DD124615A5 - - Google Patents
Info
- Publication number
- DD124615A5 DD124615A5 DD19248876A DD19248876A DD124615A5 DD 124615 A5 DD124615 A5 DD 124615A5 DD 19248876 A DD19248876 A DD 19248876A DD 19248876 A DD19248876 A DD 19248876A DD 124615 A5 DD124615 A5 DD 124615A5
- Authority
- DD
- German Democratic Republic
Links
Classifications
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- 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
- F16B25/106—Screws performing an additional function to thread-forming, e.g. drill screws or self-piercing screws by means of a self-piercing screw-point, i.e. without removing material
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- 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 (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1975057430U JPS5435255Y2 (de) | 1975-04-25 | 1975-04-25 | |
JP1975057431U JPS5512585Y2 (de) | 1975-04-25 | 1975-04-25 | |
JP1975089516U JPS5417727Y2 (de) | 1975-06-24 | 1975-06-24 | |
JP8951575U JPS5343966Y2 (de) | 1975-06-24 | 1975-06-24 | |
JP8954175U JPS524205U (de) | 1975-06-24 | 1975-06-24 | |
JP1975150991U JPS5418613Y2 (de) | 1975-11-04 | 1975-11-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
DD124615A5 true DD124615A5 (de) | 1977-03-02 |
Family
ID=27550678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DD19248876A DD124615A5 (de) | 1975-04-25 | 1976-04-23 |
Country Status (1)
Country | Link |
---|---|
DD (1) | DD124615A5 (de) |
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1976
- 1976-04-23 DD DD19248876A patent/DD124615A5/xx unknown