PT8771T - Broca para a obtencao de furos cilindricos - Google Patents

Broca para a obtencao de furos cilindricos

Info

Publication number
PT8771T
PT8771T PT8771U PT877193U PT8771T PT 8771 T PT8771 T PT 8771T PT 8771 U PT8771 U PT 8771U PT 877193 U PT877193 U PT 877193U PT 8771 T PT8771 T PT 8771T
Authority
PT
Portugal
Prior art keywords
cylindrical holes
shank
drills
widened portions
making cylindrical
Prior art date
Application number
PT8771U
Other languages
English (en)
Other versions
PT8771U (pt
Inventor
Artur Fischer
Original Assignee
Fischer Artur Werke Gmbh
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 Fischer Artur Werke Gmbh filed Critical Fischer Artur Werke Gmbh
Publication of PT8771T publication Critical patent/PT8771T/pt
Publication of PT8771U publication Critical patent/PT8771U/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/02—Twist drills
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • B23B2226/00—Materials of tools or workpieces not comprising a metal
    • B23B2226/75—Stone, rock or concrete
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2260/00—Details of constructional elements
    • B23B2260/072—Grooves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2217/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D2217/003—Details relating to chucks with radially movable locking elements
    • B25D2217/0034—Details of shank profiles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/89—Tool or Tool with support
    • Y10T408/909—Having peripherally spaced cutting edges
    • Y10T408/9095—Having peripherally spaced cutting edges with axially extending relief channel
    • Y10T408/9097—Spiral channel
PT8771U 1990-08-06 1993-05-11 Broca para a obtencao de furos cilindricos PT8771U (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4024889 1990-08-06
DE4028261A DE4028261A1 (de) 1990-08-06 1990-09-06 Bohrer zur herstellung von zylindrischen bohrloechern

Publications (2)

Publication Number Publication Date
PT8771T true PT8771T (pt) 1994-01-31
PT8771U PT8771U (pt) 1996-01-31

Family

ID=25895681

Family Applications (1)

Application Number Title Priority Date Filing Date
PT8771U PT8771U (pt) 1990-08-06 1993-05-11 Broca para a obtencao de furos cilindricos

Country Status (12)

Country Link
US (1) US5096344A (pt)
EP (1) EP0470354B1 (pt)
JP (1) JPH07115348B2 (pt)
CN (1) CN1028733C (pt)
AT (1) ATE104884T1 (pt)
BR (1) BR9103366A (pt)
CA (1) CA2048412A1 (pt)
DE (2) DE4028261A1 (pt)
DK (1) DK0470354T3 (pt)
ES (1) ES2055942T3 (pt)
HU (1) HUT58589A (pt)
PT (1) PT8771U (pt)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9103015U1 (pt) * 1991-03-13 1992-07-09 Fischerwerke Artur Fischer Gmbh & Co Kg, 7244 Waldachtal, De
DE4314868C2 (de) * 1993-05-05 2002-05-16 Hawera Probst Kg Hartmetall Bohrwerkzeug
DE4338667A1 (de) * 1993-11-12 1995-05-18 Hilti Ag Bohrwerkzeug
DE19504466A1 (de) * 1995-02-10 1996-08-14 Hilti Ag Drehbohrwerkzeug
US5586399A (en) * 1995-08-22 1996-12-24 V.T.S. Trenching Systems Ltd. Vertical trencher apparatus employing cutter having helical channel of varying rise angle
US5915485A (en) * 1997-01-13 1999-06-29 Mcatavey; Dennis B. Ski post hole auger bit
DE19722519A1 (de) * 1997-05-30 1998-12-03 Hawera Probst Gmbh Bohrwerkzeug
FR2789438B1 (fr) * 1999-02-05 2001-05-04 Smf Internat Element profile pour un equipement de forage rotatif et tige de forage comportant au moins un troncon profile
DE10011108A1 (de) * 2000-03-09 2001-09-13 Hawera Probst Gmbh Gesteinsbohrer
DE20102914U1 (de) * 2001-02-19 2001-05-03 Berner Gmbh Bohrer mit Bohrkopf aus Hartmetall
US20040126339A1 (en) * 2002-12-31 2004-07-01 Roszell James A. Sunscreen composition and methods for manufacturing and using a sunscreen composition
JP5035189B2 (ja) * 2008-09-10 2012-09-26 三菱マテリアル株式会社 ドリル
EP2801421A1 (de) * 2013-05-06 2014-11-12 HILTI Aktiengesellschaft Wendelbohrer und Herstellungsverfahren
TWI554348B (zh) * 2014-04-16 2016-10-21 創國興業有限公司 鑽頭結構
US9359826B2 (en) 2014-05-07 2016-06-07 Baker Hughes Incorporated Formation-engaging structures having retention features, earth-boring tools including such structures, and related methods
US10502001B2 (en) 2014-05-07 2019-12-10 Baker Hughes, A Ge Company, Llc Earth-boring tools carrying formation-engaging structures
US9476257B2 (en) 2014-05-07 2016-10-25 Baker Hughes Incorporated Formation-engaging assemblies and earth-boring tools including such assemblies
KR200484322Y1 (ko) * 2017-04-10 2017-08-24 민병수 드릴용 파이프홀딩 확관 비트
US11701243B2 (en) * 2018-09-17 2023-07-18 Tarca Llc Apparatuses and methods for milling bone

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE460802C (de) * 1931-04-01 Carl Sauer Gesteinsschlagbohrer mit Spiralnuten
DE349392C (de) * 1922-03-02 Hans Kocher Bohrer mit achsial verlaufenden Laengsnuten
FR1118255A (fr) * 1955-01-26 1956-06-04 Foret pour marbre, granit, faïence, fonte et autres matériaux
DE1427773A1 (de) * 1965-11-27 1969-07-17 Thorsman Oswald Willy Bohrer mit Bohrtiefmarkierungen fuer den Einsatz in Kombination mit Pfloecken und ein Pflocksatz fuer einen derartigen Bohrer
US3645642A (en) * 1970-03-10 1972-02-29 George Koslow Taper drill
US4080093A (en) * 1974-11-18 1978-03-21 Hartmetallwerkzeugfabrik Andreas Maier Kg Drill for electronic conductor plates
US4007795A (en) * 1976-02-13 1977-02-15 Skil Corporation Attachment for a rotary-hammer tool
US4285620A (en) * 1979-06-14 1981-08-25 Mcdonnell Douglas Corporation Symmetrical spur point drill
DE3014388A1 (de) * 1980-04-15 1981-10-22 Artur Dr.H.C. 7244 Waldachtal Fischer Zur herstellung von bohrloechern mit hinterschneidungen bestimmte bohreinheit
JPS59219108A (ja) * 1983-05-25 1984-12-10 Sumitomo Electric Ind Ltd ドリル
DE3527933A1 (de) * 1985-04-23 1986-10-23 HAWERA Präzisionswerkzeuge GmbH, 7980 Ravensburg Hartmetall-spiralbohrer
CA1224414A (en) * 1985-09-17 1987-07-21 Gulf Canada Corporation/Corporation Gulf Canada Stabilizer for drillstems
US4789276A (en) * 1987-09-04 1988-12-06 Diversified Electronics, Inc. Twist drill for tough plastics
GB2212091B (en) * 1987-11-12 1992-01-22 Boart Hardmetals Drilling equipment
EP0320881B2 (en) * 1987-12-14 2003-10-22 Mitsubishi Materials Corporation Twist drill
DE3828982A1 (de) * 1988-08-26 1990-03-01 Fischer Artur Werke Gmbh Bohrvorrichtung zur herstellung von bohrloechern mit hinterschneidung

Also Published As

Publication number Publication date
ES2055942T3 (es) 1994-09-01
US5096344A (en) 1992-03-17
DK0470354T3 (da) 1994-05-30
HU912297D0 (en) 1991-12-30
CN1058743A (zh) 1992-02-19
ATE104884T1 (de) 1994-05-15
JPH04226707A (ja) 1992-08-17
BR9103366A (pt) 1992-05-05
DE4028261A1 (de) 1992-02-13
DE59101490D1 (de) 1994-06-01
PT8771U (pt) 1996-01-31
CA2048412A1 (en) 1992-02-07
EP0470354B1 (de) 1994-04-27
EP0470354A1 (de) 1992-02-12
CN1028733C (zh) 1995-06-07
HUT58589A (en) 1992-03-30
JPH07115348B2 (ja) 1995-12-13

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Legal Events

Date Code Title Description
BB1K Laying open of utility model application

Effective date: 19930712

FG3K Utility model granted, date of granting

Effective date: 19951027

MM3K Annulment or lapse (utility model)

Effective date: 19980430