GB2015938A - Pneumatic tyre made from elastic material without reinforcements - Google Patents
Pneumatic tyre made from elastic material without reinforcementsInfo
- Publication number
- GB2015938A GB2015938A GB7906096A GB7906096A GB2015938A GB 2015938 A GB2015938 A GB 2015938A GB 7906096 A GB7906096 A GB 7906096A GB 7906096 A GB7906096 A GB 7906096A GB 2015938 A GB2015938 A GB 2015938A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tyre
- point
- rotation
- axis
- wall
- 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.)
- Granted
Links
- 239000013013 elastic material Substances 0.000 title abstract 2
- 230000002787 reinforcement Effects 0.000 title abstract 2
- 239000011324 bead Substances 0.000 abstract 1
- 238000010008 shearing Methods 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
- 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
-
- 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
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/02—Carcasses
- B60C9/0292—Carcass ply curvature
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 shearing deformation in the tread by adopting an inner surface profile, for at least that part of the tyre located 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. <IMAGE>
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7805154A FR2417404A1 (en) | 1978-02-21 | 1978-02-21 | PNEUMATIC IN ELASTIC MATERIAL WITHOUT REINFORCEMENT |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2015938A true GB2015938A (en) | 1979-09-19 |
GB2015938B GB2015938B (en) | 1982-07-14 |
Family
ID=9204934
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7906096A Expired GB2015938B (en) | 1978-02-21 | 1979-02-21 | Pneumatic tyre made from elastic material without reinforcements |
Country Status (13)
Country | Link |
---|---|
JP (1) | JPS54122504A (en) |
AU (1) | AU525474B2 (en) |
BE (1) | BE874132A (en) |
BR (1) | BR7901138A (en) |
CA (1) | CA1105816A (en) |
DE (1) | DE2906722A1 (en) |
ES (1) | ES477866A1 (en) |
FR (1) | FR2417404A1 (en) |
GB (1) | GB2015938B (en) |
IT (1) | IT1118391B (en) |
LU (1) | LU80948A1 (en) |
NL (1) | NL7901355A (en) |
SE (1) | SE7901496L (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5630892A (en) * | 1993-12-16 | 1997-05-20 | Sumitomo Rubber Industries Limited | Pneumatic tire with specified tread curvature and/or specified breaker curvature |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA7259B (en) * | 1971-01-16 | 1972-09-27 | Dunlop Ltd | Tyres |
FR2314059A1 (en) * | 1975-06-12 | 1977-01-07 | Michelin & Cie | UNREINFORCED TIRE ENCLOSURES |
FR2314061A1 (en) * | 1975-06-12 | 1977-01-07 | Michelin & Cie | NON-REINFORCED TIRE COVERS, WITH REINFORCED SHOULDERS |
FR2314060A1 (en) * | 1975-06-12 | 1977-01-07 | Michelin & Cie | IMPROVEMENTS TO TIRE PACKAGES |
US4006767A (en) * | 1975-10-08 | 1977-02-08 | The Firestone Tire & Rubber Company | Pneumatic tires |
-
1978
- 1978-02-21 FR FR7805154A patent/FR2417404A1/en active Granted
-
1979
- 1979-02-13 BE BE193431A patent/BE874132A/en not_active IP Right Cessation
- 1979-02-19 JP JP1828379A patent/JPS54122504A/en active Pending
- 1979-02-20 ES ES477866A patent/ES477866A1/en not_active Expired
- 1979-02-20 AU AU44390/79A patent/AU525474B2/en not_active Expired
- 1979-02-20 LU LU80948A patent/LU80948A1/en unknown
- 1979-02-20 IT IT67374/79A patent/IT1118391B/en active
- 1979-02-20 SE SE7901496A patent/SE7901496L/en not_active Application Discontinuation
- 1979-02-21 NL NL7901355A patent/NL7901355A/en not_active Application Discontinuation
- 1979-02-21 GB GB7906096A patent/GB2015938B/en not_active Expired
- 1979-02-21 CA CA322,049A patent/CA1105816A/en not_active Expired
- 1979-02-21 BR BR7901138A patent/BR7901138A/en unknown
- 1979-02-21 DE DE19792906722 patent/DE2906722A1/en not_active Ceased
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5630892A (en) * | 1993-12-16 | 1997-05-20 | Sumitomo Rubber Industries Limited | Pneumatic tire with specified tread curvature and/or specified breaker curvature |
US5630893A (en) * | 1993-12-16 | 1997-05-20 | Sumitomo Rubber Industries Limited | Pneumatic tire with specified tread curvature and/or specified breaker curvature |
Also Published As
Publication number | Publication date |
---|---|
ES477866A1 (en) | 1979-08-01 |
NL7901355A (en) | 1979-08-23 |
SE7901496L (en) | 1979-08-22 |
AU525474B2 (en) | 1982-11-11 |
LU80948A1 (en) | 1979-06-18 |
GB2015938B (en) | 1982-07-14 |
IT7967374A0 (en) | 1979-02-20 |
AU4439079A (en) | 1979-08-30 |
DE2906722A1 (en) | 1979-08-23 |
FR2417404A1 (en) | 1979-09-14 |
IT1118391B (en) | 1986-02-24 |
CA1105816A (en) | 1981-07-28 |
FR2417404B1 (en) | 1981-09-11 |
BE874132A (en) | 1979-05-29 |
JPS54122504A (en) | 1979-09-22 |
BR7901138A (en) | 1979-10-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19960221 |