DE3303466A1 - Drehbare, ein gewindeloch bohrende und gewindeformende schraube - Google Patents

Drehbare, ein gewindeloch bohrende und gewindeformende schraube

Info

Publication number
DE3303466A1
DE3303466A1 DE19833303466 DE3303466A DE3303466A1 DE 3303466 A1 DE3303466 A1 DE 3303466A1 DE 19833303466 DE19833303466 DE 19833303466 DE 3303466 A DE3303466 A DE 3303466A DE 3303466 A1 DE3303466 A1 DE 3303466A1
Authority
DE
Germany
Prior art keywords
cutting
thread
clearing
leading end
fastener
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.)
Withdrawn
Application number
DE19833303466
Other languages
German (de)
English (en)
Inventor
Edwin John 42718 Campbellsville Ky. 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.)
Emhart Industries Inc
Original Assignee
Usm Corp 06032 Farmington Conn
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 06032 Farmington Conn, USM Corp filed Critical Usm Corp 06032 Farmington Conn
Publication of DE3303466A1 publication Critical patent/DE3303466A1/de
Withdrawn legal-status Critical Current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)
DE19833303466 1982-02-05 1983-02-02 Drehbare, ein gewindeloch bohrende und gewindeformende schraube Withdrawn DE3303466A1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE3303466A1 true DE3303466A1 (de) 1983-09-08

Family

ID=23357597

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19833303466 Withdrawn DE3303466A1 (de) 1982-02-05 1983-02-02 Drehbare, ein gewindeloch bohrende und gewindeformende schraube

Country Status (17)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3700499A1 (de) * 1986-01-09 1987-07-16 Usm Corp Bohrender und selbstschneidender befestiger

Families Citing this family (2)

* 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
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 (it) * 1977-07-21 1985-05-21 Mustad O & Figlio Spa Vite autoforante ed autofilettante
DE3022187C2 (de) * 1980-06-13 1983-08-11 Itw-Ateco Gmbh, 2000 Norderstedt Bohrschraube
FR2751407A1 (fr) * 1996-07-16 1998-01-23 Motorola Semiconducteurs Detecteur et procede permettant de detecter un seuil predetermine pour un parametre

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3700499A1 (de) * 1986-01-09 1987-07-16 Usm Corp Bohrender und selbstschneidender befestiger

Also Published As

Publication number Publication date
NO830382L (no) 1983-08-08
IT8319426A0 (it) 1983-02-04
FI830206A0 (fi) 1983-01-21
GB2114922B (en) 1985-12-04
JPS58146711A (ja) 1983-09-01
FR2521234B1 (fr) 1987-02-27
GB8302942D0 (en) 1983-03-09
AU1115383A (en) 1983-08-11
DK47783D0 (da) 1983-02-04
AU559300B2 (en) 1987-03-05
IT1198422B (it) 1988-12-21
CA1217368A (en) 1987-02-03
SE8300548L (sv) 1983-08-06
FR2521234A1 (fr) 1983-08-12
ES281729Y (es) 1985-12-01
NZ202991A (en) 1985-11-08
CH659295A5 (de) 1987-01-15
ES281729U (es) 1985-05-01
FI830206L (fi) 1983-08-06
SE8300548D0 (sv) 1983-02-02
HK83186A (en) 1986-11-14
ZA83289B (en) 1983-10-26
NL8300383A (nl) 1983-09-01
DK47783A (da) 1983-08-06
GB2114922A (en) 1983-09-01

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: EMHART INDUSTRIES, INC., FARMINGTON, CONN., US

8128 New person/name/address of the agent

Representative=s name: BARDEHLE, H., DIPL.-ING. DOST, W., DIPL.-CHEM. DR.

8139 Disposal/non-payment of the annual fee