CH497941A - Bohrer - Google Patents

Bohrer

Info

Publication number
CH497941A
CH497941A CH1498468A CH1498468A CH497941A CH 497941 A CH497941 A CH 497941A CH 1498468 A CH1498468 A CH 1498468A CH 1498468 A CH1498468 A CH 1498468A CH 497941 A CH497941 A CH 497941A
Authority
CH
Switzerland
Prior art keywords
drill
Prior art date
Application number
CH1498468A
Other languages
English (en)
Inventor
Edwin Bradley Harry
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 CH497941A publication Critical patent/CH497941A/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/009—Stepped 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
    • B23B2251/40—Flutes, i.e. chip conveying grooves
    • B23B2251/406—Flutes, i.e. chip conveying grooves of special form not otherwise provided for
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
CH1498468A 1967-10-10 1968-10-08 Bohrer CH497941A (de)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
CH497941A true CH497941A (de) 1970-10-31

Family

ID=26265771

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1498468A CH497941A (de) 1967-10-10 1968-10-08 Bohrer

Country Status (8)

Country Link
US (1) US3564945A (de)
BE (1) BE722126A (de)
CH (1) CH497941A (de)
DE (1) DE1801710A1 (de)
FR (1) FR1589242A (de)
GB (2) GB1205060A (de)
IL (1) IL30875A (de)
NL (1) NL141110B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2921190A1 (de) * 1979-05-25 1980-12-04 Rothenberger Gmbh Co Blechschaelbohrer, insbesondere zum herstellen von oeffnungen in karosserieteilen zur hohlraumkonservierung

Families Citing this family (44)

* 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 (de) * 1977-11-22 1979-06-11
JPS54121396U (de) * 1978-02-14 1979-08-24
US4225275A (en) * 1978-03-10 1980-09-30 Elliott William L Drill bit
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
AU2002239914A1 (en) * 2001-01-12 2002-07-24 Asar Group Self-polishing and tapping rivet assembly
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
USD526670S1 (en) * 2005-04-13 2006-08-15 Ibey Jerry A Step drill bit with stop
US7909547B2 (en) * 2005-10-08 2011-03-22 Milwaukee Electric Tool Corporation Replaceable tip for a bit or auger bit
USD547341S1 (en) * 2006-04-19 2007-07-24 Fiskars Brands, Inc. Shaping device
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
DE112014007381B4 (de) * 2013-06-06 2025-12-31 Milwaukee Electric Tool Corporation Stufenbohrer
EP3106252B1 (de) * 2014-02-10 2020-04-29 Kuritakoki Co., Ltd. Bohrer und bohrverfahren
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
US12220296B1 (en) 2018-12-06 2025-02-11 Gary Bram Osteotomy drill bit to produce an optimally shaped jawbone opening for a dental implant and abutment
USD1088228S1 (en) 2019-12-05 2025-08-12 Gary Bram Osteotomy drill
USD941375S1 (en) * 2020-04-29 2022-01-18 China Pacificarbide, Inc. Milling bit
USD940768S1 (en) * 2020-04-29 2022-01-11 China Pacificarbide, Inc. Milling bit
US12167951B1 (en) * 2022-01-20 2024-12-17 Gary Bram Osteotomy drill bit to produce an optimally shaped jawbone opening for a dental implant and abutment
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
US20250204930A1 (en) * 2023-08-30 2025-06-26 Biomet 3I, Llc Pointed countersink drill

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2921190A1 (de) * 1979-05-25 1980-12-04 Rothenberger Gmbh Co Blechschaelbohrer, insbesondere zum herstellen von oeffnungen in karosserieteilen zur hohlraumkonservierung

Also Published As

Publication number Publication date
IL30875A0 (en) 1968-12-26
GB1205060A (en) 1970-09-16
FR1589242A (de) 1970-03-23
DE1801710A1 (de) 1969-06-19
IL30875A (en) 1972-09-28
US3564945A (en) 1971-02-23
GB1202086A (en) 1970-08-12
NL141110B (nl) 1974-02-15
BE722126A (de) 1969-03-14
NL6814468A (de) 1969-04-14

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Legal Events

Date Code Title Description
PL Patent ceased