FR2186084A5 - - Google Patents

Info

Publication number
FR2186084A5
FR2186084A5 FR7318538A FR7318538A FR2186084A5 FR 2186084 A5 FR2186084 A5 FR 2186084A5 FR 7318538 A FR7318538 A FR 7318538A FR 7318538 A FR7318538 A FR 7318538A FR 2186084 A5 FR2186084 A5 FR 2186084A5
Authority
FR
France
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
FR7318538A
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.)
USM Corp
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
Application filed by USM Corp filed Critical USM Corp
Application granted granted Critical
Publication of FR2186084A5 publication Critical patent/FR2186084A5/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H3/00—Making helical bodies or bodies having parts of helical shape
    • B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
    • B21H3/027—Rolling of self-tapping screws
    • 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)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Forging (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
FR7318538A 1972-05-24 1973-05-22 Expired FR2186084A5 (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR2186084A5 true FR2186084A5 (fr) 1974-01-04

Family

ID=22972001

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7318538A Expired FR2186084A5 (fr) 1972-05-24 1973-05-22

Country Status (18)

Country Link
AT (1) AT339118B (fr)
BE (1) BE799936A (fr)
CA (1) CA977192A (fr)
CH (1) CH572165A5 (fr)
DE (2) DE2322351C2 (fr)
ES (1) ES415433A1 (fr)
FI (1) FI58819C (fr)
FR (1) FR2186084A5 (fr)
GB (2) GB1376586A (fr)
HK (2) HK65778A (fr)
IE (1) IE37620B1 (fr)
IL (1) IL42270A0 (fr)
IT (1) IT987827B (fr)
LU (1) LU67649A1 (fr)
NL (1) NL174914C (fr)
NO (2) NO139343C (fr)
SE (1) SE397394B (fr)
ZA (1) ZA733514B (fr)

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
DE102022121434A1 (de) 2022-08-24 2024-02-29 Ejot Se & Co. Kg Schraube für die Direktverschraubung in ein Bauteil
DE102022121435A1 (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
CH572165A5 (fr) 1976-01-30
IE37620B1 (en) 1977-08-31
HK65878A (en) 1978-11-24
NL7307022A (fr) 1973-11-27
ZA733514B (en) 1974-11-27
ES415433A1 (es) 1976-02-16
NO139343C (no) 1979-02-21
SE397394B (sv) 1977-10-31
FI58819B (fi) 1980-12-31
NL174914C (nl) 1984-09-03
DE2322351C2 (fr) 1990-08-23
NO139343B (no) 1978-11-13
NO750695L (fr) 1973-11-27
AU5598073A (en) 1974-11-28
NL174914B (nl) 1984-04-02
LU67649A1 (fr) 1973-07-26
FI58819C (fi) 1981-04-10
GB1376585A (en) 1974-12-04
HK65778A (en) 1978-11-24
IT987827B (it) 1975-03-20
CA977192A (en) 1975-11-04
BE799936A (fr) 1973-09-17
DE2322351A1 (de) 1973-12-06
AT339118B (de) 1977-10-10
IE37620L (en) 1973-11-24
IL42270A0 (en) 1973-07-30
GB1376586A (en) 1974-12-04
ATA448573A (de) 1977-01-15

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Legal Events

Date Code Title Description
CD Change of name or company name
TP Transmission of property
CA Change of address
TP Transmission of property