FR2727043B1 - Element de centrage pour un trepan, notamment une cloche de percage comportant un foret de centrage a plusieurs bras de fixation radialement en saillie - Google Patents

Element de centrage pour un trepan, notamment une cloche de percage comportant un foret de centrage a plusieurs bras de fixation radialement en saillie

Info

Publication number
FR2727043B1
FR2727043B1 FR9512513A FR9512513A FR2727043B1 FR 2727043 B1 FR2727043 B1 FR 2727043B1 FR 9512513 A FR9512513 A FR 9512513A FR 9512513 A FR9512513 A FR 9512513A FR 2727043 B1 FR2727043 B1 FR 2727043B1
Authority
FR
France
Prior art keywords
centering
bit
surface mounting
mounting arms
several radially
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
FR9512513A
Other languages
English (en)
Other versions
FR2727043A1 (fr
Inventor
Roland Lay
Guenter Wahl
Otto Glarner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of FR2727043A1 publication Critical patent/FR2727043A1/fr
Application granted granted Critical
Publication of FR2727043B1 publication Critical patent/FR2727043B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/04—Drills for trepanning
    • B23B51/0426—Drills for trepanning with centering devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Earth Drilling (AREA)
  • Drilling Tools (AREA)
FR9512513A 1994-11-19 1995-10-24 Element de centrage pour un trepan, notamment une cloche de percage comportant un foret de centrage a plusieurs bras de fixation radialement en saillie Expired - Fee Related FR2727043B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4441275A DE4441275B4 (de) 1994-11-19 1994-11-19 Zentrierbohreinsatz für ein Hohlbohrwerkzeug

Publications (2)

Publication Number Publication Date
FR2727043A1 FR2727043A1 (fr) 1996-05-24
FR2727043B1 true FR2727043B1 (fr) 1997-01-03

Family

ID=6533693

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9512513A Expired - Fee Related FR2727043B1 (fr) 1994-11-19 1995-10-24 Element de centrage pour un trepan, notamment une cloche de percage comportant un foret de centrage a plusieurs bras de fixation radialement en saillie

Country Status (5)

Country Link
CH (1) CH690568A5 (fr)
DE (1) DE4441275B4 (fr)
FR (1) FR2727043B1 (fr)
GB (1) GB2295109B (fr)
IT (1) IT1276128B1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10213217A1 (de) * 2002-03-25 2003-10-16 Hilti Ag Führungseinsatz für eine Kernbohrkrone
US20140334892A1 (en) 2010-04-27 2014-11-13 Western Saw Manufacturers, Inc. Support assembly for a core drill
US10786852B2 (en) * 2010-04-27 2020-09-29 Western Saw Manufacturers, Inc. Support assembly for a core drill
US8790052B2 (en) * 2010-04-27 2014-07-29 Western Saw Bolt on drive assembly for a core drill with high strength spoked reinforcer
US9573199B2 (en) 2011-04-26 2017-02-21 Western Saw, Inc. Bolt on drive assembly for a core drill with high strength spoked reinforcer
DE202019101214U1 (de) * 2019-03-04 2019-09-05 C. & E. Fein Gmbh Werkzeugeinrichtung für eine Werkzeugmaschine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8335453U1 (de) * 1984-05-03 Hawera Probst Gmbh + Co, 7980 Ravensburg Zentrierbohrer für eine Hohlbohrkrone
US4090804A (en) * 1977-02-04 1978-05-23 Haley Ernest K Circular drill with centering device
JPS60263608A (ja) * 1984-06-11 1985-12-27 Masateru Tamura ドリル用コア落下防止具
DE9302487U1 (de) * 1993-02-20 1994-06-23 Robert Bosch Gmbh, 70469 Stuttgart Bohrwerkzeug

Also Published As

Publication number Publication date
ITMI952335A0 (fr) 1995-11-14
GB2295109B (en) 1997-01-22
FR2727043A1 (fr) 1996-05-24
DE4441275B4 (de) 2004-03-25
GB9522584D0 (en) 1996-01-03
GB2295109A (en) 1996-05-22
ITMI952335A1 (it) 1997-05-14
IT1276128B1 (it) 1997-10-27
DE4441275A1 (de) 1996-05-23
CH690568A5 (de) 2000-10-31

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20100630