EP1647381A2 - Herstellungsverfahren und -Anlage zur Herstellung von belüfteten Mauersteinen mit kalibrierter Länge - Google Patents

Herstellungsverfahren und -Anlage zur Herstellung von belüfteten Mauersteinen mit kalibrierter Länge Download PDF

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Publication number
EP1647381A2
EP1647381A2 EP05077236A EP05077236A EP1647381A2 EP 1647381 A2 EP1647381 A2 EP 1647381A2 EP 05077236 A EP05077236 A EP 05077236A EP 05077236 A EP05077236 A EP 05077236A EP 1647381 A2 EP1647381 A2 EP 1647381A2
Authority
EP
European Patent Office
Prior art keywords
bricks
rotating
longitudinal axis
rotating tools
tool
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.)
Withdrawn
Application number
EP05077236A
Other languages
English (en)
French (fr)
Other versions
EP1647381A3 (de
Inventor
Marco Antonelli
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Comafsnc Di Baldelli E Antonelli
Original Assignee
Comafsnc Di Baldelli E Antonelli
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 Comafsnc Di Baldelli E Antonelli filed Critical Comafsnc Di Baldelli E Antonelli
Publication of EP1647381A2 publication Critical patent/EP1647381A2/de
Publication of EP1647381A3 publication Critical patent/EP1647381A3/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10—Single-purpose machines or devices
    • B24B7/16—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings
    • B24B7/17—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings for simultaneously grinding opposite and parallel end faces, e.g. double disc grinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
    • B24B7/22—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D13/00—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor
    • B24D13/14—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by the front face
    • B24D13/16—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by the front face comprising pleated flaps or strips
    • 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
    • B28B11/08—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads
    • B28B11/0845—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads for smoothing
    • 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
    • B28B11/12—Apparatus or processes for treating or working the shaped or preshaped articles for removing parts of the articles by cutting
    • 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

Definitions

  • the ventilated, i.e. perforated, brick, is an economical item in the context of overall costs in the construction industry.
  • These bricks are mass produced using a process which includes extrusion of the single bricks from a damp sand/clay mixture, drying the extruded lengths and a final firing which gives the final products the necessary hardness and resistance to compression.
  • the described process does not enable controlling and performing a sufficiently precise uniformity in the lengths of the bricks, with reference to their longitudinal size, i.e. the dimension parallel to the extrusion direction thereof.
  • the bricks are laid in successive layers, with their longitudinal axis vertically-oriented. Each layer is a series of bricks laid side-by-side on a layer of mortar or cement.
  • the building of a wall involves laying a plurality of such strata of bricks, each row separated from the next by a layer of mortar or cement.
  • the difference in sizes has to be compensated for by quite thick layers of mortar, sinking the bricks into the layers by an amount corresponding to the inequality in the brick sizes. This leads to greater consumption of mortar or cement, and consequently to higher costs.
  • the main aim of the present invention is to provide a process for making bricks which bricks have a calibrated longitudinal size, thus obviating the above-described drawbacks in the prior art.
  • the bricks 10 are extruded, starting from a damp known-type mixture, in the direction of the longitudinal axis x thereof, i.e. the axis which defines the load compression direction which the bricks 10 are subjected to when laid.
  • the bricks 10 are constituted by perforated bricks, having a plurality of channels all parallel to the longitudinal axis x. This type of brick is laid in such a way that the longitudinal axis x, and thus the channels crossing the bricks, are vertically oriented.
  • the process next comprises the bricks 10 being dried in order to reduce the humidity present in the mixture they are made of.
  • the subsequent calibrating stage is the stage in which the longitudinal size of the bricks 10 can be calibrated with considerable precision. They are extruded in longer longitudinal sizes than necessary, and are then milled on the laying surfaces, i.e. those perpendicular to the longitudinal axis x. In this way the bricks 10 are given the correct longitudinal size, by mechanically removing a predetermined amount of material from the laying surfaces.
  • the flexible abrasive blades 3 of the rotating tools 2 are arranged in a circular crown, coaxial to the rotation axis of the rotating tools 2 and at one end are constrained to the rotating tool 2, while at another end they are free.
  • the abrasive blades 3 are made of or covered with an abrasive material, and are provided with a degree of flexibility. This means that the dried mixture the bricks 10 are made of can be removed without crumbling uncontrolledly and without clogging up the rotating tools 2.
  • the rotating tools 2 preferably exhibit a rotation axis which is parallel to the longitudinal axis x of the bricks 10 and the flexible abrasive blades 3 of each rotating tool 2 define an operative abrasion plane which is perpendicular to the axis of rotation of the rotating tool 2.
  • the rotation axes of the rotating tools 2 are preferably aligned.
  • the dried bricks 10 are moving on a conveyor plane along a direction which is perpendicular to the respective longitudinal axes x of the bricks.
  • the rotating tools 2, which are frontal millers, in effect, are arranged on opposite sides of the conveyor plane.
  • the bricks 10 pass between the rotating tools 2, with the laying surfaces of the bricks 10 facing the flexible abrasive blades 3.
  • the rotating tools 2 can be located in a fixed position or can be permitted to slide along a parallel direction to the axes of rotation thereof, in order to enable a correct positioning of the tools at the passage of each brick 10.
  • the preferred type of plant for actuating the described process comprises: an extrusion station for bricks 10 along a longitudinal axis x thereof, from a humid mixture; a drying station of the extruded bricks 10, a firing station of the bricks 10; a conveyor plane 11, which takes the bricks 10 from the drying station towards the firing station in a transport direction which is perpendicular to the longitudinal axis x of the bricks 10.
  • the plane further comprises at least two rotating tools 2 which exhibit the flexible abrasive blades 3, which at an end thereof are constrained to a rotating tool 2 and which at another end thereof are free.
  • the flexible abrasive blades 3 of each rotating tool 2 define an operational abrasive plane which is perpendicular to the rotation axis of the rotating tool 2, the rotating axes of the rotating tools 2 being aligned to one another.
  • the two rotating tools 2 are arranged on opposite sides of the conveyor plane.
  • the plant can however be provided with several pairs of rotating tools 2, located in succession along the conveyor plane 11.
  • the proposed process has important advantages. It enables bricks to be made having a longitudinal dimension which is calibrated with considerable precision, and with contained costs, limited to the use of rotating tools having flexible abrasive blades which are quite cheap.
  • the bricks obtained using the process of the invention further enable a considerable reduction of costs for laying and realising construction work.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
EP05077236A 2004-10-15 2005-10-03 Herstellungsverfahren und -Anlage zur Herstellung von belüfteten Mauersteinen mit kalibrierter Länge Withdrawn EP1647381A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMO20040274 ITMO20040274A1 (it) 2004-10-15 2004-10-15 Metodo ed impianto per la realizzazione di laterizi aventi una dimensione longitudinale calibrata.

Publications (2)

Publication Number Publication Date
EP1647381A2 true EP1647381A2 (de) 2006-04-19
EP1647381A3 EP1647381A3 (de) 2007-01-31

Family

ID=35645880

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05077236A Withdrawn EP1647381A3 (de) 2004-10-15 2005-10-03 Herstellungsverfahren und -Anlage zur Herstellung von belüfteten Mauersteinen mit kalibrierter Länge

Country Status (2)

Country Link
EP (1) EP1647381A3 (de)
IT (1) ITMO20040274A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2363239A1 (de) * 2010-03-04 2011-09-07 Mauro Borghi Verfahren und Maschine zum präzisen Schleifen gegenüberliegender Oberflächen von technologisch bedeutsamen Gegenständen
EP3150346A1 (de) * 2015-09-29 2017-04-05 Agostino Santoleri Verfahren und vorrichtung zur herstellung von backsteinen für anwendungen beim bauen sowie backstein und wand daraus

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1316082A (fr) * 1962-02-12 1963-01-25 Service Eng Ltd Polisseuse d'articles en céramique utilisant des grains abrasifs enrobés dans la mousse de polyuréthane
GB1293655A (en) * 1969-02-24 1972-10-18 Wienerberger Baustoffind Ag Process for the production of dimensionally accurate structural ceramic products
DE3843379A1 (de) * 1988-12-23 1990-07-05 Raimund Rimmele Verfahren zur herstellung von genau planparallelen ziegelsteinen
DE19502899A1 (de) * 1995-01-31 1996-08-01 Raimund Rimmele Hochloch-Leichtziegel für den Mauerwerksbau
DE19853550C1 (de) * 1998-11-20 2000-03-09 Ver Schmirgel & Maschf Fächerschleifscheibe
DE10051253A1 (de) * 2000-10-16 2002-04-25 Novoceric Transportanlagen Gmb Vorrichtung zum ein-oder beidseitigen materialabtragenden Bearbeiten von Bausteinen

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1316082A (fr) * 1962-02-12 1963-01-25 Service Eng Ltd Polisseuse d'articles en céramique utilisant des grains abrasifs enrobés dans la mousse de polyuréthane
GB1293655A (en) * 1969-02-24 1972-10-18 Wienerberger Baustoffind Ag Process for the production of dimensionally accurate structural ceramic products
DE3843379A1 (de) * 1988-12-23 1990-07-05 Raimund Rimmele Verfahren zur herstellung von genau planparallelen ziegelsteinen
DE19502899A1 (de) * 1995-01-31 1996-08-01 Raimund Rimmele Hochloch-Leichtziegel für den Mauerwerksbau
DE19853550C1 (de) * 1998-11-20 2000-03-09 Ver Schmirgel & Maschf Fächerschleifscheibe
DE10051253A1 (de) * 2000-10-16 2002-04-25 Novoceric Transportanlagen Gmb Vorrichtung zum ein-oder beidseitigen materialabtragenden Bearbeiten von Bausteinen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2363239A1 (de) * 2010-03-04 2011-09-07 Mauro Borghi Verfahren und Maschine zum präzisen Schleifen gegenüberliegender Oberflächen von technologisch bedeutsamen Gegenständen
EP3150346A1 (de) * 2015-09-29 2017-04-05 Agostino Santoleri Verfahren und vorrichtung zur herstellung von backsteinen für anwendungen beim bauen sowie backstein und wand daraus

Also Published As

Publication number Publication date
EP1647381A3 (de) 2007-01-31
ITMO20040274A1 (it) 2005-01-15

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