DE3230811A1 - Metallblechschraube - Google Patents
MetallblechschraubeInfo
- Publication number
- DE3230811A1 DE3230811A1 DE19823230811 DE3230811A DE3230811A1 DE 3230811 A1 DE3230811 A1 DE 3230811A1 DE 19823230811 DE19823230811 DE 19823230811 DE 3230811 A DE3230811 A DE 3230811A DE 3230811 A1 DE3230811 A1 DE 3230811A1
- Authority
- DE
- Germany
- Prior art keywords
- thread
- sheet
- metal screw
- ramp
- upwards
- 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.)
- Granted
Links
- 239000002184 metal Substances 0.000 title abstract 2
- 239000000463 material Substances 0.000 abstract 2
- 230000003993 interaction Effects 0.000 abstract 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
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/041—Specially-shaped shafts
- F16B35/048—Specially-shaped necks
-
- 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
- F16B25/0031—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 screw being designed to be screwed into different materials, e.g. a layered structure or through metallic and wooden parts
-
- 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
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
- F16B39/30—Locking exclusively by special shape of the screw-thread
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Closures For Containers (AREA)
- Surgical Instruments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US31626081A | 1981-10-29 | 1981-10-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3230811A1 true DE3230811A1 (de) | 1983-05-11 |
DE3230811C2 DE3230811C2 (US20090163788A1-20090625-C00002.png) | 1989-06-15 |
Family
ID=23228282
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19823230811 Granted DE3230811A1 (de) | 1981-10-29 | 1982-08-19 | Metallblechschraube |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3230811A1 (US20090163788A1-20090625-C00002.png) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3333385A1 (de) * | 1983-09-15 | 1985-04-04 | K.-H. 8190 Wolfratshausen Weber | Kopfschraube |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB879672A (en) * | 1959-02-24 | 1961-10-11 | Ernest Bramald | A new or improved bush for use in conjunction with electrical equipment |
GB1009630A (en) * | 1962-05-07 | 1965-11-10 | Gen Am Transport | Wallboard screw |
US3322019A (en) * | 1964-07-28 | 1967-05-30 | Screw & Bolt Corp Of America | Plasterboard screw |
GB1421317A (en) * | 1973-03-26 | 1976-01-14 | Illinois Tool Works | Locking and strip-resistant screws |
-
1982
- 1982-08-19 DE DE19823230811 patent/DE3230811A1/de active Granted
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB879672A (en) * | 1959-02-24 | 1961-10-11 | Ernest Bramald | A new or improved bush for use in conjunction with electrical equipment |
GB1009630A (en) * | 1962-05-07 | 1965-11-10 | Gen Am Transport | Wallboard screw |
US3322019A (en) * | 1964-07-28 | 1967-05-30 | Screw & Bolt Corp Of America | Plasterboard screw |
GB1421317A (en) * | 1973-03-26 | 1976-01-14 | Illinois Tool Works | Locking and strip-resistant screws |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3333385A1 (de) * | 1983-09-15 | 1985-04-04 | K.-H. 8190 Wolfratshausen Weber | Kopfschraube |
Also Published As
Publication number | Publication date |
---|---|
DE3230811C2 (US20090163788A1-20090625-C00002.png) | 1989-06-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |