DK139664B - Stenbor til drejeslagboremaskiner - Google Patents

Stenbor til drejeslagboremaskiner

Info

Publication number
DK139664B
DK139664B DK80071AA DK80071A DK139664B DK 139664 B DK139664 B DK 139664B DK 80071A A DK80071A A DK 80071AA DK 80071 A DK80071 A DK 80071A DK 139664 B DK139664 B DK 139664B
Authority
DK
Denmark
Prior art keywords
beach
drills
turn
stone drill
drill
Prior art date
Application number
DK80071AA
Other languages
English (en)
Inventor
O Boehm
Original Assignee
Westa Werkzeugbau
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 Westa Werkzeugbau filed Critical Westa Werkzeugbau
Publication of DK139664B publication Critical patent/DK139664B/da

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
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
DK80071AA 1970-12-02 1971-02-23 Stenbor til drejeslagboremaskiner DK139664B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702059232 DE2059232B1 (de) 1970-12-02 1970-12-02 Gesteinsbohrer

Publications (1)

Publication Number Publication Date
DK139664B true DK139664B (da) 1979-03-26

Family

ID=5789730

Family Applications (1)

Application Number Title Priority Date Filing Date
DK80071AA DK139664B (da) 1970-12-02 1971-02-23 Stenbor til drejeslagboremaskiner

Country Status (6)

Country Link
US (1) US3749189A (da)
CH (1) CH517245A (da)
DE (1) DE2059232B1 (da)
DK (1) DK139664B (da)
FR (1) FR2117010A5 (da)
NL (1) NL7102713A (da)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2735227C2 (de) * 1977-08-04 1983-10-27 Hawera Probst Gmbh + Co, 7980 Ravensburg Gesteinsbohrer
DE3014693A1 (de) * 1980-04-16 1981-10-22 Hilti AG, 9494 Schaan Gesteinsbohrer
DE3170064D1 (en) * 1980-12-24 1985-05-23 Fuji Heavy Ind Ltd Router bit
US4475850A (en) * 1981-08-16 1984-10-09 Penoza Frank J Split helix router bit
US4459881A (en) * 1981-09-08 1984-07-17 Hughes Jr Benjamin W Cable coring and stripping tool and method
US4610581A (en) * 1982-07-09 1986-09-09 Lambert Consolidated Industries, Inc. End mill and method
DE3813849A1 (de) * 1988-04-23 1989-11-02 Hawera Probst Kg Hartmetall Gesteinsbohrer
US5035552A (en) * 1988-09-29 1991-07-30 Lysenko Viktor G Twist drill for deep hole drilling
DE3834675A1 (de) * 1988-10-12 1990-04-19 Hawera Probst Kg Hartmetall Bohrwerkzeug
US5040620A (en) * 1990-10-11 1991-08-20 Nunley Dwight S Methods and apparatus for drilling subterranean wells
US5641027A (en) * 1995-01-09 1997-06-24 Utd Incorporated Drilling system
US5641028A (en) * 1995-08-10 1997-06-24 Black & Decker Inc. Drill bit with debris conveying flute
FR2760783B1 (fr) * 1997-03-17 1999-07-30 Smf Int Element d'un train de tiges de forage rotatif
DE29901296U1 (de) * 1999-01-26 1999-06-10 Plica Werkzeugfabrik Ag Bohrwerkzeug
US7861807B2 (en) * 2008-12-03 2011-01-04 Black & Decker Inc. Drill bit including one piece cutting head
EP2876246B1 (de) * 2013-11-21 2019-05-01 BAUER Maschinen GmbH Bohrschnecke zum Erdbohren

Also Published As

Publication number Publication date
US3749189A (en) 1973-07-31
CH517245A (de) 1971-12-31
NL7102713A (da) 1972-06-06
DE2059232B1 (de) 1972-03-09
FR2117010A5 (da) 1972-07-21

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