DK541089D0 - DRILLING TOOL - Google Patents

DRILLING TOOL

Info

Publication number: DK541089D0
Authority: DK; Denmark
Prior art keywords: drilling tool; drilling; tool
Prior art date: 1988-10-31

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.)

1988-10-31

Filing date

1989-10-30

Publication date

1989-10-30

1989-10-30 Application filed by Hilti Ag filed Critical Hilti Ag

1989-10-30 Publication of DK541089D0 publication Critical patent/DK541089D0/en

1990-05-01 Publication of DK541089A publication Critical patent/DK541089A/en

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

1988
- 1988-10-31 DE DE3836969A patent/DE3836969A1/en not_active Withdrawn
1989
- 1989-10-11 EP EP89810775A patent/EP0367718B1/en not_active Expired - Lifetime
- 1989-10-11 DE DE89810775T patent/DE58906572D1/en not_active Expired - Fee Related
- 1989-10-30 DK DK541089A patent/DK541089A/en not_active Application Discontinuation

Also Published As

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

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Legal Events

Date	Code	Title	Description
2002-05-06	AHS	Application shelved for other reasons than non-payment