EP1872022A1 - Vis - Google Patents

Vis

Info

Publication number
EP1872022A1
EP1872022A1 EP06705963A EP06705963A EP1872022A1 EP 1872022 A1 EP1872022 A1 EP 1872022A1 EP 06705963 A EP06705963 A EP 06705963A EP 06705963 A EP06705963 A EP 06705963A EP 1872022 A1 EP1872022 A1 EP 1872022A1
Authority
EP
European Patent Office
Prior art keywords
head
screw
thread
pin
weld
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Withdrawn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
EP06705963A
Other languages
German (de)
English (en)
Inventor
Gabriele Silva Colaco
Frank Kortmann
Karl Heinz Meffert
Torsten Maron
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.)
Acument GmbH and Co OHG
Original Assignee
Acument GmbH and Co OHG
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 Acument GmbH and Co OHG filed Critical Acument GmbH and Co OHG
Publication of EP1872022A1 publication Critical patent/EP1872022A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/56—Making machine elements screw-threaded elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/44—Making machine elements bolts, studs, or the like
    • 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
    • B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
    • B23K20/129—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding specially adapted for particular articles or workpieces
    • 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
    • F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • F16B35/041—Specially-shaped shafts
    • F16B35/042—Specially-shaped shafts for retention or rotation by a tool, e.g. of polygonal cross-section
    • 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
    • F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
    • F16B5/0275—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread the screw-threaded element having at least two axially separated threaded portions

Definitions

  • the present invention relates to a screw with a head and two arranged on both sides of the head external threads.
  • screws with a head and two external threads arranged on both sides of the head are often used to solve constructive problems.
  • Such screws have heretofore been made according to the prior art by producing a "normal" screw with a relatively large head and concentrically mounting a tapped hole with an internal thread into the side of the head facing away from the thread. In this internal thread then a pin was screwed with an external thread.
  • Object of the present invention is therefore to provide a screw with a head and two arranged on both sides of the head external threads that can be made on the usual machines, and still the disadvantages of mounting an internal thread in the head (volume and weight of the head to be enlarged, low mechanical strength of the short internal thread, possible loosening of the internal thread) avoids.
  • this object is achieved in that the pin which carries the second external thread is connected by a weld with the head.
  • the pin may also be provided in place of an external thread smooth or with other structures.
  • weld is a friction weld. This is best integrated into the manufacturing process.
  • a cylindrical recess is arranged concentrically to the head in which the weld is located. In this way, the second wind through to the head, in addition, a higher strength of the welded joint can be achieved.
  • the recess preferably has a depth which corresponds to the width of the weld.
  • the recess can be made by pressing in the head. - -
  • the outer walls of the recess extend obliquely inwardly tapering.
  • the head has an external drive, particularly preferred is a hexagon.
  • Figure 1 shows a screw according to the invention with arranged on both sides of the head external threads
  • Figure 2 shows a detailed view of the head, partially broken, while the lower half of the drawing shows the state before the friction welding, the upper half shows the finished screw.
  • the present invention comprises a screw 10 with a head 12, which here has an external drive 14 in the form of a hexagon.
  • a conventional external thread 16 connects to the head, so that the right half of FIG. 1 corresponds to a normal screw with a hexagonal external drive head.
  • a pin 18 with an external thread 20 is also attached to the side 16 of the head 12 facing away from the thread 16. The connection between the pin 18 and the head 12 takes place via a weld, preferably a friction welding.
  • FIG. 2 shows, for a further explanation of the invention, a more detailed representation of the head 12, which is here partly broken away in order to be able to explain the connection between the pin 18 and the head 12 of the screw 10 in more detail.
  • the lower half of Figure 2 shows the state before the friction welding process, while the upper half shows the finished screw.
  • a cylindrical recess 22 is pressed concentrically to the head 12 on the side facing away from the thread 16 according to the invention.
  • the recess 22 has a depth A corresponding to the width of the weld. In this way it is possible, the thread 20 on the pin 18 to lead directly to the side surface 17 of the head 12.
  • the recess 22 is not exactly cylindrical, but is formed with slightly inclined inward tapered outer walls 26. This facilitates the assembly of the pin 18 in the recess 22, as well as the production of the recess 22nd

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Standing Axle, Rod, Or Tube Structures Coupled By Welding, Adhesion, Or Deposition (AREA)
  • Connection Of Plates (AREA)

Abstract

L'invention concerne une vis (10) comportant une tête (12) et deux filets extérieurs (16,20) situés des deux côtés de la tête (12). Cette vis est produite de la manière suivante : une tige (18) présentant un filet extérieur (20) est placée sur le côté (17), opposé au filet (16), de la tête (12) de la vis (10), puis soudée à la tête (12).
EP06705963A 2005-04-12 2006-02-13 Vis Withdrawn EP1872022A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200520005756 DE202005005756U1 (de) 2005-04-12 2005-04-12 Schraube
PCT/DE2006/000245 WO2006108369A1 (fr) 2005-04-12 2006-02-13 Vis

Publications (1)

Publication Number Publication Date
EP1872022A1 true EP1872022A1 (fr) 2008-01-02

Family

ID=34684367

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06705963A Withdrawn EP1872022A1 (fr) 2005-04-12 2006-02-13 Vis

Country Status (3)

Country Link
EP (1) EP1872022A1 (fr)
DE (2) DE202005005756U1 (fr)
WO (1) WO2006108369A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106735844B (zh) * 2016-11-16 2019-01-11 大连理工大学 一种异种金属旋转摩擦焊方法
CN113894508B (zh) * 2021-11-04 2023-02-21 山东大学 一种异种金属棒材的铆接辅助旋转摩擦焊工艺和应用

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1252013A (fr) * 1967-12-20 1971-11-03
US3924508A (en) * 1974-09-27 1975-12-09 Textron Inc Composite drill screw
DE8707580U1 (de) * 1986-11-11 1987-10-01 Blümling, Franz J., 6231 Sulzbach Metalldübel
AU1152588A (en) * 1987-02-18 1988-09-14 Sfs Stadler Ag Fixing device and method for the manufacture of same
EP0564889A1 (fr) * 1992-03-27 1993-10-13 Hewi Heinrich Wilke Gmbh Dispositif de raccordement, notamment pour une pièce de construction tubulaire
FR2863154B1 (fr) * 2003-12-08 2006-09-01 Pierre Grossmann Dispositif pour rendre solidaire un arbre de noel avec son support bois

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2006108369A1 *

Also Published As

Publication number Publication date
DE112006001556A5 (de) 2008-03-20
WO2006108369A1 (fr) 2006-10-19
DE202005005756U1 (de) 2005-06-16

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 20071112

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Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

RIN1 Information on inventor provided before grant (corrected)

Inventor name: KORTMANN, FRANK

Inventor name: SILVA COLACO, GABRIELE

Inventor name: MEFFERT,KARL HEINZ

Inventor name: MARON, TORSTEN

DAX Request for extension of the european patent (deleted)
17Q First examination report despatched

Effective date: 20080903

STAA Information on the status of an ep patent application or granted ep patent

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18D Application deemed to be withdrawn

Effective date: 20090114