IT994462B - Perfezionamento nelle viti auto perforanti e auto filettanti - Google Patents

Perfezionamento nelle viti auto perforanti e auto filettanti

Info

Publication number
IT994462B
IT994462B IT53229/73A IT5322973A IT994462B IT 994462 B IT994462 B IT 994462B IT 53229/73 A IT53229/73 A IT 53229/73A IT 5322973 A IT5322973 A IT 5322973A IT 994462 B IT994462 B IT 994462B
Authority
IT
Italy
Prior art keywords
self
drilling
improvement
threading screws
threading
Prior art date
Application number
IT53229/73A
Other languages
English (en)
Original Assignee
Res Engineering And Manufactur
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 Res Engineering And Manufactur filed Critical Res Engineering And Manufactur
Application granted granted Critical
Publication of IT994462B publication Critical patent/IT994462B/it

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
    • F16B25/0057—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 screw having distinct axial zones, e.g. multiple axial thread sections with different pitch or thread cross-sections
    • 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
    • F16B25/10—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)
  • Drilling Tools (AREA)
  • Dowels (AREA)
  • Connection Of Plates (AREA)
  • Forging (AREA)
IT53229/73A 1972-11-01 1973-10-19 Perfezionamento nelle viti auto perforanti e auto filettanti IT994462B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00302886A US3827331A (en) 1972-11-01 1972-11-01 Self-extruding screw

Publications (1)

Publication Number Publication Date
IT994462B true IT994462B (it) 1975-10-20

Family

ID=23169631

Family Applications (1)

Application Number Title Priority Date Filing Date
IT53229/73A IT994462B (it) 1972-11-01 1973-10-19 Perfezionamento nelle viti auto perforanti e auto filettanti

Country Status (12)

Country Link
US (1) US3827331A (it)
JP (1) JPS4980455A (it)
BE (1) BE812334A (it)
CA (1) CA986756A (it)
CH (1) CH583860A5 (it)
DE (1) DE2354159A1 (it)
ES (1) ES420130A1 (it)
FR (1) FR2205129A5 (it)
GB (1) GB1377470A (it)
IT (1) IT994462B (it)
NL (1) NL7403486A (it)
SE (1) SE397713B (it)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU475406B2 (en) * 1973-07-18 1976-01-08 W. A. Deutsher Proprietary Limited Self drilling screws
US4040328A (en) * 1976-03-10 1977-08-09 Research Engineering & Manufacturing, Inc. Thread-forming fastener having dual lobulation and dies for making the same
US4034641A (en) * 1976-07-09 1977-07-12 Illinois Tool Works Inc. Self-drilling and tapping masonry anchor
JPS61567Y2 (it) * 1978-01-18 1986-01-10
JPS60143914U (ja) * 1984-03-05 1985-09-24 ニスコ株式会社 薄金属板用ねじ
US4645396A (en) * 1984-12-19 1987-02-24 Textron Inc. Wood-metal drill screw
JPS6216835A (ja) * 1985-07-12 1987-01-26 Shinjiyou Seisakusho:Kk リ−マ付きドリルねじの製造方法及び製造装置
US4844676A (en) * 1986-10-23 1989-07-04 Pheoll Manufacturing Company, Inc. Self-penetrating screw
JPH041371Y2 (it) * 1987-02-16 1992-01-17
GB2239920B (en) * 1990-01-16 1993-06-30 Deutsher Pty Ltd Improved screw and method of making same
SE470177B (sv) * 1992-03-23 1993-11-29 Radi Medical Systems Anordning för håltagning i hård vävnad och punktionsnål
FR2699616B1 (fr) * 1992-12-18 1995-03-10 Raymond Lebraut Vis foreuse autotaraudeuse à tête surmoulée réalisée en alliage léger pour fixation de panneaux divers et procédé en faisant application.
US6669396B2 (en) 1997-06-09 2003-12-30 Sfs Industrie Holding Ag Connecting element for connecting at least two wooden construction parts and a joint plate
DE19803672A1 (de) * 1998-01-30 1999-08-05 Adolf Wuerth Gmbh & Co Kg Selbstbohrende Schraube
WO2003001072A1 (en) * 2001-06-21 2003-01-03 Black & Decker Inc. Method and apparatus for fastening steel framing using helical features
US6623227B2 (en) * 2001-07-27 2003-09-23 Copemaster, Llc Drill screw for adjusting molding relative to an underlying wall
DE102006034584A1 (de) * 2006-07-26 2008-01-31 Ejot Gmbh & Co. Kg Loch- und gewindeformende Schraube
US20100119327A1 (en) * 2008-11-10 2010-05-13 Chan Liang Enterprise Co., Ltd. Self-drilling screw with multi-drilling portions
EP2187068A1 (en) * 2008-11-13 2010-05-19 Chan Liang Enterprise Co., Ltd Self-drilling screw with multi-drilling portions
DE102009045951B4 (de) 2009-10-23 2020-07-16 Swg Schraubenwerk Gaisbach Gmbh Bohrschraube
JP5342996B2 (ja) * 2009-12-28 2013-11-13 株式会社神山鉄工所 建築用ネジの締結方法およびそれに用いられる締結工具
DE102012215645C5 (de) * 2012-06-15 2021-10-28 Reisser Schraubentechnik Gmbh Schraube und ihre Verwendung
US9228603B2 (en) * 2014-05-06 2016-01-05 Teng-Hung Lin Crack-proof screw
US9709086B2 (en) 2014-08-26 2017-07-18 Illinois Tool Works Inc. Self-drilling, self-cleaning panel fastener
US20170152881A1 (en) * 2015-11-27 2017-06-01 Hui-Ju Yang Screw
TW201821704A (zh) * 2016-12-02 2018-06-16 趙穎慶 螺絲結構
US20210140455A1 (en) * 2019-10-14 2021-05-13 Geolyn Holdings LLC Apparatus and method for anchoring fasteners
EP3855027B1 (en) * 2020-01-21 2023-11-15 Kuo-Tai Hsu Screw with hole-enlarging portion
TWM598349U (zh) * 2020-03-05 2020-07-11 緯紘精密工業股份有限公司 圓弧螺旋螺絲
TWI838791B (zh) * 2022-07-14 2024-04-11 吉瞬興業股份有限公司 鑽尾螺絲結構及其製造方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1643679A (en) * 1926-04-06 1927-09-27 W L Brubaker & Bros Company Flue-sheet tool
US3195156A (en) * 1961-06-27 1965-07-20 Res Engineering And Mfg Inc Method of producing thread swaging devices
US3156152A (en) * 1961-09-08 1964-11-10 Reed & Prince Mfg Company Self-tapping driving screw fastener
US3438299A (en) * 1968-01-26 1969-04-15 Illinois Tool Works Extruding screw
US3739682A (en) * 1969-04-14 1973-06-19 Olympic Fastening Syst Inc Self drilling, reaming and tapping screw
US3648560A (en) * 1970-06-09 1972-03-14 Keystone Consolidated Ind Inc Self-extruding screw
US3665801A (en) * 1970-08-25 1972-05-30 Textron Inc Drill screw
BE788525A (fr) * 1971-09-07 1973-03-07 Illinois Tool Works Extruderende schroef

Also Published As

Publication number Publication date
JPS4980455A (it) 1974-08-02
NL7403486A (nl) 1975-09-17
US3827331A (en) 1974-08-06
CA986756A (en) 1976-04-06
DE2354159A1 (de) 1974-05-09
GB1377470A (en) 1974-12-18
SE397713B (sv) 1977-11-14
ES420130A1 (es) 1976-03-16
FR2205129A5 (it) 1974-05-24
BE812334A (fr) 1974-07-01
CH583860A5 (it) 1977-01-14

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