IT598490B - - Google Patents
Info
- Publication number
- IT598490B IT598490B IT598490DA IT598490B IT 598490 B IT598490 B IT 598490B IT 598490D A IT598490D A IT 598490DA IT 598490 B IT598490 B IT 598490B
- Authority
- IT
- Italy
Links
Classifications
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- 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
- F16B25/0057—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 screw having distinct axial zones, e.g. multiple axial thread sections with different pitch or thread cross-sections
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- 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
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- 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
- F16B25/0073—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 characterised by its pitch, e.g. a varying pitch
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- 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
- F16B33/00—Features common to bolt and nut
- F16B33/02—Shape of thread; Special thread-forms
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT598490B true IT598490B (it) | 1959-10-02 |
Family
ID=1761908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT598490D IT598490B (it) | 1958-10-23 |
Country Status (1)
| Country | Link |
|---|---|
| IT (1) | IT598490B (it) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3942405A (en) * | 1974-09-23 | 1976-03-09 | John Bradley Wagner | Piercing sharp pointed gypsum board screw for metal studs |
| US7255523B2 (en) | 2005-12-22 | 2007-08-14 | Prime Source Building Products, Inc. | Dual threaded screw for composite materials |
| EP1887230A2 (en) * | 2006-08-11 | 2008-02-13 | ITW CONSTRUCTION PRODUCTS ITALY S.r.l. | An anchor device for anchoring wooden or metal structures to a wall. |
| US8070786B2 (en) | 1993-01-21 | 2011-12-06 | Acumed Llc | System for fusing joints |
| US9161793B2 (en) | 1993-01-21 | 2015-10-20 | Acumed Llc | Axial tension screw |
| TWI513913B (zh) * | 2009-05-22 | 2015-12-21 | Phillips Screw Co | 用於木材及相似材料的低能量螺釘 |
| EP3995708A1 (en) * | 2020-11-04 | 2022-05-11 | Illinois Tool Works, Inc. | Drywall screw |
-
1958
- 1958-10-23 IT IT598490D patent/IT598490B/it active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3942405A (en) * | 1974-09-23 | 1976-03-09 | John Bradley Wagner | Piercing sharp pointed gypsum board screw for metal studs |
| US8070786B2 (en) | 1993-01-21 | 2011-12-06 | Acumed Llc | System for fusing joints |
| US9161793B2 (en) | 1993-01-21 | 2015-10-20 | Acumed Llc | Axial tension screw |
| US7255523B2 (en) | 2005-12-22 | 2007-08-14 | Prime Source Building Products, Inc. | Dual threaded screw for composite materials |
| EP1887230A2 (en) * | 2006-08-11 | 2008-02-13 | ITW CONSTRUCTION PRODUCTS ITALY S.r.l. | An anchor device for anchoring wooden or metal structures to a wall. |
| EP1887230A3 (en) * | 2006-08-11 | 2010-01-06 | ITW CONSTRUCTION PRODUCTS ITALY S.r.l. | An anchor device for anchoring wooden or metal structures to a wall. |
| US7682116B2 (en) | 2006-08-11 | 2010-03-23 | Itw Construction Products Italy S.R.L. Con Unico Socio | Anchor device of wooden or metal structures to a wall |
| TWI513913B (zh) * | 2009-05-22 | 2015-12-21 | Phillips Screw Co | 用於木材及相似材料的低能量螺釘 |
| EP3995708A1 (en) * | 2020-11-04 | 2022-05-11 | Illinois Tool Works, Inc. | Drywall screw |