IE37620B1 - Improvements in or relating to fasteners - Google Patents
Improvements in or relating to fastenersInfo
- Publication number
- IE37620B1 IE37620B1 IE741/73A IE74173A IE37620B1 IE 37620 B1 IE37620 B1 IE 37620B1 IE 741/73 A IE741/73 A IE 741/73A IE 74173 A IE74173 A IE 74173A IE 37620 B1 IE37620 B1 IE 37620B1
- Authority
- IE
- Ireland
- Prior art keywords
- lobes
- tapering
- die
- shank portion
- thread
- Prior art date
Links
- 238000005096 rolling process Methods 0.000 abstract 3
- 238000010079 rubber tapping Methods 0.000 abstract 2
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IE167/75A IE39132B1 (en) | 1972-05-24 | 1973-05-10 | Improvements in or relating to fasteners |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US25637072A | 1972-05-24 | 1972-05-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE37620L IE37620L (en) | 1973-11-24 |
| IE37620B1 true IE37620B1 (en) | 1977-08-31 |
Family
ID=22972001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE741/73A IE37620B1 (en) | 1972-05-24 | 1973-05-10 | Improvements in or relating to fasteners |
Country Status (18)
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 |
| DE102022121435A1 (de) * | 2022-08-24 | 2024-02-29 | Ejot Se & Co. Kg | Schraube für die Direktverschraubung in ein Bauteil |
| DE102022121434A1 (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/DE2322351A1/de active Granted
- 1973-05-03 DE DE2322351A patent/DE2322351C2/de not_active Expired - Lifetime
- 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 BE BE131440A patent/BE799936A/xx not_active IP Right Cessation
- 1973-05-23 GB GB1473274A patent/GB1376586A/en not_active Expired
- 1973-05-23 SE SE7307258A patent/SE397394B/xx unknown
- 1973-05-23 ZA ZA733514A patent/ZA733514B/xx unknown
- 1973-05-23 LU LU67649A patent/LU67649A1/xx unknown
- 1973-05-23 GB GB2477973A patent/GB1376585A/en not_active Expired
- 1973-05-23 AT AT448573A patent/AT339118B/de not_active IP Right Cessation
- 1973-05-23 NO NO2121/73A patent/NO139343C/no unknown
- 1973-05-23 IT IT24448/73A patent/IT987827B/it active
- 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
-
1980
- 1980-06-12 FI FI801888A patent/FI801888A7/fi not_active Application Discontinuation
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