PL2197612T5 - Narzędzie wiertarskie z koronką wiertniczą - Google Patents

Narzędzie wiertarskie z koronką wiertniczą

Info

Publication number
PL2197612T5
PL2197612T5 PL08786180T PL08786180T PL2197612T5 PL 2197612 T5 PL2197612 T5 PL 2197612T5 PL 08786180 T PL08786180 T PL 08786180T PL 08786180 T PL08786180 T PL 08786180T PL 2197612 T5 PL2197612 T5 PL 2197612T5
Authority
PL
Poland
Prior art keywords
drill bit
coupling
base
drilling tool
driver
Prior art date
Application number
PL08786180T
Other languages
English (en)
Other versions
PL2197612T3 (pl
Inventor
Uwe Kretzschmann
Rico Schneider
Henry SCHÜTT
Matthias Luik
Matthias Oettle
Original Assignee
Komet Group Gmbh
Hartmetall-Werkzeugfabrik Paul Horn Gmbh
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=39831698&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PL2197612(T5) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Komet Group Gmbh, Hartmetall-Werkzeugfabrik Paul Horn Gmbh filed Critical Komet Group Gmbh
Publication of PL2197612T3 publication Critical patent/PL2197612T3/pl
Publication of PL2197612T5 publication Critical patent/PL2197612T5/pl

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
    • B23B51/00—Tools for drilling machines
    • B23B51/06—Drills with lubricating or cooling equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2205/00—Fixation of cutting inserts in holders
    • B23B2205/02—Fixation using an elastically deformable clamping member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2222/00—Materials of tools or workpieces composed of metals, alloys or metal matrices
    • B23B2222/32—Details of high speed steel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/02—Connections between shanks and removable cutting heads
    • 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
    • Y10T408/44—Cutting by use of rotating axially moving tool with means to apply transient, fluent medium to work or product
    • Y10T408/45—Cutting by use of rotating axially moving tool with means to apply transient, fluent medium to work or product including Tool with duct
    • 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
    • Y10T408/78—Tool of specific diverse material
    • 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
    • Y10T408/895—Having axial, core-receiving central portion
    • 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
    • Y10T408/907—Tool or Tool with support including detailed shank
    • 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
    • Y10T408/9098—Having peripherally spaced cutting edges with means to retain Tool to support
    • 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
    • Y10T408/9098—Having peripherally spaced cutting edges with means to retain Tool to support
    • Y10T408/90987—Wedge means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Earth Drilling (AREA)
PL08786180T 2007-09-14 2008-07-16 Narzędzie wiertarskie z koronką wiertniczą PL2197612T5 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102007044095A DE102007044095A1 (de) 2007-09-14 2007-09-14 Bohrwerkzeug mit Bohrkrone
EP08786180.3A EP2197612B2 (de) 2007-09-14 2008-07-16 Bohrwerkzeug mit bohrkrone
PCT/EP2008/059286 WO2009037020A1 (de) 2007-09-14 2008-07-16 Bohrwerkzeug mit bohrkrone

Publications (2)

Publication Number Publication Date
PL2197612T3 PL2197612T3 (pl) 2012-07-31
PL2197612T5 true PL2197612T5 (pl) 2020-08-10

Family

ID=39831698

Family Applications (1)

Application Number Title Priority Date Filing Date
PL08786180T PL2197612T5 (pl) 2007-09-14 2008-07-16 Narzędzie wiertarskie z koronką wiertniczą

Country Status (13)

Country Link
US (1) US8721235B2 (pl)
EP (1) EP2197612B2 (pl)
JP (1) JP2010538846A (pl)
KR (1) KR20100089822A (pl)
CN (1) CN101801576B (pl)
AT (1) ATE544552T1 (pl)
BR (1) BRPI0816945B1 (pl)
DE (1) DE102007044095A1 (pl)
ES (1) ES2380092T5 (pl)
IL (1) IL204272A (pl)
PL (1) PL2197612T5 (pl)
RU (1) RU2467837C2 (pl)
WO (1) WO2009037020A1 (pl)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL181295A (en) 2007-02-12 2011-07-31 Iscar Ltd A cutting tool that includes a self-locking release bar head
IL195804A (en) * 2008-12-09 2012-12-31 Iscar Ltd A cutting tool with a detachable cutting head that folds itself
US8864425B2 (en) * 2009-02-04 2014-10-21 Osg Corporation Bevel head replaceable rotary tool, bevel head and tool body
SE533853C2 (sv) * 2009-06-23 2011-02-08 Sandvik Intellectual Property Borrverktyg för spånavskiljande bearbetning samt löstopp härför
SE533850C2 (sv) 2009-06-23 2011-02-08 Sandvik Intellectual Property Borrverktyg av löstoppstyp
SE533851C2 (sv) 2009-06-23 2011-02-08 Sandvik Intellectual Property Borrverktyg för spånavskiljande bearbetning samt löstopp och grundkropp härför
JP4870228B2 (ja) * 2009-12-08 2012-02-08 オーエスジー株式会社 スローアウェイ式回転工具
SE534648C2 (sv) 2010-03-26 2011-11-08 Sandvik Intellectual Property Roterbart verktyg för spånavskiljande bearbetning samt löstopp och grundkropp härför
DE102010025653B4 (de) * 2010-06-30 2018-09-20 Kennametal Inc. Rotations-Schneidwerkzeug
WO2012173291A1 (ko) * 2011-06-15 2012-12-20 (주)시원 임플란트 체결나사 제거용 드릴비트 및 그 안내소켓
DE102012200690B4 (de) * 2012-01-18 2021-06-17 Kennametal Inc. Rotationswerkzeug sowie Schneidkopf für ein solches Rotationswerkzeug
CN106862600A (zh) * 2012-06-01 2017-06-20 株式会社日研工作所 端铣刀的柄部构造
US9409241B2 (en) * 2012-12-13 2016-08-09 Iscar, Ltd. Cutting tool and replaceable cutting head having spiral driven surfaces therefor
US9498829B2 (en) 2013-03-06 2016-11-22 Allied Machine & Engineering Corp. Drilling system for deep holes
DE102013205889B3 (de) 2013-04-03 2014-05-28 Kennametal Inc. Kupplungsteil, insbesondere Schneidkopf für ein Rotationswerkzeug sowie ein derartiges Rotationswerkzeug
USD734790S1 (en) * 2013-06-12 2015-07-21 Element Six (Production) (Pty) Ltd Drill bit tip
DE102013220884B4 (de) 2013-10-15 2022-02-17 Kennametal Inc. Modulares Trägerwerkzeug sowie Werkzeugkopf
KR101509954B1 (ko) * 2013-10-29 2015-04-07 한국야금 주식회사 절삭 인서트 및 인덱서블 드릴
CN103660044B (zh) * 2013-12-03 2015-11-18 常州深倍超硬材料有限公司 具有冷却结构的组合刀具
DE102014103906B4 (de) * 2014-03-21 2022-08-25 Gühring KG Partiell gehärtetes Drehwerkzeug und diesbezügliches Herstellverfahren
DE102014206796B4 (de) 2014-04-08 2020-10-15 Kennametal Inc. Rotationswerkzeug, insbesondere Bohrer sowie Schneidkopf für ein solches Rotationswerkzeug
DE102015106082A1 (de) * 2014-04-24 2015-10-29 Kennametal India Ltd. Schneidwerkzeug mit auswechselbarem Schneideinsatz und geneigten Befestigungselementen
US9468979B2 (en) * 2014-06-17 2016-10-18 Iscar, Ltd. Rotary cutting tool including cutting head having coupling pin with guiding and fastening recesses
JP1526223S (pl) 2014-08-01 2015-06-15
JP1526222S (pl) 2014-08-01 2015-06-15
CN104759664A (zh) * 2015-04-21 2015-07-08 成都锋宜精密工具制造有限公司 自锁式可换头硬质合金钻头
CN104907613A (zh) * 2015-05-18 2015-09-16 浙江欣兴工具有限公司 一种可换刀头式钻头
CN104907612B (zh) * 2015-05-18 2018-03-09 浙江欣兴工具有限公司 一种可换刀头式结构的钻头
DE102015211744B4 (de) 2015-06-24 2023-07-20 Kennametal Inc. Rotationswerkzeug, insbesondere Bohrer, und Schneidkopf für ein solches Rotationswerkzeug
USD798922S1 (en) 2015-10-07 2017-10-03 Kennametal Inc. Cutting head for rotary drill
USD798921S1 (en) 2015-10-07 2017-10-03 Kennametal Inc. Cutting head for modular drill
US10071430B2 (en) 2015-10-07 2018-09-11 Kennametal Inc. Cutting head, rotary tool and support for the rotary tool and for the accommodation of the cutting head
US9937567B2 (en) * 2015-10-07 2018-04-10 Kennametal Inc. Modular drill
DE102015220777B4 (de) * 2015-10-23 2020-08-13 Kennametal Inc. Werkzeugkupplung zwischen zwei Kupplungsteilen sowie Kupplungsteil für eine solche Werkzeugkupplung
DE102015220791B4 (de) * 2015-10-23 2020-08-13 Kennametal Inc. Rotationswerkzeug, insbesondere Bohrer sowie Schneidkopf für ein solches Rotationswerkzeug
CN105569573A (zh) * 2015-12-15 2016-05-11 武汉地大长江钻头有限公司 适用于月球钻探取心的pdc钻头
US11235397B2 (en) * 2016-12-16 2022-02-01 Kennametal Inc. Side-activated modular drill
EP3338930B1 (en) * 2016-12-23 2020-06-17 Walter Ag A ball nose end mill insert, a ball nose end mill tool body and a ball nose end mill
RU2675790C2 (ru) * 2017-01-10 2018-12-25 Анна Борисовна Шмелева Способ криминалистического контроля спиленного леса и устройство для его осуществления
DE102017204452B4 (de) 2017-03-16 2022-02-17 Kennametal Inc. Rotationswerkzeug
DE102017205166B4 (de) * 2017-03-27 2021-12-09 Kennametal Inc. Modulares Rotationswerkzeug und modulares Werkzeugsystem
WO2018202605A1 (en) * 2017-05-02 2018-11-08 Straumann Holding Ag Dental drill
DE102017212054B4 (de) 2017-07-13 2019-02-21 Kennametal Inc. Verfahren zur Herstellung eines Schneidkopfes sowie Schneidkopf
DE102017214165B4 (de) * 2017-08-14 2021-10-14 Kennametal Inc. Rotationswerkzeug sowie Träger und Schneideinsatz für ein solches
US10799958B2 (en) 2017-08-21 2020-10-13 Kennametal Inc. Modular rotary cutting tool
CN107575162A (zh) * 2017-09-15 2018-01-12 陈彬 一种建筑用打孔装置及其工作方法
EP3488952B1 (en) * 2017-11-24 2024-03-13 Seco Tools Ab A method for manufacturing a tool head
US11110521B2 (en) * 2018-03-07 2021-09-07 Iscar, Ltd. Rotary cutting head having a rigid mounting protuberance and rotary cutting tool
DE102019116160A1 (de) 2018-06-20 2019-12-24 Kennametal Inc. Seitlich geschlossener modularer Bohrer mit federunterstütztem Auswurf
CN109465483B (zh) * 2018-12-07 2020-06-26 西安交通大学 一种具有自冷却润滑结构的切削刀具
US11090736B2 (en) 2018-12-10 2021-08-17 Kennametal Inc. Side-activated modular drill
CN112077370A (zh) 2019-06-13 2020-12-15 肯纳金属印度有限公司 可转位钻头刀片
US11471952B2 (en) 2020-03-19 2022-10-18 Kennametal Inc. Cutting tool having replaceable cutting head and method of securing a replaceable cutting head
USD1009108S1 (en) 2020-09-21 2023-12-26 Kyocera Unimerco Tooling A/S Drill
US11883888B2 (en) 2021-06-28 2024-01-30 Kennametal Inc. Modular drill with enhanced bump-off capability
CN115026332A (zh) * 2022-07-18 2022-09-09 杭州超尔切削工具有限公司 一种可换头式钻头

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1017352A (en) * 1911-12-21 1912-02-13 Frederick A Wagner Combined drill, center-reamer, and countersink tool.
DE3106120A1 (de) * 1981-02-19 1983-01-13 Iscar Hartmetall GmbH, 7505 Ettlingen Werkzeughalterung zur aufnahme einer schneidplatte
SU1248729A1 (ru) * 1984-12-03 1986-08-07 Ленинградский Ордена Ленина И Ордена Красного Знамени Механический Институт Сверлильна головка
US5011342A (en) * 1988-03-14 1991-04-30 501 Greenfield Industries, Inc. Twist drill
DE4239311C2 (de) * 1992-11-23 1996-04-18 Guehring Joerg Dr Bohrer, insbesondere Spitzbohrwerkzeug mit austauschbarem Schneideinsatz
IL105758A (en) * 1993-05-20 1996-01-31 Iscar Ltd A drill with a mark that can be marked
AU4830696A (en) * 1995-03-03 1996-09-23 Komet Prazisionswerkzeuge Robert Breuning Gmbh Drilling tool
WO1997003792A1 (de) * 1995-07-14 1997-02-06 Kennametal Hertel Ag Werkzeuge + Hartstoffe Bohrer mit kühlschmierstoffkanal
US6116825A (en) * 1995-08-08 2000-09-12 Kennametal Hertel Ag Werkzeuge + Hartstoffe Rotating cutting tool with a coolant passage and a method of providing it with coolant
DE19543233A1 (de) * 1995-11-07 1997-05-15 Johne & Co Praezisionswerkzeug Bohrwerkzeug mit auswechselbarer Spitze
JP2905142B2 (ja) * 1996-05-08 1999-06-14 富士精工株式会社 ドリル
SE511429C2 (sv) * 1996-09-13 1999-09-27 Seco Tools Ab Verktyg, skärdel, verktygskropp för skärande bearbetning samt metod för montering av skärdel till verktygskropp
IL120948A0 (en) * 1997-05-29 1997-09-30 Iscar Ltd Cutting tool assembly
CA2379637A1 (en) * 1999-08-03 2001-02-08 Kennametal Inc. Drill bit having a replaceable cutting head
DE10042990A1 (de) * 2000-09-01 2002-03-28 Kennametal Inc Rundlauf-Schneidwerkzeug, z. B. Bohrer
US6485235B1 (en) * 2001-05-08 2002-11-26 Allied Machine & Engineering Corp. Cutting tool assembly with replaceable cutting head
US6506003B1 (en) * 2001-10-02 2003-01-14 Kennametal Inc. Cutting tool
SE523616C2 (sv) 2001-10-25 2004-05-04 Sandvik Ab Roterbart verktyg för spånavskiljande bearbetning med kopplingsanordning med elastiska skänklar
DE10207257B4 (de) * 2002-02-21 2021-02-18 Kennametal Inc. Rundlaufschneidwerkzeug mit auswechselbarem Schneideinsatz
JP2005014165A (ja) * 2003-06-26 2005-01-20 Kyocera Corp スローアウェイドリル
DE10333340A1 (de) * 2003-07-23 2005-02-17 Kennametal Inc. Bohrer
US7419049B2 (en) * 2004-02-20 2008-09-02 Henry James D Archimedean conveyors and combustion engines
IL162147A (en) * 2004-05-24 2008-03-20 Gil Hecht Drill with interchangeable head
IL163679A (en) * 2004-08-23 2009-02-11 Gil Hecht Buy a drill
US7244081B2 (en) * 2004-09-09 2007-07-17 Ingersoll Cutting Tool Company Drill adapter for drill having central and lateral cutting inserts
US7309196B2 (en) * 2004-10-05 2007-12-18 Kennametal Inc. Modular drill
JP2006128238A (ja) * 2004-10-27 2006-05-18 Aqua Science Kk 対象物処理装置および対象物処理方法
IL164888A (en) * 2004-10-28 2009-07-20 Iscar Ltd Cutting tool and cutting head for it
RU2294266C1 (ru) * 2005-09-19 2007-02-27 Нина Алексеевна Корюкина Фреза
WO2008014367A1 (en) * 2006-07-26 2008-01-31 Allied Machine & Engineering Corp. Cutting tool with replaceable tip

Also Published As

Publication number Publication date
IL204272A (en) 2015-05-31
BRPI0816945A8 (pt) 2018-05-08
ES2380092T3 (es) 2012-05-08
JP2010538846A (ja) 2010-12-16
RU2467837C2 (ru) 2012-11-27
WO2009037020A1 (de) 2009-03-26
EP2197612B2 (de) 2020-02-12
RU2010114754A (ru) 2011-10-20
ATE544552T1 (de) 2012-02-15
DE102007044095A1 (de) 2009-03-19
BRPI0816945A2 (pt) 2015-03-24
KR20100089822A (ko) 2010-08-12
PL2197612T3 (pl) 2012-07-31
CN101801576A (zh) 2010-08-11
CN101801576B (zh) 2012-09-12
EP2197612A1 (de) 2010-06-23
EP2197612B1 (de) 2012-02-08
ES2380092T5 (es) 2020-08-13
US20100266357A1 (en) 2010-10-21
BRPI0816945B1 (pt) 2019-10-15
US8721235B2 (en) 2014-05-13

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