FR2450145A1 - Electro-welding technique for bicycle frame junctions - uses magnetic field coil about frame junction with field set up by capacitor discharge - Google Patents

Electro-welding technique for bicycle frame junctions - uses magnetic field coil about frame junction with field set up by capacitor discharge

Info

Publication number
FR2450145A1
FR2450145A1 FR7906040A FR7906040A FR2450145A1 FR 2450145 A1 FR2450145 A1 FR 2450145A1 FR 7906040 A FR7906040 A FR 7906040A FR 7906040 A FR7906040 A FR 7906040A FR 2450145 A1 FR2450145 A1 FR 2450145A1
Authority
FR
France
Prior art keywords
junction
coil
frame
junctions
electro
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.)
Granted
Application number
FR7906040A
Other languages
French (fr)
Other versions
FR2450145B1 (en
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.)
Angenieux CLB SA
Original Assignee
Angenieux CLB SA
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 Angenieux CLB SA filed Critical Angenieux CLB SA
Priority to FR7906040A priority Critical patent/FR2450145A1/en
Publication of FR2450145A1 publication Critical patent/FR2450145A1/en
Application granted granted Critical
Publication of FR2450145B1 publication Critical patent/FR2450145B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K19/00—Cycle frames
    • B62K19/18—Joints between frame members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
    • B21D26/14—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces applying magnetic forces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/86—Making other particular articles other parts for bicycles or motorcycles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/06—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of high energy impulses, e.g. magnetic energy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B17/00—Connecting constructional elements or machine parts by a part of or on one member entering a hole in the other and involving plastic deformation
    • F16B17/004—Connecting constructional elements or machine parts by a part of or on one member entering a hole in the other and involving plastic deformation of rods or tubes mutually

Abstract

The technique is applicable to all the junctions in the bicycle frames and is based on the use of a coil (D) either around the junction of the frame elements or within the junction. The energy within the coil field is derived from the discharge through the coil of a bank of capacitors (C) via a series switch (B). The capacitor bank is itself charged from a high voltage source (A). The mating ends of the frame tubes can have conical, cylindrical or polygonal shapes all having in common a tapered outer tube section (11) which is forced by magnetic force onto the cylindrical section (21) of its mating part. The joint can include a double overlap or grooves to ensure keying.
FR7906040A 1979-03-02 1979-03-02 Electro-welding technique for bicycle frame junctions - uses magnetic field coil about frame junction with field set up by capacitor discharge Granted FR2450145A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7906040A FR2450145A1 (en) 1979-03-02 1979-03-02 Electro-welding technique for bicycle frame junctions - uses magnetic field coil about frame junction with field set up by capacitor discharge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7906040A FR2450145A1 (en) 1979-03-02 1979-03-02 Electro-welding technique for bicycle frame junctions - uses magnetic field coil about frame junction with field set up by capacitor discharge

Publications (2)

Publication Number Publication Date
FR2450145A1 true FR2450145A1 (en) 1980-09-26
FR2450145B1 FR2450145B1 (en) 1982-10-15

Family

ID=9222927

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7906040A Granted FR2450145A1 (en) 1979-03-02 1979-03-02 Electro-welding technique for bicycle frame junctions - uses magnetic field coil about frame junction with field set up by capacitor discharge

Country Status (1)

Country Link
FR (1) FR2450145A1 (en)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2546680A1 (en) * 1983-05-27 1984-11-30 Auxiliaire Appar Electric Process for manufacturing a through-cable anchoring sleeve for a bare electrical conductor, and sleeve thus obtained
FR2556056A1 (en) * 1983-12-01 1985-06-07 Carat Jean Means for assembling tubes, especially for producing bicycle frames
FR2560344A1 (en) * 1984-02-28 1985-08-30 Electricite De France PROCESS FOR PRODUCING REMOVABLE FITTINGS AND SEALING HIGH-PRESSURE PIPES, AND FITTINGS THEREOF
EP0396848A2 (en) * 1989-05-09 1990-11-14 Austria Metall Aktiengesellschaft Split magnetic former
EP0841108A1 (en) * 1996-11-06 1998-05-13 Norsk Hydro ASA Process for connecting metal members
EP1040280A1 (en) * 1996-07-09 2000-10-04 Techmatics, Inc. Electromagnetic joint forming method and apparatus and improved mobile unit frames
EP1342530A1 (en) * 2002-03-06 2003-09-10 Dana Corporation Method for securing a yoke to a tube using magnetic pulse welding techniques
EP1342531A1 (en) * 2002-03-06 2003-09-10 Dana Corporation Yoke structure that is adapted to be secured to a tube using magnetic pulse welding techniques
US6703594B2 (en) 1997-06-20 2004-03-09 Torque-Traction Technologies, Inc. Method of magnetic pulse welding an end fitting to a driveshaft tube of a vehicular driveshaft
EP1454699A1 (en) * 2002-03-06 2004-09-08 Dana Corporation Method and apparatus for securing a yoke to a tube using magnetic pulse welding techniques
US6908024B2 (en) * 2003-08-12 2005-06-21 Dana Corporation Simultaneous magnetic pulse framing
GB2419574A (en) * 2004-10-29 2006-05-03 Specialized Bicycle Components Bicycle frame
DE102012208068A1 (en) * 2012-05-15 2013-11-21 Bayerische Motoren Werke Aktiengesellschaft Telescopic fork for motorcycle, has outer- and/or inner pipes connected with fork bridge and/or axle carrier in path of magnet impulse weld, where outer- and inner pipes, fork bridge and axle carrier are made of aluminum and steel
US9028164B2 (en) 2012-03-08 2015-05-12 Dana Automotive Systems Group, Llc Magnetic pulse formed vehicle driveshaft and method of making same
FR3039085A1 (en) * 2015-07-23 2017-01-27 Airbus Helicopters MAGNETIC IMPULSE WELDING MECHANICAL BONDING MEMBER, AND METHOD FOR MANUFACTURING SUCH MECHANICAL BINDING MEMBER
CN110802338A (en) * 2019-11-01 2020-02-18 福州大学 Dissimilar metal pipe lap joint and welding method thereof
USD958702S1 (en) 2020-08-05 2022-07-26 Specialized Bicycle Components, Inc. Bicycle frame

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2976907A (en) * 1958-08-28 1961-03-28 Gen Dynamics Corp Metal forming device and method
FR1429136A (en) * 1964-04-23 1966-02-18 Brown High efficiency forming process
FR1429634A (en) * 1965-03-26 1966-02-25 Euratom Magnetic process for forming deep grooves on parts having a flat shape or a tube shape, and device for carrying out this process
US3251974A (en) * 1963-03-28 1966-05-17 Ohio Crankshaft Co Metal forming apparatus
FR1465249A (en) * 1966-01-24 1967-01-06 Siemens Ag Method for the precise assembly of devices from loose parts
FR1492589A (en) * 1965-09-14 1967-08-18 Siemens Ag Method of manufacturing a revolving connection between at least two symmetrical parts with respect to an axis of rotation at the connection point
FR1518273A (en) * 1966-04-09 1968-03-22 Siemens Ag Field concentrator device for compressing hard metal parts outside the work coil and during rapid forming
BE716476A (en) * 1968-06-13 1968-12-13
US3417456A (en) * 1966-09-30 1968-12-24 Army Usa Method for pulse forming
FR1571101A (en) * 1967-06-27 1969-06-13
US3501828A (en) * 1968-08-05 1970-03-24 Gen Motors Corp Method of manufacturing a tie rod assembly
US3590460A (en) * 1969-10-06 1971-07-06 Us Gov The Apparatus for assembling flanges to waveguides
DE2330479A1 (en) * 1973-06-15 1975-01-02 Kh Politekhn I Im W I Removable magnetic concentrator - in 2 parts and having bore containing workpiece

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2976907A (en) * 1958-08-28 1961-03-28 Gen Dynamics Corp Metal forming device and method
US3251974A (en) * 1963-03-28 1966-05-17 Ohio Crankshaft Co Metal forming apparatus
FR1429136A (en) * 1964-04-23 1966-02-18 Brown High efficiency forming process
FR1429634A (en) * 1965-03-26 1966-02-25 Euratom Magnetic process for forming deep grooves on parts having a flat shape or a tube shape, and device for carrying out this process
FR1492589A (en) * 1965-09-14 1967-08-18 Siemens Ag Method of manufacturing a revolving connection between at least two symmetrical parts with respect to an axis of rotation at the connection point
FR1465249A (en) * 1966-01-24 1967-01-06 Siemens Ag Method for the precise assembly of devices from loose parts
FR1518273A (en) * 1966-04-09 1968-03-22 Siemens Ag Field concentrator device for compressing hard metal parts outside the work coil and during rapid forming
US3417456A (en) * 1966-09-30 1968-12-24 Army Usa Method for pulse forming
FR1571101A (en) * 1967-06-27 1969-06-13
BE716476A (en) * 1968-06-13 1968-12-13
US3501828A (en) * 1968-08-05 1970-03-24 Gen Motors Corp Method of manufacturing a tie rod assembly
US3590460A (en) * 1969-10-06 1971-07-06 Us Gov The Apparatus for assembling flanges to waveguides
DE2330479A1 (en) * 1973-06-15 1975-01-02 Kh Politekhn I Im W I Removable magnetic concentrator - in 2 parts and having bore containing workpiece

Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2546680A1 (en) * 1983-05-27 1984-11-30 Auxiliaire Appar Electric Process for manufacturing a through-cable anchoring sleeve for a bare electrical conductor, and sleeve thus obtained
FR2556056A1 (en) * 1983-12-01 1985-06-07 Carat Jean Means for assembling tubes, especially for producing bicycle frames
FR2560344A1 (en) * 1984-02-28 1985-08-30 Electricite De France PROCESS FOR PRODUCING REMOVABLE FITTINGS AND SEALING HIGH-PRESSURE PIPES, AND FITTINGS THEREOF
EP0154588A1 (en) * 1984-02-28 1985-09-11 Electricite De France Process of carrying out dismountable joints and ensuring a fluid-tight seal to high-pressure pipes and related pipe joints
EP0396848A2 (en) * 1989-05-09 1990-11-14 Austria Metall Aktiengesellschaft Split magnetic former
EP0396848A3 (en) * 1989-05-09 1991-04-24 Austria Metall Aktiengesellschaft Split magnetic former
EP1040280A4 (en) * 1996-07-09 2003-06-04 Techmatics Inc Electromagnetic joint forming method and apparatus and improved mobile unit frames
EP1040280A1 (en) * 1996-07-09 2000-10-04 Techmatics, Inc. Electromagnetic joint forming method and apparatus and improved mobile unit frames
WO1998019805A1 (en) * 1996-11-06 1998-05-14 Norsk Hydro Asa Process for connecting metal members
EP0841108A1 (en) * 1996-11-06 1998-05-13 Norsk Hydro ASA Process for connecting metal members
US6891137B2 (en) 1997-06-20 2005-05-10 Torque-Traction Technologies, Inc. Method of magnetic pulse welding an end fitting to a driveshaft tube of a vehicular driveshaft
US7015435B2 (en) 1997-06-20 2006-03-21 Torque-Traction Technologies, Inc. Method of magnetic pulse welding an end fitting to a driveshaft tube of a vehicular driveshaft
US6703594B2 (en) 1997-06-20 2004-03-09 Torque-Traction Technologies, Inc. Method of magnetic pulse welding an end fitting to a driveshaft tube of a vehicular driveshaft
EP1949998A3 (en) * 2002-03-06 2009-10-14 Dana Automotive Systems Group, LLC Method for securing a yoke to a tube using magnetic pulse welding techniques
AU2003200879B2 (en) * 2002-03-06 2008-10-02 Dana Automotive Systems Group, Llc Method for Securing a Yoke to a Tube Using Magnetic Pulse Welding Techniques
US6892929B2 (en) 2002-03-06 2005-05-17 Torque-Traction Technologies, Inc. Yoke structure that is adapted to be secured to a tube using magnetic pulse welding techniques
US6910617B2 (en) 2002-03-06 2005-06-28 Torque-Traction Technologies, Inc. Method for securing a yoke to a tube using magnetic pulse welding techniques
EP1342531A1 (en) * 2002-03-06 2003-09-10 Dana Corporation Yoke structure that is adapted to be secured to a tube using magnetic pulse welding techniques
USRE41101E1 (en) * 2002-03-06 2010-02-09 Dana Automotive Systems Group, Llc Method for securing a yoke to a tube using magnetic pulse welding techniques
CN1309528C (en) * 2002-03-06 2007-04-11 达纳公司 Method for fixing shaft fork on the pipe by adopting magnetic pulse welding technology
EP1342530A1 (en) * 2002-03-06 2003-09-10 Dana Corporation Method for securing a yoke to a tube using magnetic pulse welding techniques
EP1454699A1 (en) * 2002-03-06 2004-09-08 Dana Corporation Method and apparatus for securing a yoke to a tube using magnetic pulse welding techniques
US6908024B2 (en) * 2003-08-12 2005-06-21 Dana Corporation Simultaneous magnetic pulse framing
US7377535B2 (en) 2004-10-29 2008-05-27 Specialized Bicycle Components, Inc. Bicycle frame
GB2419574B (en) * 2004-10-29 2007-04-18 Specialized Bicycle Components Bicycle frame
GB2419574A (en) * 2004-10-29 2006-05-03 Specialized Bicycle Components Bicycle frame
US9028164B2 (en) 2012-03-08 2015-05-12 Dana Automotive Systems Group, Llc Magnetic pulse formed vehicle driveshaft and method of making same
DE102012208068A1 (en) * 2012-05-15 2013-11-21 Bayerische Motoren Werke Aktiengesellschaft Telescopic fork for motorcycle, has outer- and/or inner pipes connected with fork bridge and/or axle carrier in path of magnet impulse weld, where outer- and inner pipes, fork bridge and axle carrier are made of aluminum and steel
FR3039085A1 (en) * 2015-07-23 2017-01-27 Airbus Helicopters MAGNETIC IMPULSE WELDING MECHANICAL BONDING MEMBER, AND METHOD FOR MANUFACTURING SUCH MECHANICAL BINDING MEMBER
EP3124161A1 (en) 2015-07-23 2017-02-01 Airbus Helicopters Mechanical link member for magnetic pulse welding to a tube, and method of manufacturing such a mechanical link member
CN110802338A (en) * 2019-11-01 2020-02-18 福州大学 Dissimilar metal pipe lap joint and welding method thereof
USD958702S1 (en) 2020-08-05 2022-07-26 Specialized Bicycle Components, Inc. Bicycle frame

Also Published As

Publication number Publication date
FR2450145B1 (en) 1982-10-15

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