CN111070380A - Combined prefabricated shear wall mold assembly and using method thereof - Google Patents
Combined prefabricated shear wall mold assembly and using method thereof Download PDFInfo
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- CN111070380A CN111070380A CN201911418568.4A CN201911418568A CN111070380A CN 111070380 A CN111070380 A CN 111070380A CN 201911418568 A CN201911418568 A CN 201911418568A CN 111070380 A CN111070380 A CN 111070380A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/22—Moulds for making units for prefabricated buildings, i.e. units each comprising an important section of at least two limiting planes of a room or space, e.g. cells; Moulds for making prefabricated stair units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/04—Producing shaped prefabricated articles from the material by tamping or ramming
- B28B1/045—Producing shaped prefabricated articles from the material by tamping or ramming combined with vibrating or jolting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/04—Discharging the shaped articles
- B28B13/06—Removing the shaped articles from moulds
- B28B13/065—Removing the shaped articles from moulds by applying electric current or other means of discharging, e.g. pneumatic or hydraulic discharging means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
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- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The invention belongs to the technical field of building prefabricated part improvement and discloses a combined type prefabricated shear wall mold assembly and a using method thereof, wherein the mold assembly comprises: the side forms and the end forms are connected alternately and fixedly to form a prefabricated shear wall frame, each side form comprises an upper pressing plate and a lower side form, and the upper pressing plates are fastened and fixed on the lower side forms. The technical scheme has the advantages of simple and quick operation, good component forming quality and low mold manufacturing cost. The process is simplified, and the production efficiency is improved.
Description
Technical Field
The invention belongs to the field of assembled prefabricated parts, and particularly relates to a combined prefabricated shear wall mold assembly and a using method thereof.
Background
The prefabricated shear wall component usually is that wall left and right sides and wall top trilateral stretch out the reinforcing bar, and to the reinforcing bar that stretches out on the wall body left and right sides, its mould has two kinds of ways at present, and one way is that the side form adopts the steel sheet concatenation to weld into whole, and the middle reinforcing bar position of stretching out is slotted, and the reinforcing bar passes the side form notch, and the shutoff notch before pouring. Although this kind of scheme is whole rigidity is secure, mould non-deformable, nevertheless be not convenient for the drawing of patterns, and it is higher to stretching out the straight degree requirement of reinforcing bar, it is the opening stirrup to stretch out the reinforcing bar especially when the wall side, it is noninterference with the reinforcing bar crotch to hardly guarantee the notch among the drawing of patterns in-process, need follow a muscle length direction sled mould certain distance during the drawing of patterns, make mould and reinforcing bar break away from completely can the drawing of patterns, the drawing of patterns is wasted time and energy, working strength is very big, it warp to have enough to meet the need the mould in the use easily, damage, especially later stage mould warp, damage is more obvious, mould turnover life cycle is not long, influence mould equipment precision, component production quality.
In addition, the left and right sides of the wall body extend out of the reinforcing steel bar sections and adopt three layers of spliced side molds, the three layers of spliced side molds are formed by combining an upper side mold, a middle side mold and a lower side mold, and no waist-shaped groove is arranged. The upper part, the middle part and the lower part are connected through bolts to form a whole, the integral rigidity of the die is guaranteed, side die notches do not exist, and plugging is not needed. However, the mold is complex in structure and complex in mold assembly, the release agent coating and the steel bar binding need to be conducted alternately, the efficiency is low, the quality is not easy to guarantee, and the overall comprehensive cost is high.
The difficulty in solving the technical problems is as follows:
on the premise of ensuring the assembling precision and the integral rigidity of the die, the die structure is simplified as much as possible, the production procedures and the alternate operation are reduced, the operation is simple and rapid, the installation and the disassembly are convenient, and the turnover service life is long. And the member molding quality is good, the mold manufacturing cost is low, the production efficiency is high, and the applicability is strong.
The significance of solving the technical problems is as follows:
the side forms on the left side and the right side of the prefabricated wall body adopt a combined double-layer structure of an upper pressing plate and a lower side form, and the upper pressing plate and the lower side form are fastened and connected through bolts and pins, so that the requirements on the overall strength and the rigidity of the die are met; the U-shaped groove on the side surface of the mould is plugged from the inner side by adopting the PE rod, the material has excellent elastic deformation performance, the PE rod can be tightly attached to the notch of the mould under the action of lateral pressure of concrete, a good slurry leakage prevention effect is achieved, and plugging is simple and rapid. Meanwhile, the PE rod can be recycled after being demoulded, so that the resource waste is reduced; during demoulding, only the upper pressing plate and the tool frame of the side die are needed to be dismantled, and the die does not need to be pried for a certain distance along the length direction of the rib. The rib prefabricated part can be directly lifted, the lower side die can be knocked downwards properly to separate the die from the prefabricated part, the working strength of workers is low, the die is demolded in one step, the demolding difficulty is effectively reduced, the demolding time is shortened, and the production operation efficiency of the prefabricated wall is improved; the combined double-layer die is simple in structure, convenient to mount and dismount, limited in simplified procedures, free of process alternation and long in turnover service life. The member has good molding quality, low manufacturing cost and strong applicability.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a combined prefabricated shear wall mold assembly and a using method thereof, aiming at steam curing of a prefabricated part at low temperature.
The invention is thus achieved, a modular prefabricated shear wall mold assembly comprising:
the side forms and the end forms are connected alternately and fixedly to form a prefabricated shear wall frame, each side form comprises an upper pressing plate and a lower side form, and the upper pressing plates are fastened and fixed on the lower side forms.
In one embodiment, at least one U-shaped groove for penetrating through the reserved steel bars of the shear wall surface is formed on the side wall of the lower side formwork; at least one reinforcing rib plate is formed on the side wall of the lower side form between two adjacent U-shaped grooves.
In one embodiment, the top open end of the U-shaped channel extends upwardly through the top of the lower sideform.
In one embodiment, the opening direction of the U-shaped groove is perpendicular to the length direction of the pair of end dies.
In one embodiment, the tooling frame further comprises at least one tooling frame, two ends of the at least one tooling frame are respectively connected with the upper surfaces of the pair of end molds, and the height of the cross beam of the tooling frame is slightly larger than that of the upper surfaces of the end molds.
In one embodiment, the cross beam of the tool frame is provided with at least one through-wall screw hole and at least one demoulding embedded part connecting rod.
In one embodiment, at least one reinforcement outlet hole is formed in the surface of the end mould located in the pouring area, at least one hoisting embedded positioning hole is formed in the surface of one end mould located in the pouring area, and a grouting sleeve positioning hole is formed in the surface of the other end mould located in the pouring area.
In one embodiment, more than one reinforcing rib plate is arranged on the outer side wall of the lower side form at equal intervals along the length direction of the lower side form
A method of using a modular precast shear wall mold assembly according to the above, the method comprising the steps of:
step one, processing the mould according to the shape and size of the prefabricated part to be formed and the arrangement condition of the steel bars;
fixing the lower side molds and the pair of end molds of the pair of side molds on the mold table by using fixed magnetic boxes, alternately connecting the side molds and the end molds to form a frame structure, and fixedly connecting all the molds by using bolts;
step three, uniformly coating the mixed release agent or exposed aggregate retarder (when the exposed coarse aggregate surface is required) on the concrete contact surface of the mold, so as to avoid missing coating and non-uniformity;
step four, installing stirrups and vertical stressed steel bars in the assembled die according to a design drawing of the prefabricated shear wall, and after the length of the steel bars is adjusted, binding firmly;
step five, fixedly connecting the upper pressing plates of the pair of side molds with the lower side molds through bolts;
installing a hoisting/demolding embedded part and a tool frame for fixing a through-wall screw hole;
seventhly, sealing the notches of the U-shaped grooves by using a PE rod on the inner sides of the pair of side molds;
step eight, pouring concrete into the assembled mould, vibrating, collecting the surface and maintaining;
step nine, demolding, after the prefabricated part is maintained to meet the demolding strength requirement, removing the bolts on the pair of side molds and the end mold which are alternately connected, the tooling frame at the top and the fixed magnetic box at the bottom, then removing the upper pressing plate of the side molds, and hammering the end mold by using a tool to separate the end mold from the prefabricated part;
step ten, washing the rough surface, and when the rough surface of the prefabricated part has the requirement of exposing coarse aggregate, applying high-pressure water flow to wash the retarder coating area within 24 hours after the demolding procedure is finished so as to ensure that the coarse aggregate is exposed and meet the standard requirement.
In one embodiment, after the prefabricated part is maintained to meet the requirement of demolding strength, the bolts on the pair of side molds and the end molds which are alternately connected, the tooling frame at the top and the magnetic box 13 fixed at the bottom are removed, then the upper pressing plates of the side molds are removed, the end molds are hammered by using a tool to separate the end molds from the prefabricated part, and the method further comprises the steps of hoisting the prefabricated part to a certain distance from the mold table surface, and lightly hammering the lower side molds by using the tool to separate the prefabricated part from the lower side molds.
In conclusion, the invention has the advantages and positive effects of simple and rapid operation, good component forming quality and low mold manufacturing cost, simplifies the working procedures and improves the production efficiency, and the specific technical effects are as follows:
the first side mold and the second side mold comprise an upper pressing plate and a lower side mold, and independent parts can be detached and installed, so that the operation is convenient;
the second and the second side die rib-outlet positions are respectively provided with a U-shaped groove for passing the reinforcing steel bar, the die and other die components on the side surface of the prefabricated wall body are not required to be completely removed, the rib-outlet prefabricated wall body can be directly lifted, the die is retained on the die table, the prefabricated wall body is separated from the die, the one-step demolding is realized, the demolding difficulty is effectively reduced, the demolding time is reduced, and the production efficiency of the prefabricated wall body is improved;
thirdly, the inner side (one side of the forming surface of the component) of the U-shaped groove is blocked by a PE rod, so that a good slurry leakage prevention effect can be achieved.
The invention aims to overcome the defects of the prior art, and provides a die for producing a precast concrete shear wall, which is reasonable and practical in structure, and has the advantages of simple and quick operation, good component forming quality and low die manufacturing cost. The process is simplified, and the production efficiency is improved.
Drawings
FIG. 1 is a top view of a modular precast shear wall mold assembly provided by an embodiment of the present invention;
FIG. 2 is a front view of a left side mold provided by an embodiment of the present invention;
FIG. 3 is a side view of a left side mold provided by an embodiment of the present invention;
FIG. 4 is a front view of a right side mold provided by an embodiment of the present invention;
FIG. 5 is a side view of a right side mold provided by an embodiment of the present invention;
FIG. 6 is a front view of an upper end mold provided by an embodiment of the present invention;
FIG. 7 is a front view of a lower end mold provided by an embodiment of the present invention;
FIG. 8 is a top view of a tool rack provided in accordance with an embodiment of the invention;
FIG. 9 is a front view of a tool rack provided by an embodiment of the invention;
FIG. 10 is a flowchart illustrating steps in a method for using a modular prefabricated shear wall mold assembly according to an embodiment of the present invention;
1. upper end die 2, lower end die 3 and left side die
301. Left lower side die 302, left upper pressing plate 4 and right side die
401. Right lower side die 402, right upper press plate 5, U-shaped groove
6. Reinforcing rib plate 7, tool rack 8 and wall-through screw hole
9. Demoulding embedded part connecting rod 10, rib outlet hole 11 and hoisting embedded positioning hole
12. Grouting sleeve positioning hole 13 and fixed magnetic box
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.
Taking the production of a rectangular concrete shear wall as an example, as shown in fig. 1 to 9:
aiming at the problems in the prior art, the invention provides a combined prefabricated shear wall mold assembly, which comprises:
a pair of end moulds which are divided into an upper end mould 1 and a lower end mould 2, wherein the upper end mould 1 and the lower end mould 2 are respectively vertical to the length direction of the precast concrete shear wall, and a pair of side moulds which are divided into a left side mould 3 and a right side mould 4, wherein the left side mould 3 and the right side mould 4 are respectively parallel to the length direction of the precast concrete shear wall, the upper end die 1, the right side die 4, the lower end die 2 and the left side die 3 are connected clockwise to form a prefabricated shear wall frame, the left side die 3 comprises a left upper pressing plate 302 and a left lower side die 301, the left upper pressing plate 302 is fastened and fixed on the left lower side die 301, the right side mold 4 comprises a right upper pressing plate 402 and a right lower side mold 401, the right upper pressing plate 402 is fastened and fixed on the right lower side mold 401, and it should be further noted that, the left upper pressure plate 302 and the left lower side die 301 are fixedly connected by bolts and positioning pins; the upper right pressing plate 402 and the lower right side die 401 are fixedly connected by bolts and positioning pins.
Further, the upper end die 1 and the lower end die 2 are arranged oppositely and parallelly and are positioned at two ends of the left side die 3 and the right side die 4, wherein the upper end die 1 corresponds to the top end of the prefabricated shear wall, and the lower end die 2 corresponds to the bottom end of the prefabricated shear wall.
Further, a plurality of U-shaped grooves 5 for penetrating through the reserved steel bars of the shear wall surface are formed on the side wall of the left lower side form 301 or the right lower side form 401 at equal distances, and reinforcing ribs 6 for improving the strength and rigidity of the lower side form are formed on the side wall of the lower side form between two adjacent U-shaped grooves 5.
In the example, the reinforcing ribs 6 are provided at equal intervals in the longitudinal direction of the left or right lower side form.
In one embodiment, the open end of the top of the U-shaped groove 5 extends upwards to penetrate through the top of the lower side form or the right lower side form, the opening direction of the U-shaped groove 5 is perpendicular to the length direction of the upper end form and the lower end form, and it is further noted that the structural form of the top of the side form of the open end of the U-shaped groove 5 is adopted, so that the steel bars can be conveniently installed through the opening of the U-shaped groove 5 in the steel bar binding process, do not need to penetrate or penetrate through the through holes of the side forms, and the installation process of the stirrups or the distributed steel bars is simpler and faster; in addition, for the side rib-outlet prefabricated wall body, the top opening of the U-shaped groove 5 penetrates through the top of the left lower side die or the right lower side die, a die and other die components on the side face of the prefabricated wall body do not need to be completely removed, the rib-outlet prefabricated wall body can be directly lifted, the die is kept on the die table, the prefabricated wall body is separated from the die, one-step demolding is realized, the demolding difficulty is effectively reduced, the demolding time is shortened, and therefore the production efficiency of the prefabricated wall body is improved.
Further, the tooling frame comprises a pair of tooling frames 7, two ends of at least one tooling frame are respectively connected with the upper surfaces of the upper end die and the lower end die, and the height of a cross beam of the tooling frame is slightly larger than that of the upper surfaces of the upper end die and the lower end die.
In the example, the cross beam of the tool frame 7 is provided with at least one through-wall screw hole 8 and at least one demoulding embedded part connecting rod 9.
In an example, a plurality of rib outlet holes 10 are respectively formed in the surfaces of the upper end die and the lower end die, which are located in a pouring area, at least one hoisting pre-embedded positioning hole 11 is formed in the surface of the upper end die, and a grouting sleeve positioning hole 12 is formed in the surface of the lower end die, which is located in the pouring area, it needs to be further noted that the rib outlet holes 10 of the upper end die 1 are designed to be penetrated by reinforcing steel bars, and the rib outlet holes of the upper end die 1 can be designed to be independent rib outlet holes 10 because the ribs of the upper end die 1 play a role in connecting an upper prefabricated shear wall and a lower prefabricated shear wall, and have larger diameters and fewer numbers; the lower end die 2 is provided with a grouting sleeve positioning hole 12, a grouting sleeve is fixed through a positioner, and the lower end die 2 can be conveniently detached by detaching the positioner during demolding.
Example two, as shown in fig. 10:
a method of using a modular precast shear wall mold assembly according to the above, the method comprising the steps of:
step S01, processing the mould according to the shape and size of the prefabricated component to be formed and the arrangement condition of the steel bars;
step S02, fixing the lower side forms of the left side form 3 and the right side form 4, the upper end form 1 and the lower end form 2 on a form table by using a fixed magnetic box 13, and fixedly connecting the forms by using bolts;
step S03, the prepared release agent or exposed aggregate retarder (when exposed coarse aggregate is required) is evenly coated on the concrete contact surface of the mould, so that the coating omission and unevenness are avoided
Step S04, according to a design drawing of the prefabricated shear wall, installing stirrups and vertical stressed steel bars in the assembled die, and after the length of the steel bars is adjusted, binding the steel bars firmly;
step S05, fixedly connecting the upper pressure plates of the left side die 3 and the right side die 4 with the lower side die by bolts respectively;
step S06, installing a hoisting/demolding embedded part and a tool frame for fixing a through-wall screw hole;
step S07, the notches of the U-shaped grooves are sealed by the PE rods at the inner sides of the left side die 3 and the right side die 4;
step S08, pouring concrete into the assembled mould, vibrating, collecting the surface and curing;
step S09, demolding, after the maintenance of the prefabricated part meets the demolding strength requirement, removing bolts for connecting the left side mold 3, the right side mold 4, the upper end mold 1 and the lower end mold 2, a tooling frame at the top and a bottom fixing magnetic box 13, then removing an upper pressing plate of the left side mold 3 and the right side mold 4, and hammering the upper end mold 1 and the lower end mold 2 by using a tool to separate the upper end mold 1 and the lower end mold 2 from the prefabricated part;
and step S10, washing the rough surface, and when the rough surface of the prefabricated part has the requirement of exposing coarse aggregate, applying high-pressure water flow to wash the retarder coating area within 24 hours after the demolding procedure is finished so as to ensure that the coarse aggregate is exposed and meets the standard requirement.
Further, the demolding step includes that after the prefabricated part is maintained to meet the demolding strength requirement, the bolts on the pair of side molds and the end molds which are alternately connected, the tooling frame at the top and the fixed magnetic box 13 at the bottom are removed, then the upper pressing plate of the side molds is removed, the end molds are hammered by using a tool, and after the prefabricated part is separated from the prefabricated part, the prefabricated part is lifted to be about 200mm away from the table top of the mold, and the lower side mold is hammered by using a tool lightly, so that the prefabricated part is separated from the lower side mold.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (10)
1. A modular precast shear wall mold assembly, the mold assembly comprising:
the side forms and the end forms are connected alternately and fixedly to form a prefabricated shear wall frame, each side form comprises an upper pressing plate and a lower side form, and the upper pressing plates are fastened and fixed on the lower side forms.
2. The modular prefabricated shear wall mold assembly of claim 1, wherein at least one U-shaped groove for passing through the reinforcing bars reserved on the shear wall surface is formed on the side wall of the lower side mold; at least one reinforcing rib plate is formed on the side wall of the lower side form between two adjacent U-shaped grooves.
3. The modular precast shear wall mold assembly of claim 2, wherein the top open end of the U-shaped channel extends upwardly through the top of the lower side form.
4. The modular precast shear wall mold assembly of claim 2, wherein the opening direction of the U-shaped groove is perpendicular to the length direction of the pair of end molds.
5. The modular precast shear wall mold assembly of claim 1, further comprising at least one tooling frame, wherein both ends of at least one tooling frame are respectively connected with the upper surfaces of a pair of end molds, and the height of the cross beam of the tooling frame is slightly greater than that of the upper surfaces of the end molds.
6. The modular precast shear wall mold assembly of claim 5, wherein the cross beam of the tooling frame is provided with at least one through-wall screw hole and at least one stripper embedment connecting rod.
7. The modular precast shear wall mold assembly of claim 1, wherein at least one reinforcement outlet hole is formed on the surface of the end mold located in the casting area, wherein at least one hoisting pre-embedded positioning hole is formed on the surface of one of the end molds located in the casting area, and wherein a grouting sleeve positioning hole is formed on the surface of the other end mold located in the casting area.
8. The modular precast shear wall mold assembly of claim 2, wherein one or more reinforcing ribs are provided on the outer side wall of the lower side form at equal intervals in the length direction of the lower side form.
9. A method of using a modular precast shear wall mold assembly according to any one of claims 1 to 8, comprising the steps of:
step one, processing the mould according to the shape and size of the prefabricated part to be formed and the arrangement condition of the steel bars;
fixing the lower side molds and the end molds of the pair of side molds on the mold table by using a fixed magnetic box 13, alternately connecting the side molds and the end molds to form a frame structure, and fixedly connecting the molds of each part by using bolts;
step three, uniformly coating the mixed release agent or exposed aggregate retarder on the concrete contact surface of the mold, so as to avoid missing coating and unevenness;
step four, installing stirrups and vertical stressed steel bars in the assembled die according to a design drawing of the prefabricated shear wall, and after the length of the steel bars is adjusted, binding firmly;
step five, fixedly connecting the upper pressing plates of the pair of side molds with the lower side molds through bolts;
installing a hoisting/demolding embedded part and a tool frame for fixing a through-wall screw hole;
seventhly, sealing the notches of the U-shaped grooves by using a PE rod on the inner sides of the pair of side molds;
step eight, pouring concrete into the assembled mould, vibrating, collecting the surface and maintaining;
step nine, demolding, after the prefabricated part is maintained to meet the demolding strength requirement, removing the bolts on the pair of side molds and the end mold which are alternately connected, the tooling frame at the top and the fixed magnetic box at the bottom, then removing the upper pressing plate of the side molds, and hammering the end mold by using a tool to separate the end mold from the prefabricated part;
step ten, washing the rough surface, and when the rough surface of the prefabricated part has the requirement of exposing coarse aggregates, washing the retarder smearing area by using high-pressure water flow within 24 hours after the demolding procedure is finished.
10. A using method suitable for a combined prefabricated shear wall die assembly is characterized in that after a prefabricated part is maintained to meet the requirement of demolding strength, bolts on a pair of side dies and end dies which are alternately connected, a tooling frame at the top and a fixed magnetic box at the bottom are removed, then an upper pressing plate of the side dies is removed, the end dies are hammered by a tool to be separated from the prefabricated part, and then the prefabricated part is lifted to a certain distance from a die table surface, and a lower side die is lightly hammered by the tool to be separated from the prefabricated part.
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| CN112207956A (en) * | 2020-09-25 | 2021-01-12 | 湖北绿缘新型材料科技有限公司 | Die design assembly for producing PC (polycarbonate) component |
| CN113878702A (en) * | 2021-10-28 | 2022-01-04 | 界首市宝业瑞祥建筑工业化有限公司 | Rapid production process of prefabricated wallboard component |
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Address after: 322100, No. 65, Nanjing East Road, Dongyang, Zhejiang, Jinhua Applicant after: ZHONGTIAN CONSTRUCTION GROUP Co.,Ltd. Applicant after: Tianjin Zhongjiang Construction Technology Co.,Ltd. Address before: 300385 no.18-5, Yuhua Road, wuzhuangzi village, Jingwu Town, Xiqing District, Tianjin Applicant before: Tianjin Zhongjiang Construction Technology Co.,Ltd. Applicant before: ZHONGTIAN CONSTRUCTION GROUP Co.,Ltd. |
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Application publication date: 20200428 |