ES2393003B1

ES2393003B1 - HEAD EMBUTIDA FOR ANCHORS, PERMANENT OR PROVISIONAL, IN CONSTRUCTION SYSTEMS.

Info

Publication number: ES2393003B1
Application number: ES201130599A
Authority: ES
Inventors: Óscar VENTURA NAVARRO
Original assignee: Formaciones Micropilotes Y Anclajes97 S L; FORMACIONES MICROPILOTES Y ANCLAJES97 SL
Current assignee: Formaciones Micropilotes Y Anclajes97 S L; FORMACIONES MICROPILOTES Y ANCLAJES97 SL
Priority date: 2011-04-15
Filing date: 2011-04-15
Publication date: 2013-10-23
Anticipated expiration: 2031-04-15
Also published as: ES2393003A1

Abstract

Cabeza embutida para anclajes, permanentes o provisionales, en sistemas constructivos, que comprende un tubo guía (2) cilíndrico a cuyo extremo anterior externo se incorpora, un disco externo de reparto (5) conformando un alerón perimetral, que queda situado sobre la superficie de dicho muro (3), y a cuyo extremo posterior interno se incorpora una placa activa (6), unida mediante soldadura (4) o mediante rosca (9), con orificios (7) para los extremos (8) de los cordones o barra del anclaje, quedando incorporados en el interior del tubo guía (2). Incorpora, además, un disco interno de apoyo (10), unido solidariamente a la placa activa (6), en el extremo posterior interno tubo guía (2), y una tapa externa (11) de cobertura que cierra la parte exterior de la cabeza fijada al disco externo de reparto (5) mediante junta elastomérica (12) y, al menos, tres tornillos (13).Embedded head for anchors, permanent or provisional, in construction systems, comprising a cylindrical guide tube (2) at whose external front end is incorporated, an external distribution disk (5) forming a perimeter spoiler, which is located on the surface of said wall (3), and whose internal rear end incorporates an active plate (6), joined by welding (4) or by thread (9), with holes (7) for the ends (8) of the cords or bar of the anchor, being incorporated inside the guide tube (2). It also incorporates an internal support disk (10), jointly and severally connected to the active plate (6), at the internal rear end of the guide tube (2), and an external cover (11) that closes the outer part of the head fixed to the external distribution disk (5) by elastomeric gasket (12) and at least three screws (13).

Description

Cabeza embutida para anclajes, permanentes o provisionales, en sistemas constructivos. Embedded head for anchors, permanent or provisional, in construction systems.

OBJECT OF THE INVENTION

La invención, tal como expresa el enunciado de la presente memoria descriptiva, se refiere a una cabeza embutida para anclajes, permanentes o provisionales, en sistemas constructivos, aportando a la función a que se destina una serie de ventajas e innovadoras características, que se describirán en detalle más adelante y que suponen una destacable novedad dentro de su campo de aplicación. The invention, as expressed in the statement of the present specification, refers to a head embedded for anchors, permanent or provisional, in construction systems, contributing to the function to which a series of advantages and innovative features are intended, which will be described. in detail later and that represent a remarkable novelty within its field of application.

Más en particular, la invención tiene por objeto desarrollar un nuevo tipo de cabeza embutida para los anclajes de muros de contención, muros de pantalla u otros sistemas o elementos constructivos, la cual, estando preferentemente pensada para aquellos anclajes que son de tipo permanente, pero sin que se descarten también los de tipo provisional, está diseñada, como su nombre indica, para quedar embutida y evitar así la molesta y antiestética existencia de los extremos prominentes o sobresalientes de las barras o cordones de cables que constituyen este tipo de anclajes, permitiendo el posterior retesado de los mismos y sin dejar de proporcionar la garantía de resistencia a las cargas de trabajo que dichos elementos requieren. More in particular, the object of the invention is to develop a new type of embedded head for the anchors of retaining walls, screen walls or other systems or construction elements, which, being preferably intended for those anchors that are permanent, but without discarding those of the provisional type, it is designed, as the name implies, to remain embedded and thus avoid the annoying and unsightly existence of the prominent or protruding ends of the bars or cords of cables that constitute this type of anchors, allowing the subsequent delay of the same and without ceasing to provide the guarantee of resistance to the workloads that these elements require.

FIELD OF APPLICATION OF THE INVENTION

El campo de aplicación de la presente invención se enmarca dentro del sector técnico de la construcción, centrándose concretamente en el ámbito de los anclajes para muros cimentaciones y otros elementos constructivos similares de contención. The field of application of the present invention is part of the technical construction sector, focusing specifically on the field of anchors for foundation walls and other similar building elements.

BACKGROUND OF THE INVENTION

Como es sabido, todos los sistemas de anclajes permanentes y sus cabezas presentan la problemática de una prominencia o saliente del paramento que estabilizan, esencialmente para permitir operaciones de retesado en orden a verificar o regular, en cualquier momento tras el tesado, las fuerzas de anclaje, problemática que, en muchos casos, imposibilita la colocación de estos anclajes por la tremenda invasión que este tipo de elemento provoca sobre el entorno. As is known, all permanent anchoring systems and their heads have the problem of a prominence or protrusion of the wall that stabilize, essentially to allow for retensioning operations in order to verify or regulate, at any time after testing, the anchoring forces , problematic that, in many cases, prevents the placement of these anchors due to the tremendous invasion that this type of element causes on the environment.

De hecho, existen muchos muros de pequeña dimensión, situados lindando con zonas públicas (parques, calles, etc.), en los que la colocación de estos elementos se realiza a posteriori de la realización de los mismos, produciendo invasiones del espacio público de entre 15 y 40cm como mínimo, lo cual puede llegar a suponer un grave impedimento para el paso de viandantes además de un potencial peligro para los mismos, causando, además, un evidente deterioro estético. In fact, there are many small-sized walls, located bordering public areas (parks, streets, etc.), in which the placement of these elements is carried out after the realization of them, producing invasions of public space between At least 15 and 40cm, which can lead to a serious impediment to the passage of pedestrians in addition to a potential danger to them, causing, in addition, an obvious aesthetic deterioration.

Pues bien, el objetivo de la presente invención es minimizar el impacto de las citadas cabezas de estos anclajes sobre el entorno, mediante el diseño de un nuevo tipo de cabeza embutida que evite que sobresalgan al muro o paramento, debiendo señalarse que, por parte del solicitante, se desconoce la existencia de ningún otro tipo de cabeza de anclaje o invención de aplicación similar que presente unas características técnicas, estructurales y constitutivas semejantes a las que presenta la que aquí se preconiza, y cuyos detalles caracterizadores se encuentran convenientemente recogidos en las reivindicaciones finales que acompañan a la presente memoria descriptiva de la misma. Well, the objective of the present invention is to minimize the impact of the aforementioned heads of these anchors on the environment, by designing a new type of embedded head that prevents them from protruding from the wall or wall, it should be noted that, by the Applicant, it is unknown the existence of any other type of anchor head or invention of similar application that has technical, structural and constitutive characteristics similar to those presented here, and whose characterizing details are conveniently included in the claims Finals that accompany this report.

EXPLANATION OF THE INVENTION

Así, la cabeza embutida para anclajes, permanentes o provisionales, en sistemas constructivos que la presente invención propone se configura como una destacable novedad dentro de su campo de aplicación, ya que, a tenor de su implementación y de forma taxativa se alcanza satisfactoriamente el objetivo anteriormente señalado, ya que se configura como un efectivo sistema que evita la existencia de cabezas con extremos de barras Thus, the embedded head for anchors, permanent or provisional, in constructive systems that the present invention proposes is configured as a remarkable novelty within its field of application, since, according to its implementation and in a restrictive way the objective is satisfactorily achieved previously indicated, since it is configured as an effective system that prevents the existence of heads with bar ends

o cordones sobresalientes al muro o elemento constructivo en que se incorporan los anclajes, abarcando soluciones para todo tipo de anclajes permanentes o provisionales, tanto de cable o cordón como de barra rígida autoportante o no, causando un impacto externo hacia el entorno no superior a 4 cm. or protruding cords to the wall or construction element in which the anchors are incorporated, comprising solutions for all types of permanent or provisional anchors, both cable or cord or self-supporting rigid bar or not, causing an external impact towards the environment not exceeding 4 cm.

Para ello, la cabeza embutida que la invención propone se configura a partir de un conjunto de piezas que fijan el extremo de los cordones o barra del anclaje a paramento del muro o sistema constructivo en que se incorpora dicho anclaje, comprendiendo esencialmente un tubo guía, preferentemente cilíndrico, que se incorpora embutido en dicho paramento a ras de la superficie del mismo, a cuyo extremo externo se incorpora, unido solidariamente, un disco externo de reparto, dispuesto de forma que queda situado sobre la superficie del paramento, y a cuyo extremo interno, de dicho tubo, se incorpora una placa activa en la que están anclados, en correspondientes orificios previstos a tal efecto, los extremos de los cordones o barra del anclaje, de forma que no sobresalen exteriormente al paramento. For this, the embedded head that the invention proposes is configured from a set of pieces that fix the end of the cords or anchor bar to the wall of the wall or construction system in which said anchor is incorporated, essentially comprising a guide tube, preferably cylindrical, which is embedded embedded in said wall flush with the surface thereof, at whose outer end an external distribution disk is incorporated, joined in solidarity so that it is located on the surface of the wall, and at whose inner end , of said tube, an active plate is incorporated in which the ends of the cords or anchor bar are anchored, in corresponding holes provided for this purpose, so that they do not protrude externally to the wall.

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Esta placa activa, que tiene unas dimensiones perimetrales acordes con las dimensiones internas del tubo para quedar ajustadamente colocado en su interior, se une a dicho tubo o bien de forma fija, mediante soldadura, la cual se llevará a cabo tras las operaciones de tesado del anclaje, o bien mediante roscado, permitiendo así operaciones posteriores de retesado. This active plate, which has perimeter dimensions in accordance with the internal dimensions of the tube to be tightly placed inside, joins said tube or fixedly, by welding, which will be carried out after the testing operations of the anchoring, or by threading, thus allowing subsequent retensioning operations.

En todo caso, se contemplan diferentes técnicas de unión entre las citadas piezas de la cabeza, contemplándose tanto diseños de elementos soldados como elementos roscados, en combinaciones según necesidades y demandas. In any case, different joining techniques are contemplated between the aforementioned head pieces, including both designs of welded elements and threaded elements, in combinations according to needs and demands.

Adicionalmente, la cabeza preconizada contempla la existencia de un disco interno de apoyo, el cual se incorpora en el interior de la misma unida solidariamente a la placa activa, quedando dispuesto externamente al tubo guía en su extremo posterior. Additionally, the recommended head contemplates the existence of an internal support disk, which is incorporated inside it jointly and severally attached to the active plate, being arranged externally to the guide tube at its rear end.

Por último, la cabeza se cierra con una tapa externa de cobertura que cierra la parte exterior de la cabeza una vez realizadas las operaciones de tesado, la cual se fija al disco externo de reparto mediante junta elastomérica y, al menos, tres tornillos de fijación. Finally, the head is closed with an external cover that closes the outside of the head once the testing operations have been carried out, which is fixed to the external distribution disk by means of an elastomeric joint and, at least, three fixing screws .

Así, pues, para la colocación de la cabeza embutida, primeramente se debe realizar una perforación en el muro existente, o colocar un molde perdido pasante, si el muro no se ha hormigonado todavía, compatible con las dimensiones de las piezas de la cabeza. Thus, for the placement of the embedded head, a perforation must first be carried out on the existing wall, or a lost through mold must be placed, if the wall has not yet been concreted, compatible with the dimensions of the head pieces.

Posteriormente se realiza el trabajo de perforación y colocación de la unidad de anclaje y, con posterioridad y una vez fraguado adecuadamente el cemento de la lechada-mortero de relleno, se coloca la cabeza embutida y se procede al tesado de la unidad. Subsequently, the work of drilling and placing the anchoring unit is carried out and, afterwards and once the grout-mortar cement has been properly set, the embedded head is placed and the unit is tested.

Tras el tesado, se realizan los trabajos complementarios de sellado con los materiales que corresponda y, finalmente, se coloca la tapa externa de cierre. After testing, the complementary sealing work is carried out with the corresponding materials and, finally, the external closing cover is placed.

Como se ha señalado anteriormente, la cabeza de la invención presenta, para todo tipo de anclajes, cordón o barra, un impacto o visión hacia el exterior máximo de cuatro centímetros, siempre para valores de tensión, que se detallarán posteriormente. As noted above, the head of the invention has, for all types of anchors, cord or bar, an impact or maximum outward vision of four centimeters, always for tension values, which will be detailed later.

Hay que destacar que las descritas piezas que conforman la cabeza embutida que la invención propone son piezas con valores de resistencia dentro del dominio elástico, es decir, sin deformaciones aparentes, superiores al 150% de la carga nominal de trabajo. It should be noted that the described pieces that make up the embedded head that the invention proposes are pieces with resistance values within the elastic domain, that is, without apparent deformations, exceeding 150% of the nominal workload.

Por su parte, las tensiones con las que se trabaja para la optimización de la cabeza propuesta se corresponden con valores de 600KN -60t-que se corresponden con unidades de anclaje compuesto de entre de 2 a 37 o más unidades de cordón Y1860S7 de 15,2mm, galvanizado o no. On the other hand, the tensions with which one works for the optimization of the proposed head correspond to values of 600KN -60t-which correspond to units of anchorage composed of between 2 to 37 or more units of cord Y1860S7 of 15, 2mm, galvanized or not.

Se constata, por consiguiente, que la descrita cabeza embutida para anclajes, permanentes o provisionales, en sistemas constructivos representa, una estructura innovadora de características estructurales y constitutivas desconocidas hasta ahora para el fin a que se destina, razones que unidas a su utilidad práctica, la dotan de fundamento suficiente para obtener el privilegio de exclusividad que se solicita. It is therefore found that the described embedded head for anchors, permanent or provisional, in construction systems represents, an innovative structure of structural and constitutive characteristics unknown until now for the purpose to which it is intended, reasons that together with its practical utility, they provide it with sufficient grounds to obtain the privilege of exclusivity that is requested.

DESCRIPTION OF THE DRAWINGS

Para complementar la descripción que se está realizando y con objeto de ayudar a una mejor comprensión de las características de la invención, se acompaña a la presente memoria descriptiva, como parte integrante de la misma, de un juego de planos, en los que con carácter ilustrativo y no limitativo se ha representado lo siguiente: To complement the description that is being made and in order to help a better understanding of the characteristics of the invention, this descriptive report is attached, as an integral part thereof, of a set of drawings, in which with character Illustrative and not limiting, the following has been represented:

La figura número 1.-Muestra una vista en sección, según un corte longitudinal, es decir por su eje axial, de la cabeza embutida para anclajes, permanentes o provisionales, en sistemas constructivos objeto de la invención, en un ejemplo de realización de la misma con la placa activa soldada al tubo guía. Figure number 1.- Shows a sectional view, according to a longitudinal section, that is to say by its axial axis, of the embedded head for anchors, permanent or provisional, in construction systems object of the invention, in an example of embodiment of the same with the active plate welded to the guide tube.

La figura número 2.-Muestra una vista en sección, similar a la anterior de la cabeza embutida para anclajes según la invención, en otro ejemplo de realización de la misma con la placa activa soldada al tubo guía y con disco interno de apoyo. Figure number 2. - It shows a sectional view, similar to the previous one of the embedded head for anchors according to the invention, in another embodiment of the same with the active plate welded to the guide tube and with internal support disk.

La figura número 3.-Muestra una vista en sección, similar a las anteriores de la cabeza embutida para anclajes según la invención, en un tercer ejemplo de realización de la misma, en este caso con la placa activa unida al tubo guía mediante rosca. Figure number 3. - It shows a sectional view, similar to the previous ones of the embedded head for anchors according to the invention, in a third embodiment of the same, in this case with the active plate attached to the guide tube by means of thread.

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PREFERRED EMBODIMENT OF THE INVENTION

A la vista de las mencionadas figuras, y de acuerdo con la numeración adoptada, se puede apreciar en ellas el objeto de la invención, el cual comprende las partes y elementos que se indican y describen en detalle a continuación. In view of the aforementioned figures, and according to the numbering adopted, the object of the invention can be appreciated therein, which comprises the parts and elements indicated and described in detail below.

Así, tal como se observa en dichas figuras, la cabeza (1) en cuestión comprende un tubo guía (2) cilíndrico, que se incorpora embutido en el muro (3) o paramento, a cuyo extremo anterior externo se incorpora, unido mediante soldadura (4), un disco externo de reparto (5) que conformando un alerón perimetral queda situado sobre la superficie del muro (3), y a cuyo extremo posterior interno, de dicho tubo guía (2), se incorpora una placa activa (6) con orificios (7) aptos para acoger los extremos (8) de los cordones o barra del anclaje, quedando dichos extremos (8) incorporados en el interior del tubo guía (2). Thus, as observed in said figures, the head (1) in question comprises a cylindrical guide tube (2), which is embedded embedded in the wall (3) or wall, at whose external front end it is incorporated, joined by welding (4), an external distribution disk (5) that forms a perimeter spoiler is located on the surface of the wall (3), and whose inner rear end of said guide tube (2), an active plate (6) is incorporated with holes (7) suitable for receiving the ends (8) of the cords or anchor bar, said ends (8) being incorporated inside the guide tube (2).

La placa activa (6) se une por su borde perimetral a la pared interna del tubo guía (2) mediante soldadura (4), tal como muestran las figuras 1 y 2, o bien mediante rosca (9), como muestra el ejemplo representado en la figura 3, según las necesidades de cada caso. The active plate (6) is joined by its perimeter edge to the inner wall of the guide tube (2) by welding (4), as shown in Figures 1 and 2, or by thread (9), as shown in the example shown in figure 3, according to the needs of each case.

Adicionalmente, la cabeza (1) puede incorporar un disco interno de apoyo (10), el cual se incorpora unido solidariamente a la placa activa (6), quedando dispuesto externamente al tubo guía (2) en su extremo posterior interno. Additionally, the head (1) can incorporate an internal support disk (10), which is incorporated in solidarity with the active plate (6), being arranged externally to the guide tube (2) at its internal rear end.

Por último, la cabeza (1) se cierra con una tapa externa (11) de cobertura que cierra la parte exterior de la cabeza fijándose al disco externo de reparto (5) mediante junta elastomérica (12) y, al menos, tres tornillos (13) de fijación. Finally, the head (1) is closed with an outer cover (11) that closes the outside of the head by attaching to the external distribution disk (5) by means of an elastomeric gasket (12) and at least three screws ( 13) fixing.

Descrita suficientemente la naturaleza de la presente invención, así como la manera de ponerla en práctica, no se considera necesario hacer más extensa su explicación para que cualquier experto en la materia comprenda su alcance y las ventajas que de ella se derivan. Describing sufficiently the nature of the present invention, as well as the way of putting it into practice, it is not considered necessary to extend its explanation so that any person skilled in the art understands its scope and the advantages that derive from it.

Por otra parte, se hace constar que, dentro de su esencialidad, la invención preconizada podrá ser llevada a la práctica en otras formas de realización que difieran en detalle de la indicada a título de ejemplo, y a las cuales alcanzará igualmente la protección que se recaba siempre que no se altere, cambie o modifique su principio fundamental. On the other hand, it is noted that, within its essentiality, the recommended invention may be carried out in other embodiments that differ in detail from that indicated by way of example, and which will also achieve the protection sought provided that it is not altered, change or modify its fundamental principle.

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Claims

1.-EMBUTIDA HEAD FOR ANCHORS, PERMANENT OR PROVISIONAL, IN CONSTRUCTION SYSTEMS, applicable for all types of permanent or provisional anchors, both cable or cord and rigid bar, self-supporting or not, determining an external element protruding from the wall (3) or wall in which it is installed not exceeding 4 cm, characterized in that it comprises a cylindrical guide tube (2), which is embedded embedded in the wall (3), at whose external front end it is incorporated, joined by welding (4), a external distribution disk (5) which, forming a perimeter spoiler, is located on the surface of said wall (3), and whose internal rear end incorporates an active plate (6) with holes (7) suitable for receiving the ends ( 8) of the cords or anchor bar, said ends (8) being incorporated inside the guide tube (2).

2.-EMBUTIDA HEAD FOR ANCHORS, PERMANENT OR PROVISIONAL, IN CONSTRUCTION SYSTEMS, according to claim 1, characterized in that the active plate (6) is joined by its perimeter edge to the inner wall of the guide tube (2) by welding (4) .

3.-EMBUTIDA HEAD FOR ANCHORS, PERMANENT OR PROVISIONAL, IN CONSTRUCTION SYSTEMS, according to claim 1, characterized in that the active plate (6) is joined by its perimeter edge to the inner wall of the guide tube (2) by thread (9) .

4.-EMBUTIDA HEAD FOR ANCHORAGES, PERMANENT OR PROVISIONAL, IN CONSTRUCTION SYSTEMS, according to claims 1 and 2 or 3, characterized in that it incorporates an internal support disk (10), which is incorporated jointly and severally to the active plate (6) , being arranged externally to the guide tube (2) at its inner rear end.

5.-EMBUTIDA HEAD FOR ANCHORAGES, PERMANENT OR PROVISIONAL, IN CONSTRUCTION SYSTEMS, according to claims 1, 2 or 3 and 4, characterized in that it has an external cover (11) of cover that closes the outer part of the head fixed to the disk external distribution (5) by elastomeric joint (12) and at least three screws (13).

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SPANISH OFFICE OF THE PATENTS AND BRAND

Application no .: 201130599

SPAIN

Date of submission of the application: 04.04.2011

Priority Date:

REPORT ON THE STATE OF THE TECHNIQUE

51 Int. Cl.: E04C5 / 12 (2006.01) E04C5 / 08 (2006.01)

RELEVANT DOCUMENTS

Categoría Category: 56 Documentos citados Reivindicaciones afectadas 56 Documents cited Claims Affected

X X: FR 2346517 A2 (STUP PROCEDES FREYSSINET) 28.10.1977, 1-4 FR 2346517 A2 (STUP PROCEDES FREYSSINET) 28.10.1977, 1-4

página 3, línea 37 – página 4, línea 8; figura 1. page 3, line 37 - page 4, line 8; Figure 1.

A TO: US 3498013 A (KERN GEORG) 03.03.1970, 1-3 US 3498013 A (KERN GEORG) 03.03.1970, 1-3

columna 2, líneas 33-67; figuras 1,3. column 2, lines 33-67; figures 1.3.

A TO: US 2005034392 A1 (NUETZEL OSWALD et al.) 17.02.2005, 1,4,5 US 2005034392 A1 (NUETZEL OSWALD et al.) 02.17.2005, 1,4,5

párrafos [0027,0037,0038]; figura 1. paragraphs [0027,0037,0038]; Figure 1.

A TO: FR 2492870 A1 (PRECONTRAINTE STRUCTURES STE F) 30.04.1982, 1,5 FR 2492870 A1 (PRECONTRAINTE STRUCTURES STE F) 30.04.1982, 1.5

página 6, línea 11 – página 7, línea 35; figuras 1-3. page 6, line 11 - page 7, line 35; Figures 1-3.

A TO: ES 2282046 A1 (NAVARRO LOPEZ JOSE VICENTE) 01.10.2007, 1,5 EN 2282046 A1 (NAVARRO LOPEZ JOSE VICENTE) 01.10.2007, 1.5

columna 2, líneas 34-68; figuras. column 2, lines 34-68; figures.

Categoría de los documentos citados X: de particular relevancia Y: de particular relevancia combinado con otro/s de la misma categoría A: refleja el estado de la técnica O: referido a divulgación no escrita P: publicado entre la fecha de prioridad y la de presentación de la solicitud E: documento anterior, pero publicado después de la fecha de presentación de la solicitud Category of the documents cited X: of particular relevance Y: of particular relevance combined with other / s of the same category A: reflects the state of the art O: refers to unwritten disclosure P: published between the priority date and the date of priority submission of the application E: previous document, but published after the date of submission of the application

El presente informe ha sido realizado • para todas las reivindicaciones • para las reivindicaciones nº: This report has been prepared • for all claims • for claims no:

Fecha de realización del informe 29.11.2012 Date of realization of the report 29.11.2012: Examinador S. Fernández de Miguel Página 1/4 Examiner S. Fernández de Miguel Page 1/4

REPORT OF THE STATE OF THE TECHNIQUE

Application number: 201130599

Minimum documentation searched (classification system followed by classification symbols) E04C, E04G, E01D, E02D Electronic databases consulted during the search (database name and, if possible, terms of

search used) INVENES, EPODOC

State of the Art Report Page 2/4

WRITTEN OPINION

Application number: 201130599

Date of Written Opinion: 29.11.2012

Statement

Novedad (Art. 6.1 LP 11/1986) Novelty (Art. 6.1 LP 11/1986): Reivindicaciones Reivindicaciones 1-5 SI NO Claims Claims 1-5 IF NOT

Actividad inventiva (Art. 8.1 LP11/1986) Inventive activity (Art. 8.1 LP11 / 1986): Reivindicaciones Reivindicaciones 5 1-4 SI NO Claims Claims 5 1-4 IF NOT

The application is considered to comply with the industrial application requirement. This requirement was evaluated during the formal and technical examination phase of the application (Article 31.2 Law 11/1986).

Opinion Base.-

This opinion has been made on the basis of the patent application as published.

State of the Art Report Page 3/4

WRITTEN OPINION

Application number: 201130599

1. Documents considered.-

The documents belonging to the state of the art taken into consideration for the realization of this opinion are listed below.

Documento Document: Número Publicación o Identificación Fecha Publicación Publication or Identification Number publication date

D01 D01: FR 2346517 A2 (STUP PROCEDES FREYSSINET) 28.10.1977 FR 2346517 A2 (STUP PROCEDES FREYSSINET) 10/28/1977

D02 D02: US 3498013 A (KERN GEORG) 03.03.1970 US 3498013 A (KERN GEORG) 03.03.1970

D03 D03: US 2005034392 A1 (NUETZEL OSWALD et al.) 17.02.2005 US 2005034392 A1 (NUETZEL OSWALD et al.) 02.17.2005

D04 D04: FR 2492870 A1 (PRECONTRAINTE STRUCTURES STE F) 30.04.1982 FR 2492870 A1 (PRECONTRAINTE STRUCTURES STE F) 04/30/1982

D05 D05: ES 2282046 A1 (NAVARRO LOPEZ JOSE VICENTE) 01.10.2007 ES 2282046 A1 (NAVARRO LOPEZ JOSE VICENTE) 01.10.2007

2. Statement motivated according to articles 29.6 and 29.7 of the Regulations for the execution of Law 11/1986, of March 20, on Patents on novelty and inventive activity; quotes and explanations in support of this statement

The present invention relates to an embedded head for anchors, permanent or provisional, in construction systems.

Document D01 is considered the closest state of the art in relation to claim 1 of the application.

Document D01 discloses an embedded head for anchors in construction systems, applicable to cords, cables or bars, comprising a cylindrical guide tube (8) which is embedded embedded in a wall or structure (11). Said guide tube incorporates at the outer front end an external distribution disk (10) which, forming a perimeter spoiler, is located on the surface of said wall or structure. In turn, a plate (6) with holes suitable for receiving the ends of the cords or anchor rods (1) is incorporated in the inner rear end of said guide tube, said ends being incorporated inside the guide tube (see page 4, lines 5-8).

The difference with the technical matter described in claim 1 is that in document D01 the joint between the guide tube and the external distribution disk is threaded while in the application document said joint is made by welding. However, the use of welding as a means of joining is one of several obvious possibilities that one skilled in the art would select according to the circumstances without exercising inventive activity.

Claims 2 and 3 refer to the joint between the plate and the guide tube.

In relation to claim 3, document D01 anticipates the technical characteristics described therein since the plate shown by this document is joined by its perimeter edge to the internal wall of the guide tube by means of thread.

Claim 2 is considered an obvious alternative to the joint described in claim 3 since it only differs in the use of welding as a means of joining. It is a mere constructive variant from which no unexpected technical effect is deduced.

In relation to claim 4, document D01 shows an internal support cylinder (5) attached to the plate and which is arranged externally to the guide tube at its internal rear end (see figure 1).

Therefore, in view of document D01, it is considered that the invention defined in claims 1-4 derives from the state of the art in an obvious way for a person skilled in the art and does not imply inventive activity (Law 11/1986, Art 8.1).

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