HK65778A - Improvements in or relating to fasteners - Google Patents
Improvements in or relating to fastenersInfo
- Publication number
- HK65778A HK65778A HK657/78A HK65778A HK65778A HK 65778 A HK65778 A HK 65778A HK 657/78 A HK657/78 A HK 657/78A HK 65778 A HK65778 A HK 65778A HK 65778 A HK65778 A HK 65778A
- Authority
- HK
- Hong Kong
- Prior art keywords
- fasteners
- relating
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H3/00—Making helical bodies or bodies having parts of helical shape
- B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
- B21H3/027—Rolling of self-tapping 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
- F16B25/0042—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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Forging (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US25637072A | 1972-05-24 | 1972-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HK65778A true HK65778A (en) | 1978-11-24 |
Family
ID=22972001
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HK658/78A HK65878A (en) | 1972-05-24 | 1978-11-16 | Improvements in or relating to fasteners |
| HK657/78A HK65778A (en) | 1972-05-24 | 1978-11-16 | Improvements in or relating to fasteners |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HK658/78A HK65878A (en) | 1972-05-24 | 1978-11-16 | Improvements in or relating to fasteners |
Country Status (18)
| Country | Link |
|---|---|
| AT (1) | AT339118B (en) |
| BE (1) | BE799936A (en) |
| CA (1) | CA977192A (en) |
| CH (1) | CH572165A5 (en) |
| DE (2) | DE2322351A1 (en) |
| ES (1) | ES415433A1 (en) |
| FI (1) | FI58819C (en) |
| FR (1) | FR2186084A5 (en) |
| GB (2) | GB1376586A (en) |
| HK (2) | HK65878A (en) |
| IE (1) | IE37620B1 (en) |
| IL (1) | IL42270A0 (en) |
| IT (1) | IT987827B (en) |
| LU (1) | LU67649A1 (en) |
| NL (1) | NL174914C (en) |
| NO (2) | NO139343C (en) |
| SE (1) | SE397394B (en) |
| ZA (1) | ZA733514B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2703433A1 (en) * | 1977-01-28 | 1978-12-07 | Schumacher Wilhelm Kg | THREAD FORMING SCREW AND METHOD OF MANUFACTURING THE SAME AND ROLLING JAW FOR PERFORMING THE METHOD |
| DE2844412C2 (en) * | 1978-10-12 | 1986-03-27 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Cup-shaped housing for electrical components |
| US4411147A (en) * | 1981-08-12 | 1983-10-25 | Russell Burdsall & Ward Corporation | Rolling dies and method of forming the same |
| DE102022121435A1 (en) | 2022-08-24 | 2024-02-29 | Ejot Se & Co. Kg | Screw for direct screwing into a component |
| DE102022121434A1 (en) | 2022-08-24 | 2024-02-29 | Ejot Se & Co. Kg | Screw for direct screwing into a component |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2348850A (en) * | 1939-05-03 | 1944-05-16 | Groov Pin Corp | Art of screw rolling |
| FR1337952A (en) * | 1961-10-25 | 1963-09-20 | Gen Am Transport | Groove-less tapping tools and manufacturing processes |
| US3426642A (en) * | 1962-02-05 | 1969-02-11 | Res Eng & Mfg | Self-tapping screws with threadforming projections |
| US3504722A (en) * | 1968-11-20 | 1970-04-07 | Lamson & Sessions Co | Thread forming and locking fastener |
-
1973
- 1973-02-16 CA CA163,957A patent/CA977192A/en not_active Expired
- 1973-05-03 DE DE2322351A patent/DE2322351A1/en active Granted
- 1973-05-03 DE DE2322351A patent/DE2322351C2/de not_active Expired - Lifetime
- 1973-05-09 FI FI1498/73A patent/FI58819C/en active
- 1973-05-10 IE IE741/73A patent/IE37620B1/en unknown
- 1973-05-10 CH CH701373A patent/CH572165A5/xx not_active IP Right Cessation
- 1973-05-15 IL IL42270A patent/IL42270A0/en unknown
- 1973-05-18 NL NLAANVRAGE7307022,A patent/NL174914C/en not_active IP Right Cessation
- 1973-05-22 FR FR7318538A patent/FR2186084A5/fr not_active Expired
- 1973-05-23 AT AT448573A patent/AT339118B/en not_active IP Right Cessation
- 1973-05-23 BE BE131440A patent/BE799936A/en not_active IP Right Cessation
- 1973-05-23 GB GB1473274A patent/GB1376586A/en not_active Expired
- 1973-05-23 NO NO2121/73A patent/NO139343C/en unknown
- 1973-05-23 GB GB2477973A patent/GB1376585A/en not_active Expired
- 1973-05-23 IT IT24448/73A patent/IT987827B/en active
- 1973-05-23 SE SE7307258A patent/SE397394B/en unknown
- 1973-05-23 LU LU67649A patent/LU67649A1/xx unknown
- 1973-05-23 ZA ZA733514A patent/ZA733514B/en unknown
- 1973-05-24 ES ES415433A patent/ES415433A1/en not_active Expired
-
1975
- 1975-03-03 NO NO750695A patent/NO750695L/no unknown
-
1978
- 1978-11-16 HK HK658/78A patent/HK65878A/en unknown
- 1978-11-16 HK HK657/78A patent/HK65778A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2186084A5 (en) | 1974-01-04 |
| DE2322351C2 (en) | 1990-08-23 |
| IT987827B (en) | 1975-03-20 |
| DE2322351A1 (en) | 1973-12-06 |
| GB1376586A (en) | 1974-12-04 |
| AU5598073A (en) | 1974-11-28 |
| CH572165A5 (en) | 1976-01-30 |
| LU67649A1 (en) | 1973-07-26 |
| BE799936A (en) | 1973-09-17 |
| NO750695L (en) | 1973-11-27 |
| NL174914C (en) | 1984-09-03 |
| IE37620L (en) | 1973-11-24 |
| ES415433A1 (en) | 1976-02-16 |
| NO139343C (en) | 1979-02-21 |
| NL174914B (en) | 1984-04-02 |
| AT339118B (en) | 1977-10-10 |
| NO139343B (en) | 1978-11-13 |
| GB1376585A (en) | 1974-12-04 |
| FI58819C (en) | 1981-04-10 |
| IE37620B1 (en) | 1977-08-31 |
| CA977192A (en) | 1975-11-04 |
| ATA448573A (en) | 1977-01-15 |
| IL42270A0 (en) | 1973-07-30 |
| NL7307022A (en) | 1973-11-27 |
| FI58819B (en) | 1980-12-31 |
| HK65878A (en) | 1978-11-24 |
| ZA733514B (en) | 1974-11-27 |
| SE397394B (en) | 1977-10-31 |
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