IL30875A - An improved multi-step drill - Google Patents

An improved multi-step drill

Info

Publication number
IL30875A
IL30875A IL30875A IL3087568A IL30875A IL 30875 A IL30875 A IL 30875A IL 30875 A IL30875 A IL 30875A IL 3087568 A IL3087568 A IL 3087568A IL 30875 A IL30875 A IL 30875A
Authority
IL
Israel
Prior art keywords
improved multi
step drill
drill
improved
Prior art date
Application number
IL30875A
Other languages
English (en)
Other versions
IL30875A0 (en
Original Assignee
Barworth Flockton Ltd
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 Barworth Flockton Ltd filed Critical Barworth Flockton Ltd
Publication of IL30875A0 publication Critical patent/IL30875A0/xx
Publication of IL30875A publication Critical patent/IL30875A/xx

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B51/00Tools for drilling machines
    • B23B51/009Stepped drills
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B2251/00Details of tools for drilling machines
    • B23B2251/40Flutes, i.e. chip conveying grooves
    • B23B2251/406Flutes, i.e. chip conveying grooves of special form not otherwise provided for
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00Cutting by use of rotating axially moving tool
    • Y10T408/89Tool or Tool with support
    • Y10T408/905Having stepped cutting edges
    • Y10T408/906Axially spaced
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00Cutting by use of rotating axially moving tool
    • Y10T408/89Tool or Tool with support
    • Y10T408/909Having peripherally spaced cutting edges

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
IL30875A 1967-10-10 1968-10-13 An improved multi-step drill IL30875A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB46235/67A GB1205060A (en) 1967-10-10 1967-10-10 Improved drill
GB46236/67A GB1202086A (en) 1967-10-10 1967-10-10 Improved drill

Publications (2)

Publication Number Publication Date
IL30875A0 IL30875A0 (en) 1968-12-26
IL30875A true IL30875A (en) 1972-09-28

Family

ID=26265771

Family Applications (1)

Application Number Title Priority Date Filing Date
IL30875A IL30875A (en) 1967-10-10 1968-10-13 An improved multi-step drill

Country Status (8)

Country Link
US (1) US3564945A (xx)
BE (1) BE722126A (xx)
CH (1) CH497941A (xx)
DE (1) DE1801710A1 (xx)
FR (1) FR1589242A (xx)
GB (2) GB1202086A (xx)
IL (1) IL30875A (xx)
NL (1) NL141110B (xx)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3758222A (en) * 1971-12-30 1973-09-11 H Oakes Drill bit
US4127355A (en) * 1977-09-06 1978-11-28 Oakes Harry C Wood bit
JPS5481991U (xx) * 1977-11-22 1979-06-11
JPS54121396U (xx) * 1978-02-14 1979-08-24
US4225275A (en) * 1978-03-10 1980-09-30 Elliott William L Drill bit
DE2921190C2 (de) * 1979-05-25 1985-05-09 Rothenberger GmbH & Co Werkzeuge-Maschinen KG, 6000 Frankfurt Blechschälbohrer, insbesondere zum Herstellen von Öffnungen in Karosserieteilen zur Hohlraumkonservierung
US4440531A (en) * 1982-03-23 1984-04-03 Tri Tool Inc. Reaming and counterboring cutting tool
US4582458A (en) * 1984-08-09 1986-04-15 American Saw & Mfg. Company Stepped drill construction
US5810517A (en) * 1993-06-28 1998-09-22 Monroe Cutting Tool Inc. Rotary milling cutters
DE9414659U1 (de) * 1994-09-09 1994-11-17 Dürr Präzisionswerkzeuge GmbH, 74613 Öhringen Mehrstufenbohrer
JP2922847B2 (ja) * 1996-06-05 1999-07-26 株式会社ミヤナガ 多段ビット用ストッパー
US6716451B1 (en) * 1999-11-30 2004-04-06 Soft Gel Technologies, Inc. Formulation and delivery method to enhance antioxidant potency of vitamin E
DE60221252T2 (de) * 2001-01-12 2008-04-17 Abeo, Llc Selbstpolierende und selbstschneidende nietanordnung
DE20212852U1 (de) * 2002-08-16 2002-12-12 RUKO GmbH Präzisionswerkzeuge, 71088 Holzgerlingen Mehrstufen-Bohrwerkzeug
DE202004000723U1 (de) * 2003-03-13 2004-04-08 Thommen Medical Ag Pilotbohrer, Stufenbohrer und Bohrerset für die Dentalimplantologie
US7909547B2 (en) * 2005-10-08 2011-03-22 Milwaukee Electric Tool Corporation Replaceable tip for a bit or auger bit
US20070264094A1 (en) * 2006-05-09 2007-11-15 Seeley Scott C Unibit with replacement blade
GB0617134D0 (en) * 2006-08-31 2006-10-11 Smith & Nephew Medical devices
US8029215B2 (en) 2007-01-05 2011-10-04 Greenlee Textron Inc. Spiral drill bit and method of forming same
US8388280B1 (en) * 2007-10-04 2013-03-05 Orlo Ison Step drill bit
US8105085B1 (en) * 2008-03-04 2012-01-31 D&S Dental, Llc Endodontic instrument and method
US8622666B2 (en) * 2009-08-11 2014-01-07 Combined Producers Co. #1 Inc. Adjustable step drill bit
US9137955B1 (en) 2009-10-22 2015-09-22 Charlie VanDusartz Grinding device
US9475180B2 (en) 2010-01-07 2016-10-25 Black & Decker Inc. Power tool having rotary input control
US9266178B2 (en) 2010-01-07 2016-02-23 Black & Decker Inc. Power tool having rotary input control
US20120195704A1 (en) * 2011-01-31 2012-08-02 White Christopher L Drill bit
WO2014197761A1 (en) 2013-06-06 2014-12-11 Milwaukee Electric Tool Corporation Step drill bit
EP3106252B1 (en) * 2014-02-10 2020-04-29 Kuritakoki Co., Ltd. Drill and drilling method
US10058929B2 (en) * 2015-11-10 2018-08-28 Irwin Industrial Tool Company Step drill bit with variable helical flute
USD827548S1 (en) * 2017-02-08 2018-09-04 Charles J Ceccarelli Marine drift anchor
US11273501B2 (en) 2018-04-26 2022-03-15 Milwaukee Electric Tool Corporation Step drill bit
USD872783S1 (en) * 2018-04-27 2020-01-14 Milwaukee Electric Tool Corporation Step drill bit
DE102018115624A1 (de) * 2018-06-28 2020-01-02 RUKO GmbH Präzisionswerkzeuge Stufenbohrer
US11471172B1 (en) 2018-12-06 2022-10-18 Gary Bram Osteotomy drill bit to produce an optimally shaped jawbone opening for a dental implant and abutment
USD940768S1 (en) * 2020-04-29 2022-01-11 China Pacificarbide, Inc. Milling bit
USD941375S1 (en) * 2020-04-29 2022-01-18 China Pacificarbide, Inc. Milling bit
DE102022110659A1 (de) * 2022-05-02 2023-11-02 Yuzheng Chen Stufenbohrer
CN116713510B (zh) * 2023-08-03 2024-03-12 福建省锦强机械制造有限公司 一种螺栓生产用螺杆头部开孔装置及其开孔方法
USD1005345S1 (en) * 2023-08-14 2023-11-21 Yaohua Zhang Lawn mower grinding device

Also Published As

Publication number Publication date
BE722126A (xx) 1969-03-14
NL6814468A (xx) 1969-04-14
FR1589242A (xx) 1970-03-23
GB1202086A (en) 1970-08-12
US3564945A (en) 1971-02-23
NL141110B (nl) 1974-02-15
GB1205060A (en) 1970-09-16
CH497941A (de) 1970-10-31
DE1801710A1 (de) 1969-06-19
IL30875A0 (en) 1968-12-26

Similar Documents

Publication Publication Date Title
IL30875A (en) An improved multi-step drill
IE32105L (en) 1-carbamoyl-n-(substituted-carbamoyloxy)-thioformimidates;¹pesticides
IL30711A (en) 2-methyl-3-carbamoyl-quinoxaline-1,4-di-oxides
IL31026A (en) Anilinomethylenemalononitriles
GB1165990A (en) Track-Set
CY636A (en) Substituted benzodioxoles
YU108668A (en) Igracka u vidu pruge, prvenstveno u vidu autoputa
IL30714A0 (en) 3-carbamyl-quinocaline-1,4-di-n-oxides
IE31292L (en) Thioxanthenesulphonamides.
IE31105L (en) Playball.
IE31622L (en) Nut-threading tap.
IE30940L (en) Substituted 2-aminobenzimidazoles
IE30941L (en) Substituted 2-aminobenzimidazoles
IE31829L (en) 1alfa, 2alfa-methylene-6beta,7beta-epoxysteroids
IE31177L (en) 6-HALO-9ß, 10Ó-STEROIDS
IE31369L (en) 9ß,10Ó-STEROIDS
IE31178L (en) 9ß, 10Ó-STEROID
IE29191L (en) Substituted dihydro-benzothiopyrans.
IE30777L (en) Pyridazones.
GB1189755A (en) Twin-Hearth Furnaces.
IE31279L (en) Pryidoindole derivatives.
IE31564L (en) Benzdiazepine derivatives.
IE31311L (en) Triazolo-tetrazolo-pyridazine derivatives.
IE31293L (en) 2-sulphamylthioxanthene-9-one derivatives.
IE31679L (en) Substituted pteridines.