JPH07156070A - Abrasive sheet and manufacture thereof - Google Patents
Abrasive sheet and manufacture thereofInfo
- Publication number
- JPH07156070A JPH07156070A JP32084993A JP32084993A JPH07156070A JP H07156070 A JPH07156070 A JP H07156070A JP 32084993 A JP32084993 A JP 32084993A JP 32084993 A JP32084993 A JP 32084993A JP H07156070 A JPH07156070 A JP H07156070A
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- bristles
- polishing
- dispersed
- substrate sheet
- 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.)
- Granted
Links
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、固体表面の粗研磨およ
び仕上げ研磨に使用する研磨シートまたは研磨テープ、
およびその製造方法に関する。FIELD OF THE INVENTION The present invention relates to a polishing sheet or a polishing tape used for rough polishing and finish polishing of a solid surface,
And a manufacturing method thereof.
【０００２】[0002]
【従来技術および発明が解決しようとする課題】従来の
固体表面研磨法は、例えばラッピング研磨と呼ばれ、プ
ラスチックシート基板上に接着剤で研磨砥粒を接着した
研磨シート等で被研磨固体表面を粗く研磨し、さらに仕
上げ研磨として、回転円盤上に軟らかいバフ布、フェル
ト、またはセーム皮を取り付けたラップ盤表面にワック
スと混練した微細な砥粒を塗布して研磨するという二段
階の工程から成る。2. Description of the Related Art A conventional solid surface polishing method is called, for example, lapping polishing, in which a solid surface to be polished is polished with a polishing sheet or the like in which abrasive grains are adhered to a plastic sheet substrate with an adhesive. It consists of a two-step process of rough polishing and further finishing polishing by applying fine abrasive grains mixed with wax to the surface of a lapping machine with a soft buff cloth, felt, or chamois attached on a rotating disk. .
【０００３】この研磨法の仕上げ研磨において、バフ布
またはフェルト等のラップ盤表面に塗布したワックスと
混練した塗粒は、研磨中に徐々に排除されるので、工程
を中断し、都度に塗り足しがされなければならず、手間
がかかり、さらに、塗粒の補充後、時間経過と共に塗粒
が丸く磨り減るため、固体被研磨物の仕上りに長い時間
がかかっていた。かかる欠点は仕上げ研磨を行える研磨
シートの利用により回避できる。In the finish polishing of this polishing method, the coating particles mixed with the wax applied to the surface of the lapping machine such as buff cloth or felt are gradually removed during the polishing, so the process is interrupted and the coating is added every time. However, it takes a lot of time and effort, and further, after the replenishment of the coating particles, the coating particles are worn away in a round shape, and thus it takes a long time to finish the solid object to be polished. Such drawbacks can be avoided by using a polishing sheet capable of finishing polishing.
【０００４】仕上げ研磨は柔軟性が要求されるため、こ
のような研磨シートにはその基板シートとして植毛布や
起毛布が利用されているが、図１および図２にそれぞれ
を利用して、従来の研磨シート製造方法により製造され
た研磨シートを示す。Since softness is required for finish polishing, a flocked cloth or a raised cloth is used as a substrate sheet for such an abrasive sheet. Conventionally, as shown in FIG. 1 and FIG. The polishing sheet manufactured by the polishing sheet manufacturing method of 1.
【０００５】図１から明らかなように、、織物６上に植
毛バインダー５により植え付けられた植毛４の上方に、
従来の研磨シートの製造方法にしたがって、砥粒とバイ
ンダー樹脂接着剤を塗布すると、植毛布７の上に層状を
なしたスラリーの塊３が形成される。As is apparent from FIG. 1, above the flock 4 which is planted by the flocking binder 5 on the fabric 6,
When the abrasive grains and the binder resin adhesive are applied according to the conventional method for manufacturing a polishing sheet, a layered slurry mass 3 is formed on the flocked cloth 7.
【０００６】起毛布の場合も、図２から明らかなよう
に、起毛布９の起毛８上に層状をなしたスラリーの塊３
が形成される。Also in the case of a raised cloth, as is apparent from FIG. 2, a layered slurry mass 3 is formed on the raised cloth 8 of the raised cloth 9.
Is formed.
【０００７】このように、層状のスラリーの塊が形成さ
れては、基板シートに植毛布や起毛布を利用しても、全
く柔軟性がなくなり、従来のプラスチックシート基板を
用いた場合と変わりない。これでは、事実上仕上げ研磨
を行えない、As described above, when a lump of layered slurry is formed, even if a flocked cloth or a raised cloth is used for the substrate sheet, it is completely inflexible, which is the same as when a conventional plastic sheet substrate is used. . With this, it is practically impossible to perform finish polishing,
【０００８】そこで、本発明は、従来のような二段階の
研磨工程を一段階とし、ワックスと混練した砥粒を研磨
中に補充しなくてもよいように従来の研磨工程を省力化
し、かつ研磨時間を短縮するために、仕上げ研磨を行え
る柔軟性を有する研磨シートまたは研磨テープを提供す
ることである。Therefore, the present invention uses the conventional two-step polishing step as one step, saves labor in the conventional polishing step so that the abrasive grains kneaded with the wax do not have to be replenished during polishing, and It is an object of the present invention to provide a flexible polishing sheet or polishing tape capable of performing final polishing so as to shorten the polishing time.
【０００９】[0009]
【課題を解決するための手段】上記の目的を達成するた
めに、本発明の研磨シートは、分散され且つ立ち上げら
れた基板シートの表面の毛の毛表面に研磨砥粒を付着さ
せたものである。好適には、基板シートは植毛布または
起毛布である。In order to achieve the above object, the polishing sheet of the present invention is one in which abrasive particles are attached to the hair surface of the surface of the substrate sheet which is dispersed and raised. Is. Suitably, the substrate sheet is a flocked or raised fabric.
【００１０】本発明の研磨シートの製造方法は、表面に
毛を有する基板シートに接着剤溶液を含浸させ、基板シ
ートの表面の毛を分散させ且つ立ち上げ、その毛の毛表
面に研磨砥粒を付着させる工程から成る。In the method for producing a polishing sheet of the present invention, a substrate sheet having bristles on its surface is impregnated with an adhesive solution to disperse and raise the bristles on the surface of the substrate sheet, and polishing bristles on the bristles of the bristles. Is attached.
【００１１】接着剤溶液は、接着剤と溶媒との混合液か
らなり、接着剤溶液に含浸させた基板シートの表面の毛
が分散され且つ立ち上げられたとき、毛の毛表面に接着
剤を残して揮発する。The adhesive solution is composed of a mixture of an adhesive and a solvent, and when the hair on the surface of the substrate sheet impregnated with the adhesive solution is dispersed and raised, the adhesive is applied to the hair surface of the hair. Volatilize leaving.
【００１２】接着剤溶液に含浸させた基板シートの表面
の毛を電界中で帯電させて、基板シートの表面の毛の各
々を、静電的反発力によって分散し且つ電界方向に立ち
上げる。The bristles on the surface of the substrate sheet impregnated with the adhesive solution are charged in an electric field to disperse each of the bristles on the surface of the substrate sheet by electrostatic repulsion and rise in the direction of the electric field.
【００１３】研磨砥粒は、基板シートの分散され且つ立
ち上げられた毛の毛表面に圧縮空気を利用して吹き付け
られて付着してもよく、研磨砥粒を基板シートの分散さ
れ且つ立ち上げられた毛の毛表面に回転円盤の遠心力を
利用して散布して付着してもよい。The abrasive grains may be sprayed and attached to the hair surface of the dispersed and raised hairs of the substrate sheet by using compressed air. The abrasive grains are dispersed and raised on the substrate sheet. You may spread and adhere to the hair surface of the obtained hair using the centrifugal force of a rotating disk.
【００１４】基板シートにアニオン性、カチオン性、ま
たは両性もしくは非イオン性の界面活性剤を含浸させる
ことで、接着剤溶液の基板シートへの含浸性を増加させ
ることができる。By impregnating the substrate sheet with an anionic, cationic, amphoteric or nonionic surfactant, the impregnation of the adhesive solution into the substrate sheet can be increased.
【００１５】研磨シートに非イオン性、またはアニオン
性の界面活性剤を含浸させて、その柔軟性を増加させる
ことができる。The polishing sheet can be impregnated with a nonionic or anionic surfactant to increase its flexibility.
【００１６】[0016]
【実施例】研磨シート製造装置 図５に、本発明の製造方法を実施する研磨シートの製造
装置を示す。EXAMPLE Polishing Sheet Manufacturing Apparatus FIG. 5 shows a polishing sheet manufacturing apparatus for carrying out the manufacturing method of the present invention.
【００１７】ボビン２２に巻き付けられた基板シート１
８を図５の矢印の方向に送り出し、接着剤溶液１９中を
くぐるように通過させて基板シート１８にこの接着剤溶
液１９を含浸させ、次いで、接着剤溶液を含浸した基板
シート１８を電界中に進入させる。Substrate sheet 1 wound around bobbin 22
5 is passed in the direction of the arrow in FIG. 5 and passed through the adhesive solution 19 so that the substrate sheet 18 is impregnated with the adhesive solution 19, and then the substrate sheet 18 impregnated with the adhesive solution is subjected to an electric field. To enter.
【００１８】この電界は、アースされた電極１０、高電
圧源１１、および針状電極１２からなる装置によって発
生され、針状電極１１には好適に負電圧が印加される。
一般に、印加される電圧は１０〜１００キロボルトであ
る。This electric field is generated by a device consisting of a grounded electrode 10, a high voltage source 11 and a needle electrode 12, to which a negative voltage is preferably applied.
Generally, the applied voltage is 10 to 100 kilovolts.
【００１９】アースされた電極１０は、その表面を基板
シート１８の下側表面が接触し、基板シート１８の上側
表面の毛の各々が密集しないように、つまり、基板シー
ト１８上方表面の毛の各々が相互に分散されやすいよう
に、好適に図５に示すような上方に湾曲した形状、つま
り、針状電極１１に向かって凸状に湾曲した形状をなし
ている。The grounded electrode 10 has its surface contacted by the lower surface of the substrate sheet 18 so that each of the bristles on the upper surface of the substrate sheet 18 are not clustered, that is, on the upper surface of the substrate sheet 18. Each of them is preferably curved upward as shown in FIG. 5, that is, convexly curved toward the needle-shaped electrode 11 so that they are easily dispersed.
【００２０】上記の基板シート１８が電界中にあると
き、基板シート１８上方表面の毛４の先端部分は、静電
誘導によって正の電荷２１が帯電して静電的反発力によ
って毛の各々が相互に分散し、さらに電界の方向に沿っ
て立ち上がる。このとき、毛細管現象によって基板シー
ト１８上方表面の毛の間に捕らえられていた接着剤溶液
１９が、毛の各々が分散し且つ立ち上がったことにより
解放され、分散し且つ立ち上がった毛の毛表面に接着剤
２０を残して揮発する。ここで、表面張力によって、接
着剤は毛の先端部分に特に多く残る（図６を参照）。When the substrate sheet 18 is in an electric field, the tips of the bristles 4 on the upper surface of the substrate sheet 18 are charged with a positive electric charge 21 by electrostatic induction, and each of the bristles is caused by electrostatic repulsion. They are mutually dispersed and rise along the direction of the electric field. At this time, the adhesive solution 19 trapped between the hairs on the upper surface of the substrate sheet 18 by the capillary phenomenon is released due to the dispersion and rise of each of the hairs, and the dispersed and raised hair surface of the hairs is released. The adhesive 20 remains and volatilizes. Here, due to the surface tension, the adhesive remains particularly large in the tip portion of the hair (see FIG. 6).
【００２１】次に、圧縮空気溜１４からの圧縮空気によ
って導かれた研磨砥粒１を散粉口１３から基板シート１
８上方表面に吹き付けて、研磨砥粒１を毛表面にまんべ
んなく付着させる。研磨砥粒を、回転円盤（図示せず）
の遠心力を利用して、基板シート上方表面に散布しても
よい。Next, the abrasive grains 1 guided by the compressed air from the compressed air reservoir 14 are passed through the dusting port 13 to the substrate sheet 1.
8 Spray on the upper surface to make the abrasive grains 1 adhere evenly to the hair surface. Rotating disk (not shown)
The centrifugal force may be used to spray the upper surface of the substrate sheet.
【００２２】研磨砥粉１は、一般に、平均粒径が１．０
μｍ〜４０μｍのダイヤモンド（C）、アルミナ（Al
2O3)、カーボランダム(SiC)、酸化クロム(Cr2O3)、酸化
鉄(Fe2O3)、等を用いるが、好適に平均粒径３μｍのア
ルミナである。The abrasive powder 1 generally has an average particle size of 1.0.
Diamond (C), Alumina (Al
2 O 3 ), carborundum (SiC), chromium oxide (Cr 2 O 3 ), iron oxide (Fe 2 O 3 ), etc. are used, but alumina having an average particle size of 3 μm is preferable.
【００２３】次に、乾燥部１５でこの基板シート１８を
乾燥し、さらに、基板シート１８の研磨砥粒１が付着し
た表面を下方に向け、振動部１６で未付着の研磨砥粒を
振るい落として本発明に従った研磨シートが製造され、
最後にボビン２３にその研磨シートは巻き込まれる。Next, the substrate sheet 18 is dried in the drying unit 15, the surface of the substrate sheet 18 to which the abrasive grains 1 are attached is directed downward, and the vibrating unit 16 shakes off the unattached abrasive grains. Is produced an abrasive sheet according to the present invention,
Finally, the polishing sheet is wound around the bobbin 23.
【００２４】ここで、基板シートに予めアニオン性、カ
チオン性、または両性もしくは非イオン性界面活性剤を
含浸させることによって接着剤溶液の含浸性が増し、研
磨シートに非イオン性、またはアニオン性の界面活性剤
を含浸させることによって研磨シートの柔軟性をより高
めることができる。Here, by impregnating the substrate sheet with an anionic, cationic, or amphoteric or nonionic surfactant in advance, the impregnating property of the adhesive solution is increased, and the polishing sheet is treated with a nonionic or anionic surfactant. By impregnating a surfactant, the flexibility of the polishing sheet can be further increased.
【００２５】例１ 基板シートとして、通常織布６に静電植毛された通常ピ
ーチスキンと呼ばれる植毛布を使用した研磨シートを図
３に示す。接着剤溶液は、接着剤と溶媒との混合液を使
用し、接着剤は酢酸ビニール樹脂を用い、溶媒はアセト
ンと酢酸ブチルとの混合溶媒を用いる。接着剤と溶媒と
の混合比は体積比で約１：２０である。 Example 1 FIG. 3 shows a polishing sheet using a flocked cloth, which is usually called peach skin, in which a normal woven cloth 6 is electrostatically flocked as a substrate sheet. As the adhesive solution, a mixed solution of an adhesive and a solvent is used, a vinyl acetate resin is used as the adhesive, and a mixed solvent of acetone and butyl acetate is used as the solvent. The mixing ratio of the adhesive and the solvent is about 1:20 by volume.
【００２６】ピーチスキン布よりも毛足が長い通常ベル
ベットまたはビロードと呼ばれる植毛布を基板シートと
して使用しても、全く同様の研磨シートを製造すること
ができる。The same abrasive sheet can be produced by using a flocked cloth, which is usually called velvet or velvet, which has a longer bristle than the peach skin cloth, as the substrate sheet.
【００２７】例２ 例１の植毛布に代えて、起毛布を使用した研磨シートを
図４に示す。ここで、接着剤溶液中に含まれる接着剤
は、実施例１の接着剤を使用してもよいが、この外に酢
酸ビニール樹脂エマルジョン系接着剤を使用してもよ
い。この場合、市販の界面活性剤を使用して、接着剤溶
液の基板シートへの含浸性を増加させる。 Example 2 An abrasive sheet using a raised cloth instead of the flocked cloth of Example 1 is shown in FIG. Here, as the adhesive contained in the adhesive solution, the adhesive of Example 1 may be used, but in addition to this, a vinyl acetate resin emulsion-based adhesive may be used. In this case, a commercially available surfactant is used to increase the impregnation of the adhesive solution into the substrate sheet.
【００２８】両例とも、起毛布および植毛布の研磨シー
トを市販の柔軟剤で処理することによって、それらの柔
軟性を増加させることができる。In both cases, the softness of the raised and flocked abrasive sheets can be increased by treating them with commercially available softeners.
【００２９】[0029]
【効果】本発明の方法に従い、この基板シート表面の毛
を分散させ且つ立ち上げて毛表面に研磨砥粒を付着させ
ることによって、研磨シート表面に層状のスラリーの塊
が形成されず、従来の硬質な研磨シートとは異なる、柔
軟性に富む研磨シートとなり、この研磨シートを使用す
る研磨において、研磨中に使用済み研磨シートを自動的
に順次巻き取ることで、従来のようにバフ布等のラップ
盤表面上に研磨中に砥粒を補充するという工程が省か
れ、かつ研磨時間を短縮できるという効果を奏する。[Effect] According to the method of the present invention, by dispersing and raising the bristles on the surface of the substrate sheet to adhere the abrasive grains to the bristles surface, a layered slurry agglomerate is not formed on the surface of the bristling sheet, which is Unlike a hard polishing sheet, it becomes a highly flexible polishing sheet.In polishing using this polishing sheet, by automatically winding the used polishing sheet sequentially during polishing, buff cloth etc. The effect that the step of replenishing abrasive grains on the surface of the lapping machine during polishing is omitted, and the polishing time can be shortened.
【図１】 植毛布上に砥粒とバインダー樹脂接着剤とを
混合したスラリーが層状塊を形成した状態を示す状態図
である。FIG. 1 is a state diagram showing a state in which a slurry obtained by mixing abrasive grains and a binder resin adhesive on a flocked cloth forms a layered mass.
【図２】 起毛布上に砥粒とバインダー樹脂接着剤とを
混合したスラリーが層状塊を形成した状態を示す状態図
である。FIG. 2 is a state diagram showing a state in which a slurry obtained by mixing abrasive grains and a binder resin adhesive on a raised fabric forms a layered mass.
【図３】 本発明に従って製造された、植毛布を基板シ
ートとした研磨シートの毛表面付近の断面図である。FIG. 3 is a cross-sectional view near a bristle surface of an abrasive sheet using a flocked cloth as a substrate sheet, manufactured according to the present invention.
【図４】 本発明に従って製造された、起毛布を基板シ
ートとした研磨シートの毛表面付近の断面図である。FIG. 4 is a cross-sectional view near a bristle surface of a polishing sheet using a raised cloth as a substrate sheet manufactured according to the present invention.
【図５】 本発明の製造方法に従った、研磨シート製造
装置の概念図である。FIG. 5 is a conceptual diagram of a polishing sheet manufacturing apparatus according to the manufacturing method of the present invention.
【図６】 電界によって、植毛布の毛の先端が帯電して
相互に反発し、その状態で、毛の先端部に砥粒が付着し
た状態を示す状態図である。FIG. 6 is a state diagram showing a state where the tips of the bristles of the flocked cloth are charged with each other by an electric field and repel each other, and in this state, abrasive grains are attached to the tips of the bristles.
１ 砥粒 ２ スラリー ３ 層状をなしたスラリーの塊 ４ 植毛 ５ 植毛バインダー ６ 通常織布 ７ 織毛布 ８ 起毛 ９ 起毛布 １０ アース側電極 １１ 高電圧源 １２ 針状電極 １３ 散粉口 １４ 圧縮空気溜 １５ 乾燥部 １６ 振動部 １７ 砥粒回収溜 １８ 基板シート １９ 接着剤溶液 ２０ 残留接着剤 ２１ 帯電電荷（＋） ２２ ボビン ２３ ボビン DESCRIPTION OF SYMBOLS 1 Abrasive grain 2 Slurry 3 Layered slurry mass 4 Flocking 5 Flocking binder 6 Normal woven fabric 7 Woven blanket 8 Raising 9 Raising cloth 10 Earth side electrode 11 High voltage source 12 Needle-like electrode 13 Dust port 14 Compressed air reservoir 15 Drying part 16 Vibrating part 17 Abrasive grain collecting reservoir 18 Substrate sheet 19 Adhesive solution 20 Residual adhesive 21 Charged electric charge (+) 22 Bobbin 23 Bobbin
Claims (9)
れた毛の毛表面に研磨砥粒を付着させて成る研磨シー
ト。1. A polishing sheet comprising abrasive particles adhered to the surface of dispersed and raised hair on a substrate sheet.
から成る、請求項１記載の研磨シート。2. The polishing sheet according to claim 1, wherein the substrate sheet comprises a flocked cloth or a raised cloth.
液を含浸させ、前記基板シートの表面の毛を分散させ且
つ立ち上げ、その分散され且つ立ち上げられた毛の毛表
面に研磨砥粒を付着させることで研磨シートを製造する
方法。3. A substrate sheet having bristles on its surface is impregnated with an adhesive solution to disperse and raise the bristles on the surface of the substrate sheet, and the abrasive grains on the bristles of the dispersed and raised bristles. A method for producing a polishing sheet by attaching the.
液からなり、混合液が、前記基板シートの毛が分散され
且つ立ち上げられたとき、前記毛の毛表面に前記接着剤
を残して揮発することを特徴とする、請求項３記載の研
磨シート製造方法。4. The adhesive solution comprises a mixed liquid of an adhesive and a solvent, and the mixed liquid causes the adhesive to adhere to the hair surface of the hair when the hair of the substrate sheet is dispersed and raised. The method for producing a polishing sheet according to claim 3, wherein the polishing sheet is volatilized while remaining.
ートの表面の毛を電界中で帯電させ、前記基板シートの
表面の毛の各々が静電的反発力によって分散し、且つ電
界方向に立ち上がることを特徴とする、請求項３記載の
研磨シート製造方法。5. The bristles on the surface of the substrate sheet impregnated with the adhesive solution are charged in an electric field, each of the bristles on the surface of the substrate sheet is dispersed by electrostatic repulsion, and in the direction of the electric field. 4. The method for manufacturing an abrasive sheet according to claim 3, wherein the method is to stand up.
記基板シートの分散され且つ立ち上げられた毛の毛表面
に吹き付けて付着させることを特徴とする、請求項３記
載の研磨シート製造方法。6. The polishing sheet according to claim 3, wherein the polishing abrasive grains are sprayed and adhered to the hair surface of the dispersed and raised hairs of the substrate sheet by using compressed air. Production method.
砥粒を前記基板シートの分散され且つ立ち上げられた毛
の毛表面に散布し付着させることを特徴とする、請求項
３記載の研磨シート製造方法。7. The centrifugal force of a rotating disk is used to disperse and adhere the abrasive grains to the surface of the dispersed and raised bristles of the substrate sheet. Method for manufacturing abrasive sheet.
ン性、または両性もしくは非イオン性界面活性剤を含浸
させて、前記接着剤溶液の含浸性を増加させることを特
徴とする、請求項３記載の研磨シート製造方法。8. The substrate sheet is impregnated with an anionic, cationic, or amphoteric or nonionic surfactant to increase the impregnation of the adhesive solution. Method for manufacturing abrasive sheet.
せるため、非イオン性、またはアニオン性の界面活性剤
に含浸させることを特徴とする、請求項３記載の研磨シ
ート製造方法。9. The method for producing a polishing sheet according to claim 3, wherein the polishing sheet is impregnated with a nonionic or anionic surfactant in order to increase its flexibility.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32084993A JP3343873B2 (en) | 1993-11-29 | 1993-11-29 | Polishing sheet and method for producing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32084993A JP3343873B2 (en) | 1993-11-29 | 1993-11-29 | Polishing sheet and method for producing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07156070A true JPH07156070A (en) | 1995-06-20 |
| JP3343873B2 JP3343873B2 (en) | 2002-11-11 |
Family
ID=18125937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32084993A Expired - Fee Related JP3343873B2 (en) | 1993-11-29 | 1993-11-29 | Polishing sheet and method for producing the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3343873B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6183346B1 (en) | 1998-08-05 | 2001-02-06 | 3M Innovative Properties Company | Abrasive article with embossed isolation layer and methods of making and using |
| US6186866B1 (en) | 1998-08-05 | 2001-02-13 | 3M Innovative Properties Company | Abrasive article with separately formed front surface protrusions containing a grinding aid and methods of making and using |
| US6299508B1 (en) | 1998-08-05 | 2001-10-09 | 3M Innovative Properties Company | Abrasive article with integrally molded front surface protrusions containing a grinding aid and methods of making and using |
-
1993
- 1993-11-29 JP JP32084993A patent/JP3343873B2/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6183346B1 (en) | 1998-08-05 | 2001-02-06 | 3M Innovative Properties Company | Abrasive article with embossed isolation layer and methods of making and using |
| US6186866B1 (en) | 1998-08-05 | 2001-02-13 | 3M Innovative Properties Company | Abrasive article with separately formed front surface protrusions containing a grinding aid and methods of making and using |
| US6299508B1 (en) | 1998-08-05 | 2001-10-09 | 3M Innovative Properties Company | Abrasive article with integrally molded front surface protrusions containing a grinding aid and methods of making and using |
| US6312315B1 (en) | 1998-08-05 | 2001-11-06 | 3M Innovative Properties Company | Abrasive article with separately formed front surface protrusions containing a grinding aid and methods of making and using |
| US6364747B1 (en) | 1998-08-05 | 2002-04-02 | 3M Innovative Properties Company | Abrasive article with embossed isolation layer and methods of making and using |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3343873B2 (en) | 2002-11-11 |
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