EP0654580A3 - Twist drill. - Google Patents

Twist drill. Download PDF

Info

Publication number
EP0654580A3
EP0654580A3 EP94810562A EP94810562A EP0654580A3 EP 0654580 A3 EP0654580 A3 EP 0654580A3 EP 94810562 A EP94810562 A EP 94810562A EP 94810562 A EP94810562 A EP 94810562A EP 0654580 A3 EP0654580 A3 EP 0654580A3
Authority
EP
European Patent Office
Prior art keywords
twist drill
twist
drill
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.)
Granted
Application number
EP94810562A
Other languages
German (de)
French (fr)
Other versions
EP0654580B1 (en
EP0654580A2 (en
Inventor
Axel Neukirchen
Rainer Batliner
Maximilian Stoeck
Ralf Baumann
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.)
Hilti AG
Original Assignee
Hilti 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 Hilti AG filed Critical Hilti AG
Publication of EP0654580A2 publication Critical patent/EP0654580A2/en
Publication of EP0654580A3 publication Critical patent/EP0654580A3/en
Application granted granted Critical
Publication of EP0654580B1 publication Critical patent/EP0654580B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/14—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/58—Chisel-type inserts
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
    • E21B10/445—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts percussion type, e.g. for masonry
EP94810562A 1993-11-18 1994-09-27 Twist drill Expired - Lifetime EP0654580B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4339245A DE4339245A1 (en) 1993-11-18 1993-11-18 Twist drill
DE4339245 1993-11-18

Publications (3)

Publication Number Publication Date
EP0654580A2 EP0654580A2 (en) 1995-05-24
EP0654580A3 true EP0654580A3 (en) 1995-11-02
EP0654580B1 EP0654580B1 (en) 1997-08-20

Family

ID=6502805

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94810562A Expired - Lifetime EP0654580B1 (en) 1993-11-18 1994-09-27 Twist drill

Country Status (7)

Country Link
US (1) US5492187A (en)
EP (1) EP0654580B1 (en)
JP (1) JP3441819B2 (en)
KR (1) KR100313617B1 (en)
CN (1) CN1044023C (en)
DE (2) DE4339245A1 (en)
DK (1) DK0654580T3 (en)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2318072A (en) * 1996-09-21 1998-04-15 Plansee Tizit Gmbh Masonry bit
DE19650487A1 (en) * 1996-12-05 1998-06-10 Hilti Ag Drilling tool
DE19703994B4 (en) * 1997-02-03 2006-04-20 Drebo Werkzeugfabrik Gmbh drill
DE19709771B4 (en) * 1997-03-10 2008-03-20 Drebo Werkzeugfabrik Gmbh rock drill
DE19724373A1 (en) 1997-06-10 1998-12-17 Hilti Ag Rock drill
DE19810192A1 (en) * 1998-03-10 1999-09-16 Hilti Ag Drilling tool
US6039127A (en) * 1998-03-13 2000-03-21 Loudon Enterprises, Inc. Rock drill
DE29901285U1 (en) * 1999-01-26 1999-06-17 Plica Werkzeugfabrik Ag Drilling tool
US6374931B1 (en) * 1999-11-03 2002-04-23 Relton Corporation Multiple cutter rotary hammer bit
DE10009732A1 (en) 2000-03-02 2001-09-06 Hawera Probst Gmbh Rock drill has drill head, spiral conveyor with main and subsidiary webs, conveyor edges, main and subsidiary cutter-blades.
SE519575C2 (en) * 2000-04-11 2003-03-18 Sandvik Ab Metal-cutting drill has a tip formed of cutting edges of a specific geometry designed to optimise metal cutting speed
DE10024433A1 (en) * 2000-05-19 2001-11-29 Hawera Probst Gmbh Rock drill
DE10053344A1 (en) * 2000-10-27 2002-05-08 Hilti Ag rock drill
DE10117262A1 (en) * 2001-01-17 2002-07-18 Hilti Ag Rock drill has head with main and subsidiary blades, curved and diametrically opposite cutting edges, and point
DE20102914U1 (en) * 2001-02-19 2001-05-03 Berner Gmbh Tungsten carbide drill bit
US7540341B2 (en) 2002-06-06 2009-06-02 Kabushiki Kaisha Miyanaga Drill bit
GB2393681A (en) 2002-10-03 2004-04-07 Black & Decker Inc Masonry drilling tool
DE10334610B4 (en) * 2003-07-29 2006-04-20 Hilti Ag wellhead
DE102004047469A1 (en) * 2004-09-30 2006-04-06 Robert Bosch Gmbh Drilling tool with a cutting element designed as a plate or head
PL1875032T3 (en) * 2005-04-28 2011-02-28 Irwin Ind Tool Company A/S A drilling tool
DE102006020538A1 (en) 2006-05-03 2007-11-15 Irwin Industrial Tools Gmbh Drilling head for drilling tool and drilling tool
DE102006000251A1 (en) * 2006-05-30 2007-12-06 Hilti Ag Hard material head and rotary impact drill
JP2008062620A (en) * 2006-09-11 2008-03-21 Miyanaga:Kk Drill bit
KR20090086965A (en) 2006-11-20 2009-08-14 가부시키 가이샤 미야나가 Superhard tip and process for producing the same
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
CN101409962B (en) 2007-10-10 2010-11-10 清华大学 Surface heat light source and preparation method thereof
CN101400198B (en) 2007-09-28 2010-09-29 北京富纳特创新科技有限公司 Surface heating light source, preparation thereof and method for heat object application
DE102007000848A1 (en) * 2007-10-11 2009-04-23 Hilti Aktiengesellschaft self-tapping
DE102007000534A1 (en) * 2007-10-19 2009-04-23 Hilti Aktiengesellschaft percussion
US7740088B1 (en) * 2007-10-30 2010-06-22 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Ultrasonic rotary-hammer drill
US8070397B2 (en) * 2008-02-19 2011-12-06 Irwin Industrial Tool Company Self feed bit
US7861807B2 (en) 2008-12-03 2011-01-04 Black & Decker Inc. Drill bit including one piece cutting head
DE102009003288A1 (en) * 2009-05-20 2010-11-25 Hilti Aktiengesellschaft drill
US20100307640A1 (en) * 2009-06-03 2010-12-09 Durfee La Verne R Cutting edge and cutting tool
DE102009028020B4 (en) * 2009-07-27 2011-07-28 Hilti Aktiengesellschaft Drill and manufacturing process
US8979445B2 (en) 2010-10-15 2015-03-17 Hanita Metal Factory Ltd Cutting tip and rotary cutting tool employing same
DE102012015371A1 (en) 2012-08-03 2014-02-06 Irwin Industrial Tool Co. Drill head for drill, such as rock drill, has main cutting edge which has rectilinear extending direction with radial-direction component, where main cutting edges have different lengths along extending directions
US9695640B2 (en) 2012-08-03 2017-07-04 Irwin Industrial Tool Company Drill head for a drill and drill
DE102012015372A1 (en) 2012-08-03 2014-02-06 Irwin Industrial Tool Co. Solid metal drill head for rock drill bit, has cavities that are covered partially in such a way that triple cavity coverage is provided in outer annular zone extended from outer periphery of cavity to intermediate periphery
CN103600334B (en) * 2013-12-04 2016-06-22 湖南科技大学 Etc. wave resistance drill bit
CN104070200A (en) * 2014-06-27 2014-10-01 唐英 Drilling machine
DE102015116587A1 (en) * 2015-09-30 2017-03-30 Drebo Werkzeugfabrik Gmbh drill
US10507534B2 (en) 2016-03-17 2019-12-17 O-Tags, Inc. Systems, methods, and apparatus for reliably installing survey tags
US10532412B2 (en) 2016-09-23 2020-01-14 Milwaukee Electric Tool Corporation Hole saw arbor assembly
EP3354385B1 (en) 2017-01-06 2020-05-27 Milwaukee Electric Tool Corporation Hole saw
USD973733S1 (en) 2017-08-15 2022-12-27 Milwaukee Electric Tool Corporation Hole saw

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE379062A (en) *
DE941182C (en) * 1952-03-18 1956-04-05 Wilhelm Steinkopf Impact drill bit for rock drill
DE2008825A1 (en) * 1970-02-25 1971-09-16 Hilti Ag, Schaan (Liechtenstein) Drill with carbide insert
EP0347602A2 (en) * 1988-06-18 1989-12-27 Hawera Probst GmbH + Co. Rock drill bit

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE367010C (en) * 1923-01-15 Georg Samuel Dipl Ing Twist drill with dovetail-shaped head made of high-speed steel
DE384720C (en) * 1921-11-11 1923-11-08 Georg Samuel Dipl Ing Fastening high-speed steel heads in drills
US2259611A (en) * 1941-03-19 1941-10-21 George M Burger Drill
GB636768A (en) * 1947-08-28 1950-05-03 Victor Products Ltd Improvements relating to drilling appliances
US3187825A (en) * 1963-08-06 1965-06-08 Gen Electric Cutter bit for roof drill
DE2348874A1 (en) * 1973-09-28 1975-04-10 Heinrich B Schaefers Hard metal tip rock drill - has tip, guide ring and lands all hardened and removable for replacement
DE3707798A1 (en) * 1987-03-11 1988-09-22 Hawera Probst Kg Hartmetall ROCK DRILL
US4817743A (en) * 1987-03-12 1989-04-04 Kennametal Inc. Butterfly-type shim having semi-opened bottom and double sandwich braze joint produced therewith
SE461024B (en) * 1988-06-23 1989-12-18 Sandvik Ab DRILL
US4893875A (en) * 1988-12-16 1990-01-16 Caterpillar Inc. Ground engaging bit having a hardened tip
US5399051A (en) * 1993-08-02 1995-03-21 Aken; Douglas G. Interchangeable head boring or driving apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE379062A (en) *
DE941182C (en) * 1952-03-18 1956-04-05 Wilhelm Steinkopf Impact drill bit for rock drill
DE2008825A1 (en) * 1970-02-25 1971-09-16 Hilti Ag, Schaan (Liechtenstein) Drill with carbide insert
EP0347602A2 (en) * 1988-06-18 1989-12-27 Hawera Probst GmbH + Co. Rock drill bit

Also Published As

Publication number Publication date
DE59403784D1 (en) 1997-09-25
EP0654580B1 (en) 1997-08-20
JP3441819B2 (en) 2003-09-02
CN1044023C (en) 1999-07-07
JPH07180463A (en) 1995-07-18
CN1107409A (en) 1995-08-30
EP0654580A2 (en) 1995-05-24
KR950013670A (en) 1995-06-15
KR100313617B1 (en) 2002-11-22
US5492187A (en) 1996-02-20
DK0654580T3 (en) 1998-04-06
DE4339245A1 (en) 1995-05-24

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