FR1118057A - Perfectionnement aux vis, pivots et tire-fond à bois - Google Patents
Perfectionnement aux vis, pivots et tire-fond à boisInfo
- Publication number
- FR1118057A FR1118057A FR1118057DA FR1118057A FR 1118057 A FR1118057 A FR 1118057A FR 1118057D A FR1118057D A FR 1118057DA FR 1118057 A FR1118057 A FR 1118057A
- Authority
- FR
- France
- Prior art keywords
- screws
- pivots
- improvement
- wood
- wood lag
- 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
Links
- 239000002023 wood Substances 0.000 title 1
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
- F16B25/0015—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 a soft organic material, e.g. wood or plastic
-
- 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
-
- 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
- F16B25/0078—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw with a shaft of non-circular cross-section or other special geometric features of the shaft
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Wood Science & Technology (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1118057T | 1950-03-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1118057A true FR1118057A (fr) | 1956-05-31 |
Family
ID=9630288
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1118057D Expired FR1118057A (fr) | 1950-03-14 | 1950-03-14 | Perfectionnement aux vis, pivots et tire-fond à bois |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1118057A (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0024118A1 (fr) * | 1979-08-11 | 1981-02-25 | Sela Fasteners Limited | Vis autoforeuses et autotaraudeuses |
DE3242926A1 (de) * | 1982-11-20 | 1984-05-24 | Schrauben Betzer GmbH & Co KG, 5880 Lüdenscheid | Gewindefurchende schraube |
US8206454B2 (en) | 2004-11-09 | 2012-06-26 | Hoermansdoerfer Gerd | Self-cutting screw-in element |
US8864837B2 (en) | 2004-11-09 | 2014-10-21 | Gerd Hörmansdörfer | Screw-in element having changing thread profile and method for its production |
-
1950
- 1950-03-14 FR FR1118057D patent/FR1118057A/fr not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0024118A1 (fr) * | 1979-08-11 | 1981-02-25 | Sela Fasteners Limited | Vis autoforeuses et autotaraudeuses |
DE3242926A1 (de) * | 1982-11-20 | 1984-05-24 | Schrauben Betzer GmbH & Co KG, 5880 Lüdenscheid | Gewindefurchende schraube |
US8206454B2 (en) | 2004-11-09 | 2012-06-26 | Hoermansdoerfer Gerd | Self-cutting screw-in element |
US8864837B2 (en) | 2004-11-09 | 2014-10-21 | Gerd Hörmansdörfer | Screw-in element having changing thread profile and method for its production |
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