ES2246173A1 - Reusable formwork for pillars and machine for producing same - Google Patents
Reusable formwork for pillars and machine for producing sameInfo
- Publication number
- ES2246173A1 ES2246173A1 ES200401896A ES200401896A ES2246173A1 ES 2246173 A1 ES2246173 A1 ES 2246173A1 ES 200401896 A ES200401896 A ES 200401896A ES 200401896 A ES200401896 A ES 200401896A ES 2246173 A1 ES2246173 A1 ES 2246173A1
- Authority
- ES
- Spain
- Prior art keywords
- formwork
- columns
- self
- tubular
- reusable
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/02—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
Description
Encofrado reutilizable para columnas y máquina para la elaboración del mismo.Reusable formwork for columns and machine for the elaboration of it.
La presente invención se refiere a un encofrado
reutilizable para columnas, obteniéndose éstas, por ejemplo, a base
de hormigón armado, y en donde el encofrado es del tipo de los que
presentan una forma tubular obtenida a base de una pluralidad de
piezas de poliestireno convenientemente unidas entre sí a través de
sus bordes para determinar el cuerpo tubular correspondiente al
encofrado propiamente
dicho.The present invention relates to a reusable formwork for columns, these being obtained, for example, based on reinforced concrete, and wherein the formwork is of the type that has a tubular shape obtained based on a plurality of polystyrene pieces conveniently joined together through its edges to determine the tubular body corresponding to the formwork itself
saying.
El objeto de la invención es proporcionar un encofrado, en el que las piezas de poliestireno se fijan sobre el desarrollo de una lámina de material apropiado, tal como plástico termo-conformado, acero perfilado, etc, permitiendo una reducción de volumetría tanto en el almacenaje como en el transporte del encofrado, cerrándose éste en obra.The object of the invention is to provide a formwork, in which the polystyrene pieces are fixed on the development of a sheet of appropriate material, such as plastic thermoforming, profiled steel, etc., allowing a reduction in volumetry both in storage and in formwork transport, closing it on site.
Es también objeto de la invención la correspondiente máquina mediante la que se consigue elaborar o fabricar el encofrado.The object of the invention is also the corresponding machine by means of which it is possible to elaborate or manufacture the formwork.
En las patentes de invención españolas del mismo solicitante y correspondientes a los números P 9800419; P 9802487; P 200000010; P 200001776 y P 200002631, se describen encofrados para columnas, del tipo estructuradas a base de piezas de poliestireno fijadas entre sí mediante adhesivo a través de sus bordes de unión o bien lamas rigidas de madera plastificada o plástico rigido que se unen entre sí para conformar, tanto en un caso como en otro, el cuerpo tubular mediante el que se conformará la correspondiente columna por vaciado de hormigón en el propio cuerpo tubular, complementándose éste con una envolvente de unas u otras caracteristicas para mantener el cuerpo tubular durante el hormigonado.In the Spanish invention patents thereof Applicant and corresponding to the numbers P 9800419; P 9802487; P 200000010; P 200001776 and P 200002631, formwork are described for columns, of the structured type based on pieces of polystyrene fixed to each other by adhesive through its joining edges or rigid slats of plasticized wood or rigid plastic that join together to conform, both in a case as in another, the tubular body through which it will conform the corresponding column by emptying concrete in the own tubular body, complementing this with an envelope of about u other features to keep the tubular body during concreting
Más concretamente, en todas esas patentes de invención del mismo solicitante, el encofrado está basado en utilizar piezas en forma de segmento cilíndrico, que debidamente montadas dan lugar a una superficie exterior cilíndrica y una superficie interior prismática, o bien con la conformación apropiada de acuerdo con las características de la columna a obtener, presentando como denominador común en todos los casos el hecho de que el encofrado sale acabado de fábrica, es decir formando un cuerpo tubular que indudablemente ocupa un gran volumen con los consiguientes problemas de almacenaje y de transporte y, por supuesto, con el encarecimiento debido a esa elevada volumetría.More specifically, in all those patents of invention of the same applicant, the formwork is based on use cylindrical segment shaped parts, which properly mounted give rise to a cylindrical outer surface and a prismatic inner surface, or with the conformation appropriate according to the characteristics of column a obtain, presenting as common denominator in all cases the fact that the formwork is finished at the factory, that is forming a tubular body that undoubtedly occupies a large volume with the consequent problems of storage and transport and, of course, with the rise due to that high volumetry
Por otro lado, cabe decir que los encofrados utilizados en las comentadas patentes de invención únicamente se pueden utilizar una vez, ya que hay que romper el encofrado para liberar la columna que se ha obtenido con el mismo.On the other hand, it should be said that the formwork used in the mentioned invention patents only they can use once, since you have to break the formwork to release the column that has been obtained with it.
El encofrado reutilizable que se preconiza, ha sido concebido para resolver la problemática anteriormente expuesta, en base a una solución sencilla pero de gran eficacia, basándose en que las piezas de poliestireno que han de conformar el cuerpo tubular del encofrado, se fijan mediante adhesivo a una lámina interior que puede ser de plástico termo-conformado, acero galvanizado o inoxidable perfilado, etc, la cual presentará las oportunas lineas longitudinales de debilitamiento para formar las aristas o líneas de doblez cuando se intente cerrar el conjunto de esa lámina con las piezas de poliestireno y conseguir el encofrado tubular correspondiente, con la particularidad de que en el caso de obtener un encofrado cilíndrico, entonces no se necesitan las lineas de debilitamiento que determinen las dobleces referidas.The reusable formwork that is recommended, has been conceived to solve the problem before exposed, based on a simple but highly effective solution, based on the polystyrene pieces that are to form the tubular formwork body, fixed by adhesive to a inner sheet that can be plastic thermoforming, galvanized or stainless steel profiling, etc., which will present the appropriate lines Longitudinal weakening to form the edges or lines of fold when trying to close the assembly of that sheet with the polystyrene pieces and get the tubular formwork corresponding, with the particularity that in the case of obtaining a cylindrical formwork, then the lines of weakening determined by the referred folds.
La lámina interior presenta a intervalos regulares, que corresponde a la anchura de las piezas de poliestireno, unos quiebros para ajuste de las conformaciones que determinan las uniones colaterales de las piezas de poliestireno, en cuyos quiebros es donde se materializan las lineas debilitadas para el centrado del encofrado.The inner sheet presents at intervals regular, which corresponds to the width of the pieces of polystyrene, some breaks to adjust the conformations that determine the collateral joints of the polystyrene pieces, in whose failures is where the weakened lines materialize for centering the formwork.
En cualquier caso, la lámina interior sobre la que van fijadas por pegado las piezas de poliestireno, forman un conjunto o cuerpo único plano que puede almacenarse y transportarse con facilidad, ocupando un volumen mucho menor que si el encofrado está cerrado, es decir formando ya el cuerpo tubular, en virtud de verse reducidos considerablemente los espacios muertos.In any case, the inner sheet on the which are fixed by gluing the polystyrene pieces, form a single flat body or assembly that can be stored and transported easily, occupying a much smaller volume than if the formwork it is closed, that is, already forming the tubular body, by virtue of dead spaces be reduced considerably.
Cada encofrado en su desarrollo se cerrará en
obra para transformar el cuerpo plano en un cuerpo tubular,
realizándose el cierre mediante una precinto auto-
adhesivo
formado por un soporte de papel o similar que incorpora unos hilos
de fibra de vidrio para resistir la presión del hormigón fresco
cuando se deposita en el interior del cuerpo tubular del encofrado,
con la especial particularidad de que este precinto auto-
adhesivo se aplica externamente, a través de una capa de cola
autoadhesiva que incorpora, sobre el cuerpo tubular, mediante una
máquina apropiada, quedando el encofrado listo para su uso, para
que una vez utilizado se corte el encofrado por el borde del cierre,
que estará debidamente señalizado, procediéndose a su limpieza, a la
retirada del precinto autoadhesivo y a cerrarse de nuevo mediante
otro precinto autoadhesivo nuevo para la posterior utilización del
encofrado.Each formwork in its development will be closed on site to transform the flat body into a tubular body, the closure being carried out by means of a self-sealing seal.
adhesive formed by a paper or similar support that incorporates fiberglass threads to resist the pressure of the fresh concrete when it is deposited inside the tubular formwork body, with the special feature that this self-sealing seal
Adhesive is applied externally, through a layer of self-adhesive glue that incorporates, on the tubular body, by an appropriate machine, leaving the formwork ready for use, so that once used the formwork is cut by the edge of the closure, which it will be duly marked, proceeding to its cleaning, to the withdrawal of the self-adhesive seal and to be closed again by another new self-adhesive seal for the subsequent use of the formwork.
Por otra parte, cabe destacar el hecho de que en los extremos del propio encofrado, y en correspondencia con las propias aristas de la columna a obtener, se establecen pequeñas piezas de cartón o plástico como medios señalizadores o de alineación que facilitan el correcto posicionamiento del encofrado sobre la cimentación.On the other hand, the fact that in the ends of the formwork itself, and in correspondence with the own edges of the column to be obtained, small are established pieces of cardboard or plastic as signaling means or alignment that facilitate the correct positioning of the formwork on the foundation.
La máquina para la fabricación del encofrado descrito, se constituye a partir de un bastidor de soporte sobre el que va dispuesto un rodillos superior accionado en giro mediante un motor, rodillo que se complementa con una pareja de ruedas laterales y distanciadas de aquel para constituir un apoyo para el cuerpo tubular de poliestireno, de manera que el giro del motor lleva consigo el giro del rodillo y por lo tanto el giro del cuerpo tubular, para permitir la aplicación por enrollamiento del precinto autoadhesivo.The formwork manufacturing machine described, is constituted from a support frame on the which is arranged a top roller driven by a motor, roller that is complemented by a pair of wheels lateral and distanced from that to constitute a support for the tubular polystyrene body, so that the motor rotation carries with it the rotation of the roller and therefore the rotation of the body tubular, to allow application by winding the seal self-adhesive
Opcionalmente, el accionamiento del cuerpo tubular puede efectuarse manualmente, en cuyo caso se eliminaría el motor, y el comentado rodillo seria sustituido por una pareja de ruedas enfrentadas lateralmente a las otras dos ruedas extremas.Optionally, the body drive Tubular can be done manually, in which case the engine, and the commented roller would be replaced by a pair of wheels facing laterally to the other two wheels extreme
Para complementar la descripción que se está realizando y con objeto de ayudar a una mejor comprensión de las caracteristicas del invento, de acuerdo con un ejemplo preferente de realización práctica del mismo, se acompaña como parte integrante de dicha descripción, un juego de dibujos en donde con carácter ilustrativo y no limitativo, se ha representado lo siguiente:To complement the description that is being performing and in order to help a better understanding of the characteristics of the invention, according to a preferred example of practical realization of it, is accompanied as part member of that description, a set of drawings where with illustrative and non-limiting nature, what has been represented next:
La figura 1. - Muestra el desarrollo del cuerpo formado por la lámina interior y las correspondientes piezas de poliestireno en situación de ser fijadas a dicha lámina.Figure 1. - Shows the development of the body formed by the inner sheet and the corresponding pieces of polystyrene in a position to be fixed to said sheet.
La figura 2. - Muestra una vista en sección transversal del cuerpo tubular correspondiente al encofrado obtenido a partir del cierre del cuerpo representado en la figura anterior.Figure 2. - Shows a sectional view cross section of the tubular body corresponding to the formwork obtained from the closure of the body represented in the figure previous.
La figura 3. - Muestra el desarrollo, una vez utilizado y cortado longitudinalmente el cuerpo tubular de la figura anterior, visto por la cara interna del mismo, de manera que cerrándose el cuerpo permite la reutilización del encofrado.Figure 3. - Shows the development, once used and cut longitudinally the tubular body of the previous figure, seen from the inside of it, so that closing the body allows the reuse of the formwork.
La figura 4. - Muestra la pequeña pieza de cartón o plástico utilizada como medio señalizador o de alineación para el correcto posicionamiento del encofrado sobre la cimentación.Figure 4. - Shows the small piece of cardboard or plastic used as signaling or alignment means for the correct positioning of the formwork on the foundation.
La figura 5. - Muestra, finalmente, una vista en perspectiva de la máquina para la elaboración del cuerpo tubular correspondiente.Figure 5. - Shows, finally, a view in perspective of the machine for the elaboration of the tubular body correspondent.
A la vista de las figuras reseñadas puede observarse como el encofrado de la invención se constituye a partir de una lámina interior (1), de desarrollo rectangular, que puede ser de plástico, acero u otro material apropiado, sobre la que se fijan mediante pegado piezas de poliestireno (2) formando un cuerpo plano como se representa en la figura 1, que es el desarrollo del cuerpo del encofrado a obtener mediante el cierre de este cuerpo de dicha figura 1, ya que cerrándose a través de los bordes libres se obtiene el cuerpo tubular (3) constitutivo del encofrado propiamente dicho, que en la forma de realización representada es de superficie externa cilíndrica y superficie interna prismática, sin descartar que pueda ser también cilíndrica por el interior.In view of the figures outlined you can observe how the formwork of the invention is constituted from of an inner sheet (1), of rectangular development, which can be of plastic, steel or other appropriate material, on which fixed by stitching pieces of polystyrene (2) forming a body plane as depicted in figure 1, which is the development of formwork body to be obtained by closing this body of said figure 1, since closing through the free edges is obtains the tubular body (3) constituting the formwork proper, that in the embodiment represented is cylindrical outer surface and prismatic inner surface, without ruling out that it can also be cylindrical by the inside.
En cualquier caso, si ese cuerpo va a ser de configuración prismática por el interior, entonces la lámina interior (1) presentará una serie de lineas de doblez debilitadas (1') para permitir el doblado a través de ellas y conformar el cuerpo tubular (3) de configuración prismática rectangular, como se representa en la figura 2.In any case, if that body is going to be prismatic configuration on the inside, then the blade interior (1) will present a series of weakened bending lines (1 ') to allow bending through them and form the tubular body (3) of rectangular prismatic configuration, as represented in figure 2.
Concretamente, las lineas de debilitamiento (1') corresponden a las aristas de respectivos quiebros (5) previstos en la lámina (1), cuya separación se corresponderá con la anchura de las piezas de poliestireno (2), estando éstas unidas entre sí determinando conformaciones (6) que en el plegado o cierre se adaptaron a la forma de los quiebros (5) de la lámina (1).Specifically, the weakening lines (1 ') correspond to the edges of respective bankruptcies (5) provided in the sheet (1), whose separation will correspond to the width of the polystyrene pieces (2), these being joined together determining conformations (6) that in folding or closing adapted to the shape of the breaks (5) of the sheet (1).
En correspondencia con la línea que determina el cierre del comentado cuerpo tubular, se aplica un elemento señalizador a través del cual se llevará a cabo la posterior apertura del encofrado por seccionado a través de esa linea de unión, permitiendo la utilización del encofrado.In correspondence with the line that determines the closure of the commented tubular body, an element is applied signaling device through which the subsequent will be carried out formwork opening by sectioning through that line of union, allowing the use of formwork.
Cabe destacar el hecho de que el cierre del cuerpo tubular (3), para soportar la presión hacia el exterior del hormigón que ha de alojarse en el cuerpo (3') del mismo para conformar la columna correspondiente, se realiza mediante la aplicación exterior de un precinto autoadhesivo que puede ir arrollado helicoidalmente, con la particularidad de que este precinto podrá estar formado por un soporte de papel o similar con una capa de cola auto-adhesiva en una de sus caras y en cuyo seno pueden ir embebidos hilos de fibra de vidrio, al objeto de soportar la presión del hormigón fresco cuando se introduce en el hueco (3') del cuerpo tubular (3) del encofrado.The fact that the closure of the tubular body (3), to withstand the outward pressure of the concrete to be housed in the body (3 ') thereof to conform the corresponding column, is done by the external application of a self-adhesive seal that can go helically wound, with the particularity that this seal may be formed by a paper support or similar with a layer of self-adhesive glue on one of its faces and in whose bosom fiberglass threads can be embedded, to the object to withstand the pressure of fresh concrete when enter the hollow (3 ') of the tubular body (3) of the formwork
En correspondencia con las aristas de la columna a obtener, se aplican pequeñas piezas de cartón o plástico (4) determinantes de medios de señalización, que facilitan el correcto posicionamiento del encofrado sobre la cimentación (8).In correspondence with the edges of the column to obtain, small pieces of cardboard or plastic are applied (4) determinants of signaling means, which facilitate the correct formwork positioning on the foundation (8).
Después de obtener la columna mediante el encofrado descrito y representado en la figura 2, se procede al seccionado de éste a través de la linea de unión anteriormente referida, debidamente señalizada, desplegándose de nuevo el cuerpo que forman la lámina interior (1) y las piezas de poliestireno (2), de manera que llevándose a efecto una limpieza interna y volviendo a cerrar de nuevo el encofrado, mediante la aplicación de nuevo del precinto autoadhesivo, previa retirada del anterior, se consigue un encofrado para su nueva utilización, es decir, que el encofrado de la invención es reutilizable tantas veces como se desee sin más que ir cerrándole y aplicando el precinto autoadhesivo por la cara externa, abriéndole e ir cerrando de nuevo mediante la aplicación de un nuevo precinto autoadhesivo.After obtaining the column by formwork described and represented in figure 2, proceed to sectioned from it through the junction line above referred, duly marked, the body unfolding again forming the inner sheet (1) and the polystyrene pieces (2), so that an internal cleaning is carried out and returning to close the formwork again, by applying the self-adhesive seal, after removing the previous one, you get a formwork for its new use, that is, the formwork of the invention is reusable as many times as desired without more than go closing and applying the self-adhesive seal on the face external, opening and closing again through the application of a new self-adhesive seal.
En la reutilización del encofrado interviene el uso de una máquina (7) mediante la que se aplica una capa de film estirable que permite la retirada del precinto autoadhesivo en cada reutilización. Con esta misma máquina se aplica también el precinto autoadhesivo para volver a cerrar el encofrado. Para ello, la máquina (7) se constituye a partir de un bastidor o bancada sobre a que va dispuesto un rodillo superior (9), horizontal, entre el cual y una pareja de ruedas extremas (10) y distantes de aquél, apoya el cuerpo tubular (3) del encofrado. La máquina incluye un motor (11) de accionamiento del rodillo (9) para que el giro de éste lleve consigo el giro del cuerpo tubular (3), permitiendo la aplicación por enrollamiento del precinto autoadhesivo.In the reuse of the formwork the use of a machine (7) by which a film layer is applied stretchable that allows the removal of the self-adhesive seal on each reuse With this same machine the seal is also applied self-adhesive to close the formwork again. To do this, the machine (7) is constituted from a frame or bench on a which is arranged a top roller (9), horizontal, between which and a pair of extreme wheels (10) and distant from it, supports the tubular body (3) of the formwork. The machine includes an engine (11) of actuation of the roller (9) so that it turns I get the rotation of the tubular body (3), allowing the application by wrapping the self-adhesive seal.
Claims (6)
desarrollo que forman la lámina interior (1) y piezas de poliestireno (2), se han previsto elementos de señalización a través de los cuales se realiza el seccionado para la apertura del encofrado una vez utilizado, permitiendo su reutilización previa retirada de la lámina adhesiva externa y nuevo cierre del encofrado mediante otro precinto autoadhesivo.2. Reusable formwork for columns, according to claim 1, characterized in that in correspondence with the joint line of the body in
development forming the inner sheet (1) and polystyrene pieces (2), signaling elements are provided through which the sectioning is done to open the formwork once used, allowing its reuse prior to removal of the adhesive sheet external and new formwork closure by means of another self-adhesive seal.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200401896A ES2246173B1 (en) | 2004-07-30 | 2004-07-30 | REUSABLE FORMWORK FOR COLUMNS AND MACHINE FOR THE ELABORATION OF THE SAME. |
| PCT/ES2005/000424 WO2006024677A2 (en) | 2004-07-30 | 2005-07-26 | Reusable formwork for pillars and machine for producing same |
| EP05786044A EP1801316A4 (en) | 2004-07-30 | 2005-07-26 | Reusable formwork for pillars and machine for producing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200401896A ES2246173B1 (en) | 2004-07-30 | 2004-07-30 | REUSABLE FORMWORK FOR COLUMNS AND MACHINE FOR THE ELABORATION OF THE SAME. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2246173A1 true ES2246173A1 (en) | 2006-02-01 |
| ES2246173B1 ES2246173B1 (en) | 2006-10-01 |
Family
ID=35875108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES200401896A Expired - Fee Related ES2246173B1 (en) | 2004-07-30 | 2004-07-30 | REUSABLE FORMWORK FOR COLUMNS AND MACHINE FOR THE ELABORATION OF THE SAME. |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1801316A4 (en) |
| ES (1) | ES2246173B1 (en) |
| WO (1) | WO2006024677A2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200446475Y1 (en) * | 2009-08-04 | 2009-11-04 | 최은수 | Assist mould for round or elliptic concrete colum |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES1011947U (en) * | 1989-11-08 | 1990-06-01 | Guendalina Ruiz Navarro Dolores | Formwork for rectangular pillars. (Machine-translation by Google Translate, not legally binding) |
| WO1993014287A1 (en) * | 1992-01-10 | 1993-07-22 | Di Cosmo, Patrick | Form for casting building elements |
| ES2042363A1 (en) * | 1991-05-29 | 1993-12-01 | Ruiz Navarro Dolores G | Method for manufacturing a formwork for shuttering a pillar. |
| ES2113777A1 (en) * | 1994-03-29 | 1998-05-01 | Ruiz Navarro Dolores G | Improvements to recoverable formwork (shuttering) for the formation of polygonal pillars |
| ES2152799A1 (en) * | 1998-02-26 | 2001-02-01 | Salinas Jose Manuel Valero | Disposable formwork for building reinforced concrete columns |
| ES2170020A1 (en) * | 2000-11-02 | 2002-07-16 | Salinas Jose Manuel Valero | Formwork for cylindrical columns using narrow laminae of plastified wood or rigid plastic |
| ES2189572A1 (en) * | 1999-12-31 | 2003-07-01 | Salinas Jose Manuel Valero | Machine for applying fiberglass reinforcements in disposable column forms |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2684124B1 (en) * | 1991-11-25 | 1994-01-07 | Sonoco Lhomme | CARDBOARD FORMWORK AND MANUFACTURING METHOD THEREOF. |
| FR2696772A1 (en) * | 1992-10-13 | 1994-04-15 | Sonoco Products Co | Formwork and its manufacturing process. |
-
2004
- 2004-07-30 ES ES200401896A patent/ES2246173B1/en not_active Expired - Fee Related
-
2005
- 2005-07-26 WO PCT/ES2005/000424 patent/WO2006024677A2/en active Application Filing
- 2005-07-26 EP EP05786044A patent/EP1801316A4/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES1011947U (en) * | 1989-11-08 | 1990-06-01 | Guendalina Ruiz Navarro Dolores | Formwork for rectangular pillars. (Machine-translation by Google Translate, not legally binding) |
| ES2042363A1 (en) * | 1991-05-29 | 1993-12-01 | Ruiz Navarro Dolores G | Method for manufacturing a formwork for shuttering a pillar. |
| WO1993014287A1 (en) * | 1992-01-10 | 1993-07-22 | Di Cosmo, Patrick | Form for casting building elements |
| ES2113777A1 (en) * | 1994-03-29 | 1998-05-01 | Ruiz Navarro Dolores G | Improvements to recoverable formwork (shuttering) for the formation of polygonal pillars |
| ES2152799A1 (en) * | 1998-02-26 | 2001-02-01 | Salinas Jose Manuel Valero | Disposable formwork for building reinforced concrete columns |
| ES2189572A1 (en) * | 1999-12-31 | 2003-07-01 | Salinas Jose Manuel Valero | Machine for applying fiberglass reinforcements in disposable column forms |
| ES2170020A1 (en) * | 2000-11-02 | 2002-07-16 | Salinas Jose Manuel Valero | Formwork for cylindrical columns using narrow laminae of plastified wood or rigid plastic |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1801316A4 (en) | 2011-05-18 |
| WO2006024677A2 (en) | 2006-03-09 |
| ES2246173B1 (en) | 2006-10-01 |
| WO2006024677A3 (en) | 2006-06-01 |
| EP1801316A2 (en) | 2007-06-27 |
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