GR73028B - - Google Patents

Info

Publication number
GR73028B
GR73028B GR55733A GR780155733A GR73028B GR 73028 B GR73028 B GR 73028B GR 55733 A GR55733 A GR 55733A GR 780155733 A GR780155733 A GR 780155733A GR 73028 B GR73028 B GR 73028B
Authority
GR
Greece
Application number
GR55733A
Original Assignee
Siemens Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of GR73028B publication Critical patent/GR73028B/el

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/02—Twist drills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/14—Configuration of the cutting part, i.e. the main cutting edges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/28—Arrangement of teeth
    • B23B2251/287—Cutting edges having different lengths
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2265/00—Details of general geometric configurations
    • B23B2265/12—Eccentric
    • 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
    • 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
    • Y10S408/00—Cutting by use of rotating axially moving tool
    • Y10S408/704—Drilling small holes
    • 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
    • Y10T408/89—Tool or Tool with support
    • Y10T408/909—Having peripherally spaced cutting edges
    • Y10T408/9095—Having peripherally spaced cutting edges with axially extending relief channel
    • Y10T408/9097—Spiral channel

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
  • Drilling And Boring (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
GR55733A 1977-09-19 1978-03-17 GR73028B (el)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2742104A DE2742104C2 (de) 1977-09-19 1977-09-19 Bohrer aus Hartmetall zum Bohren von Kontaktlöchern in Leiterplatten u.dgl.

Publications (1)

Publication Number Publication Date
GR73028B true GR73028B (el) 1984-01-25

Family

ID=6019318

Family Applications (1)

Application Number Title Priority Date Filing Date
GR55733A GR73028B (el) 1977-09-19 1978-03-17

Country Status (9)

Country Link
US (1) US4231692A (el)
JP (1) JPS5453386A (el)
DE (1) DE2742104C2 (el)
FR (1) FR2403144A1 (el)
GB (1) GB2004484B (el)
GR (1) GR73028B (el)
IT (1) IT1098540B (el)
NL (1) NL7809482A (el)
YU (1) YU221778A (el)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4373518A (en) * 1980-09-26 1983-02-15 Zimmer, Inc. Method of drilling living bone
US4400119A (en) * 1981-08-10 1983-08-23 Burke Clement Twist drill
US4568229A (en) * 1983-05-09 1986-02-04 Construction Fasteners, Inc. Drill tip and fastener employing same
JPS59219108A (ja) * 1983-05-25 1984-12-10 Sumitomo Electric Ind Ltd ドリル
US4561813A (en) * 1983-06-06 1985-12-31 M. A. Ford Mfg. Co., Inc. Drill
DE3344620A1 (de) * 1983-12-09 1985-06-20 Hartmetallwerkzeugfabrik Andreas Maier GmbH + Co KG, 7959 Schwendi Mehrschneidenbohrer
EP0211106A3 (de) * 1985-08-03 1987-09-02 HAWERA Präzisionswerkzeuge GmbH Mehrlippenbohrer
US4759667A (en) * 1985-11-08 1988-07-26 American Telephone And Telegraph Company, At&T Technologies, Inc. Twist drill for drilling printed circuit board laminates and having an drill point geometry
US4913931A (en) * 1987-08-18 1990-04-03 Frederickson Jeffrey W Method and solution for the prevention of smear in the manufacture of printed circuit boards
US6200197B1 (en) * 1992-05-06 2001-03-13 Ab Strukturteknologier I Stockholm Method for machining and forming a transcurrent opening in a fiber-reinforced composite material
US5810517A (en) * 1993-06-28 1998-09-22 Monroe Cutting Tool Inc. Rotary milling cutters
SE504312C2 (sv) * 1994-10-28 1997-01-13 Sandvik Ab Metod att bearbeta kompositer
US5599144A (en) * 1995-06-23 1997-02-04 International Business Machines Corporation Low friction flute tungsten carbon microdrill
DE19726984A1 (de) * 1997-06-25 1999-01-07 Kennametal Inc Bohrer zum Trockenbohren
US7018144B2 (en) * 2002-07-02 2006-03-28 Mitsubishi Materials Corporation Drill
JP4547262B2 (ja) * 2002-09-09 2010-09-22 コメート グループ ゲーエムベーハー 交換カッティングプレートを備えた穿孔工具およびこの種の穿孔工具用交換カッティングプレート
US20050053439A1 (en) * 2003-09-09 2005-03-10 Yuhong Wang Two-flute twist drill
DE102007024184A1 (de) * 2007-05-24 2008-11-27 Kennametal Inc. Bohrer sowie Verfahren zum Bohren
US20100196109A1 (en) * 2007-06-26 2010-08-05 Nanofilm Technologies International Pte Ltd Cutting tools having plasma deposited carbon coatings
US8292555B2 (en) * 2008-07-31 2012-10-23 William Allen Shaffer Drill bit configuration
GB201007032D0 (en) * 2010-04-27 2010-06-09 Dormer Tools Ltd Twist drill for advanced materials
JP2013022663A (ja) * 2011-07-19 2013-02-04 Mitsubishi Materials Corp ドリル
WO2014118587A1 (fr) 2013-01-30 2014-08-07 Maillefer Instruments Holding Sàrl Instrument pour l'alésage des canaux radiculaires dentaires
CA2922053A1 (en) * 2013-08-21 2015-02-26 Michael J. Scianamblo Precessional-motion bone and dental drilling tools and bone harvesting apparatus
EP2942135B1 (fr) * 2014-05-07 2023-11-29 Airbus (Sas) Procédé de perçage d'un empilage de matériaux, et dispositif de perçage
CN106001709B (zh) * 2016-05-20 2018-11-06 冯立友 完全切削凹偏刃钻头
RU2693242C1 (ru) * 2016-06-13 2019-07-01 Мицубиси Гэс Кемикал Компани, Инк. Сверло и способ формирования отверстий
WO2019204644A1 (en) 2018-04-18 2019-10-24 Scianamblo Michael J Bone matter collection apparatuses
WO2022041109A1 (zh) * 2020-08-28 2022-03-03 罗伯特·博世有限公司 用于钻削硬质材料的钻头刀片及钻头

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1407546A (en) * 1919-10-15 1922-02-21 Joseph Felix Alexander Twist drill
US2396335A (en) * 1943-07-10 1946-03-12 Westinghouse Electric Corp Art of drilling
DE1704296A1 (de) * 1967-03-15 1971-05-06 Siemens Ag Entspan- und Kuehlvorrichtung an Bohrmaschinen
SU561630A1 (ru) 1975-03-10 1977-06-15 Владимирский политехнический институт Сверло
DE2655452B2 (de) * 1976-12-07 1978-09-07 Siemens Ag, 1000 Berlin Und 8000 Muenchen Bohrer zum Bohren von Kontaktlöchern in mehrlagigen, aus Kunstharz gebildeten Leiterplatten

Also Published As

Publication number Publication date
FR2403144A1 (fr) 1979-04-13
DE2742104C2 (de) 1984-04-12
JPS5453386A (en) 1979-04-26
GB2004484A (en) 1979-04-04
FR2403144B1 (el) 1983-10-07
YU221778A (en) 1982-06-30
IT1098540B (it) 1985-09-07
IT7827597A0 (it) 1978-09-13
US4231692A (en) 1980-11-04
DE2742104A1 (de) 1979-03-29
NL7809482A (nl) 1979-03-21
GB2004484B (en) 1982-01-27

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