BR8800464A - Aperfeicoamento em uma pastilha cortante planar para broca apropriada para pedra e alvenaria - Google Patents

Aperfeicoamento em uma pastilha cortante planar para broca apropriada para pedra e alvenaria

Info

Publication number
BR8800464A
BR8800464A BR8800464A BR8800464A BR8800464A BR 8800464 A BR8800464 A BR 8800464A BR 8800464 A BR8800464 A BR 8800464A BR 8800464 A BR8800464 A BR 8800464A BR 8800464 A BR8800464 A BR 8800464A
Authority
BR
Brazil
Prior art keywords
masonry
stone
improvement
cutting insert
planar cutting
Prior art date
Application number
BR8800464A
Other languages
English (en)
Portuguese (pt)
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 BR8800464A publication Critical patent/BR8800464A/pt

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)
BR8800464A 1987-02-09 1988-02-05 Aperfeicoamento em uma pastilha cortante planar para broca apropriada para pedra e alvenaria BR8800464A (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BR8800464A true BR8800464A (pt) 1988-09-20

Family

ID=21754932

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8800464A BR8800464A (pt) 1987-02-09 1988-02-05 Aperfeicoamento em uma pastilha cortante planar para broca apropriada para pedra e alvenaria

Country Status (9)

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

Families Citing this family (5)

* 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
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
DE3803910A1 (de) 1988-08-18
IT8847603A0 (it) 1988-02-04
CN1016949B (zh) 1992-06-10
CA1324013C (en) 1993-11-09
JPS63239007A (ja) 1988-10-05
IT1219838B (it) 1990-05-24
CH674335A5 (enrdf_load_stackoverflow) 1990-05-31
FR2610553B1 (fr) 1993-05-07
FR2610553A1 (fr) 1988-08-12
DK61888A (da) 1988-08-10
CN1032131A (zh) 1989-04-05
DK61888D0 (da) 1988-02-08

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Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 05/02/2003