NO750695L - - Google Patents

Info

Publication number
NO750695L
NO750695L NO750695A NO750695A NO750695L NO 750695 L NO750695 L NO 750695L NO 750695 A NO750695 A NO 750695A NO 750695 A NO750695 A NO 750695A NO 750695 L NO750695 L NO 750695L
Authority
NO
Norway
Prior art keywords
thread
tabs
shaft
tip
towards
Prior art date
Application number
NO750695A
Other languages
English (en)
Norwegian (no)
Inventor
E J Skierski
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
Publication of NO750695L publication Critical patent/NO750695L/no
Application filed by Usm Corp filed Critical Usm Corp

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21HMAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H3/00Making helical bodies or bodies having parts of helical shape
    • B21H3/02Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
    • B21H3/027Rolling of self-tapping screws
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B25/00Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • F16B25/001Screws 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
    • F16B25/0021Screws 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B25/00Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • F16B25/0036Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw
    • F16B25/0042Screws 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
    • F16B25/0052Screws 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)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Forging (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
NO750695A 1972-05-24 1975-03-03 NO750695L (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25637072A 1972-05-24 1972-05-24

Publications (1)

Publication Number Publication Date
NO750695L true NO750695L (nl) 1973-11-27

Family

ID=22972001

Family Applications (2)

Application Number Title Priority Date Filing Date
NO2121/73A NO139343C (no) 1972-05-24 1973-05-23 Fremgangsmaate til fremstilling av en selvgjengende skrue og gjengevalsematriser til utfoerelse av fremgangsmaaten
NO750695A NO750695L (nl) 1972-05-24 1975-03-03

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NO2121/73A NO139343C (no) 1972-05-24 1973-05-23 Fremgangsmaate til fremstilling av en selvgjengende skrue og gjengevalsematriser til utfoerelse av fremgangsmaaten

Country Status (18)

Country Link
AT (1) AT339118B (nl)
BE (1) BE799936A (nl)
CA (1) CA977192A (nl)
CH (1) CH572165A5 (nl)
DE (2) DE2322351A1 (nl)
ES (1) ES415433A1 (nl)
FI (1) FI58819C (nl)
FR (1) FR2186084A5 (nl)
GB (2) GB1376586A (nl)
HK (2) HK65778A (nl)
IE (1) IE37620B1 (nl)
IL (1) IL42270A0 (nl)
IT (1) IT987827B (nl)
LU (1) LU67649A1 (nl)
NL (1) NL174914C (nl)
NO (2) NO139343C (nl)
SE (1) SE397394B (nl)
ZA (1) ZA733514B (nl)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2703433A1 (de) * 1977-01-28 1978-12-07 Schumacher Wilhelm Kg Gewindeformende schraube sowie verfahren zum herstellen derselben und walzbacke zur durchfuehrung des verfahrens
DE2844412C2 (de) * 1978-10-12 1986-03-27 Standard Elektrik Lorenz Ag, 7000 Stuttgart Becherförmiges Gehäuse für elektrische Bauelemente
US4411147A (en) * 1981-08-12 1983-10-25 Russell Burdsall & Ward Corporation Rolling dies and method of forming the same
DE102022121435A1 (de) 2022-08-24 2024-02-29 Ejot Se & Co. Kg Schraube für die Direktverschraubung in ein Bauteil
DE102022121434A1 (de) 2022-08-24 2024-02-29 Ejot Se & Co. Kg Schraube für die Direktverschraubung in ein Bauteil

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2348850A (en) * 1939-05-03 1944-05-16 Groov Pin Corp Art of screw rolling
FR1337952A (fr) * 1961-10-25 1963-09-20 Gen Am Transport Outils à tarauder sans rainure et leurs procédés de fabrication
US3426642A (en) * 1962-02-05 1969-02-11 Res Eng & Mfg Self-tapping screws with threadforming projections
US3504722A (en) * 1968-11-20 1970-04-07 Lamson & Sessions Co Thread forming and locking fastener

Also Published As

Publication number Publication date
NL174914B (nl) 1984-04-02
FI58819C (fi) 1981-04-10
GB1376585A (en) 1974-12-04
ZA733514B (en) 1974-11-27
NL174914C (nl) 1984-09-03
IE37620B1 (en) 1977-08-31
HK65878A (en) 1978-11-24
AU5598073A (en) 1974-11-28
BE799936A (fr) 1973-09-17
DE2322351A1 (de) 1973-12-06
FI58819B (fi) 1980-12-31
NO139343B (no) 1978-11-13
GB1376586A (en) 1974-12-04
LU67649A1 (nl) 1973-07-26
IT987827B (it) 1975-03-20
ATA448573A (de) 1977-01-15
SE397394B (sv) 1977-10-31
DE2322351C2 (nl) 1990-08-23
CH572165A5 (nl) 1976-01-30
ES415433A1 (es) 1976-02-16
IL42270A0 (en) 1973-07-30
NO139343C (no) 1979-02-21
IE37620L (en) 1973-11-24
AT339118B (de) 1977-10-10
HK65778A (en) 1978-11-24
CA977192A (en) 1975-11-04
FR2186084A5 (nl) 1974-01-04
NL7307022A (nl) 1973-11-27

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