IT1285334B1 - Apparecchiatura e relativo metodo di controllo della profondita' di lavorazione per una macchina operatrice per piastre di circuiti - Google Patents
Apparecchiatura e relativo metodo di controllo della profondita' di lavorazione per una macchina operatrice per piastre di circuitiInfo
- Publication number
- IT1285334B1 IT1285334B1 IT96TO000415A ITTO960415A IT1285334B1 IT 1285334 B1 IT1285334 B1 IT 1285334B1 IT 96TO000415 A IT96TO000415 A IT 96TO000415A IT TO960415 A ITTO960415 A IT TO960415A IT 1285334 B1 IT1285334 B1 IT 1285334B1
- Authority
- IT
- Italy
- Prior art keywords
- equipment
- control method
- circuit plate
- related processing
- depth control
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0011—Working of insulating substrates or insulating layers
- H05K3/0044—Mechanical working of the substrate, e.g. drilling or punching
- H05K3/0047—Drilling of holes
-
- 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
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
- B23Q1/56—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism
- B23Q1/58—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism a single sliding pair
-
- 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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/22—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work
- B23Q17/2233—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work for adjusting the tool relative to the workpiece
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/26—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring depth
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0266—Marks, test patterns or identification means
- H05K1/0268—Marks, test patterns or identification means for electrical inspection or testing
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/02—Details related to mechanical or acoustic processing, e.g. drilling, punching, cutting, using ultrasound
- H05K2203/0207—Partly drilling through substrate until a controlled depth, e.g. with end-point detection
-
- 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
- Y10T408/03—Processes
-
- 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
- Y10T408/16—Cutting by use of rotating axially moving tool with control means energized in response to activator stimulated by condition sensor
- Y10T408/17—Cutting by use of rotating axially moving tool with control means energized in response to activator stimulated by condition sensor to control infeed
-
- 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
- Y10T408/16—Cutting by use of rotating axially moving tool with control means energized in response to activator stimulated by condition sensor
- Y10T408/175—Cutting by use of rotating axially moving tool with control means energized in response to activator stimulated by condition sensor to control relative positioning of Tool and work
-
- 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
- Y10T408/55—Cutting by use of rotating axially moving tool with work-engaging structure other than Tool or tool-support
- Y10T408/561—Having tool-opposing, work-engaging surface
- Y10T408/5623—Having tool-opposing, work-engaging surface with presser foot
-
- 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
- Y10T409/303752—Process
-
- 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
- Y10T409/306664—Milling including means to infeed rotary cutter toward work
- Y10T409/306776—Axially
- Y10T409/306832—Axially with infeed control means energized in response to activator stimulated by condition sensor
-
- 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
- Y10T409/306664—Milling including means to infeed rotary cutter toward work
- Y10T409/307224—Milling including means to infeed rotary cutter toward work with infeed control means energized in response to activator stimulated by condition sensor
-
- 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
- Y10T409/308624—Milling with limit means to aid in positioning of cutter bit or work [e.g., gauge, stop, etc.]
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Drilling And Boring (AREA)
- Supply And Installment Of Electrical Components (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT96TO000415A IT1285334B1 (it) | 1996-05-17 | 1996-05-17 | Apparecchiatura e relativo metodo di controllo della profondita' di lavorazione per una macchina operatrice per piastre di circuiti |
| EP97107952A EP0808087A3 (en) | 1996-05-17 | 1997-05-15 | Device and method for controlling the machining depth of a machine for machining multilayer printed circuit boards |
| US08/856,793 US6015249A (en) | 1996-05-17 | 1997-05-15 | Device and method for controlling the machining depth of a machine for machining multilayer printed circuit boards |
| JP9127034A JPH1058284A (ja) | 1996-05-17 | 1997-05-16 | 多層印刷回路板の切削機械の切削深さ制御装置及び制御方法 |
| US09/572,916 US6309151B1 (en) | 1996-05-17 | 1999-10-19 | Device and method for controlling the machining depth of a machine for machining multilayer printed circuit boards |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT96TO000415A IT1285334B1 (it) | 1996-05-17 | 1996-05-17 | Apparecchiatura e relativo metodo di controllo della profondita' di lavorazione per una macchina operatrice per piastre di circuiti |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| ITTO960415A0 ITTO960415A0 (it) | 1996-05-17 |
| ITTO960415A1 ITTO960415A1 (it) | 1997-11-17 |
| IT1285334B1 true IT1285334B1 (it) | 1998-06-03 |
Family
ID=11414642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT96TO000415A IT1285334B1 (it) | 1996-05-17 | 1996-05-17 | Apparecchiatura e relativo metodo di controllo della profondita' di lavorazione per una macchina operatrice per piastre di circuiti |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US6015249A (it) |
| EP (1) | EP0808087A3 (it) |
| JP (1) | JPH1058284A (it) |
| IT (1) | IT1285334B1 (it) |
Families Citing this family (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1285334B1 (it) * | 1996-05-17 | 1998-06-03 | Pluritec Italia | Apparecchiatura e relativo metodo di controllo della profondita' di lavorazione per una macchina operatrice per piastre di circuiti |
| FR2774617B1 (fr) * | 1998-02-06 | 2000-05-05 | St Microelectronics Sa | Procede et machine d'usinage d'une cavite dans une carte a puce electronique renfermant une antenne |
| US6199290B1 (en) * | 1999-07-30 | 2001-03-13 | Excellon Automation Co. | Method and apparatus for automatic loading and registration of PCBs |
| JP3922453B2 (ja) * | 2001-01-16 | 2007-05-30 | タイコ・エレクトロニクス・コーポレイション | 回路基板くり抜き装置及びその方法 |
| US6550118B2 (en) * | 2001-02-02 | 2003-04-22 | Electroimpact, Inc. | Apparatus and method for accurate countersinking and rivet shaving for mechanical assembly operations |
| US6651866B2 (en) | 2001-10-17 | 2003-11-25 | Lilogix, Inc. | Precision bond head for mounting semiconductor chips |
| US20030115757A1 (en) * | 2001-10-26 | 2003-06-26 | Claudio Meisser | Method and equipment for stripping a flat cable |
| US6745611B2 (en) * | 2002-02-19 | 2004-06-08 | Fci Americas Technology, Inc. | Battery powered hydraulic tool |
| AU2003201742A1 (en) * | 2002-02-22 | 2003-09-09 | Ballado Investments Inc. | Workpiece clamp with two alternately applicable compression rings |
| EP1649240B1 (en) * | 2003-06-02 | 2007-05-30 | Novator AB | Method and apparatus for measuring a depth of holes in composite-material workpieces being machined by an orbiting cutting tool |
| JP4180476B2 (ja) * | 2003-09-09 | 2008-11-12 | 日立ビアメカニクス株式会社 | ワーク押さえを備える主軸装置 |
| CN101547562A (zh) * | 2003-09-19 | 2009-09-30 | 通道系统集团公司 | 闭合反钻系统 |
| JP4367854B2 (ja) * | 2004-06-01 | 2009-11-18 | 日立ビアメカニクス株式会社 | プリント基板の穴あけ方法およびプリント基板加工機 |
| US7625158B2 (en) * | 2006-09-22 | 2009-12-01 | Murray Houlton Forlong | Clamping assembly |
| US8047749B2 (en) * | 2007-08-30 | 2011-11-01 | The Boeing Company | Rapid inspection of lightning strike protection systems prior to installing fastener |
| US8668410B1 (en) * | 2009-11-13 | 2014-03-11 | The Boeing Company | Drilling system stabilization |
| WO2011149485A1 (en) * | 2010-05-28 | 2011-12-01 | E. I. Du Pont De Nemours And Company | Process for producing standardized assay areas on organic coatings |
| IT1401067B1 (it) * | 2010-07-26 | 2013-07-12 | Cover Technology S R L | Macchina fresatrice |
| JP5583555B2 (ja) * | 2010-11-09 | 2014-09-03 | ビアメカニクス株式会社 | 加工装置 |
| US9199351B2 (en) * | 2011-05-09 | 2015-12-01 | The Boeing Company | Drilling machine having hole measurement capability |
| CN102883536B (zh) * | 2012-09-29 | 2015-12-02 | 杭州华三通信技术有限公司 | 一种pcb板通孔加工方法及通孔结构 |
| JP6023574B2 (ja) * | 2012-12-10 | 2016-11-09 | ビアメカニクス株式会社 | 基板穴明け装置及び基板穴明け方法 |
| DE102013004679B4 (de) * | 2013-03-19 | 2017-11-23 | Skybrain Vermögensverwaltung GmbH | Vorrichtung und Verfahren zum Bearbeiten von Leiterplatten |
| CN103776361B (zh) * | 2014-01-15 | 2017-01-04 | 中钞信用卡产业发展有限公司 | 一种双界面卡内天线的深度检测装置及检测方法 |
| CN103791808B (zh) * | 2014-02-26 | 2017-02-15 | 广州明森科技股份有限公司 | 一种双界面卡内天线的深度检测装置及检测方法 |
| US9341670B2 (en) | 2014-05-20 | 2016-05-17 | International Business Machines Corporation | Residual material detection in backdrilled stubs |
| US20150359110A1 (en) * | 2014-06-06 | 2015-12-10 | Keysight Technologies, Inc. | Inner layer depth detection during controlled-depth drilling using continuity test coupon |
| EP2987576A1 (de) * | 2014-08-19 | 2016-02-24 | Skybrain Vermögensverwaltungs GmbH | Verfahren zur Herstellung einer Bohrung und Bohrmaschine hierfür |
| US10237983B2 (en) | 2014-12-23 | 2019-03-19 | Sanmina Corporation | Method for forming hole plug |
| CN104764395A (zh) * | 2015-03-27 | 2015-07-08 | 深圳崇达多层线路板有限公司 | 一种印制电路板的切割深度测试方法及电路板 |
| JP6485774B2 (ja) * | 2015-11-11 | 2019-03-20 | 大船企業日本株式会社 | 多層プリント配線基板におけるバックドリル加工方法及び基板加工装置 |
| JP7386034B2 (ja) * | 2018-12-11 | 2023-11-24 | ビアメカニクス株式会社 | ドリル加工装置及びドリル加工方法 |
| EP4133912A4 (en) | 2020-04-07 | 2024-04-10 | Nextgin Technology B.v. | Methods and systems for back-drilling a multi-layer circuit board |
| CN112804825B (zh) * | 2021-04-09 | 2021-09-14 | 苏州维嘉科技股份有限公司 | 控深钻孔的补偿方法和钻孔设备 |
| CN114900966B (zh) * | 2022-05-19 | 2023-09-01 | 深圳崇达多层线路板有限公司 | 电路板近孔背钻方法、电路板、通讯电子设备及加工装置 |
| CN116546727B (zh) * | 2023-05-04 | 2024-06-14 | 江西景旺精密电路有限公司 | 一种增加弯折能力以及控深精度的半刚挠产品控深铣工艺 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3527138A (en) * | 1969-03-24 | 1970-09-08 | Lockheed Aircraft Corp | Apparatus for removing electrical insulation |
| JPS5929383B2 (ja) * | 1975-07-23 | 1984-07-20 | 株式会社日立製作所 | 工作機械における切削工具と被加工物との接触検出装置 |
| JPS5469883A (en) * | 1977-11-14 | 1979-06-05 | Toyoda Mach Works Ltd | Contact detecting device |
| US4451892A (en) * | 1980-01-31 | 1984-05-29 | Mcmurtry David R | Method of and apparatus for measuring distances in numerically controlled machine tools |
| US4765784A (en) * | 1984-12-06 | 1988-08-23 | Advanced Controls, Inc. | Electronic depth control for drill |
| JPS61214953A (ja) * | 1985-03-15 | 1986-09-24 | Dai Showa Seiki Kk | 工具とワ−クの接触検知装置 |
| SE463857B (sv) * | 1985-04-01 | 1991-02-04 | Industriverktyg Ab | Indikeringsanordning |
| US4869626A (en) * | 1986-04-18 | 1989-09-26 | Dynamotion Corporation | High speed drilling spindle |
| DE3906254A1 (de) * | 1989-02-28 | 1990-08-30 | Hitachi Seiko Kk | Verfahren und vorrichtung zur bearbeitung einer gedruckten leiterplatte |
| US5139376A (en) * | 1991-10-23 | 1992-08-18 | Excellon Automation | Method and apparatus for controlled penetration drilling |
| JP3404771B2 (ja) * | 1992-09-24 | 2003-05-12 | 株式会社デンソー | 多層配線基板加工装置及び加工方法 |
| DE4340249A1 (de) * | 1993-11-26 | 1995-06-01 | Schmoll Gmbh Maschinen | Vorrichtung zum Tiefenbohren von Leiterplatten o. dgl. |
| IT1285334B1 (it) * | 1996-05-17 | 1998-06-03 | Pluritec Italia | Apparecchiatura e relativo metodo di controllo della profondita' di lavorazione per una macchina operatrice per piastre di circuiti |
-
1996
- 1996-05-17 IT IT96TO000415A patent/IT1285334B1/it active IP Right Grant
-
1997
- 1997-05-15 EP EP97107952A patent/EP0808087A3/en not_active Withdrawn
- 1997-05-15 US US08/856,793 patent/US6015249A/en not_active Expired - Fee Related
- 1997-05-16 JP JP9127034A patent/JPH1058284A/ja active Pending
-
1999
- 1999-10-19 US US09/572,916 patent/US6309151B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH1058284A (ja) | 1998-03-03 |
| EP0808087A2 (en) | 1997-11-19 |
| ITTO960415A0 (it) | 1996-05-17 |
| EP0808087A3 (en) | 1998-09-09 |
| US6309151B1 (en) | 2001-10-30 |
| ITTO960415A1 (it) | 1997-11-17 |
| US6015249A (en) | 2000-01-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ITTO960415A0 (it) | Apparecchiatura e relativo metodo di controllo della profondita' di lavorazione per una macchina operatrice per piastre di circuiti stampatimultistrato. | |
| FR2769670B1 (fr) | Circuit et procede de commande d'une machine electrique | |
| DE69418897D1 (de) | Rotierende elektrische Maschine | |
| HUP9901056A3 (en) | Stator for an electrical machine | |
| DE69419528D1 (de) | Elektrische maschine | |
| IT8521991A0 (it) | Di una macchina a scarica metodo e dispositivco di controllo elettrica.! | |
| DE59401741D1 (de) | Elektrische Maschine | |
| DE69408789D1 (de) | Gleichpolige dynamoelektrische Maschine | |
| ES1012567Y (es) | Una disposicion de plancha electrica. | |
| DE59406147D1 (de) | Elektrische maschine | |
| FI954644A7 (fi) | Pyörivät sähkökoneet | |
| AU2135397A (en) | Induction machine using ferromagnetic conducting rotor | |
| DK157391D0 (da) | Rotor til en elektrisk maskine | |
| DE69508488D1 (de) | Wertmünzenspielautomat | |
| IT9048104A0 (it) | Rotore per generatore a magneti | |
| GB2282490B (en) | Rotor for electrical machines | |
| GB9513914D0 (en) | Power circuit for reluctance machines | |
| BR9701985A (pt) | Máquina elétrico refrigerada a gás | |
| FR2756413B1 (fr) | Disjoncteur a piston semi-mobile | |
| BR9600051A (pt) | Máquina elétrica giratória | |
| FI951506A7 (fi) | Sähkökone | |
| ITRM930247A0 (it) | Dispositivo per il posizionamento di un utensile o di un pezzo su una macchina utensile. | |
| FI962053A7 (fi) | Menetelmä staattorin valmistamiseksi pyörivää sähkölaitetta varten | |
| DE59711145D1 (de) | Abschliesseinrichtung gegen betätigung eines fahrantriebes eines leistungsschalters | |
| KR970000591U (ko) | 철판 절단기 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 0001 | Granted |