IT1198422B - SELF-SNAPPING AND SELF-SCREWING SCREW - Google Patents

SELF-SNAPPING AND SELF-SCREWING SCREW

Info

Publication number
IT1198422B
IT1198422B IT19426/83A IT1942683A IT1198422B IT 1198422 B IT1198422 B IT 1198422B IT 19426/83 A IT19426/83 A IT 19426/83A IT 1942683 A IT1942683 A IT 1942683A IT 1198422 B IT1198422 B IT 1198422B
Authority
IT
Italy
Prior art keywords
self
snapping
screwing screw
screwing
screw
Prior art date
Application number
IT19426/83A
Other languages
Italian (it)
Other versions
IT8319426A0 (en
Inventor
Edwin John Skierski
Original Assignee
Usm Corp
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 Usm Corp filed Critical Usm Corp
Publication of IT8319426A0 publication Critical patent/IT8319426A0/en
Application granted granted Critical
Publication of IT1198422B publication Critical patent/IT1198422B/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
    • F16B25/001—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
    • 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)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Drilling Tools (AREA)
  • Joining Of Building Structures In Genera (AREA)
IT19426/83A 1982-02-05 1983-02-04 SELF-SNAPPING AND SELF-SCREWING SCREW IT1198422B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US34602382A 1982-02-05 1982-02-05

Publications (2)

Publication Number Publication Date
IT8319426A0 IT8319426A0 (en) 1983-02-04
IT1198422B true IT1198422B (en) 1988-12-21

Family

ID=23357597

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19426/83A IT1198422B (en) 1982-02-05 1983-02-04 SELF-SNAPPING AND SELF-SCREWING SCREW

Country Status (17)

Country Link
JP (1) JPS58146711A (en)
AU (1) AU559300B2 (en)
CA (1) CA1217368A (en)
CH (1) CH659295A5 (en)
DE (1) DE3303466A1 (en)
DK (1) DK47783A (en)
ES (1) ES281729Y (en)
FI (1) FI830206L (en)
FR (1) FR2521234B1 (en)
GB (1) GB2114922B (en)
HK (1) HK83186A (en)
IT (1) IT1198422B (en)
NL (1) NL8300383A (en)
NO (1) NO830382L (en)
NZ (1) NZ202991A (en)
SE (1) SE8300548L (en)
ZA (1) ZA83289B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4836730A (en) * 1985-01-17 1989-06-06 Emhart Industries, Inc. Fastener
CH672171A5 (en) * 1986-01-09 1989-10-31 Emhart Ind
GB2233920A (en) * 1989-07-18 1991-01-23 Sandvik Ltd Fluted drill

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3395603A (en) * 1966-09-13 1968-08-06 Parker Kaion Corp Rotary threaded fasteners
US3789725A (en) * 1971-10-06 1974-02-05 B Lindstrom Self-drilling and self-tapping fastener and method of manufacture thereof
IT1083022B (en) * 1977-07-21 1985-05-21 Mustad O & Figlio Spa SELF-PERFORATING AND SELF-THREADING SCREW
DE3022187C2 (en) * 1980-06-13 1983-08-11 Itw-Ateco Gmbh, 2000 Norderstedt Drilling screw
FR2751407A1 (en) * 1996-07-16 1998-01-23 Motorola Semiconducteurs Threshold detector, for water level in washing machine or dish-washer

Also Published As

Publication number Publication date
CH659295A5 (en) 1987-01-15
FR2521234B1 (en) 1987-02-27
ZA83289B (en) 1983-10-26
ES281729Y (en) 1985-12-01
SE8300548L (en) 1983-08-06
CA1217368A (en) 1987-02-03
SE8300548D0 (en) 1983-02-02
GB2114922B (en) 1985-12-04
HK83186A (en) 1986-11-14
AU1115383A (en) 1983-08-11
FR2521234A1 (en) 1983-08-12
IT8319426A0 (en) 1983-02-04
DK47783A (en) 1983-08-06
GB2114922A (en) 1983-09-01
DK47783D0 (en) 1983-02-04
AU559300B2 (en) 1987-03-05
FI830206L (en) 1983-08-06
NO830382L (en) 1983-08-08
FI830206A0 (en) 1983-01-21
NL8300383A (en) 1983-09-01
DE3303466A1 (en) 1983-09-08
JPS58146711A (en) 1983-09-01
ES281729U (en) 1985-05-01
NZ202991A (en) 1985-11-08
GB8302942D0 (en) 1983-03-09

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