WO2011119064A1 - Method for manufacturing sectionalized bodies for inflatable motor boats - Google Patents
Method for manufacturing sectionalized bodies for inflatable motor boats Download PDFInfo
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- WO2011119064A1 WO2011119064A1 PCT/RU2010/000326 RU2010000326W WO2011119064A1 WO 2011119064 A1 WO2011119064 A1 WO 2011119064A1 RU 2010000326 W RU2010000326 W RU 2010000326W WO 2011119064 A1 WO2011119064 A1 WO 2011119064A1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B5/00—Hulls characterised by their construction of non-metallic material
- B63B5/24—Hulls characterised by their construction of non-metallic material made predominantly of plastics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B7/00—Collapsible, foldable, inflatable or like vessels
- B63B7/02—Collapsible, foldable, inflatable or like vessels comprising only rigid parts
- B63B7/04—Collapsible, foldable, inflatable or like vessels comprising only rigid parts sectionalised
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/70—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by using moulds; Moulds or plugs therefor
- B63B73/72—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by using moulds; Moulds or plugs therefor characterised by plastic moulding, e.g. injection moulding, extrusion moulding or blow moulding
Definitions
- the invention relates to shipbuilding, in particular to the manufacture of sectional hulls of inflatable motor boats.
- Known folding boats containing hull sections which are made with the possibility of laying one hull section into another during storage or transportation and with flanges, frames located between the hull sections of the gasket, having the contours of the flanges, frames, which are interconnected by fasteners, body sections are made of composite material, for example, from eclastic, including four layers of a binder and three carrier layers located alternately between them, for example, of fiberglass, etc. masonry have sides parallel to the plane of the butt hull sections (RU N22099233 patent).
- Hull sections of such boats are made in separate matrices 25 of the corresponding dimensions made of fiberglass.
- the process of manufacturing individual sections is quite complicated due to the difficulty of removing the finished product from the matrix, which for this has to be split, which greatly complicates its design.
- the matrix wears out over time during operation, changes its size, which immediately affects the shape and size of the finished sections made in this matrix, and complicates the process of assembling the boat by docking sections of its hull to each other after they are removed from a deformed matrix, which ultimately reduces the quality of the hull of the boat. Disclosure of invention
- the objective of the invention is to simplify the manufacture of sectional hulls of boats and improve their quality.
- a method of manufacturing sectional hulls of boats including the use of dies for forming sections of the hull, is characterized in that they produce a single reusable matrix, the size and shape of which correspond to the required size and shape of the boat assembly, then between the transom of the matrix and its bow part set several removable transverse longitudinal axis of the boat partitions, dividing the total matrix volume into several volume cavities, the dimensions of which correspond to the required dimensions frames of the sections of the case, after this, several sections of the case are molded with composite material in non-adjacent volume cavities of the matrix, having previously covered their surfaces with a separating layer, after which the partitions are removed and the remaining sections of the case are made with composite material using side walls as partitions formed sections, having previously covered their surfaces with a separation layer, then all sections of the body are removed from the matrix and divided into separate parts.
- the invention is characterized by a number of optional features, namely:
- - sections are formed using composite material, for example fiberglass, comprising several layers of a binder and load-bearing layers arranged alternately between them, for example, of glass fabric.
- the applicant has not identified sources containing information on technical solutions, the combination of features of which coincide with the combination of distinctive features of the invention, which allows us to conclude that the invention meets the condition of "novelty" (N).
- the immediate technical result that can be obtained by implementing the claimed invention lies in the absence of the need for several matrices for each section of the hull of the boat, in the formation of separate sections of the hull using one matrix, and also that 5 walls are formed in this way sections for any deformation of the main matrix perfectly fit to the walls of adjacent sections, which improves the quality of the hull of the boat as a whole.
- the operation to extract finished products from the matrix is greatly simplified.
- FIG. 1 shows a section along the matrix with removable partitions installed in it
- FIG. 2 shows a section along the matrix with formed sections of the body in two non-adjacent volume cavities of the matrix
- FIG. 3 is a section along the matrix with removable removable partitions
- FIG. 4 is a section along the matrix with 25 formed sections of the body in all volume cavities of the matrix.
- the method is implemented as follows.
- a single reusable matrix 1 is made, the size and shape of which correspond to the required dimensions and shape of the assembled boat.
- I divide their total matrix volume into several volume cavities 5, the sizes of which correspond to the required dimensions of the sections of the housing.
- a composite material is molded into several sections 6 of the casing in adjacent volume cavities 5 of the matrix 1, having previously covered their surfaces with a separation layer (not shown conditionally in the drawings).
- the partitions 4 are removed and molded with the composite material of the remaining sections 6 of the casing, using the side walls of the already formed sections 6 as partitions, having previously covered their surface with a separation layer.
- glass-plastic based on polyester resins can be used as a composite material.
- the molding of sections 6 can be carried out using a composite material, for example fiberglass, comprising several layers of a binder and carrier layers arranged alternately between them, for example, of fiberglass.
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- Ocean & Marine Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
The invention relates to ship building, and in particular to the manufacturing of sectionalized bodies of boats. A single reusable die 1 is produced. A number of detachable partitions 4 which are transverse to the longitudinal axis of the boat and divide the overall volume of the die into a number of three-dimensional cavities 5 are mounted between the transom 2 of the die 1 and the fore part 3 thereof. A number of body sections 6 are then moulded with composite material in non-adjacent three-dimensional cavities 5 of the die 1, the surfaces of which sections having been covered beforehand by a dividing layer. The partitions 4 are then removed and the remaining body sections 6 moulded with composite material, using the lateral walls of the sections 6, which have already been formed and the surfaces of which have been covered beforehand by a dividing material, as the partitions. All of the body sections 6 are then removed from the die 1 and divided into separate parts.
Description
Способ изготовления секционных корпусов A method of manufacturing sectional housings
надувных моторных лодок inflatable motor boats
5 5
Область техники Technical field
Изобретение относится к судостроению, в частности к изготовлению сек- ю ционных корпусов надувных моторных лодок. The invention relates to shipbuilding, in particular to the manufacture of sectional hulls of inflatable motor boats.
Предшествующий уровень техники State of the art
Известны разборные лодки, содержащие корпусные секции, которые вы- 15 полнены с возможностью укладывания одной корпусной секции в другую при хранении или транспортировке и с фланцами-шпангоутами, расположенные между корпусными секциями прокладки, имеющие контуры фланцев- шпангоутов, которые соединены между собой крепежными деталями, корпус- ные секции выполнены из композиционного материала, например с еклопла- 20 стика, включающего четыре слоя связующего и расположенные поочередно между ними три несущих слоя, например, из стеклоткани, прокладки имеют стороны, параллельные плоскости стыковых корпусных секций (патент RU N22099233). Known folding boats containing hull sections, which are made with the possibility of laying one hull section into another during storage or transportation and with flanges, frames located between the hull sections of the gasket, having the contours of the flanges, frames, which are interconnected by fasteners, body sections are made of composite material, for example, from eclastic, including four layers of a binder and three carrier layers located alternately between them, for example, of fiberglass, etc. masonry have sides parallel to the plane of the butt hull sections (RU N22099233 patent).
Корпусные секции таких лодок изготавливаются в отдельных матрицах 25 соответствующих размёров, выполненных из стеклопластика. Процесс изготов- ления отдельных секций достаточно сложен ввиду трудности извлечения гото- вого изделия из матрицы, которую для этого приходится выполнять разъемной, что значительно усложняет её конструкцию. Кроме того, матрица со временем в процессе эксплуатации изнашивается, изменяет свои размеры, что немедлен- зо но сказывается на форме и размерах готовых секций, изготовленных в данной матрице, и усложняет процесс сборки лодки путем стыковки секций её корпу- са между собой после их извлечения из деформированной матрицы, что в ко- нечном счёте снижает качество корпуса лодки.
Раскрытие изобретения Hull sections of such boats are made in separate matrices 25 of the corresponding dimensions made of fiberglass. The process of manufacturing individual sections is quite complicated due to the difficulty of removing the finished product from the matrix, which for this has to be split, which greatly complicates its design. In addition, the matrix wears out over time during operation, changes its size, which immediately affects the shape and size of the finished sections made in this matrix, and complicates the process of assembling the boat by docking sections of its hull to each other after they are removed from a deformed matrix, which ultimately reduces the quality of the hull of the boat. Disclosure of invention
Задачей изобретения является упрощение изготовления секционных корпусов лодок и повышение их качества. The objective of the invention is to simplify the manufacture of sectional hulls of boats and improve their quality.
Согласно изобретению способ изготовления секционных корпусов лодок, включающий использование матриц для формовки секций корпуса, характери- зуется тем, что изготавливают единственную матрицу многоразового использо- вания, размер и формы которой соответствуют требуемым размерам и форме лодки в сборе, затем между транцем матрицы и ее носовой частью устанавли- вают несколько съемных поперечных продольной оси лодки перегородок, раз- деляющих общий объём матрицы на несколько объёмных полостей, размеры которых соответствуют требуемым размерам секций корпуса, после этого про- изводят формовку композиционным материалом нескольких секций корпуса в несмежных между собой объёмных полостях матрицы, предварительно покрыв их поверхности разделительным слоем, после чего перегородки снимают и производят формовку композиционным материалом остальных секций корпуса, используя в качестве перегородок боковые стенки уже отформованных секций, предварительно покрыв их поверхности разделительным слоем, затем все сек- ции корпуса вынимают из матрицы и разделяют на отдельные части. According to the invention, a method of manufacturing sectional hulls of boats, including the use of dies for forming sections of the hull, is characterized in that they produce a single reusable matrix, the size and shape of which correspond to the required size and shape of the boat assembly, then between the transom of the matrix and its bow part set several removable transverse longitudinal axis of the boat partitions, dividing the total matrix volume into several volume cavities, the dimensions of which correspond to the required dimensions frames of the sections of the case, after this, several sections of the case are molded with composite material in non-adjacent volume cavities of the matrix, having previously covered their surfaces with a separating layer, after which the partitions are removed and the remaining sections of the case are made with composite material using side walls as partitions formed sections, having previously covered their surfaces with a separation layer, then all sections of the body are removed from the matrix and divided into separate parts.
Кроме того, изобретение характеризуется рядом факультативных призна- ков, а именно: In addition, the invention is characterized by a number of optional features, namely:
- в качестве композиционного материала используют стеклопластик на основе полиэфирных смол; - fiberglass based on polyester resins is used as a composite material;
- формовку секций осуществляют с использованием композиционного мате- риала, например стеклопластика, включающего несколько слоев связующего и расположенных поочередно между ними несущих слоев, например, из стекло- ткани. - sections are formed using composite material, for example fiberglass, comprising several layers of a binder and load-bearing layers arranged alternately between them, for example, of glass fabric.
Заявителем не выявлены источники, содержащие информацию о техниче- ских решениях, совокупности признаков которых совпадают с совокупностью отличительных признаков изобретения, что позволяет сделать вывод о соот- ветствии изобретения условию "новизна" (N).
Непосредственный технический результат, который может быть получен при реализации заявленного изобретения заключается в отсутствии необходи- мости в нескольких матрицах для каждой секции корпуса лодки, в формирова- нии отдельных секций корпуса с помощью одной матрицы, а также в том, что 5 стенки формируемых таким образом секций при любых деформациях основной матрицы идеально прилегают к стенкам смежных с ними секций, что повышает качество корпуса лодки в целом. Кроме того, существенно упрощается опера- ция по извлечению готовых изделий из матрицы. The applicant has not identified sources containing information on technical solutions, the combination of features of which coincide with the combination of distinctive features of the invention, which allows us to conclude that the invention meets the condition of "novelty" (N). The immediate technical result that can be obtained by implementing the claimed invention lies in the absence of the need for several matrices for each section of the hull of the boat, in the formation of separate sections of the hull using one matrix, and also that 5 walls are formed in this way sections for any deformation of the main matrix perfectly fit to the walls of adjacent sections, which improves the quality of the hull of the boat as a whole. In addition, the operation to extract finished products from the matrix is greatly simplified.
Данный технический результат не является следствием известных ю свойств, проявляемых рядом порознь известных из других объектов техники признаков, таких как матрицы, перегородки, разделительные слои, а является свойством только всех существенных признаков, заявленных в независимом пункте формулы изобретения. This technical result is not a consequence of the known properties that are shown separately apart from the features known from other objects of technology, such as matrices, partitions, separation layers, but is a property of only all the essential features claimed in the independent claim.
Указанное позволяет признать заявленное техническое решение соот- 15 ветствующим условию "изобретательский уровень" (IS). The aforementioned allows one to recognize the claimed technical solution in accordance with the corresponding condition “inventive step” (IS).
Лучший вариант использования изобретения The best use of the invention
Сущность заявленного изобретения поясняется чертежом, на котором 20 изображена технологическая схема реализации способ, а именно: на фиг. 1 представлен разрез по матрице с установленными в ней съёмными перегород- ками, на фиг.2 - разрез по матрице со сформированными секциями корпуса в двух несмежных объёмных полостях матрицы, на фиг. 3 - разрез по матрице со снятыми съёмными перегородками, на фиг.4 - разрез по матрице со сформи- 25 рованными секциями корпуса во всех объёмных полостях матрицы. The essence of the claimed invention is illustrated by the drawing, in which 20 depicts a flow diagram of the implementation of the method, namely: in FIG. 1 shows a section along the matrix with removable partitions installed in it; FIG. 2 shows a section along the matrix with formed sections of the body in two non-adjacent volume cavities of the matrix; FIG. 3 is a section along the matrix with removable removable partitions; FIG. 4 is a section along the matrix with 25 formed sections of the body in all volume cavities of the matrix.
На чертежах позициями обозначены: матрица 1 многоразового использо- вания, транец матрицы 2, носовая часть матрицы 3, съемные перегородки 4, объёмные полости матрицы 5, отформованные секции 6 корпуса, замковые выступы 7 на перегородках 4, слои композиционного материала 8. In the drawings, the positions indicated are: reusable matrix 1, matrix transom 2, nose of matrix 3, removable partitions 4, volume cavities of matrix 5, molded sections 6 of the case, locking protrusions 7 on partitions 4, layers of composite material 8.
зо Способ реализуют следующим образом. The method is implemented as follows.
Изготавливают единственную матрицу 1 многоразового использования, размер и формы которой соответствуют требуемым размерам и форме лодки в сборе. Между транцем 2 матрицы 1 и ее носовой частью 3 устанавливают не- сколько съемных поперечных продольной оси лодки перегородок 4, разделяю-
их общий объём матрицы на несколько объёмных полостей 5, размеры кото- рых соответствуют требуемым размерам секций корпуса. Затем производят формовку композиционным материалом нескольких секций 6 корпуса в не- смежных между собой объёмных полостях 5 матрицы 1 , предварительно по- крыв их поверхности разделительным слоем (на чертежах условно не показан). После этого перегородки 4 снимают и производят формовку композиционным материалом остальных секций 6 корпуса, используя в качестве перегородок бо- ковые стенки уже отформованных секций 6, предварительно покрыв их поверх- ности разделительным слоем. Затем все секции 6 корпуса вынимают из матри- цы 1 и разделяют на отдельные части. При дальнейшей стыковке секций кор- пуса между собой смежные секции идеально прилегают друг к другу, что обес- печивает высокое качество и улучшенные эксплуатационные характеристики корпусу лодки в целом. Замковые выступы 7 на перегородках 4 предотвращают смещение отдельных секций 6 по вертикали, а также предотвращают их осевое смещение. A single reusable matrix 1 is made, the size and shape of which correspond to the required dimensions and shape of the assembled boat. Between the transom 2 of the matrix 1 and its bow 3 establish several removable transverse longitudinal axis of the boat partitions 4, I divide their total matrix volume into several volume cavities 5, the sizes of which correspond to the required dimensions of the sections of the housing. Then a composite material is molded into several sections 6 of the casing in adjacent volume cavities 5 of the matrix 1, having previously covered their surfaces with a separation layer (not shown conditionally in the drawings). After this, the partitions 4 are removed and molded with the composite material of the remaining sections 6 of the casing, using the side walls of the already formed sections 6 as partitions, having previously covered their surface with a separation layer. Then all sections 6 of the housing are removed from the matrix 1 and divided into separate parts. With further docking of the hull sections between themselves, adjacent sections fit perfectly together, which ensures high quality and improved operational characteristics of the hull as a whole. The locking protrusions 7 on the partitions 4 prevent the vertical displacement of the individual sections 6, and also prevent their axial displacement.
В качестве композиционного материала может быть использован стекло- пластик на основе полиэфирных смол. Формовка секций 6 может быть осуще- ствлена с использованием композиционного материала, например стеклопла- стика, включающего несколько слоев связующего и расположенных поочередно между ними несущих слоев, например, из стеклоткани. As a composite material, glass-plastic based on polyester resins can be used. The molding of sections 6 can be carried out using a composite material, for example fiberglass, comprising several layers of a binder and carrier layers arranged alternately between them, for example, of fiberglass.
Промышленная применимость Industrial applicability
Возможность промышленного применения заявленного технического ре- шения подтверждается известными и описанными в заявке средствами и ме- тодами, с помощью которых возможно осуществление изобретения в том виде, как оно охарактеризовано в формуле изобретения. Заявленный способ может быть реализован с использованием известных технологий и технических средств, что обусловливает, по мнению заявителя, его соответствие условию «промышленная применимость».
The possibility of industrial application of the claimed technical solution is confirmed by the means and methods known and described in the application by which the invention can be carried out in the form described in the claims. The claimed method can be implemented using well-known technologies and technical means, which determines, according to the applicant, its compliance with the condition of "industrial applicability".
Claims
1. Способ изготовления секционных корпусов лодок, включающий использо- вание матриц для формовки секций корпуса, отличающийся тем, что изготав- ливают единственную матрицу многоразового использования, размер и формы которой соответствуют требуемым размерам и форме лодки в сборе, затем между транцем матрицы и ее носовой частью устанавливают несколько съем- ных поперечных продольной оси лодки перегородок, разделяющих общий объ- ём матрицы на несколько объёмных полостей, размеры которых соответствуют требуемым размерам секций корпуса, после этого производят формовку ком- позиционным материалом нескольких секций корпуса в несмежных между со- бой объёмных полостях матрицы, предварительно покрыв их поверхности раз- делительным слоем, после чего перегородки снимают и производят формовку композиционным материалом остальных секций корпуса, используя в качестве перегородок боковые стенки уже отформованных секций, предварительно по- крыв их поверхности разделительным слоем, затем все секции корпуса выни- мают из матрицы и разделяют на отдельные части. 1. A method of manufacturing sectional hulls of boats, including the use of dies for forming sections of the hull, characterized in that they produce a single reusable matrix, the size and shape of which correspond to the required size and shape of the boat assembly, then between the transom of the matrix and its bow part set several removable transverse longitudinal axis of the boat partitions, dividing the total volume of the matrix into several volume cavities, the dimensions of which correspond to the required dimensions of the hull sections, To this end, several sections of the body are molded with composite material in the bulk cavities of the matrix that are not adjacent to each other, preliminarily covering their surfaces with a separating layer, after which the partitions are removed and the remaining sections of the body are composite with molding, using side walls as partitions formed sections, having previously covered their surface with a separation layer, then all sections of the body are removed from the matrix and divided into separate parts.
2. Способ по п.1, отличающийся тем, что в качестве композиционного ма- териала используют стеклопластик на основе полиэфирных смол. 2. The method according to claim 1, characterized in that fiberglass based on polyester resins is used as a composite material.
3. Способ по п.1 , отличающийся тем, что формовку секций осуществляют с использованием композиционного материала, например стеклопластика, включающего несколько слоев связующего и расположенных поочередно меж- ду ними несущих слоев, например, из стеклоткани. 3. The method according to claim 1, characterized in that the sections are molded using a composite material, for example fiberglass, comprising several layers of a binder and carrier layers located alternately between them, for example, of fiberglass.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2010111606/11A RU2433058C1 (en) | 2010-03-25 | 2010-03-25 | Method of producing boat sectional hulls |
| RU2010111606 | 2010-03-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2011119064A1 true WO2011119064A1 (en) | 2011-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/RU2010/000326 WO2011119064A1 (en) | 2010-03-25 | 2010-06-15 | Method for manufacturing sectionalized bodies for inflatable motor boats |
Country Status (2)
| Country | Link |
|---|---|
| RU (1) | RU2433058C1 (en) |
| WO (1) | WO2011119064A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104326060A (en) * | 2014-10-23 | 2015-02-04 | 南通市海鸥救生防护用品有限公司 | Special work boat for robot for clearing underwater boat body attachments |
| WO2021084129A1 (en) * | 2019-11-01 | 2021-05-06 | Rosen Swiss Ag | Method for constructing and/or manufacturing a water sports device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2715248C1 (en) * | 2019-09-03 | 2020-02-26 | Общество с ограниченной ответственностью "КБ Русские Амфибии" | Method of composite rigid bottom manufacturing for motor boat with inflatable sides |
| RU2762214C1 (en) * | 2021-03-03 | 2021-12-16 | Общество с ограниченной ответственностью "КБ Русские Амфибии" | Method for manufacturing a rigid bottom for a motor boat with inflatable sides |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1746755A (en) * | 1926-09-13 | 1930-02-11 | Andersen Anders Nicolay | Boat, canoe, and other craft, aeroplane body, and the like and method of manufacturing same |
| GB745298A (en) * | 1953-03-31 | 1956-02-22 | Henry Brittingham Roberts | A plastic ship or boat constructed from prefabricated sections |
| RU2099233C1 (en) * | 1996-06-19 | 1997-12-20 | Владимир Ильич Забровский | Collapsible boat |
-
2010
- 2010-03-25 RU RU2010111606/11A patent/RU2433058C1/en active IP Right Revival
- 2010-06-15 WO PCT/RU2010/000326 patent/WO2011119064A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1746755A (en) * | 1926-09-13 | 1930-02-11 | Andersen Anders Nicolay | Boat, canoe, and other craft, aeroplane body, and the like and method of manufacturing same |
| GB745298A (en) * | 1953-03-31 | 1956-02-22 | Henry Brittingham Roberts | A plastic ship or boat constructed from prefabricated sections |
| RU2099233C1 (en) * | 1996-06-19 | 1997-12-20 | Владимир Ильич Забровский | Collapsible boat |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104326060A (en) * | 2014-10-23 | 2015-02-04 | 南通市海鸥救生防护用品有限公司 | Special work boat for robot for clearing underwater boat body attachments |
| WO2021084129A1 (en) * | 2019-11-01 | 2021-05-06 | Rosen Swiss Ag | Method for constructing and/or manufacturing a water sports device |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2010111606A (en) | 2011-09-27 |
| RU2433058C1 (en) | 2011-11-10 |
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