GB1003888A - Improvements in self tapping screws - Google Patents

Improvements in self tapping screws

Info

Publication number
GB1003888A
GB1003888A GB4354761A GB4354761A GB1003888A GB 1003888 A GB1003888 A GB 1003888A GB 4354761 A GB4354761 A GB 4354761A GB 4354761 A GB4354761 A GB 4354761A GB 1003888 A GB1003888 A GB 1003888A
Authority
GB
United Kingdom
Prior art keywords
tapping screws
self tapping
self
screws
tapping
Prior art date
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
GB4354761A
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.)
LENNEWERK ALTENA GmbH
Original Assignee
LENNEWERK ALTENA GmbH
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 LENNEWERK ALTENA GmbH filed Critical LENNEWERK ALTENA GmbH
Publication of GB1003888A publication Critical patent/GB1003888A/en
Expired 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
    • F16B25/10—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
    • 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
    • F16B25/0042—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
    • F16B25/0036—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
    • F16B25/0063—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 with a non-threaded portion on the shaft of the screw

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Drilling Tools (AREA)
GB4354761A 1960-12-19 1961-12-05 Improvements in self tapping screws Expired GB1003888A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEL0037773 1960-12-19
DE1961L0038139 DE1292449B (en) 1960-12-19 1961-02-07 Self-tapping screw

Publications (1)

Publication Number Publication Date
GB1003888A true GB1003888A (en) 1965-09-08

Family

ID=25985385

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4354761A Expired GB1003888A (en) 1960-12-19 1961-12-05 Improvements in self tapping screws

Country Status (3)

Country Link
DE (1) DE1292449B (en)
GB (1) GB1003888A (en)
SE (1) SE308637B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2275979A (en) * 1993-03-09 1994-09-14 Cobra Marketing Limited Anchorage for screws in plasterboard
WO2011047933A1 (en) * 2009-10-23 2011-04-28 Swg Schraubenwerk Gaisbach Gmbh Drilling screw

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5258379U (en) * 1975-10-24 1977-04-27
DE9211354U1 (en) * 1992-08-24 1994-01-05 EJOT Eberhard Jaeger GmbH & Co KG, 57334 Bad Laasphe Self-drilling and thread-forming screw

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH50995A (en) * 1910-01-13 1911-07-17 August Mueller Carl Wood screw
US1809758A (en) * 1926-07-23 1931-06-09 Rosenberg Heyman Fastener
US2479730A (en) * 1944-05-10 1949-08-23 Lockheed Aircraft Corp Screw
US3093028A (en) * 1959-02-05 1963-06-11 Eaton Mfg Co Self-drilling and self-tapping threaded fastener

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2275979A (en) * 1993-03-09 1994-09-14 Cobra Marketing Limited Anchorage for screws in plasterboard
GB2275979B (en) * 1993-03-09 1996-07-10 Cobra Marketing Limited Improvements in or relating to self-drilling anchorages
WO2011047933A1 (en) * 2009-10-23 2011-04-28 Swg Schraubenwerk Gaisbach Gmbh Drilling screw
US9181970B2 (en) 2009-10-23 2015-11-10 Swg Schraubenwerk Gaisbach Gmbh Drilling screw

Also Published As

Publication number Publication date
SE308637B (en) 1969-02-17
DE1292449B (en) 1969-04-10

Similar Documents

Publication Publication Date Title
CY309A (en) Benzinide
GB1003888A (en) Improvements in self tapping screws
GB1000111A (en) Improvements in fluteless taps
AU241091B2 (en) Self tapping screws
AU6083860A (en) Self tapping screws
AU253569B2 (en) Improvements in hospitalbeds
AU246675B2 (en) Improvements in electron-guns
AU234783B2 (en) Improvements in lamp-fittings
AU237596B2 (en) Improvements in equjipoise mechanism
AU244647B2 (en) Improvements in sliding-clasp fasteners
AU239801B2 (en) Improvements in sectional boilers
AU236665B2 (en) Improvements in sectional boilers
AU239096B2 (en) Improvements in explosively-operated devices
AU239090B2 (en) Improvements in pressure-multiplying devices
CA23374S (en) Humidifier
AU257077B2 (en) Improvements in register mechanisms
AU255923B2 (en) Improvements in register mechanisms
AU247789B2 (en) Improvements in or relating to thread
AU5986360A (en) Improvements in hospitalbeds
AU5717460A (en) Improvements in lamp-fittings
AU6474360A (en) Improvements in electron-guns
AU251105B2 (en) Improvements in or relating to supply circuit arrangements
AU244667B2 (en) Improvements in or relating togas-heated appliances
CA599972A (en) Scaling circuits
AU248318B2 (en) Improved screw