NL7303400A - - Google Patents

Info

Publication number
NL7303400A
NL7303400A NL7303400A NL7303400A NL7303400A NL 7303400 A NL7303400 A NL 7303400A NL 7303400 A NL7303400 A NL 7303400A NL 7303400 A NL7303400 A NL 7303400A NL 7303400 A NL7303400 A NL 7303400A
Authority
NL
Netherlands
Application number
NL7303400A
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 filed Critical
Publication of NL7303400A publication Critical patent/NL7303400A/xx

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)
  • 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)
NL7303400A 1972-03-10 1973-03-09 NL7303400A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2211532A DE2211532C2 (de) 1972-03-10 1972-03-10 Bohrer mit wendelförmiger Bohrmehlnut

Publications (1)

Publication Number Publication Date
NL7303400A true NL7303400A (fr) 1973-09-12

Family

ID=5838474

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7303400A NL7303400A (fr) 1972-03-10 1973-03-09

Country Status (9)

Country Link
US (1) US3845829A (fr)
AT (1) AT333177B (fr)
BE (1) BE796338A (fr)
CH (1) CH566197A5 (fr)
DE (1) DE2211532C2 (fr)
FR (1) FR2175784B3 (fr)
GB (1) GB1430267A (fr)
LU (1) LU67179A1 (fr)
NL (1) NL7303400A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2808885C2 (de) * 1978-03-02 1986-11-20 Hawera Probst Gmbh + Co, 7980 Ravensburg Drehschlagbohrer für Gestein und dergleichen
CH626557A5 (fr) * 1978-09-28 1981-11-30 Guex Philippe & Fils Sa
DE3500202A1 (de) * 1985-01-05 1986-07-10 Hawera Probst Gmbh + Co, 7980 Ravensburg Bohrwerkzeuge
DE3820695C2 (de) * 1988-06-18 1996-07-25 Hawera Probst Kg Hartmetall Gesteinsbohrer
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
DE10024433A1 (de) * 2000-05-19 2001-11-29 Hawera Probst Gmbh Gesteinsbohrer
JP4809711B2 (ja) * 2006-03-22 2011-11-09 日本プロジェクト株式会社 ドリル
EP3338934A1 (fr) * 2016-12-23 2018-06-27 HILTI Aktiengesellschaft Procédé de production d'une tige de forage pour une couronne de forage humide

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE584050C (de) * 1930-06-03 1933-09-14 Siemens Schuckertwerke Akt Ges Gesteinsbohrer mit Schneidenkoerper aus Hartmetall
DE829568C (de) * 1949-04-06 1952-01-28 Siemens Ag Bohrer mit Hartmetalleinlage fuer Gesteine, insbesondere Eisenbeton und harte, stark unterschiedliche Mischgesteine
US2632856A (en) * 1949-12-10 1953-03-24 William E Beatty Wattmetric regulator for prime mover dynamo plants
US2728558A (en) * 1952-06-26 1955-12-27 New England Carbide Tool Compa Masonry drill
GB776353A (en) * 1954-05-05 1957-06-05 Rawlplug Co Ltd Improved rotary drills
FR1118255A (fr) * 1955-01-26 1956-06-04 Foret pour marbre, granit, faïence, fonte et autres matériaux
GB832238A (en) * 1956-10-08 1960-04-06 Rawlplug Co Ltd Improvements in or relating to rotary masonry drills
GB823731A (en) * 1956-11-13 1959-11-18 Robert Edward Mason Improvements in or relating to masonry drills
US2902260A (en) * 1957-07-16 1959-09-01 Carl V Tilden Drill bit
US3117637A (en) * 1960-11-01 1964-01-14 Mortensen Louis Aackersberg Drill bit
GB1008029A (en) * 1963-09-02 1965-10-22 John M Perkins & Smith Ltd Drill bits
DE1427773A1 (de) * 1965-11-27 1969-07-17 Thorsman Oswald Willy Bohrer mit Bohrtiefmarkierungen fuer den Einsatz in Kombination mit Pfloecken und ein Pflocksatz fuer einen derartigen Bohrer
DE1602003B1 (de) * 1966-06-08 1971-03-11 Netherlands Tool Mfg Co Gesteinsbohrer
US3447616A (en) * 1966-12-29 1969-06-03 Zigmund E Granat Drills

Also Published As

Publication number Publication date
US3845829A (en) 1974-11-05
BE796338A (fr) 1973-07-02
DE2211532A1 (de) 1973-09-13
FR2175784B3 (fr) 1976-03-05
AT333177B (de) 1976-11-10
ATA181173A (de) 1976-02-15
GB1430267A (en) 1976-03-31
DE2211532C2 (de) 1982-07-01
LU67179A1 (fr) 1973-05-22
CH566197A5 (fr) 1975-09-15
FR2175784A1 (fr) 1973-10-26

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed