CN108032426A - The laminated type preparation method of trough plate - Google Patents

The laminated type preparation method of trough plate Download PDF

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Publication number
CN108032426A
CN108032426A CN201711162272.1A CN201711162272A CN108032426A CN 108032426 A CN108032426 A CN 108032426A CN 201711162272 A CN201711162272 A CN 201711162272A CN 108032426 A CN108032426 A CN 108032426A
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CN
China
Prior art keywords
mould
trough plate
plate
reinforcing bar
ground
Prior art date
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Granted
Application number
CN201711162272.1A
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Chinese (zh)
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CN108032426B (en
Inventor
赵顺增
巢德明
杨文烈
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Chongqing Fuling Daye Building Materials Co ltd
Original Assignee
重庆大业新型建材集团有限公司
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Priority to CN201711162272.1A priority Critical patent/CN108032426B/en
Publication of CN108032426A publication Critical patent/CN108032426A/en
Application granted granted Critical
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/02Arrangements 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
    • B28B23/04Arrangements 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 the elements being stressed
    • B28B23/043Wire anchoring or tensioning means for the reinforcements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/02Arrangements 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
    • B28B23/04Arrangements 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 the elements being stressed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00Moulds; Cores; Mandrels
    • B28B7/0002Auxiliary parts or elements of the mould

Abstract

The invention discloses the laminated type preparation method of trough plate, include the following steps:(1) mould is cleaned over the ground, and gets out Bian Mo and prestressed anchor;(2) interleaving agent or covering isolation film are brushed in the medial surface of ground mould upper surface, side mould;(3) one group of reinforcing bar of tensioning between prestressed anchor;(3) flute profile core is installed on ground mould, then is positioned on the inside of reinforcing bar by a pair of of positioning checkpoint, prevents air bag from moving left and right and floating;(4) cushion block of concrete bar protective layer or built-in fitting are connected on reinforcing bar;(5) produce chutable concrete and be poured between the mould of side, carry out vibration compacting after a part of chutable concrete is filled, be subsequently filled insulating layer, pour into a mould concrete again after the completion of insulating layer filling, complete the making of individual layer trough plate;(6) by the trough plate of moulding by casting stand 13 it is small when after, light is received on surface;(7) steam curing or natural curing are carried out to trough plate;(8) indwelling test specimen detects;(9) membrane is laid with the molding trough plate of last layer, one group of reinforcing bar of tensioning between prestressed anchor, and be fixedly connected with side mould again again, repeat step five to eight, carries out the preparation of next layer of trough plate;(10) repeat step 9 so that the trough plate stacking number of plies is 36 layers.The present invention provides preparation method technique it is simple, polylith trough plate can be prepared in a short time, effectively reduce floor space when preparing trough plate.

Description

The laminated type preparation method of trough plate
Technical field
The present invention relates to the laminated type preparation method of the preparation method of trough plate, especially trough plate.
Background technology
China in the production process of trough plate using it is most be extrusion forming and plastic concrete pouring pounding molding technology, Liquefied closely knit scheme (vibrate, extrude, roll) production concrete product using machinery using dry concrete;Generally use is poured Build the method monolithic mode of production.The problem of (trough plate) production is primarily present in the past and reason are as follows:
First, due to dry concrete plasticity be not as strong, it is necessary to which the raising shaping of sharp pounding power is close as chutable concrete Solidity, therefore cause the low problem of shaping efficiency;(the application corresponds to without friction)
Second, since compactness is insufficient or even uneven, cause component to produce many local strengths' weaknesses, therefore component There are certain application risk, this risk is generally evaded by improving strength grade, so as to cause the increasing of Cost of Concrete Add;
3rd, since dry trough plate all uses extrusion forming process, presentation quality occur voids and pits shape into For normality, plate bottom needs secondary repairing treatment, increases labor intensity and workload;
4th, since dry trough plate all uses extrusion forming process, it is therefore necessary to using the individual layer mode of production, so that Substantial amounts of work surface and ground mould is needed to meet production quantity, area of mill site is several times greater compared with this patent;
5th, plastic concrete monolithic production moulding process, number of molds is more, and tedious process, production efficiency is low, generally Using the individual layer monolithic mode of production, it is also desirable to which substantial amounts of work surface meets production quantity with ground mould, and area of mill site is larger;
6th, since using conventional process techniques, production cycle length, inefficiency, is unfavorable for large-scale production.
The content of the invention
In view of the drawbacks described above of the prior art, the present invention provides a kind of laminated type preparation method of trough plate, the system Preparation Method technique is simple, by the way that the slot of trough plate is set downward, is supported by the back of trough plate, can be in short-term Interior preparation multilayer trough plate, effectively reduces floor space when preparing trough plate.
The technical problems to be solved by the invention are to provide a kind of laminated type preparation method of trough plate, including following step Suddenly:
(1) mould is cleaned over the ground, and gets out Bian Mo and prestressed anchor;
(2) interleaving agent or covering isolation film are brushed in the medial surface of ground mould upper surface, side mould;
(3) one group of reinforcing bar of tensioning between prestressed anchor;
(3) flute profile core is installed on ground mould, then is positioned on the inside of reinforcing bar by a pair of of positioning checkpoint, prevents air bag or so Mobile and floating;
(4) cushion block of concrete bar protective layer or built-in fitting are connected on reinforcing bar;
(5) produce chutable concrete and be poured between the mould of side, carried out after a part of chutable concrete is filled Vibration compacting, is subsequently filled insulating layer, pours into a mould concrete again after the completion of insulating layer filling, completes the system of individual layer trough plate Make;
(6) by the trough plate of moulding by casting stand 1-3 it is small when after, light is received on surface;
(7) steam curing or natural curing are carried out to trough plate;
(8) indwelling test specimen detects;
(9) membrane is laid with the molding trough plate of last layer, again one group of reinforcing bar of tensioning between prestressed anchor, and The mould when being fixedly connected with next group on mould for upper one group, repeat step five to eight, carries out the preparation of next layer of trough plate;
(10) repeat step 9 so that the trough plate stacking number of plies is 3-6 layers.
Further, described ground mould uses long line tableland mould, and using concrete or covers steel plate material, and described ground mould can spell Connect adjusting of the insert into line width.
Further, the isolation film uses plastic film.
Further, the side mould uses metal material or light-weight high-strength material, and the side mould outer wall is provided with insulation Layer.
Further, interval is connected with some partition plates on every group of reinforcing bar, and the partition plate bottom is provided with reinforcing bar relief hole With core relief hole, partition plate is provided with clip below reinforcing bar relief hole.
Further, the partition plate uses styrofoam or KT plate materials.
Further, it is provided with micro-vibration device on the outside of the side mould.
Further, it is additionally provided with reinforcing plate in the middle part of the side mould.
Further, the side modulus amount is one group, and described ground mould sidepiece is further fixed on side mould lifting device, which carries Rising device includes being fixed on two groups of upright bars at left and right sides of ground mould, and every upright bar is arranged at intervals with some location holes from top to bottom, Slided in upright bar and be provided with side mould location structure, the side mould location structure and location hole are positioned by being clamped pin;Institute It is in " Contraband " type to state side mould, and the side mould location structure includes the sliding sleeve being slidably arranged in upright bar, fixed on the sliding sleeve A hinged block is connected with, a swivel pin is fixed with the hinged block, a connecting plate with branch outlet is hinged by branch outlet It is connected on the swivel pin, thread segment is offered at the top of the swivel pin, when connecting plate needs fixed, a nut passes through Connecting plate is fixed the thread segment of swivel pin, and when when side, mould needs positioning, side mould is fixed or be connected to connecting plate Among;It is attached at the top of two upright bars on same straight line by crossbeam.
The beneficial effects of the invention are as follows:
1st, the present invention is molded trough plate using method from bottom to up one by one, then cuts into and need size, can reduce production Space, saves place and equipment shares cost, and floor space is smaller, forms pipelining, shaping efficiency is high, daily can be real Existing 2-6 layers of production improves production and speed of application;
2nd, by the way that core is configured on mould or last layer trough plate, simultaneously as the notch of last layer trough plate to Under so that when the trough plate shaping of last layer, there is next layer of trough plate to be supported, so that last layer flute profile Sheet metal forming;
2nd, core uses disposable cheap material, may not need and is taken out in the later stage, so reduce process, Improve production efficiency;
3rd, using side mold forming, dimensional accuracy, surface quality are beautiful, and even intensity is reliable and stable;It can effectively avoid contraction Crack produces;
4th, finished product need not be repaired, and produce, cut, lifting and be hardly damaged, high yield rate;
5th, fixing device of the partition plate as disposable core, designs hole position according to trough plate and shape perforate on partition plate in hole is consolidated Determine core, the fixation workload of core can be simplified, greatly reduce the workload of later stage cutting trough plate, only need to directly cut Reinforcing bar is cut, reduces dusty, is effectively protected the health of worker, and will not be to environmental concerns, trough plate End face can also keep more smooth beautiful;
6th, the present invention passes through side mould lifting device so that it is that can reach to build up production trough plate that need to only use one group of side mould Purpose.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention one embodiment when preparing three layers of trough plate;
Fig. 2 is the structure diagram of the present invention another embodiment when preparing three layers of trough plate;
Fig. 3 is the structure diagram of partition plate of the present invention;
Fig. 4 is the structure diagram of side mould of the present invention;
Fig. 5 is the structure diagram of the side mould lifting device of the present invention;
Fig. 6 is the structure diagram after setting protrusion in side mould side.
In figure:1st, mould;2nd, Bian Mo;21st, it is raised;3rd, micro-vibration device;4th, partition plate;5th, nut;6th, reinforcing bar relief hole;7th, core Mould relief hole;8th, branch outlet;9th, connecting plate;10th, hinged block;11st, location hole;12nd, crossbeam;13rd, reinforcing plate;14th, upright bar;15、 Sliding sleeve;16th, core;17th, insulating layer;18th, reinforcing bar;19th, positioning checkpoint.20th, clip.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples:
Referring to a kind of laminated type preparation method of trough plate shown in Fig. 1 to Fig. 5, include the following steps:
(1) mould 1 is cleaned over the ground, and gets out side mould 2 and prestressed anchor;Cleared up, prevented by mould 1 over the ground Foreign matter is mixed on trough plate, and the intensity and flatness for causing trough plate bottom surface are affected.
(2) interleaving agent or covering isolation film are brushed in the medial surface of 1 upper surface of ground mould, side mould 2;By on ground mould 1 Surface, and the medial surface of side mould 2 brush interleaving agent or covering isolation film so that trough plate more holds when demolished Easily, and due to the setting of isolation film, trough plate bottom surface smoothness is also further added
(3) one group of reinforcing bar of tensioning between prestressed anchor;
(3) flute profile core is installed on ground mould 1, then is positioned on the inside of reinforcing bar by a pair of of positioning checkpoint, prevents that air bag is left Move right and float;
(4) cushion block of concrete bar protective layer or built-in fitting are connected on reinforcing bar;
(5) produce chutable concrete and be poured on ground mould 1, shaken after a part of chutable concrete is filled Puddling is real, is subsequently filled insulating layer, pours into a mould concrete again after the completion of insulating layer filling, completes the making of individual layer trough plate; Insulating layer is provided with the trough plate of the present invention, effectively enhances the heat preservation and insulation of trough plate so that later stage trough plate When construction house is carried out, it can effectively strengthen the heat-proof quality in house.
(6) by the trough plate of moulding by casting stand 1-3 it is small when after, light is received on surface;
(7) steam curing or natural curing are carried out to trough plate;
(8) indwelling test specimen detects;
(9) membrane is laid with the molding trough plate of last layer, again one group of reinforcing bar of tensioning between prestressed anchor, and The mould 2 when being fixedly connected with next group on mould 2 for upper one group, repeat step five to eight, carries out the preparation of next layer of trough plate;
(10) repeat step 9 so that the trough plate stacking number of plies is 3-6 layers.
The present invention is molded trough plate using method from bottom to up one by one, then cuts into and need size, and it is empty can to reduce production Between, save place and equipment shares cost, floor space is smaller, forms pipelining, shaping efficiency is high, can realize daily 2-6 layers of production improve production and speed of application;By the way that core is configured on mould 1 or last layer trough plate so that last layer Trough plate shaping when, there is next layer of trough plate to be supported, so that last layer flute profile sheet metal forming;
Further, described ground mould 1 uses long line tableland mould 1, and using concrete or covers steel plate material, described ground mould 1 Adjusting of the sliceable insert into line width.Due to ground mould 1 can be by insert into line width adjusting, it is possible to according to construction Need the ground mould 1 of different in width is set, it is possible to by the trough plate of the production different in width of a set of ground mould 1, the present invention adopts Ground mould 1 is long line tableland mould 1, so the length of the trough plate made is also longer, the later stage is again by needing to carry out trough plate Cutting, effectively raise production efficiency.
Further, the isolation film uses plastic film.By plastic film, prevent from producing bonding between trough plate, Trough plate bottom surface is more smooth, and trough plate is more convenient when being separated.
Further, the side mould 2 uses metal material or light-weight high-strength material, most preferably using aluminium alloy material Matter, 2 outer wall of side mould are provided with insulating layer.Side mould 2 uses metal material, and intensity is more preferable, under the extruding of concrete, does not allow Bending is also easy to produce, is in addition touched on side and is provided with insulating layer on outer wall, makes full use of concrete product itself hydration heat, is realized Inexpensive regenerative conservation.
Further, interval is connected with some partition plates 4 on every group of reinforcing bar, and 4 bottom of partition plate is provided with reinforcing bar resigning Hole 6 and core relief hole 7, partition plate are provided with clip 20 below reinforcing bar relief hole.By setting partition plate 4, pair that can be in advance The trough plate for needing to cut is isolated, and the later stage is when trough plate is cut, it is only necessary to reinforcing bar is cut, so will not cause existing Field dust from flying.
Further, the partition plate 4 uses styrofoam or KT plate materials.Partition plate 4 uses styrofoam and KT plates, and cost is more It is cheap, it is difficult if there is taking out, it can directly destroy cutting partition plate 4.
Further, the outside of the side mould 2 is provided with micro-vibration device 3.In order to enable laminated plate vibration compacting when Wait more convenient, micro-vibration device 3 can be set in the outside of side mould 2.
Further, the middle part of side mould 2 is additionally provided with reinforcing plate 13.Reinforcing plate 13 effectively enhances the strong of side mould 2 Degree, makes it more durable, longer life expectancy.
Further, 2 quantity of side mould is one group, and mould 1 sidepiece in described ground is further fixed on side mould lifting device, the side mould Lifting device includes being fixed on two groups of upright bars 14 of 1 left and right sides of ground mould, and every upright bar 14 is arranged at intervals with some from top to bottom Location hole, slides in upright bar 14 and is provided with side mould location structure, the side mould location structure and location hole by clamping sell into Row positioning;The side mould is in " Contraband " type, and the side mould location structure includes the sliding sleeve 15 being slidably arranged in upright bar 14, described A hinged block 10 is fixedly connected with sliding sleeve 15, a swivel pin is fixed with the hinged block 10, one has the company of branch outlet 8 Fishplate bar 9 is hingedly connected on the swivel pin by branch outlet 8, thread segment is offered at the top of the swivel pin, when connecting plate 9 needs When fixed, connecting plate 9 is fixed by the thread segment of swivel pin for a nut, when when side, mould needs positioning, even Fishplate bar 9 is fixed or is connected among the mould of side;The top of two upright bar 14 on same straight line is connected by crossbeam 12 Connect.
When first layer cast is carried out to trough plate, both sides mould 2 is fixed on ground 1 both sides of mould, when fixing, It is fixedly connected by the side mould location structure in upright bar and Bian Mo 2, particularly passes through the connection on the mould location structure of side (by connecting plate 9 and it can strengthen when being located by connecting in mould when the clamping of plate 9 is positioned in mould or by connecting plate 9 Plate 13 is threadedly coupled), its movement is prevented, after side mould 2 fixes completion, just from the flowing of side limitation concrete, when first After layer trough plate casting complete, by moving up side mould 2 so that side mould 2 rises, and after the rising of side mould 2, passes through positioning Side mould location structure is fixed for hole 11 and positioning pin, and after when side, mould location structure is held to, side mould is positioned, when side mould After 2 reposition, you can start the cast to second layer trough plate, in this way, one group of side mould can be realized more The overlapping effect of group side mould, and disassembled for transport is more convenient.
The present invention side mould side one protrusion 21 can also be set, in this way, molding product side can be formed accordingly it is recessed Groove, when carrying out building and building, when two pieces of product splits, expansion sealing strip can be clamped by groove, can be risen To the effect for preventing infiltration.
Preferred embodiment of the invention described in detail above.It should be appreciated that those of ordinary skill in the art without Need creative work to conceive according to the present invention and make many modifications and variations.Therefore, all technologies in the art Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea Technical solution, all should be in the protection domain being defined in the patent claims.

Claims (9)

1. the laminated type preparation method of trough plate, it is characterised in that include the following steps:
(1) mould is cleaned over the ground, and gets out side mould, baffle and prestressed anchor;
(2) interleaving agent or covering isolation film are brushed in the medial surface of ground mould upper surface, baffle and Bian Mo;
(3) one group of reinforcing bar of tensioning between prestressed anchor;
(4) flute profile core is installed on ground mould, then is positioned on the inside of reinforcing bar by a pair of of positioning checkpoint, prevents air bag from moving left and right And floating;
(5) cushion block of concrete bar protective layer or built-in fitting are connected on reinforcing bar;
(6) produce chutable concrete and be poured between the mould of side, vibrated after a part of chutable concrete is filled It is closely knit, insulating layer is subsequently filled, concrete is poured into a mould again after the completion of insulating layer filling, completes the making of individual layer trough plate;
(7) by the trough plate of moulding by casting stand 1-3 it is small when after, light is received on surface;
(8) steam curing or natural curing are carried out to trough plate;
(9) indwelling test specimen detects;
(10) membrane is laid with the molding trough plate of last layer, one group of reinforcing bar of tensioning and is set between prestressed anchor again Positioning checkpoint, and side mould is fixedly connected with again, repeat step five to eight, carries out the preparation of next layer of trough plate;
(11) repeat step 10 so that the trough plate stacking number of plies is 3-6 layers.
2. the laminated type preparation method of trough plate as claimed in claim 1, it is characterized in that:Described ground mould uses long line tableland Mould, and using concrete or cover steel plate material, adjusting of the mould sliceable insert in described ground into line width.
3. the laminated type preparation method of trough plate as claimed in claim 2, it is characterized in that:The isolation film is thin using plastics Film.
4. the laminated type preparation method of trough plate as claimed in claim 3, it is characterized in that:The side mould using metal material or Person's light-weight high-strength material, the side mould outer wall are provided with insulating layer.
5. the laminated type preparation method of trough plate as claimed in claim 4, it is characterized in that:It is spaced and is connected with every group of reinforcing bar Some partition plates, the partition plate bottom are provided with reinforcing bar relief hole and core relief hole, and partition plate is provided with below reinforcing bar relief hole Clip.
6. the laminated type preparation method of trough plate according to claim 5, it is characterized in that:The partition plate using styrofoam or KT plate materials.
7. the laminated type preparation method of trough plate according to claim 6, it is characterized in that:It is provided with the outside of the side mould Micro-vibration device.
8. the laminated type preparation method of trough plate according to claim 7, it is characterized in that:It is additionally provided with the middle part of the side mould Reinforcing plate.
9. the laminated type preparation method of trough plate according to claim 8, it is characterized in that:The side modulus amount is one group, Described ground mould sidepiece is further fixed on side mould lifting device, which stands including being fixed on two groups at left and right sides of ground mould Bar, every upright bar are arranged at intervals with some location holes from top to bottom, are slided in upright bar and are provided with side mould location structure, the side Mould location structure and location hole are positioned by being clamped pin;The side mould is in " Contraband " type, and the side mould location structure includes sliding The sliding sleeve being arranged in upright bar is moved, a hinged block is fixedly connected with the sliding sleeve, a hinge is fixed with the hinged block Outbound, a connecting plate with branch outlet are hingedly connected on the swivel pin by branch outlet, are offered at the top of the swivel pin Thread segment, when connecting plate needs fixed, connecting plate is fixed by the thread segment of swivel pin for a nut, when side mould When needing positioning, connecting plate is fixed or is connected among the mould of side;It is logical at the top of two upright bars on same straight line Crossbeam is crossed to be attached.
CN201711162272.1A 2017-11-21 2017-11-21 Laminated preparation method of trough plate Active CN108032426B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4087072A (en) * 1977-02-22 1978-05-02 Olsen Audun P Form means for fabricating pre-cast structural panels
CN85102720A (en) * 1985-04-16 1986-11-12 黑龙江省建筑设计院新技术研究所 On-the-spot lamination is produced the prestressed reinforced concrete arched roof plate
CN203460298U (en) * 2013-09-09 2014-03-05 乐居众普(北京)新型墙体材料有限公司 Long-line flat die for manufacturing lightweight partition boards
CN105563623A (en) * 2016-03-07 2016-05-11 任松 Production method for prefabricated wall boards
CN105672249A (en) * 2016-03-28 2016-06-15 福建省闽工新型建材有限公司 Concrete channel plate pile and manufacturing method thereof
CN105818266A (en) * 2015-01-09 2016-08-03 四川华西绿舍建材有限公司 Channel plate mold and method for manufacturing channel plate by means of channel plate mold

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4087072A (en) * 1977-02-22 1978-05-02 Olsen Audun P Form means for fabricating pre-cast structural panels
CN85102720A (en) * 1985-04-16 1986-11-12 黑龙江省建筑设计院新技术研究所 On-the-spot lamination is produced the prestressed reinforced concrete arched roof plate
CN203460298U (en) * 2013-09-09 2014-03-05 乐居众普(北京)新型墙体材料有限公司 Long-line flat die for manufacturing lightweight partition boards
CN105818266A (en) * 2015-01-09 2016-08-03 四川华西绿舍建材有限公司 Channel plate mold and method for manufacturing channel plate by means of channel plate mold
CN105563623A (en) * 2016-03-07 2016-05-11 任松 Production method for prefabricated wall boards
CN105672249A (en) * 2016-03-28 2016-06-15 福建省闽工新型建材有限公司 Concrete channel plate pile and manufacturing method thereof

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Address after: 408000 6th floor, office building, Lizhi sub district office, No.38, Shiyan Road, Fuling District, Chongqing

Patentee after: Chongqing Hengsheng Daye Construction Technology Group Co.,Ltd.

Address before: 408000 6th floor, office building, Lizhi sub district office, No.38, Shiyan Road, Fuling District, Chongqing

Patentee before: CHONGQING DAYE NEW BUILDING MATERIAL GROUP Co.,Ltd.

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Effective date of registration: 20220424

Address after: 408000 6th floor, office building, Lizhi sub district office, No.38, Shiyan Road, Fuling District, Chongqing

Patentee after: Chongqing Fuling Daye building materials Co.,Ltd.

Address before: 408000 6th floor, office building, Lizhi sub district office, No.38, Shiyan Road, Fuling District, Chongqing

Patentee before: Chongqing Hengsheng Daye Construction Technology Group Co.,Ltd.