DD7706A5 - Screw with self-tapping thread - Google Patents
Screw with self-tapping threadInfo
- Publication number
- DD7706A5 DD7706A5 DD723450A DD723450A DD7706A5 DD 7706 A5 DD7706 A5 DD 7706A5 DD 723450 A DD723450 A DD 723450A DD 723450 A DD723450 A DD 723450A DD 7706 A5 DD7706 A5 DD 7706A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- self
- screw
- tapping thread
- tapping
- thread
- Prior art date
Links
- 238000010079 rubber tapping Methods 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
- F16B25/0036—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
- F16B25/0042—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
- F16B25/0073—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 characterised by its pitch, e.g. a varying pitch
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Mechanical Engineering (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD723450A DD7706A5 (en) | 1950-04-19 | 1950-04-19 | Screw with self-tapping thread |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD723450A DD7706A5 (en) | 1950-04-19 | 1950-04-19 | Screw with self-tapping thread |
Publications (1)
Publication Number | Publication Date |
---|---|
DD7706A5 true DD7706A5 (en) | 1954-08-07 |
Family
ID=220399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DD723450A DD7706A5 (en) | 1950-04-19 | 1950-04-19 | Screw with self-tapping thread |
Country Status (1)
Country | Link |
---|---|
DD (1) | DD7706A5 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012103460A1 (en) * | 2012-02-02 | 2013-08-08 | Elena Stark | Multiple sealing cap for pipes and tube assemblies and in particular fiber optic cable tube assemblies |
-
1950
- 1950-04-19 DD DD723450A patent/DD7706A5/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012103460A1 (en) * | 2012-02-02 | 2013-08-08 | Elena Stark | Multiple sealing cap for pipes and tube assemblies and in particular fiber optic cable tube assemblies |
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