IT7827970A0 - CORROSION-RESISTANT SELF-DRILLING AND SELF-TAPPING SCREWS AND PROCEDURE FOR MANUFACTURING THEM. - Google Patents

CORROSION-RESISTANT SELF-DRILLING AND SELF-TAPPING SCREWS AND PROCEDURE FOR MANUFACTURING THEM.

Info

Publication number
IT7827970A0
IT7827970A0 IT7827970A IT2797078A IT7827970A0 IT 7827970 A0 IT7827970 A0 IT 7827970A0 IT 7827970 A IT7827970 A IT 7827970A IT 2797078 A IT2797078 A IT 2797078A IT 7827970 A0 IT7827970 A0 IT 7827970A0
Authority
IT
Italy
Prior art keywords
self
drilling
corrosion
procedure
manufacturing
Prior art date
Application number
IT7827970A
Other languages
Italian (it)
Other versions
IT1100813B (en
Original Assignee
Deutsher Pty Ltd
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 Deutsher Pty Ltd filed Critical Deutsher Pty Ltd
Publication of IT7827970A0 publication Critical patent/IT7827970A0/en
Application granted granted Critical
Publication of IT1100813B publication Critical patent/IT1100813B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0093—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for screws; for bolts
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/04—Treatment of selected surface areas, e.g. using masks
    • 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
    • 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
    • F16B33/008—Corrosion preventing means
    • 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
    • F16B33/06—Surface treatment of parts furnished with screw-thread, e.g. for preventing seizure or fretting
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Heat Treatment Of Articles (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Dowels (AREA)
IT27970/78A 1977-09-27 1978-09-22 SELF-DRILLING AND SELF-THREADING SCREWS CORROSION RESISTANT AND PROCEDURE FOR MANUFACTURING THEM IT1100813B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPD183477 1977-09-27

Publications (2)

Publication Number Publication Date
IT7827970A0 true IT7827970A0 (en) 1978-09-22
IT1100813B IT1100813B (en) 1985-09-28

Family

ID=3767187

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27970/78A IT1100813B (en) 1977-09-27 1978-09-22 SELF-DRILLING AND SELF-THREADING SCREWS CORROSION RESISTANT AND PROCEDURE FOR MANUFACTURING THEM

Country Status (7)

Country Link
JP (1) JPS5467529A (en)
AU (1) AU3773478A (en)
DE (1) DE2831439A1 (en)
ES (1) ES473645A1 (en)
FR (1) FR2404142A1 (en)
GB (1) GB2006833A (en)
IT (1) IT1100813B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2633076B2 (en) * 1990-10-04 1997-07-23 大同ほくさん株式会社 Hard austenitic stainless steel screw and its manufacturing method
US5419948A (en) * 1990-02-12 1995-05-30 Daidousanso Co., Ltd. Hard austenitic stainless steel screw and a method for manufacturing the same
JP3023222B2 (en) * 1991-08-31 2000-03-21 大同ほくさん株式会社 Hard austenitic stainless steel screw and its manufacturing method
US5460875A (en) * 1990-10-04 1995-10-24 Daidousanso Co., Ltd. Hard austenitic stainless steel screw and a method for manufacturing the same
ES2082151T3 (en) * 1991-09-20 1996-03-16 Daido Hoxan Inc HARD AUSTENITIC STAINLESS STEEL SCREW AND A METHOD FOR MANUFACTURING IT.
US5205466A (en) * 1992-07-15 1993-04-27 Chieh-Chang Tzeng Manufacturing method of austenitic stainless steel self-tapping and self-drilling screw
US6117249A (en) * 1998-02-13 2000-09-12 Kerk Motion Products, Inc. Treating metallic machine parts
JP5584080B2 (en) * 2010-10-05 2014-09-03 平田ネジ株式会社 Hardened layer forming method and hardened layer forming apparatus
DE102010055210A1 (en) * 2010-12-20 2012-06-21 Ejot Gmbh & Co. Kg Low alloy carbon steel screw and method of making such a screw
TWI488974B (en) * 2011-10-26 2015-06-21 Jau Yeou Industry Co Ltd Method of manufacturing a bi-metal screw
DE102017101931B4 (en) * 2017-02-01 2022-05-05 Kamax Holding Gmbh & Co. Kg High strength screw with a softened threaded end

Also Published As

Publication number Publication date
FR2404142A1 (en) 1979-04-20
DE2831439A1 (en) 1979-04-05
AU3773478A (en) 1980-01-10
IT1100813B (en) 1985-09-28
ES473645A1 (en) 1979-04-16
GB2006833A (en) 1979-05-10
JPS5467529A (en) 1979-05-31

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