GB772810A - Improvements in or relating to masonry screws - Google Patents

Improvements in or relating to masonry screws

Info

Publication number
GB772810A
GB772810A GB27491/54A GB2749154A GB772810A GB 772810 A GB772810 A GB 772810A GB 27491/54 A GB27491/54 A GB 27491/54A GB 2749154 A GB2749154 A GB 2749154A GB 772810 A GB772810 A GB 772810A
Authority
GB
United Kingdom
Prior art keywords
shank
self
relating
screw
bricks
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
GB27491/54A
Other languages
English (en)
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 GB772810A publication Critical patent/GB772810A/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
    • 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
    • F16B25/0026—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 a hard non-organic material, e.g. stone, concrete or drywall
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Connection Of Plates (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Dowels (AREA)
GB27491/54A 1953-10-06 1954-09-23 Improvements in or relating to masonry screws Expired GB772810A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE772810X 1953-10-06

Publications (1)

Publication Number Publication Date
GB772810A true GB772810A (en) 1957-04-17

Family

ID=6682497

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27491/54A Expired GB772810A (en) 1953-10-06 1954-09-23 Improvements in or relating to masonry screws

Country Status (3)

Country Link
BE (1) BE532070A (enrdf_load_stackoverflow)
FR (1) FR1108679A (enrdf_load_stackoverflow)
GB (1) GB772810A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3288015A (en) * 1965-06-14 1966-11-29 Walter M Hanneman Drilling and thread forming screw
GB2375153A (en) * 2001-05-02 2002-11-06 Trifast Plc Screw fastening
WO2010093329A1 (en) * 2009-02-16 2010-08-19 Unisteel Technology Limited Self-tapping thread forming screw and corresponding thread roll die
EP2160518A4 (en) * 2007-06-20 2014-03-12 Unisteel Technology Internat Ltd THREAD-CUTTING SCREW THREAD AND CORRESPONDING THREAD ROLLING TOOL

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2754870C3 (de) * 1977-12-09 1981-03-19 Eberhard Jaeger Gmbh & Co Kg, 5928 Laasphe Selbstfurchende Schraube
DE3207975A1 (de) * 1982-03-05 1983-09-15 Richard Bergner GmbH & Co, 8540 Schwabach Gewindeselbstformende schraube

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3288015A (en) * 1965-06-14 1966-11-29 Walter M Hanneman Drilling and thread forming screw
GB2375153A (en) * 2001-05-02 2002-11-06 Trifast Plc Screw fastening
EP2160518A4 (en) * 2007-06-20 2014-03-12 Unisteel Technology Internat Ltd THREAD-CUTTING SCREW THREAD AND CORRESPONDING THREAD ROLLING TOOL
WO2010093329A1 (en) * 2009-02-16 2010-08-19 Unisteel Technology Limited Self-tapping thread forming screw and corresponding thread roll die

Also Published As

Publication number Publication date
BE532070A (enrdf_load_stackoverflow)
FR1108679A (fr) 1956-01-16

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