FR2375061A2 - Tyre carcass bead pads of complementary hardnesses and shapes - involving fitted pairs of filled and unfilled rubber hoops - Google Patents
Tyre carcass bead pads of complementary hardnesses and shapes - involving fitted pairs of filled and unfilled rubber hoopsInfo
- Publication number
- FR2375061A2 FR2375061A2 FR7627716A FR7627716A FR2375061A2 FR 2375061 A2 FR2375061 A2 FR 2375061A2 FR 7627716 A FR7627716 A FR 7627716A FR 7627716 A FR7627716 A FR 7627716A FR 2375061 A2 FR2375061 A2 FR 2375061A2
- Authority
- FR
- France
- Prior art keywords
- pad
- filled
- involving
- unfilled
- hardnesses
- 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
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
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/06—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
The parent patent described tyre carcasses involving a relatively inextensible fabric ply wrapped around the beads and enclosing two rubber pads, one of which had a hardness of 85-95 degrees Shore A and was fibre-filled, the other pad being unfilled and of an (unspecified) specific hardness. This addition specifies a hardness range of 70-95 degrees Shore A for the unfilled pad. The ranges for the ratios for n/H is extended to 0.55-0.95, and the ratio for m/H is defined to be 0.15-0.35, pref. 0.22-0.28. Further, this addition describes the section of inner, filled pad as tapering from a broad base adjacent to the bead to a peak radially higher up the side wall. The section of the second pad widens alongside the reducing section of the first pad and then narrows to a peak radially higher up the sidewall. Specifically, the carcass ply is made of aromatic polyamide fabric, laid with the cord axes at an angle of 15-60 degrees to the tangent to the bead rim.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7627716A FR2375061A2 (en) | 1976-09-15 | 1976-09-15 | Tyre carcass bead pads of complementary hardnesses and shapes - involving fitted pairs of filled and unfilled rubber hoops |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7627716A FR2375061A2 (en) | 1976-09-15 | 1976-09-15 | Tyre carcass bead pads of complementary hardnesses and shapes - involving fitted pairs of filled and unfilled rubber hoops |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2375061A2 true FR2375061A2 (en) | 1978-07-21 |
FR2375061B2 FR2375061B2 (en) | 1979-07-20 |
Family
ID=9177711
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7627716A Granted FR2375061A2 (en) | 1976-09-15 | 1976-09-15 | Tyre carcass bead pads of complementary hardnesses and shapes - involving fitted pairs of filled and unfilled rubber hoops |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2375061A2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4541467A (en) * | 1981-11-24 | 1985-09-17 | Bridgestone Tire Company Limited | Heavy duty pneumatic radial tires |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2090158A1 (en) * | 1970-05-20 | 1972-01-14 | Goodyear Tire & Rubber | |
FR2111886A1 (en) * | 1970-10-28 | 1972-06-09 | Pirelli |
-
1976
- 1976-09-15 FR FR7627716A patent/FR2375061A2/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2090158A1 (en) * | 1970-05-20 | 1972-01-14 | Goodyear Tire & Rubber | |
FR2111886A1 (en) * | 1970-10-28 | 1972-06-09 | Pirelli |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4541467A (en) * | 1981-11-24 | 1985-09-17 | Bridgestone Tire Company Limited | Heavy duty pneumatic radial tires |
Also Published As
Publication number | Publication date |
---|---|
FR2375061B2 (en) | 1979-07-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property |