IT987827B - Dispositivo di fissaggio filetta to automaschiante nonche stampi e metodo per la sua fabbricazione - Google Patents
Dispositivo di fissaggio filetta to automaschiante nonche stampi e metodo per la sua fabbricazioneInfo
- Publication number
- IT987827B IT987827B IT24448/73A IT2444873A IT987827B IT 987827 B IT987827 B IT 987827B IT 24448/73 A IT24448/73 A IT 24448/73A IT 2444873 A IT2444873 A IT 2444873A IT 987827 B IT987827 B IT 987827B
- Authority
- IT
- Italy
- Prior art keywords
- molds
- self
- manufacturing
- well
- fixing device
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000010079 rubber tapping Methods 0.000 title 1
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 |
|---|---|
| IT987827B true IT987827B (it) | 1975-03-20 |
Family
ID=22972001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT24448/73A IT987827B (it) | 1972-05-24 | 1973-05-23 | Dispositivo di fissaggio filetta to automaschiante nonche stampi e metodo per la sua fabbricazione |
Country Status (18)
| Country | Link |
|---|---|
| AT (1) | AT339118B (it) |
| BE (1) | BE799936A (it) |
| CA (1) | CA977192A (it) |
| CH (1) | CH572165A5 (it) |
| DE (2) | DE2322351C2 (it) |
| ES (1) | ES415433A1 (it) |
| FI (1) | FI58819C (it) |
| FR (1) | FR2186084A5 (it) |
| GB (2) | GB1376585A (it) |
| HK (2) | HK65778A (it) |
| IE (1) | IE37620B1 (it) |
| IL (1) | IL42270A0 (it) |
| IT (1) | IT987827B (it) |
| LU (1) | LU67649A1 (it) |
| NL (1) | NL174914C (it) |
| NO (2) | NO139343C (it) |
| SE (1) | SE397394B (it) |
| ZA (1) | ZA733514B (it) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2703433A1 (de) * | 1977-01-28 | 1978-12-07 | Schumacher Wilhelm Kg | Gewindeformende schraube sowie verfahren zum herstellen derselben und walzbacke zur durchfuehrung des verfahrens |
| DE2844412C2 (de) * | 1978-10-12 | 1986-03-27 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Becherförmiges Gehäuse für elektrische Bauelemente |
| US4411147A (en) * | 1981-08-12 | 1983-10-25 | Russell Burdsall & Ward Corporation | Rolling dies and method of forming the same |
| DE102022121434A1 (de) | 2022-08-24 | 2024-02-29 | Ejot Se & Co. Kg | Schraube für die Direktverschraubung in ein Bauteil |
| DE102022121435A1 (de) | 2022-08-24 | 2024-02-29 | Ejot Se & Co. Kg | Schraube für die Direktverschraubung in ein Bauteil |
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 (fr) * | 1961-10-25 | 1963-09-20 | Gen Am Transport | Outils à tarauder sans rainure et leurs procédés de fabrication |
| 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/DE2322351C2/de not_active Expired - Lifetime
- 1973-05-03 DE DE2322351A patent/DE2322351A1/de active Granted
- 1973-05-09 FI FI1498/73A patent/FI58819C/fi active
- 1973-05-10 IE IE741/73A patent/IE37620B1/xx unknown
- 1973-05-10 CH CH701373A patent/CH572165A5/xx not_active IP Right Cessation
- 1973-05-15 IL IL42270A patent/IL42270A0/xx unknown
- 1973-05-18 NL NLAANVRAGE7307022,A patent/NL174914C/xx not_active IP Right Cessation
- 1973-05-22 FR FR7318538A patent/FR2186084A5/fr not_active Expired
- 1973-05-23 LU LU67649A patent/LU67649A1/xx unknown
- 1973-05-23 GB GB2477973A patent/GB1376585A/en not_active Expired
- 1973-05-23 SE SE7307258A patent/SE397394B/xx unknown
- 1973-05-23 IT IT24448/73A patent/IT987827B/it active
- 1973-05-23 GB GB1473274A patent/GB1376586A/en not_active Expired
- 1973-05-23 AT AT448573A patent/AT339118B/de not_active IP Right Cessation
- 1973-05-23 BE BE131440A patent/BE799936A/xx not_active IP Right Cessation
- 1973-05-23 NO NO2121/73A patent/NO139343C/no unknown
- 1973-05-23 ZA ZA733514A patent/ZA733514B/xx unknown
- 1973-05-24 ES ES415433A patent/ES415433A1/es not_active Expired
-
1975
- 1975-03-03 NO NO750695A patent/NO750695L/no unknown
-
1978
- 1978-11-16 HK HK657/78A patent/HK65778A/xx unknown
- 1978-11-16 HK HK658/78A patent/HK65878A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ATA448573A (de) | 1977-01-15 |
| LU67649A1 (it) | 1973-07-26 |
| CA977192A (en) | 1975-11-04 |
| AU5598073A (en) | 1974-11-28 |
| SE397394B (sv) | 1977-10-31 |
| NL174914B (nl) | 1984-04-02 |
| ES415433A1 (es) | 1976-02-16 |
| IE37620B1 (en) | 1977-08-31 |
| AT339118B (de) | 1977-10-10 |
| IE37620L (en) | 1973-11-24 |
| ZA733514B (en) | 1974-11-27 |
| BE799936A (fr) | 1973-09-17 |
| FI58819B (fi) | 1980-12-31 |
| DE2322351C2 (it) | 1990-08-23 |
| HK65878A (en) | 1978-11-24 |
| IL42270A0 (en) | 1973-07-30 |
| FI58819C (fi) | 1981-04-10 |
| NO750695L (it) | 1973-11-27 |
| DE2322351A1 (de) | 1973-12-06 |
| GB1376585A (en) | 1974-12-04 |
| NO139343B (no) | 1978-11-13 |
| NL174914C (nl) | 1984-09-03 |
| GB1376586A (en) | 1974-12-04 |
| NO139343C (no) | 1979-02-21 |
| HK65778A (en) | 1978-11-24 |
| CH572165A5 (it) | 1976-01-30 |
| FR2186084A5 (it) | 1974-01-04 |
| NL7307022A (it) | 1973-11-27 |
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