DK0507474T3 - Fremgangsmåde til fremstilling af selvborende skruer med lang spids - Google Patents

Fremgangsmåde til fremstilling af selvborende skruer med lang spids

Info

Publication number
DK0507474T3
DK0507474T3 DK92302412.9T DK92302412T DK0507474T3 DK 0507474 T3 DK0507474 T3 DK 0507474T3 DK 92302412 T DK92302412 T DK 92302412T DK 0507474 T3 DK0507474 T3 DK 0507474T3
Authority
DK
Denmark
Prior art keywords
tapping screws
long tip
manufacturing self
self
manufacturing
Prior art date
Application number
DK92302412.9T
Other languages
English (en)
Inventor
Richard William Lukes
Original Assignee
Textron 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 Textron Inc filed Critical Textron Inc
Application granted granted Critical
Publication of DK0507474T3 publication Critical patent/DK0507474T3/da

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
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H3/00—Making helical bodies or bodies having parts of helical shape
    • B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
    • B21H3/027—Rolling of self-tapping 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Forging (AREA)
  • Punching Or Piercing (AREA)
DK92302412.9T 1991-04-05 1992-03-20 Fremgangsmåde til fremstilling af selvborende skruer med lang spids DK0507474T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/681,121 US5171186A (en) 1991-04-05 1991-04-05 Method of manufacture of a long point drill screw

Publications (1)

Publication Number Publication Date
DK0507474T3 true DK0507474T3 (da) 1995-09-11

Family

ID=24733930

Family Applications (1)

Application Number Title Priority Date Filing Date
DK92302412.9T DK0507474T3 (da) 1991-04-05 1992-03-20 Fremgangsmåde til fremstilling af selvborende skruer med lang spids

Country Status (6)

Country Link
US (1) US5171186A (da)
EP (1) EP0507474B1 (da)
JP (1) JPH05263815A (da)
DE (1) DE69202387T2 (da)
DK (1) DK0507474T3 (da)
ES (1) ES2071431T3 (da)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2313167B (en) * 1996-05-15 2000-05-10 Chen Sen Yang Screw for fibrous boards
AUPO502997A0 (en) * 1997-02-11 1997-03-06 W.A. Deutscher Pty Ltd Fastening screw and fastening system
JP2003222116A (ja) * 2002-01-31 2003-08-08 Honda Motor Co Ltd セルフタッピングボルト
AU2013293153B2 (en) * 2012-07-23 2017-10-05 Simpson Strong-Tie Company, Inc. Fastener with drill pilot and reversed threaded regions
US9523383B2 (en) 2013-03-26 2016-12-20 Simpson Strong-Tie Company, Inc. Variable thread fastener
US11181138B2 (en) 2013-03-26 2021-11-23 Simpson Strong-Tie Company, Inc. Variable thread knurl fastener
USD898557S1 (en) * 2018-07-10 2020-10-13 Screw King Co., Ltd. Self drilling tapping screw
US11486433B2 (en) 2020-01-10 2022-11-01 Taiwan Shan Yin International Co., Ltd. Self-drilling screw
USD985379S1 (en) * 2021-03-08 2023-05-09 Schrauben Betzer Gmbh & Co Kg Screw

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3079831A (en) * 1959-05-07 1963-03-05 Illinois Tool Works Screw having workpiece drilling and thread cutting point
US3345603A (en) * 1965-09-02 1967-10-03 Cohen Stanley Alan Electrical plug key lock
US3463045A (en) * 1966-05-10 1969-08-26 Illinois Tool Works Drilling screw
US3550255A (en) * 1968-07-05 1970-12-29 Parker Kalon Corp Method of making rotary threaded fasteners
US3683436A (en) * 1970-01-22 1972-08-15 Textron Inc Method for making a drill screw with an extruded point
US3747143A (en) * 1971-04-07 1973-07-24 Star Expansion Ind Corp Screw formation
NL7501721A (nl) * 1973-08-18 1976-08-17 Gkn Screws Fasteners Ltd Werkwijze ter vervaardiging van een zelftappen- de schroef en schroef vervaardigd onder toe- passing van de werkwijze.
US4147088A (en) * 1977-03-16 1979-04-03 Nl Industries, Inc. Drill screw
US4241639A (en) * 1977-11-14 1980-12-30 Illinois Tool Works Inc. Method and apparatus for producing drill screws
US4583898A (en) * 1979-11-26 1986-04-22 Illinois Tool Works Inc. Drill screw and cutters for making same
JPH03234331A (ja) * 1990-02-07 1991-10-18 Nitto Seiko Co Ltd ドリルねじの製造方法および転造ダイス

Also Published As

Publication number Publication date
DE69202387D1 (de) 1995-06-14
EP0507474B1 (en) 1995-05-10
US5171186A (en) 1992-12-15
EP0507474A1 (en) 1992-10-07
ES2071431T3 (es) 1995-06-16
DE69202387T2 (de) 1995-09-14
JPH05263815A (ja) 1993-10-12

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