FR2405389B1 - - Google Patents

Info

Publication number
FR2405389B1
FR2405389B1 FR7733881A FR7733881A FR2405389B1 FR 2405389 B1 FR2405389 B1 FR 2405389B1 FR 7733881 A FR7733881 A FR 7733881A FR 7733881 A FR7733881 A FR 7733881A FR 2405389 B1 FR2405389 B1 FR 2405389B1
Authority
FR
France
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.)
Expired
Application number
FR7733881A
Other languages
French (fr)
Other versions
FR2405389A1 (fr
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2405389A1 publication Critical patent/FR2405389A1/fr
Application granted granted Critical
Publication of FR2405389B1 publication Critical patent/FR2405389B1/fr
Granted 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
    • 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
FR7733881A 1977-10-06 1977-11-10 Vis auto-perceuse et auto-taraudeuse Granted FR2405389A1 (fr)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2405389A1 FR2405389A1 (fr) 1979-05-04
FR2405389B1 true FR2405389B1 (de) 1982-12-03

Family

ID=4381210

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7733881A Granted FR2405389A1 (fr) 1977-10-06 1977-11-10 Vis auto-perceuse et auto-taraudeuse

Country Status (8)

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

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 (de) * 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
FR2405389A1 (fr) 1979-05-04
GB2005171A (en) 1979-04-19
BR7806639A (pt) 1979-05-02
CH616211A5 (de) 1980-03-14
JPS5460641A (en) 1979-05-16
DE2843470A1 (de) 1979-04-12
IT7828424A0 (it) 1978-10-04

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Legal Events

Date Code Title Description
TP Transmission of property
TP Transmission of property
TP Transmission of property
ST Notification of lapse