EP2042266B1 - Outil de lissage et/ou de clapotage pour la finition d'un matériau de pierre - Google Patents

Outil de lissage et/ou de clapotage pour la finition d'un matériau de pierre Download PDF

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Publication number
EP2042266B1
EP2042266B1 EP08164943.6A EP08164943A EP2042266B1 EP 2042266 B1 EP2042266 B1 EP 2042266B1 EP 08164943 A EP08164943 A EP 08164943A EP 2042266 B1 EP2042266 B1 EP 2042266B1
Authority
EP
European Patent Office
Prior art keywords
working portion
tool
resins
working
brushing
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.)
Not-in-force
Application number
EP08164943.6A
Other languages
German (de)
English (en)
Other versions
EP2042266A2 (fr
EP2042266A3 (fr
Inventor
Stefano Fioratti
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.)
Aros SRL
Original Assignee
Aros SRL
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Publication date
Application filed by Aros SRL filed Critical Aros SRL
Priority to PL08164943T priority Critical patent/PL2042266T3/pl
Publication of EP2042266A2 publication Critical patent/EP2042266A2/fr
Publication of EP2042266A3 publication Critical patent/EP2042266A3/fr
Application granted granted Critical
Publication of EP2042266B1 publication Critical patent/EP2042266B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B24D13/145—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by the front face having a brush-like working surface
    • 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 present invention relates to a smoothing and/or lapping tool, particularly, but not exclusively, suitable for finishing workings of natural or artificial stone, ceramic or the like materials.
  • Stone, porcelain, and not-porcelain ceramic materials are generally polished by using substantially rigid working tools having a Shore B hardness ranging from 70 to 90 degrees.
  • Such tools comprise abrasive granules incorporated in a matrix including a cement binder, such as magnesium oxychloride, or a resin binder, e. g. polyester, polyurethane and epoxy resins; and fillers, e. g. iron carbonates and/or oxides, aluminium oxides, silicon carbides and the like.
  • Such granular abrasives which are generally used with a granule size ranging from 36 to 1800 mesh, allow various hard materials to be worked, thereby obtaining bright surfaces thereon.
  • Tools including a rubber binder and having a Shore B hardness of 20 degree, and brushes including nylon ® as a binder have already been proposed. Such brushes make it possible to carry out surface workings with a high level of homogeneity in the surface finishing thereof.
  • “Turtle” tools have also been proposed that are quite rigid, and thus they require to be mounted on resilient supports.
  • Honing machines have also been proposed which are provided with a plurality of different-type tools designed to carry out a so-called “mirrorlike” or “undulated” surface finishing.
  • the combined use of tools of different type from one another causes sometimes defects to be formed on the materials, especially if single working step is carried out on the material. This means that in order to obtain an optimum surface finishing working two or three smoothing/lapping steps are to be carried out, and this of course heavily affects the working costs.
  • a finishing and/or polishing block-like tool of abrasive material including at least one front working portion and at least one rear portion designed to be anchored to a working head of a honing machine or a handle rear portion.
  • the one front working portion comprises one first brushing working portion including a plurality of bristle elements each extending from said rear portion through a length many times greater than the thickness thereof, and one second working portion including depressions separated by at least one raising zone having size many times greater than the thickness of one bristle element.
  • the main object of the present invention is to provide a smoothing/lapping tool comprising portions of different hardness one with respect to the other, thereby being suitable for selectively work different surface portions of a slab or block of material.
  • Another object of the present invention is to provide a tool which is suitable for carrying out both finishing and polishing workings.
  • Block 1 is shaped as a substantially parallelepiped block, preferably a rectangular block, of abrasive material.
  • Block 1 comprises a front working portion 2 and a rear portion 3.
  • the latter can be handle-shaped for manual use of the tool, or shoe-shaped to be anchorable to a working head of a honing or polishing machine (not shown in the drawings), as it is well known in the art.
  • the front working portion 2 includes one or more brushing working areas 4 having a plurality of bristle elements 5 extending or protruding from the rear anchoring portion or handle 3 for a length many times greater (typically from 5 to 10 times) than maximum thickness or transversal dimension of each bristle element.
  • the brushing working portion or portions is/are spaced apart and extend/s so as to delimit a continuous working front extending throughout the length and, preferably, the width of the front working portion 2.
  • the front working portion 2 also has a plurality of working areas 6, each including depressions 7 separated by raising or in relief areas 8 each extending through an area many times greater (typically from 5 to 10 times) than the thickness of a bristle element.
  • the working area/s 6 is/are spaced apart and/or extend/s so that the areas in relief 8 thereof form all together a continuous or uninterrupted working front extending throughout the length and, preferably, the width of the front working portion 2.
  • Figures 3 and 4 show an annular-shaped finishing and/or polishing tool 1a which includes a rear portion 3a and a front working portion 2a.
  • the latter comprises one or more brushing working areas 4a including a plurality of bristle elements 5a, and one or more working areas 6a provided with a plurality of reliefs or plugs 8a separated by depressions 7a from one another.
  • the series of reliefs 8a alternate with bristle elements 5a, each series of reliefs 8a and bristle elements being arranged along respective concentric circumferences.
  • the rear portion is obtained (e. g. by an injection moulding process) in one piece with the bristle elements 5a, whereas the reliefs or plugs 8a are inserted into, or in any way anchored to respective seats formed between the rear portion and the bristles.
  • the bristle elements are preferably made of a resin material selected from the group comprising thermoplastic resins, such as thermoplastic polyamides (nylon), thermoplastic polyesters (e. g. the Desmopan product made available by the company Bayer S.p.A.), thermoplastic polyurethanes (e. g. Texin made available by Bayer S.p.A.), casting resins, such as polyester polyols (Desmophen made available by Bayer S.p.A.), casting polyester resins, casting epoxy resins, casting silicone resins, resins obtained by a vulcanization process, e. g. vulcanized rubbers.
  • thermoplastic resins such as thermoplastic polyamides (nylon), thermoplastic polyesters (e. g. the Desmopan product made available by the company Bayer S.p.A.), thermoplastic polyurethanes (e. g. Texin made available by Bayer S.p.A.), casting resins, such as polyester polyols (Desmoph
  • a filler material is added which is selected from the group comprising:
  • the reliefs are made of a resin material selected from the group comprising:
  • relief or block portions can be added with a filler material selected from the group referred to above in relation with the bristle elements.
  • the bristle elements have a hardness ranging from 50 Shore A degrees to 30 Shore B degrees, whereas the reliefs have a hardness ranging from 50 Shore B degrees to 90 Shore B degrees.
  • the bristle elements can also have a different height from the rel iefs.
  • Both the bristle elements and the reliefs can be obtained through injection processes, e. g. injection moulding, or a casting process.
  • a resin material for example, can be cast into a cavity in a mould, whereby obtaining the reliefs, that once hardening thereof has been completed can be located in a second mould, where the bristle elements can be over-moulded by means of an injection press.
  • thermosetting resin binder e. g. having a 87 Shore hardness
  • a thermoplastic resin binder e. g. Nevitane 250 D, made available by the company Nevitane S.p.A. at Luzzane (Reggio Emilia - Italy), filled with Ca 12%
  • the thermosetting resin binder used to obtain the reliefs has a granule size one degree-lower than the thermoplastic resin binder used to obtain the bristles.
  • either the bristle elements or the plugs have a granule size ranging from 980 to 1 micron.
  • the reliefs in a tool according to the present invention are substantially rigid and designed to polish surface portions of blocks or slabs made of stone material, whereas the bristle elements are partly resilient and designed to work portions of a block or slab that could not be reached by the reliefs, the bristle elements being suitable for penetrating interstices in the material being worked.
  • a tool 1 or 10 according to the present invention can work the whole surface of a slab or block engaged by tool working front, whereby even a single working step of a honing machine working head is satisfactory to obtain an optimum finishing or lapping working.
  • the bristle elements (5, 5a) and reliefs (8, 8a) delimit a substantially convex surface-working front.
  • a tool according to the present invention can be used for working materials having flat faces, even if they are porous in nature or formed with relatively small depressions therein, since the bristle elements can work pores and depressions as well.

Claims (9)

  1. Outil tel qu'un bloc de finition et/ou polissage formé par un matériau abrasif, qui comprend au moins une partie de travail avant (2, 2a) et au moins une partie arrière destinées à être ancrées à une tête de travail d'une machine à roder ou à une partie arrière de poignée (3, 3a), ladite au moins une partie de travail avant (2, 2a) comprenant:
    - au moins une première partie de travail de brossage (4, 4a) comprenant une pluralité d'éléments à poils (5, 5a) s'étendant chacun à partir de ladite partie arrière (3, 3a) sur une longueur plusieurs fois plus grande que l'épaisseur de la même; et
    - au moins une deuxième partie de travail (6, 6a) comprenant des dépressions (7, 7a) séparées par au moins une zone d'élevage (8, 8a) dont les dimensions sont plusieurs fois plus grandes que l'épaisseur d'un élément de poil;
    - ladite au moins une partie de travail de brossage (4, 4a) est constituée par un matériau choisi du groupe comprenant des résines thermoplastiques, comme des polyamides thermoplastiques, polyesters thermoplastiques, polyuréthannes thermoplastiques, résines de coulée, comme des polyols de polyester, résines de polyester de coulée, résines époxy de coulée, résines de silicone de coulée, résines obtenues par un procédé de vulcanisation, comme du caoutchouc vulcanisé; caractérisé en ce que ladite au moins première et/ou deuxième partie comprennent au moins un matériau de remplissage avec une pourcentage comprise entre 40% et 60%, choisis du groupe comprenant: carbonates de calcium, kaolins, talc, fibres de verre, fibres de carbone, diamant industriel, corindon, oxydes de zirconium, oxydes d'étain, oxydes d'aluminium, et des carbures de silicium, tungstène, aluminium, titanium ou bore.
  2. Outil selon la revendication 1, caractérisé en ce que ladite au moins une partie de travail de brossage (4, 4a) a une dureté qui diffère de celle de ladite au moins deuxième partie de travail (6, 6a).
  3. Outil selon la revendication 1 ou 2, caractérisé en ce que chaque première partie de travail de brossage (4, 4a) et chaque deuxième partie de travail (6, 6a) comprennent des éléments de poils (5, 5a) et des reliefs (8, 8a), respectivement, qui s'étendent sur des niveaux différents.
  4. Outil selon la revendication 1 ou 2, caractérisé en ce que chaque première partie de travail de brossage (4, 4a) et chaque deuxième partie de travail (6, 6a) ont des éléments de poils (5, 5a) et des reliefs (8, 8a), respectivement, qui délimitent un front de travail de surface sensiblement convexe.
  5. Outil selon une quelconque des revendications précédentes, caractérisé en ce que ladite au moins partie de travail de brossage (4, 4a) a une dureté comprise entre 50 degrés Shore A et 30 degrés Shore B.
  6. Outil selon une quelconque des revendications précédentes, caractérisé en ce qu'au moins une deuxième partie de travail (6, 6a) a une dureté comprise entre 50 degrés Shore A et 90 degrés Shore B.
  7. Outil selon une quelconque des revendications précédentes, caractérisé en ce que ladite au moins première partie de travail de brossage (4, 4a) et ladite au moins deuxième partie de travail (6, 6a) sont constituées par des matériaux différents.
  8. Outil selon une quelconque des revendications précédentes, caractérisé en ce que au moins une deuxième partie de travail (6, 6a) est constituée par un matériau choisi du groupe comprenant :
    - du polyester, vinylester, résines époxy, résines époxy catalysées par un durcisseur d'amines et des résines de polyuréthanne de grande dureté;
    - des résines thermoplastiques, comme sulfure de polyphénylène (PPS), polyamide (PA6, PA66, PA12), copolyamide (PAc), polysulfone (PSU), polyéthersulfone (PESU), polyétheréthercétone (PEEK) ; et
    - des résines phénoliques.
  9. Outil selon une quelconque des revendications précédentes, caractérisé en ce qu'une deuxième partie est constituée par un matériau avec des tailles des granules d'un degré plus faibles que celles du matériau utilisé pour obtenir ladite deuxième partie.
EP08164943.6A 2007-09-25 2008-09-23 Outil de lissage et/ou de clapotage pour la finition d'un matériau de pierre Not-in-force EP2042266B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08164943T PL2042266T3 (pl) 2007-09-25 2008-09-23 Narzędzie wygładzające i/albo docierające, w szczególności do wykańczania materiałów kamiennych

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000132A ITVR20070132A1 (it) 2007-09-25 2007-09-25 Utensile di levigatura e/o lappatura particolarmente per la finitura di materiali lapidei

Publications (3)

Publication Number Publication Date
EP2042266A2 EP2042266A2 (fr) 2009-04-01
EP2042266A3 EP2042266A3 (fr) 2013-08-14
EP2042266B1 true EP2042266B1 (fr) 2014-12-17

Family

ID=39967836

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08164943.6A Not-in-force EP2042266B1 (fr) 2007-09-25 2008-09-23 Outil de lissage et/ou de clapotage pour la finition d'un matériau de pierre

Country Status (13)

Country Link
US (1) US20090081929A1 (fr)
EP (1) EP2042266B1 (fr)
CN (1) CN101396799A (fr)
BR (1) BRPI0802733A2 (fr)
CA (1) CA2638584A1 (fr)
EG (1) EG24828A (fr)
ES (1) ES2531936T3 (fr)
IL (1) IL193288A0 (fr)
IT (1) ITVR20070132A1 (fr)
MX (1) MX2008012268A (fr)
PL (1) PL2042266T3 (fr)
PT (1) PT2042266E (fr)
RU (1) RU2008138091A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013003816A2 (fr) * 2011-06-30 2013-01-03 Saint-Gobain Ceramics & Plastics, Inc. Procédé de polissage d'une pièce à travailler avec un segment abrasif comprenant des agrégats abrasifs contenant des particules de carbure de silicium
CN105464667A (zh) * 2015-11-16 2016-04-06 武宣县宝信石材有限公司 一种石材加工方法
CN106625198B (zh) * 2016-12-26 2019-04-09 银川市恒益达机械有限公司 含氧化锆的复合型超硬珩磨油石及其制备方法
CN109330171B (zh) * 2018-11-26 2023-11-14 山东商业职业技术学院 一种复合洗车刷
JP7242363B2 (ja) * 2019-03-19 2023-03-20 富士紡ホールディングス株式会社 研磨ブラシ及び研磨加工物の製造方法
IT201900018134A1 (it) * 2019-10-07 2021-04-07 Ditech S R L Utensile per la lucidatura di manufatti ceramici e/o pietre naturali

Family Cites Families (15)

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US1128139A (en) * 1913-10-31 1915-02-09 John P Hoffman Tooth-brush.
US2279355A (en) * 1940-03-28 1942-04-14 Harry L Wilensky Tooth cleaning and gum massaging brush
US3103027A (en) * 1960-11-30 1963-09-10 Marjorie A Birch Combined tooth brush and gum massager
DE3719796A1 (de) * 1987-06-13 1988-12-22 Gehring Gmbh Maschf Verfahren und werkzeug zum bearbeiten von oberflaechen, insbesondere von laufflaechen von verbrennungsmaschinen
US5040260A (en) * 1989-03-16 1991-08-20 Michaels George G Tooth cleaning and polishing device
AU647782B2 (en) * 1990-03-29 1994-03-31 Colgate-Palmolive Company, The Toothbrush
US5211494A (en) * 1991-06-04 1993-05-18 Etienette Baijnath Bath brush-backscratcher for cleansing and stimulating one's skin
GB9423421D0 (en) * 1994-11-19 1995-01-11 Smithkline Beecham Plc Novel device
US5679067A (en) * 1995-04-28 1997-10-21 Minnesota Mining And Manufacturing Company Molded abrasive brush
US5930860A (en) * 1996-03-27 1999-08-03 Shipp; Anthony D. Prophy bristle toothbrush
GB9620092D0 (en) * 1996-09-26 1996-11-13 Unilever Plc A brush and method for producing same
US7814603B2 (en) * 1999-06-11 2010-10-19 Gavney Jr James A Powered toothbrush with polishing elements
US6276021B1 (en) * 1999-10-08 2001-08-21 Colgate-Palmolive Company Toothbrush having a bristle pattern providing enhanced cleaning
PL1524078T3 (pl) * 2003-10-14 2015-06-30 Tenax Spa Układ roboczy wykorzystujący narzędzie szczotkujące
US7988539B2 (en) * 2004-05-21 2011-08-02 Epoxi-Tech, Inc. Abrasive cleaning device

Also Published As

Publication number Publication date
MX2008012268A (es) 2009-04-15
US20090081929A1 (en) 2009-03-26
EG24828A (en) 2010-09-28
ES2531936T3 (es) 2015-03-20
CA2638584A1 (fr) 2009-03-25
PL2042266T3 (pl) 2015-05-29
RU2008138091A (ru) 2010-03-27
EP2042266A2 (fr) 2009-04-01
IL193288A0 (en) 2009-08-03
EP2042266A3 (fr) 2013-08-14
ITVR20070132A1 (it) 2009-03-26
CN101396799A (zh) 2009-04-01
BRPI0802733A2 (pt) 2009-06-02
PT2042266E (pt) 2015-03-10

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