JPH0261642B2 - - Google Patents

Info

Publication number
JPH0261642B2
JPH0261642B2 JP2590485A JP2590485A JPH0261642B2 JP H0261642 B2 JPH0261642 B2 JP H0261642B2 JP 2590485 A JP2590485 A JP 2590485A JP 2590485 A JP2590485 A JP 2590485A JP H0261642 B2 JPH0261642 B2 JP H0261642B2
Authority
JP
Japan
Prior art keywords
chisel edge
longitudinal axis
drill
shank
rake
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
JP2590485A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61282614A (ja
Inventor
Kameo Doi
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.)
NISUKO KK
Original Assignee
NISUKO KK
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 NISUKO KK filed Critical NISUKO KK
Priority to JP2590485A priority Critical patent/JPS61282614A/ja
Priority to DE19863604390 priority patent/DE3604390A1/de
Priority to US06/828,645 priority patent/US4730969A/en
Publication of JPS61282614A publication Critical patent/JPS61282614A/ja
Publication of JPH0261642B2 publication Critical patent/JPH0261642B2/ja
Granted 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
    • F16B25/10—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Drilling Tools (AREA)
JP2590485A 1985-02-12 1985-02-12 ドリルねじ Granted JPS61282614A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2590485A JPS61282614A (ja) 1985-02-12 1985-02-12 ドリルねじ
DE19863604390 DE3604390A1 (de) 1985-02-12 1986-02-12 Selbstbohrende schraube
US06/828,645 US4730969A (en) 1985-02-12 1986-02-12 Self-drilling screw

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2590485A JPS61282614A (ja) 1985-02-12 1985-02-12 ドリルねじ

Publications (2)

Publication Number Publication Date
JPS61282614A JPS61282614A (ja) 1986-12-12
JPH0261642B2 true JPH0261642B2 (en]) 1990-12-20

Family

ID=12178770

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2590485A Granted JPS61282614A (ja) 1985-02-12 1985-02-12 ドリルねじ

Country Status (1)

Country Link
JP (1) JPS61282614A (en])

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2631387B2 (ja) * 1988-05-09 1997-07-16 株式会社トープラ ドリルねじ
JPH0668283B2 (ja) * 1988-07-29 1994-08-31 日東精工株式会社 圧造成形ドリルねじ
DE102008000652B4 (de) * 2008-03-13 2018-12-06 Hilti Aktiengesellschaft Selbstbohrschraube
CA2966173C (en) 2014-11-04 2023-02-21 DePuy Synthes Products, Inc. Blunt tip bone screw

Also Published As

Publication number Publication date
JPS61282614A (ja) 1986-12-12

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees