WO2020105291A1 - 拡径孔部削成装置 - Google Patents
拡径孔部削成装置Info
- Publication number
- WO2020105291A1 WO2020105291A1 PCT/JP2019/039096 JP2019039096W WO2020105291A1 WO 2020105291 A1 WO2020105291 A1 WO 2020105291A1 JP 2019039096 W JP2019039096 W JP 2019039096W WO 2020105291 A1 WO2020105291 A1 WO 2020105291A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hole
- cutting
- diameter
- tip
- suction port
- Prior art date
Links
- 230000002093 peripheral effect Effects 0.000 claims description 14
- 238000002679 ablation Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 description 42
- 230000004048 modification Effects 0.000 description 14
- 238000012986 modification Methods 0.000 description 14
- 238000003780 insertion Methods 0.000 description 12
- 230000037431 insertion Effects 0.000 description 12
- 238000005553 drilling Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/0018—Drills for enlarging a hole
- B23B51/0045—Drills for enlarging a hole by expanding or tilting the toolhead
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/14—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/18—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by milling, e.g. channelling by means of milling tools
- B28D1/186—Tools therefor, e.g. having exchangeable cutter bits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/02—Accessories specially adapted for use with machines or devices of the preceding groups for removing or laying dust, e.g. by spraying liquids; for cooling work
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
- E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
Definitions
- the present invention relates to a diameter expansion hole cutting device.
- the expansion hole forming device of the anchor bolt planting hole of Patent Document 1 As a conventional expansion hole forming device, the expansion hole forming device of the anchor bolt planting hole of Patent Document 1 is known.
- this diameter expansion hole cutting device when cutting the diameter expansion hole in the hole wall, the hole wall cutting blade moves in the guide groove. As this movement progresses, the hole wall cutting blade projects to the outside of the guide head to form the enlarged diameter hole portion.
- the present invention has been made to solve such a problem, and for example, as a measure to prevent dust emission and a measure to reduce exposure to dust, it is possible to reduce the diameter of the enlarged diameter hole portion that can efficiently remove dust.
- the purpose is to provide a device.
- a diameter-expanded hole cutting device is a diameter-expanded hole part cutting device for cutting a diameter-expanded hole part in a hole formed in a workpiece, and a shaft part, A tip end surface provided on the side opposite to the shaft portion side, and a guide body provided with an inclined surface inclined from the shaft portion side toward the tip end surface side in a direction away from the central axis of the shaft portion.
- a bow jaw having and a cutter blade having a cutting portion provided at a tip and having a cutting portion slidable along the inclined surface, and the bow jaw having a flow passage in which a suction port opens to the tip surface. It further has a suction passage including.
- the guide body has a pair of the inclined surfaces sandwiching the central axis, and a concave portion that is open to an outer peripheral surface between the pair of inclined surfaces and the tip surface. And may have.
- the guide body may have a first groove portion that is connected to the opening of the recess provided in the tip surface and the suction port.
- the suction passage may include a second branch passage that branches from the flow passage and opens to the inclined surface.
- the dust on the inclined surface can be sucked from the suction port of the second branch passage and efficiently removed.
- the expanded diameter hole cutting device may have a second groove portion that is open to the inclined surface and that is connected to the suction port on the tip surface.
- the dust on the inclined surface is guided to the suction port by the second groove portion, so that the dust can be efficiently sucked and removed.
- the present invention has an effect that it is possible to provide a diameter-expanded hole portion cutting device having the configuration described above and capable of efficiently removing dust.
- FIG. 1A is a view of the enlarged diameter hole cutting device according to the embodiment of the present invention as viewed from the recess side.
- FIG. 1B is a partial cross-sectional view showing a part of the expanded diameter hole cutting device of FIG.
- FIG. 2A is a view of the enlarged diameter hole cutting device of FIG. 1A viewed from the inclined surface side.
- FIG. 2B is a partial cross-sectional view showing a part of the expanded diameter hole cutting device of FIG. 2A.
- FIG. 3A is a diagram of the shank viewed from the side.
- FIG.3 (b) is sectional drawing of a shank.
- FIG. 4A is a view of the cutter blade viewed from the side.
- FIG. 7B is a view of the bow jaw of FIG. 7A viewed from the inclined surface side.
- FIG.7 (c) is the figure which looked at the bow jaw of FIG.7 (a) from the front end side.
- Fig.8 (a) is the figure which looked at the bow jaw of the diameter expansion hole part cutting device which concerns on the modification 2 of embodiment of this invention from the recessed part side.
- FIG. 8B is a view of the bow jaw of FIG. 8A viewed from the inclined surface side.
- FIG. 8C is a view of the bow jaw of FIG. 8A viewed from the tip end side.
- FIG. 9 (a) is a view of the bow jaw of the diameter-expanded hole cutting device according to the modified example 3 of the embodiment of the present invention as viewed from the recess side.
- FIG. 9B is a view of the bow jaw of FIG. 9A viewed from the inclined surface side.
- FIG. 9C is a diagram of the bow jaw of FIG. 9A viewed from the tip
- the diameter-expanded hole portion cutting device 10 As shown in FIGS. 1 (a) and 2 (b), the diameter-expanded hole portion cutting device 10 according to the embodiment of the present invention has holes already formed in the workpiece B (pre-formed holes H). ) Is a shaving device for forming the enlarged diameter hole portion E.
- the central axis G of the enlarged diameter hole cutting device 10 is also the central axis of each of the shank 20, the cutter blade 30, and the bow jaw 40, and is equal to the axis of rotation around which these rotate. Further, the side of the cutter blade 30 with respect to the shank 20 is referred to as a tip side, and the opposite side thereof is referred to as a base side. However, the arrangement of the enlarged diameter hole cutting device 10 is not limited to this.
- the shank 20 has a mounting portion 21 and an exterior portion 22.
- the mounting portion 21 has a shape such as a prism and a cylinder, is provided on the proximal end side of the exterior portion 22, and is formed integrally with the exterior portion 22 coaxially with the exterior portion 22.
- the exterior part 22 has a columnar shape and has a first insertion hole 23, a communication hole 24, and an elongated hole 25.
- the first insertion hole 23 has a cylindrical shape, extends in the axial direction inside the exterior portion 22, opens on the distal end side of the exterior portion 22, and is closed on the proximal end side.
- the communication hole 24 penetrates the exterior part 22 from the first insertion hole 23 to one side in the direction orthogonal to the axial direction, and is provided on the tip side of the elongated hole 25, for example.
- the long hole 25 penetrates the exterior portion 22 on both sides from the first insertion hole 23 in the direction orthogonal to the axial direction, and extends in the axial direction.
- a first cylindrical groove 26 is provided on the outer peripheral surface of the exterior part 22.
- the first cylindrical groove 26 is a groove into which the O-ring 70 (FIG. 1A) is mounted, and is arranged between the communication hole 24 and the elongated hole 25 in the axial direction.
- the first cylindrical groove 26 extends annularly around the central axis of the exterior portion 22, is recessed from the outer peripheral surface of the exterior portion 22, and opens on the outer peripheral surface of the exterior portion 22.
- a locking part is provided at the tip of the exterior part 22.
- the locking portion is composed of, for example, a pair of cutout portions 27, and the pair of cutout portions 27 are arranged so as to sandwich the first insertion hole 23 therebetween in a direction orthogonal to the axial direction. There is.
- the cutout portion 27 is recessed from the tip of the exterior portion 22 to the base end side.
- the cutter blade 30 has a connecting portion 31 and a pair of cutting portions 32.
- the cutter blade 30 may have one or three or more cutting parts 32.
- the connecting portion 31 has a cylindrical shape, has a second insertion hole 33 that penetrates in the axial direction, and has a locked portion at the base end.
- the locked portion includes, for example, a pair of protrusions 34, and the protrusion 34 projects from the base end of the connecting portion 31.
- the pair of cutting parts 32 are arranged in parallel so as to sandwich the axis of the connecting part 31 between them, and are arranged so that the inner surfaces thereof face each other.
- the cutting portion 32 has a plate shape and projects in the axial direction from the tip of the connecting portion 31.
- the cutting part 32 is curved in the circumferential direction around the axis of the connecting part 31, and the inner surface is formed by a curved surface.
- the cutting portion 32 has flexibility in a direction orthogonal to the inner surface, and the pair of cutting portions 32 can bend so that the distance between them can be changed.
- a blade portion 35 is provided at the tip of the cutting portion 32.
- the blade portion 35 has a tip shape and is arranged at the center of the cutting portion 32 in the circumferential direction.
- the blade portion 35 projects from each of the outer surface of the cutting portion 32 opposite to the inner surface and the edge surface of the tip.
- the bow jaw 40 has a shaft portion 41 and a guide body 42, and a suction passage 80 is provided inside.
- the shaft portion 41 is a columnar rod-shaped body, and the guide body 42 is substantially columnar.
- the shaft portion 41 is arranged closer to the base end side than the guide body 42 and is formed coaxially and integrally with the guide body 42.
- the shaft portion 41 has a first outer peripheral surface and a first pin hole 43.
- the first outer peripheral surface surrounds the central axis between the tip end and the base end of the shaft portion 41.
- the first pin hole 43 is arranged closer to the base end side than the suction passage 80, and penetrates the shaft portion 41 in a direction orthogonal to the axial direction.
- the guide body 42 has its base end connected to the shaft portion 41, and has a tip surface 44 at its tip. Further, the guide body 42 has a second outer peripheral surface that surrounds the central axis between the distal end and the base end, and the second outer peripheral surface is provided with a pair of inclined surfaces 45 and a pair of recesses 46.
- the pair of inclined surfaces 45 is provided on the bow jaw 40, but one or three or more inclined surfaces 45 may be provided on the bow jaw 40.
- the cutter blade 30 is provided with the same number of cutting portions 32 as the number of the inclined surfaces 45.
- the pair of recesses 46 is provided in the bow jaw 40, one or three or more recesses 46 may be provided in the bow jaw 40.
- the inclined surface 45 is arranged between the pair of protrusions 47 in the direction orthogonal to the axial direction and extends in the axial direction.
- the pair of protrusions 47 project from the inclined surface 45 and extend along the inclined surface 45 in the axial direction.
- the inclined surface 45 is inclined from the shaft portion 41 side toward the tip surface 44 side in a direction away from the central axis of the shaft portion 41. Due to this inclined surface 45, the diameter of the guide body 42 increases as it goes from the base end side to the tip end side. Further, the pair of inclined surfaces 45 are arranged so as to sandwich the shaft therebetween, and the distance between the pair of inclined surfaces 45 becomes wider from the proximal end side toward the distal end side.
- the recess 46 is disposed between the pair of inclined surfaces 45 in the circumferential direction, and opens on the second outer peripheral surface of the guide body 42 and the tip surface 44. Therefore, the recess 46 is recessed from the first opening 46a of the second outer peripheral surface in the direction orthogonal to the axial direction and recessed from the second opening 46b of the tip end surface 44 in the axial direction.
- the pair of recesses 46 are arranged so as to sandwich the shaft therebetween, and the suction passage 80 is disposed between the pair of recesses 46.
- the cutting part 32 bends along the inclined surface 45, and the distance between the pair of cutting parts 32 increases. Further, along with this, as the cutting portion 32 rotates, the blade portion 35 of the cutting portion 32 hits and cuts the inner surface of the preformed hole H, so that the enlarged hole portion E is formed in the preformed hole H. At this time, dust is generated by cutting the machinable object.
- the dust enters the recess 46 adjacent to the blade 35 in the rotation direction, and is sucked into the first branch passage 82 from the second suction port 82a opening in the recess 46. Further, the dust that has not been sucked from the second suction port 82a in the concave portion 46 descends in the concave portion 46 due to its own weight to reach the second opening 46b, passes through the first groove portion 90 connected to the second opening 46b, and is first sucked. It is guided to the mouth 81a and sucked into the flow passage 81 from the first suction port 81a.
- the dust falls from the blade portion 35 or enters the gap portion 48 between the cutting portion 32 and the inclined surface 45. These dusts descend and are sucked into the second branch passage 83 from the third suction port 83a below the blade portion 35 and the gap portion 48. Further, the dust not sucked from the third suction port 83a descends along the inclined surface 45 to reach the groove opening 91a, is guided from the groove opening 91a to the first suction port 81a through the second groove portion 91, It is sucked into the flow passage 81 from the first suction port 81a.
- the second suction port 82a and the third suction port 83a are arranged closer to the blade portion 35 side than the first suction port 81a, so that the dust generated by the cutting of the blade portion 35 can be discharged more quickly. Can be sucked into. Further, the first suction port 81a is disposed below the second suction port 82a and the third suction port 83a, so that the dust that has not been sucked by the second suction port 82a and the third suction port 83a is lowered. Can be aspirated.
- first groove portion 90 guides the dust in the concave portion 46 to the first suction port 81a
- second groove portion 91 guides the dust in the inclined surface 45 and the gap portion 48 to the first suction port 81a, so that the dust is further removed. It can be sucked efficiently.
- the dust sucked from each suction port passes through the suction passage 80, the discharge port 84 through the communication hole 24 and the communication passage 66, and is collected from the pipe portion 62 to the suction device.
- the expanding hole forming device 10 since it is not necessary to provide the expanding hole forming device 10 with a mechanism for releasing the lock, the expanding hole forming device 10 can be simplified and the cost can be reduced. Further, since the dust that scatters to the outside during the cutting work can be reduced, it is possible to reduce the exposure of the worker to the dust and improve the working environment.
- the first suction port 81a faces the bottom of the existing hole H, it is possible to suck the dust that has fallen to the bottom. Therefore, at the end of shaving, little dust remains in the existing holes H and the enlarged diameter hole portions E, and this cleaning can be easily or omitted.
- the guide body 42 may not have the second groove portion 91. ..
- the configuration other than this is the same as the configuration of the expanded diameter hole portion cutting device 10 of FIG. Therefore, the guide body 42 has the concave portion 46 and the first groove portion 90, and the suction passage 80 has the flow passage 81, the first branch passage 82, and the second branch passage 83.
- the forming apparatus 10 can efficiently remove dust.
- the guide body 42 has a first groove portion 90 and a second groove portion 91. You don't have to.
- the configuration other than this is the same as the configuration of the expanded diameter hole portion cutting device 10 of FIG. Therefore, the guide body 42 has the concave portion 46, and the suction passage 80 has the flow passage 81, the first branch passage 82, and the second branch passage 83. Dust can be removed efficiently.
- the guide body 42 has the first groove portion 90 and the second groove portion 91.
- the suction passage 80 may not have the second branch passage 83.
- the configuration other than this is the same as the configuration of the expanded diameter hole portion cutting device 10 of FIG. Therefore, the guide body 42 has the concave portion 46, and the suction passage 80 has the flow passage 81 and the first branch passage 82, so that the diameter expansion hole shaving device 10 efficiently removes dust. can do.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Auxiliary Devices For Machine Tools (AREA)
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Abstract
Description
<拡径孔部削成装置の構成>
本発明の実施の形態に係る拡径孔部削成装置10は、図1(a)~図2(b)に示すように、被削成物Bに既に設けられている孔(既成孔H)に、拡径孔部Eを形成するための削成装置である。
図3(a)及び図3(b)に示すように、シャンク20は、装着部21及び外装部22を有している。装着部21は、角柱及び円柱等の形状であって、外装部22よりも基端側に設けられ、外装部22と同軸で外装部22と一体的に形成されている。
図1(a)及び図2(a)に示すように、カッターブレード30の突起34をシャンク20の切欠き部27に嵌める。これにより、突起34が切欠き部27に係止されて、カッターブレード30の基端とシャンク20先端とが接続される。このカッターブレード30とシャンク20とは同軸に配置され、カッターブレード30の第2挿通孔33とシャンク20の第1挿通孔23とが連通する。
拡径孔部削成装置10は、被削成物Bの既成孔Hに拡径孔部Eを形成する。この既成孔Hは、コンクリート壁等の被削成物Bにドリル等の穿孔機によって形成されている孔であって、例えば、有底の円柱状の孔である。
変形例1に係る拡径孔部削成装置10のボウジョー140では、図7(a)~図7(c)に示すように、ガイド体42は第2溝部91を有していなくてもよい。これ以外の構成は、図1(a)の拡径孔部削成装置10の構成と同様である。このため、ガイド体42は凹部46及び第1溝部90を有し、吸引通路80は流通路81、第1分岐路82及び第2分岐路83を有していることにより、拡径孔部削成装置10は、粉塵を効率的に除去することができる。
変形例2に係る拡径孔部削成装置10のボウジョー240では、図8(a)~図8(c)に示すように、ガイド体42は第1溝部90及び第2溝部91を有していなくてもよい。これ以外の構成は、図1(a)の拡径孔部削成装置10の構成と同様である。このため、ガイド体42は凹部46を有し、吸引通路80は流通路81、第1分岐路82及び第2分岐路83を有していることにより、拡径孔部削成装置10は、粉塵を効率的に除去することができる。
変形例3に係る拡径孔部削成装置10のボウジョー340では、図9(a)~図9(c)に示すように、ガイド体42は第1溝部90及び第2溝部91を有さず、吸引通路80は第2分岐路83を有していなくてもよい。これ以外の構成は、図1(a)の拡径孔部削成装置10の構成と同様である。このため、ガイド体42は凹部46を有し、吸引通路80は流通路81及び第1分岐路82を有していることにより、拡径孔部削成装置10は、粉塵を効率的に除去することができる。
その他の変形例に係る拡径孔部削成装置10のボウジョー140では、ガイド体42は第1溝部90を有さずに第2溝部91を有していてもよい。この場合、吸引通路80は第1分岐路82及び第2分岐路83を有していてもよいし、第1分岐路82及び第2分岐路83の少なくともいずれか一方を有していなくてもよい。この場合であっても、流通路81により粉塵を効率的に除去することができる。
30 :カッターブレード
32 :切削部
35 :刃部
40 :ボウジョー
41 :軸部
42 :ガイド体
44 :先端面
45 :傾斜面
46 :凹部
80 :吸引通路
81 :流通路
81a :第1吸引口(吸引口)
82 :第1分岐路
83 :第2分岐路
90 :第1溝部
91 :第2溝部
140 :ボウジョー
240 :ボウジョー
340 :ボウジョー
Claims (6)
- 被削成物に形成されている孔に拡径孔部を削成する拡径孔部削成装置であって、
軸部と、前記軸部側と反対側に設けられた先端面、及び、前記軸部側から前記先端面側に向かって前記軸部の中心軸から離れる方向に傾斜する傾斜面が設けられたガイド体とを有するボウジョーと、
先端に刃部が設けられ、且つ、前記傾斜面に沿ってスライド可能な切削部を有するカッターブレードと、を備え、
前記ボウジョーは、吸引口が前記先端面に開口する流通路を含む吸引通路をさらに有している、拡径孔部削成装置。 - 前記ガイド体は、
前記中心軸を挟んで設けられる一対の前記傾斜面と、
一対の前記傾斜面の間の外周面と前記先端面とに開口している凹部と、を有している、請求項1に記載の拡径孔部削成装置。 - 前記吸引通路は、前記流通路から分岐し、且つ、前記凹部と連通する第1分岐路を含んでいる、請求項2に記載の拡径孔部削成装置。
- 前記ガイド体は、前記先端面に設けられた前記凹部の開口と前記吸引口とに接続されている第1溝部を有している、請求項2又は3に記載の拡径孔部削成装置。
- 前記吸引通路は、前記流通路から分岐し、且つ、前記傾斜面に開口する第2分岐路を含んでいる、請求項1~4のいずれか一項に記載の拡径孔部削成装置。
- 前記ガイド体は、前記傾斜面に開口し、且つ、前記先端面におい前記吸引口に接続されている第2溝部を有している、請求項1~5のいずれか一項に記載の拡径孔部削成装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19887282.2A EP3885092A4 (en) | 2018-11-19 | 2019-10-03 | ENLARGED DIAMETER HOLE SECTION CUTTING DEVICE |
KR1020217017657A KR20210092242A (ko) | 2018-11-19 | 2019-10-03 | 확경구멍부 커팅 장치 |
US17/294,944 US20220016721A1 (en) | 2018-11-19 | 2019-10-03 | Diameter-enlarged hole portion forming device |
AU2019382346A AU2019382346A1 (en) | 2018-11-19 | 2019-10-03 | Diameter-enlarged hole portion forming device |
CN201980074564.0A CN112955293B (zh) | 2018-11-19 | 2019-10-03 | 扩径孔部削成装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018216578A JP7188744B2 (ja) | 2018-11-19 | 2018-11-19 | 拡径孔部削成装置 |
JP2018-216578 | 2018-11-19 |
Publications (1)
Publication Number | Publication Date |
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WO2020105291A1 true WO2020105291A1 (ja) | 2020-05-28 |
Family
ID=70774149
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2019/039096 WO2020105291A1 (ja) | 2018-11-19 | 2019-10-03 | 拡径孔部削成装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20220016721A1 (ja) |
EP (1) | EP3885092A4 (ja) |
JP (1) | JP7188744B2 (ja) |
KR (1) | KR20210092242A (ja) |
CN (1) | CN112955293B (ja) |
AU (1) | AU2019382346A1 (ja) |
WO (1) | WO2020105291A1 (ja) |
Citations (4)
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JPS62249714A (ja) * | 1986-04-15 | 1987-10-30 | カ−ル アイシヤイド | めくら穴のアンダカツト用穴あけ装置 |
JP2564100Y2 (ja) | 1989-07-29 | 1998-03-04 | 株式会社 ミヤナガ | アンカーボルト植設用孔の拡径部削成装置 |
JP2012071505A (ja) * | 2010-09-29 | 2012-04-12 | Miyanaga:Kk | アンカーボルト植設用孔の拡径部削成装置 |
WO2015025492A1 (ja) * | 2013-08-23 | 2015-02-26 | 株式会社ミヤナガ | 拡径孔部付き孔の穿孔装置 |
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JP2598515B2 (ja) * | 1989-04-24 | 1997-04-09 | 株式会社ミヤナガ | 拡径部付孔穿孔装置 |
JP3098209B2 (ja) * | 1997-09-08 | 2000-10-16 | 株式会社ミヤナガ | アンダーカット部付き孔の穿孔装置 |
CN101959634B (zh) * | 2008-02-29 | 2013-05-15 | Osg株式会社 | 切屑吸收整体钻头 |
JP5976236B2 (ja) * | 2014-04-15 | 2016-08-23 | 株式会社ミヤナガ | ドリルビット |
EP3147051A1 (de) * | 2015-09-23 | 2017-03-29 | HILTI Aktiengesellschaft | Werkzeug zum aufrauen einer bohrlochoberfläche |
JP6651418B2 (ja) * | 2016-07-07 | 2020-02-19 | 株式会社ミヤナガ | 拡径孔部の穿孔装置 |
JP6911266B2 (ja) * | 2017-03-23 | 2021-07-28 | ユニカ株式会社 | 吸塵ドリル |
-
2018
- 2018-11-19 JP JP2018216578A patent/JP7188744B2/ja active Active
-
2019
- 2019-10-03 WO PCT/JP2019/039096 patent/WO2020105291A1/ja unknown
- 2019-10-03 US US17/294,944 patent/US20220016721A1/en active Pending
- 2019-10-03 AU AU2019382346A patent/AU2019382346A1/en active Pending
- 2019-10-03 KR KR1020217017657A patent/KR20210092242A/ko not_active Application Discontinuation
- 2019-10-03 CN CN201980074564.0A patent/CN112955293B/zh active Active
- 2019-10-03 EP EP19887282.2A patent/EP3885092A4/en active Pending
Patent Citations (4)
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JPS62249714A (ja) * | 1986-04-15 | 1987-10-30 | カ−ル アイシヤイド | めくら穴のアンダカツト用穴あけ装置 |
JP2564100Y2 (ja) | 1989-07-29 | 1998-03-04 | 株式会社 ミヤナガ | アンカーボルト植設用孔の拡径部削成装置 |
JP2012071505A (ja) * | 2010-09-29 | 2012-04-12 | Miyanaga:Kk | アンカーボルト植設用孔の拡径部削成装置 |
WO2015025492A1 (ja) * | 2013-08-23 | 2015-02-26 | 株式会社ミヤナガ | 拡径孔部付き孔の穿孔装置 |
Non-Patent Citations (1)
Title |
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See also references of EP3885092A4 |
Also Published As
Publication number | Publication date |
---|---|
EP3885092A4 (en) | 2022-08-17 |
CN112955293B (zh) | 2023-03-28 |
US20220016721A1 (en) | 2022-01-20 |
AU2019382346A1 (en) | 2021-06-03 |
KR20210092242A (ko) | 2021-07-23 |
JP2020082418A (ja) | 2020-06-04 |
CN112955293A (zh) | 2021-06-11 |
JP7188744B2 (ja) | 2022-12-13 |
EP3885092A1 (en) | 2021-09-29 |
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