CN102359223A - Connection clapboard of combined PVC (Poly Vinyl Chloride) building template and manufacture method thereof - Google Patents
Connection clapboard of combined PVC (Poly Vinyl Chloride) building template and manufacture method thereof Download PDFInfo
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- CN102359223A CN102359223A CN2011103071151A CN201110307115A CN102359223A CN 102359223 A CN102359223 A CN 102359223A CN 2011103071151 A CN2011103071151 A CN 2011103071151A CN 201110307115 A CN201110307115 A CN 201110307115A CN 102359223 A CN102359223 A CN 102359223A
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- dividing plate
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- construction formwork
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92904—Die; Nozzle zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92933—Conveying, transporting or storage of articles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to the field of buildings and in particular relates to a connection clapboard of a building template and a manufacture method thereof. The connection clapboard of the combined PVC (Poly Vinyl Chloride) building template has the thickness of 1-10mm, the middle of the connection clapboard is provided with a main reinforcing steel bar through hole, at least one end part of the connection clapboard is provided with an I-shaped connection head which is provided with two T-shaped connection rails, and two side surfaces of the middle of the connection clapboard are respectively provided with a T-shaped connection rail. The PVC connection clapboard is manufactured through extrusion molding, and has a smooth and clear surface. The building template of the connection clapboard provided by the invention adopts an infinite continuous assembling manner, after the building template is poured, wall bodies of a building are completely connected into a whole, and the transverse tensile force of the wall bodies is greatly increased. The safety property, especially earthquake resistant behaviour of the building can be greatly enhanced.
Description
Technical field
The present invention relates to building field, relate in particular to connection dividing plate of a kind of construction formwork and preparation method thereof.
Background technology
At present, the bamboo offset plate is generally adopted in the casting of traditional architecture industry cement wall, facade and pond etc. nail such as plank pallet, and in work progress, construction technology is complicated, and is consuming time, consumption power, and also metope must whitewash paint.
Chinese invention patent (the patent No. 200520035704; The applying date 2005/10/10) a kind of manufacturing approach of Wood plastic composite material building mould board is disclosed; It mainly adopts the PVC plastics is major ingredient, is equipped with wood powder. the bamboo powder. and stabilizing agent, plasticizing agent; Sliding agent is an auxiliary material, annotates mixing granulation, extrudes, mould shape, cutting finished product.This patent mainly is to substitute present bamboo offset plate. traditional materials such as plank do not have new breakthrough on the function of use.
The applicant has applied for a kind of combined type PVC construction formwork on the same day, and this construction formwork comprises panel, connects dividing plate and strengthens gusset; The two ends of described panel inwards are respectively arranged with first " C " type link slot; The middle part that connects dividing plate is provided with the main reinforcement port; Two ends that connect dividing plate are respectively arranged with the I shape connector; The I shape connector has two first T-shapes and connects rails, and two first T-shapes that connect an end of dividing plate connect in first " C " type link slot that rails are buckled in two inboard panels respectively, and two panels of inboard are linked into an integrated entity; Two first T-shapes of the other end connect in first " C " type link slot of two panels that rails are buckled in the outside respectively, and two panels in the outside are linked into an integrated entity; The medial surface of the panel of medial and lateral is equipped with second T-shape and connects rail; Two sides that connect dividing plate are respectively arranged with the 3rd T-shape and connect rail; Two ends of described reinforcement gusset are respectively arranged with second " C " type link slot, and two second " C " type link slots are connected rail respectively and are connected rail with the 3rd T-shape and are interlockingly connected with second T-shape.
Summary of the invention
The connection dividing plate that the purpose of this invention is to provide a kind of combined type PVC construction formwork, this connection dividing plate has anti-impact withstand voltage properties, good weatherability, the characteristics that easy construction is simple and direct.Another object of the present invention provides the preparation method of the connection dividing plate of above-mentioned combined type PVC construction formwork.
In order to realize first above-mentioned purpose, the technical scheme below the present invention has adopted:
A kind of connection dividing plate of combined type PVC construction formwork; The thickness of this connection dividing plate is 1～10mm; The middle part that connects dividing plate is provided with the main reinforcement port, and at least one end that connects dividing plate is provided with the I shape connector, and the I shape connector has two T-shapes and connects rail; And be respectively equipped with T-shape in two sides, middle part that connect dividing plate and connect rail, the material extrusion molding below described connection dividing plate adopts is processed:
2.5～6.5 parts of 100 parts of calcium zinc stabilizers of polyvinyl chloride resin SG-5
Lightweight CaCO
38～12 parts of 3～7 parts of Du Pont's titanium white powders
0.2～0.8 part of 7～11 parts of UV absorbers UV of impact modifier CPE
1～3 part of reinforcing agent ACR;
Described main reinforcement port makes through the punch press punching.
As preferably, the material extrusion molding below described connection dividing plate adopts is processed:
4～5 parts of 100 parts of calcium zinc stabilizers of polyvinyl chloride resin SG-5
Lightweight CaCO
39～10 parts of 5 parts of Du Pont's titanium white powders
0.5 part of 8～10 parts of UV absorbers UV of impact modifier CPE
2 parts of reinforcing agent ACR.
As preferably, two ends of described connection dividing plate are provided with the I shape connector, and the I shape connector has two T-shapes and connects rails.
As preferably, an end of described connection dividing plate is provided with the I shape connector, and another end is provided with link slot, and link slot is made up of two " J " type section bars.
As preferably, the sidepiece that has at least of described connection dividing plate is provided with time reinforcing bar port.
As preferably, the thickness of described connection dividing plate is 2～5mm.
In order to realize second above-mentioned purpose, the technical scheme below the present invention has adopted:
A kind of preparation method of connection dividing plate of combinations thereof formula PVC construction formwork, this method comprises the steps:
1. PVC resin, precipitated calcium carbonate, impact modifier CPE, reinforcing agent ACR, calcium zinc stabilizer, Du Pont's stabilizing agent, UV absorbers UV drops into the blend of heat pot;
During 2. hot pot temperature to 115 ℃-120 ℃, blanking is to cold pot, coldly mixes to 40 ℃ blanking to charge car;
3. blend composition is extruded to extruder after the charge car was stacked 24 hours; Extrude 160 ℃-165 ℃ of one section temperature of barrel; 160 ℃-165 ℃ of two sections temperature of barrel, 165 ℃-170 ℃ of three sections temperature of barrel, 170 ℃-175 ℃ of one section temperature of four sections temperature barrels of barrel; 175 ℃-180 ℃ of merging core temperature, 190 ℃-195 ℃ of die head temperatures;
4. extrude the rear haulage moulding, hauling speed 2-3.5w/wm;
5. goods cutting, punch press punching.
The present invention adopts calcium zinc stabilizer to have the characteristics of environment-protecting asepsis, and finished product lead content≤200ppm reaches American-European technical standard fully.Adding the CPE impact modifier, improved the anti-impact withstand voltage properties of goods greatly, cooperate unique bayonet socket draw-in groove mode, more than the withstand voltage 1200PNS of moment, is more than 2 times of cement casting maximum pressure 600PNS.Add Du Pont's titanium white powder, the UV UV absorbers has improved the weatherability of goods greatly, and outdoor use is ageing-resistant more than 20 years.PVC connects dividing plate and adopts extrusion molding to make, so product surface is smooth, and cleaning.
What the construction formwork that adopts the present invention to connect dividing plate adopted is unlimited erection method continuously, and after pouring, building masonry wall fuses fully, and the body of wall lateral pull has increased greatly.Improved the security performance of building greatly, especially anti-seismic performance.This construction formwork mainly is applicable to the cement casting body of wall, facade, tank, round pond, storage cistern, particularly external farm, pasture, plant etc.
Description of drawings
Fig. 1 connects the structural representation of the construction formwork of dividing plate for adopting the present invention.
Fig. 2 is an A portion enlarged drawing among Fig. 1.
Fig. 3 is the structural representation of panel.
Fig. 4 is the structural representation that embodiment 1 connects dividing plate.
Fig. 5 is the sectional view of A-A among Fig. 4.
Fig. 6 is the structural representation of reinforcement gusset of the present invention.
Fig. 7 is the sectional view of B-B among Fig. 6.
Fig. 8 is the structural representation that embodiment 2 connects dividing plate.
Fig. 9 is the sectional view of C-C among Fig. 8.
Figure 10 is the structural representation that embodiment 3 connects dividing plate.
Figure 11 is the sectional view of D-D among Figure 10.
The specific embodiment
Do a detailed explanation below in conjunction with the accompanying drawing specific embodiments of the invention.
Combined type PVC construction formwork as shown in Figure 1, this construction formwork comprise panel 1, connect dividing plate 2 and strengthen gusset 3 formations.As shown in Figure 3, the two ends of panel 1 inwards are respectively arranged with first " C " type link slot 11, and the middle part that connects dividing plate 2 is provided with main reinforcement port 22.Fig. 4, shown in Figure 5, two ends that connect dividing plate 2 are respectively arranged with I shape connector 21, and I shape connector 21 has two first T-shapes and connects rail 24.As shown in Figure 2; Two first T-shapes connection rails 24 that connect an end of dividing plate 2 are buckled in respectively in first " C " type link slot 11 of two inboard panels 1; Two panels 1 of inboard are linked into an integrated entity; Two first T-shapes of the other end connect in first " C " type link slot 11 of two panels 1 that rails 24 are buckled in the outside respectively, and two panels 1 in the outside are linked into an integrated entity.And also be provided with at the medial surface of the panel 1 of medial and lateral and be fixedly connected groove 13; Be fixedly connected the panel 1 that is provided with described connection dividing plate 2 connection medial and lateral in the groove 13; Be fixedly connected groove 13 and be made up of two " J " type section bars 14, two first T-shapes of described connection dividing plate 2 connect rail 24 and are buckled in respectively in two " J " type section bars 14.As shown in Figure 3, the medial surface of the panel 1 of medial and lateral is equipped with second T-shape and connects rail 12, and two sides that connect dividing plate 2 are respectively arranged with the 3rd T-shape and connect rail 23.Like Fig. 6, shown in Figure 7; Described reinforcement gusset 3 is with panel 1 and be connected and all become 45 between the dividing plate 2; Two ends strengthening gusset 3 are respectively arranged with 31, two second " C " types of second " C " type link slot link slot 31 and are connected rail 12 respectively with second T-shape and are connected rail 23 with the 3rd T-shape and are interlockingly connected.Two sidepieces that connect dividing plate 2 are provided with reinforcing bar port 25 for the first time, and the middle part of strengthening gusset 3 is provided with reinforcing bar port 32 for the second time, and reinforcing bar port 25 and reinforcing bar port 32 for the second time are in the same position of mutual perforation for the first time.
Above-mentioned panel 1, connection dividing plate 2, the material of strengthening below gusset 3 employings are processed:
4.5 parts of 100 parts of calcium zinc stabilizers of polyvinyl chloride resin SG-5
Lightweight CaCO
310 parts of 5 parts of Du Pont's titanium white powders
0.5 part of 9 parts of UV absorbers UV of impact modifier CPE
2 parts of reinforcing agent ACR.
The production method of combinations thereof formula PVC building template may further comprise the steps:
1. polyvinyl chloride resin, precipitated calcium carbonate, CPE impact modifier, ACR reinforcing agent, calcium zinc stabilizer, Du Pont's titanium white powder, UV UV absorbers, the blend of input heat pot;
During 2. hot pot temperature to 118 ℃, blanking is to cold pot, coldly mixes to 40 ℃ blanking to charge car;
3. blend composition extruder after the charge car is stacked 24 hours is extruded, and extrudes 162 ℃ of one section temperature of barrel, 162 ℃ of two sections temperature of barrel, 166 ℃ of three sections temperature of barrel, 4 172 ℃ of barrels, 178 ℃ of merging cores, 192 ℃ of die head temperatures;
4. extrude the rear haulage moulding, hauling speed 3.0m/wm;
5. panel 1 cleaning packing connects dividing plate 2 and strengthens gusset 3 punch press punchings.
Obtained product the key technical indexes is following:
Proportion: 1.47
Hot strength: 2800Mpa
Tensile strength: 45.3Mpa
Bending modulus: 2850Mpa
Flexural strength: 88.5Mpa
Durometer hardness: 79
Under the distortion load, plastic edge location bending temperature: 72.7 ℃
Coefficient of thermal expansion: 0.000065cm/cm/ ℃
Lead content: 110PPM.
On the method for using of combined type PVC construction formwork following: monolateral panel 1 is installed earlier; Connect and strengthen gusset 3 and be connected dividing plate 2; After the monolateral completion, wire-tie, transverse reinforcement is respectively through main reinforcement port 22 and reinforcing bar port 25 and reinforcing bar port 32 for the first time for the second time; Then, another sheet panel 1 is installed, last, the cementation cast.
3.5 parts of 100 parts of calcium zinc stabilizers of polyvinyl chloride resin SG-5
Lightweight CaCO
39 parts of 6 parts of Du Pont's titanium white powders
0.5 part of 10 parts of UV absorbers UV of impact modifier CPE
2 parts of reinforcing agent ACR;
Described main reinforcement port 22 makes through the punch press punching.
Like the connection dividing plate 2 of Figure 10, combined type PVC construction formwork shown in Figure 11, the thickness of this connection dividing plate 2 is 3mm, and the middle part that connects dividing plate is provided with main reinforcement port 22, and a sidepiece that connects dividing plate 2 is provided with reinforcing bar port 25 for the first time.And be provided with I shape connector 21 in an end that connects dividing plate 2, and I shape connector 21 has two T-shapes and connects rails 24, and another end is provided with link slot 26, and link slot 26 is made up of two " J " type section bars 27.And be respectively equipped with T-shape in two sides, middle part that connect dividing plate 2 and connect rail 23, (preparation method such as embodiment 1 are said) processed in the material extrusion molding below described connection dividing plate 2 adopts:
6.5 parts of 100 parts of calcium zinc stabilizers of polyvinyl chloride resin SG-5
0.7 part of 10 parts of UV absorbers UV of impact modifier CPE
3 parts of reinforcing agent ACR;
Described main reinforcement port 22 and reinforcing bar port for the first time 25 make through the punch press punching.
Claims (7)
1. the connection dividing plate of a combined type PVC construction formwork; It is characterized in that: the thickness that connects dividing plate (2) is 1～10mm; The middle part that connects dividing plate (2) is provided with main reinforcement port (22); At least one end that connects dividing plate (2) is provided with I shape connector (21); I shape connector (21) has two T-shapes and connects rail (24), and is respectively equipped with T-shape connection rail (24) in two sides, middle part that connect dividing plate (2), and the material extrusion molding below described connection dividing plate (2) adopts is processed:
2.5～6.5 parts of 100 parts of calcium zinc stabilizers of polyvinyl chloride resin SG-5
Lightweight CaCO
38～12 parts of 3～7 parts of Du Pont's titanium white powders
0.2～0.8 part of 7～11 parts of UV absorbers UV of impact modifier CPE
1～3 part of reinforcing agent ACR;
Described main reinforcement port (22) makes through the punch press punching.
2. the connection dividing plate of a kind of combined type PVC construction formwork according to claim 1 is characterized in that: the material extrusion molding below described connection dividing plate (2) adopts is processed:
4～5 parts of 100 parts of calcium zinc stabilizers of polyvinyl chloride resin SG-5
Lightweight CaCO
39～10 parts of 5 parts of Du Pont's titanium white powders
0.5 part of 8～10 parts of UV absorbers UV of impact modifier CPE
2 parts of reinforcing agent ACR.
3. the connection dividing plate of a kind of combined type PVC construction formwork according to claim 1 and 2; It is characterized in that: two ends that connect dividing plate (2) are provided with I shape connector (21), and I shape connector (21) has two T-shapes and connects rail (24).
4. the connection dividing plate of a kind of combined type PVC construction formwork according to claim 1 and 2; It is characterized in that: an end that connects dividing plate (2) is provided with I shape connector (21); Another end is provided with link slot (26), and link slot (26) is made up of two " J " type section bars (27).
5. the connection dividing plate of a kind of combined type PVC construction formwork according to claim 1 and 2 is characterized in that: the sidepiece that has at least that connects dividing plate (2) is provided with time reinforcing bar port (25).
6. the connection dividing plate of a kind of combined type PVC construction formwork according to claim 1 and 2 is characterized in that: the thickness that connects dividing plate (2) is 2～5mm.
7. the preparation method of the connection dividing plate of an a kind of combined type PVC construction formwork according to claim 1 or claim 2, this method comprises the steps:
1. PVC resin, precipitated calcium carbonate, impact modifier CPE, reinforcing agent ACR, calcium zinc stabilizer, Du Pont's stabilizing agent, UV absorbers UV drops into the blend of heat pot;
During 2. hot pot temperature to 115 ℃-120 ℃, blanking is to cold pot, coldly mixes to 40 ℃ blanking to charge car;
3. blend composition is extruded to extruder after the charge car was stacked 24 hours; Extrude 160 ℃-165 ℃ of one section temperature of barrel; 160 ℃-165 ℃ of two sections temperature of barrel, 165 ℃-170 ℃ of three sections temperature of barrel, 170 ℃-175 ℃ of one section temperature of four sections temperature barrels of barrel; 175 ℃-180 ℃ of merging core temperature, 190 ℃-195 ℃ of die head temperatures;
4. extrude the rear haulage moulding, hauling speed 2-3.5w/wm;
5. goods cutting, punch press punching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103071151A CN102359223A (en) | 2011-10-12 | 2011-10-12 | Connection clapboard of combined PVC (Poly Vinyl Chloride) building template and manufacture method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103071151A CN102359223A (en) | 2011-10-12 | 2011-10-12 | Connection clapboard of combined PVC (Poly Vinyl Chloride) building template and manufacture method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102359223A true CN102359223A (en) | 2012-02-22 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103071151A Withdrawn CN102359223A (en) | 2011-10-12 | 2011-10-12 | Connection clapboard of combined PVC (Poly Vinyl Chloride) building template and manufacture method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN102359223A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003006760A1 (en) * | 2001-07-10 | 2003-01-23 | Francesco Piccone | Formwork connecting member |
| WO2005007985A1 (en) * | 2003-07-22 | 2005-01-27 | Francesco Piccone | Concrete formwork |
| CN1597762A (en) * | 2004-08-04 | 2005-03-23 | 芜湖海螺型材科技股份有限公司 | Leadless special-shaped section bar for door and window |
| CN101575910A (en) * | 2009-06-06 | 2009-11-11 | 许凡顺 | Complex architectural template and preparation method thereof |
| CN101597948A (en) * | 2009-07-13 | 2009-12-09 | 华浚塑料建材有限公司 | Environmental-friendly lead-free PVC ceiling sheet and manufacture method thereof and application |
-
2011
- 2011-10-12 CN CN2011103071151A patent/CN102359223A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003006760A1 (en) * | 2001-07-10 | 2003-01-23 | Francesco Piccone | Formwork connecting member |
| WO2005007985A1 (en) * | 2003-07-22 | 2005-01-27 | Francesco Piccone | Concrete formwork |
| CN1597762A (en) * | 2004-08-04 | 2005-03-23 | 芜湖海螺型材科技股份有限公司 | Leadless special-shaped section bar for door and window |
| CN101575910A (en) * | 2009-06-06 | 2009-11-11 | 许凡顺 | Complex architectural template and preparation method thereof |
| CN101597948A (en) * | 2009-07-13 | 2009-12-09 | 华浚塑料建材有限公司 | Environmental-friendly lead-free PVC ceiling sheet and manufacture method thereof and application |
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Application publication date: 20120222 |