DE69617692T2 - Bohr - Google Patents

Bohr

Info

Publication number
DE69617692T2
DE69617692T2 DE69617692T DE69617692T DE69617692T2 DE 69617692 T2 DE69617692 T2 DE 69617692T2 DE 69617692 T DE69617692 T DE 69617692T DE 69617692 T DE69617692 T DE 69617692T DE 69617692 T2 DE69617692 T2 DE 69617692T2
Authority
DE
Germany
Prior art keywords
drill
cutting
edge
rake angle
rotation
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69617692T
Other languages
German (de)
English (en)
Other versions
DE69617692D1 (en
Inventor
Ralph C. Mays
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pro Post Corp Tusla Okla Us
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of DE69617692D1 publication Critical patent/DE69617692D1/de
Application granted granted Critical
Publication of DE69617692T2 publication Critical patent/DE69617692T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B23B2251/18—Configuration of the drill point
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/20—Number of cutting edges
    • B23B2251/201—Single cutting edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/20—Number of cutting edges
    • B23B2251/202—Three 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
    • B23B2251/24—Overall form of drilling tools
    • B23B2251/241—Cross sections of the diameter of the drill
    • 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
    • B23B2251/282—Unequal spacing of cutting edges in the circumferential direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/40—Flutes, i.e. chip conveying grooves
    • B23B2251/406—Flutes, i.e. chip conveying grooves of special form not otherwise provided for
    • 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
    • Y10T408/899—Having inversely angled cutting edge
    • 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
    • Y10T408/905—Having stepped cutting edges
    • 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)
DE69617692T 1995-07-27 1996-07-19 Bohr Expired - Lifetime DE69617692T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US156995P 1995-07-27 1995-07-27
PCT/US1996/012002 WO1997004908A1 (en) 1995-07-27 1996-07-19 Drill bit

Publications (2)

Publication Number Publication Date
DE69617692D1 DE69617692D1 (en) 2002-01-17
DE69617692T2 true DE69617692T2 (de) 2002-08-08

Family

ID=21696738

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69617692T Expired - Lifetime DE69617692T2 (de) 1995-07-27 1996-07-19 Bohr

Country Status (5)

Country Link
US (1) US5947659A (enExample)
EP (1) EP0840659B1 (enExample)
JP (1) JPH11510103A (enExample)
DE (1) DE69617692T2 (enExample)
WO (1) WO1997004908A1 (enExample)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE252436T1 (de) 1997-03-25 2003-11-15 Guehring Joerg Dr Bohrwerkzeug
DE19720589A1 (de) * 1997-05-16 1998-11-19 Hilti Ag Bohrwerkzeug
US9199315B2 (en) 2000-06-02 2015-12-01 Kennametal Inc. Twist drill and method for producing a twist drill which method includes forming a flute of a twist drill
DE10027544A1 (de) * 2000-06-02 2001-12-13 Kennametal Inc Bohrerspitze für einen Spiralbohrer und Verfahren zum Herstellen einer Spannut im Bereich einer Bohrerspitze für einen Spiralbohrer
US6641395B2 (en) 2000-08-02 2003-11-04 Nobel Biocare Ab Endosseous implant drill
DE10042990A1 (de) * 2000-09-01 2002-03-28 Kennametal Inc Rundlauf-Schneidwerkzeug, z. B. Bohrer
WO2004014241A1 (en) 2002-08-08 2004-02-19 Liam Patrick Ellis A drill bit and method for producing a drill bit
DE10337203A1 (de) * 2003-08-13 2005-03-31 Kennametal Inc. Bohrwerkzeug
US20050053439A1 (en) * 2003-09-09 2005-03-10 Yuhong Wang Two-flute twist drill
JP3801606B2 (ja) * 2004-12-01 2006-07-26 ユニオンツール株式会社 ドリル
US7153067B2 (en) * 2005-02-18 2006-12-26 Greenwood Mark L Rotary cutting tool having multiple helical cutting edges with differing helix angles
US20060188345A1 (en) * 2005-02-18 2006-08-24 Greenwood Mark L Rotary cutting tool with pairs of helical cutting edges having different helix angles
CN100368115C (zh) * 2005-04-10 2008-02-13 江苏飞达工具股份有限公司 一种提高轧制麻花钻使用寿命的方法
US20060246394A1 (en) * 2005-04-27 2006-11-02 Giuseppe Cantatore Endodontic files having improved lateral and torsional flexibility
US7455485B2 (en) * 2005-08-31 2008-11-25 Robert Bosch Gmbh Cutout bit for use with rotary tool
CN2820394Y (zh) * 2005-09-14 2006-09-27 江苏天工工具股份有限公司 一种分屑强力钻
CN101389432B (zh) * 2006-02-23 2011-08-31 国立大学法人东京农工大学 非轴对称刃钻头
US7367754B1 (en) 2006-07-07 2008-05-06 Greenwood Mark L Variable helix rotary cutting tool
US20080019787A1 (en) * 2006-07-24 2008-01-24 Karthikeyan Sampath Drill for machining fiber reinforced composite material
SE532360C2 (sv) * 2006-12-06 2009-12-22 Irwin Ind Tool Co Borrskär
DE102007024184A1 (de) * 2007-05-24 2008-11-27 Kennametal Inc. Bohrer sowie Verfahren zum Bohren
US8070398B2 (en) * 2008-02-19 2011-12-06 Irwin Industrial Tool Company Multi-blade self feed bit
JP2009255251A (ja) * 2008-04-18 2009-11-05 Tokyo Univ Of Agriculture & Technology ツイストドリル
US20100003637A1 (en) * 2008-07-03 2010-01-07 Johnson William B Dental File with Improved Tip Configuration
JP4564562B2 (ja) * 2008-11-28 2010-10-20 ユニオンツール株式会社 穴明け工具
DE102009012725B4 (de) 2009-03-11 2020-10-15 Kennametal Inc. Bohrerspitze sowie Bohrwerkzeug mit einer Bohrerspitze
US8911474B2 (en) 2009-07-16 2014-12-16 Howmedica Osteonics Corp. Suture anchor implantation instrumentation system
AU2010212441B2 (en) 2009-08-20 2013-08-01 Howmedica Osteonics Corp. Flexible ACL instrumentation, kit and method
US8945914B1 (en) 2010-07-08 2015-02-03 Sandia Corporation Devices, systems, and methods for conducting sandwich assays using sedimentation
US9795398B2 (en) 2011-04-13 2017-10-24 Howmedica Osteonics Corp. Flexible ACL instrumentation, kit and method
US9445803B2 (en) 2011-11-23 2016-09-20 Howmedica Osteonics Corp. Filamentary suture anchor
US9808242B2 (en) 2012-04-06 2017-11-07 Howmedica Osteonics Corp. Knotless filament anchor for soft tissue repair
US20140039552A1 (en) 2012-08-03 2014-02-06 Howmedica Osteonics Corp. Soft tissue fixation devices and methods
US9078740B2 (en) 2013-01-21 2015-07-14 Howmedica Osteonics Corp. Instrumentation and method for positioning and securing a graft
US9211593B2 (en) 2013-02-13 2015-12-15 Iscar, Ltd. End mill having an asymmetric index angle arrangement for machining titanium
US9211594B2 (en) 2013-02-13 2015-12-15 Iscar, Ltd. End mill having a symmetric index angle arrangement for machining titanium
US9402620B2 (en) 2013-03-04 2016-08-02 Howmedica Osteonics Corp. Knotless filamentary fixation devices, assemblies and systems and methods of assembly and use
FR3004746B1 (fr) * 2013-04-19 2015-05-15 Diager Plaquette de coupe
WO2014176270A1 (en) 2013-04-22 2014-10-30 Pivot Medical, Inc. Method and apparatus for attaching tissue to bone
WO2015028431A1 (de) * 2013-08-30 2015-03-05 MAPAL Fabrik für Präzisionswerkzeuge Dr. Kress KG Bohrer
US9986992B2 (en) 2014-10-28 2018-06-05 Stryker Corporation Suture anchor and associated methods of use
US10040136B2 (en) 2015-10-12 2018-08-07 Iscar, Ltd. End mill having teeth and associated flutes with correlated physical parameters
EP3199111A1 (en) * 2016-01-27 2017-08-02 Universität Bern Surgical drill bit
US11045287B2 (en) 2016-01-29 2021-06-29 Nobel Biocare Services Ag Dentistry tool
JP6132377B1 (ja) * 2016-06-08 2017-05-24 株式会社ビック・ツール 歯科用ドリル及び該歯科用ドリルを用いた歯科インプラント埋込のための穿孔方法
US10195675B2 (en) * 2017-03-02 2019-02-05 Kennametal Inc. Twist drill with unequal flute spacing and unequal relief angles
US10610243B2 (en) 2017-10-09 2020-04-07 Acumed Llc System and method for installing a bicortical implant in bone
CN109807373B (zh) * 2017-11-22 2020-08-25 有晙精密工具有限公司 半圆钻头
TWI657882B (zh) * 2018-02-02 2019-05-01 香港商創國興業有限公司 鑽頭結構

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE415644A (enExample) * 1935-05-20
US2396335A (en) * 1943-07-10 1946-03-12 Westinghouse Electric Corp Art of drilling
US2576664A (en) * 1949-12-02 1951-11-27 Gen Electric Twist drill
SU485871A1 (ru) * 1973-04-06 1975-09-30 Владимирский политехнический институт Сверло перовое
JPS57107716A (en) * 1980-12-25 1982-07-05 Tanaka Kikinzoku Kogyo Kk Drill
DE3233968A1 (de) * 1982-09-14 1984-03-15 Hartmetallwerkzeugfabrik Andreas Maier GmbH + Co KG, 7959 Schwendi Mehrlippenbohrer
EP0211106A3 (de) * 1985-08-03 1987-09-02 HAWERA Präzisionswerkzeuge GmbH Mehrlippenbohrer
JPH01216707A (ja) * 1988-02-23 1989-08-30 Masao Kubota ドリル
JPH03502664A (ja) * 1988-10-21 1991-06-20 ズブコフ　アレクセイ　ウラディミロヴィッチ スパイラルドリル
JPH0556312U (ja) * 1992-01-16 1993-07-27 株式会社ツボ万 ドリル
DE4301261A1 (de) * 1993-01-19 1994-07-21 Emhart Inc Bohrwerkzeug nach Art eines Spiralbohrers
ES2127407T3 (es) * 1993-08-06 1999-04-16 Kennametal Hertel Ag Broca helicoidal.

Also Published As

Publication number Publication date
JPH11510103A (ja) 1999-09-07
US5947659A (en) 1999-09-07
DE69617692D1 (en) 2002-01-17
WO1997004908A1 (en) 1997-02-13
EP0840659B1 (en) 2001-12-05
EP0840659A1 (en) 1998-05-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PRO POST CORP., TUSLA, OKLA, US

8381 Inventor (new situation)

Inventor name: MAYS, RALPH C., TULSA, OK 74146, US

8328 Change in the person/name/address of the agent

Representative=s name: PRINZ UND PARTNER GBR, 80335 MUENCHEN