CA2074351A1 - High strength blind bolt with uniform high clamp over an extended grip range - Google Patents

High strength blind bolt with uniform high clamp over an extended grip range

Info

Publication number
CA2074351A1
CA2074351A1 CA002074351A CA2074351A CA2074351A1 CA 2074351 A1 CA2074351 A1 CA 2074351A1 CA 002074351 A CA002074351 A CA 002074351A CA 2074351 A CA2074351 A CA 2074351A CA 2074351 A1 CA2074351 A1 CA 2074351A1
Authority
CA
Canada
Prior art keywords
blind
sleeve structure
pin
main sleeve
head
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
CA002074351A
Other languages
French (fr)
Other versions
CA2074351C (en
Inventor
Shahriar Mostofi Sadri
Keith Douglas Nordyke
Mark Robert Plunkett
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.)
Huck International Inc
Original Assignee
Shahriar Mostofi Sadri
Keith Douglas Nordyke
Mark Robert Plunkett
Huck International, Inc.
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 Shahriar Mostofi Sadri, Keith Douglas Nordyke, Mark Robert Plunkett, Huck International, Inc. filed Critical Shahriar Mostofi Sadri
Publication of CA2074351A1 publication Critical patent/CA2074351A1/en
Application granted granted Critical
Publication of CA2074351C publication Critical patent/CA2074351C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
    • 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
    • F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
    • F16B19/04—Rivets; Spigots or the like fastened by riveting
    • F16B19/08—Hollow rivets; Multi-part rivets
    • F16B19/10—Hollow rivets; Multi-part rivets fastened by expanding mechanically
    • F16B19/1027—Multi-part rivets
    • F16B19/1036—Blind rivets
    • F16B19/1045—Blind rivets fastened by a pull - mandrel or the like
    • F16B19/1054—Blind rivets fastened by a pull - mandrel or the like the pull-mandrel or the like being frangible
    • 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
    • F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
    • F16B19/04—Rivets; Spigots or the like fastened by riveting
    • F16B19/08—Hollow rivets; Multi-part rivets
    • F16B19/10—Hollow rivets; Multi-part rivets fastened by expanding mechanically
    • F16B19/1027—Multi-part rivets
    • F16B19/1036—Blind rivets
    • F16B19/1045—Blind rivets fastened by a pull - mandrel or the like
    • F16B19/1063—Blind rivets fastened by a pull - mandrel or the like with a sleeve or collar sliding over the hollow rivet body during the pulling operation

Abstract

A high strength, high clamp blind bolt for fastening structural workpieces, which blind bolt has a core pin with a blind side head and a plurality of locking grooves or threads, a high stand-off collar adapted to be swaged into the locking grooves or a nut adapted to be threaded onto the pin threads, a compression frangible main sleeve structure and an expandable, short fixed length blind side sleeve structure; the blind bolt is set by a relative axial force applied to the pin which forces the short blind sleeve structure against the main sleeve structure causing the blind side sleeve to expand and form a blind side structural load bearing blind head; the relative axial force can be applied by pulling in a swage configuration or by torque in a threaded configuration; the core pin head acts on the main sleeve structure to cause a frangible portion to shear and reduce the main sleeve structure length after which the blind head engages the blind side of the workpieces; the high stand-off collar is then swaged into the pin lockgrooves or the nut is threaded further onto the core pin with none of the clamp load developed being shared by the collapsed main sleeve structure resulting in a fastener having a high, uniform workpiece clamp load, a high, uniform tensile strength, and a fixed, short back side protrusion over a wide grip range.
CA002074351A 1991-08-09 1992-07-21 High strength blind bolt with uniform high clamp over an extended grip range Expired - Fee Related CA2074351C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US888,795 1978-03-21
US74286691A 1991-08-09 1991-08-09
US742,866 1991-08-09
US07/888,795 US5213460A (en) 1991-05-24 1992-05-27 High strength blind bolt with uniform high clamp over an extended grip range

Publications (2)

Publication Number Publication Date
CA2074351A1 true CA2074351A1 (en) 1993-02-10
CA2074351C CA2074351C (en) 2003-03-18

Family

ID=27114065

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002074351A Expired - Fee Related CA2074351C (en) 1991-08-09 1992-07-21 High strength blind bolt with uniform high clamp over an extended grip range

Country Status (10)

Country Link
US (1) US5213460A (en)
EP (1) EP0527581B1 (en)
JP (1) JP2682772B2 (en)
KR (1) KR100239131B1 (en)
AU (1) AU647715B2 (en)
CA (1) CA2074351C (en)
DE (1) DE69211248T2 (en)
HU (1) HUT62382A (en)
MX (1) MX9204510A (en)
PL (1) PL295584A1 (en)

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US6247883B1 (en) 1999-07-13 2001-06-19 Huck International, Inc. High strength blind bolt with uniform high clamp over an extended grip range
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GB2505901A (en) * 2012-09-13 2014-03-19 Infastech Ip Pte Ltd Lockbolt
JP6364492B2 (en) * 2013-09-09 2018-07-25 アブデル ユーケー リミテッド Rock bolt
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US20160123368A1 (en) * 2014-11-04 2016-05-05 Ira Svendsgaard and Associates Fastener for blind hole
KR101517036B1 (en) * 2014-11-11 2015-05-18 (주)화신볼트산업 Fixing hydraulic coupling apparatus
US9897132B2 (en) 2015-06-02 2018-02-20 Northrop Grumman Systems Corporation Diffusion bonded fastener assembly
CN105058315B (en) * 2015-07-22 2016-10-26 同济大学 A kind of rotating rod type unilateral bolt fastener auxiliary mounting tool
US11326640B2 (en) * 2015-12-09 2022-05-10 Bossard Ag Fastening element
CN106286528B (en) * 2016-09-14 2018-05-25 航天精工股份有限公司 A kind of high Anti-loosing riveting type self-plugging rivet
CN106544494B (en) * 2017-01-18 2017-12-15 中钢集团郑州金属制品研究院有限公司 A kind of online soft annealing method suitable for 1Cr17Ni2 stainless steel cold pull wires
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WO2020024085A1 (en) * 2018-07-28 2020-02-06 苏州速腾电子科技有限公司 Locking screw
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Also Published As

Publication number Publication date
EP0527581B1 (en) 1996-06-05
MX9204510A (en) 1993-07-01
KR100239131B1 (en) 2000-01-15
US5213460A (en) 1993-05-25
AU647715B2 (en) 1994-03-24
CA2074351C (en) 2003-03-18
EP0527581A1 (en) 1993-02-17
AU2045892A (en) 1993-02-11
HU9202361D0 (en) 1993-04-28
DE69211248T2 (en) 1996-12-19
HUT62382A (en) 1993-04-28
PL295584A1 (en) 1993-09-06
JPH05209608A (en) 1993-08-20
JP2682772B2 (en) 1997-11-26
DE69211248D1 (en) 1996-07-11

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