ZA847237B - Center free drill - Google Patents

Center free drill

Info

Publication number
ZA847237B
ZA847237B ZA847237A ZA847237A ZA847237B ZA 847237 B ZA847237 B ZA 847237B ZA 847237 A ZA847237 A ZA 847237A ZA 847237 A ZA847237 A ZA 847237A ZA 847237 B ZA847237 B ZA 847237B
Authority
ZA
South Africa
Prior art keywords
center free
free drill
drill
center
free
Prior art date
Application number
ZA847237A
Other languages
English (en)
Inventor
Michael Dean Fangmann
Robert Ernest Strange
William Cameron Mckay
Original Assignee
Jancy Eng
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 Jancy Eng filed Critical Jancy Eng
Publication of ZA847237B publication Critical patent/ZA847237B/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D51/00—Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends
    • B23D51/04—Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of devices for feeding, positioning, clamping, or rotating work
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/14—Configuration of the cutting part, i.e. the main cutting edges
    • 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
    • B23B2251/408—Spiral grooves
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S408/00—Cutting by use of rotating axially moving tool
    • Y10S408/703—Trepanning
    • 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
    • Y10T408/895—Having axial, core-receiving central portion
    • 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
    • Y10T408/895—Having axial, core-receiving central portion
    • Y10T408/8957—Having axial, core-receiving central portion and having stepped cutting edges
    • 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
    • Y10T408/905—Having stepped cutting edges

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
ZA847237A 1983-09-26 1984-09-13 Center free drill ZA847237B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/535,414 US4596499A (en) 1983-09-26 1983-09-26 Center-free drill

Publications (1)

Publication Number Publication Date
ZA847237B true ZA847237B (en) 1985-04-24

Family

ID=24134093

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA847237A ZA847237B (en) 1983-09-26 1984-09-13 Center free drill

Country Status (11)

Country Link
US (1) US4596499A (ko)
JP (1) JPS6090611A (ko)
KR (1) KR870000760B1 (ko)
AU (1) AU547308B2 (ko)
CA (1) CA1230994A (ko)
DE (1) DE3413108A1 (ko)
FR (1) FR2552354B1 (ko)
GB (1) GB2146923B (ko)
IT (1) IT1178435B (ko)
NL (1) NL185613B (ko)
ZA (1) ZA847237B (ko)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8527778D0 (en) * 1985-11-11 1985-12-18 Hubbard D Hole cutter
JPS63208047A (ja) * 1987-02-25 1988-08-29 Fuji Photo Film Co Ltd 廃棄シ−ト収容方法
EP0313237A1 (en) * 1987-10-14 1989-04-26 Walker Magnetics Group, Inc. Annular hole cutter
US4871287A (en) * 1988-03-18 1989-10-03 Hougen Everett D Annular cutter having radial clearance
KR960008693B1 (en) * 1993-06-30 1996-06-29 Nitto Kohki Co Annular cutter connecting apparatus and annular cutter
GB2285237B (en) * 1993-06-30 1996-06-05 Nitto Kohki Co Annular cutter
US5791837A (en) * 1996-08-16 1998-08-11 Johnson; Samuel Annular tool for cutting holes in metal
FR2796578B1 (fr) * 1999-07-19 2001-11-23 Alstom Outil pour demonter des rivets et procede de demontage de rivets correspondant
US20050105981A1 (en) * 2003-09-26 2005-05-19 The M. K. Morse Company Hole cutter and method for producing
JP4682004B2 (ja) * 2005-09-28 2011-05-11 大見工業株式会社 ホールカッター
CN101698248A (zh) * 2009-10-22 2010-04-28 苏州市永创金属科技有限公司 硬质合金窄环槽高落差立铣刀
CN102653012A (zh) * 2012-04-28 2012-09-05 成都鑫三洋科技发展有限公司 一种套料刀具
CZ2013123A3 (cs) * 2013-02-19 2014-07-09 Václav Diviš Stopková rohová fréza s břity ve šroubovici

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US28416A (en) * 1860-05-22 Improvement in plows
DE1736851U (de) * 1956-10-23 1956-12-27 Baumgarten & Co K G Lochfraeser.
FR1568265A (ko) * 1968-03-22 1969-05-23
DE1962348A1 (de) * 1968-12-12 1970-06-18 Martin Manuf Jean Baptiste Verfahren und Vorrichtung zur Herstellung von Blindlegungen fuer die Polfaeden beim Wirken von Pluesch oder Velour auf einer Raschelmaschine
US3609056A (en) * 1969-06-05 1971-09-28 Everett D Hougen Hole cutter
IT1147950B (it) * 1981-05-13 1986-11-26 Jancy Eng Perfezionamento negli utensili a fresa per il taglio di foro anulari
JPS57197411U (ko) * 1981-06-13 1982-12-15
US4422812A (en) * 1981-11-25 1983-12-27 Linville Kevin D Rotatable shell cutter

Also Published As

Publication number Publication date
DE3413108C2 (ko) 1991-04-11
GB2146923A (en) 1985-05-01
NL8402910A (nl) 1985-04-16
KR870000760B1 (ko) 1987-04-15
AU547308B2 (en) 1985-10-17
JPS6090611A (ja) 1985-05-21
FR2552354A1 (fr) 1985-03-29
CA1230994A (en) 1988-01-05
AU3256084A (en) 1985-04-04
JPS6344487B2 (ko) 1988-09-05
FR2552354B1 (fr) 1988-06-24
IT1178435B (it) 1987-09-09
GB8407855D0 (en) 1984-05-02
IT8448895A0 (it) 1984-09-25
US4596499A (en) 1986-06-24
DE3413108A1 (de) 1985-04-11
GB2146923B (en) 1987-04-08
NL185613B (nl) 1990-01-02
KR850002793A (ko) 1985-05-20

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