IT1111865B - Fioretto da roccia - Google Patents

Fioretto da roccia

Info

Publication number
IT1111865B
IT1111865B IT20461/79A IT2046179A IT1111865B IT 1111865 B IT1111865 B IT 1111865B IT 20461/79 A IT20461/79 A IT 20461/79A IT 2046179 A IT2046179 A IT 2046179A IT 1111865 B IT1111865 B IT 1111865B
Authority
IT
Italy
Prior art keywords
flower
rock
rock flower
Prior art date
Application number
IT20461/79A
Other languages
English (en)
Other versions
IT7920461A0 (it
Original Assignee
Hawera Probst Kg Hartmetall
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 Hawera Probst Kg Hartmetall filed Critical Hawera Probst Kg Hartmetall
Publication of IT7920461A0 publication Critical patent/IT7920461A0/it
Application granted granted Critical
Publication of IT1111865B publication Critical patent/IT1111865B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/04—Drills for trepanning
    • 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
    • E21B10/02—Core bits
    • E21B10/04—Core bits with core destroying means
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2226/00—Materials of tools or workpieces not comprising a metal
    • B23B2226/75—Stone, rock or concrete
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2260/00—Details of constructional elements
    • B23B2260/132—Serrations

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)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Earth Drilling (AREA)
IT20461/79A 1978-03-02 1979-02-23 Fioretto da roccia IT1111865B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2808885A DE2808885C2 (de) 1978-03-02 1978-03-02 Drehschlagbohrer für Gestein und dergleichen

Publications (2)

Publication Number Publication Date
IT7920461A0 IT7920461A0 (it) 1979-02-23
IT1111865B true IT1111865B (it) 1986-01-13

Family

ID=6033296

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20461/79A IT1111865B (it) 1978-03-02 1979-02-23 Fioretto da roccia

Country Status (12)

Country Link
US (1) US4258808A (it)
JP (1) JPS54127802A (it)
BR (1) BR7901267A (it)
CA (1) CA1094049A (it)
CH (1) CH641243A5 (it)
DE (1) DE2808885C2 (it)
DK (1) DK70379A (it)
FR (1) FR2418706A1 (it)
GB (1) GB2018172B (it)
IT (1) IT1111865B (it)
MX (1) MX146971A (it)
NL (1) NL7901661A (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0097879B1 (de) * 1982-06-29 1990-10-17 Gelsen, Karl-Heinz Bohrgerät
DE4204428C2 (de) * 1992-02-14 1994-02-03 Dornier Luftfahrt Hohlbohrwerkzeug zur Herstellung von zylindrischen Bohrungen
US6267179B1 (en) * 1999-04-16 2001-07-31 Schlumberger Technology Corporation Method and apparatus for accurate milling of windows in well casings
FR2917475B1 (fr) * 2007-06-13 2009-12-18 Airbus France Pieces de revolution munies de rainures d'evacuation des poussieres.
CN108145249B (zh) * 2017-11-28 2019-03-05 浙江卓怡纺织有限公司 一种金属圆盘的切槽装置
US11235398B2 (en) 2020-03-10 2022-02-01 Cutting Edge Tools Inc. Trepanning tool with plug management

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US218374A (en) * 1879-08-12 Improvement in mining-drills
FR319067A (fr) * 1902-02-25 1902-11-03 Schmitt Tamponnoir
US831056A (en) * 1906-02-14 1906-09-18 Benjamin V Gilmore Mining-drill.
US1218579A (en) * 1915-10-18 1917-03-06 Roscoe E Overman Drill.
GB202342A (en) * 1922-12-14 1923-08-23 Francis Herbert Mackintosh Improved boring apparatus
US1846177A (en) * 1928-07-16 1932-02-23 Calvin P Bascom Coal drill
GB339426A (en) * 1928-11-12 1930-12-11 Chicago Pneumatic Tool Co Boring apparatus
US1882906A (en) * 1929-11-07 1932-10-18 Cleveland Rock Drill Co Tool for fluid actuated machines
US2794623A (en) * 1947-05-23 1957-06-04 Termite Drills Inc Bit
DE804314C (de) * 1947-08-26 1951-04-19 Gewerkschaft Emscher Lippe Bohrer mit Hartmetallschneiden
US2506474A (en) * 1947-09-20 1950-05-02 Carl V Tilden Drill bit
US2579712A (en) * 1949-05-21 1951-12-25 Carl V Tilden Drill bit
GB685967A (en) * 1950-12-02 1953-01-14 Jessop William & Sons Ltd Improvements in or relating to rotary bits for coal and like drilling
US2594256A (en) * 1951-02-03 1952-04-22 Charles E Compton Mining machine head
US2840348A (en) * 1954-11-22 1958-06-24 Carl V Tilden Drill bit
US2844358A (en) * 1955-08-12 1958-07-22 Sandvikens Jernverks Ab Percussion drill bit
US2865607A (en) * 1956-11-01 1958-12-23 Carl V Tilden Drill bit
US2858109A (en) * 1957-04-08 1958-10-28 New England Carbide Tool Compa Masonry drill and starter
US3130763A (en) * 1962-09-13 1964-04-28 Schlosser Bernard Drills for cutting wooden plugs with cross grain
US3216153A (en) * 1963-07-08 1965-11-09 Diagrit Electrometallics Ltd Trepanning tool
DE1291707B (de) * 1965-03-13 1969-04-03 Hawera Probst Kg Hartmetall Gesteinsbohrer
FR1482080A (fr) * 1966-03-23 1967-05-26 J K Smit & Fils Perfectionnements apportés aux têtes de forage
GB1317198A (en) * 1970-07-20 1973-05-16 Perkins & Smith Ltd Rotary boring tools
DE2211532C2 (de) * 1972-03-10 1982-07-01 Hawera Probst Gmbh + Co, 7980 Ravensburg Bohrer mit wendelförmiger Bohrmehlnut
FR2184092A1 (it) * 1972-05-11 1973-12-21 Skil Nederland Nv
US3888320A (en) * 1973-07-13 1975-06-10 Tri M Tool Corp Core drill

Also Published As

Publication number Publication date
NL7901661A (nl) 1979-09-04
US4258808A (en) 1981-03-31
DE2808885A1 (de) 1979-09-13
FR2418706B1 (it) 1983-02-04
IT7920461A0 (it) 1979-02-23
FR2418706A1 (fr) 1979-09-28
GB2018172B (en) 1982-05-06
JPS54127802A (en) 1979-10-04
MX146971A (es) 1982-09-15
CA1094049A (en) 1981-01-20
CH641243A5 (de) 1984-02-15
DE2808885C2 (de) 1986-11-20
BR7901267A (pt) 1979-10-09
DK70379A (da) 1979-09-03
GB2018172A (en) 1979-10-17

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