NL7600521A - Steenboor. - Google Patents

Steenboor.

Info

Publication number: NL7600521A
Authority: NL; Netherlands
Prior art keywords: stone drill; drill; stone
Prior art date: 1975-03-13

Application number

NL7600521A

Other languages

English (en)

Dutch (nl)

Original Assignee

Fischer Artur

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.)

1975-03-13

Filing date

1976-01-20

Publication date

1976-09-15

1976-01-20 Application filed by Fischer Artur filed Critical Fischer Artur

1976-09-15 Publication of NL7600521A publication Critical patent/NL7600521A/xx

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
- 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

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Life Sciences & Earth Sciences (AREA)
Geology (AREA)
Mining & Mineral Resources (AREA)
Physics & Mathematics (AREA)
Environmental & Geological Engineering (AREA)
Fluid Mechanics (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Processing Of Stones Or Stones Resemblance Materials (AREA)
Drilling Tools (AREA)

NL7600521A 1975-03-13 1976-01-20 Steenboor. NL7600521A (nl)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19757507903 DE7507903U (de)	1975-03-13	1975-03-13	Steinbohrer

Publications (1)

Publication Number	Publication Date
NL7600521A true NL7600521A (nl)	1976-09-15

Family

ID=6650839

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7600521A NL7600521A (nl)	1975-03-13	1976-01-20	Steenboor.

Country Status (10)

Country	Link
AR (1)	AR205505A1 (it)
BE (1)	BE838084A (it)
BR (1)	BR7601447A (it)
CH (1)	CH607779A5 (it)
DE (1)	DE7507903U (it)
DK (1)	DK90976A (it)
ES (1)	ES218957Y (it)
FR (1)	FR2303650A1 (it)
IT (1)	IT1056792B (it)
NL (1)	NL7600521A (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19819917A1 (de) *	1998-05-05	1999-11-18	Bosch Gmbh Robert	Sackloch, insbesondere zum Eindrehen von gewindeformenden Schrauben und ein Verfahren zu dessen Herstellung
DE10057877C2 (de) *	2000-11-22	2002-10-17	Lueken Gisela	Bohrkopf
DE102013205363B4 (de)	2013-03-26	2022-01-05	Kennametal Inc.	Werkzeugkopf sowie Verfahren zur Bearbeitung eines metallischen Werkstücks

1975
- 1975-03-13 DE DE19757507903 patent/DE7507903U/de not_active Expired
1976
- 1976-01-01 AR AR26232176A patent/AR205505A1/es active
- 1976-01-20 NL NL7600521A patent/NL7600521A/xx not_active Application Discontinuation
- 1976-01-30 BE BE163937A patent/BE838084A/xx unknown
- 1976-02-17 FR FR7604253A patent/FR2303650A1/fr not_active Withdrawn
- 1976-02-20 ES ES1976218957U patent/ES218957Y/es not_active Expired
- 1976-02-23 CH CH216776A patent/CH607779A5/xx not_active IP Right Cessation
- 1976-03-01 IT IT2072776A patent/IT1056792B/it active
- 1976-03-03 DK DK90976A patent/DK90976A/da unknown
- 1976-03-10 BR BR7601447A patent/BR7601447A/pt unknown

Also Published As

Publication number	Publication date
DK90976A (da)	1976-09-14
CH607779A5 (en)	1978-10-31
BE838084A (fr)	1976-05-14
FR2303650A1 (fr)	1976-10-08
DE7507903U (de)	1976-10-07
AR205505A1 (es)	1976-05-07
ES218957Y (es)	1977-01-16
BR7601447A (pt)	1976-09-14
IT1056792B (it)	1982-02-20
ES218957U (es)	1976-09-01

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Legal Events

Date	Code	Title	Description
1979-09-25	BV	The patent application has lapsed