EP1000722A2 - Verfahren un Vorrichtung zur Herstellung von Dachdeckmaterialien mit Kantenbeschädigungen - Google Patents

Verfahren un Vorrichtung zur Herstellung von Dachdeckmaterialien mit Kantenbeschädigungen Download PDF

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Publication number
EP1000722A2
EP1000722A2 EP99870230A EP99870230A EP1000722A2 EP 1000722 A2 EP1000722 A2 EP 1000722A2 EP 99870230 A EP99870230 A EP 99870230A EP 99870230 A EP99870230 A EP 99870230A EP 1000722 A2 EP1000722 A2 EP 1000722A2
Authority
EP
European Patent Office
Prior art keywords
plane
disc
supports
series
mother plate
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Withdrawn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
EP99870230A
Other languages
English (en)
French (fr)
Other versions
EP1000722A3 (de
Inventor
Claude Aymerich
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.)
Redco NV SA
Original Assignee
Redco NV SA
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 Redco NV SA filed Critical Redco NV SA
Publication of EP1000722A2 publication Critical patent/EP1000722A2/de
Publication of EP1000722A3 publication Critical patent/EP1000722A3/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/32—Methods and apparatus specially adapted for working materials which can easily be split, e.g. mica, slate, schist
    • B28D1/327—Methods and apparatus specially adapted for working materials which can easily be split, e.g. mica, slate, schist for cutting or shearing easily splittable working materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
    • B28D7/04—Accessories specially adapted for use with machines or devices of the preceding groups for supporting or holding work or conveying or discharging work

Definitions

  • the invention relates to a process for obtaining thin materials, particularly small elements or plates, for example shaped slates for covering or coating buildings, and more particularly such a process for obtaining materials, thin to spoiled edges. It also relates to a device and an installation allowing the implementation of said method.
  • thin materials manufactured materials obtained from a hardened cement or concrete mother plate optionally reinforced with fibers, said materials having a thickness (E) ⁇ 10 mm.
  • a fiber cement motherboard is typically obtained by a manufacturing process of the draining type of a suspension aqueous cement, fiber and other additives, for example using of a Hatchek machine.
  • the mother plate has a beautiful face and a back side which has inherent roughness and / or discoloration to the manufacturing process.
  • the invention aims to provide these thin materials, when cutting the mother plate, of sparse edges, of which the spurts are distributed, of randomly, to give them a less straight aesthetic and closer to that of natural shale material.
  • the mother plate is cut into smaller slate-like elements by subjecting it to punctual penetrations along the cutting line.
  • Said method which allows for less regular edges but still having a repetitive appearance, gives a poorly controlled sinking.
  • the plaintiff therefore endeavored to improve this system and to put developed an improved cutting-sinking process, for obtaining thin materials (E ⁇ 10 mm) with sparse edges, whose sprains are distribute randomly, said materials being obtained from a hardened cement or concrete mother plate possibly reinforced with fibers.
  • the plate mother hardened in cement or concrete, possibly reinforced with fibers is laid flat on a series of two supports, so that the beautiful face of the mother plate is in contact with the two supports, the rear side being exposed opposite the two supports.
  • the beautiful face of the mother plate thus defines a foreground.
  • a rotating disc is arranged in a second plane perpendicular to the said foreground and located between the two supports.
  • the foreground is located between the axis of rotation of the disc and the series of two supports.
  • the disc is a hard disk, for example of hardened steel.
  • the disc has an edge peripheral device not sharp. The peripheral edge of the disc is spaced from the first and second support by a distance between 2 and 20 mm (distance measured in the plane of the beautiful face of the plate mother (foreground) and perpendicular to the disc (perpendicular to the background)).
  • the relative movement between the disc and the mother plate has a direction along the line of intersection between the foreground and background.
  • the axis of rotation of the disc is kept at such a distance from the foreground that the disc, which is in free rotation, practice a cut in the mother plate, which extends along the line of intersection between the first and the second plan.
  • said distance between the peripheral edge of the disc and the first support, respectively the second support is between 3 and 8 mm.
  • the two supports are advantageously supports with surfaces flat support extending along the line of intersection of said first and second shots.
  • the two supports can be two rails extending along the line of intersection, the two rails having a flat support surface located in the foreground.
  • Relative movement between disc and motherboard can be performed either by moving the mother plate in the direction along the line of intersection, while the disc remains stationary, either by moving the disc in said given direction, while the mother plate remains stationary, or by moving both the mother plate and the disc relative to each other.
  • n > 1 parallel flawed cuts in the mother plate by means of n series of two supports and n discs, a disc being placed between the two supports of each series, as described above.
  • the second support of a series of two supports can be integral with the first support of a series of two adjacent supports.
  • the method according to the invention has two successive stages.
  • a first step we make a first spoiled cut or again a first series of n parallel flipped cuts of as described above. We thus obtain elements having a or two spoiled edges.
  • This embodiment allows, for example, in the case where the flaked cuts of the second stage are perpendicular to the fluffy cuts of the first step, to obtain thin materials rectangular.
  • the method according to the invention can also include a step of cleaning of thin materials thus obtained, optionally followed a step of applying a decorative and / or protective coating.
  • the invention also relates to a sinking cutting device.
  • the device according to the invention comprises a series of two supports. Said supports have a bearing surface defining a first plan.
  • a rotating disc is arranged in a second plane perpendicular to the foreground, the second plane being arranged between the two supports of the series, the axis of rotation of the disc being perpendicular to the second plane.
  • the foreground is located between the axis of rotation of the disc and the series of two supports.
  • the disc has a straight non-sharp peripheral edge which is spaced from the first and second support by a distance included between 2 and 20 mm, preferably between 3 and 8 mm (distance measured in the plane defined by the bearing surface of the two supports (foreground) and perpendicular to the disc (perpendicular to the background)).
  • the device also includes displacement means for cause relative movement between the disc and the series of two supports, the relative movement being directed along the line of intersection between the foreground and the background.
  • the relative movement between the disc and the series of two supports can be done by moving either the series of two supports in the direction along the line of intersection while the disc remains stationary, either by moving the disc in said direction while the series of two supports remains stationary or by moving to the both the disc and the series of two supports relative to each other.
  • the device is also provided with an adjustment system.
  • the system adjuster keeps the axis of rotation of the disc at a distance predetermined foreground (distance measured perpendicularly in the foreground).
  • the two supports are advantageously supports with surfaces flat supports.
  • the device comprises n (> 1) series of two supports and n freely rotating discs.
  • 2xn supports are parallel and have a bearing surface defining a first plan.
  • the 2xn supports are generally separate supports. It is also possible that the second support in a series of two supports either secured to the first support of an adjacent series of supports.
  • a disc is arranged in a plane perpendicular to the foreground and located between the first and the second support of each series of two supports.
  • Each disc thus being associated with a series of two supports, indicated below by "corresponding series”.
  • the edge of each disc is spaced from the first and second support in the series corresponding to a distance between 2 and 20 mm, preferably, between 3 and 8 mm (distance measured in the plane of the beautiful face of the mother plate (foreground) and perpendicular to the disc (perpendicular to the background)).
  • the displacement means cause a simultaneous relative movement between each disc and the series of two corresponding supports.
  • the direction of said relative movement corresponds to the direction of the lines of intersection (parallel) between the foreground and the plane in which the disc is placed.
  • the adjustment system maintains the axis of rotation of each disc at a predetermined distance from the foreground (distance measured perpendicular to the foreground).
  • the invention also relates to a sinking cutting installation provided with such a cutting-sinking device.
  • Said installation comprises, upstream of said device, a loading of mother plates.
  • the installation can also be provided, downstream of the cutting-sinking device, a cleaning station, including, for example, a scraping and / or brushing.
  • the installation includes two cutting-sinking devices successive.
  • the installation can also be equipped, downstream of the (last) substation cleaning, finishing and / or packaging station for materials thin thus obtained.
  • the first cutting-sinking device provides a first fluffy cutout or a first series of n fluffy cutouts parallel.
  • the second cutting-sinking device provides a second cutaway or series of m parallel cutouts, the cutaway (s) made by the second device not being not parallel to the shallow cut (s) made by the first device.
  • the spalled cut (s) used by the second device are perpendicular to the cutout (s) depaufrées practiced by the first device.
  • An intermediate cleaning station can be provided between the first and the second cutting-sinking device.
  • the series of two supports are mounted on a cutting table 2.
  • the beautiful face 7 of the mother plate 1 is directed downwards and in contact with the bearing surfaces of the two supports 5, 5 ', the rear face of the plate facing up.
  • the plane I - I ' is the horizontal plane defined by the beautiful face of the plate mother.
  • a disc 6 is arranged in a plane II - II 'perpendicular to the plane I - I' defined by the mother plate, the plane II - II 'being located between the two supports 5, 5 ', more particularly in the plane of symmetry between the two supports 5.5 '.
  • Disc 6 is a hardened steel disc with a straight edge.
  • straight edge disc a disc whose peripheral edge is devoid of sawtooth or other organs capable of cutting, perforating, splitting, chisel, etc.
  • the peripheral edge of the disc 6 is a thin cylinder having a thickness of 2 mm. Near the axis, the disc is thicker (8 mm in the example illustrated) to ensure greater solidity of the part. The peripheral edge is not sharp to favor the chips of material of plate 1 during cutting.
  • the disc 6 is a rotary disc whose axis (not shown) is perpendicular to the plane II - II '.
  • the first plane I - I ' is located between the axis of disc rotation is the two supports 5.5 '.
  • the peripheral edge of the disc 6 is spaced from the first support 5 by a distance d1 and the second support 5 'by a distance d2.
  • the distances d1 and d2 are equal to each other and between 2 and 20 mm, from preferably between 3 and 8 mm (distance measured in the plane of the beautiful face of the mother plate (foreground I - I ') and perpendicular to the disc (perpendicular to the second plane II - II ')).
  • the distances d1 and d2 are 5 mm.
  • the disc is in free rotation.
  • the system of adjustment not shown, keeps the axis of the disc at a distance predetermined plane I - I ', so that the disc 6 makes a cut in the mother plate 1.
  • the mother plate is cut to dry.
  • the distance between the axis of rotation of the disk 6 and the foreground will be less than the radius of the disc 6 (illustrated embodiment).
  • a peripheral segment of disc 6 is then between the two supports 5, 5 '.
  • the same result can be obtained when the peripheral edge of the disc is tangent to the foreground, or when a peripheral segment of the disc is located between the plane defined by the rear face of the plate 1 and the plane defined by the beautiful face of plate 1 (plane I - I ').
  • a cantilever is created in the plate mother 1 on either side of the cut. It was found that said overhang causes, in a controlled and reliable manner, sprains on the side of the beautiful face of the mother plate 1. Said sprains are distributed randomly on the beautiful face near the cut.
  • the optimal distance between the peripheral edge of the disc 6 and the first and the second support 5.5 ′ may vary depending on the thickness of the mother plate, its composition and the nature of the reinforcing fibers possibly present.
  • the installation represented in FIG. 2 comprises a station A of loading of mother plates, a first cutting-sinking device, a second cutting and sinking device, two cleaning D, H and a station I supplying the finishing station and / or packaging of thin cut materials (item not shown).
  • the mother plates of loading station A are taken by a lifting beam and placed on the cutting table B of the first device cutting-sinking.
  • the mother plates are maintained and immobilized on the series of supports of the cutting table B by known suitable means, for example pneumatic suction cups (not shown).
  • the mother plates then appear beautiful face down.
  • Table B has n series of 2 flat supports, the 2 x n supports being integral with the table B and parallel to each other.
  • the first cutting-sinking device also includes a tool cutting and sinking C with n discs with a straight non-sharp edge perpendicular to the plane of the cutting table B.
  • Each disc of tool C is in a vertical plane located between the first and the second support of one of the n series.
  • Tool C is mounted on a mobile carriage which includes the adjustment system.
  • a first step of cutting and sinking is carried out by the movement of the carriage over table B. During this movement the discs are rotating freely.
  • the adjustment system adjusts the distance between the axis of rotation of the discs and the foreground so that the discs make n parallel spalled cuts in the mother plate.
  • the mother plate is thus divided into n-1 thin strips with sparse edges.
  • the scraping and brushing of thin strips is carried out by the cleaning D, during the transfer of the strips from the first cut-sinking to the second cutting-sinking device (transfer from B to E in Figure 2).
  • the thin strips are located on the 2 x m supports with which the second table E is fitted.
  • the second cutting and sinking station also includes a second tool cutting and sinking G with m discs.
  • Cutting is done by moving the second table E to and below the second cutting and sinking tool G. During this displacement the discs of tool G are in free rotation.
  • the system of adjustment of the second device adjusts the distance between the axes of rotation discs and the plane defined by the beautiful face of the bands (the third plan) .
  • the plan defined by the beautiful face of the mother plate during the first step corresponds to the plane defined by the beautiful face of the bands during the second stage (the third shot).
  • the scraping and brushing of the thin materials obtained is carried out by the second cleaning station H during their transfer from point F to the feed station I of the finishing and / or packaging station thin cut materials.
  • Thin materials obtained by the process according to the invention have on their beautiful face sparse edges whose spurts are distributed randomly near the cutouts, and on their back side of regular edges straight in substance without spalling.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
EP99870230A 1998-11-02 1999-11-03 Verfahren un Vorrichtung zur Herstellung von Dachdeckmaterialien mit Kantenbeschädigungen Withdrawn EP1000722A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9813776A FR2785219B1 (fr) 1998-11-02 1998-11-02 Procede et dispositif pour l'obtention de materiaux de couverture ou de revetement a bords epaufres non repetitifs
FR9813776 1998-11-02

Publications (2)

Publication Number Publication Date
EP1000722A2 true EP1000722A2 (de) 2000-05-17
EP1000722A3 EP1000722A3 (de) 2004-02-04

Family

ID=9532291

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99870230A Withdrawn EP1000722A3 (de) 1998-11-02 1999-11-03 Verfahren un Vorrichtung zur Herstellung von Dachdeckmaterialien mit Kantenbeschädigungen

Country Status (2)

Country Link
EP (1) EP1000722A3 (de)
FR (1) FR2785219B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2346397A1 (es) * 2010-06-21 2010-10-14 Tecnicas De Automatizacion De Canteras Salas, S.L.L. Dispositivo de corte reversible aplicable a maquinas recortadoras de placas de pizarra.

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2193805B1 (es) * 2000-06-19 2004-06-16 Tecnicas De Automatizacion De Canteras Salas, S.L.L. Maquina automatica de corte de placas de pizarra.

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE291722C (de) *
US3056325A (en) * 1958-05-26 1962-10-02 Everett E Hart Cutting apparatus having a reciprocating tool carriage and stopping means
US3724439A (en) * 1967-12-15 1973-04-03 Arvonia Buckingham Slate Co In Apparatus for trimming slate
FR2507952A1 (fr) * 1981-06-19 1982-12-24 Lepiouffle Georges Machine electrique a couper les ardoises naturelles
DE3402038A1 (de) * 1984-01-21 1985-07-25 Franz Schell GmbH Hydraulik- und Maschinenbau, 6969 Höpfingen Vorrichtung zum zuschneiden der raender von schieferplatten
GB2167998A (en) * 1984-12-11 1986-06-11 Howard Insley Garrood Improvements relating to riven slates
FR2585982B1 (fr) * 1985-08-06 1988-07-15 Angers Ardoisieres Installation de fabrication de produits ardoisiers, tels que des ardoises, des elements de revetement ou de decoration
FR2700290B1 (fr) * 1993-01-08 1995-04-14 Hugues Bousquet Machine à tailler les pierres plates.
DE29709004U1 (de) * 1997-05-22 1997-07-31 Moritz, Hans-Joachim, 57520 Langenbach Schneidvorrichtung für Dachplatten

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2346397A1 (es) * 2010-06-21 2010-10-14 Tecnicas De Automatizacion De Canteras Salas, S.L.L. Dispositivo de corte reversible aplicable a maquinas recortadoras de placas de pizarra.
ES2346397B2 (es) * 2010-06-21 2011-11-23 Tecnicas De Automatizacion De Canteras Salas, S.L.L. Dispositivo de corte reversible aplicable a maquinas recortadoras de placas de pizarra.

Also Published As

Publication number Publication date
FR2785219B1 (fr) 2000-12-08
FR2785219A1 (fr) 2000-05-05
EP1000722A3 (de) 2004-02-04

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