FR2860829B1 - IMPROVED STRUCTURE CONNECTOR USED WITH CARROT AND ASSEMBLY COMPRISING CARROT AND CONNECTOR - Google Patents

IMPROVED STRUCTURE CONNECTOR USED WITH CARROT AND ASSEMBLY COMPRISING CARROT AND CONNECTOR

Info

Publication number
FR2860829B1
FR2860829B1 FR0314648A FR0314648A FR2860829B1 FR 2860829 B1 FR2860829 B1 FR 2860829B1 FR 0314648 A FR0314648 A FR 0314648A FR 0314648 A FR0314648 A FR 0314648A FR 2860829 B1 FR2860829 B1 FR 2860829B1
Authority
FR
France
Prior art keywords
carrot
connector
assembly
improved structure
connector used
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 - Fee Related
Application number
FR0314648A
Other languages
French (fr)
Other versions
FR2860829A1 (en
Inventor
See Hyung Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ehwa Diamond Industrial Co Ltd
Original Assignee
Ehwa Diamond Industrial Co 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 Ehwa Diamond Industrial Co Ltd filed Critical Ehwa Diamond Industrial Co Ltd
Publication of FR2860829A1 publication Critical patent/FR2860829A1/en
Application granted granted Critical
Publication of FR2860829B1 publication Critical patent/FR2860829B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/046—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches
    • 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
    • B23B51/0473—Details about the connection between the driven shaft and the tubular cutting part; Arbors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02—Chucks
    • B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
    • B23B31/113—Retention by bayonet connection
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/02—Core bits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/50—Drilling tools comprising cutting inserts

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Drilling Tools (AREA)
FR0314648A 2003-10-08 2003-12-12 IMPROVED STRUCTURE CONNECTOR USED WITH CARROT AND ASSEMBLY COMPRISING CARROT AND CONNECTOR Expired - Fee Related FR2860829B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020030069985A KR100558308B1 (en) 2003-10-08 2003-10-08 Connector unit of improved structure for core drill and assembly including the same together with core drill

Publications (2)

Publication Number Publication Date
FR2860829A1 FR2860829A1 (en) 2005-04-15
FR2860829B1 true FR2860829B1 (en) 2006-02-17

Family

ID=34374256

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0314648A Expired - Fee Related FR2860829B1 (en) 2003-10-08 2003-12-12 IMPROVED STRUCTURE CONNECTOR USED WITH CARROT AND ASSEMBLY COMPRISING CARROT AND CONNECTOR

Country Status (3)

Country Link
KR (1) KR100558308B1 (en)
DE (1) DE10357505B4 (en)
FR (1) FR2860829B1 (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9884373B2 (en) * 2006-11-14 2018-02-06 Kym John Keightley Hole saw with interchangeable cutting blades
DE102011089546A1 (en) 2011-12-22 2013-06-27 Hilti Aktiengesellschaft Drill bit with a replaceable bit section
JP2014030867A (en) * 2012-08-02 2014-02-20 Hitachi Koki Co Ltd Core bit and core bit set for power tool
EP2745964A1 (en) * 2012-12-21 2014-06-25 HILTI Aktiengesellschaft Cutting section
EP2745965A1 (en) 2012-12-21 2014-06-25 HILTI Aktiengesellschaft Annular drill bit with a replaceable cutting section
EP2745966A1 (en) * 2012-12-21 2014-06-25 HILTI Aktiengesellschaft Annular drill bit with a replaceable cutting section
DE202013004309U1 (en) * 2013-05-08 2014-05-08 Kwb Tools Gmbh Tool for machining a workpiece
US20160059322A1 (en) * 2014-08-29 2016-03-03 Seth Breslaw Second stage drill bit
US10220543B2 (en) 2014-11-19 2019-03-05 Kjell Andersson Core drill with detachable end portion
US20170252834A1 (en) * 2015-06-09 2017-09-07 Thomas J. Spera Hole-saw
CA3002773C (en) * 2017-04-25 2021-02-09 Evolution Engineering Inc. Preloadable connectors for tubing
SE541203C2 (en) * 2017-08-09 2019-04-30 Jan Anders Forsell Hole saw
TWI657904B (en) * 2018-05-28 2019-05-01 久允工業股份有限公司 Quick-release mechanism for saw blade of sawing tool and sawing tool using same
CN109267941B (en) * 2018-09-18 2020-04-14 贵州大学 Mining drill bit with shock-absorbing function
CN110103119A (en) * 2018-09-20 2019-08-09 杭州众硅电子科技有限公司 A kind of polishing handling parts module
EP3983158A4 (en) 2019-06-17 2024-02-21 Milwaukee Electric Tool Corp Hole-saw with brazed or welded endcap
KR102609691B1 (en) 2019-07-18 2023-12-05 박도준 Hole cutter
KR102230524B1 (en) * 2019-11-11 2021-03-22 동신다이아몬드공업 주식회사 Core drill with diamond segment
KR20220139030A (en) * 2021-04-07 2022-10-14 박인순 Multi Hole Core Drill
DE102021123551A1 (en) 2021-09-10 2023-03-16 Stuckenbrock Medizintechnik Gmbh Tool quick-change set for medical, hand-held machine tools

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3533929A1 (en) * 1985-05-07 1986-11-13 Geißler & Kuper GmbH Diamantwerkzeug - Wiederaufbereitung, 3100 Celle Diamond bit with shank tube and threaded tube connection
GB2324486B (en) * 1997-04-24 2001-06-20 Marcrist Ind Ltd Masonry core-cutting tool
EP0909870A1 (en) * 1997-10-15 1999-04-21 DIAMANT BOART Société Anonyme Coupling for a force transmitting device
US6102135A (en) * 1997-12-11 2000-08-15 Shaw; Neil B. Portable core sampler
US6170232B1 (en) * 1997-12-30 2001-01-09 Vandegeijn Peter T. Quick-change collet chuck
DE10100027B4 (en) * 2001-01-03 2005-07-14 Schweiger, Bernd Change holder for hollow drill

Also Published As

Publication number Publication date
DE10357505A1 (en) 2005-05-19
KR20050034151A (en) 2005-04-14
KR100558308B1 (en) 2006-03-10
DE10357505B4 (en) 2005-09-01
FR2860829A1 (en) 2005-04-15

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