WO2018180834A1 - 手持ち式バリ取り機 - Google Patents
手持ち式バリ取り機 Download PDFInfo
- Publication number
- WO2018180834A1 WO2018180834A1 PCT/JP2018/011282 JP2018011282W WO2018180834A1 WO 2018180834 A1 WO2018180834 A1 WO 2018180834A1 JP 2018011282 W JP2018011282 W JP 2018011282W WO 2018180834 A1 WO2018180834 A1 WO 2018180834A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- polishing
- end member
- main body
- cylindrical
- cylindrical front
- Prior art date
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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
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/005—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents using brushes
-
- 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
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
-
- 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
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
-
- 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
- B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the 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
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
-
- 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
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
- B24B29/06—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces for elongated workpieces having uniform cross-section in one main direction
- B24B29/08—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces for elongated workpieces having uniform cross-section in one main direction the cross-section being circular, e.g. tubes, wires, needles
-
- 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
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
Definitions
- the present invention relates to a handheld deburring machine suitable for polishing a workpiece surface, particularly for removing burrs on a surface of a machining hole provided in the workpiece.
- a burr is likely to occur at the opening edge where the machining hole formed later intersects the machining hole formed earlier.
- a polishing brush obtained by bundling a large number of polishing wires is inserted into the processing hole while being driven to rotate around the longitudinal axis of the polishing brush by a motor. Is known to remove burrs by the method (Patent Documents 1 and 2).
- the present invention is a deburring machine using a polishing brush in which a large number of polishing wires are bundled as described above, and is a hand-held type deburring operation that allows an operator to carry out deburring work easily.
- the purpose is to provide a take-off machine.
- the present invention A main body that is connected to a polishing brush having a plurality of polishing wires extending rearward from the front end, and includes a motor that rotates and drives the polishing brush around an axis extending in the front-rear direction;
- a cylindrical front end member attached so as to surround the periphery of the front end portion of the polishing wire;
- a guide member that is attached to the cylindrical front end member and extends rearward and is supported by the main body so as to be displaceable in the front-rear direction so that the cylindrical front end member can be displaced rearward along the polishing brush;
- this hand-held deburring machine an operator holds the main body by hand, contacts the cylindrical front end member in alignment with the opening of the processing hole provided in the workpiece, and pushes the main body toward the processing hole.
- the polishing brush can be advanced from the cylindrical front end member into the machining hole. Therefore, the polishing wire of the polishing brush that has been advanced into the processing hole is rotated by a motor to open radially outward by centrifugal force, and the inner surface of the processing hole can be polished to remove burrs in the processing hole. .
- the operator can easily deburr the work hole of the workpiece by holding the deburring machine.
- the polishing wire is not It can be kept safe without spreading.
- the cylindrical front end member and the processing hole are inserted so that the cylindrical front end member is partially inserted into the opening of the processing hole provided in the workpiece and can be engaged with the edge of the opening. It can be made easier to match.
- the cylindrical front end member may have an engaging portion that engages with a surface surrounding the processing hole of the workpiece when polishing in the processing hole provided in the workpiece. Accordingly, the handheld deburring machine can be supported more stably during the polishing operation.
- the main body can be provided with a pistol grip-like gripping portion that can grip the main body with the polishing brush facing forward. Since the work can be performed with a pistol grip-like gripping portion, the work can be performed while looking at the work hole to be worked, and the body can be easily moved back and forth.
- the guide member has a retraction stopper, and when the guide member retreats by a predetermined distance, the retraction stopper engages with the main body to stop the retraction of the guide member. By doing so, the distance by which the polishing brush is advanced can be limited according to the deburring position in the machining hole.
- the guide member may be biased forward with respect to the main body so that the cylindrical front end member has a biasing member that surrounds the front end portion of the polishing wire. It can. Thereby, it is possible to always return to the initial state when the polishing brush is pulled out from the processing hole.
- the motor is a pneumatic motor, and has a rotating shaft that is axially aligned and connected to the polishing brush, and the rotation stopper is engaged with a rear portion of the rotating shaft extending rearward from the motor, and The rotation of the rotating shaft can be prevented.
- the rotation stopper is attached to the guide member, and the guide member can be moved away from the rear portion of the rotation shaft by moving the guide member backward relative to the main body. Accordingly, when the polishing brush is moved forward from the cylindrical front end member supported by the guide member, the polishing brush can be driven to rotate.
- the guide member includes a front end support member that supports the cylindrical front end member, and at least two members that extend rearward from the front end support member in parallel with the plurality of polishing wires and are slidably supported by the main body in the front-rear direction. It can be provided with two mutually spaced guide rods. By doing in this way, a cylindrical front end member can be made into three-point support with respect to a main body, and a cylindrical front end member can be moved in the front-back direction stably.
- the front end support member has a substantially triangular shape with a portion supporting the cylindrical front end member as one apex, and the guide rod extends rearward from a portion adjacent to the other apex. it can.
- FIG. 2 is a longitudinal sectional view showing a main part of the hand-held deburring machine of FIG. 1, showing a state when a polishing brush is projected forward.
- FIG. 2 is a front view of a cylindrical front end member surrounding the periphery of a front end portion of a polishing brush and a front end support member that supports the cylindrical front end member in the handheld deburring machine of FIG.
- Sectional drawing which shows the cylindrical front end member of the state which aligned and engaged with the processing hole when performing the deburring in the processing hole provided in the workpiece using the handheld deburring machine of FIG. It is.
- FIG. 3 is a cross-sectional view of a cylindrical front end member suitable for stably engaging a flat surface of a workpiece.
- FIG. 10 is a cross-sectional view of a cylindrical front end member similar to FIG. 9 but having a short cylindrical portion inserted into the machining hole.
- a handheld deburring machine 10 includes a polishing brush 12, a main body 18 having a pistol grip type holding portion 18 a that can be handheld by an operator, and a front end portion of the polishing brush 12. And a guide member 22 attached to the cylindrical front end member 20 and extending rearward and supported by the main body 18.
- the polishing brush 12 has a long and narrow cylindrical shape by bundling a large number of polishing wires 12a extending from the front end toward the rear.
- the main body 18 includes a motor 14, and the motor 14 is connected to the rear end of the polishing brush 12 to rotate the polishing brush 12 about an axis X extending in the front-rear direction.
- the guide member 22 is supported by the main body 18 so as to be displaceable in the front-rear direction, and the cylindrical front end member 20 attached to the guide member 22 can be displaced rearward along the polishing brush 12 as shown in FIG. .
- the polishing brush 12 includes a cylindrical bundling member 12b that bundles the rear ends of a large number of polishing wires 12a so that the polishing wire 12a has a cylindrical shape as a whole, and a connecting member that extends rearward from the bundling member 12b.
- the connecting rod 12c has a rear end inserted into a cylindrical front extension 14b of the rotating shaft 14a of the motor 14 and fixed.
- a deburring brush made of ceramic fiber manufactured by Xebec Co., Ltd. can be used as the polishing brush 12.
- the motor 14 is a turbine motor that is driven by compressed air introduced through the compressed air receiving pipe 24 when the user grips the grip portion 18a with one hand and pushes the trigger 24a.
- the compressed air can change the direction of supply to the motor 14 by switching the flow path of the valve member 24b with a knob (not shown), whereby the forward / reverse rotation of the motor 14 can be switched. This makes it easier to remove burrs that have fallen due to rotation in one direction by rotation in the opposite direction.
- the valve member 24b also functions as a compressed air flow rate adjustment valve, and by adjusting the flow rate, the rotational speed of the motor 14 can be adjusted, whereby the polishing force by the polishing brush 12 can be adjusted. ing.
- the guide member 22 is fixed to the front end support member 22a and fixedly supported by the front end support member 22a.
- the guide member 22 extends rearward and is inserted into the support hole 18b of the main body 18 so as to be slidable in the front-rear direction (hereinafter referred to as the front end support member 22a).
- the front end support member 22a has a substantially triangular shape with a portion supporting the cylindrical front end member 20 as one vertex, and the two guide rods 22b extend rearward from a portion adjacent to the other vertex. The other is configured to extend rearward from an intermediate position between the two guide rods 22b.
- a stopper 22c is fixed to the guide rod 22b at an intermediate position so that the position can be adjusted.
- the guide rod 22b is displaced backward by a predetermined distance with respect to the main body 18, as shown in FIG. To prevent the guide rod 22b from being displaced (retracted) (and hence the cylindrical front end member 20).
- the three guide rods 22b extend further rearward from the main body 18, and a motor stopper 26 aligned with the rotating shaft 14a of the motor 14 in the axial direction is fixed to the rear end thereof.
- the motor stopper 26 includes a stopper supporting member 26a fixed to the rear end of the guide rod 22b, a position adjusting screw 26b screwed to the stopper supporting member 26a, and a position adjusting screw.
- a stopper body 26d fixed to the tip of 26b.
- the stopper body 26d is provided with a stopper portion 26c made of urethane or the like that receives the rear end of the rotating shaft 14a of the motor 14 and prevents the rotating shaft 14a from rotating.
- the stopper portion 26c When the cylindrical front end member 20 is around the front end of the polishing brush 12 as shown in FIG. 1, the stopper portion 26c receives the rear end of the rotating shaft 14a and prevents its rotation. Further, when the guide member 22 moves rearward with respect to the main body 18 so that the cylindrical front end member 20 moves rearward relative to the front end portion of the polishing brush 12 in order to perform the deburring operation, the stopper portion 26c rotates the rotation shaft. The rotation of the rotary shaft 14a is allowed to be separated from the rear end of 14a.
- the position adjusting screw 26b is adapted to adjust the axial position of the stopper main body 26d by screwing it.
- a compression coil spring 22d is provided between the main body 18 and the front end support member 22a around the two guide rods 22b on both sides of the guide rod 22b to which the stopper 22c is fixed, and the cylindrical front end member 20 is polished.
- the front end support member 22a is urged so as to be positioned around the front end of the brush 12.
- the guide rod 22b is graduated along its length so that the retreating amount of the guide member 22 with respect to the polishing brush 12 (thus, the distance that the polishing brush 12 has advanced into the machining hole) can be known. It is preferable.
- the cylindrical front end member 20 is aligned with the machining hole h by engaging with the edge. If the main body 18 is advanced toward the workpiece W while rotationally driving the polishing brush 12 in this state, the polishing brush 12 advances into the processing hole h, and the polishing wire 12a is opened radially outward by centrifugal force and processed.
- the inner peripheral surface of the hole h is polished to remove burrs generated on the inner peripheral surface.
- the cylindrical front end member 20 becomes the polishing wire 12a.
- the position should be around the front edge of the.
- the cylindrical front end member 20 is replaceable with respect to the front end support member 22a in accordance with the hole diameter of the machining hole h, and the polishing brush 12 is also replaceable with respect to the cylindrical front extension portion 14b. Yes.
- FIG. 5 shows a modified example of the cylindrical front end member 20 that is suitable for removing burrs generated at the intersecting portion where the machining hole h1 intersecting the machining hole h is close to the surface of the workpiece. That is, in this cylindrical front end member 20, the radius of the front portion of the hole 20b through which the polishing brush 12 passes is gradually increased toward the front, and the radius immediately after the polishing wire 12a enters the processing hole h. Easy to open in the direction.
- the cylindrical front end member 20 is not provided with a tapered surface 20a unlike the cylindrical front end member 20 shown in FIG.
- FIG. 6 shows an example of the cylindrical front end member 20 suitable for the case where a large-diameter hole h2 is provided on the surface side of the workpiece W of the machining hole h for deburring.
- the cylindrical front end member 20 has a long and narrow shape so that the tapered surface 20a of the cylindrical front end member 20 is engaged with the opening edge of the processing hole h at a deep position.
- FIG. 7 shows an example in which a cylindrical portion 20c extending in front of the tapered surface 20a is provided in order to stably engage the cylindrical front end member 20 with the machining hole h.
- FIG. 8 shows a modified example of the cylindrical front end member 20 suitable for a case where the workpiece W has a cylindrical shape and a hole h3 extending in the longitudinal direction at the center intersects with a machining hole h extending in the diameter direction.
- the front end surface 20d of the cylindrical front end member 20 is a concave surface having a curvature corresponding to the outer surface of the cylindrical workpiece W.
- FIG. 9 shows an example in which an annular flange 20e is provided instead of the tapered surface 20a, and the cylindrical front end member 20 is stably engaged with the workpiece W.
- FIG. 10 shows a structure having a short cylindrical portion 20f that enters the machining hole h together with a similar flange 20e.
- the cylindrical front end member 20 can be easily aligned with the machining hole h by the cylindrical portion 20f, and the cylindrical front end member 20 in operation can be more stabilized by the flange 20e.
- the present invention is not limited to this.
- the front end support member 22a shown in FIG. 3 has a substantially triangular shape. This is when the machining hole h that needs to be deburred is at a corner (corner portion) limited by the corner wall of the workpiece W.
- the front end support member 22a can be easily advanced into the same corner, and can have a required shape other than a triangle.
- the motor is not limited to a pneumatic motor, and may be an electric motor.
- the handheld deburring machine according to the present invention is suitable for deburring in a processed hole, but can also be used for polishing the surface of the processed hole.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
Description
前端から後方に向けて延びる複数の研磨用線材を有する研磨ブラシに連結されて該研磨ブラシを前後方向に延びる軸線を中心に回転駆動するモータを備える、作業者による手持ち可能とされた本体と、
該研磨用線材の前端部分の周囲を囲むように取り付けられる筒状前端部材と、
該筒状前端部材に取り付けられ後方に延びて該本体に前後方向で変位可能に支持されることにより該筒状前端部材を該研磨ブラシに沿って後方に変位可能とするガイド部材と、
を有し、
該研磨ブラシを該筒状前端部材から前方に押し出し回転することにより該研磨ブラシによるバリ取り作業を行うようにした手持ち式バリ取り機を提供する。
このようにすることにより筒状前端部材を本体に対して三点支持とすることができ、筒状前端部材を安定して前後方向で動かすことができる。
前端支持部材を略三角形状にすることにより、バリ取りが必要な加工穴がワークピースのコーナ壁によって制限された角部(コーナ部)にある場合、同角部内に容易に進められるようにすることを可能とする。
ワークピースW;
軸線X;
手持ち式バリ取り機10;
研磨ブラシ12;
研磨用線材12a;
筒状の結束部材12b;
連結用ロッド12c;
モータ14;
回転軸14a;
筒状前方延長部14b;
本体18;
把持部18a;
支持孔18b;
筒状前端部材20;
先細り面20a;
孔20b;
筒状部分20c;
前端面20d;
フランジ20e;
筒状部分20f;
ガイド部材22;
前端支持部材22a;
ガイドロッド22b;
ストッパー22c(後退ストッパー);
圧縮コイルバネ22d(付勢部材);
圧搾空気受入れ管24;
トリガー24a;
弁部材24b;
モータストッパー26(回転ストッパー);
ストッパー支持部材26a;
位置調整ネジ26b;
ストッパー部26c;
ストッパー本体26d
Claims (11)
- 前端から後方に向けて延びる複数の研磨用線材を有する研磨ブラシに連結されて該研磨ブラシを前後方向に延びる軸線を中心に回転駆動するモータを備える、作業者による手持ち可能とされた本体と、
該研磨用線材の前端部分の周囲を囲むように取り付けられる筒状前端部材と、
該筒状前端部材に取り付けられ後方に延びて該本体に前後方向で変位可能に支持されることにより該筒状前端部材を該研磨ブラシに沿って後方に変位可能とするガイド部材と、
を有し、
該研磨ブラシを該筒状前端部材から前方に押し出して回転することにより該研磨ブラシによるバリ取り作業を行うようにした手持ち式バリ取り機。 - 該筒状前端部材がワークピースに設けられた加工穴の開口に部分的に挿入されて該開口の縁に係合可能とされている請求項1に記載の手持ち式バリ取り機。
- ワークピースに設けられた加工穴内の研磨を行うときに該ワークピースの該加工穴を囲む面に係合する係合部を該筒状前端部材が有するようにようにした請求項1又は2に記載の手持ち式バリ取り機。
- 該本体が、該研磨ブラシを前方に向けた状態で該本体を把持可能とするピストルグリップ状の把持部を有する請求項1乃至3のいずれか一項に記載の手持ち式バリ取り機。
- 該ガイド部材が後退ストッパーを有し、該ガイド部材が後退したときに該後退ストッパーが該本体に係合して該ガイド部材の後退を停止させるようにした請求項1乃至4のいずれか一項に記載の手持ち式バリ取り機。
- 該ガイド部材を該本体に対して前方に付勢して該筒状前端部材が該研磨用線材の前端部分の周囲を囲む位置となるようにする付勢部材を有する請求項1乃至5のいずれか一項に記載の手持ち式バリ取り機。
- 該筒状前端部材が該研磨用線材の前端部分の周囲を囲む位置にあるときに該モータの回転を阻止する回転ストッパーを備える請求項1乃至6のいずれか一項に記載の手持ち式バリ取り機。
- 該モータは、空気圧モータであり、該研磨ブラシと軸線方向で整合されて連結された回転軸を有しており、該回転ストッパーは該モータから後方に延びる該回転軸の後方部分と係合して、該回転軸の回転を阻止するようにされている請求項7に記載の手持ち式バリ取り機。
- 該回転ストッパーは、該ガイド部材に取り付けられ、該ガイド部材が該本体に対して相対的に後方に動かされることにより該回転軸の後方部分から離れるようにされている請求項8に記載の手持ち式バリ取り機。
- 該ガイド部材は該筒状前端部材を支持する前端支持部材と、該前端支持部材から後方に該複数の研磨用線材に平行に延びて該本体に前後方向で摺動可能に支持された少なくとも2つの相互に間隔のあけられたガイドロッドと有する請求項1乃至9のいずれか一項に記載の手持ち式バリ取り機。
- 該前端支持部材は該筒状前端部材を支持する部分を1つの頂点とする略三角形状とされ、該ガイドロッドは他の頂点に隣接する部分から後方に延びるようにされている請求項10に記載の手持ち式バリ取り機。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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KR1020197029872A KR102284904B1 (ko) | 2017-03-29 | 2018-03-22 | 휴대식 버 제거기 |
CN201880022586.8A CN110475645B (zh) | 2017-03-29 | 2018-03-22 | 手持式去毛刺机 |
EP18776242.2A EP3603884B1 (en) | 2017-03-29 | 2018-03-22 | Hand-held deburring machine |
JP2019509632A JP6810248B2 (ja) | 2017-03-29 | 2018-03-22 | 手持ち式バリ取り機 |
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JP2017-064893 | 2017-03-29 | ||
JP2017064893 | 2017-03-29 |
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WO2018180834A1 true WO2018180834A1 (ja) | 2018-10-04 |
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PCT/JP2018/011282 WO2018180834A1 (ja) | 2017-03-29 | 2018-03-22 | 手持ち式バリ取り機 |
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EP (1) | EP3603884B1 (ja) |
JP (1) | JP6810248B2 (ja) |
KR (1) | KR102284904B1 (ja) |
CN (1) | CN110475645B (ja) |
TW (1) | TWI708659B (ja) |
WO (1) | WO2018180834A1 (ja) |
Citations (10)
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JPH0586455U (ja) | 1992-05-07 | 1993-11-22 | 日本電子機器株式会社 | 筒状ワーク用バリ取りブラシ装置 |
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EP3603884B1 (en) | 2024-02-28 |
KR20190128680A (ko) | 2019-11-18 |
KR102284904B1 (ko) | 2021-08-02 |
EP3603884A1 (en) | 2020-02-05 |
EP3603884A4 (en) | 2020-12-02 |
TW201840384A (zh) | 2018-11-16 |
JP6810248B2 (ja) | 2021-01-06 |
TWI708659B (zh) | 2020-11-01 |
CN110475645B (zh) | 2022-05-27 |
CN110475645A (zh) | 2019-11-19 |
JPWO2018180834A1 (ja) | 2020-01-16 |
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