PL312337A1 - Drilling bit - Google Patents

Drilling bit

Info

Publication number
PL312337A1
PL312337A1 PL31233796A PL31233796A PL312337A1 PL 312337 A1 PL312337 A1 PL 312337A1 PL 31233796 A PL31233796 A PL 31233796A PL 31233796 A PL31233796 A PL 31233796A PL 312337 A1 PL312337 A1 PL 312337A1
Authority
PL
Poland
Prior art keywords
drilling bit
drilling
bit
Prior art date
Application number
PL31233796A
Other versions
PL179351B1 (en
Inventor
Josef Mocivnik
Original Assignee
Techmo Entw & Vertriebs Gmbh
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 Techmo Entw & Vertriebs Gmbh filed Critical Techmo Entw & Vertriebs Gmbh
Publication of PL312337A1 publication Critical patent/PL312337A1/en
Publication of PL179351B1 publication Critical patent/PL179351B1/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B10/56—Button-type inserts
PL31233796A 1995-01-18 1996-01-16 Drilling bit PL179351B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0002395U AT265U3 (en) 1995-01-18 1995-01-18 DRILL BIT

Publications (2)

Publication Number Publication Date
PL312337A1 true PL312337A1 (en) 1996-07-22
PL179351B1 PL179351B1 (en) 2000-08-31

Family

ID=3479496

Family Applications (1)

Application Number Title Priority Date Filing Date
PL31233796A PL179351B1 (en) 1995-01-18 1996-01-16 Drilling bit

Country Status (3)

Country Link
AT (1) AT265U3 (en)
DE (1) DE19601237C2 (en)
PL (1) PL179351B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19811887A1 (en) * 1998-03-18 1999-09-23 Plica Werkzeugfabrik Ag Mollis Hammer drilling tool
DE10106695B4 (en) * 2001-02-14 2010-11-25 Friedr. Ischebeck Gmbh Drill bit for a drill or injection anchor
AT12442U1 (en) 2010-05-26 2012-05-15 Dywidag Systems Int Gmbh drill bit
FI126596B (en) 2014-01-20 2017-02-28 Lehti Group Oy dRILL BIT

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE411929B (en) * 1977-03-03 1980-02-11 Sandvik Ab DRILL CHRONICLE FOR MOUNTAIN DRILLING
DE2752544C2 (en) * 1977-11-24 1986-02-20 Sandvik Ab, Sandviken Percussion bit
SE448108C (en) * 1983-04-05 1989-02-15 Sandvik Ab MOUNTAIN DRILL FOR BATTLE DRILLING OF SMALL HAIRS INCLUDING TILTED PERIPHERAL PINS
DE4101458A1 (en) * 1991-01-19 1992-07-23 Wolf Thomas FOR A CUTTING DRILL DRIVER DESIGNED WITH AXIAL PRESSURE AND BLOCKING
EP0511200A1 (en) * 1991-05-16 1992-10-28 ROCBO Werkzeug Gesellschaft m.b.H. Drill bit respectively cutter

Also Published As

Publication number Publication date
AT265U2 (en) 1995-06-26
AT265U3 (en) 1996-01-25
DE19601237A1 (en) 1996-07-25
PL179351B1 (en) 2000-08-31
DE19601237C2 (en) 1997-07-17

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Legal Events

Date Code Title Description
LAPS Decisions on the lapse of the protection rights

Effective date: 20140116