IT941107B - ROCK FOIL FOR PERFORATRI CI PERCUSSION - Google Patents

ROCK FOIL FOR PERFORATRI CI PERCUSSION

Info

Publication number: IT941107B
Authority: IT; Italy
Prior art keywords: perforatri; percussion; rock; foil; rock foil
Prior art date: 1970-11-25

Application number

IT3085471A

Other languages

Italian (it)

Original Assignee

Reinholdt H A S

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.)

1970-11-25

Filing date

1971-11-09

Publication date

1973-03-01

1971-11-09 Application filed by Reinholdt H A S filed Critical Reinholdt H A S

1973-03-01 Application granted granted Critical

1973-03-01 Publication of IT941107B publication Critical patent/IT941107B/en

Classifications

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

IT3085471A 1970-11-25 1971-11-09 ROCK FOIL FOR PERFORATRI CI PERCUSSION IT941107B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19702057892 DE2057892A1 (en)	1970-11-25	1970-11-25	Rock drill bits for impact drills

Publications (1)

Publication Number	Publication Date
IT941107B true IT941107B (en)	1973-03-01

Family

ID=5789029

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT3085471A IT941107B (en)	1970-11-25	1971-11-09	ROCK FOIL FOR PERFORATRI CI PERCUSSION

Country Status (7)

Country	Link
AT (1)	AT313220B (en)
CH (1)	CH525753A (en)
DE (1)	DE2057892A1 (en)
FR (1)	FR2115828A5 (en)
GB (1)	GB1362292A (en)
IT (1)	IT941107B (en)
NL (1)	NL7114401A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH626557A5 (en) *	1978-09-28	1981-11-30	Guex Philippe & Fils Sa
DE3014693A1 (en) *	1980-04-16	1981-10-22	Hilti AG, 9494 Schaan	ROCK DRILL
DE4338667A1 (en) *	1993-11-12	1995-05-18	Hilti Ag	Drilling tool
US5641028A (en) *	1995-08-10	1997-06-24	Black & Decker Inc.	Drill bit with debris conveying flute
GB2393681A (en)	2002-10-03	2004-04-07	Black & Decker Inc	Masonry drilling tool

1970
- 1970-11-25 DE DE19702057892 patent/DE2057892A1/en active Pending
1971
- 1971-09-20 CH CH1368671A patent/CH525753A/en not_active IP Right Cessation
- 1971-09-22 AT AT819771A patent/AT313220B/en not_active IP Right Cessation
- 1971-10-20 NL NL7114401A patent/NL7114401A/xx unknown
- 1971-10-27 GB GB4988971A patent/GB1362292A/en not_active Expired
- 1971-11-05 FR FR7139712A patent/FR2115828A5/fr not_active Expired
- 1971-11-09 IT IT3085471A patent/IT941107B/en active

Also Published As

Publication number	Publication date
GB1362292A (en)	1974-08-07
NL7114401A (en)	1972-05-29
DE2057892A1 (en)	1972-06-08
FR2115828A5 (en)	1972-07-07
CH525753A (en)	1972-07-31
AT313220B (en)	1974-02-11

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