CN1016949B - 具有倒棱强力切削刃的砖石钻头刀片 - Google Patents

具有倒棱强力切削刃的砖石钻头刀片

Info

Publication number
CN1016949B
CN1016949B CN88101340.4A CN88101340A CN1016949B CN 1016949 B CN1016949 B CN 1016949B CN 88101340 A CN88101340 A CN 88101340A CN 1016949 B CN1016949 B CN 1016949B
Authority
CN
China
Prior art keywords
knife
blade
face
chamfered edge
edge
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
Application number
CN88101340.4A
Other languages
English (en)
Chinese (zh)
Other versions
CN1032131A (zh
Inventor
唐纳德·彭宁通
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
Publication of CN1032131A publication Critical patent/CN1032131A/zh
Publication of CN1016949B publication Critical patent/CN1016949B/zh
Expired legal-status Critical Current

Links

Images

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
    • 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
    • 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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/58—Chisel-type inserts
    • 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
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/14—Configuration of the cutting part, i.e. the main cutting edges
    • 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

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)
CN88101340.4A 1987-02-09 1988-02-09 具有倒棱强力切削刃的砖石钻头刀片 Expired CN1016949B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US1242887A 1987-02-09 1987-02-09
US012428 1987-02-09

Publications (2)

Publication Number Publication Date
CN1032131A CN1032131A (zh) 1989-04-05
CN1016949B true CN1016949B (zh) 1992-06-10

Family

ID=21754932

Family Applications (1)

Application Number Title Priority Date Filing Date
CN88101340.4A Expired CN1016949B (zh) 1987-02-09 1988-02-09 具有倒棱强力切削刃的砖石钻头刀片

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
US5918105A (en) * 1994-12-12 1999-06-29 Black & Decker Inc. Cutting tools for drilling concrete, aggregate, masonry or the like materials
TW299385B (en) 1994-12-12 1997-03-01 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
CH674335A5 (fr) 1990-05-31
DK61888D0 (da) 1988-02-08
CN1032131A (zh) 1989-04-05
DE3803910A1 (de) 1988-08-18
IT1219838B (it) 1990-05-24
FR2610553B1 (fr) 1993-05-07
IT8847603A0 (it) 1988-02-04
CA1324013C (fr) 1993-11-09
FR2610553A1 (fr) 1988-08-12
JPS63239007A (ja) 1988-10-05
BR8800464A (pt) 1988-09-20
DK61888A (da) 1988-08-10

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
WD01 Invention patent application deemed withdrawn after publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C13 Decision
GR02 Examined patent application
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee