LU39222A1 - - Google Patents
Info
- Publication number
- LU39222A1 LU39222A1 LU39222DA LU39222A1 LU 39222 A1 LU39222 A1 LU 39222A1 LU 39222D A LU39222D A LU 39222DA LU 39222 A1 LU39222 A1 LU 39222A1
- Authority
- LU
- Luxembourg
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
- F16B25/10—Screws performing an additional function to thread-forming, e.g. drill screws or self-piercing 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
- F16B25/0084—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 geometric details of the tip
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DESC026766 | 1959-10-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU39222A1 true LU39222A1 (de) | 1960-11-28 |
Family
ID=7430551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU39222D LU39222A1 (de) | 1959-10-01 | 1960-09-28 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE595594A (de) |
| FR (1) | FR1268396A (de) |
| LU (1) | LU39222A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3238836A (en) * | 1964-03-25 | 1966-03-08 | Harry W Johnson | Drilling reaming work extruding self-tapping screw |
| US3318182A (en) * | 1965-11-03 | 1967-05-09 | Textron Ind Inc | Self-thread-forming screw with drill point and method of making same |
| US3578762A (en) * | 1969-04-14 | 1971-05-18 | Armco Steel Corp | Self-drilling, reaming and tapping screw |
-
1960
- 1960-09-28 LU LU39222D patent/LU39222A1/xx unknown
- 1960-09-29 FR FR839833A patent/FR1268396A/fr not_active Expired
- 1960-09-30 BE BE595594A patent/BE595594A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1268396A (fr) | 1961-07-28 |
| BE595594A (fr) | 1961-01-16 |