DE1927754C3 - Gesteinsbohrer - Google Patents

Gesteinsbohrer

Info

Publication number
DE1927754C3
DE1927754C3 DE19691927754 DE1927754A DE1927754C3 DE 1927754 C3 DE1927754 C3 DE 1927754C3 DE 19691927754 DE19691927754 DE 19691927754 DE 1927754 A DE1927754 A DE 1927754A DE 1927754 C3 DE1927754 C3 DE 1927754C3
Authority
DE
Germany
Prior art keywords
drill
diameter
jacket surface
rock
width
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DE19691927754
Other languages
German (de)
English (en)
Other versions
DE1927754A1 (de
DE1927754B2 (de
Inventor
Josef 7993 Kressbronn Kuch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch Power Tools GmbH
Original Assignee
Hawera Probst 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 Hawera Probst GmbH filed Critical Hawera Probst GmbH
Priority to DE19691927754 priority Critical patent/DE1927754C3/de
Priority to CH529170A priority patent/CH519094A/de
Priority to AT333870A priority patent/AT296189B/de
Priority to NL7005722A priority patent/NL162586C/xx
Priority to SE05936/70A priority patent/SE365574B/xx
Priority to FR7018282A priority patent/FR2048559A5/fr
Priority to BE750655D priority patent/BE750655A/xx
Priority to LU60960D priority patent/LU60960A1/xx
Priority to DK272470A priority patent/DK137867B/da
Priority to GB2606670A priority patent/GB1280065A/en
Priority to CA084,099A priority patent/CA961029A/en
Publication of DE1927754A1 publication Critical patent/DE1927754A1/de
Publication of DE1927754B2 publication Critical patent/DE1927754B2/de
Application granted granted Critical
Publication of DE1927754C3 publication Critical patent/DE1927754C3/de
Expired legal-status Critical Current

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)
  • Earth Drilling (AREA)
  • Drilling Tools (AREA)
DE19691927754 1969-05-30 1969-05-30 Gesteinsbohrer Expired DE1927754C3 (de)

Priority Applications (11)

Application Number Priority Date Filing Date Title
DE19691927754 DE1927754C3 (de) 1969-05-30 1969-05-30 Gesteinsbohrer
CH529170A CH519094A (de) 1969-05-30 1970-04-09 Gesteinsbohrer
AT333870A AT296189B (de) 1969-05-30 1970-04-13 Gesteinbohrer
NL7005722A NL162586C (nl) 1969-05-30 1970-04-21 Steenboor.
SE05936/70A SE365574B (enExample) 1969-05-30 1970-04-29
BE750655D BE750655A (fr) 1969-05-30 1970-05-20 Fleuret a roches
FR7018282A FR2048559A5 (enExample) 1969-05-30 1970-05-20
LU60960D LU60960A1 (enExample) 1969-05-30 1970-05-21
DK272470A DK137867B (da) 1969-05-30 1970-05-28 Stenbor.
GB2606670A GB1280065A (en) 1969-05-30 1970-05-29 Rock drills
CA084,099A CA961029A (en) 1969-05-30 1970-05-29 Rock drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691927754 DE1927754C3 (de) 1969-05-30 1969-05-30 Gesteinsbohrer

Publications (3)

Publication Number Publication Date
DE1927754A1 DE1927754A1 (de) 1970-12-17
DE1927754B2 DE1927754B2 (de) 1978-04-27
DE1927754C3 true DE1927754C3 (de) 1978-12-14

Family

ID=5735705

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19691927754 Expired DE1927754C3 (de) 1969-05-30 1969-05-30 Gesteinsbohrer

Country Status (11)

Country Link
AT (1) AT296189B (enExample)
BE (1) BE750655A (enExample)
CA (1) CA961029A (enExample)
CH (1) CH519094A (enExample)
DE (1) DE1927754C3 (enExample)
DK (1) DK137867B (enExample)
FR (1) FR2048559A5 (enExample)
GB (1) GB1280065A (enExample)
LU (1) LU60960A1 (enExample)
NL (1) NL162586C (enExample)
SE (1) SE365574B (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2735227C2 (de) * 1977-08-04 1983-10-27 Hawera Probst Gmbh + Co, 7980 Ravensburg Gesteinsbohrer
CH626557A5 (enExample) * 1978-09-28 1981-11-30 Guex Philippe & Fils Sa
DE3014693A1 (de) * 1980-04-16 1981-10-22 Hilti AG, 9494 Schaan Gesteinsbohrer
DE3834675A1 (de) * 1988-10-12 1990-04-19 Hawera Probst Kg Hartmetall Bohrwerkzeug
US5918105A (en) * 1994-12-12 1999-06-29 Black & Decker Inc. Cutting tools for drilling concrete, aggregate, masonry or the like materials
TW299385B (en) * 1994-12-12 1997-03-01 Black & Decker Inc Cutting tools for drilling concrete, aggregate, masonry or the like materials
US5641028A (en) * 1995-08-10 1997-06-24 Black & Decker Inc. Drill bit with debris conveying flute
DE102016225458A1 (de) * 2016-12-19 2018-06-21 Robert Bosch Gmbh Ultraschallbohrwerkzeug

Also Published As

Publication number Publication date
NL162586B (nl) 1980-01-15
LU60960A1 (enExample) 1970-07-21
FR2048559A5 (enExample) 1971-03-19
GB1280065A (en) 1972-07-05
NL7005722A (enExample) 1970-12-02
DK137867B (da) 1978-05-22
SE365574B (enExample) 1974-03-25
AT296189B (de) 1972-02-10
DE1927754A1 (de) 1970-12-17
CA961029A (en) 1975-01-14
CH519094A (de) 1972-02-15
NL162586C (nl) 1980-06-16
BE750655A (fr) 1970-11-03
DE1927754B2 (de) 1978-04-27

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee