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ES236469Y - A PERFECTED SCREW. - Google Patents

A PERFECTED SCREW.

Info

Publication number
ES236469Y
ES236469Y ES1977236469U ES236469U ES236469Y ES 236469 Y ES236469 Y ES 236469Y ES 1977236469 U ES1977236469 U ES 1977236469U ES 236469 U ES236469 U ES 236469U ES 236469 Y ES236469 Y ES 236469Y
Authority
ES
Spain
Prior art keywords
perfected
screw
perfected screw
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
ES1977236469U
Other languages
Spanish (es)
Other versions
ES236469U (en
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 filed Critical
Publication of ES236469U publication Critical patent/ES236469U/en
Application granted granted Critical
Publication of ES236469Y publication Critical patent/ES236469Y/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
  • Finishing Walls (AREA)
  • Joining Of Corner Units Of Frames Or Wings (AREA)
  • Sheet Holders (AREA)
  • Portable Nailing Machines And Staplers (AREA)
ES1977236469U 1976-03-10 1977-03-09 A PERFECTED SCREW. Expired ES236469Y (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
ES236469U ES236469U (en) 1978-07-16
ES236469Y true ES236469Y (en) 1978-11-16

Family

ID=12194958

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1977236469U Expired ES236469Y (en) 1976-03-10 1977-03-09 A PERFECTED SCREW.

Country Status (8)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58137725U (en) * 1982-03-13 1983-09-16 鈴木　温雄 Drill screw for mounting corrugated asbestos slate, etc.
JPS6272912A (en) * 1985-09-20 1987-04-03 株式会社　ヤマヒロ Tapping screw
FR2613001B1 (en) * 1987-03-27 1989-06-16 Bandera Robert METHOD AND DEVICE FOR SECURING THE HINGES TO A SHUTTER WALL
JPH04219511A (en) * 1990-12-17 1992-08-10 オーエスジー販売株式会社 Looseness preventive screw

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
NO770829L (en) 1977-09-13
NL7702512A (en) 1977-09-13
JPS52109070A (en) 1977-09-12
DK30077A (en) 1977-09-11
FR2343916A1 (en) 1977-10-07
SE7700295L (en) 1977-09-11
ES236469U (en) 1978-07-16
FI770232A (en) 1977-09-11

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