AT247537T - twist drill - Google Patents

twist drill

Info

Publication number
AT247537T
AT247537T AT98304288T AT98304288T AT247537T AT 247537 T AT247537 T AT 247537T AT 98304288 T AT98304288 T AT 98304288T AT 98304288 T AT98304288 T AT 98304288T AT 247537 T AT247537 T AT 247537T
Authority
AT
Austria
Prior art keywords
twist drill
twist
drill
Prior art date
Application number
AT98304288T
Other languages
German (de)
Inventor
Rickey J Thomas
Original Assignee
Black & Decker Inc
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
Priority to US4801697P priority Critical
Application filed by Black & Decker Inc filed Critical Black & Decker Inc
Publication of AT247537T publication Critical patent/AT247537T/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B51/00Tools for drilling machines
    • B23B51/02Twist drills
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B1/00Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/02Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements
    • B24B19/04Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements for fluting drill shanks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B2251/00Details of tools for drilling machines
    • B23B2251/18Configuration of the drill point
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B2251/00Details of tools for drilling machines
    • B23B2251/40Flutes, i.e. chip conveying grooves
    • B23B2251/404Flutes, i.e. chip conveying grooves with decreasing depth in a direction towards the shank from the tool tip
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B2251/00Details of tools for drilling machines
    • B23B2251/60Drills with pilots
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00Cutting by use of rotating axially moving tool
    • Y10T408/89Tool or Tool with support
    • Y10T408/905Having stepped cutting edges
    • Y10T408/906Axially spaced
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00Cutting by use of rotating axially moving tool
    • Y10T408/89Tool or Tool with support
    • Y10T408/907Tool or Tool with support including detailed shank
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00Cutting by use of rotating axially moving tool
    • Y10T408/89Tool or Tool with support
    • Y10T408/909Having peripherally spaced cutting edges
    • Y10T408/9095Having peripherally spaced cutting edges with axially extending relief channel
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00Cutting by use of rotating axially moving tool
    • Y10T408/89Tool or Tool with support
    • Y10T408/909Having peripherally spaced cutting edges
    • Y10T408/9095Having peripherally spaced cutting edges with axially extending relief channel
    • Y10T408/9097Spiral channel
AT98304288T 1997-05-29 1998-05-29 twist drill AT247537T (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US4801697P true 1997-05-29 1997-05-29

Publications (1)

Publication Number Publication Date
AT247537T true AT247537T (en) 2003-09-15

Family

ID=21952304

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98304288T AT247537T (en) 1997-05-29 1998-05-29 twist drill

Country Status (8)

Country Link
US (2) US6050754A (en)
EP (1) EP0893185B1 (en)
CN (1) CN1107566C (en)
AT (1) AT247537T (en)
CA (1) CA2239240C (en)
DE (1) DE69817276T2 (en)
DK (1) DK0893185T3 (en)
ES (1) ES2201412T3 (en)

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AT247537T (en) * 1997-05-29 2003-09-15 Black & Decker Inc twist drill
IL131119D0 (en) * 1999-07-26 2001-01-28 Hanita Metal Works Ltd Milling cutter
CA2327937C (en) * 1999-12-10 2009-01-20 Maxtech Manufacturing Inc. Drill bit for non-linear drilling
US6443674B1 (en) 2000-05-19 2002-09-03 Ics Cutting Tools, Inc. Self-centering twist drill having a modified flat bottom section and a helical crown point tip
SE516229C2 (en) * 2000-05-26 2001-12-03 Eero Nygaard drill point
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
US6431962B1 (en) 2000-10-05 2002-08-13 Kennametal Inc. Method and apparatus for making a cutting tool having a flute
US6419561B1 (en) 2000-10-05 2002-07-16 Kennametal Inc. Method and apparatus for making a cutting tool having a plurality of margins
US6602029B1 (en) 2000-10-05 2003-08-05 Kennametal Inc. Cutting tool and method and apparatus for making the same
US6663808B2 (en) * 2001-01-26 2003-12-16 Milliken & Company Method of producing textile reinforced thermoplastic or thermoset pipes utilizing modified dorn structures
DE20210909U1 (en) * 2002-07-18 2003-05-15 Hakos Praez Swerkzeuge Hakenjo drilling
US7832966B2 (en) * 2003-01-30 2010-11-16 Kennametal Inc. Drill for making flat bottom hole
US7140815B2 (en) * 2003-01-30 2006-11-28 Kennametal Inc. Drill for making flat bottom hole
GB2405606A (en) * 2003-09-08 2005-03-09 Black & Decker Inc Self-centering drill bit with pilot tip
EP1512476B1 (en) * 2003-09-08 2013-10-09 Black & Decker Inc. Self-centering drill bit with pilot tip
US7520703B2 (en) * 2004-09-07 2009-04-21 Black & Decker Inc. Twist drill with a pilot tip
US20050053439A1 (en) * 2003-09-09 2005-03-10 Yuhong Wang Two-flute twist drill
US7455129B2 (en) * 2003-11-17 2008-11-25 Robert Bosch Gmbh Drilling and/or chiseling tool
US7101125B2 (en) * 2003-12-17 2006-09-05 Kennametal Inc. Twist drill
DE102004026014B4 (en) * 2004-05-27 2008-04-17 Horst Miebach Gmbh twist drill
DE102004058163A1 (en) * 2004-12-02 2006-06-08 Kennametal Inc. Drilling / chamfering tool
DE502006006845D1 (en) * 2005-02-22 2010-06-10 Geistlich Soehne Ag Post anchors and with this post-provided
JPWO2007010601A1 (en) * 2005-07-20 2009-01-29 オーエスジー株式会社 drill
GB2428611B (en) 2005-08-02 2007-10-03 Dormer Tools Twist drill
KR100797797B1 (en) 2006-01-11 2008-01-24 현일균 Cutting tool and Manufacturing method of the same
WO2008033872A2 (en) * 2006-09-12 2008-03-20 Vidacare Corporation Biopsy devices and related methods
ES2612955T3 (en) 2006-09-12 2017-05-19 Vidacare LLC Suction devices marrow
US20080166194A1 (en) * 2007-01-09 2008-07-10 Durfee Laverne R Drill bit
US20100003094A1 (en) * 2007-01-09 2010-01-07 Irwin Industrial Tool Company Drill bit
JP4809283B2 (en) * 2007-04-23 2011-11-09 ユニオンツール株式会社 Rotary cutting tool
DE102007050050A1 (en) * 2007-10-17 2009-04-23 Kennametal Inc. Rotary tool, in particular a drill
US8070397B2 (en) * 2008-02-19 2011-12-06 Irwin Industrial Tool Company Self feed bit
JP2011514263A (en) * 2008-03-19 2011-05-06 リー、シーチン Spiral-shaped plug-bytes
SE532432C2 (en) * 2008-05-09 2010-01-19 Sandvik Intellectual Property Drill body with primary and secondary clearance surfaces
US8740515B2 (en) * 2008-09-03 2014-06-03 Black & Decker Inc. Metal cutting drill bit
US20100307640A1 (en) * 2009-06-03 2010-12-09 Durfee La Verne R Cutting edge and cutting tool
IL211236D0 (en) * 2011-02-15 2011-04-28 Vladimir Volokh Rotary cutter
EP2502708B1 (en) 2011-03-22 2017-02-01 Black & Decker Inc. Chisels
KR20130032671A (en) * 2011-09-23 2013-04-02 대구텍 유한회사 Drilling tool for composite material
US9656331B2 (en) * 2011-11-15 2017-05-23 Kennametal Inc. System and method for simultaneously forming flutes in solid carbide tools
US9579732B2 (en) 2012-07-18 2017-02-28 Milwaukee Electric Tool Corporation Hole saw
USD734792S1 (en) 2013-03-15 2015-07-21 Black & Decker Inc. Drill bit
USD737875S1 (en) 2013-03-15 2015-09-01 Black & Decker Inc. Drill bit
EP2842673B1 (en) 2013-08-29 2018-11-21 Black & Decker Inc. Drill bit
US9333564B2 (en) 2013-03-15 2016-05-10 Black & Decker Inc. Drill bit
CN104174907A (en) * 2013-05-21 2014-12-03 苏州锑玛精密机械有限公司 Internal cooling drill
CN104174904A (en) * 2013-05-21 2014-12-03 苏州锑玛精密机械有限公司 High-precision inner-cooling drill
WO2014197761A1 (en) 2013-06-06 2014-12-11 Milwaukee Electric Tool Corporation Step drill bit
DE102014212714A1 (en) 2014-07-01 2016-01-07 Kennametal Inc. drill head

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Also Published As

Publication number Publication date
EP0893185B1 (en) 2003-08-20
DE69817276D1 (en) 2003-09-25
US6190097B1 (en) 2001-02-20
DK893185T3 (en)
ES2201412T3 (en) 2004-03-16
US6050754A (en) 2000-04-18
DE69817276T2 (en) 2004-02-19
CA2239240A1 (en) 1998-11-29
CA2239240C (en) 2005-08-09
CN1107566C (en) 2003-05-07
CN1223184A (en) 1999-07-21
DK0893185T3 (en) 2003-09-08
EP0893185A1 (en) 1999-01-27

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