ES477865A1 - Pneumatic tyre made from unreinforced elastic material - Google Patents
Pneumatic tyre made from unreinforced elastic materialInfo
- Publication number
- ES477865A1 ES477865A1 ES477865A ES477865A ES477865A1 ES 477865 A1 ES477865 A1 ES 477865A1 ES 477865 A ES477865 A ES 477865A ES 477865 A ES477865 A ES 477865A ES 477865 A1 ES477865 A1 ES 477865A1
- Authority
- ES
- Spain
- Prior art keywords
- tyre
- point
- wall
- rotation
- axis
- 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
Links
- 239000013013 elastic material Substances 0.000 title abstract 2
- 239000011324 bead Substances 0.000 abstract 1
- 230000002787 reinforcement Effects 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C3/00—Tyres characterised by the transverse section
- B60C3/04—Tyres characterised by the transverse section characterised by the relative dimensions of the section, e.g. low profile
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C13/00—Tyre sidewalls; Protecting, decorating, marking, or the like, thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C5/00—Inflatable pneumatic tyres or inner tubes
- B60C5/01—Inflatable pneumatic tyres or inner tubes without substantial cord reinforcement, e.g. cordless tyres, cast tyres
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
Pneumatic tyres made from elastic material with no reinforcements other than bead wires are constructed to substantially reduce or eliminate radial deformations at the top of the tyre by adopting a meridian profile of the inner wall for at least that part of the tyre n situated radially outside the points E in accordance with the equation: < IMAGE > in which: ' rho m' is the radius of the meridian curvature of a point (A) on the inner wall of the tyre, 'y' is the distance of the point A from the axis of rotation of the tyre measured parallel to the equatorial plane of the tyre, 'Re" is the distance of the point (E) of the inner wall, which is at a maximum distance from the equatorial plane, from the axis of rotation of the tyre measured parallel to the equatorial plane. ' phi ' is the angle formed by a tangent to the inner wall at point A with a line passing through point A parallel to the axis of rotation of the tyre.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7805153A FR2417403A1 (en) | 1978-02-21 | 1978-02-21 | PNEUMATIC IN NON-ARMORED ELASTIC MATERIAL |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES477865A1 true ES477865A1 (en) | 1979-08-01 |
Family
ID=9204933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES477865A Expired ES477865A1 (en) | 1978-02-21 | 1979-02-20 | Pneumatic tyre made from unreinforced elastic material |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS54122503A (en) |
| AU (1) | AU525473B2 (en) |
| BE (1) | BE874133A (en) |
| BR (1) | BR7901137A (en) |
| CA (1) | CA1105364A (en) |
| DE (1) | DE2906780A1 (en) |
| ES (1) | ES477865A1 (en) |
| FR (1) | FR2417403A1 (en) |
| GB (1) | GB2014915B (en) |
| IT (1) | IT1118390B (en) |
| LU (1) | LU80941A1 (en) |
| NL (1) | NL7901354A (en) |
| SE (1) | SE7901495L (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3358900B2 (en) * | 1993-12-16 | 2002-12-24 | 住友ゴム工業株式会社 | Pneumatic tire |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3701374A (en) * | 1970-07-06 | 1972-10-31 | Firestone Tire & Rubber Co | Elastomeric articles free from reinforcing elements |
| FR2120421A5 (en) * | 1970-12-30 | 1972-08-18 | Michelin & Cie | |
| ZA7259B (en) * | 1971-01-16 | 1972-09-27 | Dunlop Ltd | Tyres |
| FR2314059A1 (en) * | 1975-06-12 | 1977-01-07 | Michelin & Cie | UNREINFORCED TIRE ENCLOSURES |
| US4006767A (en) * | 1975-10-08 | 1977-02-08 | The Firestone Tire & Rubber Company | Pneumatic tires |
-
1978
- 1978-02-21 FR FR7805153A patent/FR2417403A1/en active Granted
-
1979
- 1979-02-13 BE BE193432A patent/BE874133A/en not_active IP Right Cessation
- 1979-02-19 JP JP1828279A patent/JPS54122503A/en active Pending
- 1979-02-19 LU LU80941A patent/LU80941A1/en unknown
- 1979-02-20 IT IT67373/79A patent/IT1118390B/en active
- 1979-02-20 ES ES477865A patent/ES477865A1/en not_active Expired
- 1979-02-20 SE SE7901495A patent/SE7901495L/en not_active Application Discontinuation
- 1979-02-20 AU AU44389/79A patent/AU525473B2/en not_active Expired
- 1979-02-21 BR BR7901137A patent/BR7901137A/en unknown
- 1979-02-21 CA CA322,050A patent/CA1105364A/en not_active Expired
- 1979-02-21 NL NL7901354A patent/NL7901354A/en not_active Application Discontinuation
- 1979-02-21 DE DE19792906780 patent/DE2906780A1/en not_active Ceased
- 1979-02-21 GB GB7906103A patent/GB2014915B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS54122503A (en) | 1979-09-22 |
| NL7901354A (en) | 1979-08-23 |
| IT1118390B (en) | 1986-02-24 |
| AU4438979A (en) | 1979-08-30 |
| BR7901137A (en) | 1979-10-02 |
| BE874133A (en) | 1979-05-29 |
| CA1105364A (en) | 1981-07-21 |
| LU80941A1 (en) | 1979-06-18 |
| GB2014915A (en) | 1979-09-05 |
| IT7967373A0 (en) | 1979-02-20 |
| DE2906780A1 (en) | 1979-08-23 |
| AU525473B2 (en) | 1982-11-11 |
| FR2417403B1 (en) | 1980-09-05 |
| GB2014915B (en) | 1982-10-13 |
| FR2417403A1 (en) | 1979-09-14 |
| SE7901495L (en) | 1979-08-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FD1A | Patent lapsed |
Effective date: 19971001 |