DK61888A - Borespids - Google Patents

Borespids

Info

Publication number
DK61888A
DK61888A DK061888A DK61888A DK61888A DK 61888 A DK61888 A DK 61888A DK 061888 A DK061888 A DK 061888A DK 61888 A DK61888 A DK 61888A DK 61888 A DK61888 A DK 61888A
Authority
DK
Denmark
Prior art keywords
bore
peak
bore peak
Prior art date
Application number
DK061888A
Other languages
Danish (da)
English (en)
Other versions
DK61888D0 (da
Inventor
Donald Pennington
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 DK61888D0 publication Critical patent/DK61888D0/da
Publication of DK61888A publication Critical patent/DK61888A/da

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
    • 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)
DK061888A 1987-02-09 1988-02-08 Borespids DK61888A (da)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
DK61888D0 DK61888D0 (da) 1988-02-08
DK61888A true DK61888A (da) 1988-08-10

Family

ID=21754932

Family Applications (1)

Application Number Title Priority Date Filing Date
DK061888A DK61888A (da) 1987-02-09 1988-02-08 Borespids

Country Status (9)

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

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
DK61888D0 (da) 1988-02-08
FR2610553B1 (fr) 1993-05-07
JPS63239007A (ja) 1988-10-05
CH674335A5 (de) 1990-05-31
IT1219838B (it) 1990-05-24
BR8800464A (pt) 1988-09-20
CA1324013C (en) 1993-11-09
IT8847603A0 (it) 1988-02-04
DE3803910A1 (de) 1988-08-18
CN1032131A (zh) 1989-04-05
CN1016949B (zh) 1992-06-10
FR2610553A1 (fr) 1988-08-12

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment