GB1434173A - Drilling of holes - Google Patents

Drilling of holes

Info

Publication number
GB1434173A
GB1434173A GB2670874A GB2670874A GB1434173A GB 1434173 A GB1434173 A GB 1434173A GB 2670874 A GB2670874 A GB 2670874A GB 2670874 A GB2670874 A GB 2670874A GB 1434173 A GB1434173 A GB 1434173A
Authority
GB
United Kingdom
Prior art keywords
casing
boring tool
shaft
borer
workpiece
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
GB2670874A
Other languages
English (en)
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.)
STUMPP KURZ
Original Assignee
STUMPP KURZ
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 by STUMPP KURZ filed Critical STUMPP KURZ
Publication of GB1434173A publication Critical patent/GB1434173A/en
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)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Drilling And Boring (AREA)
GB2670874A 1973-06-20 1974-06-17 Drilling of holes Expired GB1434173A (en)

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 (1)

Publication Number Publication Date
GB1434173A true GB1434173A (en) 1976-05-05

Family

ID=27185347

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2670874A Expired GB1434173A (en) 1973-06-20 1974-06-17 Drilling of holes

Country Status (5)

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

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2165173A (en) * 1984-10-08 1986-04-09 Dom Holdings Plc Rotary tool
EP0343653A1 (de) * 1988-05-27 1989-11-29 Plica Werkzeugfabrik Ag Fräswerkzeug und Verfahren zum Ausfräsen zylindrischer Bohrlöcher
GB2248200A (en) * 1990-09-28 1992-04-01 David Patrick Payne Expansible drill bit for undercutting bores
GB2291369A (en) * 1994-07-15 1996-01-24 Unicorn Abrasives Ltd Forming holes
US7188690B2 (en) 2003-03-13 2007-03-13 Paul Geuvers Drilling device and method for producing undercut holes
CN101793157A (zh) * 2010-03-23 2010-08-04 北京科技大学 一种充填体支护的方法
CN114352206A (zh) * 2021-11-25 2022-04-15 傅丽兵 扩径用钻头
CN114922636A (zh) * 2022-05-27 2022-08-19 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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS562761U (enExample) * 1979-06-20 1981-01-12
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
JPS5757614A (en) * 1980-09-24 1982-04-06 Hirado Kinzoku Kogyo Kk Fixing mechanism of automatic stone breaking device
DE8213668U1 (de) * 1982-05-12 1982-08-19 Hawera Probst Gmbh + Co, 7980 Ravensburg Bohrwerkzeug
JPS60191706A (ja) * 1984-03-08 1985-09-30 Miyanaga:Kk 拡径孔部削成装置
DE102008004516B4 (de) * 2008-01-16 2015-02-12 Sergey Ventsel Schneidwerkzeug für Erzeugung hohlen Raums in festen Materialien

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2165173A (en) * 1984-10-08 1986-04-09 Dom Holdings Plc Rotary tool
US4717292A (en) * 1984-10-08 1988-01-05 Dom Holdings Plc Drill bit
EP0343653A1 (de) * 1988-05-27 1989-11-29 Plica Werkzeugfabrik Ag Fräswerkzeug und Verfahren zum Ausfräsen zylindrischer Bohrlöcher
GB2248200A (en) * 1990-09-28 1992-04-01 David Patrick Payne Expansible drill bit for undercutting bores
GB2248200B (en) * 1990-09-28 1994-02-16 David Patrick Payne Further improvements in drills
GB2291369A (en) * 1994-07-15 1996-01-24 Unicorn Abrasives Ltd Forming holes
GB2291369B (en) * 1994-07-15 1998-06-10 Unicorn Abrasives Ltd Forming holes
US7188690B2 (en) 2003-03-13 2007-03-13 Paul Geuvers Drilling device and method for producing undercut holes
CN101793157A (zh) * 2010-03-23 2010-08-04 北京科技大学 一种充填体支护的方法
CN114352206A (zh) * 2021-11-25 2022-04-15 傅丽兵 扩径用钻头
CN114352206B (zh) * 2021-11-25 2024-01-12 湖北兴龙工具有限公司 扩径用钻头
CN114922636A (zh) * 2022-05-27 2022-08-19 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

Also Published As

Publication number Publication date
JPS5729242B2 (enExample) 1982-06-22
CH579207A5 (enExample) 1976-08-31
AT332099B (de) 1976-09-10
FR2234079A1 (enExample) 1975-01-17
JPS5076680A (enExample) 1975-06-23
ATA464074A (de) 1975-12-15
FR2234079B3 (enExample) 1977-04-15

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920617