EP0653544A3 - Spiralbohrer. - Google Patents

Spiralbohrer. Download PDF

Info

Publication number
EP0653544A3
EP0653544A3 EP94810518A EP94810518A EP0653544A3 EP 0653544 A3 EP0653544 A3 EP 0653544A3 EP 94810518 A EP94810518 A EP 94810518A EP 94810518 A EP94810518 A EP 94810518A EP 0653544 A3 EP0653544 A3 EP 0653544A3
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
EP94810518A
Other languages
English (en)
French (fr)
Other versions
EP0653544B1 (de
EP0653544A2 (de
Inventor
Axel Neukirchen
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 EP0653544A2 publication Critical patent/EP0653544A2/de
Publication of EP0653544A3 publication Critical patent/EP0653544A3/de
Application granted granted Critical
Publication of EP0653544B1 publication Critical patent/EP0653544B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/22—Rods or pipes with helical structure
    • 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)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Drilling Tools (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
EP94810518A 1993-11-11 1994-09-07 Spiralbohrer Expired - Lifetime EP0653544B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4338490A DE4338490A1 (de) 1993-11-11 1993-11-11 Spiralbohrer
DE4338490 1993-11-11

Publications (3)

Publication Number Publication Date
EP0653544A2 EP0653544A2 (de) 1995-05-17
EP0653544A3 true EP0653544A3 (de) 1995-11-02
EP0653544B1 EP0653544B1 (de) 1998-06-17

Family

ID=6502330

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94810518A Expired - Lifetime EP0653544B1 (de) 1993-11-11 1994-09-07 Spiralbohrer

Country Status (6)

Country Link
US (1) US5503237A (de)
EP (1) EP0653544B1 (de)
JP (1) JPH07180464A (de)
CN (1) CN1038702C (de)
DE (2) DE4338490A1 (de)
DK (1) DK0653544T3 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19648868A1 (de) * 1996-11-26 1998-05-28 Hilti Ag Bohrwerkzeug mit hohlzylinderförmigem Trägerkörper
DE19753731A1 (de) * 1997-12-04 1999-06-10 Hawera Probst Gmbh Gesteinsbohrwerkzeug
DE10015203A1 (de) 2000-03-27 2001-10-04 Hilti Ag Wendelbohrer
DE10053343B4 (de) * 2000-10-27 2009-04-16 Hilti Aktiengesellschaft Wendelbohrer
DE10142560A1 (de) * 2001-08-30 2003-03-20 Hilti Ag Bohrkopf mit einem Schneidelement
DE102008022945A1 (de) * 2008-05-09 2009-12-03 Irwin Industrial Tools Gmbh Bohrwerkzeug, insbesondere Spiralbohrer
EP2116321B1 (de) * 2008-05-09 2014-01-08 Irwin Industrial Tool Company Bohrwerkzeug, insbesondere Spiralbohrer
DE102009033942A1 (de) * 2009-07-14 2011-01-20 MAPAL Fabrik für Präzisionswerkzeuge Dr. Kress KG Bohrer
DE102009038516A1 (de) * 2009-08-25 2011-03-03 Illinois Tool Works Inc., Glenview Gesteinsbohrer
DE102010019379A1 (de) * 2010-05-04 2011-11-10 Illinois Tool Works Inc. Bohrer, Vorrichtung zur Herstellung und Herstellungsverfahren für einen Bohrer
DE102012112781A1 (de) 2012-12-20 2014-06-26 Walter Ag Spiralbohrer
US11007583B2 (en) 2016-02-14 2021-05-18 Hongjia Wang Twist drill
EP3639956A4 (de) * 2017-06-13 2021-03-17 Sumitomo Electric Hardmetal Corp. Bohrer

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1740761A (en) * 1926-06-21 1929-12-24 Berry Francois Jacq Barthelemy Machine for rock or coal cutting
DE803291C (de) * 1949-01-26 1951-04-02 Victor Products Ltd Kohle- und Gesteins-Drehbohrer mit Schneckengang
DE2013327B1 (de) * 1970-03-20 1971-05-13 Werkzeugbau Gmbh, 8130 Starnberg Gesteinsbohrer fur Drehschlagbohr maschinen

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1307525A (en) * 1919-06-24 Ice-cutting tool
BE493510A (de) *
US1955768A (en) * 1932-12-17 1934-04-24 William E Mcdermott Coal auger bit
US3147646A (en) * 1961-10-19 1964-09-08 Universal American Corp Special purpose drill
US3667857A (en) * 1970-10-30 1972-06-06 Nat Twist Drill & Tool Co Combined drill and reamer construction
CH581520A5 (en) * 1974-04-08 1976-11-15 Lilette Finanz & Immobilien Fluted cutting tool with threaded periphery - has stronger incomplete thread at leading edge
US4285618A (en) * 1979-10-12 1981-08-25 Shanley Stephen E Jr Rotary milling cutter
JPS63283809A (ja) * 1987-05-12 1988-11-21 G N Tool Kk ニック付ドリルリ−マ
DE3919095A1 (de) * 1988-07-16 1990-01-18 Hawera Probst Kg Hartmetall Bohrwerkzeug
US4953642A (en) * 1989-03-20 1990-09-04 Skaggs Roger D Rock drill bit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1740761A (en) * 1926-06-21 1929-12-24 Berry Francois Jacq Barthelemy Machine for rock or coal cutting
DE803291C (de) * 1949-01-26 1951-04-02 Victor Products Ltd Kohle- und Gesteins-Drehbohrer mit Schneckengang
DE2013327B1 (de) * 1970-03-20 1971-05-13 Werkzeugbau Gmbh, 8130 Starnberg Gesteinsbohrer fur Drehschlagbohr maschinen

Also Published As

Publication number Publication date
CN1038702C (zh) 1998-06-10
DE59406265D1 (de) 1998-07-23
DE4338490A1 (de) 1995-05-18
US5503237A (en) 1996-04-02
DK0653544T3 (da) 1999-04-06
EP0653544B1 (de) 1998-06-17
EP0653544A2 (de) 1995-05-17
CN1107928A (zh) 1995-09-06
JPH07180464A (ja) 1995-07-18

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