JPS5249109B2 - - Google Patents

Info

Publication number
JPS5249109B2
JPS5249109B2 JP46100975A JP10097571A JPS5249109B2 JP S5249109 B2 JPS5249109 B2 JP S5249109B2 JP 46100975 A JP46100975 A JP 46100975A JP 10097571 A JP10097571 A JP 10097571A JP S5249109 B2 JPS5249109 B2 JP S5249109B2
Authority
JP
Japan
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
JP46100975A
Other languages
Japanese (ja)
Other versions
JPS4865346A (enrdf_load_stackoverflow
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 filed Critical
Priority to JP46100975A priority Critical patent/JPS5249109B2/ja
Publication of JPS4865346A publication Critical patent/JPS4865346A/ja
Publication of JPS5249109B2 publication Critical patent/JPS5249109B2/ja
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
    • F16B25/10—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)
JP46100975A 1971-12-15 1971-12-15 Expired JPS5249109B2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP46100975A JPS5249109B2 (enrdf_load_stackoverflow) 1971-12-15 1971-12-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46100975A JPS5249109B2 (enrdf_load_stackoverflow) 1971-12-15 1971-12-15

Publications (2)

Publication Number Publication Date
JPS4865346A JPS4865346A (enrdf_load_stackoverflow) 1973-09-08
JPS5249109B2 true JPS5249109B2 (enrdf_load_stackoverflow) 1977-12-14

Family

ID=14288334

Family Applications (1)

Application Number Title Priority Date Filing Date
JP46100975A Expired JPS5249109B2 (enrdf_load_stackoverflow) 1971-12-15 1971-12-15

Country Status (1)

Country Link
JP (1) JPS5249109B2 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52101707U (enrdf_load_stackoverflow) * 1976-01-28 1977-08-02

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51126463A (en) * 1975-04-26 1976-11-04 Haruo Suzuki Cutting screw

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2391396A (en) * 1942-04-27 1945-12-25 John S Denison Drill

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52101707U (enrdf_load_stackoverflow) * 1976-01-28 1977-08-02

Also Published As

Publication number Publication date
JPS4865346A (enrdf_load_stackoverflow) 1973-09-08

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