DK134327B - Selvskærende skrue og fremgangsmåde til fremstilling af en sådan skrue. - Google Patents

Selvskærende skrue og fremgangsmåde til fremstilling af en sådan skrue.

Info

Publication number
DK134327B
DK134327B DK558869AA DK558869A DK134327B DK 134327 B DK134327 B DK 134327B DK 558869A A DK558869A A DK 558869AA DK 558869 A DK558869 A DK 558869A DK 134327 B DK134327 B DK 134327B
Authority
DK
Denmark
Prior art keywords
screw
self
manufacturing
tapping
tapping screw
Prior art date
Application number
DK558869AA
Other languages
Danish (da)
English (en)
Other versions
DK134327C (es
Inventor
Sixten Harald Lejdegaard
Original Assignee
Bultfabriks Ab
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
Priority claimed from SE14347/68A external-priority patent/SE335650B/xx
Priority claimed from SE14312/69A external-priority patent/SE335257B/xx
Application filed by Bultfabriks Ab filed Critical Bultfabriks Ab
Publication of DK134327B publication Critical patent/DK134327B/da
Application granted granted Critical
Publication of DK134327C publication Critical patent/DK134327C/da

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
    • 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
    • F16B25/103—Screws performing an additional function to thread-forming, e.g. drill screws or self-piercing screws by means of a drilling screw-point, i.e. with a cutting and material removing action
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Drilling Tools (AREA)
  • Earth Drilling (AREA)
DK558869AA 1968-10-23 1969-10-22 Selvskærende skrue og fremgangsmåde til fremstilling af en sådan skrue. DK134327B (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE14347/68A SE335650B (es) 1968-10-23 1968-10-23
SE14312/69A SE335257B (es) 1969-10-17 1969-10-17

Publications (2)

Publication Number Publication Date
DK134327B true DK134327B (da) 1976-10-18
DK134327C DK134327C (es) 1977-03-21

Family

ID=26655989

Family Applications (1)

Application Number Title Priority Date Filing Date
DK558869AA DK134327B (da) 1968-10-23 1969-10-22 Selvskærende skrue og fremgangsmåde til fremstilling af en sådan skrue.

Country Status (10)

Country Link
US (1) US3682038A (es)
BE (1) BE740617A (es)
CH (1) CH515426A (es)
DE (1) DE1953183C3 (es)
DK (1) DK134327B (es)
FI (1) FI48297C (es)
FR (1) FR2021400A1 (es)
GB (1) GB1288612A (es)
NL (1) NL162997C (es)
NO (1) NO125290B (es)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4311423A (en) * 1975-04-25 1982-01-19 Fumio Hirabayashi Hole-drilling, extruding and thread-forming sheet screw
US4114507A (en) * 1976-11-17 1978-09-19 The Kalt Manufacturing Company Drill screw
US4147088A (en) * 1977-03-16 1979-04-03 Nl Industries, Inc. Drill screw
EP0012441A1 (de) * 1978-12-14 1980-06-25 Eberhard Jaeger GmbH & Co. KG Selbstfurchende Bohrschraube
US4693654A (en) * 1980-03-07 1987-09-15 Illinois Tool Works Inc. Self-drilling, self-tapping fastener
ZA811222B (en) * 1980-03-07 1982-09-29 Illinois Tool Works Self-drilling,self-tapping fastener
US4477217A (en) * 1981-06-01 1984-10-16 Rockford Products Corporation Drill and thread forming screw
US5499896A (en) * 1994-06-23 1996-03-19 Cafarelli; Robert S. Combined drill screw with reamer
DE4445806C1 (de) * 1994-12-21 1996-08-29 Sfs Ind Holding Ag Loch- und gewindeformende Schraube sowie Verfahren zum Eindrehen derselben
US5759003A (en) * 1996-07-22 1998-06-02 Greenway; John Michael Combined screw and clearance drill
US20040230195A1 (en) * 2003-05-14 2004-11-18 Inion Ltd. Soft-tissue screw
DE102007010221A1 (de) * 2007-02-28 2008-09-04 Baier & Michels Gmbh & Co. Kg Schraube mit einem gewindeformenden Gewinde, Rohling zur Herstellung der Schraube und Schraubverbindung
US20090185880A1 (en) * 2008-01-18 2009-07-23 Yongping Gong Universal fastener
DE102010039669A1 (de) * 2010-08-24 2012-03-01 Adolf Würth GmbH & Co. KG Befestigungselement
DE102015106561A1 (de) * 2015-04-28 2016-11-03 Airbus Operations Gmbh Befestigungsvorrichtung zum kraftschlüssigen Verbinden von Strukturbauteilen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH50995A (de) * 1910-01-13 1911-07-17 August Mueller Carl Holzschraube
US2347360A (en) * 1942-08-03 1944-04-25 American Screw Co Self-tapping screw
GB633938A (en) * 1948-02-17 1949-12-30 Herbert Frederick Pearce Improvements in drills
US3093028A (en) * 1959-02-05 1963-06-11 Eaton Mfg Co Self-drilling and self-tapping threaded fastener
US3045523A (en) * 1960-08-25 1962-07-24 Nd Edgar Reed Drill point screw having interrupted leading end threads formed by a flat chordal surface
US3094894A (en) * 1961-02-28 1963-06-25 Elco Tool And Screw Corp Piercing and tapping screw with groove to facilitate tapping
DE1475049A1 (de) * 1964-04-08 1969-05-08 Knipping Gmbh A Selbstbohrende Blechschraube

Also Published As

Publication number Publication date
GB1288612A (es) 1972-09-13
US3682038A (en) 1972-08-08
NL6916006A (es) 1970-04-27
NL162997C (nl) 1980-07-15
FI48297B (es) 1974-04-30
DE1953183B2 (de) 1975-04-24
DK134327C (es) 1977-03-21
FI48297C (fi) 1974-08-12
NO125290B (es) 1972-08-14
BE740617A (es) 1970-04-22
DE1953183A1 (de) 1970-05-27
DE1953183C3 (de) 1975-12-04
CH515426A (de) 1971-11-15
FR2021400A1 (es) 1970-07-24

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