GB2295109B - Centre drill insert for a trepanning tool - Google Patents

Centre drill insert for a trepanning tool

Info

Publication number
GB2295109B
GB2295109B GB9522584A GB9522584A GB2295109B GB 2295109 B GB2295109 B GB 2295109B GB 9522584 A GB9522584 A GB 9522584A GB 9522584 A GB9522584 A GB 9522584A GB 2295109 B GB2295109 B GB 2295109B
Authority
GB
United Kingdom
Prior art keywords
drill insert
centre drill
trepanning tool
trepanning
tool
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
GB9522584A
Other versions
GB9522584D0 (en
GB2295109A (en
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 GB9522584D0 publication Critical patent/GB9522584D0/en
Publication of GB2295109A publication Critical patent/GB2295109A/en
Application granted granted Critical
Publication of GB2295109B publication Critical patent/GB2295109B/en
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)
  • Drilling Tools (AREA)
  • Earth Drilling (AREA)
GB9522584A 1994-11-19 1995-11-03 Centre drill insert for a trepanning tool Expired - Fee Related GB2295109B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4441275A DE4441275B4 (en) 1994-11-19 1994-11-19 Centering drill bit for a hollow drilling tool

Publications (3)

Publication Number Publication Date
GB9522584D0 GB9522584D0 (en) 1996-01-03
GB2295109A GB2295109A (en) 1996-05-22
GB2295109B true GB2295109B (en) 1997-01-22

Family

ID=6533693

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9522584A Expired - Fee Related GB2295109B (en) 1994-11-19 1995-11-03 Centre drill insert for a trepanning tool

Country Status (5)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10213217A1 (en) * 2002-03-25 2003-10-16 Hilti Ag Guide insert for a core bit
US8790052B2 (en) * 2010-04-27 2014-07-29 Western Saw Bolt on drive assembly for a core drill with high strength spoked reinforcer
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
EP2701870A4 (en) * 2011-04-26 2014-09-17 Western Saw Manufacturers Inc Bolt on drive assembly for a core drill with high strength spoked reinforcer with adapter
DE202019101214U1 (en) * 2019-03-04 2019-09-05 C. & E. Fein Gmbh Tool device for a machine tool

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8335453U1 (en) * 1984-05-03 Hawera Probst Gmbh + Co, 7980 Ravensburg Center drill for a hollow core bit
US4090804A (en) * 1977-02-04 1978-05-23 Haley Ernest K Circular drill with centering device
JPS60263608A (en) * 1984-06-11 1985-12-27 Masateru Tamura Core run-away preventing tool for drill
DE9302487U1 (en) * 1993-02-20 1994-06-23 Bosch Gmbh Robert Drilling tool

Also Published As

Publication number Publication date
GB9522584D0 (en) 1996-01-03
DE4441275A1 (en) 1996-05-23
ITMI952335A1 (en) 1997-05-14
ITMI952335A0 (en) 1995-11-14
DE4441275B4 (en) 2004-03-25
IT1276128B1 (en) 1997-10-27
FR2727043B1 (en) 1997-01-03
CH690568A5 (en) 2000-10-31
FR2727043A1 (en) 1996-05-24
GB2295109A (en) 1996-05-22

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20091103