IT1248969B - DRILLING DEVICE FOR THE CREATION OF SUB-TEAMS IN HOLES - Google Patents

DRILLING DEVICE FOR THE CREATION OF SUB-TEAMS IN HOLES

Info

Publication number
IT1248969B
IT1248969B IT02071190A IT2071190A IT1248969B IT 1248969 B IT1248969 B IT 1248969B IT 02071190 A IT02071190 A IT 02071190A IT 2071190 A IT2071190 A IT 2071190A IT 1248969 B IT1248969 B IT 1248969B
Authority
IT
Italy
Prior art keywords
teams
creation
sub
holes
drilling device
Prior art date
Application number
IT02071190A
Other languages
Italian (it)
Other versions
IT9020711A1 (en
IT9020711A0 (en
Inventor
Artur Fischer
Burkhard Mayer
Original Assignee
Fischer Artur Werke 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 Fischer Artur Werke Gmbh filed Critical Fischer Artur Werke Gmbh
Publication of IT9020711A0 publication Critical patent/IT9020711A0/it
Publication of IT9020711A1 publication Critical patent/IT9020711A1/en
Application granted granted Critical
Publication of IT1248969B publication Critical patent/IT1248969B/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
    • B23B51/0027—Drills for enlarging a hole by tool swivelling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Drilling And Boring (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
IT02071190A 1989-07-13 1990-06-21 DRILLING DEVICE FOR THE CREATION OF SUB-TEAMS IN HOLES IT1248969B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3923162A DE3923162A1 (en) 1989-07-13 1989-07-13 Undercutting holes in masonry - involves tool with flange with spherical undersurface resting on spherical support

Publications (3)

Publication Number Publication Date
IT9020711A0 IT9020711A0 (en) 1990-06-21
IT9020711A1 IT9020711A1 (en) 1991-12-21
IT1248969B true IT1248969B (en) 1995-02-11

Family

ID=6384947

Family Applications (1)

Application Number Title Priority Date Filing Date
IT02071190A IT1248969B (en) 1989-07-13 1990-06-21 DRILLING DEVICE FOR THE CREATION OF SUB-TEAMS IN HOLES

Country Status (2)

Country Link
DE (1) DE3923162A1 (en)
IT (1) IT1248969B (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4307636A (en) * 1980-03-31 1981-12-29 Drillco Devices Limited Undercutting tool
DE3128269C2 (en) * 1981-07-17 1984-02-23 WESTO-Kunststofftechnik GmbH, 4939 Steinheim Additional device for a hand drill
DE3335074A1 (en) * 1983-09-28 1985-04-11 Heinrich 6102 Pfungstadt Liebig Undercutting drilling tool
DE8624361U1 (en) * 1986-09-11 1986-11-27 Deininger, Hermann, 8702 Rottendorf Tool for creating dowel holes in hard building materials such as concrete, natural stone, etc.

Also Published As

Publication number Publication date
IT9020711A1 (en) 1991-12-21
IT9020711A0 (en) 1990-06-21
DE3923162A1 (en) 1991-01-24

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940627