ES2105539T3 - Tornillo con extremo ojival y procedimiento de obtencion del mismo. - Google Patents
Tornillo con extremo ojival y procedimiento de obtencion del mismo.Info
- Publication number
- ES2105539T3 ES2105539T3 ES94400403T ES94400403T ES2105539T3 ES 2105539 T3 ES2105539 T3 ES 2105539T3 ES 94400403 T ES94400403 T ES 94400403T ES 94400403 T ES94400403 T ES 94400403T ES 2105539 T3 ES2105539 T3 ES 2105539T3
- Authority
- ES
- Spain
- Prior art keywords
- screw
- obtaining
- ojival
- procedure
- same
- 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.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title abstract 3
- 238000005096 rolling process Methods 0.000 abstract 3
- 238000005242 forging Methods 0.000 abstract 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/44—Making machine elements bolts, studs, or the like
- B21K1/54—Making machine elements bolts, studs, or the like with grooves or notches
-
- 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
- F16B35/007—Removing paint or dirt layers covering the threaded part of nut-like members
-
- 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
- F16B35/044—Specially-shaped ends
- F16B35/047—Specially-shaped ends for preventing cross-threading, i.e. preventing skewing of bolt and nut
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Forging (AREA)
- Stringed Musical Instruments (AREA)
- Adornments (AREA)
- Dowels (AREA)
- Fuel Cell (AREA)
- Reinforced Plastic Materials (AREA)
- Glass Compositions (AREA)
- Golf Clubs (AREA)
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
Abstract
LA INVENCION SE REFIERE A UN TORNILLO DE EXTREMO OGIVAL ASI COMO A UN PROCESO PARA LA OBTENCION DE ESTE TORNILLO. ESTE PROCESO COMPRENDE UNA ETAPA DE GOLPEO DURANTE LA CUAL SE REALIZA LA CABEZA Y LA VARILLA DEL TORNILLO Y A CONTINUACION UNA ETAPA DE RODADURA DURANTE LA CUAL SE FORMAN LOS FILETES CARACTERIZADO EN QUE SE REALIZA EL EXTREMO OGIVAL (2) DEL TORNILLO (1) ANTES DE LA ETAPA DE RODADURA, CORRESPONDIENDO LA FORMA DE LA ENVOLTURA DEL EXTREMO OGIVAL SENSIBLEMENTE A LA OBTENIDO TRAS LA ETAPA DE RODADURA.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9303092A FR2702689B1 (fr) | 1993-03-17 | 1993-03-17 | Vis à extrémité ogivale et procédé d'obtention. |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2105539T3 true ES2105539T3 (es) | 1997-10-16 |
Family
ID=9445075
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES94400403T Expired - Lifetime ES2105539T3 (es) | 1993-03-17 | 1994-02-24 | Tornillo con extremo ojival y procedimiento de obtencion del mismo. |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0615800B1 (es) |
AT (1) | ATE156048T1 (es) |
DE (1) | DE69404510T2 (es) |
ES (1) | ES2105539T3 (es) |
FR (1) | FR2702689B1 (es) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3554306B2 (ja) * | 2001-10-11 | 2004-08-18 | 株式会社メイドー | ボルト及び製造ダイス及び該ボルトの製造方法 |
US6878069B2 (en) | 2003-06-05 | 2005-04-12 | Sps Technologies, Inc. | Helical groove fasteners and methods for making same |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH118382A (de) * | 1924-01-17 | 1927-01-03 | Deutsche Werke Ag | Verfahren zur Herstellung konischer Stifte, Wellenteile und dergleichen. |
GB435304A (en) * | 1934-04-24 | 1935-09-18 | British Thomson Houston Co Ltd | Improvements in the manufacture of self-tapping screws |
DE2122911A1 (de) * | 1971-05-10 | 1972-11-23 | Lanarkshire Bolt Ltd., Hamilton, Lanark (Schottland); Kerrigan, William, Ashford, Middlesex (Großbritannien) | Bolzenförmiger, gewindeerzeugender Bauteil |
JPS5920410B2 (ja) * | 1980-10-21 | 1984-05-12 | クラウン精密工業株式会社 | 自己タツプフオ−ミングねじの成型法 |
US4411147A (en) * | 1981-08-12 | 1983-10-25 | Russell Burdsall & Ward Corporation | Rolling dies and method of forming the same |
US4724694A (en) * | 1984-07-05 | 1988-02-16 | The Fastron Company | Method of manufacturing a thread-forming screw |
-
1993
- 1993-03-17 FR FR9303092A patent/FR2702689B1/fr not_active Expired - Fee Related
-
1994
- 1994-02-24 AT AT94400403T patent/ATE156048T1/de not_active IP Right Cessation
- 1994-02-24 DE DE69404510T patent/DE69404510T2/de not_active Expired - Fee Related
- 1994-02-24 ES ES94400403T patent/ES2105539T3/es not_active Expired - Lifetime
- 1994-02-24 EP EP94400403A patent/EP0615800B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2702689A1 (fr) | 1994-09-23 |
ATE156048T1 (de) | 1997-08-15 |
EP0615800A1 (fr) | 1994-09-21 |
DE69404510D1 (de) | 1997-09-04 |
EP0615800B1 (fr) | 1997-07-30 |
FR2702689B1 (fr) | 1995-06-16 |
DE69404510T2 (de) | 1997-12-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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