DK541089D0 - DRILLING TOOL - Google Patents

DRILLING TOOL

Info

Publication number
DK541089D0
DK541089D0 DK541089A DK541089A DK541089D0 DK 541089 D0 DK541089 D0 DK 541089D0 DK 541089 A DK541089 A DK 541089A DK 541089 A DK541089 A DK 541089A DK 541089 D0 DK541089 D0 DK 541089D0
Authority
DK
Denmark
Prior art keywords
drilling tool
drilling
tool
Prior art date
Application number
DK541089A
Other languages
Danish (da)
Other versions
DK541089A (en
Inventor
Josef Obermeier
Original Assignee
Hilti Ag
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 Hilti Ag filed Critical Hilti Ag
Publication of DK541089D0 publication Critical patent/DK541089D0/en
Publication of DK541089A publication Critical patent/DK541089A/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
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/06—Hammer pistons; Anvils ; Guide-sleeves for pistons
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
    • E21B10/445—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts percussion type, e.g. for masonry
    • 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
    • B23B2231/026—Grooves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
DK541089A 1988-10-31 1989-10-30 DRILLING TOOL DK541089A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3836969A DE3836969A1 (en) 1988-10-31 1988-10-31 DRILLING TOOL

Publications (2)

Publication Number Publication Date
DK541089D0 true DK541089D0 (en) 1989-10-30
DK541089A DK541089A (en) 1990-05-01

Family

ID=6366209

Family Applications (1)

Application Number Title Priority Date Filing Date
DK541089A DK541089A (en) 1988-10-31 1989-10-30 DRILLING TOOL

Country Status (3)

Country Link
EP (1) EP0367718B1 (en)
DE (2) DE3836969A1 (en)
DK (1) DK541089A (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2726214A1 (en) * 1977-06-10 1978-12-21 Hilti Ag Rotary and impact drill with pneumatic piston - has buffer and seal with braking action, between piston and impact member
DE2729596A1 (en) * 1977-06-30 1979-01-11 Hilti Ag DRILL DRILL WITH PNEUMATICALLY DRIVEN PISTON

Also Published As

Publication number Publication date
DE58906572D1 (en) 1994-02-10
DK541089A (en) 1990-05-01
EP0367718A2 (en) 1990-05-09
DE3836969A1 (en) 1990-05-03
EP0367718A3 (en) 1991-07-31
EP0367718B1 (en) 1993-12-29

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Legal Events

Date Code Title Description
AHS Application shelved for other reasons than non-payment