CH579207A5 - - Google Patents

Info

Publication number
CH579207A5
CH579207A5 CH830474A CH830474A CH579207A5 CH 579207 A5 CH579207 A5 CH 579207A5 CH 830474 A CH830474 A CH 830474A CH 830474 A CH830474 A CH 830474A CH 579207 A5 CH579207 A5 CH 579207A5
Authority
CH
Switzerland
Application number
CH830474A
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 CH579207A5 publication Critical patent/CH579207A5/xx

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)
CH830474A 1973-06-20 1974-06-18 CH579207A5 (xx)

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
CH579207A5 true CH579207A5 (xx) 1976-08-31

Family

ID=27185347

Family Applications (1)

Application Number Title Priority Date Filing Date
CH830474A CH579207A5 (xx) 1973-06-20 1974-06-18

Country Status (5)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0029354A1 (en) * 1979-11-19 1981-05-27 Leslie Henry Lategan Anchoring of roof bolts
EP0034658A1 (de) * 1980-02-23 1981-09-02 Fischerwerke Arthur Fischer GmbH & Co. KG Bohreinheit zur Herstellung von hinterschnittenen Bohrlöchern
DE102008004516B4 (de) * 2008-01-16 2015-02-12 Sergey Ventsel Schneidwerkzeug für Erzeugung hohlen Raums in festen Materialien

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS562761U (xx) * 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
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
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
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0029354A1 (en) * 1979-11-19 1981-05-27 Leslie Henry Lategan Anchoring of roof bolts
EP0034658A1 (de) * 1980-02-23 1981-09-02 Fischerwerke Arthur Fischer GmbH & Co. KG Bohreinheit zur Herstellung von hinterschnittenen Bohrlöchern
DE102008004516B4 (de) * 2008-01-16 2015-02-12 Sergey Ventsel Schneidwerkzeug für Erzeugung hohlen Raums in festen Materialien

Also Published As

Publication number Publication date
FR2234079A1 (xx) 1975-01-17
FR2234079B3 (xx) 1977-04-15
AT332099B (de) 1976-09-10
GB1434173A (en) 1976-05-05
ATA464074A (de) 1975-12-15
JPS5729242B2 (xx) 1982-06-22
JPS5076680A (xx) 1975-06-23

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Legal Events

Date Code Title Description
PUE Assignment

Owner name: HILTI AKTIENGESELLSCHAFT

PL Patent ceased