CH616211A5 - - Google Patents

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Publication number
CH616211A5
CH616211A5 CH1224277A CH1224277A CH616211A5 CH 616211 A5 CH616211 A5 CH 616211A5 CH 1224277 A CH1224277 A CH 1224277A CH 1224277 A CH1224277 A CH 1224277A CH 616211 A5 CH616211 A5 CH 616211A5
Authority
CH
Switzerland
Prior art keywords
screw
self
barrel
lips
lip
Prior art date
Application number
CH1224277A
Other languages
English (en)
French (fr)
Inventor
Alfred Lucain
Original Assignee
Terep Techn Res & Prod Eng Co
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 Terep Techn Res & Prod Eng Co filed Critical Terep Techn Res & Prod Eng Co
Priority to CH1224277A priority Critical patent/CH616211A5/fr
Priority to FR7733881A priority patent/FR2405389A1/fr
Priority to IT28424/78A priority patent/IT1099243B/it
Priority to BR7806639A priority patent/BR7806639A/pt
Priority to DE19782843470 priority patent/DE2843470A1/de
Priority to SE7810509A priority patent/SE7810509L/xx
Priority to JP12350478A priority patent/JPS5460641A/ja
Priority to GB7839704A priority patent/GB2005171A/en
Publication of CH616211A5 publication Critical patent/CH616211A5/fr

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
    • F16B25/0036—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw
    • F16B25/0042—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 the geometry of the thread, the thread being a ridge wrapped around the shaft of the screw
    • F16B25/0047—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 the geometry of the thread, the thread being a ridge wrapped around the shaft of the screw the ridge being characterised by its cross-section in the plane of the shaft axis
    • 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
    • F16B25/106—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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Dowels (AREA)
  • Connection Of Plates (AREA)
  • Drilling Tools (AREA)
CH1224277A 1977-10-06 1977-10-06 CH616211A5 (it)

Priority Applications (8)

Application Number Priority Date Filing Date Title
CH1224277A CH616211A5 (it) 1977-10-06 1977-10-06
FR7733881A FR2405389A1 (fr) 1977-10-06 1977-11-10 Vis auto-perceuse et auto-taraudeuse
IT28424/78A IT1099243B (it) 1977-10-06 1978-10-04 Vite autoperforante e autofilettante
BR7806639A BR7806639A (pt) 1977-10-06 1978-10-05 Parafuso auto-perfurador e auto-rosqueador
DE19782843470 DE2843470A1 (de) 1977-10-06 1978-10-05 Selbstbohrende und gewindeschneidende schraube
SE7810509A SE7810509L (sv) 1977-10-06 1978-10-06 Sjelvgenomtrengande och sjelvgengande skruv
JP12350478A JPS5460641A (en) 1977-10-06 1978-10-06 Selffthrough and selfftapping type screw
GB7839704A GB2005171A (en) 1977-10-06 1978-10-06 Self-piercing and self-tapping screw

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1224277A CH616211A5 (it) 1977-10-06 1977-10-06

Publications (1)

Publication Number Publication Date
CH616211A5 true CH616211A5 (it) 1980-03-14

Family

ID=4381210

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1224277A CH616211A5 (it) 1977-10-06 1977-10-06

Country Status (8)

Country Link
JP (1) JPS5460641A (it)
BR (1) BR7806639A (it)
CH (1) CH616211A5 (it)
DE (1) DE2843470A1 (it)
FR (1) FR2405389A1 (it)
GB (1) GB2005171A (it)
IT (1) IT1099243B (it)
SE (1) SE7810509L (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3022187C2 (de) * 1980-06-13 1983-08-11 Itw-Ateco Gmbh, 2000 Norderstedt Bohrschraube
GB2100628B (en) * 1981-06-25 1985-04-11 Shinjo Seisakusho Yk A drill screw
JPS60179512A (ja) * 1984-02-24 1985-09-13 株式会社ヤマヒロ セルフドリリングネジ及びその転造ダイス
GB2305703A (en) * 1995-09-27 1997-04-16 John Michael Pitts Screwthreaded fixing device
DE102010041165A1 (de) * 2010-09-22 2012-03-22 Adolf Würth GmbH & Co. KG Bohrschraube
DE102011085232A1 (de) * 2011-10-26 2013-05-02 Fabricius Fastener Gmbh Schraube

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1310858A (fr) * 1960-12-19 1962-11-30 Lennewerk Altena Gmbh Vis à tôles autoperceuse
GB957626A (en) * 1961-08-28 1964-05-06 Gen Am Transport Combination hole-drilling and thread-forming screw fasteners
BE620370A (it) * 1961-11-23
FR1331668A (fr) * 1962-07-04 1963-07-05 Illinois Tool Works Attache à vis pour des constructions de murs et de plafonds
US3463045A (en) * 1966-05-10 1969-08-26 Illinois Tool Works Drilling screw
US3683436A (en) * 1970-01-22 1972-08-15 Textron Inc Method for making a drill screw with an extruded point
US3789725A (en) * 1971-10-06 1974-02-05 B Lindstrom Self-drilling and self-tapping fastener and method of manufacture thereof
US3782056A (en) * 1972-04-27 1974-01-01 Gen Electric Joint structure
US3937120A (en) * 1975-01-28 1976-02-10 Microdot Inc. Drill screw

Also Published As

Publication number Publication date
SE7810509L (sv) 1979-04-07
IT1099243B (it) 1985-09-18
BR7806639A (pt) 1979-05-02
FR2405389A1 (fr) 1979-05-04
IT7828424A0 (it) 1978-10-04
GB2005171A (en) 1979-04-19
JPS5460641A (en) 1979-05-16
DE2843470A1 (de) 1979-04-12
FR2405389B1 (it) 1982-12-03

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Legal Events

Date Code Title Description
PUE Assignment

Owner name: SOCIETE PARISIENNE D OBJETS METALLIQUES S.P.O.M.

PUE Assignment

Owner name: PRODUITS TREFILES DE LA BRIDOIRE (SOCIETE ANONYME

PL Patent ceased