WO1999067051A1 - Machine-outil - Google Patents
Machine-outil Download PDFInfo
- Publication number
- WO1999067051A1 WO1999067051A1 PCT/JP1999/003051 JP9903051W WO9967051A1 WO 1999067051 A1 WO1999067051 A1 WO 1999067051A1 JP 9903051 W JP9903051 W JP 9903051W WO 9967051 A1 WO9967051 A1 WO 9967051A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cutting
- cover
- cutting unit
- bed
- work fixing
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
- B23Q1/015—Frames, beds, pillars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
- B23Q11/0053—Devices for removing chips using the gravity force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/08—Protective coverings for parts of machine tools; Splash guards
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S29/00—Metal working
- Y10S29/059—Hood actuated by tool or work approach
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S29/00—Metal working
- Y10S29/086—Hood encased cutter
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S29/00—Metal working
- Y10S29/094—Debris remover, catcher, or deflector
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/96—Miscellaneous
- Y10T408/98—Drill guide
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T409/00—Gear cutting, milling, or planing
- Y10T409/30—Milling
- Y10T409/30392—Milling with means to protect operative or machine [e.g., guard, safety device, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T409/00—Gear cutting, milling, or planing
- Y10T409/30—Milling
- Y10T409/304088—Milling with means to remove chip
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T409/00—Gear cutting, milling, or planing
- Y10T409/30—Milling
- Y10T409/30784—Milling including means to adustably position cutter
- Y10T409/307952—Linear adjustment
- Y10T409/308288—Linear adjustment including gantry-type cutter-carrier
Definitions
- the present invention relates to a machine tool provided with a cutting unit that is moved in the front-rear direction.
- a front-rear guide track is formed on the bed, and a cutting unit supported by the guide path and moved back and forth is provided.
- a machine tool that is designed to process steel.
- a cover device is provided to prevent scattering of cutting chips, but this cover device is not intended to prevent cutting chips from falling down or adhering to the guide track. Not.
- a dedicated cover for surrounding the guide track is provided separately.
- This cover is self-contained to enable the cutting unit to move back and forth, and is made of metal to withstand heated cutting chips.
- An object of the present invention is to provide a machine tool that does not require a dedicated cover for surrounding the guide track. Disclosure of the invention
- a bead having a guide track formed on the upper surface of each of the left and right sides in a front-rear direction, supported by the guide track so as to be erected and moved back and forth, and a cutting section on a front surface.
- a work fixing table fixed to the bed and the body.
- a cover surface for surrounding the upper surface and the left and right side surfaces of the cutting part, and only the lower part is provided in relation to the cover and the work fixing table and the cutting unit. Open The left and right side surfaces of the cover are located inside the left and right sides of the bead and below the guide track. Let it hang down.
- the above-mentioned cover device, work fixing table and cutting unit prevent the cutting chips generated in the working space formed by these from scatter outside and guide the cutting chips downward between the left and right sides of the bed. . Therefore, the phenomenon that the cutting chips fly toward the left and right guide tracks cannot occur, and the cutting chips do not accumulate in the vicinity of the guide tracks where cleaning is difficult.
- the cover device is engaged with either the cutting unit or the work fixing table, so that a special support mechanism for supporting the cover device is not required.
- a chip discharge device shall be provided below the left and right sides of the bed for receiving the chip and transporting it to a specific location outside.
- the cutting chips generated during the processing can be safely and rapidly taken out without any processing such as sweeping and collecting from the machine tool.
- the present invention eliminates the need for a dedicated cover for the guide track to prevent the accumulation and adhesion of the chip, since the heated cutting chips do not come into contact with the guide track as described above.
- the covering device drops the cutting chips downward between the left and right sides of the bed, the scattering range of the cutting chips is extremely limited, and the cleaning of the cutting chips at the end of work is easy. Can be done.
- the support mechanism for supporting the cover device can be simplified by using the cutting unit and the work fixing table, and the cutting generated during the processing is also possible. Debris can be completely and quickly removed without the need for processing such as sweeping and collecting debris from every corner of the machine tool.
- FIG. 1 is a side view showing an example of a machine tool having a multi-axis spindle head according to the present invention
- FIG. 2 is a side view showing another example
- FIG. 3 is a plan view of FIG.
- FIG. 4 is a cross-sectional view taken along the line —, —X, in FIG. 1
- FIG. 5 is a perspective view taken along the line X, —X, in FIG. BEST MODE FOR CARRYING OUT THE INVENTION
- 1 is a bed
- 2 is a cutting unit
- 3 is a work fixing table.
- the bed 1 has a left-right part 4.4, a front part 5 and a rear part 6 connecting these side parts 4, 4 and a front-rear guide track 7, 7 on the upper surface of each side 4.4. Is formed.
- each side portion 4 is connected to the vertical and horizontal wall surfaces to form a highly planar structure having a space s inside.
- 4a is a guide plate for cutting chips fixed diagonally on each side surface 4.
- the above-mentioned cutting unit 2 is driven by a unit frame 8 supported by left and right guide tracks 7, 7 and capable of moving back and forth, a motor 9 fixed on the frame 8, and a motor 9.
- Cutting section 11 having a plurality of spindles 10 to be formed.
- the work fixing table 3 is fixed to the bed 1 and has a structure in which the workpiece w is gripped on the surface m on the cutting unit 2 side.
- Reference numeral 12 denotes a drive unit for moving the cutting unit 2 back and forth, and is fixed to the rear of the bed 1.
- the driving device S12 for example, an electric motor or a hydraulic cylinder is used.
- 13 is a chip discharge device installed in the bed 1 below the left and right sides 4.4 of the bed 1 and incorporated into the bed 1, which is a relatively long horizontal transport start end a and an inclined transport It has a path portion b and a relatively short horizontal transfer end portion c, and the belt-shaped transfer surface n is moved from the transfer start end portion a to the transfer end portion c.
- a cover device 14 for stopping is provided.
- the cover device 14 is as follows.
- the upper end of the rear end cover 16 is hinged via a hinge 17. It is connected to the upper surface of the cutting unit 2.
- the front end cover 15 is fitted to the rear end cover 16 so as to be freely slidable. At this time, the right and left side surfaces d and d of each cover 15. 16 should be suspended to a position below the guide tracks 7 and 7 inside the left and right side portions 4.4 of the bed 1. is important. (See Fig. 5)
- a cylindrical member 18.18 is fixed laterally to the outer surfaces of the left and right side surfaces d, d of the rear end cover 16, and a support rod 19.19 is slid on the cylindrical member 18,18.
- the front end of the support rod 19. 19 is connected to the outer surface of the left and right side surfaces d and d of the front end cover 15 via connecting pieces, and each support rod 19.
- a compression spring 20 is extrapolated to a portion of a support rod 19 between the tip end of the support member and the corresponding cylindrical member 18.
- the front end cover 15 is moved to the frontmost position with respect to the rear end cover 16 by the elastic force of the compression spring 20 in a state where no external force acts on the front end cover 15 rearward. It is configured as follows.
- 2 1 is a cutting tool
- 2 2 is a cutting waste container.
- the cutting unit 2 is in a state of being moved to the rear as shown in FIGS. 1 and 3. In this state, the tip of the front end cover 15 is separated from the work fixing base 3.
- the work w is fixed to the work fixing table 3 through the space between the work fixing table 3 and the front end cover 15 and thereafter, a work start command is input to a control unit (not shown).
- a control unit not shown.
- the motor 9 of the spindle 10 driving river rotates the plurality of spindles 10 and the cutting tools 21, and the driving unit 12 for feeding the cutting unit 2 uses the cutting unit 2 and the cover unit. Move 1 4 forward f.
- the tip of the front end cover 15 comes into contact with the surface m of the work fixing base 3 as shown in FIG.
- the force baffle device 14 is in a state in which the front and rear end faces are covered by the work fixing table 3 and the cutting work 2, and a machining space having an open lower portion only is formed. It will be the one that will be placed.
- the cutting tool 21 of the cutting portion 11 reaches the workpiece w and starts the machining.
- This processing generates cutting chips, which are scattered from the workpiece w by the rotation of the cutting tool 21 and the spindle 10.
- the scattered chips are guided by the peripheral wall of the processing space and fall downward.
- the dropped chips go downward between the left and right sides 4 and 4 of the bed 1 and reach the transfer surface n of the transfer start end a of the chip discharge device 13. 14) Outside and above the right and left side surfaces d of the cover, d and d fall and adhere to the left and right guideways 7 and 7 located above the lower edge of d I will not.
- the cutting chips accumulated on the transfer surface n reach the transfer end portion c via the slanted transfer path b due to the movement of the transfer surface n, and fall into the container 22 from there.
- the driving unit for cutting unit 2 feed 2 is operated in the opposite direction to the front, so that the covers 15 and 16 of the cover unit 14 are Displaced in the opposite direction to the previous state, it returns to the state of FIG. 1, and the spindle 9 drive motor 9 is stopped.
- the cover surface of the cover cover 14 is formed by the front end cover 15 and the rear end cover 16, but instead, the front cover 15 and the rear end cover 16 It is also possible to provide one or a plurality of intermediate covers in each of these so that each cover slides with respect to the adjacent force bar to form a cover surface. Such a configuration is employed when the size of the cover device 14 in the front-rear direction becomes long.
- the cover device 14 is supported by the cutting unit 2.
- the cover device 14 may be supported by the work fixing table 3. That is, for example, the cover device 14 is turned in the front-rear direction, and the rear end cover 16 and the work fixing base 3 are connected by a hinge. In this case, the work w on the work fixing base 3 is attached and detached while the hippo-style garment 14 is retracted upward around the hinge.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
- Sawing (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/720,291 US6547498B1 (en) | 1998-06-23 | 1999-06-07 | Machine tool |
DE69921168T DE69921168T2 (de) | 1998-06-23 | 1999-06-07 | Werkzeugmaschine |
EP99923955A EP1122026B1 (en) | 1998-06-23 | 1999-06-07 | Machine tool |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10/193695 | 1998-06-23 | ||
JP19369598A JP3511196B2 (ja) | 1998-06-23 | 1998-06-23 | 工作機械 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999067051A1 true WO1999067051A1 (fr) | 1999-12-29 |
Family
ID=16312252
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1999/003051 WO1999067051A1 (fr) | 1998-06-23 | 1999-06-07 | Machine-outil |
Country Status (6)
Country | Link |
---|---|
US (1) | US6547498B1 (ja) |
EP (1) | EP1122026B1 (ja) |
JP (1) | JP3511196B2 (ja) |
KR (1) | KR100367255B1 (ja) |
DE (1) | DE69921168T2 (ja) |
WO (1) | WO1999067051A1 (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001341048A (ja) * | 2000-05-31 | 2001-12-11 | Hitachi Seiki Co Ltd | 主軸移動型工作機械におけるスプラッシュガード |
US6770645B2 (en) | 2001-03-16 | 2004-08-03 | Pfizer Inc. | Pharmaceutically active compounds |
EP1440765B1 (en) * | 2003-01-21 | 2006-01-04 | Toyoda Koki Kabushiki Kaisha | Cylindrical grinding machine |
CN1744966B (zh) * | 2003-02-26 | 2010-04-28 | 报国株式会社 | 带有隐蔽机械加工空间的支柱移动型机床 |
DE10347913A1 (de) * | 2003-10-10 | 2005-05-04 | Grob Werke Burkhart Grob Ek | Produktionslinie |
JP2005034922A (ja) * | 2003-07-15 | 2005-02-10 | Mori Seiki Co Ltd | 工作機械の切屑排出装置 |
DE102004044098A1 (de) | 2004-09-08 | 2006-03-23 | Chiron-Werke Gmbh & Co. Kg | Werkzeugmaschine mit einem Maschinenfuß |
WO2006100898A1 (ja) * | 2005-03-18 | 2006-09-28 | Horkos Corp | 工作機械 |
US7396195B2 (en) * | 2005-05-02 | 2008-07-08 | Pin-Feng Chang | Safety protective device for working machine |
DE102009041596B4 (de) * | 2009-09-15 | 2014-06-05 | Deckel Maho Seebach Gmbh | Werkzeugmaschine |
JP5811598B2 (ja) * | 2011-05-31 | 2015-11-11 | ブラザー工業株式会社 | 工作機械 |
JP6405780B2 (ja) * | 2014-08-08 | 2018-10-17 | スター精密株式会社 | 工作機械 |
CN109590801A (zh) * | 2019-01-30 | 2019-04-09 | 北京博鲁斯潘精密机床有限公司 | 一种适应智能自动化机床的内部切屑自清理机构 |
CA3086567A1 (en) * | 2019-07-10 | 2021-01-10 | Leen D. Steed | Machine debris clean out system |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58196042U (ja) * | 1982-06-21 | 1983-12-27 | 新日本製鐵株式会社 | 面取機切屑飛散防止装置 |
JPS5912545U (ja) * | 1982-07-16 | 1984-01-26 | 住友金属工業株式会社 | 管棒材の切削装置 |
JPS6258149U (ja) * | 1985-09-27 | 1987-04-10 | ||
JPH07100728A (ja) * | 1993-09-30 | 1995-04-18 | Nippei Toyama Corp | 工作機械のカバー |
JPH10138087A (ja) * | 1996-11-06 | 1998-05-26 | Showa Alum Corp | 旋盤における切り粉飛散防止用チャックカバーおよびその使用方法 |
JP3050660B2 (ja) * | 1991-08-28 | 2000-06-12 | 古河電気工業株式会社 | 全二重双方向光通信方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3824890A (en) * | 1971-01-22 | 1974-07-23 | Giddings & Lewis | Chip guard for machine tools |
US3786846A (en) * | 1972-10-17 | 1974-01-22 | Danley Machine Corp | Shield assembly for router |
GB1566727A (en) * | 1976-05-28 | 1980-05-08 | Aslen D | Machinery safety guards |
US4388028A (en) * | 1980-12-29 | 1983-06-14 | Bodin Michael L | Splash guard |
JPS6017929U (ja) * | 1983-07-15 | 1985-02-06 | 株式会社 不二精機製造所 | マシンニングセンタの機体 |
AU657852B2 (en) * | 1992-04-10 | 1995-03-23 | Emag Holding Gmbh | Machining centre constructed from assemblies |
DE4439114A1 (de) * | 1994-11-02 | 1996-05-09 | Mauser Werke Oberndorf Maschin | Verfahren und Vorrichtung zur trockenen, spanabhebenden Bearbeitung eines Werkstücks |
DE4441253A1 (de) * | 1994-11-19 | 1996-05-23 | Hermle Berthold Maschf Ag | Werkzeugmaschine, insbesondere Bohr- und Fräsmaschine |
FR2756763B1 (fr) * | 1996-12-09 | 1999-02-26 | Helis Sa | Machine-outil a portique et a broche verticale |
DE19732608B4 (de) * | 1997-07-29 | 2004-04-15 | Ex-Cell-O Gmbh | Werkzeugmaschine |
-
1998
- 1998-06-23 JP JP19369598A patent/JP3511196B2/ja not_active Expired - Fee Related
-
1999
- 1999-06-07 WO PCT/JP1999/003051 patent/WO1999067051A1/ja active IP Right Grant
- 1999-06-07 DE DE69921168T patent/DE69921168T2/de not_active Expired - Fee Related
- 1999-06-07 US US09/720,291 patent/US6547498B1/en not_active Expired - Fee Related
- 1999-06-07 KR KR10-2000-7012763A patent/KR100367255B1/ko not_active IP Right Cessation
- 1999-06-07 EP EP99923955A patent/EP1122026B1/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58196042U (ja) * | 1982-06-21 | 1983-12-27 | 新日本製鐵株式会社 | 面取機切屑飛散防止装置 |
JPS5912545U (ja) * | 1982-07-16 | 1984-01-26 | 住友金属工業株式会社 | 管棒材の切削装置 |
JPS6258149U (ja) * | 1985-09-27 | 1987-04-10 | ||
JP3050660B2 (ja) * | 1991-08-28 | 2000-06-12 | 古河電気工業株式会社 | 全二重双方向光通信方法 |
JPH07100728A (ja) * | 1993-09-30 | 1995-04-18 | Nippei Toyama Corp | 工作機械のカバー |
JPH10138087A (ja) * | 1996-11-06 | 1998-05-26 | Showa Alum Corp | 旋盤における切り粉飛散防止用チャックカバーおよびその使用方法 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1122026A4 * |
Also Published As
Publication number | Publication date |
---|---|
KR100367255B1 (ko) | 2003-01-09 |
EP1122026A4 (en) | 2003-06-11 |
DE69921168D1 (de) | 2004-11-18 |
JP3511196B2 (ja) | 2004-03-29 |
US6547498B1 (en) | 2003-04-15 |
EP1122026A1 (en) | 2001-08-08 |
DE69921168T2 (de) | 2006-02-02 |
KR20010043614A (ko) | 2001-05-25 |
EP1122026B1 (en) | 2004-10-13 |
JP2000005973A (ja) | 2000-01-11 |
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