FI770232A - - Google Patents

Info

Publication number
FI770232A
FI770232A FI770232A FI770232A FI770232A FI 770232 A FI770232 A FI 770232A FI 770232 A FI770232 A FI 770232A FI 770232 A FI770232 A FI 770232A FI 770232 A FI770232 A FI 770232A
Authority
FI
Finland
Application number
FI770232A
Other languages
Finnish (fi)
Inventor
Hisayosi Yamamoto
Original Assignee
Nordisk Kartro Ab
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 Nordisk Kartro Ab filed Critical Nordisk Kartro Ab
Publication of FI770232A publication Critical patent/FI770232A/fi

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
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
    • F16B5/0275—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread the screw-threaded element having at least two axially separated threaded portions
    • 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
    • F16B25/0057—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
    • F16B33/00—Features common to bolt and nut
    • F16B33/02—Shape of thread; Special thread-forms
    • F16B2033/025—Shape of thread; Special thread-forms with left-hand thread
FI770232A 1976-03-10 1977-01-20 FI770232A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2649176A JPS52109070A (en) 1976-03-10 1976-03-10 Screw

Publications (1)

Publication Number Publication Date
FI770232A true FI770232A (ja) 1977-09-11

Family

ID=12194958

Family Applications (1)

Application Number Title Priority Date Filing Date
FI770232A FI770232A (ja) 1976-03-10 1977-01-20

Country Status (8)

Country Link
JP (1) JPS52109070A (ja)
DK (1) DK30077A (ja)
ES (1) ES236469Y (ja)
FI (1) FI770232A (ja)
FR (1) FR2343916A1 (ja)
NL (1) NL7702512A (ja)
NO (1) NO770829L (ja)
SE (1) SE7700295L (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58137725U (ja) * 1982-03-13 1983-09-16 鈴木　温雄 波形石綿スレ−ト等取付用きりねじ
JPS6272912A (ja) * 1985-09-20 1987-04-03 株式会社　ヤマヒロ タツピングねじ
FR2613001B1 (fr) * 1987-03-27 1989-06-16 Bandera Robert Procede et dispositif pour la fixation de securite des pentures sur une paroi de volet
JPH04219511A (ja) * 1990-12-17 1992-08-10 オーエスジー販売株式会社 弛み防止ねじ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124031A (en) * 1964-03-10 Screw fastener

Also Published As

Publication number Publication date
NL7702512A (nl) 1977-09-13
ES236469U (es) 1978-07-16
JPS52109070A (en) 1977-09-12
ES236469Y (es) 1978-11-16
NO770829L (no) 1977-09-13
DK30077A (da) 1977-09-11
SE7700295L (sv) 1977-09-11
FR2343916A1 (fr) 1977-10-07

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Legal Events

Date Code Title Description
FA Application withdrawn

Owner name: NORDISK KARTRO AKTIEBOLAG