EP2609341A1 - Befestigungselement - Google Patents

Befestigungselement

Info

Publication number
EP2609341A1
EP2609341A1 EP11748376.8A EP11748376A EP2609341A1 EP 2609341 A1 EP2609341 A1 EP 2609341A1 EP 11748376 A EP11748376 A EP 11748376A EP 2609341 A1 EP2609341 A1 EP 2609341A1
Authority
EP
European Patent Office
Prior art keywords
fastening element
element according
fastener
face
cutting edge
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.)
Withdrawn
Application number
EP11748376.8A
Other languages
German (de)
English (en)
French (fr)
Inventor
Uwe Frank
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.)
Wuerth International AG
Adolf Wuerth GmbH and Co KG
Original Assignee
Wuerth International AG
Adolf Wuerth GmbH and Co KG
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 Wuerth International AG, Adolf Wuerth GmbH and Co KG filed Critical Wuerth International AG
Publication of EP2609341A1 publication Critical patent/EP2609341A1/de
Withdrawn legal-status Critical Current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
    • 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
    • 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
    • F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/005—Set screws; Locking means therefor
    • 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
    • B21J15/02—Riveting procedures
    • B21J15/025—Setting self-piercing rivets
    • 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
    • B21J15/02—Riveting procedures
    • B21J15/04—Riveting hollow rivets mechanically
    • B21J15/043—Riveting hollow rivets mechanically by pulling a mandrel
    • 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
    • F16B15/00—Nails; Staples
    • 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
    • F16B19/086—Self-piercing rivets
    • 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
    • F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • 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
    • F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • F16B25/001—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by the material of the body into which the screw is screwed
    • F16B25/0021—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by the material of the body into which the screw is screwed the material being metal, e.g. sheet-metal or aluminium
    • 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
    • F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • F16B25/0036—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw
    • F16B25/0084—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by geometric details of the tip
    • 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
    • F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • F16B25/10—Screws performing an additional function to thread-forming, e.g. drill screws or self-piercing screws
    • 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
    • F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • F16B25/10—Screws performing an additional function to thread-forming, e.g. drill screws or self-piercing screws
    • F16B25/106—Screws performing an additional function to thread-forming, e.g. drill screws or self-piercing screws by means of a self-piercing screw-point, i.e. without removing material

Definitions

  • the invention relates to a fastener which is driven in a jerky movement in a non-perforated underground.
  • the invention is based on the object to provide a suitable for driving into a non-perforated workpiece fastener that results in a simple construction to a lower deformation of the workpiece in the area caused by the fastener attachment.
  • the invention proposes a fastening element with the features mentioned in claim 1. Further developments of the invention are the subject of dependent claims.
  • the fastening element does not contain a point, but rather a punched section with an end face delimited by a peripheral edge.
  • This end face and thus also the peripheral edge bordering it are not located in a plane which runs transversely to the longitudinal axis.
  • the face does not have to be flat, it can also have other shapes. sen.
  • the peripheral edge is advantageously formed at least in the front region (tip) symmetrically around the tip as a cutting edge.
  • the embodiment of the invention results in that the end face first meets the workpiece with its cutting edge at one point, so that the opening of the workpiece begins there.
  • all points of the cutting edge and then the remainder of the peripheral edge gradually come into contact with the workpiece, so that the opening is generated gradually, similar to a shearing.
  • the workpiece is less strongly deformed in the region of the opening and, on the other hand, no excessive braking of the fastening element during penetration is effected.
  • a hole with a clean edge is created. Such a clean edge does not tend to tear, as may occur with a hole created by a tip. This proves to be particularly advantageous if the workpiece made of fabric, plastic, fiber fabric or composite materials instead of the metals commonly used, especially steel.
  • the front punching section of the fastening element has a cylindrical, in particular a circular cylindrical, outer contour.
  • the punching edge is formed by a cutting line between the end face of the fastener and a cylindrical outer contour of the fastener, preferably from the cylindrical outer contour of the punching section.
  • the punching section has a smaller cross section than the actual body of the fastening element. It has been found that forming a hole having a smaller cross-section than the cross-section of the fastener, results in good results in both the design of the fastener and the expense of shooting such a fastener is not too great.
  • a transition section is arranged and formed between the front punching section and the fastening element body, which produces the transition between the larger cross section and the smaller cross section.
  • transition section can now have different shapes.
  • the transition section can be conical, that is, with a straight-line side line.
  • the transition section is ballistic, the side line is thus convexly curved.
  • Another possibility proposed by the invention is that the transition section has a concavely curved side line.
  • the side line of the transition section is composed of sections of different configuration, ie ballistic, conical and concave sections.
  • the oblique course of the end face is intended to cause the peripheral edge which effects the production of the hole to impinge on the workpiece step by step or at different times.
  • the part of the peripheral edge forming the cutting edge is to carry out a cutting operation and then the remainder of the peripheral edge to make a shearing operation.
  • the end face of the punching section occupies a smaller angle with the longitudinal axis of the fastening element in the area immediately radially behind the cutting edge than in its remaining area. This will sharpen the cutting edge. For example, this can be done by the end face is concave.
  • the front region of the stamped portion is made with the end face and the cutting edge of stainless steel, preferably by a cold deformation, a so-called pinching.
  • FIG. 1 shows the side view of a fastening element in the form of a
  • FIG. 1 shows, as an example of a fastening element proposed by the invention, a tubular rivet with a body 1, at one end of which a head 2 is formed.
  • the head 2 projects radially beyond the cylindrical body 1 of the fastener. Its underside forms an abutment shoulder 3, which comes to rest in a fastened state on the upper side of the workpiece.
  • the fastening element In the region of its front end 4 assigned to the workpiece, the fastening element has an end face 5, which is only indicated here.
  • FIG. It is a Dornbruchniet whose body 1 looks the same as the body 1 of the fastener of Figure 1.
  • a Nietdorn 6 at which is pulled to form a closing head.
  • FIG. It is a punching screw with a fastener body 7, at one end of a screw head 8 is arranged. The underside of the screw head forms a contact shoulder 3 as in the previous fasteners.
  • Stamping section 9 is formed, which is bounded by an end face 5.
  • transition section 10 is formed, which has a concave curved side line in the example shown.
  • FIG. 5 shows the embodiment of FIG.
  • the cutting edge 24 has an arcuate shape in the side view.
  • the cutting edge is initially punctiform and then line-shaped on the edge to be machined. impinges on the workpiece.
  • an edge is formed, which is caused by the pinching of the tip.
  • the end face 5 is also convexly curved.
  • FIGS. 4 to 6 The configuration of the front end of the fastening element illustrated in FIGS. 4 to 6 can be present not only in fastening elements with a transition section, but also in a fastening element in which the piercing section has the same diameter as the body 1 of the fastening element. This applies, moreover, in most embodiments, but is shown here again in the drawing.
  • the figures 7 to 9. the same shape of both the end face and the cutting edge 24 is given as in the previous embodiment.
EP11748376.8A 2010-08-24 2011-08-23 Befestigungselement Withdrawn EP2609341A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010039669A DE102010039669A1 (de) 2010-08-24 2010-08-24 Befestigungselement
PCT/EP2011/064475 WO2012025529A1 (de) 2010-08-24 2011-08-23 Befestigungselement

Publications (1)

Publication Number Publication Date
EP2609341A1 true EP2609341A1 (de) 2013-07-03

Family

ID=44509364

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11748376.8A Withdrawn EP2609341A1 (de) 2010-08-24 2011-08-23 Befestigungselement

Country Status (12)

Country Link
US (1) US20130142591A1 (ru)
EP (1) EP2609341A1 (ru)
JP (1) JP2013536385A (ru)
KR (1) KR20130057462A (ru)
CN (1) CN103403368A (ru)
AU (1) AU2011295106A1 (ru)
BR (1) BR112013004290A2 (ru)
CA (1) CA2808249A1 (ru)
DE (1) DE102010039669A1 (ru)
MX (1) MX2013002066A (ru)
RU (1) RU2013108740A (ru)
WO (1) WO2012025529A1 (ru)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008014840A1 (de) * 2008-03-07 2009-09-10 Adolf Würth GmbH & Co. KG Befestigungselement
WO2015155803A1 (ja) * 2014-04-09 2015-10-15 種市　薫 釘
RU2667955C1 (ru) * 2017-04-18 2018-09-25 Михаил Алексеевич Благодарный Крепежное средство с односторонним доступом

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Also Published As

Publication number Publication date
CN103403368A (zh) 2013-11-20
WO2012025529A1 (de) 2012-03-01
MX2013002066A (es) 2013-07-29
BR112013004290A2 (pt) 2016-05-31
CA2808249A1 (en) 2012-03-01
US20130142591A1 (en) 2013-06-06
KR20130057462A (ko) 2013-05-31
DE102010039669A1 (de) 2012-03-01
AU2011295106A1 (en) 2013-03-21
JP2013536385A (ja) 2013-09-19
RU2013108740A (ru) 2014-09-27

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