BE606286A - Self-tapping element with external projections - Google Patents

Self-tapping element with external projections

Info

Publication number
BE606286A
BE606286A BE606286A BE606286A BE606286A BE 606286 A BE606286 A BE 606286A BE 606286 A BE606286 A BE 606286A BE 606286 A BE606286 A BE 606286A BE 606286 A BE606286 A BE 606286A
Authority
BE
Belgium
Prior art keywords
self
tapping element
external projections
projections
external
Prior art date
Application number
BE606286A
Other languages
French (fr)
Inventor
Robert Neuschotz
Original Assignee
Robert Neuschotz
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 Robert Neuschotz filed Critical Robert Neuschotz
Publication of BE606286A publication Critical patent/BE606286A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
    • H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
    • H04Q3/625—Arrangements in the private branch exchange
    • 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
    • F16B25/0042—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 the geometry of the thread, the thread being a ridge wrapped around the shaft of the screw
    • F16B25/0052—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 the geometry of the thread, the thread being a ridge wrapped around the shaft of the screw the ridge having indentations, notches or the like in order to improve the cutting behaviour

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Geometry (AREA)
  • Forging (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
BE606286A 1961-04-04 1961-07-19 Self-tapping element with external projections BE606286A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10068761A 1961-04-04 1961-04-04

Publications (1)

Publication Number Publication Date
BE606286A true BE606286A (en) 1961-11-10

Family

ID=22281030

Family Applications (1)

Application Number Title Priority Date Filing Date
BE606286A BE606286A (en) 1961-04-04 1961-07-19 Self-tapping element with external projections

Country Status (4)

Country Link
BE (1) BE606286A (en)
DE (1) DE1400222A1 (en)
FR (1) FR1292780A (en)
GB (1) GB966029A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4003287A (en) * 1975-07-08 1977-01-18 Yardley Products Corporation Insert of the self-tapping fluted type
GB2039660B (en) * 1979-01-06 1983-05-25 Psm Fasteners Ltd Fastener inserts
FR2460168A1 (en) * 1979-07-02 1981-01-23 Groov Pin Corp Self-tapping headless lobular insert forming method - forms longitudinally spaced chamfers or bevels on rod by orbital or helicoid movement of latter, using rod side surfaces as guide
US4544312A (en) * 1981-03-17 1985-10-01 Vsi Corporation Pin and process for its manufacture
JPS62251513A (en) * 1986-04-23 1987-11-02 レツクスノ−ド・インコ−ポレ−テツド Burying fitting
US6899500B2 (en) 2001-06-19 2005-05-31 Illinois Tool Works Inc. Fastner having multiple-bossed lead
US7101134B2 (en) 2001-06-19 2006-09-05 Illinois Tool Works Inc. Fastener having multiple lobed thread
AU2004202640B9 (en) * 2002-03-12 2007-04-26 Illinois Tool Works Inc. Fastener having multiple lobed thread

Also Published As

Publication number Publication date
FR1292780A (en) 1962-05-04
GB966029A (en) 1964-08-06
DE1400222A1 (en) 1968-12-19

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