AT332099B - DRILLING DEVICE - Google Patents

DRILLING DEVICE

Info

Publication number
AT332099B
AT332099B AT464074A AT464074A AT332099B AT 332099 B AT332099 B AT 332099B AT 464074 A AT464074 A AT 464074A AT 464074 A AT464074 A AT 464074A AT 332099 B AT332099 B AT 332099B
Authority
AT
Austria
Prior art keywords
drilling device
drilling
Prior art date
Application number
AT464074A
Other languages
German (de)
Other versions
ATA464074A (en
Inventor
Jurgen Kessler
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/en
Priority claimed from DE19732348211 external-priority patent/DE2348211C2/en
Priority claimed from DE19732354229 external-priority patent/DE2354229C2/en
Application filed by Stumpp & Kurz filed Critical Stumpp & Kurz
Publication of ATA464074A publication Critical patent/ATA464074A/en
Application granted granted Critical
Publication of AT332099B publication Critical patent/AT332099B/en

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)
AT464074A 1973-06-20 1974-06-05 DRILLING DEVICE AT332099B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19732331467 DE2331467B2 (en) 1973-06-20 1973-06-20 Device for boring a bore with a cylindrical and a conical area
DE19732348211 DE2348211C2 (en) 1973-09-25 1973-09-25 Drilling tool
DE19732354229 DE2354229C2 (en) 1973-10-30 1973-10-30 Drilling tool for producing a borehole that widens along a section in the drilling direction

Publications (2)

Publication Number Publication Date
ATA464074A ATA464074A (en) 1975-12-15
AT332099B true AT332099B (en) 1976-09-10

Family

ID=27185347

Family Applications (1)

Application Number Title Priority Date Filing Date
AT464074A AT332099B (en) 1973-06-20 1974-06-05 DRILLING DEVICE

Country Status (5)

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

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS562761U (en) * 1979-06-20 1981-01-12
AU6420980A (en) * 1979-11-19 1981-05-28 Lategan, L.H. Anchoring of roof bolts
EP0034658A1 (en) * 1980-02-23 1981-09-02 Fischerwerke Arthur Fischer GmbH & Co. KG Drill unit for the production of undercut holes
JPS5757614A (en) * 1980-09-24 1982-04-06 Hirado Kinzoku Kogyo Kk Fixing mechanism of automatic stone breaking device
DE8213668U1 (en) * 1982-05-12 1982-08-19 Hawera Probst Gmbh + Co, 7980 Ravensburg DRILLING TOOL
JPS60191706A (en) * 1984-03-08 1985-09-30 Miyanaga:Kk Spread-diameter hole part cutting apparatus
GB8425400D0 (en) * 1984-10-08 1984-11-14 Dom Holdings Plc Tool
DE8806973U1 (en) * 1988-05-27 1989-10-12 Plica Werkzeugfabrik Ag, Mollis Milling tool
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 (en) 2003-03-13 2004-09-30 Powers Fasteners Europe Bv Device for creation of bore wider at bottom, comprising special drill tool and guide pipe
DE102008004516B4 (en) * 2008-01-16 2015-02-12 Sergey Ventsel Cutting tool for creating hollow space in solid materials
CN101793157B (en) * 2010-03-23 2011-11-30 北京科技大学 Method for supporting filling body
CN114352206B (en) * 2021-11-25 2024-01-12 湖北兴龙工具有限公司 Drill bit for expanding
CN114922636B (en) * 2022-05-27 2024-10-08 重庆交通大学 Special-shaped hole slotting cutter head fixture based on trolley drilling machine platform

Also Published As

Publication number Publication date
CH579207A5 (en) 1976-08-31
FR2234079A1 (en) 1975-01-17
JPS5729242B2 (en) 1982-06-22
GB1434173A (en) 1976-05-05
JPS5076680A (en) 1975-06-23
FR2234079B3 (en) 1977-04-15
ATA464074A (en) 1975-12-15

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Legal Events

Date Code Title Description
EIH Change in the person of patent owner
ELJ Ceased due to non-payment of the annual fee