WO2003086722A1 - Vulcanised punch - Google Patents

Vulcanised punch Download PDF

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Publication number
WO2003086722A1
WO2003086722A1 PCT/ES2002/000186 ES0200186W WO03086722A1 WO 2003086722 A1 WO2003086722 A1 WO 2003086722A1 ES 0200186 W ES0200186 W ES 0200186W WO 03086722 A1 WO03086722 A1 WO 03086722A1
Authority
WO
WIPO (PCT)
Prior art keywords
punch
tile
vulcanized
projections
recesses
Prior art date
Application number
PCT/ES2002/000186
Other languages
Spanish (es)
French (fr)
Inventor
Rafael Fernandez Vicente
Original Assignee
Molcer, S.A.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Molcer, S.A. filed Critical Molcer, S.A.
Priority to PCT/ES2002/000186 priority Critical patent/WO2003086722A1/en
Priority to AU2002255010A priority patent/AU2002255010A1/en
Publication of WO2003086722A1 publication Critical patent/WO2003086722A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
    • B28B3/024—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form the pressure on the material being transmitted through flexible or resilient wall parts, e.g. flexible cushions on the ramming surface, resilient wall parts pressing as a result of deformation caused by ram pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/003—Pressing by means acting upon the material via flexible mould wall parts, e.g. by means of inflatable cores, isostatic presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/0064—Moulds characterised by special surfaces for producing a desired surface of a moulded article, e.g. profiled or polished moulding surfaces

Definitions

  • the present invention relates to a vulcanized punch, of which define slits in the rear face of the ceramic pieces, made both with punches of the hydraulic type, which have a sealed oil bag and non-return valve, as well as conventional ones, as well as from among the gums that define in the tile grooves in the shape of a dovetail.
  • This invention characterizes a special construction of the punch that generates a discontinuous dovetail, in any shape and arrangement, providing the piece with greater mechanical strength, as well as a more uniform compaction, which prevents accidental breaking of the tile.
  • Vulcanizer punch for forming tiles used to obtain cavities in the form of dovetail, which facilitate the grip of the tile , based on a few lugs and a rubber with vertical recesses of the base of the lug, facilitators of this conformation in dovetail
  • U1039226 "Vulcanized punch for the perfecting of tiles”. It is a hydraulic punch that is characterized by the elimination of fluid leaks by creating a sealed polymer bag adhered to the bottom and sides of the punch, and containing inside a thin metal sheet with through holes through the holes. which join the outer layer of polymer and the internal layer. In this way the oil circulates in the circuit created around the metal sheet in the parts not adhered to the polymer.
  • the present invention relates to a vulcanized punch, among those punches provided with gums that define in the tile a multiplicity of slots configured in the form of a dovetail, to facilitate the grip thereof to the vertical face of the construction.
  • This invention is characterized by a special construction of the punch which has shallow projections, which define the minor recesses of the tile and a multiplicity of small pieces, aligned or not in rows and columns, which are enclosed within each of the quadrants. that form the reticulate or posterior cost of the tile that has two upper free edges, generating a diversity of larger boxes, antagonists of these pieces and formed in various discontinuous dovetails alignments, while other geometric figures, including cylindrical or irregular, they convert these rectangular prism boxes with tails in dovetail in others with similar tapers, in any shape and arrangement.
  • Figure 1 shows a plant of the punch, in sectioned elevation thereof and a detail thereof, in the variant of the preferred example of punch of hydraulic type.
  • Figure 2 shows a perspective view of the punch once it has been constructed, it being possible to observe in it the break in the continuity of the projections generating the dovetails, of the preferred example.
  • Figure 3 is a section of the upper non-hydraulic punch.
  • the present invention relates to a vulcanized punch, of which have gums defining a multiplicity of gripping slots of the tile, in two variants of embodiment:
  • This punch incorporates a sealed polymer bag adhered to the bottom and sides of the punch (1), and which contains a thin inside sheet, metal or other material, with through holes (2) through which the outer polymer layer and the internal layer are joined. It also incorporates a series of buttons (3) in its metal base that prevent displacement or deformation of the interposed plate, and finally an internal oil circuit with a check valve (4) of industrial type, which allows to incorporate or extract oil at the user's will.
  • This punch (1) has a surface (5) of variable shape, with projections (6), of variable height, which define the minor recesses of the tile and, on said surface (5), a multiplicity of small geometric pieces (7) prismatic, cylindrical, etc., with or without a small projection (8) in its base, attached to these projections (6), in alignment or not of rows and columns, which make up the tile in various alignments of recesses in the form of dovetail or any other shape discontinuous and in any disposition, regular or not.
  • Example 2 Conventional vulcanized punch (8), without hydraulic system.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Moulds, Cores, Or Mandrels (AREA)

Abstract

The invention relates to a vulcanised punch (1) whereby both punch 1 and punch 9 comprise a surface (5 and 10) which is provided with slightly projecting elements (6 and 11) which define the small mortises of the tile. Moreover, said projecting elements (6 and 11) are provided with numerous small cylindrical, prismatic, etc. geometric parts (7 and 12). Said parts (6 and 11) may or may not comprise a small projection (8 and 13), the base of which is connected to the aforementioned projecting elements (6 and 11). Said projecting elements (6 and 11) may or may not be aligned in rows and columns, thereby forming different dovetail or other mortise alignments on the tile which may be discontinuous and disposed in any regular or irregular manner.

Description

PUNZÓN VULCANIZADO VULCANIZED PUNCH
DESCRIPCIÓNDESCRIPTION
OBJETO DE LA INVENCIÓNOBJECT OF THE INVENTION
La presente invención se refiere a un punzón vulcanizado, de los que definen hendiduras en la cara posterior de las piezas cerámicas, realizadas tanto con punzones del tipo hidráulico, que cuentan con bolsa de aceite estanca y válvula antirretorno, como de los convencionales, así como de entre los dotados de gomas que definen en el azulejo hendiduras en forma de cola de milano .The present invention relates to a vulcanized punch, of which define slits in the rear face of the ceramic pieces, made both with punches of the hydraulic type, which have a sealed oil bag and non-return valve, as well as conventional ones, as well as from among the gums that define in the tile grooves in the shape of a dovetail.
Caracteriza esta invención una especial construcción del punzón que genera una cola de milano discontinua, en cualquier forma y disposición, proporcionando a la pieza una mayor resistencia mecánica, así como una compactación más uniforme, que evita la ruptura accidental del azulejo.This invention characterizes a special construction of the punch that generates a discontinuous dovetail, in any shape and arrangement, providing the piece with greater mechanical strength, as well as a more uniform compaction, which prevents accidental breaking of the tile.
ANTECEDENTES DE LA INVENCIÓNBACKGROUND OF THE INVENTION
Como antecedente de punzones que impriman una cola de milano en los azulejos se cita el modelo U1037139, "Punzón vulcanizador para conformado de azulejos", de la propia solicitante, empleado para obtener cavidades en forma de cola de milano, que facilitan el agarre del azulejo, en base a unos tetones y una goma con rebajes verticiales de la base del tetón, facilitadores de esta conformación en cola de milanoAs antecedent of punches that print a dovetail on the tiles cites the model U1037139, "Vulcanizer punch for forming tiles", of the applicant itself, used to obtain cavities in the form of dovetail, which facilitate the grip of the tile , based on a few lugs and a rubber with vertical recesses of the base of the lug, facilitators of this conformation in dovetail
Pese a las innegables ventajas de este sistema presenta la desventaja de que, al no estar provisto el punzón de un reticulado cuadrangular uniforme, las piezas no se compactan de manera equilibrada, lo que da una cierta fragilidad al azulejo, que en ocasiones y tras la cocción, presenta en la cara delantera un refle- jo de las formas impresas en la trasera.Despite the undeniable advantages of this system, it has the disadvantage that, since the punch of a uniform quadrangular grid, the pieces are not compacted in a balanced way, which gives a certain fragility to the tile, which sometimes and after cooking, presents on the front face a reflection of the forms printed on the back.
Por otro lado, en cuanto a los punzones con sistema hidráulico cabe mencionar el modelo de utilidad, U1039226 "Punzón vulcanizado para el conformado de azulejos perfeccionado". Se trata de un punzón hidráulico que se caracteriza por la eliminación de fugas de fluido mediante la creación de una bolsa estanca de polímero adherida al fondo y lados del punzón, y que contiene en su interior una delgada chapa metálica con orificios pasantes a través de los que se unen la capa externa de polímero y la interna. De este modo el aceite circula por el circuito creado alrededor de la chapa de metal en las partes no adheridas al polímero.On the other hand, regarding the punches with hydraulic system, it is worth mentioning the utility model, U1039226 "Vulcanized punch for the perfecting of tiles". It is a hydraulic punch that is characterized by the elimination of fluid leaks by creating a sealed polymer bag adhered to the bottom and sides of the punch, and containing inside a thin metal sheet with through holes through the holes. which join the outer layer of polymer and the internal layer. In this way the oil circulates in the circuit created around the metal sheet in the parts not adhered to the polymer.
Del propio solicitante son el modelo de utilidadFrom the applicant itself are the utility model
N° U1044749, de: " Punzón superior hidráulico vulcanizado para el conformado de la cara posterior de los azulejos w, con botones antideformaciones y unos taladros en similar distribución, dispuestos en una chapa intermedia entre dos capas de goma, de modo que la chapa metálica no sufre deformaciones ni desplazamientos, por disponerse de una única bolsa de aceite y éste circula por encima y debajo de la chapa de metal.No. U1044749, of: "Vulcanized hydraulic upper punch for forming the back face of the tiles w , with anti-deformation buttons and holes in a similar distribution, arranged in an intermediate sheet between two layers of rubber, so that the metal sheet It does not suffer deformations or displacements, because it has a single bag of oil and it circulates above and below the metal sheet.
También es de este solicitante la patente de invención N° 9901069, de " Punzón hidráulico con depósito de aceite incorporado ", que caracteriza un depósito adicional de aceite, incorporado a la pieza metálica del punzón y en comunicación con el canal principal de aceite, que dispone de una carcasa ligada a un disco receptor de la presión de un vastago roscado, unido a la máquina compactadora y que introduce o extrae el líquido hidráulico del punzón.It is also from this applicant the invention patent No. 9901069, "Hydraulic punch with built-in oil tank", which characterizes an additional oil reservoir, incorporated into the metal part of the punch and in communication with the main oil channel, which It has a housing linked to a disc receiver of the pressure of a threaded rod, attached to the compactor machine and that introduces or extracts the hydraulic fluid from the punch.
DESCRIPCIÓN DE LA INVENCIÓNDESCRIPTION OF THE INVENTION
La presente invención se refiere a un punzón vulcanizado, de entre aquellos punzones dotados de gomas que definen en el azulejo una multiplicidad de hendidu- ras configuradas en forma de cola de milano, para facilitar el agarre de éste al paramento vertical de la construcción.The present invention relates to a vulcanized punch, among those punches provided with gums that define in the tile a multiplicity of slots configured in the form of a dovetail, to facilitate the grip thereof to the vertical face of the construction.
Caracteriza esta invención una especial cons- trucción del punzón que dispone de unos resaltes poco profundos, que define los cajeados menores del azulejo y una multiplicidad de pequeñas piezas, alineadas o no en filas y columnas, que quedan encerradas dentro de cada uno de los cuadrantes que forman el reticulado o costi- lia posterior del azulejo que disponen de dos aristas libres superiores, generadoras de una diversidad de cajeados mayores, antagonistas de estas piezas y conformados en diversas alineaciones de colas de milano discontinuas, en tanto que otras figuras geométricas, incluso cilindricas o irregulares, convierten estos cajeados prismáticos rectangulares con remetidos en cola de milano en otros con similares remetidos, en cualquier forma y disposición.This invention is characterized by a special construction of the punch which has shallow projections, which define the minor recesses of the tile and a multiplicity of small pieces, aligned or not in rows and columns, which are enclosed within each of the quadrants. that form the reticulate or posterior cost of the tile that has two upper free edges, generating a diversity of larger boxes, antagonists of these pieces and formed in various discontinuous dovetails alignments, while other geometric figures, including cylindrical or irregular, they convert these rectangular prism boxes with tails in dovetail in others with similar tapers, in any shape and arrangement.
La función principal de esta disposición discontinua, en filas y columnas, de los cajeados del tipo que sean, es la de favorecer la adherencia del azulejo a la superficie, sin menoscabar su resistencia evitando la esporádica ruptura accidental del azulejo, así como la más habitual formación de relieves o reflejos en la cara vista del mismo, provocadas por los rebajes continuos de las colas de milano del modelo antecedente.The main function of this discontinuous arrangement, in rows and columns, of the recesses of the type that are, is to favor the adherence of the tile to the surface, without impairing its resistance avoiding sporadic accidental breakage of the tile, as well as the most usual formation of reliefs or reflections on the face view thereof, caused by the continuous recesses of the dovetails of the antecedent model.
DESCRIPCIÓN DE LOS DIBUJOSDESCRIPTION OF THE DRAWINGS
Se complementa la presente memoria descriptiva, con un juego de planos, ilustrativos del ejemplo preferente y nunca limitativo de la invención.The present specification is complemented with a set of plans, illustrative of the preferred and never limiting example of the invention.
La Figura 1 muestra una planta del punzón, en alzado seccionado del mismo y un detalle de éste, en la variante del ejemplo preferente de punzón de tipo hidráulico.Figure 1 shows a plant of the punch, in sectioned elevation thereof and a detail thereof, in the variant of the preferred example of punch of hydraulic type.
La Figura 2 muestra una perspectiva del punzón una vez construido, pudiendo observarse en él la ruptura en la continuidad de los resaltes generadores de las colas de milano, del ejemplo preferente.Figure 2 shows a perspective view of the punch once it has been constructed, it being possible to observe in it the break in the continuity of the projections generating the dovetails, of the preferred example.
La Figura 3 es una sección del punzón superior no hidráulico.Figure 3 is a section of the upper non-hydraulic punch.
REALIZACIÓN PREFERENTE DE LA INVENCIÓNPREFERRED EMBODIMENT OF THE INVENTION
A la vista de lo anteriormente enunciado, la presente invención se refiere a un punzón vulcanizado, de los que cuentan con gomas que definen una multiplicidad de hendiduras de agarre del azulejo, en dos variantes de realización:In view of the aforementioned, the present invention relates to a vulcanized punch, of which have gums defining a multiplicity of gripping slots of the tile, in two variants of embodiment:
Ejemplo 1°.- Punzón vulcanizado hidráulicoExample 1 - Hydraulic vulcanized punch
Este punzón, de las figuras 1 a 3, incorpora una bolsa estanca de polímero adherida al fondo y lados del punzón (1) , y que contiene en su interior una delgada chapa, metálica o de otro material, con orificios pasantes (2) a través de los que se unen la capa externa de polímero y la interna. Así mismo incorpora una serie de botones (3) en su base metálica que impiden el desplaza- miento o deformación de la plancha interpuesta, y finalmente un circuito interno de aceite con una válvula antirretorno (4) de tipo industrial, que permite incorporar o extraer aceite a voluntad del usuario.This punch, of figures 1 to 3, incorporates a sealed polymer bag adhered to the bottom and sides of the punch (1), and which contains a thin inside sheet, metal or other material, with through holes (2) through which the outer polymer layer and the internal layer are joined. It also incorporates a series of buttons (3) in its metal base that prevent displacement or deformation of the interposed plate, and finally an internal oil circuit with a check valve (4) of industrial type, which allows to incorporate or extract oil at the user's will.
Este punzón (1) presenta una superficie (5) de forma variable, con resaltes (6) , de altura variable, que definen los cajeados menores del azulejo y, sobre dicha superficie (5) , una multiplicidad de pequeñas piezas (7) geométricas prismáticas, cilindricas, etc., con o sin un pequeño saliente (8) en su base, unidas a estos resaltes (6) , en alineación o no de filas y columnas, que conforman en el azulejo en diversas alineaciones de cajeados en forma de cola de milano u otra forma cualquiera discontinuas y en cualquier disposición, regular o no.This punch (1) has a surface (5) of variable shape, with projections (6), of variable height, which define the minor recesses of the tile and, on said surface (5), a multiplicity of small geometric pieces (7) prismatic, cylindrical, etc., with or without a small projection (8) in its base, attached to these projections (6), in alignment or not of rows and columns, which make up the tile in various alignments of recesses in the form of dovetail or any other shape discontinuous and in any disposition, regular or not.
Ejemplo 2°.- Punzón vulcanizado convencional (8) , sin sistema hidráulico.Example 2 .- Conventional vulcanized punch (8), without hydraulic system.
La superficie de este punzón superior (9) , de la figura 4, presenta una superficie (10) con unos resaltesThe surface of this upper punch (9), of figure 4, has a surface (10) with projections
(11) , de altura variable, que definen los cajeados menores del azulejo y, dispuestos sobre éstos, una multiplicidad de pequeñas piezas (12) geométricas pris- máticas, cilindricas, etc., con o sin un pequeño saliente (13) en su base, unidos a estos resaltes (11) , en alineación o no de filas y columnas, que conforman en el azulejo diversas alineaciones de cajeados en cola de milano u otra forma cualquiera, discontinuas y en cual- quier disposición, regular o no. No altera la esencialidad de esta invención variaciones en materiales, forma, tamaño y disposición de los elementos componentes, descritos de manera no limitativa, bastando ésta para proceder a su reproducción por un experto. (11), of variable height, which define the minor recesses of the tile and, arranged on them, a multiplicity of small prismatic, cylindrical geometric pieces (12), etc., with or without a small projection (13) in its base, attached to these projections (11), in alignment or not of rows and columns, which form in the tile various alignments of recesses in dovetail or any other shape, discontinuous and in any arrangement, regular or not. The essentiality of this invention does not alter variations in materials, form, size and arrangement of the component elements, described in a non-limiting manner, this being sufficient to proceed to its reproduction by an expert.

Claims

REIVINDICACIONES
Ia.- Punzón vulcanizado, de los que cuentan con gomas que definen una multiplicidad de hendiduras en cola de milano, de agarre del azulejo, caracterizado por disponer el punzón (1) y (9) de una superficie (5) y (10) provista de unos resaltes (6) y (11) poco elevados, que definen los cajeados menores del azulejo y, sobre éstos resaltes se disponen, una multiplicidad de peque- ñas piezas (7) y (12) geométricas, las cuales tienen un pequeño saliente (8) y (13) en su base, unidas a estos resaltes (6) y (11) los cuales están dispuestos en alineación, conformando en el azulejo diversas alineaciones de cajeados cualquier forma, discontinuos y en cualquier disposición,I a .- Vulcanized punch, of which have rubbers that define a multiplicity of dovetail grooves, for gripping the tile, characterized by having the punch (1) and (9) with a surface (5) and (10 ) provided with slightly raised projections (6) and (11), which define the minor recesses of the tile and, on these projections, a multiplicity of small geometric pieces (7) and (12) are arranged, which have a small projection (8) and (13) at its base, attached to these projections (6) and (11) which are arranged in alignment, forming various alignments of recesses in the tile any shape, discontinuous and in any arrangement,
2.- Punzón vulcanizado, según la reivindicación 1, caracterizado porque las piezas geométricas (12) y (7) no tienen saliente alguno en su base.2. Vulcanized punch, according to claim 1, characterized in that the geometric pieces (12) and (7) do not have any protrusion at their base.
3.- Punzón vulcanizado, según la reivindicación 1, caracterizado porque los resaltes (6) y (11) no presentan alineación de fila y columna alguna.3. Vulcanized punch, according to claim 1, characterized in that the projections (6) and (11) do not have any row and column alignment.
4.- Punzón vulcanizado, según la reivindicación 1, caracterizado porque los cajeados realizados sobre el azulejo son en forma de cola de milano 4.- Vulcanized punch, according to claim 1, characterized in that the recesses made on the tile are in the form of a dovetail
PCT/ES2002/000186 2002-04-17 2002-04-17 Vulcanised punch WO2003086722A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/ES2002/000186 WO2003086722A1 (en) 2002-04-17 2002-04-17 Vulcanised punch
AU2002255010A AU2002255010A1 (en) 2002-04-17 2002-04-17 Vulcanised punch

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Application Number Priority Date Filing Date Title
PCT/ES2002/000186 WO2003086722A1 (en) 2002-04-17 2002-04-17 Vulcanised punch

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1704975A2 (en) * 2005-03-25 2006-09-27 C.B.M. - S.r.l. Ceramic punch of the stamp type
WO2013032315A1 (en) * 2011-09-02 2013-03-07 Cortes Martinez Leonardo Maximino Press for producing building blocks with a tongue-and-groove assembly
IT201700036509A1 (en) * 2017-04-03 2018-10-03 I Dea Re S R L ISOSTATIC BUFFER FOR TILES

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2155082A1 (en) * 1971-11-05 1973-05-10 Agrob Ag TILE AND METHOD OF MANUFACTURING THE SAME
GB1355521A (en) * 1971-01-15 1974-06-05 British Ceramic Res Ass Die assemblies for pressing ceramic material
EP0400704A2 (en) * 1989-05-30 1990-12-05 MASS S.p.A. Method for forming uniformly compacted ceramic tiles and means for its implementation
ES1037139U (en) * 1997-05-05 1998-01-01 Molcer S A Vulcanizer punch for shaping tile. (Machine-translation by Google Translate, not legally binding)

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1355521A (en) * 1971-01-15 1974-06-05 British Ceramic Res Ass Die assemblies for pressing ceramic material
DE2155082A1 (en) * 1971-11-05 1973-05-10 Agrob Ag TILE AND METHOD OF MANUFACTURING THE SAME
EP0400704A2 (en) * 1989-05-30 1990-12-05 MASS S.p.A. Method for forming uniformly compacted ceramic tiles and means for its implementation
ES1037139U (en) * 1997-05-05 1998-01-01 Molcer S A Vulcanizer punch for shaping tile. (Machine-translation by Google Translate, not legally binding)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1704975A2 (en) * 2005-03-25 2006-09-27 C.B.M. - S.r.l. Ceramic punch of the stamp type
EP1704975A3 (en) * 2005-03-25 2007-07-04 C.B.M. - S.r.l. Ceramic punch of the stamp type
WO2013032315A1 (en) * 2011-09-02 2013-03-07 Cortes Martinez Leonardo Maximino Press for producing building blocks with a tongue-and-groove assembly
IT201700036509A1 (en) * 2017-04-03 2018-10-03 I Dea Re S R L ISOSTATIC BUFFER FOR TILES

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