ZA804832B - Self drilling and self threading screws - Google Patents

Self drilling and self threading screws

Info

Publication number
ZA804832B
ZA804832B ZA00804832A ZA804832A ZA804832B ZA 804832 B ZA804832 B ZA 804832B ZA 00804832 A ZA00804832 A ZA 00804832A ZA 804832 A ZA804832 A ZA 804832A ZA 804832 B ZA804832 B ZA 804832B
Authority
ZA
South Africa
Prior art keywords
packing material
drilling
self
drill
srew
Prior art date
Application number
ZA00804832A
Other languages
English (en)
Inventor
Gurney Harold Keith
Harold Keith Gurney
Lee Terence
Terence Lee
Original Assignee
British Screw Co Ltd
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 British Screw Co Ltd filed Critical British Screw Co Ltd
Publication of ZA804832B publication Critical patent/ZA804832B/xx

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
    • 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
    • F16B25/0031—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 screw being designed to be screwed into different materials, e.g. a layered structure or through metallic and wooden parts
    • 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
    • F16B25/0052—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 having indentations, notches or the like in order to improve the cutting behaviour
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Dowels (AREA)
  • Pens And Brushes (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Vending Machines For Individual Products (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
ZA00804832A 1979-08-11 1980-08-08 Self drilling and self threading screws ZA804832B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7928017A GB2055652A (en) 1979-08-11 1979-08-11 Self-drilling self tapping screw

Publications (1)

Publication Number Publication Date
ZA804832B true ZA804832B (en) 1982-10-27

Family

ID=10507146

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00804832A ZA804832B (en) 1979-08-11 1980-08-08 Self drilling and self threading screws

Country Status (11)

Country Link
EP (1) EP0024118B1 (no)
JP (1) JPS5631519A (no)
AT (1) ATE11326T1 (no)
AU (1) AU6072180A (no)
DE (1) DE3069969D1 (no)
DK (1) DK317880A (no)
ES (1) ES252520Y (no)
GB (1) GB2055652A (no)
NO (1) NO802288L (no)
PT (1) PT71646B (no)
ZA (1) ZA804832B (no)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8718098U1 (de) * 1986-03-13 1994-03-03 Turchan, Manuel C., Dearborn, Mich. Vorrichtung zum Herstellen einer Gewindebohrung
DE3620372C3 (de) * 1986-06-18 1995-04-20 Rockenfeller Gmbh & Co Kg Nagel zum Eintreiben in vorgebohrte Löcher an Bauteilen aus hartem Material
DE8804654U1 (de) * 1988-04-08 1988-08-11 Adolf Würth GmbH & Co. KG, 74653 Künzelsau Selbstbohrende Schraube
JP3245186B2 (ja) * 1991-04-04 2002-01-07 株式会社シマノ 自転車用変速操作装置
US5964560A (en) * 1995-08-15 1999-10-12 Henriksen; Arne Screw fastener
US6789991B2 (en) * 2002-04-23 2004-09-14 Kuo-Tai Hsu Screw
EP2289647A1 (en) 2009-08-31 2011-03-02 Ying-Chin Chao Method for manufacturing self-tapping screw with helical chip discharge channel and self-tapping screw

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE65519C (de) * E. PARR in Isleworth, Grafsch. Middlesex, England Holzschraube mit Bohrnuth
DD90460A (no) *
US2232336A (en) * 1938-07-18 1941-02-18 Meersteiner Frieda Fastening sorew
US2302675A (en) * 1938-09-08 1942-11-24 Economy Screw Corp Self-tapping screw
US2293930A (en) * 1939-06-17 1942-08-25 Groov Pin Corp Screw
FR1118057A (fr) * 1950-03-14 1956-05-31 Perfectionnement aux vis, pivots et tire-fond à bois
GB1120991A (en) * 1965-02-02 1968-07-24 G K N Screws And Fasteners Ltd Improvements relating to wood screws
CH501068A (de) * 1967-11-20 1970-12-31 S Jr Elliott Olin Zusammengesetzte Kardenplatte
AU475406B2 (en) * 1973-07-18 1976-01-08 W. A. Deutsher Proprietary Limited Self drilling screws
SE398149B (sv) * 1975-06-05 1977-12-05 Bulten Kanthal Ab Sjelvgengande skruv

Also Published As

Publication number Publication date
EP0024118A1 (en) 1981-02-25
GB2055652A (en) 1981-03-11
ES252520U (es) 1980-11-16
ES252520Y (es) 1981-08-16
DK317880A (da) 1981-02-12
ATE11326T1 (de) 1985-02-15
EP0024118B1 (en) 1985-01-16
PT71646B (en) 1981-06-26
JPS5631519A (en) 1981-03-30
NO802288L (no) 1981-02-12
AU6072180A (en) 1981-02-19
DE3069969D1 (en) 1985-02-28
PT71646A (en) 1980-09-01

Similar Documents

Publication Publication Date Title
FI924606A0 (fi) Ankare
NZ511382A (en) A self countersinking screw fastener
WO2000028222A8 (en) Anchor bolt
DE59401955D1 (de) Gewindeformende schraube
SE8501699L (sv) Skarvgenga for slagborrning
SE7714845L (sv) Sjelvborrande skruv
DE3572856D1 (en) Drill element for percussion drilling
HU9900805D0 (en) Self-tapping screw
ZA804832B (en) Self drilling and self threading screws
ES258959U (es) Tornillo de taladrar
SE8304638D0 (sv) Tvadelad borrkrona
ATE19542T1 (de) Selbstschneidende schnellbauschraube.
SE7603878L (sv) Borrskruv
GB1120388A (en) An extension rod for a percussion drill
SE7909149L (sv) Borrningsverktyg
DE3875710D1 (de) Gesteinsbohrer.
AU1348892A (en) Screw for shallow blind holes
TW235989B (en) Screw particularly for hard wood
ATE28499T1 (de) Ankerstange.
ES1047166U (es) Tornillo autotaladrante para chapas finas.
JPS5430582A (en) Tool for driving and screwing screw spikes
DE3062720D1 (en) Thread cutting screw
ES478513A1 (es) Mejoras en martillos rompedores hidraulicos.
ES239386U (es) Util para filetear en rosca y avellanar.
ES286580U (es) Embrague para atornillar