CA1324013C - Meche de forage pour maconnerie a bords d'attaque biseautes et renforces - Google Patents

Meche de forage pour maconnerie a bords d'attaque biseautes et renforces

Info

Publication number
CA1324013C
CA1324013C CA000557950A CA557950A CA1324013C CA 1324013 C CA1324013 C CA 1324013C CA 000557950 A CA000557950 A CA 000557950A CA 557950 A CA557950 A CA 557950A CA 1324013 C CA1324013 C CA 1324013C
Authority
CA
Canada
Prior art keywords
tip
flank
intersection
cutting
chamfer
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.)
Expired - Fee Related
Application number
CA000557950A
Other languages
English (en)
Inventor
Donald C. Pennington, Jr.
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.)
Robert Bosch Tool Corp
Original Assignee
Vermont American Corp
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 Vermont American Corp filed Critical Vermont American Corp
Application granted granted Critical
Publication of CA1324013C publication Critical patent/CA1324013C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B51/00Tools for drilling machines
    • B23B51/02Twist drills
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/44Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
    • E21B10/445Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts percussion type, e.g. for masonry
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/58Chisel-type inserts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B2226/00Materials of tools or workpieces not comprising a metal
    • B23B2226/75Stone, rock or concrete
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B2251/00Details of tools for drilling machines
    • B23B2251/14Configuration of the cutting part, i.e. the main cutting edges
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B2251/00Details of tools for drilling machines
    • B23B2251/50Drilling tools comprising cutting inserts

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)
  • Drilling Tools (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
CA000557950A 1987-02-09 1988-02-02 Meche de forage pour maconnerie a bords d'attaque biseautes et renforces Expired - Fee Related CA1324013C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US012,428 1979-02-15
US1242887A 1987-02-09 1987-02-09

Publications (1)

Publication Number Publication Date
CA1324013C true CA1324013C (fr) 1993-11-09

Family

ID=21754932

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000557950A Expired - Fee Related CA1324013C (fr) 1987-02-09 1988-02-02 Meche de forage pour maconnerie a bords d'attaque biseautes et renforces

Country Status (9)

Country Link
JP (1) JPS63239007A (fr)
CN (1) CN1016949B (fr)
BR (1) BR8800464A (fr)
CA (1) CA1324013C (fr)
CH (1) CH674335A5 (fr)
DE (1) DE3803910A1 (fr)
DK (1) DK61888A (fr)
FR (1) FR2610553B1 (fr)
IT (1) IT1219838B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW299385B (en) 1994-12-12 1997-03-01 Black & Decker Inc Cutting tools for drilling concrete, aggregate, masonry or the like materials
US5918105A (en) * 1994-12-12 1999-06-29 Black & Decker Inc. Cutting tools for drilling concrete, aggregate, masonry or the like materials
DE19720589A1 (de) * 1997-05-16 1998-11-19 Hilti Ag Bohrwerkzeug
GB0201197D0 (en) * 2002-01-19 2002-03-06 Armeg Ltd Tile cutting attachment
JP6117659B2 (ja) * 2013-09-06 2017-04-19 本田技研工業株式会社 遠心ポンプ
JP7380813B1 (ja) * 2022-11-29 2023-11-15 株式会社タンガロイ 穴あけ工具

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE698003C (de) * 1938-06-29 1940-10-30 Spiralbohrer Werkzeug Und Masc Spiralbohrer fuer zaehharte Werkstoffe
DE2807197A1 (de) * 1978-02-20 1979-08-30 Heller Verwaltungsges Bohrkopf eines drehschlagbohrers
DE8215364U1 (de) * 1982-05-24 1982-10-14 Weissenfeld, Günther, 5630 Remscheid Spitzbohrwerkzeug
DE3544433C2 (de) * 1985-12-16 1995-12-14 Hilti Ag Gesteinsbohrer

Also Published As

Publication number Publication date
DK61888A (da) 1988-08-10
DE3803910A1 (de) 1988-08-18
CN1016949B (zh) 1992-06-10
FR2610553A1 (fr) 1988-08-12
IT8847603A0 (it) 1988-02-04
DK61888D0 (da) 1988-02-08
CN1032131A (zh) 1989-04-05
IT1219838B (it) 1990-05-24
JPS63239007A (ja) 1988-10-05
BR8800464A (pt) 1988-09-20
FR2610553B1 (fr) 1993-05-07
CH674335A5 (fr) 1990-05-31

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Legal Events

Date Code Title Description
MKLA Lapsed