ZA762222B - Sheet screw - Google Patents

Sheet screw

Info

Publication number
ZA762222B
ZA762222B ZA762222A ZA762222A ZA762222B ZA 762222 B ZA762222 B ZA 762222B ZA 762222 A ZA762222 A ZA 762222A ZA 762222 A ZA762222 A ZA 762222A ZA 762222 B ZA762222 B ZA 762222B
Authority
ZA
South Africa
Prior art keywords
sheet screw
screw
sheet
Prior art date
Application number
ZA762222A
Inventor
F Hirabayashi
Original Assignee
Fumio Hirabayashi F
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 Fumio Hirabayashi F filed Critical Fumio Hirabayashi F
Publication of ZA762222B publication Critical patent/ZA762222B/en

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
    • F16B25/106—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
ZA762222A 1975-04-25 1976-04-13 Sheet screw ZA762222B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1975057430U JPS5435255Y2 (en) 1975-04-25 1975-04-25

Publications (1)

Publication Number Publication Date
ZA762222B true ZA762222B (en) 1977-04-27

Family

ID=13055429

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA762222A ZA762222B (en) 1975-04-25 1976-04-13 Sheet screw

Country Status (2)

Country Link
JP (1) JPS5435255Y2 (en)
ZA (1) ZA762222B (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5136285Y2 (en) * 1971-07-06 1976-09-06
JPS506918A (en) * 1973-05-26 1975-01-24

Also Published As

Publication number Publication date
JPS51137061U (en) 1976-11-05
JPS5435255Y2 (en) 1979-10-26

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