DE3927615C2 - - Google Patents

Info

Publication number
DE3927615C2
DE3927615C2 DE19893927615 DE3927615A DE3927615C2 DE 3927615 C2 DE3927615 C2 DE 3927615C2 DE 19893927615 DE19893927615 DE 19893927615 DE 3927615 A DE3927615 A DE 3927615A DE 3927615 C2 DE3927615 C2 DE 3927615C2
Authority
DE
Germany
Prior art keywords
twist drill
drill
diameter
tip
drill according
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
DE19893927615
Other languages
German (de)
English (en)
Other versions
DE3927615A1 (de
Inventor
Manfred Dipl.-Ing. Schwenck (Fh), 7470 Albstadt, De
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.)
G Hartner & Co Kg 7470 Albstadt De GmbH
Original Assignee
G Hartner & Co Kg 7470 Albstadt De 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 G Hartner & Co Kg 7470 Albstadt De GmbH filed Critical G Hartner & Co Kg 7470 Albstadt De GmbH
Priority to DE19893927615 priority Critical patent/DE3927615A1/de
Publication of DE3927615A1 publication Critical patent/DE3927615A1/de
Application granted granted Critical
Publication of DE3927615C2 publication Critical patent/DE3927615C2/de
Granted 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
    • B23B51/02—Twist drills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/18—Configuration of the drill point
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/24—Overall form of drilling tools
    • B23B2251/241—Cross sections of the diameter of the drill
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/40—Flutes, i.e. chip conveying grooves
    • B23B2251/406—Flutes, i.e. chip conveying grooves of special form not otherwise provided for

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
DE19893927615 1989-08-22 1989-08-22 Spiralbohrer fuer rost- und saeurebestaendige staehle Granted DE3927615A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19893927615 DE3927615A1 (de) 1989-08-22 1989-08-22 Spiralbohrer fuer rost- und saeurebestaendige staehle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19893927615 DE3927615A1 (de) 1989-08-22 1989-08-22 Spiralbohrer fuer rost- und saeurebestaendige staehle

Publications (2)

Publication Number Publication Date
DE3927615A1 DE3927615A1 (de) 1991-02-28
DE3927615C2 true DE3927615C2 (enrdf_load_stackoverflow) 1993-06-17

Family

ID=6387567

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19893927615 Granted DE3927615A1 (de) 1989-08-22 1989-08-22 Spiralbohrer fuer rost- und saeurebestaendige staehle

Country Status (1)

Country Link
DE (1) DE3927615A1 (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19627436A1 (de) * 1996-07-08 1998-01-15 Guenther & Co Gmbh & Co Vollhartmetallbohrer
US9085074B2 (en) 2011-03-22 2015-07-21 Black & Decker Inc. Chisels
USD734792S1 (en) 2013-03-15 2015-07-21 Black & Decker Inc. Drill bit
USD737875S1 (en) 2013-03-15 2015-09-01 Black & Decker Inc. Drill bit
DE102009030689B4 (de) 2008-06-28 2022-08-25 Gühring KG Mehrschneidiges Bohrwerkzeug

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4117486C2 (de) * 1991-05-28 1995-07-27 Hitachi Seiko Kk Bohrer
JP2003300110A (ja) * 2002-04-03 2003-10-21 Osg Corp ドリルおよびその製造方法
US8740515B2 (en) 2008-09-03 2014-06-03 Black & Decker Inc. Metal cutting drill bit
US9333564B2 (en) 2013-03-15 2016-05-10 Black & Decker Inc. Drill bit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS634211U (enrdf_load_stackoverflow) * 1986-06-23 1988-01-12

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19627436A1 (de) * 1996-07-08 1998-01-15 Guenther & Co Gmbh & Co Vollhartmetallbohrer
DE102009030689B4 (de) 2008-06-28 2022-08-25 Gühring KG Mehrschneidiges Bohrwerkzeug
US9085074B2 (en) 2011-03-22 2015-07-21 Black & Decker Inc. Chisels
US9333635B2 (en) 2011-03-22 2016-05-10 Black & Decker Inc. Chisels
USD734792S1 (en) 2013-03-15 2015-07-21 Black & Decker Inc. Drill bit
USD737875S1 (en) 2013-03-15 2015-09-01 Black & Decker Inc. Drill bit

Also Published As

Publication number Publication date
DE3927615A1 (de) 1991-02-28

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee