CH517245A - Rock drill - Google Patents

Rock drill

Info

Publication number
CH517245A
CH517245A CH294771A CH294771A CH517245A CH 517245 A CH517245 A CH 517245A CH 294771 A CH294771 A CH 294771A CH 294771 A CH294771 A CH 294771A CH 517245 A CH517245 A CH 517245A
Authority
CH
Switzerland
Prior art keywords
rock drill
drill
rock
Prior art date
Application number
CH294771A
Other languages
German (de)
Inventor
Boehm Otto
Original Assignee
Werkzeugbau 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
Application filed by Werkzeugbau Gmbh filed Critical Werkzeugbau Gmbh
Publication of CH517245A publication Critical patent/CH517245A/en

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)
CH294771A 1970-12-02 1971-03-01 Rock drill CH517245A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702059232 DE2059232B1 (en) 1970-12-02 1970-12-02 Rock drill

Publications (1)

Publication Number Publication Date
CH517245A true CH517245A (en) 1971-12-31

Family

ID=5789730

Family Applications (1)

Application Number Title Priority Date Filing Date
CH294771A CH517245A (en) 1970-12-02 1971-03-01 Rock drill

Country Status (6)

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

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2735227C2 (en) * 1977-08-04 1983-10-27 Hawera Probst Gmbh + Co, 7980 Ravensburg Rock drill
DE3014693A1 (en) * 1980-04-16 1981-10-22 Hilti AG, 9494 Schaan ROCK DRILL
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 (en) * 1988-04-23 1989-11-02 Hawera Probst Kg Hartmetall ROCK DRILL
EP0394444A4 (en) * 1988-09-29 1991-04-03 Belorussky Politekhnichesky Institut Twist drill for making deep holes
DE3834675A1 (en) * 1988-10-12 1990-04-19 Hawera Probst Kg Hartmetall DRILLING TOOL
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 (en) * 1997-03-17 1999-07-30 Smf Int ELEMENT OF A ROTARY DRILL ROD TRAIN
DE29901296U1 (en) * 1999-01-26 1999-06-10 Plica Werkzeugfabrik Ag, Mollis Drilling tool
US7861807B2 (en) * 2008-12-03 2011-01-04 Black & Decker Inc. Drill bit including one piece cutting head
EP2876246B1 (en) * 2013-11-21 2019-05-01 BAUER Maschinen GmbH Auger drive for drilling into soil

Also Published As

Publication number Publication date
DE2059232B1 (en) 1972-03-09
US3749189A (en) 1973-07-31
DK139664B (en) 1979-03-26
FR2117010A5 (en) 1972-07-21
NL7102713A (en) 1972-06-06

Similar Documents

Publication Publication Date Title
AT328352B (en) ROCK DRILLS
AT315053B (en) Hammer drill
AT317803B (en) Electropneumatic hammer drill
AT327076B (en) IMPACT DRILL
AT315780B (en) Drilling unit
AT321850B (en) SUBMERGED DRILL
AT330118B (en) ECCENTRIC DRILLING TOOL
IT984530B (en) PERFECT DRILLING MECHANISM
CH517245A (en) Rock drill
DE6939179U (en) DRILL SET
ZA714955B (en) Rock drill
AT291886B (en) Drilling rig
IT990430B (en) HAMMER DRILL
ZA707462B (en) Rock drill
AT296189B (en) Rock drill
CH520262A (en) Rock drill
CH517244A (en) Rock drill
SU486128A2 (en) Invert emulsion drilling mud
AT263594B (en) Rock drill
SE393428B (en) IMPACT DRILLING DEVICE
NL160358C (en) DRILLING CHISEL.
CH527357A (en) Rock anchor
BE770444A (en) DRILL RIVET
AT303647B (en) Drill support
AT293980B (en) Rock drill

Legal Events

Date Code Title Description
PL Patent ceased