FI780154A - Haordloedningsinlaegg - Google Patents

Haordloedningsinlaegg

Info

Publication number
FI780154A
FI780154A FI780154A FI780154A FI780154A FI 780154 A FI780154 A FI 780154A FI 780154 A FI780154 A FI 780154A FI 780154 A FI780154 A FI 780154A FI 780154 A FI780154 A FI 780154A
Authority
FI
Finland
Prior art keywords
haordloedningsinlaegg
Prior art date
Application number
FI780154A
Other languages
English (en)
Inventor
Isaac Michael Wolf
Original Assignee
Boart Int Ltd
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 Boart Int Ltd filed Critical Boart Int Ltd
Publication of FI780154A publication Critical patent/FI780154A/fi

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
    • B23K31/025—Connecting cutting edges or the like to tools; Attaching reinforcements to workpieces, e.g. wear-resisting zones to tableware
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K1/00—Soldering, e.g. brazing, or unsoldering
    • B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
    • 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)
  • Mechanical Engineering (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Adornments (AREA)
FI780154A 1977-01-20 1978-01-18 Haordloedningsinlaegg FI780154A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA00770339A ZA77339B (en) 1977-01-20 1977-01-20 Brazing inserts

Publications (1)

Publication Number Publication Date
FI780154A true FI780154A (fi) 1978-07-21

Family

ID=25571137

Family Applications (1)

Application Number Title Priority Date Filing Date
FI780154A FI780154A (fi) 1977-01-20 1978-01-18 Haordloedningsinlaegg

Country Status (12)

Country Link
US (1) US4190127A (fi)
AU (1) AU509197B2 (fi)
CA (1) CA1072075A (fi)
DE (1) DE2802119C2 (fi)
FI (1) FI780154A (fi)
GB (1) GB1565622A (fi)
GR (1) GR66130B (fi)
IE (1) IE46142B1 (fi)
NO (1) NO146850C (fi)
SE (1) SE7800670L (fi)
ZA (1) ZA77339B (fi)
ZM (1) ZM778A1 (fi)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5746281A (en) * 1993-06-14 1998-05-05 Oy Robit Rocktools Ltd. Method for mounting hard metal buttons in a drill bit

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1205620A (en) * 1981-06-25 1986-06-10 David T. Allan Scabbler bits
GB2133062A (en) * 1982-12-03 1984-07-18 Groom International Limited Drilling tools
DE3334815C1 (de) * 1983-09-26 1984-10-18 Siku GmbH Metall- und Kunststoffwarenfabrik, Rickenbach Werkzeug
US4595067A (en) * 1984-01-17 1986-06-17 Reed Tool Company Rotary drill bit, parts therefor, and method of manufacturing thereof
DE3426977A1 (de) * 1984-07-21 1986-01-30 Hawera Probst Gmbh + Co, 7980 Ravensburg Gesteinsbohrer
US4940288A (en) * 1988-07-20 1990-07-10 Kennametal Inc. Earth engaging cutter bit
US4941711A (en) * 1988-07-20 1990-07-17 Kennametal Inc. Cemented carbide tip
US4911503A (en) * 1988-07-20 1990-03-27 Kennametal Inc. Earth engaging cutter bit
US4911504A (en) * 1988-07-20 1990-03-27 Kennametal Inc. Cutter bit and tip
DE4114271A1 (de) * 1991-05-02 1992-11-05 Hilti Ag Bohr- und meisselwerkzeug mit grundkoerper und schneidkoerper
DE102006000108A1 (de) * 2006-03-06 2007-09-13 Hilti Ag Hartstoffschneide

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2101376A (en) * 1934-10-09 1937-12-07 Wallramit Handel Mij Nv Percussive boring tool
DE866437C (de) * 1942-03-17 1953-02-09 Richard Braun Werkzeug, z. B. Drehstahl od. dgl., mit aufgeloeteter hochbestaendiger Auflage
US2628072A (en) * 1949-09-01 1953-02-10 Timken Roller Bearing Co Drill bit having groove with hard metal cutter insert brazed therein
US2707619A (en) * 1950-06-22 1955-05-03 Sandvikens Jernverks Ab Percussion drills
US2890021A (en) * 1956-10-29 1959-06-09 Thor Power Tool Co Drill bit
US3027953A (en) * 1961-04-10 1962-04-03 Bernard F Coski Percussion tool with replaceable point
GB954130A (en) * 1962-04-27 1964-04-02 Minsup Mining Supplies Improvements in or relating to coal-cutter picks
US3205573A (en) * 1963-01-31 1965-09-14 Dominick Monaco Method of brazing aluminum to a ferrous metal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5746281A (en) * 1993-06-14 1998-05-05 Oy Robit Rocktools Ltd. Method for mounting hard metal buttons in a drill bit

Also Published As

Publication number Publication date
IE46142B1 (en) 1983-03-09
AU3254978A (en) 1979-07-26
GR66130B (fi) 1981-01-16
GB1565622A (en) 1980-04-23
NO780199L (no) 1978-07-21
DE2802119C2 (de) 1983-10-20
CA1072075A (en) 1980-02-19
DE2802119A1 (de) 1978-08-03
ZM778A1 (en) 1980-02-21
ZA77339B (en) 1978-04-26
SE7800670L (sv) 1978-07-21
IE780124L (en) 1978-07-20
NO146850B (no) 1982-09-13
US4190127A (en) 1980-02-26
AU509197B2 (en) 1980-04-24
NO146850C (no) 1982-12-22

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: BOART INTERNATIONAL LTD