WO2005075167A1 - Tuile du type tuile de battellement, procede et amelioration d'equipement pour sa fabrication - Google Patents

Tuile du type tuile de battellement, procede et amelioration d'equipement pour sa fabrication Download PDF

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Publication number
WO2005075167A1
WO2005075167A1 PCT/BR2004/000008 BR2004000008W WO2005075167A1 WO 2005075167 A1 WO2005075167 A1 WO 2005075167A1 BR 2004000008 W BR2004000008 W BR 2004000008W WO 2005075167 A1 WO2005075167 A1 WO 2005075167A1
Authority
WO
WIPO (PCT)
Prior art keywords
roof tile
roof
mixture
order
tegula
Prior art date
Application number
PCT/BR2004/000008
Other languages
English (en)
Inventor
Octavio Naspolini
Original Assignee
Octavio Naspolini
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 Octavio Naspolini filed Critical Octavio Naspolini
Priority to PCT/BR2004/000008 priority Critical patent/WO2005075167A1/fr
Publication of WO2005075167A1 publication Critical patent/WO2005075167A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C1/00—Apparatus or methods for obtaining or processing clay
    • B28C1/003—Plant; Methods
    • B28C1/006—Methods
    • 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
    • B28B15/00—General arrangement or layout of plant ; Industrial outlines or plant installations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C1/00—Apparatus or methods for obtaining or processing clay
    • B28C1/10—Apparatus or methods for obtaining or processing clay for processing clay-containing substances in non-fluid condition ; Plants
    • B28C1/14—Apparatus or methods for obtaining or processing clay for processing clay-containing substances in non-fluid condition ; Plants specially adapted for homogenising, comminuting or conditioning clay in non-fluid condition or for separating undesired admixtures therefrom
    • B28C1/22—Apparatus or methods for obtaining or processing clay for processing clay-containing substances in non-fluid condition ; Plants specially adapted for homogenising, comminuting or conditioning clay in non-fluid condition or for separating undesired admixtures therefrom combined with means for conditioning by heating, humidifying, or vacuum treatment, by cooling, by sub-atmospheric pressure treatment
    • B28C1/227—Apparatus or methods for obtaining or processing clay for processing clay-containing substances in non-fluid condition ; Plants specially adapted for homogenising, comminuting or conditioning clay in non-fluid condition or for separating undesired admixtures therefrom combined with means for conditioning by heating, humidifying, or vacuum treatment, by cooling, by sub-atmospheric pressure treatment by heating, drying
    • 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
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/04—Apparatus or processes for treating or working the shaped or preshaped articles for coating or applying engobing layers
    • B28B11/044—Apparatus or processes for treating or working the shaped or preshaped articles for coating or applying engobing layers with glaze or engobe or enamel or varnish
    • 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
    • B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded

Definitions

  • the present invention refers to technical and functional improvements specially developed in equipment and process for the manufacture of ceramic tegula-type roof tile.
  • roof tiles traditionally made of ceramic material, however, one of those types, known as tegula roof tile, due to its design, is notoriously made of concrete.
  • Scope of the Invention Means to manufacture the tegula type roof tile with ceramic material, by extrusion or pressing and with this, as already said, associating the advantages of the material and the type of roof tile, among which are: a) an excellent thermal effect, thanks to the ceramic material, be it extruded or pressed; b) more weather resistance; c) a better aesthetic appearance, not only due to the ceramic itself, but also because said material allows different types of finishes; d) the ceramic material, due to its somewhat "plastic” consistence, provides a process with a substantially reduced cost, is cleaner and does not harm Nature; e) the tegula roof tile obtained with the present process, due to its lighter weight, allows a decrease in the material and cost of roof structures (frames) in general and f) presents a substantially lower water absorption rate in relation to concrete roof tiles.
  • FIGURE 1 is a perspective view of two tegula-type roof tiles, one made of concrete (tile on the left) and the other, made of ceramic material (tile on the right) - which is the subject matter of the present invention
  • FIGURE 2 are views of the vacuum extruder
  • FIGURE 3 illustrates a perspective view of the mold employed at the outlet of said extruder
  • FIGURE 4 is a perspective view showing the cannon (spiral) of the extruder
  • FIGURE 5 is a view of the extruder's outlet
  • FIGURE 6 through 10 are views of the automatic and manual cutting systems
  • FIGURE 11 is a perspective view of the wagon
  • FIGURE 12 is a perspective view of the enameling equipment
  • FIGURE 13 is a perspective view of another wagon. Detailed description of the invention
  • TEGULA-TYPE ROOF TD E is characterized in that it is molded of ceramic material, employing appropriate ratios of plastic clays, argilites and ivory palm.
  • the PROCESS FOR MANUFACTURE OF TEGULA-TYPE ROOF TELE comprises the following steps: a) selection of the raw material, which corresponds to a combination of plastic clays, argilites and ivory palm, in a proportion of 33% of each; b) the mixture of components is homogenized; c) the homogenized mixture goes through a drying stage in a rotating dryer at an approximate temperature of 800°C to remove the moisture; d) the homogenized and dry mixture is crushed to a fine particulate size in impact and pendular mills, is then sieved, completing the preparation of raw material, which is kept in storage silos.
  • extrusion molding the homogenized mixture is withdrawn from the silos and goes to a humidifying system in order to obtain a uniform moisture content of around 18% water, in order to make a substantially plastic dough;
  • the humidified dough is taken by conveyor belts to a vacuum extruder (figures 2a and 2b), the outlet of which is equipped with an improved mold (figure 3), wherein the roof tile extrusion molding takes place as illustrated on figure 1; also in this stage the plastic mixture or dough is pressed towards the extruder outlet, through a spiral system (figure 4) and the air entrained between the mixture particles is removed by a vacuum pump, in order to turn it into a compact dough; in addition, the compact, extruded dough on moving towards the extruder outlet is submitted to a stress relief (caused by the spirals' pressure), so that said dough can be uniformly extruded in order to provide the final roof tile shape; g) after leaving the extruder (figure 5), the roof tile exits in the shape of
  • the extrusion molding can be replaced by pressing and, in this case, the homogenized mixture is withdrawn from the silos and goes to a humidifying system in order to obtain a uniform mixture content of about 18% water and afterwards, this mixture is taken through conveyor belts to the extruder, wherein the latter will give it the shape of a cylindrical bar through a mold provided at the outlet thereof.
  • This cylindrical bar is cut to pieces (having the volume of one roof tile mass) and taken to a press which, through molds provided thereon, will press these bars to shape a roof tile which is in turn processed in the same manner as previously described.
  • the extrusion mold was improved with a stress relief system (A) positioned inside the intermediate cannon of the tile making machine(M) for the purpose of relieving the stresses caused by the extrusion force applied by the pressing spirals (C).

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)

Abstract

La présente invention se rapporte à une tuile du type tuile de battellement, à un procédé et à une amélioration d'un équipement permettant sa fabrication. Ledit procédé consiste à façonner une tuile du type tuile de battellement à partir d'une matière céramique, en utilisant des quantités appropriées d'argiles plastiques, d'argilites et de palmier à ivoire, de sorte qu'une pâte sensiblement plastique puisse être traitée dans divers équipements, et façonnée dans un extrudeur à vide, le produit pouvant ensuite passer par les étapes finales de finition.
PCT/BR2004/000008 2004-02-09 2004-02-09 Tuile du type tuile de battellement, procede et amelioration d'equipement pour sa fabrication WO2005075167A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/BR2004/000008 WO2005075167A1 (fr) 2004-02-09 2004-02-09 Tuile du type tuile de battellement, procede et amelioration d'equipement pour sa fabrication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/BR2004/000008 WO2005075167A1 (fr) 2004-02-09 2004-02-09 Tuile du type tuile de battellement, procede et amelioration d'equipement pour sa fabrication

Publications (1)

Publication Number Publication Date
WO2005075167A1 true WO2005075167A1 (fr) 2005-08-18

Family

ID=34832000

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/BR2004/000008 WO2005075167A1 (fr) 2004-02-09 2004-02-09 Tuile du type tuile de battellement, procede et amelioration d'equipement pour sa fabrication

Country Status (1)

Country Link
WO (1) WO2005075167A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2988715A1 (fr) * 2012-04-03 2013-10-04 Assistance Et Conseil Ind Materiau de construction et procede de fabrication d'un tel materiau

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2431629A (en) * 1944-02-28 1947-11-25 Pacific Clay Products Method of producing ceramic articles
EP0307508A1 (fr) * 1987-09-22 1989-03-22 Fuchs & Co. Gesellschaft m.b.H. Procédé et dispositif pour la fabrication de tuiles pressées en argile
US5686037A (en) * 1994-11-04 1997-11-11 Express-Ceramica Ltd. Method and raw ceramic mass for manufacturing building elements

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2431629A (en) * 1944-02-28 1947-11-25 Pacific Clay Products Method of producing ceramic articles
EP0307508A1 (fr) * 1987-09-22 1989-03-22 Fuchs & Co. Gesellschaft m.b.H. Procédé et dispositif pour la fabrication de tuiles pressées en argile
US5686037A (en) * 1994-11-04 1997-11-11 Express-Ceramica Ltd. Method and raw ceramic mass for manufacturing building elements

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2988715A1 (fr) * 2012-04-03 2013-10-04 Assistance Et Conseil Ind Materiau de construction et procede de fabrication d'un tel materiau

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