FR2521234B1 - PERFORATING AND SELF-TAPPING SCREW - Google Patents

PERFORATING AND SELF-TAPPING SCREW

Info

Publication number
FR2521234B1
FR2521234B1 FR8301784A FR8301784A FR2521234B1 FR 2521234 B1 FR2521234 B1 FR 2521234B1 FR 8301784 A FR8301784 A FR 8301784A FR 8301784 A FR8301784 A FR 8301784A FR 2521234 B1 FR2521234 B1 FR 2521234B1
Authority
FR
France
Prior art keywords
perforating
self
tapping screw
tapping
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
FR8301784A
Other languages
French (fr)
Other versions
FR2521234A1 (en
Inventor
Edwin John Skierski
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
USM Corp
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 FR2521234A1 publication Critical patent/FR2521234A1/en
Application granted granted Critical
Publication of FR2521234B1 publication Critical patent/FR2521234B1/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
    • 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)
FR8301784A 1982-02-05 1983-02-04 PERFORATING AND SELF-TAPPING SCREW Expired FR2521234B1 (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
FR2521234A1 FR2521234A1 (en) 1983-08-12
FR2521234B1 true FR2521234B1 (en) 1987-02-27

Family

ID=23357597

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8301784A Expired FR2521234B1 (en) 1982-02-05 1983-02-04 PERFORATING AND SELF-TAPPING 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
NZ202991A (en) 1985-11-08
AU1115383A (en) 1983-08-11
FI830206A0 (en) 1983-01-21
CH659295A5 (en) 1987-01-15
ES281729Y (en) 1985-12-01
GB2114922B (en) 1985-12-04
ZA83289B (en) 1983-10-26
ES281729U (en) 1985-05-01
GB2114922A (en) 1983-09-01
NO830382L (en) 1983-08-08
JPS58146711A (en) 1983-09-01
IT1198422B (en) 1988-12-21
DK47783A (en) 1983-08-06
SE8300548L (en) 1983-08-06
DK47783D0 (en) 1983-02-04
AU559300B2 (en) 1987-03-05
GB8302942D0 (en) 1983-03-09
IT8319426A0 (en) 1983-02-04
CA1217368A (en) 1987-02-03
HK83186A (en) 1986-11-14
FI830206L (en) 1983-08-06
NL8300383A (en) 1983-09-01
SE8300548D0 (en) 1983-02-02
FR2521234A1 (en) 1983-08-12
DE3303466A1 (en) 1983-09-08

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Legal Events

Date Code Title Description
ST Notification of lapse