FR2124857A5 - - Google Patents

Info

Publication number
FR2124857A5
FR2124857A5 FR7202485A FR7202485A FR2124857A5 FR 2124857 A5 FR2124857 A5 FR 2124857A5 FR 7202485 A FR7202485 A FR 7202485A FR 7202485 A FR7202485 A FR 7202485A FR 2124857 A5 FR2124857 A5 FR 2124857A5
Authority
FR
France
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.)
Expired
Application number
FR7202485A
Other languages
French (fr)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7202485A priority Critical patent/FR2124857A5/fr
Application granted granted Critical
Publication of FR2124857A5 publication Critical patent/FR2124857A5/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/02—Twist drills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/009—Stepped drills
    • 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
    • E21B10/36—Percussion drill bits
    • E21B10/40—Percussion drill bits with leading portion
    • 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
    • B23B2240/00—Details of connections of tools or workpieces
    • B23B2240/08—Brazed connections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/50—Drilling tools comprising cutting inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/60—Drills with pilots
    • B23B2251/603—Detachable pilots, e.g. in the form of a drill
    • B23B2251/606—Detachable pilots, e.g. in the form of a drill being a twist drill

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
FR7202485A 1972-01-20 1972-01-20 Expired FR2124857A5 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7202485A FR2124857A5 (en) 1972-01-20 1972-01-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7202485A FR2124857A5 (en) 1972-01-20 1972-01-20

Publications (1)

Publication Number Publication Date
FR2124857A5 true FR2124857A5 (en) 1972-09-22

Family

ID=9092439

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7202485A Expired FR2124857A5 (en) 1972-01-20 1972-01-20

Country Status (1)

Country Link
FR (1) FR2124857A5 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0865854A1 (en) * 1997-02-22 1998-09-23 HILTI Aktiengesellschaft Drill and or chisel tool
JP2013000843A (en) * 2011-06-17 2013-01-07 Makotoroi Kogyo Kk Drill
US20210339322A1 (en) * 2020-04-30 2021-11-04 The Boeing Company Tools and Methods for Forming Aligned Holes From Near Full-Sized Holes
EP4410460A1 (en) * 2023-02-03 2024-08-07 Hilti Aktiengesellschaft Hammer drill

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0865854A1 (en) * 1997-02-22 1998-09-23 HILTI Aktiengesellschaft Drill and or chisel tool
US6089337A (en) * 1997-02-22 2000-07-18 Hilti Aktiengesellschaft Drilling and/or chiseling tool
JP2013000843A (en) * 2011-06-17 2013-01-07 Makotoroi Kogyo Kk Drill
US9409239B2 (en) 2011-06-17 2016-08-09 Makotoloy Co., Ltd. Drill bit
US20210339322A1 (en) * 2020-04-30 2021-11-04 The Boeing Company Tools and Methods for Forming Aligned Holes From Near Full-Sized Holes
US11260459B2 (en) * 2020-04-30 2022-03-01 The Boeing Company Tools and methods for forming aligned holes from near full-sized holes
EP4410460A1 (en) * 2023-02-03 2024-08-07 Hilti Aktiengesellschaft Hammer drill

Similar Documents

Publication Publication Date Title
AU475090B2 (en)
FR2190643B3 (en)
FR2124857A5 (en)
JPS4922860U (en)
JPS5230799B2 (en)
JPS4976375A (en)
FR2141201A5 (en)
JPS4939260U (en)
JPS4974818A (en)
JPS4932707A (en)
JPS5014269Y1 (en)
JPS4966998U (en)
JPS4979964U (en)
JPS4987489U (en)
JPS4839635A (en)
BG17363A1 (en)
BG18352A1 (en)
NL7303400A (en)
CH597143A5 (en)
CH594960A5 (en)
CH593975A5 (en)
CH593334A5 (en)
CH592583A5 (en)
CH588696A5 (en)
CH563695A5 (en)

Legal Events

Date Code Title Description
ST Notification of lapse