GR3034567T3 - Hard metal plate, rock drill bit provided with such a plate and method of manufacturing same - Google Patents

Hard metal plate, rock drill bit provided with such a plate and method of manufacturing same

Info

Publication number
GR3034567T3
GR3034567T3 GR20000402256T GR20000402256T GR3034567T3 GR 3034567 T3 GR3034567 T3 GR 3034567T3 GR 20000402256 T GR20000402256 T GR 20000402256T GR 20000402256 T GR20000402256 T GR 20000402256T GR 3034567 T3 GR3034567 T3 GR 3034567T3
Authority
GR
Greece
Prior art keywords
hard metal
plate
foot piece
drill bit
rock drill
Prior art date
Application number
GR20000402256T
Other languages
Greek (el)
Inventor
Erich Runge
Original Assignee
Plica Werkzeugfabrik Ag
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 Plica Werkzeugfabrik Ag filed Critical Plica Werkzeugfabrik Ag
Publication of GR3034567T3 publication Critical patent/GR3034567T3/en

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Drilling And Boring (AREA)

Abstract

The hard metal bit (10) has a head (14) with a cutting edge (12) and a foot piece (16) which matches the geometry of a receiver slot (36) in the tool. The distance between the side faces (18,20) of the foot piece in at least one section (24) of the foot piece is greater than the edge area of the side faces of the foot piece. To manufacture the masonry drill, the receiver slot and the foot piece are brought together and the drill bit inserted into the slot. One of the side walls of the slot on the front face (37) of the drill head is blocked off to prevent the bit from falling out. The hard metal bit is then brazed in position.
GR20000402256T 1996-01-16 2000-10-05 Hard metal plate, rock drill bit provided with such a plate and method of manufacturing same GR3034567T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19601356A DE19601356A1 (en) 1996-01-16 1996-01-16 Tungsten carbide plate and rock drill equipped with it, and method for its production

Publications (1)

Publication Number Publication Date
GR3034567T3 true GR3034567T3 (en) 2001-01-31

Family

ID=7782880

Family Applications (1)

Application Number Title Priority Date Filing Date
GR20000402256T GR3034567T3 (en) 1996-01-16 2000-10-05 Hard metal plate, rock drill bit provided with such a plate and method of manufacturing same

Country Status (7)

Country Link
EP (1) EP0790387B1 (en)
AT (1) ATE194685T1 (en)
DE (2) DE19601356A1 (en)
DK (1) DK0790387T3 (en)
ES (1) ES2151194T3 (en)
GR (1) GR3034567T3 (en)
PT (1) PT790387E (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19810193A1 (en) * 1998-03-10 1999-09-16 Hilti Ag Drilling tool
DE19811887A1 (en) * 1998-03-18 1999-09-23 Plica Werkzeugfabrik Ag Mollis Hammer drilling tool
DE29806084U1 (en) * 1998-04-02 1998-07-30 Plica Werkzeugfabrik Ag, Mollis Carbide plate and rock drill equipped with it
DE29816202U1 (en) * 1998-09-09 1999-01-21 Plica Werkzeugfabrik Ag, Mollis Drilling tool
DE19915304B4 (en) * 1999-03-22 2006-07-27 Robert Bosch Gmbh drilling
WO2004027206A1 (en) * 2002-09-20 2004-04-01 Boart Longyear Gmbh & Co Kg Rotary boring bit with cutting insert retaining means
DE20314813U1 (en) 2003-09-24 2004-03-04 Berner Gmbh Drill with a star-shaped carbide insert
DE102006000410A1 (en) * 2006-08-21 2008-02-28 Hilti Ag Drilling tool with hard material insert
EP4375476A1 (en) * 2022-11-22 2024-05-29 Hilti Aktiengesellschaft Rock drill with five cutters

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1037757A (en) * 1950-06-22 1953-09-22 Sandvikens Jernverks Ab Insert blade for hammer drill bits
AT350334B (en) * 1977-01-19 1979-05-25 Sfs Stadler Ag SELF-DRILLING SCREW
GB2002661A (en) * 1977-08-18 1979-02-28 Spencer & Sons Ltd Improvements in cutting edges of rotary drills and drill bits
US4314616A (en) * 1980-01-28 1982-02-09 Acme-Cleveland Corporation Die-cast masonry drill with leading hard insert
DE3047599A1 (en) * 1980-12-17 1982-07-08 Sortimat Creuz & Co Gmbh, 7057 Winnenden "METHOD AND DEVICE FOR ATTACHING A HARD METAL PLATE TO THE HEAD OF A SPIRAL DRILL"
EP0096147B1 (en) * 1982-06-10 1987-09-02 Seco Tools Ab Cutting tool and cutting insert therefor
US4488840A (en) * 1982-07-08 1984-12-18 Pollington Bernard M Rotary cutting tool
DE8315355U1 (en) * 1983-05-25 1983-12-01 B.B.W. Bayrische Bohrerwerke GmbH & Co KG, 8391 Büchlberg CARBIDE PLATE
LU85697A1 (en) * 1984-12-20 1985-07-24 Cerametal Sarl PROCESS FOR MANUFACTURING A DRILL BIT AND HARD METAL INSERT FOR ITS IMPLEMENTATION
DE3602427A1 (en) * 1986-01-28 1987-07-30 Stellram Gmbh Tool for shaping by cutting
US4854789A (en) * 1987-10-27 1989-08-08 Nytd Industries Inc. Cutting tool assembly
DE4003375C1 (en) * 1990-02-05 1991-05-23 Sfs Stadler Holding Ag, Heerbrugg, Ch
DE69112665T2 (en) * 1990-02-20 1996-04-04 Sumitomo Electric Industries Drill with one-way cutting insert.
US5287937A (en) * 1992-06-30 1994-02-22 The Sollami Company Drill bits and the blades therefor
US5458210A (en) * 1993-10-15 1995-10-17 The Sollami Company Drill bits and blades therefor
DE4406513A1 (en) 1994-02-28 1995-08-31 Plica Werkzeugfabrik Ag Carbide plate and rock drill equipped with it

Also Published As

Publication number Publication date
ES2151194T3 (en) 2000-12-16
EP0790387B1 (en) 2000-07-12
DK0790387T3 (en) 2000-10-30
ATE194685T1 (en) 2000-07-15
DE19601356A1 (en) 1997-07-17
PT790387E (en) 2000-12-29
EP0790387A1 (en) 1997-08-20
DE59701985D1 (en) 2000-08-17

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