FR77777E - Vis-taraud - Google Patents

Vis-taraud

Info

Publication number
FR77777E
FR77777E FR828201A FR828201A FR77777E FR 77777 E FR77777 E FR 77777E FR 828201 A FR828201 A FR 828201A FR 828201 A FR828201 A FR 828201A FR 77777 E FR77777 E FR 77777E
Authority
FR
France
Prior art keywords
tapping screw
tapping
screw
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
FR828201A
Other languages
English (en)
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.)
General American Transportation Corp
Original Assignee
General American Transportation 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
Priority claimed from US816511A external-priority patent/US3083609A/en
Application filed by General American Transportation Corp filed Critical General American Transportation Corp
Application granted granted Critical
Publication of FR77777E publication Critical patent/FR77777E/fr
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
    • F16B25/001—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
FR828201A 1956-04-30 1960-05-25 Vis-taraud Expired FR77777E (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US798657XA 1956-04-30 1956-04-30
US816511A US3083609A (en) 1959-05-28 1959-05-28 Self-tapping screw having its thread interrupted by longitudinally extending and circumferentially spacedapart flutes

Publications (1)

Publication Number Publication Date
FR77777E true FR77777E (fr) 1962-04-20

Family

ID=26762517

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1151215D Expired FR1151215A (fr) 1956-04-30 1956-06-05 Vis-taraud
FR828201A Expired FR77777E (fr) 1956-04-30 1960-05-25 Vis-taraud

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR1151215D Expired FR1151215A (fr) 1956-04-30 1956-06-05 Vis-taraud

Country Status (2)

Country Link
FR (2) FR1151215A (fr)
GB (2) GB798657A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3083609A (en) * 1959-05-28 1963-04-02 Gen Am Transport Self-tapping screw having its thread interrupted by longitudinally extending and circumferentially spacedapart flutes
US3426642A (en) * 1962-02-05 1969-02-11 Res Eng & Mfg Self-tapping screws with threadforming projections
US4259889A (en) * 1979-08-22 1981-04-07 The Lamson & Sessions Co. Thread tapping form
GB2313167B (en) * 1996-05-15 2000-05-10 Chen Sen Yang Screw for fibrous boards
DE102005058391A1 (de) * 2005-12-07 2007-06-14 Fischerwerke Artur Fischer Gmbh & Co. Kg Gewindeschneidende Schraube, insbesondere Betonschraube

Also Published As

Publication number Publication date
FR1151215A (fr) 1958-01-28
GB883934A (en) 1961-12-06
GB798657A (en) 1958-07-23

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