JPS5076680A - - Google Patents

Info

Publication number
JPS5076680A
JPS5076680A JP7074074A JP7074074A JPS5076680A JP S5076680 A JPS5076680 A JP S5076680A JP 7074074 A JP7074074 A JP 7074074A JP 7074074 A JP7074074 A JP 7074074A JP S5076680 A JPS5076680 A JP S5076680A
Authority
JP
Japan
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.)
Granted
Application number
JP7074074A
Other languages
Japanese (ja)
Other versions
JPS5729242B2 (de
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
Priority claimed from DE19732331467 external-priority patent/DE2331467B2/de
Priority claimed from DE19732348211 external-priority patent/DE2348211C2/de
Priority claimed from DE19732354229 external-priority patent/DE2354229C2/de
Application filed filed Critical
Publication of JPS5076680A publication Critical patent/JPS5076680A/ja
Publication of JPS5729242B2 publication Critical patent/JPS5729242B2/ja
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/0018—Drills for enlarging a hole
    • B23B51/0045—Drills for enlarging a hole by expanding or tilting the toolhead

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Drilling And Boring (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
JP7074074A 1973-06-20 1974-06-20 Expired JPS5729242B2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19732331467 DE2331467B2 (de) 1973-06-20 1973-06-20 Vorrichtung zum Ausbohren einer Bohrung mit einem zylindrischen und einem konischen Bereich
DE19732348211 DE2348211C2 (de) 1973-09-25 1973-09-25 Bohrwerkzeug
DE19732354229 DE2354229C2 (de) 1973-10-30 1973-10-30 Bohrwerkzeug zur Herstellung eines sich entlang eines Abschnittes in Bohrrichtung erweiternden Bohrloches

Publications (2)

Publication Number Publication Date
JPS5076680A true JPS5076680A (de) 1975-06-23
JPS5729242B2 JPS5729242B2 (de) 1982-06-22

Family

ID=27185347

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7074074A Expired JPS5729242B2 (de) 1973-06-20 1974-06-20

Country Status (5)

Country Link
JP (1) JPS5729242B2 (de)
AT (1) AT332099B (de)
CH (1) CH579207A5 (de)
FR (1) FR2234079B3 (de)
GB (1) GB1434173A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS562761U (de) * 1979-06-20 1981-01-12
JPS5757614A (en) * 1980-09-24 1982-04-06 Hirado Kinzoku Kogyo Kk Fixing mechanism of automatic stone breaking device
JPS60191706A (ja) * 1984-03-08 1985-09-30 Miyanaga:Kk 拡径孔部削成装置

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU6420980A (en) * 1979-11-19 1981-05-28 Lategan, L.H. Anchoring of roof bolts
EP0034658A1 (de) * 1980-02-23 1981-09-02 Fischerwerke Arthur Fischer GmbH & Co. KG Bohreinheit zur Herstellung von hinterschnittenen Bohrlöchern
DE8213668U1 (de) * 1982-05-12 1982-08-19 Hawera Probst Gmbh + Co, 7980 Ravensburg Bohrwerkzeug
GB8425400D0 (en) * 1984-10-08 1984-11-14 Dom Holdings Plc Tool
DE3818079A1 (de) * 1988-05-27 1989-12-07 Plica Werkzeugfabrik Ag Fraeswerkzeug und verfahren zum ausfraesen zylindrischer bohrloecher
GB2248200B (en) * 1990-09-28 1994-02-16 David Patrick Payne Further improvements in drills
GB2291369B (en) * 1994-07-15 1998-06-10 Unicorn Abrasives Ltd Forming holes
DE10311079A1 (de) 2003-03-13 2004-09-30 Powers Fasteners Europe Bv Bohrvorrichtung
DE102008004516B4 (de) * 2008-01-16 2015-02-12 Sergey Ventsel Schneidwerkzeug für Erzeugung hohlen Raums in festen Materialien
CN101793157B (zh) * 2010-03-23 2011-11-30 北京科技大学 一种充填体支护的方法
CN114352206B (zh) * 2021-11-25 2024-01-12 湖北兴龙工具有限公司 扩径用钻头
CN114922636B (zh) * 2022-05-27 2024-10-08 重庆交通大学 一种基于台车钻机平台的异形孔开槽刀头套具

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS562761U (de) * 1979-06-20 1981-01-12
JPS5757614A (en) * 1980-09-24 1982-04-06 Hirado Kinzoku Kogyo Kk Fixing mechanism of automatic stone breaking device
JPH0330482B2 (de) * 1980-09-24 1991-04-30
JPS60191706A (ja) * 1984-03-08 1985-09-30 Miyanaga:Kk 拡径孔部削成装置

Also Published As

Publication number Publication date
ATA464074A (de) 1975-12-15
FR2234079B3 (de) 1977-04-15
FR2234079A1 (de) 1975-01-17
CH579207A5 (de) 1976-08-31
AT332099B (de) 1976-09-10
GB1434173A (en) 1976-05-05
JPS5729242B2 (de) 1982-06-22

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