YU54681A - Unit for boring openings - Google Patents

Unit for boring openings

Info

Publication number
YU54681A
YU54681A YU00546/81A YU54681A YU54681A YU 54681 A YU54681 A YU 54681A YU 00546/81 A YU00546/81 A YU 00546/81A YU 54681 A YU54681 A YU 54681A YU 54681 A YU54681 A YU 54681A
Authority
YU
Yugoslavia
Prior art keywords
drill
unit
drill shaft
shaft
cutting edges
Prior art date
Application number
YU00546/81A
Inventor
Fischer Artur
Artur Fischer
Original Assignee
Artur Fischer
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 Artur Fischer filed Critical Artur Fischer
Publication of YU54681A publication Critical patent/YU54681A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/005—Cylindrical shanks of tools
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2231/00—Details of chucks, toolholder shanks or tool shanks
    • B23B2231/02—Features of shanks of tools not relating to the operation performed by the tool
    • B23B2231/0276—Keyways
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2260/00—Details of constructional elements
    • B23B2260/138—Screw threads

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Drilling And Boring (AREA)
  • Drilling Tools (AREA)
  • Earth Drilling (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Branch Pipes, Bends, And The Like (AREA)

Abstract

1. Drill unit which is intended for producing drilled holes (16) having undercuts (11) and which comprises a drill shaft (1) and a laminar drill bit (2) connected thereto having lateral cutting edges (4, 5) which, apart from the cutting edges at the tip (3), project radially beyond the drill shaft (1), and the unit being provided with a stop sleeve (7) that can be fastened on the drill shaft (1) and is supported, to form a swivel bearing, in a depression (13) in a stop plate (15) mounted over the drill shaft (1), characterised in that part (1a) of the drill shaft (1) that engages in the drill chuck has an increased diameter in order to form an abutment against which the end of the stop sleeve (7) remote from the drilled hole (16) rests.
YU00546/81A 1980-04-25 1981-03-04 Unit for boring openings YU54681A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3015999A DE3015999C2 (en) 1980-04-25 1980-04-25 Drilling unit for producing an undercut in the borehole

Publications (1)

Publication Number Publication Date
YU54681A true YU54681A (en) 1983-06-30

Family

ID=6100949

Family Applications (1)

Application Number Title Priority Date Filing Date
YU00546/81A YU54681A (en) 1980-04-25 1981-03-04 Unit for boring openings

Country Status (10)

Country Link
EP (1) EP0038917B1 (en)
JP (1) JPS56167409A (en)
AT (1) ATE6750T1 (en)
BR (1) BR8102479A (en)
DE (1) DE3015999C2 (en)
DK (1) DK150450C (en)
ES (1) ES257733Y (en)
GR (1) GR73562B (en)
HU (1) HU183407B (en)
YU (1) YU54681A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3423633A1 (en) * 1984-06-27 1986-01-09 Artur Dr.H.C. 7244 Waldachtal Fischer DRILLING DEVICE FOR PRODUCING DRILL HOLES WITH UNDERCUT
DE3711903A1 (en) * 1987-04-08 1988-10-20 Fischer Artur Werke Gmbh DRILLING DEVICE FOR PRODUCING DRILL HOLES WITH UNDERCUT
DE3821056A1 (en) * 1988-06-22 1989-12-28 Fischer Artur Werke Gmbh DRILL FOR PRODUCING DRILL HOLES WITH UNDERCUT
DE3924044A1 (en) * 1989-07-21 1991-01-24 Fischer Artur Werke Gmbh DEVICE FOR PRODUCING AN UNDERCUT IN A DRILL HOLE
DE4014224A1 (en) * 1990-05-04 1991-11-07 Fischer Artur Werke Gmbh DEVICE FOR PRODUCING DRILL HOLES WITH UNDERCUT
DE4121621A1 (en) * 1991-06-29 1993-01-07 Fischer Artur Werke Gmbh Drill for work on masonry behind wall surfacings - has plate-shaped edge on damping element which is curved with pins and movable centre

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE670370C (en) * 1937-04-23 1939-01-17 Spiralbohrerfabrik G A Hartner Cutting tool composed of two parts, in particular twist drill or reamer or end mill
US4154311A (en) * 1975-09-05 1979-05-15 Artur Fischer Drilling assembly
DE2603431C2 (en) * 1976-01-30 1984-08-09 Artur 7244 Waldachtal Fischer Drilling unit
DE2657000C2 (en) * 1976-12-16 1985-10-10 Artur Dr.H.C. 7244 Waldachtal Fischer Drilling unit for producing drill holes with an undercut
US4113405A (en) * 1977-08-08 1978-09-12 Dillinger Lester L Apparatus for drilling or reaming
DE2746029C2 (en) * 1977-10-13 1985-10-10 Fischer, Artur, Dr.H.C., 7244 Waldachtal Drilling unit

Also Published As

Publication number Publication date
BR8102479A (en) 1982-01-05
EP0038917A2 (en) 1981-11-04
EP0038917B1 (en) 1984-03-21
DE3015999C2 (en) 1984-05-10
GR73562B (en) 1984-03-15
HU183407B (en) 1984-05-28
DE3015999A1 (en) 1981-11-05
ATE6750T1 (en) 1984-04-15
DK150450C (en) 1987-11-23
ES257733U (en) 1981-11-16
EP0038917A3 (en) 1981-12-09
JPS56167409A (en) 1981-12-23
DK150450B (en) 1987-03-02
DK137081A (en) 1981-10-26
ES257733Y (en) 1982-05-16

Similar Documents

Publication Publication Date Title
YU41982B (en) Accessories for boring openings by undercutting
ES257577U (en) Drilling unit used to manufacture undercut holes.
TW265290B (en) Drilling device for producing drilled holes with an undercut
YU54681A (en) Unit for boring openings
DK151782A (en) DRILLING EQUIPMENT FOR MANUFACTURING DIFFERENT BORROWINGS
ES281413Y (en) PERFECT DRILLING DEVICE
DE69813685D1 (en) Drill Bushing
HUT41672A (en) Boring apparatus for making holes having back-cut
EP0171521A3 (en) Drilling device for holes having undercuttings at different positions
EP0315123A3 (en) Drilling tool
GR3003601T3 (en)
SE450557B (en) Elbow milling machine