in this embodiment.
- the frame can be either an integrally closed annular member, or a linear member with the same number of sides (generally four sides) as the peripheral sidewall of the mold shell, no matter which form is adopted, as long as it can be matched with the mold.
- the frame 2 has a vertically extending side 21, and the vertically extending side 21 is provided with a through hole 22 connected to the rib beam formwork.
- the connecting bolts are connected with the rib beam formwork through the through holes 22 to complete the fixing of the formwork.
- the frame also includes upper arms extending into the shell body.
- the upper support arm includes an upper support arm I23 and an upper support arm II24 which are oppositely arranged and have different lengths.
- the inner side of the upper support arm I23 is provided with a transverse protrusion 231, and the inner side of the upper support arm II24 is provided with a transverse groove 241 of the support arm. Both the transverse protrusion and the transverse groove of the support arm can achieve the purpose of increasing the composite firmness of the two materials after casting.
- the height of the support arm is different, and it can also meet the needs of the design strength.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
A reusable mold shell for a multi-ribbed beam, comprising a mold shell body (1). The mold shell body (1) comprises an upper mold shell base (11) and peripheral side walls (12) connected to the upper base; the mold shell also comprises a frame (2) provided at the bottom of the peripheral side walls (12); by means of the frame (2) and the mold shell body (1), a mold shell is formed by performing one-time casting molding, cooling and then demolding on a mold. The mold shell is obtained by compounding two materials, such that the cost is saved, the number of times of usage of the mold shell is improved, and the weight of the mold shell is reduced; the mold shell is connected to a ribbed beam mold plate by means of bolts, thus facilitating quick disassembly of the mold shell; and the mold shell has the advantages of being low in input, long in service life and high in operational efficiency.
Description
本实用新型涉及建筑施工技术领域，尤其是涉及密肋楼盖施工所用建筑模壳。The utility model relates to the technical field of building construction, in particular to a building formwork used for the construction of a dense rib floor.
由薄板和间距较小的肋梁组成的密肋楼盖，以其使用范围广、节省材料、施工迅速、降低建筑自重等诸多优点，被广泛使用于大跨度、大负荷、大空间的地下及多层和高层建筑物施工建设上。The dense-ribbed floor composed of thin plates and rib beams with small spacing is widely used in underground and large-span, large-span, large-space, and large-span, large-load, large-space underground and large-span buildings with many advantages such as wide application range, material saving, rapid construction, and reduced building weight. Construction of multi-storey and high-rise buildings.
现有技术中，无论是条铺法，还是满铺法的模壳铺装方法，使用中发现存在以下缺点：1)模壳可分为周转模壳和一次性模壳。对于周转模壳，主要有塑料(比如聚丙烯)模壳、玻璃钢模壳和钢模壳三种，塑料模壳成本低，但是周转率低、容易损坏。钢模壳使用寿命长，但是重量大，成本高。玻璃钢模壳亦存在造价高、冬季加工固化时间长等缺陷。即上述单一材质制成的模壳均存在较为明显的缺陷。2)在模壳的底部外边缘上开有钉孔，由钢钉经钉孔将模壳固定在肋梁模板上，为防止模壳拼缝处漏浆，在模壳与肋梁接缝处刮水泥腻子。冬季施工中，水泥腻子干燥所需时间长，在施工人员走动、机具振动、钢筋绑扎荷载等因素综合作用下，定位钢钉无法承载加大的负荷进而弯曲变形，使得模壳位移明显，混凝土浇注过程中漏浆现象严重。In the prior art, whether it is a strip laying method or a full laying method, the following disadvantages are found in use: 1) The formwork can be divided into a turnover formwork and a disposable formwork. For the turnover mold shell, there are mainly three kinds of plastic (such as polypropylene) mold shell, glass fiber reinforced plastic mold shell and steel mold shell. Steel formwork has a long service life, but is heavy and costly. FRP mold shells also have defects such as high cost and long processing and curing time in winter. That is, the above-mentioned mold shells made of a single material all have obvious defects. 2) There are nail holes on the bottom outer edge of the formwork, and the formwork is fixed on the rib beam formwork by steel nails through the nail holes. Scrape the cement putty. In winter construction, it takes a long time for the cement putty to dry. Under the combined action of the construction personnel walking, machine vibration, steel bar binding load and other factors, the positioning steel nails cannot bear the increased load and then bend and deform, making the formwork displacement obvious and concrete pouring. The phenomenon of slurry leakage is serious in the process.
发明内容SUMMARY OF THE INVENTION
本实用新型的目的在于克服现有技术中存在的缺点，提供一种密肋梁用周转模壳，该周转模壳采用复合材料制成，不仅有效降低了成本，且明显相对于聚丙烯单一制成的模壳，其周转次数增加，使用寿 命延长，采用的技术方案是：一种密肋梁用周转模壳，包括模壳本体，所述模壳本体包括模壳上底，以及与上底连接的周边侧壁，其特征在于：所述模壳还包括设置在周边侧壁底部的框架，框架与模壳本体由模具一次浇注成型、冷却脱模后形成所述模壳。The purpose of this utility model is to overcome the shortcomings in the prior art, and to provide a revolving mold shell for dense rib beams. The formed mold shell has increased turnover times and extended service life. The technical scheme adopted is: a turnover mold shell for a dense rib beam, including a mold shell body, and the mold shell body includes a mold shell upper bottom, and a joint with the upper bottom. The connected peripheral side wall is characterized in that: the mold shell further comprises a frame arranged at the bottom of the peripheral side wall, and the frame and the mold shell body are formed by one-time casting of the mold, and the mold shell is formed after cooling and demoulding.
考虑到加工的便利性和成本节约的需要，所述框架为金属材料制成。Considering the convenience of processing and the need for cost saving, the frame is made of metal material.
考虑到模壳安装的方便，所述框架具有垂直延伸边，所述垂直延伸边上开有与肋梁模板连接的贯通孔。经该贯通孔由螺栓连接件将模壳连接至肋梁模板上，相比于钢钉，该连接件具有更好的承载性能，同时反复拆装使用的效果更好。Considering the convenience of the installation of the formwork, the frame has a vertically extending edge, and a through hole for connecting with the rib beam formwork is opened on the vertically extending edge. The formwork is connected to the rib beam formwork through the through hole by a bolt connection. Compared with the steel nail, the connection has better bearing performance, and at the same time, the effect of repeated disassembly and assembly is better.
为加强连接牢固性，所述框架还包括包裹侧壁底端并向上延伸的支臂。In order to strengthen the connection firmness, the frame further includes a support arm wrapping the bottom end of the side wall and extending upward.
为进一步增加连接牢固性，所述向上延伸的支臂包括对向设置、长度不等的上支臂Ⅰ和上支臂Ⅱ。上支臂长度不等的目的在于将两支臂交错布置，以免侧壁明显变薄。In order to further increase the connection firmness, the upwardly extending support arm includes an upper support arm I and an upper support arm II which are arranged oppositely and have different lengths. The purpose of the unequal lengths of the upper arms is to stagger the two arms so as to prevent the side walls from being significantly thinner.
为进一步增加连接牢固性，所述支臂内部有向侧壁方向延伸的横向凸起；所述支臂内部开有支臂横向凹槽。In order to further increase the connection firmness, the inside of the support arm is provided with a lateral protrusion extending in the direction of the side wall; the inside of the support arm is provided with a lateral groove of the support arm.
考虑到材料成本和加工工艺的成熟性，所述模壳为铝制的框架经由模具浇注热熔的塑料材料、冷却脱模后形成。Considering the material cost and the maturity of the processing technology, the mold shell is formed by pouring the hot-melt plastic material through the mold, cooling and demoulding the frame made of aluminum.
为实现拆模顺利的目的，所述周边侧壁横截面外轮廓线与垂直方向夹角为5-20度。For the purpose of smooth demolding, the included angle between the outer contour line of the cross-section of the peripheral side wall and the vertical direction is 5-20 degrees.
本实用新型的有益效果在于：本模壳由两种材料复合而成，既节省了成本，又提高了模壳的周转次数，且降低了模壳自重；本模壳采用螺栓连接至肋梁模板，便于模壳快拆的实现；本模壳具有投入低、寿命长、操作效率高之优点。The beneficial effects of the utility model are: the formwork is made of two kinds of materials, which not only saves the cost, but also increases the turnover times of the formwork and reduces the self-weight of the formwork; the formwork is connected to the rib beam formwork by bolts , which is convenient for the realization of quick release of the mold shell; the mold shell has the advantages of low investment, long service life and high operation efficiency.
附图1是本实用新型结构示意图，附图2是框架结构示意图，附图3是附图2的A向视图，附图4是附图2的B向视图。Figure 1 is a schematic view of the structure of the present invention, Figure 2 is a schematic view of the frame structure, Figure 3 is a view from the direction A of Figure 2 , Figure 4 is a view from the direction B of Figure 2 .
其中1是模壳本体，11是模壳上底，12是周边侧壁，2是框架，21是垂直延伸边，22是贯通孔，23是上支臂Ⅰ，231是横向凸起，24是上支臂Ⅱ，241是支臂横向凹槽。1 is the body of the mold shell, 11 is the upper bottom of the mold shell, 12 is the peripheral side wall, 2 is the frame, 21 is the vertically extending edge, 22 is the through hole, 23 is the upper arm I, 231 is the lateral protrusion, 24 is the The upper arm II, 241 is a lateral groove of the arm.
下面结合附图，对本实用新型的具体实施方式进行说明。The specific embodiments of the present utility model will be described below with reference to the accompanying drawings.
本实用新型公开了一种密肋梁用周转模壳，该密肋梁用周转模壳的结构为：包括模壳本体1和框架2，模壳本体1包括模壳上底11，以及与上底11连接的周边侧壁12，框架2设置在周边侧壁12的底部，框架2与模壳本体1由不同材料制成，并在布置好框架以及模具后，将高温下熔融材料注入到模具一次浇注成型、冷却脱模后形成模壳。The utility model discloses a revolving mould shell for a dense rib beam. The structure of the revolving mould shell for a dense rib beam is as follows: a mould shell body 1 and a frame 2 are included, and the mould shell body 1 includes a mould shell upper bottom 11 and an upper The peripheral side wall 12 connected to the bottom 11, the frame 2 is arranged at the bottom of the peripheral side wall 12, the frame 2 and the shell body 1 are made of different materials, and after the frame and the mold are arranged, the molten material at high temperature is injected into the mold A mold shell is formed after one-time casting, cooling and demoulding.
框架2为金属材料制成，考虑到加工的便利以及材料的成本，本实施例采用铝材。框架既可为一整体闭合的环形构件，也可为数量与模壳周边侧壁的边数(一般为四边)相同的线型构件，无论采用哪种形式，只要能与模具相配合即可。The frame 2 is made of a metal material, and in consideration of the convenience of processing and the cost of the material, an aluminum material is used in this embodiment. The frame can be either an integrally closed annular member, or a linear member with the same number of sides (generally four sides) as the peripheral sidewall of the mold shell, no matter which form is adopted, as long as it can be matched with the mold.
本框架2具有垂直延伸边21，垂直延伸边21上开有与肋梁模板连接的贯通孔22。连接用的螺栓经该贯通孔22与肋梁模板连接，完成模壳的固定。框架还包括延伸至模壳本体内的上支臂。本实施例中上支臂包括对向设置、长度不等的上支臂Ⅰ23和上支臂Ⅱ24。上支臂Ⅰ23的内侧设横向凸起231，上支臂Ⅱ24内侧设支臂横向凹槽241，横向凸起和支臂横向凹槽均可达到增加浇注后两材料复合牢固度的目的，同时两支臂高度不同，亦可满足设计强度的需要。The frame 2 has a vertically extending side 21, and the vertically extending side 21 is provided with a through hole 22 connected to the rib beam formwork. The connecting bolts are connected with the rib beam formwork through the through holes 22 to complete the fixing of the formwork. The frame also includes upper arms extending into the shell body. In this embodiment, the upper support arm includes an upper support arm I23 and an upper support arm II24 which are oppositely arranged and have different lengths. The inner side of the upper support arm I23 is provided with a transverse protrusion 231, and the inner side of the upper support arm II24 is provided with a transverse groove 241 of the support arm. Both the transverse protrusion and the transverse groove of the support arm can achieve the purpose of increasing the composite firmness of the two materials after casting. The height of the support arm is different, and it can also meet the needs of the design strength.
当然，上述说明并非对本实用新型的限制，本实用新型也不仅限于上述举例，本技术领域的普通技术人员在本实用新型的实质范围内所做出的变化、改型、添加或替换，也属于本实用新型的保护范围。Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or replacements made by those of ordinary skill in the art within the scope of the present invention also belong to The scope of protection of the utility model.
Claims (9)
- 一种密肋梁用周转模壳，包括模壳本体，所述模壳本体包括模壳上底，以及与上底连接的周边侧壁，其特征在于：所述模壳还包括设置在周边侧壁底部的框架，框架与模壳本体由模具一次浇注成型、冷却脱模后形成所述模壳。A revolving mold shell for a dense rib beam, comprising a mold shell body, the mold shell body comprising a mold shell upper bottom, and a peripheral side wall connected with the upper bottom, characterized in that: the mold shell further comprises a mold shell disposed on the peripheral side The frame at the bottom of the wall, the frame and the mold shell body are formed by one-time casting of the mold, and the mold shell is formed after cooling and demoulding.
- 按照权利要求1所述的密肋梁用周转模壳，其特征在于：所述框架为金属材料制成。The revolving formwork for a dense rib beam according to claim 1, wherein the frame is made of a metal material.
- 按照权利要求1或2所述的密肋梁用周转模壳，其特征在于：所述框架具有垂直延伸边，所述垂直延伸边上开有与肋梁模板连接的贯通孔。The revolving formwork for densely ribbed beams according to claim 1 or 2, wherein the frame has a vertically extending side, and the vertically extending side is provided with a through hole for connecting with the rib beam formwork.
- 按照权利要求3所述的密肋梁用周转模壳，其特征在于：所述框架还包括包裹侧壁底端并向上延伸的支臂。The revolving formwork for a dense rib beam according to claim 3, wherein the frame further comprises a support arm wrapping the bottom end of the side wall and extending upward.
- 按照权利要求4所述的密肋梁用周转模壳，其特征在于：所述向上延伸的支臂包括对向设置、长度不等的上支臂Ⅰ和上支臂Ⅱ。The revolving formwork for densely ribbed beams according to claim 4, wherein the upwardly extending support arm comprises an upper support arm I and an upper support arm II which are oppositely arranged and have different lengths.
- 按照权利要求4所述的密肋梁用周转模壳，其特征在于：所述支臂内部有向侧壁方向延伸的横向凸起。The revolving formwork for densely ribbed beams according to claim 4, characterized in that: the inside of the support arm has a lateral protrusion extending toward the side wall.
- 按照权利要求4所述的密肋梁用周转模壳，其特征在于：所述支臂内部开有支臂横向凹槽。The revolving formwork for densely ribbed beams according to claim 4, characterized in that: the support arm is provided with a support arm transverse groove.
- 按照权利要求1或2所述的密肋梁用周转模壳，其特征在于：所述模壳为铝制的框架经由模具浇注热熔的塑料材料、冷却脱模后形成。The revolving mold shell for dense rib beams according to claim 1 or 2, characterized in that: the mold shell is formed by casting a hot-melt plastic material through a mold, and cooling and demoulding the aluminum frame.
- 按照权利要求1或2所述的密肋梁用周转模壳，其特征在于：所述周边侧壁横截面外轮廓线与垂直方向夹角为5-20度。The revolving formwork for densely ribbed beams according to claim 1 or 2 is characterized in that: the included angle between the outer contour line of the cross-section of the peripheral side wall and the vertical direction is 5-20 degrees.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022224445.1U CN213449070U (en) | 2020-10-09 | 2020-10-09 | Turnover formwork for multi-ribbed beam |
| CN202022224445.1 | 2020-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2022073257A1 true WO2022073257A1 (en) | 2022-04-14 |
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ID=76286903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2020/122305 WO2022073257A1 (en) | 2020-10-09 | 2020-10-21 | Reusable mold shell for multi-ribbed beam |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN213449070U (en) |
| WO (1) | WO2022073257A1 (en) |
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| CN209194989U (en) * | 2018-10-23 | 2019-08-02 | 廖康鑫 | A kind of single injection-molded plastic-steel composite shuttering |
| CN111734031A (en) * | 2020-07-20 | 2020-10-02 | 烟台众诚新型建材科技有限公司 | Fast-assembling and fast-disassembling formwork system of building multi-ribbed structure and construction process thereof |
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2020
- 2020-10-09 CN CN202022224445.1U patent/CN213449070U/en active Active
- 2020-10-21 WO PCT/CN2020/122305 patent/WO2022073257A1/en active Application Filing
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| JP2001018276A (en) * | 1999-07-05 | 2001-01-23 | Sato Chie | Plastic form continuous extrusion method for constructing/civil engineering concrete, its plastic form, and metal joint |
| CN2499493Y (en) * | 2001-10-10 | 2002-07-10 | 陈广振 | Combined plastic-steel formwork for building construction |
| CN1635238A (en) * | 2003-12-27 | 2005-07-06 | 邱则有 | Shuttering member |
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| CN209194989U (en) * | 2018-10-23 | 2019-08-02 | 廖康鑫 | A kind of single injection-molded plastic-steel composite shuttering |
| CN109372381A (en) * | 2018-10-30 | 2019-02-22 | 韩旭 | A kind of heat-insulation aluminum section door and window and forming method |
| CN111734031A (en) * | 2020-07-20 | 2020-10-02 | 烟台众诚新型建材科技有限公司 | Fast-assembling and fast-disassembling formwork system of building multi-ribbed structure and construction process thereof |
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|---|---|
| CN213449070U (en) | 2021-06-15 |
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