EP2050541B1 - Bürstenmaterial - Google Patents

Bürstenmaterial Download PDF

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Publication number
EP2050541B1
EP2050541B1 EP20070254107 EP07254107A EP2050541B1 EP 2050541 B1 EP2050541 B1 EP 2050541B1 EP 20070254107 EP20070254107 EP 20070254107 EP 07254107 A EP07254107 A EP 07254107A EP 2050541 B1 EP2050541 B1 EP 2050541B1
Authority
EP
European Patent Office
Prior art keywords
brush
abrasive
covering layer
metal
bristle
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
EP20070254107
Other languages
English (en)
French (fr)
Other versions
EP2050541A1 (de
Inventor
Yuuichiro Niizaki
Tomoko Niizaki
Yunito Niizaki
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE200760011285 priority Critical patent/DE602007011285D1/de
Priority to EP20070254107 priority patent/EP2050541B1/de
Publication of EP2050541A1 publication Critical patent/EP2050541A1/de
Application granted granted Critical
Publication of EP2050541B1 publication Critical patent/EP2050541B1/de
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
    • B24D13/02—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery
    • B24D13/10—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery comprising assemblies of brushes
    • 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

Definitions

  • the present invention relates to a brush material that can be used for polishing the surface of a workpiece or for polishing and grinding it for burring.
  • a conventionally known brush material that can be used for polishing the surface of a workpiece or for polishing and grinding it for burring is, for example, a brush material that includes as a core a plurality of synthetic fibers containing abrasive particles and as a covering a thin multifilament of synthetic fiber provided around the core (see JP-A SHO 63-318907 ).
  • WO 93/18890 shows a composite abrasive filament comprising at least one preformed core, a plurality of which cores may be parallel or twisted together, and at least partially coated with a thermoplastic elastomer having abrasive particles therein.
  • the brush material including the covering of the thin multifilament of synthetic fiber is used for polishing the surface of a workpiece or for polishing and grinding it for burring, and used under severe conditions such as being brought into contact with the surface of the workpiece, while being rotated at high speed, or being subjected to a strong pressing force, a burring effect or a polishing effect cannot be expected when a hard burr is formed on the surface or corner of the workpiece, and there is a need for improvement.
  • the present invention has been achieved to solve the above described problem, and has as an object to provide a brush material having wear resistance and durability so that a burring effect or a polishing effect can be expected even when a hard burr is formed on the surface or corner of a workpiece in the case where the brush material is used for polishing the surface of the workpiece or for polishing and grinding it for burring, and used under severe conditions such as being brought into contact with the surface of the workpiece while being rotated at high speed, or being subjected to a strong pressing force.
  • the invention provides a brush material comprising a brush bristle material that is composed of a bundle of plural metal brush bristles each having a circular or polygonal section; and a covering layer that contains an abrasive and is provided on a surface of the brush bristle material characterised in that each of the metal brush bristles has an abrasive layer formed by electrodepositing an abrasive on a surface of each metal brush bristle.
  • the covering layer may contain as the abrasive at least one member selected from the group consisting of alumina, silicon carbide, cerium oxide and diamond.
  • the covering layer may contain as the abrasive plural members comprising 1% to 10% by weight of diamond and 90% to 99% by weight of other members.
  • the covering layer may have a resin coated thereon, a resin coat wound thereon in a spiral shape or a pipe member of thin resin film mounted thereon.
  • the covering layer may contain aromatic or deodorant powder.
  • the brush bristle material may include the covering layer provided on the surface of the resin brush bristle material composed of a bundle of plural brush bristles.
  • the brush material has wear resistance and durability, and a burring effect or a polishing effect can be expected even when a hard burr is formed on the surface or corner of a workpiece in the case where the brush material is used under severe conditions such as being brought into contact with the surface of the workpiece while being rotated at high speed, or being subjected to a strong pressing force.
  • FIG. 1(a) is a schematic perspective view of a brush material of Embodiment 1 according to the present invention
  • FIG. 1(b) is an enlarged sectional view of the brush material taken along line Ib-Ib in FIG. 1(a) .
  • FIG. 2 (a) is a schematic perspective view of a brush material of Embodiment 2 according to the present invention
  • FIG. 2(b) is an enlarged sectional view of the brush material taken along line IIb-IIb in FIG. 2(a) .
  • FIG. 3(a) is a schematic perspective view of a brush material of Embodiment 3 according to the present invention
  • FIG. 3(b) is an enlarged sectional view of the brush material taken along line IIIb-IIIb in FIG. 3(a) .
  • FIG. 4(a) is a schematic perspective view of a brush material of Embodiment 4 according to the present invention
  • FIG. 4(b) is an enlarged sectional view of the brush material taken along line IVb-IVb in FIG. 4(a) .
  • FIG. 5(a) is a schematic perspective view of a brush material of Embodiment 5 according to the present invention
  • FIG. 5(b) is an enlarged sectional view of the brush material taken along line Vb-Vb in FIG. 5(a) .
  • FIGS. 6(a), 6(b) and 6(c) are schematic perspective views of metal brush bristles having circular, triangular and quadrangular sections, respectively.
  • FIGS. 7(a), 7(b) and 7(c) are schematic perspective views of the metal brush bristles having the circular, triangular and quadrangular sections in FIG. 6 each having an abrasive layer formed by electrodepositing an abrasive on the surface of the metal brush bristle, as used in embodiments 1 to 5 according to the present invention.
  • FIG. 8 is a schematic view of examples of various sectional shapes of the metal brush bristle.
  • FIGS. 9(a) and 9(b) are schematic perspective views of other examples of metal brush bristles.
  • FIG. 10 is a schematic perspective view of another brush bristle material.
  • FIGS. 11(a) and 11(b) are schematic perspective views of examples of covering layers embodying the present invention.
  • FIGS. 12(a) to 12(e) are schematic views of sectional shapes of other brush materials.
  • FIG. 1(a) is a schematic perspective view of a brush material of Embodiment 1 according to the present invention
  • FIG. 1(b) is an enlarged sectional view of the brush material taken along line Ib-Ib in FIG. 1(a) .
  • a brush material 11 includes a brush bristle material 12a composed of a bundle of four metal brush bristles 12 each having a circular section, and a covering layer 14 of a resin coat that contains an abrasive 13 and is provided on the surface of the brush bristle material 12a.
  • FIG. 2 (a) is a schematic perspective view of a brush material of Embodiment 2 according to the present invention
  • FIG. 2(b) is an enlarged sectional view of the brush material taken along line IIb-IIb in FIG. 2(a) .
  • a brush material 21 includes a brush bristle material 22a composed of a bundle of four metal brush bristles 22 each having a triangular section, and a covering layer 14 of a resin coat that contains an abrasive 13 and is provided on the surface of the brush bristle material 22a.
  • FIG. 3(a) is a schematic perspective view of a brush material of Embodiment 3 according to the present invention
  • FIG. 3(b) is an enlarged sectional view of the brush material taken along line IIIb-IIIb in FIG. 3(a) .
  • a brush material 31 includes a brush bristle material 32a composed of a bundle of four metal brush bristles 32 each having a quadrangular section, and a covering layer 14 of a resin coat that contains an abrasive 13 and is provided on the surface of the brush bristle material 32a.
  • FIG. 4(a) is a schematic perspective view of a brush material of Embodiment 4 according to the present invention
  • FIG. 4(b) is an enlarged sectional view of the brush material taken along line IVb-IVb in FIG. 4(a) .
  • a brush material 41 includes a brush bristle material 42a composed of a bundle of three metal brush bristles, one metal brush bristle 12 having a circular section, another metal brush bristle 22 having a triangular section and the remaining one metal brush bristle 32 having a quadrangular section, and a covering layer 14 of a resin coat that contains an abrasive 13 and is provided on the surface of the brush bristle material 42a.
  • FIG. 5(a) is a schematic perspective view of a brush material of Embodiment 5 according to the present invention
  • FIG. 5(b) is an enlarged sectional view of the brush material taken along line Vb-Vb in FIG. 5(a) .
  • a brush material 51 includes a brush bristle material 54 composed of a bundle of plural metal brush bristles consisting of one center metal brush bristle 52 having a circular section and a large diameter and a plurality of (twelve in FIG. 5 ) metal brush bristles 53 each having a circular section and a small diameter placed around the center metal brush bristle 52, and a covering layer 14 of a resin coat that contains an abrasive 13 and is provided on the surface of the brush bristle material 54.
  • the covering layer 14 is formed of a resin coat containing as the abrasive 13 at least one member selected from the group consisting of alumina, silicon carbide, cerium oxide and diamond.
  • the plural members comprise 1 to 10% by weight of diamond and 90 to 99% by weight of other members.
  • the covering layer 14 may contain aromatic powder or deodorant powder together with the abrasive 13.
  • the aromatic powder or deodorant powder contained in the covering layer 14 can provide an aromatic property or a deodorant property to the brush bristle material 12a during polishing of a workpiece.
  • FIG. 6(a) shows the metal brush bristle 12 having a circular section
  • FIG. 6(b) shows the metal brush bristle 22 having a triangular section
  • FIG. 6(c) shows the metal brush bristle 32 having a quadrangular section.
  • Each of the metal brush bristles 12, 22 and 32 having circular or polygonal sections has an abrasive layer 10a, when used in embodiments of the invention, formed by electrodepositing an abrasive 10 on the surface of the metal brush bristle and firmly securing the abrasive 10 with one layer of metal skin.
  • FIG. 7 (a) shows a metal brush bristle 12b having an abrasive layer 10a formed by electrodepositing the abrasive 10 on the surface of the metal brush bristle 12 having the circular section
  • FIG. 7(b) shows a metal brush bristle 22b having an abrasive layer 10a formed by electrodepositing the abrasive 10 on the surface of the metal brush bristle 22 having the triangular section
  • FIG. 7(c) shows a metal brush bristle 32b having an abrasive layer 10a formed by electrodepositing the abrasive 10 on the surface of the metal brush bristle 32 having the quadrangular section.
  • the abrasive 10 may be mad of the same material as the abrasive 13 or a different material from the abrasive 13.
  • FIG. 8 is a schematic view of examples of various sectional shapes of the metal brush bristle.
  • the shown metal brush bristles 12, 22 and 32 in Embodiments 1 to 4 have the circular, triangular and quadrangular (square) sections.
  • the metal brush bristle may have a section of a polygonal shape, such as a hexagonal shape 33 or an octagonal shape 34, an oval shape 35, a cross shape 36, a shape of glasses like a gourd 37, a shape of a four-leaved clover 38 (or an unshown shape of a three-leaved clover), or a rectangular shape 39.
  • the shown metal brush bristles 12, 22 and 32 are linear members. Besides, a twisted metal brush bristle 22c as shown in FIG. 9(a) , or a finely corrugated metal brush bristle 22d as shown in FIG. 9(b) may be used.
  • the plurality of metal brush bristles 12 may be bound as they are to form a brush bristle material, or a plurality of (three in FIG. 10 ) metal brush bristles 12 having various sectional shapes may be woven to form a brush bristle material 60 as shown in FIG. 10 .
  • the covering layer 14 can be formed by coating resin, but a covering layer 14a may be formed by winding a resin coat in a spiral shape as shown in FIG. 11(a) , or a covering layer 14b may be formed by mounting a pipe member of thin resin film as shown in FIG. 11(b) .
  • FIGS. 12(a) to 12(e) are schematic views of sectional shapes of other brush materials.
  • the covering layer 14 of each of the shown brush materials 11, 21, 31, 41 and 51 in Embodiments 1 to 5 has a section of a circular ring shape, but the covering layer of the brush material may be formed to have a section of a quadrangular ring shape 61 with a circular hole as shown in FIG. 12(a) , a triangular ring shape 62 as shown in FIG. 12(b) , a hexagonal ring shape 63 as shown in FIG. 12(c) , an octagonal ring shape 64 as shown in FIG. 12(d) , or an oval ring shape 65 as shown in FIG. 12(e) .
  • the present invention is not limited to the embodiments, but may be implemented in any manner without changing the configuration described in Claims.
  • three or four resin brush bristles are provided inside the covering layer in Embodiments 1 to 5, but other plural number of resin brush bristles may be provided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Brushes (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Claims (5)

  1. Ein Bürstenmaterial (11, 21, 31, 41, 51), umfassend:
    ein Bürstenborstenmaterial (12a, 22a, 32a, 42a, 54), das aus einem Bündel von mehreren Metallbürstenborsten (12, 22, 32, 52, 53) zusammengesetzt ist, von denen jede einen runden oder polygonalen Abschnitt aufweist, und
    eine Deckschicht (14), die ein Schleifmittel (13) enthält und auf einer Oberfläche des Bürstenborstenmaterials (12a, 22a, 32a, 42a, 54) bereitgestellt ist, dadurch gekennzeichnet, dass jede der Metallbürstenborsten (12, 22, 32, 52, 53) eine Schleifmittelschicht (10a) aufweist, die mittels elektrolytischem Abscheiden eines Schleifmittels (10) auf einer Oberfläche jeder Metallbürstenborste ausgebildet wird.
  2. Das Bürstenmaterial (11, 21, 31, 41, 51) gemäß Anspruch 1, während die Deckschicht (14) als das Schleifmittel (13) mindestens ein Mitglied ausgewählt aus der Gruppe bestehend aus Aluminiumoxid, Siliciumcarbid, Ceroxid und Diamant enthält.
  3. Das Bürstenmaterial (11, 21, 31, 41, 51) gemäß Anspruch 2, während die Deckschicht (14) als das Schleifmittel (13) mehrere Mitglieder enthält, die 1 bis 10 Gew.-% Diamant und 90 bis 99 Gew.-% andere Mitglieder aufweisen.
  4. Das Bürstenmaterial (11, 21, 31, 41, 51) gemäß Anspruch 1, während die Deckschicht (14) ein darauf überzogenes Harz aufweist, während ein Harzüberzug darauf in einer Spiralform (14a) gewunden ist oder ein Rohrelement aus dünnem Harzfilm ist darauf (14b) befestigt.
  5. Das Bürstenmaterial (11, 21, 31, 41, 51) gemäß Anspruch 1, während die Deckschicht (14) aromatisches oder desodorierendes Pulver enthält.
EP20070254107 2007-10-17 2007-10-17 Bürstenmaterial Not-in-force EP2050541B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE200760011285 DE602007011285D1 (de) 2007-10-17 2007-10-17 Bürstenmaterial
EP20070254107 EP2050541B1 (de) 2007-10-17 2007-10-17 Bürstenmaterial

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20070254107 EP2050541B1 (de) 2007-10-17 2007-10-17 Bürstenmaterial

Publications (2)

Publication Number Publication Date
EP2050541A1 EP2050541A1 (de) 2009-04-22
EP2050541B1 true EP2050541B1 (de) 2010-12-15

Family

ID=38895536

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20070254107 Not-in-force EP2050541B1 (de) 2007-10-17 2007-10-17 Bürstenmaterial

Country Status (2)

Country Link
EP (1) EP2050541B1 (de)
DE (1) DE602007011285D1 (de)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3147503A (en) * 1961-09-25 1964-09-08 Osborn Mfg Co Modified brushing tool
JPS62251082A (ja) * 1986-04-24 1987-10-31 Matsushita Electric Works Ltd 磨き用軸付ブラシ
TW222668B (de) * 1992-03-19 1994-04-21 Minnesota Mining & Mfg

Also Published As

Publication number Publication date
EP2050541A1 (de) 2009-04-22
DE602007011285D1 (de) 2011-01-27

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