WO2001070458A1 - Polishing system for ceramic products - Google Patents

Polishing system for ceramic products Download PDF

Info

Publication number
WO2001070458A1
WO2001070458A1 PCT/IB2001/000404 IB0100404W WO0170458A1 WO 2001070458 A1 WO2001070458 A1 WO 2001070458A1 IB 0100404 W IB0100404 W IB 0100404W WO 0170458 A1 WO0170458 A1 WO 0170458A1
Authority
WO
WIPO (PCT)
Prior art keywords
cooling
tool
machine according
conduit
spmdle
Prior art date
Application number
PCT/IB2001/000404
Other languages
French (fr)
Inventor
Mario Corradini
Original Assignee
Nuove Officine Ancora S.P.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 Nuove Officine Ancora S.P.A. filed Critical Nuove Officine Ancora S.P.A.
Priority to AU2001240980A priority Critical patent/AU2001240980A1/en
Publication of WO2001070458A1 publication Critical patent/WO2001070458A1/en

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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
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
    • 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
    • B24B27/00—Other grinding machines or devices
    • B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
    • 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
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/04—Headstocks; Working-spindles; Features relating thereto
    • B24B41/047—Grinding heads for working on plane surfaces
    • 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

Definitions

  • the invention relates to a system for polishing flat ceramic products, such as tiles or slabs made of porcelain stoneware.
  • Prior art comprises machine tools which are fed with tiles already fired in kiln, for treating said tiles on their surface by means of abrasive or cutting tools, through which the tiles are subjected to polishing or satinizmg on the face that will be visible after tile laying .
  • polishing or satinizmg machine tools are provided with cooling means for cooling the interface region between tool and tile, said cooling means consisting of jets of lubricant-coolant liquid, in particular water, which completely floods the surface of tiles to be worked.
  • the liquid jets can be manually positioned quite roughly and exaggerated water flows are therefore required, to be sure that the working surface is properly sprayed.
  • Brushing machines are further known, to which tiles are led before conveying said tiles to the firing kiln, said brushing machines being able to superficially clean the tiles, thus improving visible surface appearance of tiles without carrying out on them any plana ⁇ ty smoothing as polishing machining does.
  • These brushing machines dry work on tiles, and have -nerefore to work with a very low feed rate, which implies low productivity.
  • An object of the invention is to improve the known systems for surface treating flat ceramic products.
  • a further object is to carry out on ceramic products high quality polishing or satinizmg mechanical workings, preventing sludge to be produced, said sludge implying nigh disposal times and costs.
  • a still further object is to increase the productivity of crushing machines for flat ceramic products.
  • a machine for surface working flat ceramic products, comprising an operating head comprising tool means suitable for working external surface of said products, and cooling means arranged for cooling the interface region between said tool means and said surface, characterized m that, said cooling means comprises conduit means obtained in said operating head for conveying fluid cooling means to said interface region.
  • substantially gaseous fluid cooling means can be fed, comprising pressurised air.
  • the conduit means can be used for feeding fluid cooling means comprising a lubricant-coolant liquid.
  • conduit means can convey towards the interface region fluid cooling means comprising a liquid pnase suspended a gaseous phase, form for example of little water drops, contributing to improve the tool working condition.
  • Fmid cooling means are chosen depending on the selected type of tool and therefore on the type of machining that has to be carried out on products.
  • a method for surface working flat ceramic products comprising interacting with tool means with an external surface of said products, cooling an interface region between said tool means and said surface, characterized that, said cooling comprises conveying towards said interface cooling means comprising a gaseous phase.
  • a method for surface working flat ceramic products comprising interacting with tool means with an external surface of said products, cooling an interface region between said tool means and said surface, characterized that, said cooling comprises conveying towards said interface cooling means comprising a liquid phase dispersed in a gaseous phase.
  • a method for surface working flat ceramic products comprising interacting with tool means with an external surface of said products, cooling an interface region between said tool means and said surface through liquid cooling means, characterized in that, said cooling comprises conveying said cooling means through conduit means of an operating head supporting said tool means, said cooling means being caused to be discharged through said tool means.
  • Figure 1 is a lateral elevation view of a machine according to the invention
  • Figure 2 is a vertical enlarged section of an operating head of the machine of Figure 1 ;
  • Figure 3 is a section like Figure 2, but in a further versio .
  • a machine tool 1 comprises a base frame 2 and a pair of sides 3 at whose ends winding rollers 4 are supported on which a conveyer belt 5 is wound, said conveyer belt 5 defining an advancing plane of tiles 6 to be worked.
  • the machine 1 further comprises a central column 7 to which an operating head 8 is fixed, said operating head 8 being actuated by a motorized group
  • the motorized group 9 suitable for rotating a set of peripheral tools 10 of the head 1.
  • the motorized group 9 is also suitable for vertically moving the head 1 between a stand-by raised position, wherein the tools 10 do not interact with the tiles 6, and an operating lowered position wherein the tools 10 are m operating contact with the tiles 6.
  • a head 10 comprises a central spindle shaft 12 which is coupled, through an upper flange 14, with an electric motor 16 and is rotatably supported, through central bearings 18 and 19, to a central sleeve 20 fixed to a cover 22 of the head 10.
  • the cover 22 is kept stationary with respect to rotation around a longitudinal shaft of the head 10 by screws 23 which connect the cover 22 to an anti-rotation bell 24 fixed to a portion of the frame of column 7.
  • the central spindle shaft 12 is fixed to a sleeve 26 through keys 25; the sleeve 26 extends externally with a rotating plate 28 at whose periphery a plurality of peripheral sleeves 30 is fixed through screws 29.
  • Each peripheral sleeve 30 is rotatably coupled, through bears 31 and 32, with a secondary spindle shaft 33 to which the respective tool 10 is fixed, at the external lower end, and a gear 34 is also fixed, in a region near the internal upper end.
  • the set of gears 34 is rollmgly engaged with the external teeth of a crown wheel 36 firmly coupled with the central sleeve 20 and then stationary with respect to rotation around the axis of the central spindle shaft 12.
  • peripheral spindle shafts 33 - and consequently also the tools 10 - are rotatably actuated about the axis of the central spindle shaft 12 through the plate 28 and are also rotatably actuated about their respective longitudinal axes, parallel to the axis of the central spindle shaft 12, by the gears 34.
  • the central spindle shaft 12 is internally provided with an axial hole 38 communicating, through transverse holes 40, with conduits 42 flowing into a rotating joint 44 supported at the end of each secondary spindle shaft 33 and communicating through a central hole 41, with which each joint 44 is provided, with a longitudinal hole 46 passing through each secondary spindle shaft 33 along its full length. Therefore, each longitudinal hole 46 flows into the central mounting portion 48 of each tool 10, where it is mounted on the respective secondary spindle shaft 33.
  • a cooling fluid which is introduced under pressure through the axial hole 38 passes through the conduit 42 and the joint 44 until it is discharged, through the various longitudinal conduit 46, into the working region of each tool 10 on the product to be polished, or satmized.
  • the cover 22 instead of being fixed to a stationary frame portion, is rotated about the axis of the ma spindle shaft 12 trough actuating means 50, roughly comprising a pinion 52 and a driven gear 54 fixed to the cover 22 by screws 56. It is thus possible to adjust as preferred the ratio between the rotation speed of tools 10 about the axes of the secondary spindle shafts 33 and the rotation speed of the tools 10 about the axis of the mam spindle shaft 12.
  • the base frame 2 is provided with suction means - not shown - for sucking up particles of ceramic material removed from the product 6 and relative cooling fluid.

Abstract

A machine for surface working flat ceramic products comprises an operating head comprising tool means (10) suitable for working an external surface of said products (6), cooling conduit means (38, 40, 41, 42, 44, 46) arranged for cooling an interface region between said tool means (10) and said surface; the cooling conduit means (38, 40, 41, 42, 44, 46) is suitable for conveying a gaseous fluid, or a liquid, or a liquid dispersed in a gaseous phase.

Description

Polishing system for ceramic products
The invention relates to a system for polishing flat ceramic products, such as tiles or slabs made of porcelain stoneware.
Prior art comprises machine tools which are fed with tiles already fired in kiln, for treating said tiles on their surface by means of abrasive or cutting tools, through which the tiles are subjected to polishing or satinizmg on the face that will be visible after tile laying .
The above mentioned polishing or satinizmg machine tools are provided with cooling means for cooling the interface region between tool and tile, said cooling means consisting of jets of lubricant-coolant liquid, in particular water, which completely floods the surface of tiles to be worked. The liquid jets can be manually positioned quite roughly and exaggerated water flows are therefore required, to be sure that the working surface is properly sprayed.
This implies a drawback consisting in a high production of sludge, containing particles of ceramic material removed from tiles suspended m the cooling liquid. Therefore, expensive and bulky systems for purifying such sludge are needed, said systems comprising many sludge settling tanks and requiring long sludge treatment times and preparation of appropriate stonework.
Brushing machines are further known, to which tiles are led before conveying said tiles to the firing kiln, said brushing machines being able to superficially clean the tiles, thus improving visible surface appearance of tiles without carrying out on them any planaπty smoothing as polishing machining does. These brushing machines dry work on tiles, and have -nerefore to work with a very low feed rate, which implies low productivity.
An object of the invention is to improve the known systems for surface treating flat ceramic products.
A further object is to carry out on ceramic products high quality polishing or satinizmg mechanical workings, preventing sludge to be produced, said sludge implying nigh disposal times and costs.
A still further object is to increase the productivity of crushing machines for flat ceramic products.
In a first aspect of the invention, a machine is provided for surface working flat ceramic products, comprising an operating head comprising tool means suitable for working external surface of said products, and cooling means arranged for cooling the interface region between said tool means and said surface, characterized m that, said cooling means comprises conduit means obtained in said operating head for conveying fluid cooling means to said interface region.
Tnrough the conduit means, substantially gaseous fluid cooling means can be fed, comprising pressurised air.
A_ternatιvely, the conduit means can be used for feeding fluid cooling means comprising a lubricant-coolant liquid.
Still more, the conduit means can convey towards the interface region fluid cooling means comprising a liquid pnase suspended a gaseous phase, form for example of little water drops, contributing to improve the tool working condition.
Fmid cooling means are chosen depending on the selected type of tool and therefore on the type of machining that has to be carried out on products.
Ir a second aspect of the invention, a method is provided for surface working flat ceramic products, comprising interacting with tool means with an external surface of said products, cooling an interface region between said tool means and said surface, characterized that, said cooling comprises conveying towards said interface cooling means comprising a gaseous phase.
In a third aspect of the invention, a method is provided for surface working flat ceramic products, comprising interacting with tool means with an external surface of said products, cooling an interface region between said tool means and said surface, characterized that, said cooling comprises conveying towards said interface cooling means comprising a liquid phase dispersed in a gaseous phase.
In a fourth aspect of the present invention, a method is provided for surface working flat ceramic products, comprising interacting with tool means with an external surface of said products, cooling an interface region between said tool means and said surface through liquid cooling means, characterized in that, said cooling comprises conveying said cooling means through conduit means of an operating head supporting said tool means, said cooling means being caused to be discharged through said tool means.
Owing to the invention, it is possible to carry out high quality workings on ceramic products since it is possible to convey the fluid cooling means to the working region of tools, remarkably improving their efficiency. Furthermore, it is possible - by using gaseous cooling means - to reduce greatly sludge production, with significant cost saving.
The invention can be better understood and carried out with the aid of the enclosed drawings, which illustrate some exemplifying and not restrictive embodiment forms tnereof, wherein: Figure 1 is a lateral elevation view of a machine according to the invention;
Figure 2 is a vertical enlarged section of an operating head of the machine of Figure 1 ;
Figure 3 is a section like Figure 2, but in a further versio .
As shown Figure 1, a machine tool 1 comprises a base frame 2 and a pair of sides 3 at whose ends winding rollers 4 are supported on which a conveyer belt 5 is wound, said conveyer belt 5 defining an advancing plane of tiles 6 to be worked. The machine 1 further comprises a central column 7 to which an operating head 8 is fixed, said operating head 8 being actuated by a motorized group
9 suitable for rotating a set of peripheral tools 10 of the head 1. The motorized group 9 is also suitable for vertically moving the head 1 between a stand-by raised position, wherein the tools 10 do not interact with the tiles 6, and an operating lowered position wherein the tools 10 are m operating contact with the tiles 6.
With reference to Figure 2, a head 10 comprises a central spindle shaft 12 which is coupled, through an upper flange 14, with an electric motor 16 and is rotatably supported, through central bearings 18 and 19, to a central sleeve 20 fixed to a cover 22 of the head 10. The cover 22 is kept stationary with respect to rotation around a longitudinal shaft of the head 10 by screws 23 which connect the cover 22 to an anti-rotation bell 24 fixed to a portion of the frame of column 7.
At its end opposite to the flange 14, the central spindle shaft 12 is fixed to a sleeve 26 through keys 25; the sleeve 26 extends externally with a rotating plate 28 at whose periphery a plurality of peripheral sleeves 30 is fixed through screws 29.
Each peripheral sleeve 30 is rotatably coupled, through bears 31 and 32, with a secondary spindle shaft 33 to which the respective tool 10 is fixed, at the external lower end, and a gear 34 is also fixed, in a region near the internal upper end. The set of gears 34 is rollmgly engaged with the external teeth of a crown wheel 36 firmly coupled with the central sleeve 20 and then stationary with respect to rotation around the axis of the central spindle shaft 12.
Thus, the peripheral spindle shafts 33 - and consequently also the tools 10 - are rotatably actuated about the axis of the central spindle shaft 12 through the plate 28 and are also rotatably actuated about their respective longitudinal axes, parallel to the axis of the central spindle shaft 12, by the gears 34.
The central spindle shaft 12 is internally provided with an axial hole 38 communicating, through transverse holes 40, with conduits 42 flowing into a rotating joint 44 supported at the end of each secondary spindle shaft 33 and communicating through a central hole 41, with which each joint 44 is provided, with a longitudinal hole 46 passing through each secondary spindle shaft 33 along its full length. Therefore, each longitudinal hole 46 flows into the central mounting portion 48 of each tool 10, where it is mounted on the respective secondary spindle shaft 33.
Thus, a cooling fluid which is introduced under pressure through the axial hole 38 passes through the conduit 42 and the joint 44 until it is discharged, through the various longitudinal conduit 46, into the working region of each tool 10 on the product to be polished, or satmized.
In the version of Figure 2, the cover 22, instead of being fixed to a stationary frame portion, is rotated about the axis of the ma spindle shaft 12 trough actuating means 50, roughly comprising a pinion 52 and a driven gear 54 fixed to the cover 22 by screws 56. It is thus possible to adjust as preferred the ratio between the rotation speed of tools 10 about the axes of the secondary spindle shafts 33 and the rotation speed of the tools 10 about the axis of the mam spindle shaft 12. Obviously, the base frame 2 is provided with suction means - not shown - for sucking up particles of ceramic material removed from the product 6 and relative cooling fluid.

Claims

1. Machine for surface working flat ceramic products (6), comprising an operating head (8) comprising tool means (10) suitable for working an external surface of said products (6), and cooling means (38, 40, 41, 42, 44, 46) arranged for cooling an interface region between said tool means (10) and said surface, characterized that, said cooling means comprises conduit means (38, 40, 41, 42, 44, 46) obtained m said operating head (8) for conveying fluid cooling means to said interface region.
2. Machine according to claim 1, wherein said conduit means (38, 40) extends into central spindle means (12) of said head ( 8 ) .
3. Machine according to claim 1, or 2, wherein said conduit means (46) extends into peripheral sp dle means (33) of said head.
4. Machine according to claims 2 and 3, wherein said conduit means (42) extends between said central spindle means (12) and said peripheral spmdle means (33).
5. Machine according to claim 4, wherein said conduit means further comprises rotating joint means (44) arranged between said central spmdle means (12) and said peripheral spindle means (33) .
6. Machine according to any of claims 3 to 5, when claim 3 is appended to claim 2, wherein rotating plate means (26, 28) are fixed to said central spmdle means (12), said rotating plate means (26, 28) rotatably actuating said peripheral spindle means (33) about a longitudinal axis of said central spmdle means (12) .
7. Machine according to claim 6, wherein said peripheral spmdle means (33) is provided with reaction means (34, 36) which forces said peripheral spmdle means (33) to rotate about a longitudinal axis thereof.
8. Machine according to claim 7, wherein said reaction means comprises crown wheel means (36) fixed to a portion (33) of a case (22) of said operating head (8), said crown wheel means (36) meshmg gear means (34) fixed to said peripheral spmdle means (33) and rollmgly engaged on said crown wheel means (36) .
9. Machine according to claim 8, wherein said case means (22) is fixed to anti-rotation means (24).
10. Machine according to claim 8, wherein said case means (22) is rotatably actuated about a longitudinal axis of said central spmdle means (12) through actuating means (50) .
11. Machine according to any of the preceding claims, wherein said conduit means (38, 40, 41, 42, 44, 46; is suitable for conveying substantially gaseous cooling fluid means comprising pressurised air.
12. Machine according to any of the preceding claims, wherein said conduit means (38, 40, 41, 42, 44, 46) is suitable for conveying cooling fluid means comprising a lubricant-coolant liquid.
13. Machine according to any of the preceding claims, wherein said conduit means (38, 40, 41, 42, 44, 46) is suitable for conveying fluid cooling means comprising a liquid phase suspended m a gaseous phase.
14. Method for surface working ceramic flat products (6), comprising interacting with tool means (10) with an external surface of said products (6), cooling an interface region between said tool means (10) and said surface, characterized m that, said cooling comprises conveying towards said interface regior cooling means comprising a gaseous phase.
15. Method for surface working ceramic flat products (6), comprising interacting with tool means (101 with an external surface of said products, cooling an interface region between said tool means (10) ana said surface, characterized m that, said cooling comprises conveying towards said interface region cooling means comprising a liquid phase dispersed m a gaseous phase.
16. Method according to any of claims 14, or 15, wherein said conveying comprises introducing said cooling means into conduit means (38, 40, 41, 42, 44, 46) of an operating head (8) supporting said tool means (10), said cooling means being caused to be discharged through said tool means (10) m said interface region.
17. Method for surface working ceramic flat products (6), comprising interacting with tool means (10) with an external surface of said products, cooling an interface region between said tool means (10) and said surface through liquid cooling means, characterized m that, said cooling comprises conveying said cooling means into conduit means (38, 40, 41, 42, 44, 46) of an operating head (8) supporting said tool means (10), said cooling means being caused to be discharged through said tool means ( 10) .
PCT/IB2001/000404 2000-03-21 2001-03-19 Polishing system for ceramic products WO2001070458A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001240980A AU2001240980A1 (en) 2000-03-21 2001-03-19 Polishing system for ceramic products

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMO2000A000054 2000-03-21
ITMO20000054 IT1315622B1 (en) 2000-03-21 2000-03-21 SANDING SYSTEM FOR CERAMIC ARTICLES.

Publications (1)

Publication Number Publication Date
WO2001070458A1 true WO2001070458A1 (en) 2001-09-27

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IT (1) IT1315622B1 (en)
WO (1) WO2001070458A1 (en)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1477276A1 (en) * 2003-05-16 2004-11-17 Mbd S.R.L. Polishing head for slabs made from stone material
WO2008031463A1 (en) * 2006-09-14 2008-03-20 Ancora S.P.A. Polishing head
CN103331687A (en) * 2013-06-05 2013-10-02 陈仲礼 Automatic ceramic hand-touch polishing machine
CN103506943A (en) * 2013-10-25 2014-01-15 茂名市怡华机械有限公司 Double-grinding head of grinding machine
WO2015044845A1 (en) 2013-09-24 2015-04-02 Breton Spa Orbital lapping head for natural stone, agglomerated and ceramic materials
CN105500161A (en) * 2015-11-27 2016-04-20 芜湖银星汽车零部件有限公司 Planetary grinder for valve stems
WO2016151561A1 (en) * 2015-03-25 2016-09-29 Ancora S.P.A. Head for polishing ceramic items or natural stones
ITUB20155371A1 (en) * 2015-11-09 2017-05-09 Ditech S R L TOOL FOR POLISHING CERAMIC AND / OR NATURAL STONES
ITUB20155381A1 (en) * 2015-11-09 2017-05-09 Ancora Spa HEAD FOR POLISHING CERAMIC ARTICLES OR NATURAL STONES
ITUA20162251A1 (en) * 2016-04-01 2017-10-01 Ancora Spa COOLING AND SUCTION SYSTEM FOR POLISHING HEADS OF CERAMIC PRODUCTS OR NATURAL STONES
CN108972271A (en) * 2018-08-07 2018-12-11 肇庆威尼托机械有限公司 A kind of stone polishing machine
CN111482888A (en) * 2020-06-04 2020-08-04 福州市晋安区凤儒名工艺品有限公司 Ceramic bracket semi-finished product finish machining polishing tool
IT201900005792A1 (en) 2019-04-15 2020-10-15 Ancora Spa HEAD OF TREATMENT OF LASTRIFORM ELEMENTS
IT201900018914A1 (en) 2019-10-15 2021-04-15 Ancora Spa PLANT FOR PROCESSING CERAMIC OR NATURAL STONE PRODUCTS OR OBJECTS

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR939715A (en) * 1946-01-14 1948-11-23 Polisher for marble slabs, tiles and the like
US3583383A (en) * 1968-05-01 1971-06-08 Wheel Trueing Tool Co Drilling device with coolant supply
US3633318A (en) * 1968-04-12 1972-01-11 Virgilio Olivotto Apparatus for grinding elongated rolling-up material, particularly metal wire
WO1995030515A1 (en) * 1994-05-06 1995-11-16 Sirt Societa' Industriale Ricerca Tecnologica S.R.L. A machine for smoothing/polishing flat slabs, in particular of ceramic material, natural stone, or other equivalent materials
WO1999028088A1 (en) * 1997-12-04 1999-06-10 Minnesota Mining And Manufacturing Company Tools with abrasive segments

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR939715A (en) * 1946-01-14 1948-11-23 Polisher for marble slabs, tiles and the like
US3633318A (en) * 1968-04-12 1972-01-11 Virgilio Olivotto Apparatus for grinding elongated rolling-up material, particularly metal wire
US3583383A (en) * 1968-05-01 1971-06-08 Wheel Trueing Tool Co Drilling device with coolant supply
WO1995030515A1 (en) * 1994-05-06 1995-11-16 Sirt Societa' Industriale Ricerca Tecnologica S.R.L. A machine for smoothing/polishing flat slabs, in particular of ceramic material, natural stone, or other equivalent materials
WO1999028088A1 (en) * 1997-12-04 1999-06-10 Minnesota Mining And Manufacturing Company Tools with abrasive segments

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1477276A1 (en) * 2003-05-16 2004-11-17 Mbd S.R.L. Polishing head for slabs made from stone material
WO2008031463A1 (en) * 2006-09-14 2008-03-20 Ancora S.P.A. Polishing head
CN103331687A (en) * 2013-06-05 2013-10-02 陈仲礼 Automatic ceramic hand-touch polishing machine
WO2015044845A1 (en) 2013-09-24 2015-04-02 Breton Spa Orbital lapping head for natural stone, agglomerated and ceramic materials
CN103506943A (en) * 2013-10-25 2014-01-15 茂名市怡华机械有限公司 Double-grinding head of grinding machine
CN107530861A (en) * 2015-03-25 2018-01-02 安柯拉股份公司 For polishing the head of ceramic articles or natural stone
WO2016151561A1 (en) * 2015-03-25 2016-09-29 Ancora S.P.A. Head for polishing ceramic items or natural stones
ITUB20155371A1 (en) * 2015-11-09 2017-05-09 Ditech S R L TOOL FOR POLISHING CERAMIC AND / OR NATURAL STONES
ITUB20155381A1 (en) * 2015-11-09 2017-05-09 Ancora Spa HEAD FOR POLISHING CERAMIC ARTICLES OR NATURAL STONES
WO2017081617A1 (en) * 2015-11-09 2017-05-18 Ancora S.P.A. Head for polishing ceramic products or natural stones
CN105500161A (en) * 2015-11-27 2016-04-20 芜湖银星汽车零部件有限公司 Planetary grinder for valve stems
WO2017168366A1 (en) * 2016-04-01 2017-10-05 Ancora S.P.A. Cooling and suction system for heads for polishing ceramic manufactured items or natural stones
ITUA20162251A1 (en) * 2016-04-01 2017-10-01 Ancora Spa COOLING AND SUCTION SYSTEM FOR POLISHING HEADS OF CERAMIC PRODUCTS OR NATURAL STONES
CN109070310A (en) * 2016-04-01 2018-12-21 安柯拉股份公司 For polishing cooling and the suction system of the rubbing head of ceramic or lithotome
CN108972271A (en) * 2018-08-07 2018-12-11 肇庆威尼托机械有限公司 A kind of stone polishing machine
IT201900005792A1 (en) 2019-04-15 2020-10-15 Ancora Spa HEAD OF TREATMENT OF LASTRIFORM ELEMENTS
IT201900018914A1 (en) 2019-10-15 2021-04-15 Ancora Spa PLANT FOR PROCESSING CERAMIC OR NATURAL STONE PRODUCTS OR OBJECTS
CN111482888A (en) * 2020-06-04 2020-08-04 福州市晋安区凤儒名工艺品有限公司 Ceramic bracket semi-finished product finish machining polishing tool
CN111482888B (en) * 2020-06-04 2021-01-22 上海新塔星石材发展有限公司 Ceramic bracket semi-finished product finish machining polishing tool

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Publication number Publication date
IT1315622B1 (en) 2003-03-14
AU2001240980A1 (en) 2001-10-03
ITMO20000054A1 (en) 2001-09-21

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