FR568647A - Forets hélicoïdaux - Google Patents

Forets hélicoïdaux

Info

Publication number
FR568647A
FR568647A FR568647DA FR568647A FR 568647 A FR568647 A FR 568647A FR 568647D A FR568647D A FR 568647DA FR 568647 A FR568647 A FR 568647A
Authority
FR
France
Prior art keywords
twist drills
drills
twist
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
Application number
Other languages
English (en)
Inventor
Edd Charles Oliver
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 filed Critical
Application granted granted Critical
Publication of FR568647A publication Critical patent/FR568647A/fr
Expired 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
    • 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
    • Y10T408/9097—Spiral channel

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
FR568647D 1921-07-11 1923-07-13 Forets hélicoïdaux Expired FR568647A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US483870A US1467491A (en) 1921-07-11 1921-07-11 Twist drill

Publications (1)

Publication Number Publication Date
FR568647A true FR568647A (fr) 1924-03-29

Family

ID=10106185

Family Applications (1)

Application Number Title Priority Date Filing Date
FR568647D Expired FR568647A (fr) 1921-07-11 1923-07-13 Forets hélicoïdaux

Country Status (3)

Country Link
US (1) US1467491A (fr)
FR (1) FR568647A (fr)
GB (1) GB225900A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4759667A (en) * 1985-11-08 1988-07-26 American Telephone And Telegraph Company, At&T Technologies, Inc. Twist drill for drilling printed circuit board laminates and having an drill point geometry

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2442554A (en) * 1945-01-01 1948-06-01 Edward W Swiatek Countersink and center reamer
US2598055A (en) * 1946-02-23 1952-05-27 Hogfors Hans Fredrik Birger Drill grinding machine
US2482535A (en) * 1946-05-04 1949-09-20 Gen Motors Corp Countersinking tool
US2903922A (en) * 1957-06-24 1959-09-15 Cincinnati Milling Machine Co Self-centering drill
US3079831A (en) * 1959-05-07 1963-03-05 Illinois Tool Works Screw having workpiece drilling and thread cutting point
FR2507115A1 (fr) * 1981-06-04 1982-12-10 Atelier Rectification Affutage Outil de percage comprenant au moins trois goujures
JPS6244304A (ja) * 1985-08-20 1987-02-26 Masao Kubota ドリルのシンニング
US5011342A (en) * 1988-03-14 1991-04-30 501 Greenfield Industries, Inc. Twist drill
FR2698809B1 (fr) * 1992-12-09 1995-02-24 Recoules Fils Ets Foret hélicoïdal de précision.
US6036410A (en) * 1994-12-27 2000-03-14 Shun'ko; Evgeny V. Tip portion of the drill bit
US6056486A (en) * 1998-07-15 2000-05-02 Colvin; Kevin F. Cutting tool point
US6267542B1 (en) * 1999-01-15 2001-07-31 Avraham Salmon Drill bit having a chiseless bit tip
US6685402B2 (en) * 2001-03-27 2004-02-03 Allied Machine & Engineering Corp. Drill insert geometry having V-notched web
US7114893B2 (en) * 2001-03-27 2006-10-03 Allied Machine & Engineering Corp. Drill insert geometry having V-notched web
US20070036622A1 (en) * 2005-08-12 2007-02-15 Yg-1 Co., Ltd. Spade drill insert
US8061938B2 (en) * 2008-03-10 2011-11-22 Kennametal Inc. Cutting tool with chisel edge
PL2519378T3 (pl) * 2009-12-31 2014-04-30 Diamond Innovations Inc Półfabrykat do wytwarzania narzędzia skrawającego oraz sposób zastosowania półfabrykatu do wytwarzania narzędzia skrawającego
DE102010006797B4 (de) 2010-02-04 2011-12-22 Kennametal Inc. Bohrwerkzeug
DE102010006796B4 (de) 2010-02-04 2011-12-08 Kennametal Inc. Verfahren zur Herstellung eines Bohrers, sowie Bohrer
EP2390028B1 (fr) * 2010-05-31 2012-12-19 SECO TOOLS AB (publ) Foret hélicoïdal
CN108472745B (zh) * 2015-12-28 2021-04-27 戴蒙得创新股份有限公司 具有断屑器的钻头和在钻头中激光切割断屑器的方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4759667A (en) * 1985-11-08 1988-07-26 American Telephone And Telegraph Company, At&T Technologies, Inc. Twist drill for drilling printed circuit board laminates and having an drill point geometry

Also Published As

Publication number Publication date
GB225900A (en) 1924-12-12
US1467491A (en) 1923-09-11

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