WO2023128920A1 - A welding mechanism for the fabrication of floaters used in floating solar power plants - Google Patents
A welding mechanism for the fabrication of floaters used in floating solar power plants Download PDFInfo
- Publication number
- WO2023128920A1 WO2023128920A1 PCT/TR2021/051676 TR2021051676W WO2023128920A1 WO 2023128920 A1 WO2023128920 A1 WO 2023128920A1 TR 2021051676 W TR2021051676 W TR 2021051676W WO 2023128920 A1 WO2023128920 A1 WO 2023128920A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- solar power
- fabrication
- power plants
- plate
- floating solar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
- B29C65/20—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror"
- B29C65/2007—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror" characterised by the type of welding mirror
- B29C65/203—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror" characterised by the type of welding mirror being several single mirrors, e.g. not mounted on the same tool
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
- B29C65/20—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror"
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7841—Holding or clamping means for handling purposes
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/112—Single lapped joints
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/114—Single butt joints
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/52—Joining tubular articles, bars or profiled elements
- B29C66/522—Joining tubular articles
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/53—Joining single elements to tubular articles, hollow articles or bars
- B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
- B29C66/5346—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
- B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/84—Specific machine types or machines suitable for specific applications
- B29C66/843—Machines for making separate joints at the same time in different planes; Machines for making separate joints at the same time mounted in parallel or in series
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/84—Specific machine types or machines suitable for specific applications
- B29C66/843—Machines for making separate joints at the same time in different planes; Machines for making separate joints at the same time mounted in parallel or in series
- B29C66/8432—Machines for making separate joints at the same time mounted in parallel or in series
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/70—Waterborne solar heat collector modules
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
- F24S80/30—Arrangements for connecting the fluid circuits of solar collectors with each other or with other components, e.g. pipe connections; Fluid distributing means, e.g. headers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
Definitions
- the invention generally relates to floaters used in floating solar power plants.
- the invention relates to the welding machine used in the fabrication of floats that allow floating solar power plants to float on water, enabling the fabrication of floats to be made faster and more robust.
- Solar power plants are used to convert energy from the sun into electrical energy.
- Solar power plants can be used on land and sea, those used in the sea are called floating solar power plants.
- Floating solar power plants have advantages such as not covering land on land, benefiting more from solar energy on flat ground, and being less affected by environmental factors.
- Floating solar power plants float on the water using floats connected to the bottom.
- Said floaters are manufactured from pipes and are formed by joining the pipes together by welding.
- the pipes used in the floats are connected by the butt welding method.
- this method using a butt-welding machine, the ends of the pipes to be welded to each other are trimmed and both ends are attached by pressure under a certain temperature.
- the pipes are welded together one by one.
- the fact that the floaters consist of more than one pipe means that the welding process is performed individually for each pipe pair. This situation causes the prolongation of the fabrication times of the floaters.
- the single welding process brings the risk of error in the process.
- the application TR2021/005715 encountered in the state of the art relates to a floating solar power plant.
- embodiments using fiber floaters and concrete floaters are mentioned.
- the aim here is to prevent the risk of fire by preventing the solar panels from swinging.
- the present invention relates to a welding mechanism that meets the aforementioned needs and eliminates all the disadvantages and provides advantages thereof.
- the main object of the invention is to connect the pipes by welding in the floaters used in the floating solar power plant.
- An object of the invention is to provide the simultaneous welding and joining of all pipes used in floaters. This will save a great deal of time.
- Another object of the invention is to ensure that more than one pipe can be welded at the same time, thus minimizing the possibility of errors (sealing and thermal stresses) that may occur during the welding process. With this fabrication method, labor and cost savings will be achieved by transforming the buoyant production into mass production.
- FIG. 1 is a general view of the welding mechanism which is the subject of the invention.
- the invention relates to the welding mechanism that is used in the fabrication of floats that allow floating solar power plants to float on water, and that allows the ends of the pipes (6) in the floats to be welded with the cover plate (6) comprising;
- FIG. 1 is given the general view of the welding mechanism of the invention.
- the said welding mechanism in its most general form consists of a clamping plate (1), a heating plate (2), a heating module (3) and a fixing plate (4).
- the pipes (6) to be joined by welding in the floater are positioned on the fixing plate (4).
- the fixing plate (4) is also in contact with the clamping plate (1 ).
- the heating plate (2) provides heating of the heating modules (3) positioned on it with the help of resistance or high-temperature fluid. With the heating of the heating modules (3), the fixing plate (4) pulls the clamping plate (1 ) to which it is connected.
- the cover plate (5) on the clamping plate (1) that enables the ends of the pipe (6) to be closed.
- the pressure of the clamping plate (1) towards the ends of the pipe (6) and the heating modules (3) provide melting in the cover plate (5) and the ends of the pipes (6).
- Said heating modules (3) have a structure with a wide mouth a few mm from the diameter of the pipe (6), and the end of the pipes (6) melts by entering the heating module (3). After the melting occurs, the clamping plate (1) is pulled back and the pressure is removed, the fixing plate (4), the heating plate (2) and the clamping plate (1) are removed.
- the cover plate (5) which is already molten, is connected to the end parts of the pipes (6) by pressure so that the welding process is carried out.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention relates to the welding mechanism that is used in the fabrication of floats that allow floating solar power plants to float on water, and that allows the ends of the pipes (6) in the floats to be welded with the cover plate (6).
Description
A WELDING MECHANISM FOR THE FABRICATION OF FLOATERS USED IN FLOATING SOLAR POWER PLANTS
TECHNICAL FIELD
The invention generally relates to floaters used in floating solar power plants.
In particular, the invention relates to the welding machine used in the fabrication of floats that allow floating solar power plants to float on water, enabling the fabrication of floats to be made faster and more robust.
STATE OF THE ART
Today, solar power plants are used to convert energy from the sun into electrical energy. Solar power plants can be used on land and sea, those used in the sea are called floating solar power plants. Floating solar power plants have advantages such as not covering land on land, benefiting more from solar energy on flat ground, and being less affected by environmental factors.
Floating solar power plants float on the water using floats connected to the bottom. Said floaters are manufactured from pipes and are formed by joining the pipes together by welding.
In the current technique, the pipes used in the floats are connected by the butt welding method. In this method, using a butt-welding machine, the ends of the pipes to be welded to each other are trimmed and both ends are attached by pressure under a certain temperature. However, in this method, the pipes are welded together one by one. The fact that the floaters consist of more than one pipe means that the welding process is performed individually for each pipe pair. This situation causes the prolongation of the fabrication times of the floaters. In addition, the single welding process brings the risk of error in the process.
The application TR2021/005715 encountered in the state of the art relates to a floating solar power plant. In this application, embodiments using fiber floaters and concrete floaters are mentioned. The aim here is to prevent the risk of fire by preventing the solar
panels from swinging. There is no information about the fabrication of tubular floaters in this document.
As a result, improvements are made in the fabrication of floaters used in floating solar power plants, therefore, new structures are needed that will eliminate the disadvantages mentioned above and bring solutions to existing systems.
OBJECT OF THE INVENTION
The present invention relates to a welding mechanism that meets the aforementioned needs and eliminates all the disadvantages and provides advantages thereof.
The main object of the invention is to connect the pipes by welding in the floaters used in the floating solar power plant.
An object of the invention is to provide the simultaneous welding and joining of all pipes used in floaters. This will save a great deal of time.
Another object of the invention is to ensure that more than one pipe can be welded at the same time, thus minimizing the possibility of errors (sealing and thermal stresses) that may occur during the welding process. With this fabrication method, labor and cost savings will be achieved by transforming the buoyant production into mass production.
The structural and characteristic features and all the advantages of the invention will be understood more clearly by reference to the following figures and the detailed explanation thereof. Therefore, the evaluation should be made by taking these figures and detailed explanations into consideration.
BRIEF DESCRIPTION OF THE FIGURES
The invention should be evaluated together with the figures described below for a better understanding of its embodiment and advantages set forth with its attachments thereof.
Figure 1 is a general view of the welding mechanism which is the subject of the invention.
Reference Numbers
1 . Clamping plate
2. Heating plate
3. Heating module
4. Fixing plate
5. Cover plate
6. Pipe
DETAILED DESCRIPTION OF THE INVENTION
In this detailed description, preferred embodiments of the welding mechanism according to the invention are explained only for a better understanding of the subject without any limiting effect.
The invention relates to the welding mechanism that is used in the fabrication of floats that allow floating solar power plants to float on water, and that allows the ends of the pipes (6) in the floats to be welded with the cover plate (6) comprising;
• the fixing plate (4), which enables the positioning of the pipes (6),
• the clamping plate (1) in connection with the fixing plate (4) and on which the cover plate (6) is positioned,
• the heating plate (2) with heating modules (3) positioned between the fixing plate (4) and the clamping plate (1).
Figure 1 is given the general view of the welding mechanism of the invention. The said welding mechanism in its most general form consists of a clamping plate (1), a heating plate (2), a heating module (3) and a fixing plate (4). The pipes (6) to be joined by welding in the floater are positioned on the fixing plate (4). The fixing plate (4) is also in contact with the clamping plate (1 ). There is a heating plate (2) on which the heating modules (3) are positioned between the fixing plate (4) and the clamping plate (1 ). The heating plate (2) provides heating of the heating modules (3) positioned on it with the help of resistance or high-temperature fluid. With the heating of the heating modules (3), the fixing plate (4) pulls the clamping plate (1 ) to which it is connected. There is a cover plate (5) on the clamping plate (1) that enables the ends of the pipe (6) to be closed. The pressure of the
clamping plate (1) towards the ends of the pipe (6) and the heating modules (3) provide melting in the cover plate (5) and the ends of the pipes (6). Said heating modules (3) have a structure with a wide mouth a few mm from the diameter of the pipe (6), and the end of the pipes (6) melts by entering the heating module (3). After the melting occurs, the clamping plate (1) is pulled back and the pressure is removed, the fixing plate (4), the heating plate (2) and the clamping plate (1) are removed. The cover plate (5), which is already molten, is connected to the end parts of the pipes (6) by pressure so that the welding process is carried out.
Claims
CLAIMS Welding mechanism that is used in the fabrication of floats that allow floating solar power plants to float on water, and that allows the ends of the pipes (6) in the floats to be welded with the cover plate (6), characterized by comprising; • the fixing plate (4), which enables the positioning of the pipes (6),
• the clamping plate (1) in connection with the fixing plate (4) and on which the cover plate (6) is positioned,
• the heating plate (2) with heating modules (3) positioned between the fixing plate (4) and the clamping plate (1).
5
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TR2021021997 | 2021-12-30 | ||
| TR2021/021997 TR2021021997A1 (en) | 2021-12-30 | A welding mechanism for the fabrication of floats used in floating solar power plants |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2023128920A1 true WO2023128920A1 (en) | 2023-07-06 |
Family
ID=87000047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/TR2021/051676 Ceased WO2023128920A1 (en) | 2021-12-30 | 2021-12-31 | A welding mechanism for the fabrication of floaters used in floating solar power plants |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2023128920A1 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030183333A1 (en) * | 2002-03-28 | 2003-10-02 | Temple William James | Pipe welder for simultaneously fusing a plurality of polyethylene pipes |
| CN203141846U (en) * | 2013-03-06 | 2013-08-21 | 浙江伟星新型建材股份有限公司 | Die head for welding multiple pipes simultaneously |
| CN213693546U (en) * | 2020-12-14 | 2021-07-13 | 正信光电科技股份有限公司 | A floating tube type water surface photovoltaic module |
-
2021
- 2021-12-31 WO PCT/TR2021/051676 patent/WO2023128920A1/en not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030183333A1 (en) * | 2002-03-28 | 2003-10-02 | Temple William James | Pipe welder for simultaneously fusing a plurality of polyethylene pipes |
| CN203141846U (en) * | 2013-03-06 | 2013-08-21 | 浙江伟星新型建材股份有限公司 | Die head for welding multiple pipes simultaneously |
| CN213693546U (en) * | 2020-12-14 | 2021-07-13 | 正信光电科技股份有限公司 | A floating tube type water surface photovoltaic module |
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