DK200601099A - Spadebor - Google Patents

Spadebor Download PDF

Info

Publication number
DK200601099A
DK200601099A DK200601099A DKPA200601099A DK200601099A DK 200601099 A DK200601099 A DK 200601099A DK 200601099 A DK200601099 A DK 200601099A DK PA200601099 A DKPA200601099 A DK PA200601099A DK 200601099 A DK200601099 A DK 200601099A
Authority
DK
Denmark
Prior art keywords
blade
drill according
chip groove
cutting edge
arcuate surface
Prior art date
Application number
DK200601099A
Other languages
English (en)
Inventor
Laverne R Durfee
Original Assignee
Irwin Ind Tool Co
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 Irwin Ind Tool Co filed Critical Irwin Ind Tool Co
Publication of DK200601099A publication Critical patent/DK200601099A/da

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/0002—Drills with connected cutting heads, e.g. with non-exchangeable cutting heads; Drills with a single insert extending across the rotational axis and having at least two radially extending cutting edges in the working position
    • B23B51/0003—Drills with connected cutting heads, e.g. with non-exchangeable cutting heads; Drills with a single insert extending across the rotational axis and having at least two radially extending cutting edges in the working position with exchangeable heads or inserts
    • B23B51/00035—Spade drills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G15/00—Boring or turning tools; Augers
    • 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
    • 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
    • Y10T408/899—Having inversely angled cutting edge
    • 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
    • Y10T408/901—Having axially extending peripheral cutting spur
    • 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
    • Y10T408/906—Axially spaced
    • Y10T408/9065—Axially spaced with central lead
    • 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
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Drilling Tools (AREA)

Claims (19)

1. Bor omfattende: et skaft, et til skaftet fastgjort blad, en på bladet tildannet skærekant og en glat spånrille, som er tildannet i bladet i umiddelbar nærhed af skærekanten.
2. Bor ifølge krav 1, kendetegnet ved, at den glatte spånrille er bueformet.
3. Bor ifølge krav 1, kendetegnet ved, at spånrillen danner en del af skærekanten.
4. Bor ifølge krav 1, kendetegnet ved, at spånrillen er tildannet af en første bueformet overflade og en anden bueformet overflade.
5. Bor ifølge krav 4, kendetegnet ved, at den første bueformede overflade og den anden bueformede overflade har forskellige krumningsradier.
6. Bor ifølge krav 4, kendetegnet ved, at den første bueformede overflade er tangentielt forløbende i forhold til den anden bueformede overflade.
7. Bor ifølge krav 4, kendetegnet ved, at den første bueformede overflade har en første krumningsradius, og den anden bueformede overflade har en anden krumningsradius, hvor den anden krumningsradius er omtrent dobbelt så stor som den første krumningsradius.
8. Bor ifølge krav 1, kendetegnet ved, at spånrillen er belagt med en ikke-klæbende belægning.
9. Bor ifølge krav 1, og som yderligere omfatter en anden skærekant, som er tildannet på skaftet, og en anden glat spånrille, som er tildannet i bladet i umiddelbar nærhed af den anden skærekant.
10. Bor ifølge krav 1, og som yderligere omfatter en spids, der er tildannet som en spids, der er placeret på bladets langsgående akse.
11. Bor ifølge krav 10, kendetegnet ved, at spidsen har en pyramideformet ende.
12. Bor ifølge krav 1, kendetegnet ved, at bladet omfatter en første ydre kant og en anden ydre kant, og at der er placeret sporer ved den første og den anden ydre kant.
13. Bor ifølge krav 1, kendetegnet ved, at bladet omfatter en første ydre kant, idet spånrillen strækker sig ud til den første ydre kant.
14. Bor ifølge krav 4, kendetegnet ved, at den første bueformede overflade har en krumningsradius på imellem 7,417 og 17,577 mm.
15. Bor ifølge krav 4, kendetegnet ved, at den anden bueformede overflade har en krumningsradius på imellem 19,914 mm og 30,074 mm.
16. Bor ifølge krav 4, kendetegnet ved, at den første bueformede overflades og den anden bueformede overflades krumningscentre begge er placeret på en linje, der strækker sig i alt væsentligt vinkelret på bladet.
17. Bor omfattende: et skaft, et til skaftet fastgjort blad, en på bladet tildannet skærekant, en glat spånrille, som er tildannet i bladet i umiddelbar nærhed af skærekanten, og en ikke-klæbende overflade på bladet.
18. Bor ifølge krav 17, kendetegnet ved, at den ikke-klæbende overflade befinder sig på spånrillen.
19. Bor omfattende: et skaft, et på skaftet fastgjort blad, en på bladet tildannet skærekant og en glat spånrille, som er tildannet i bladet i umiddelbar nærhed af den skærende kant, idet spånrillen strækker sig ud til bladets kant.
DK200601099A 2005-10-20 2006-08-24 Spadebor DK200601099A (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16348905 2005-10-20
US11/163,489 US7473056B2 (en) 2005-10-20 2005-10-20 Spade bit

Publications (1)

Publication Number Publication Date
DK200601099A true DK200601099A (da) 2007-04-21

Family

ID=37944529

Family Applications (1)

Application Number Title Priority Date Filing Date
DK200601099A DK200601099A (da) 2005-10-20 2006-08-24 Spadebor

Country Status (5)

Country Link
US (4) US7473056B2 (da)
AU (1) AU2006202682B2 (da)
DK (1) DK200601099A (da)
FR (1) FR2892335A1 (da)
GB (1) GB2458598B (da)

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US7887269B2 (en) * 2007-10-10 2011-02-15 Robert Bosch Gmbh Spade bit with improved cutting geometry
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USD608801S1 (en) * 2009-07-20 2010-01-26 Techtronic Power Tools Technology Limited Drill bit
US9101988B1 (en) * 2012-09-02 2015-08-11 Michael Patrick Shannon Pipe extractor that removes pipe from connectors or fittings
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Also Published As

Publication number Publication date
US8147174B2 (en) 2012-04-03
AU2006202682A1 (en) 2007-05-10
US20100104387A1 (en) 2010-04-29
US7473056B2 (en) 2009-01-06
US7905690B2 (en) 2011-03-15
US20070092348A1 (en) 2007-04-26
AU2006202682B2 (en) 2011-06-09
GB2458598A (en) 2009-09-30
GB2458598B (en) 2010-03-17
FR2892335A1 (fr) 2007-04-27
US7922429B2 (en) 2011-04-12
GB0911400D0 (en) 2009-08-12
US20110150588A1 (en) 2011-06-23
US20080279647A1 (en) 2008-11-13

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