CA2242565A1 - Tacking fastener - Google Patents

Tacking fastener

Info

Publication number
CA2242565A1
CA2242565A1 CA002242565A CA2242565A CA2242565A1 CA 2242565 A1 CA2242565 A1 CA 2242565A1 CA 002242565 A CA002242565 A CA 002242565A CA 2242565 A CA2242565 A CA 2242565A CA 2242565 A1 CA2242565 A1 CA 2242565A1
Authority
CA
Canada
Prior art keywords
shank
head
fastener
workpieces
drilling
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
CA002242565A
Other languages
French (fr)
Other versions
CA2242565C (en
Inventor
Ralph Luhm
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.)
Allfast Fastening Systems Inc
Original Assignee
Allfast Fastening Systems, Inc.
Ralph Luhm
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 Allfast Fastening Systems, Inc., Ralph Luhm filed Critical Allfast Fastening Systems, Inc.
Publication of CA2242565A1 publication Critical patent/CA2242565A1/en
Application granted granted Critical
Publication of CA2242565C publication Critical patent/CA2242565C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F16B4/00—Shrinkage connections, e.g. assembled with the parts at different temperature; Force fits; Non-releasable friction-grip fastenings
    • F16B4/004—Press fits, force fits, interference fits, i.e. fits without heat or chemical treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • 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
    • 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
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/04—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of riveting
    • 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
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49947—Assembling or joining by applying separate fastener
    • Y10T29/49963—Threaded fastener

Abstract

A temporary fastener (10) that fastens two adjacent workpieces (40, 42). The fastener includes a shank (12) that extends through a hole of the workpieces (40, 42). Extending from one end of the shank is a conical shaped head (20).
The fastener also contains a pull stem which has a head (28) located adjacent to the blind end of the shank. The stem head (28) is pulled through the shank (12) to expand and tightly fasten the shank (12) to the workpieces (40, 42).
The fastener is removed by drilling through the head and the shank. The diameter of the conical shank head is smaller than the diameter of the drill bit (54) so that part of the head (20) does not become attached to the drill bit and scratch the workpiece (40). The conical shape of the head also reduces the volume of the fastener material to further reduce the size and amount of chips produced during the drilling process. The tightly engaged shank prevents the fastener from rotating during the drilling operation.
CA002242565A 1996-01-11 1997-01-09 Tacking fastener Expired - Lifetime CA2242565C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US58411196A 1996-01-11 1996-01-11
US08/584,111 1996-01-11
PCT/US1997/000094 WO1997025538A1 (en) 1996-01-11 1997-01-09 Tacking fastener

Publications (2)

Publication Number Publication Date
CA2242565A1 true CA2242565A1 (en) 1997-07-17
CA2242565C CA2242565C (en) 2003-01-28

Family

ID=24335981

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002242565A Expired - Lifetime CA2242565C (en) 1996-01-11 1997-01-09 Tacking fastener

Country Status (8)

Country Link
US (1) US5689873A (en)
EP (1) EP0873476B1 (en)
JP (1) JP2000505526A (en)
AU (1) AU1525597A (en)
CA (1) CA2242565C (en)
DE (1) DE69708595T2 (en)
ES (1) ES2169346T3 (en)
WO (1) WO1997025538A1 (en)

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CN102913519A (en) * 2012-09-27 2013-02-06 贵州航太精密制造有限公司 Connecting device for race and sandwich plate
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WO2019133701A1 (en) 2017-12-27 2019-07-04 Allfast Fastening Systems Tacking fastener

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Also Published As

Publication number Publication date
EP0873476B1 (en) 2001-11-28
JP2000505526A (en) 2000-05-09
EP0873476A4 (en) 1999-03-03
US5689873A (en) 1997-11-25
DE69708595T2 (en) 2002-07-04
ES2169346T3 (en) 2002-07-01
CA2242565C (en) 2003-01-28
DE69708595D1 (en) 2002-01-10
WO1997025538A1 (en) 1997-07-17
EP0873476A1 (en) 1998-10-28
AU1525597A (en) 1997-08-01

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Effective date: 20170109