CH670283A5 - - Google Patents

Download PDF

Info

Publication number
CH670283A5
CH670283A5 CH276886A CH276886A CH670283A5 CH 670283 A5 CH670283 A5 CH 670283A5 CH 276886 A CH276886 A CH 276886A CH 276886 A CH276886 A CH 276886A CH 670283 A5 CH670283 A5 CH 670283A5
Authority
CH
Switzerland
Prior art keywords
drill
head part
groove
drill according
axis
Prior art date
Application number
CH276886A
Other languages
German (de)
English (en)
Inventor
Gerhard Schroth
Original Assignee
Duss Maschf
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 Duss Maschf filed Critical Duss Maschf
Publication of CH670283A5 publication Critical patent/CH670283A5/de

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
    • E21B10/44—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Drilling Tools (AREA)
  • Earth Drilling (AREA)
CH276886A 1985-11-14 1986-07-09 CH670283A5 (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853540355 DE3540355C2 (de) 1985-11-14 1985-11-14 Bohrer zum drehschlagenden Bohren

Publications (1)

Publication Number Publication Date
CH670283A5 true CH670283A5 (zh) 1989-05-31

Family

ID=6285944

Family Applications (1)

Application Number Title Priority Date Filing Date
CH276886A CH670283A5 (zh) 1985-11-14 1986-07-09

Country Status (4)

Country Link
CH (1) CH670283A5 (zh)
DE (1) DE3540355C2 (zh)
FR (1) FR2589943B1 (zh)
NL (1) NL8601988A (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4114267C2 (de) * 1991-05-02 2001-09-06 Hilti Ag Bohr- und Meisselwerkzeug mit Grundkörper und Schneidkörper
DE4236553A1 (de) * 1992-10-29 1994-05-05 Hawera Probst Kg Hartmetall Gesteinsbohrer

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE856589C (de) * 1942-12-15 1952-11-24 Hartmetallwerkzeugfabrik Meuts Gesteinsschlagbohrer mit Hartmetalleinsaetzen
GB776028A (en) * 1955-02-15 1957-05-29 John M Perkins & Smith Ltd Drill bits
DE1608358C3 (de) * 1967-11-21 1979-01-04 Friedrich Duss, Maschinenfabrik Gmbh U. Co, 7261 Neubulach Bohrer zum drehschlagenden Bohren
DE1921677B2 (de) * 1969-04-28 1977-09-29 Hilti Ag, Schaan (Liechtenstein) Drehschlag-wendelbohrer
DE2423511A1 (de) * 1974-05-15 1975-11-27 Krupp Gmbh Bohrer mit foerderwendel
CH626557A5 (zh) * 1978-09-28 1981-11-30 Guex Philippe & Fils Sa
DE2910323A1 (de) * 1979-03-16 1980-10-02 Bosch Gmbh Robert Bohrwerkzeug, insbesondere gesteinsbohrer
DD222065A1 (de) * 1983-12-23 1985-05-08 Stammbetrieb Des Veb Werkzeugk Bohrwerkzeug, insbesondere fuer die steinbearbeitung

Also Published As

Publication number Publication date
DE3540355A1 (de) 1987-05-21
DE3540355C2 (de) 1996-01-11
FR2589943A1 (fr) 1987-05-15
FR2589943B1 (fr) 1991-02-08
NL8601988A (nl) 1987-06-01

Similar Documents

Publication Publication Date Title
EP0126409B2 (de) Bohrwerkzeug
DE3610880A1 (de) Gewindeaufbau fuer das gesteinsschlagbohren
EP1050662B1 (de) Gesteinsbohrwerkzeug
EP1260296B1 (de) Bohrer
EP1259699A2 (de) Gesteinsbohrer
EP0655547B1 (de) Gesteinsbohrmeissel mit schraubenförmigem Förderteil
EP0322565A1 (de) Gesteinsbohrer
DE4436916A1 (de) Bohrwerkzeug mit Trägerkörper und Schneidkörpern
EP0653544B1 (de) Spiralbohrer
EP1455978B1 (de) Schlag- oder hammerbohrer
EP0361189A1 (de) Bohrwerkzeug mit schraubenförmigem Schaft
DE3025890A1 (de) Bohrer fuer bohrhaemmer, insbes. zum bohren in gestein, beton o.dgl.
CH670283A5 (zh)
EP1138871B1 (de) Wendelbohrer
EP0603122A1 (de) Bohrkrone mit Querschnittsverstärkungen
EP0322554B1 (de) Gesteinsbohrer
DE3803910A1 (de) Bohrer
DE2948665A1 (de) Schlagbohrer mit zentralem absaugkanal fuer das bohrklein
DE1608358C3 (de) Bohrer zum drehschlagenden Bohren
EP0985081B1 (de) Verfahren zur herstellung eines gesteinbohrers
DE3609911C2 (de) Gesteinsbohrer, insbesondere für Hammerbohrmaschinen
EP1190797B1 (de) Bohrwerkzeug
DE1229945B (de) Rohrfoermige Bohrstange
DE3740692A1 (de) Gesteinsbohrer
DE19860528A1 (de) Gesteinsbohrer für Hammerbohrmaschinen

Legal Events

Date Code Title Description
PL Patent ceased