WO2011106080A3 - Fastener back-out erosion devices and systems - Google Patents

Fastener back-out erosion devices and systems Download PDF

Info

Publication number
WO2011106080A3
WO2011106080A3 PCT/US2011/000301 US2011000301W WO2011106080A3 WO 2011106080 A3 WO2011106080 A3 WO 2011106080A3 US 2011000301 W US2011000301 W US 2011000301W WO 2011106080 A3 WO2011106080 A3 WO 2011106080A3
Authority
WO
WIPO (PCT)
Prior art keywords
systems
fastener
out erosion
fastener back
erosion devices
Prior art date
Application number
PCT/US2011/000301
Other languages
French (fr)
Other versions
WO2011106080A2 (en
Inventor
James Legge
Kenneth Gold
Mervyn Rudgley
Michael Gibbons
Richard Gerlach
Original Assignee
Perfect Point Edm Corp.
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 Perfect Point Edm Corp. filed Critical Perfect Point Edm Corp.
Priority to AU2011219065A priority Critical patent/AU2011219065A1/en
Priority to EP11747806A priority patent/EP2539110A2/en
Priority to CN2011800212423A priority patent/CN102858497A/en
Priority to CA2794937A priority patent/CA2794937A1/en
Publication of WO2011106080A2 publication Critical patent/WO2011106080A2/en
Publication of WO2011106080A3 publication Critical patent/WO2011106080A3/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
    • B25B27/18—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same withdrawing broken threaded parts or twist drills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/38—Accessories for use in connection with riveting, e.g. pliers for upsetting; Hand tools for riveting
    • B21J15/50—Removing or cutting devices for rivets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
    • B23H1/10—Supply or regeneration of working media
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H11/00—Auxiliary apparatus or details, not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
    • B23H9/001—Disintegrating

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Earth Drilling (AREA)

Abstract

A key hole or guide eroded into a fastener such that said key corresponds to a removal tool. Said key hole is a guide, recess or channel which may be eroded through non-homogeneous conductive materials such as a fastener with a broken drill bit lodged therein.
PCT/US2011/000301 2010-02-26 2011-02-18 Fastener back-out erosion devices and systems WO2011106080A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU2011219065A AU2011219065A1 (en) 2010-02-26 2011-02-18 Fastener back-out erosion devices and systems
EP11747806A EP2539110A2 (en) 2010-02-26 2011-02-18 Fastener back-out erosion devices and systems
CN2011800212423A CN102858497A (en) 2010-02-26 2011-02-18 Fastener back-out erosion devices and systems
CA2794937A CA2794937A1 (en) 2010-02-26 2011-02-18 Fastener back-out erosion devices and systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US30879910P 2010-02-26 2010-02-26
US61/308,799 2010-02-26

Publications (2)

Publication Number Publication Date
WO2011106080A2 WO2011106080A2 (en) 2011-09-01
WO2011106080A3 true WO2011106080A3 (en) 2012-01-12

Family

ID=44507504

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2011/000301 WO2011106080A2 (en) 2010-02-26 2011-02-18 Fastener back-out erosion devices and systems

Country Status (5)

Country Link
EP (1) EP2539110A2 (en)
CN (1) CN102858497A (en)
AU (1) AU2011219065A1 (en)
CA (1) CA2794937A1 (en)
WO (1) WO2011106080A2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130069597A (en) * 2010-03-26 2013-06-26 퍼펙트 포인트 이디엠 코포레이션 Device and method for severing fastener heads
NL2009563C2 (en) * 2012-10-03 2014-04-07 Edwin Helena Nicolaas Esser METHOD AND DEVICE FOR REMOVING AN ELEMENT FROM A SUBSTRATE.
CN105345186A (en) * 2015-12-02 2016-02-24 莱芜钢铁集团有限公司 Device and method for removing broken screw tap
CN108434643B (en) * 2018-01-25 2020-09-01 南安市祥发消防设备有限公司 Intelligent fire hydrant
GB2578306A (en) 2018-10-22 2020-05-06 Rolls Royce Plc An electro-discharge machining tool and a method of using the same
CN112570631A (en) * 2020-10-27 2021-03-30 成都飞机工业（集团）有限责任公司 Auxiliary tool for disassembling raised head rivet and method for disassembling raised head rivet

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6225589B1 (en) * 1999-03-15 2001-05-01 Stephen Bartok Electric discharge machining apparatus
JP2004230517A (en) * 2003-01-31 2004-08-19 Mikuni Makino Kogyo Kk Electrical spark drill and forming method of hole by electrical spark
JP2004358595A (en) * 2003-06-03 2004-12-24 Daiwarashi Co Ltd Remaining bolt piece removing method, drill guide, and wrench

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3354073A (en) * 1963-11-22 1967-11-21 Gen Motors Corp Electrical stock removal apparatus
US4441004A (en) * 1980-06-12 1984-04-03 Inoue-Japax Research Incorporated Multiple pipe element electrode assembly EDM method and apparatus
JP3196537B2 (en) * 1994-11-29 2001-08-06 株式会社デンソー Automatic adjustment device for spark gap and eccentricity of multi-polar spark plug
DE10356394B4 (en) * 2003-12-03 2005-11-24 Eads Deutschland Gmbh Erosion plant for shaping a metallic structural component or a metallic insert element in a structural component and erosion process

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6225589B1 (en) * 1999-03-15 2001-05-01 Stephen Bartok Electric discharge machining apparatus
JP2004230517A (en) * 2003-01-31 2004-08-19 Mikuni Makino Kogyo Kk Electrical spark drill and forming method of hole by electrical spark
JP2004358595A (en) * 2003-06-03 2004-12-24 Daiwarashi Co Ltd Remaining bolt piece removing method, drill guide, and wrench

Also Published As

Publication number Publication date
WO2011106080A2 (en) 2011-09-01
AU2011219065A1 (en) 2012-10-25
CA2794937A1 (en) 2011-09-01
CN102858497A (en) 2013-01-02
EP2539110A2 (en) 2013-01-02

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