发明公开
- 专利标题: Agricultural or industrial tire with reinforced rubber composition
- 专利标题(中): 农业或工业用的轮胎增强的橡胶化合物
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申请号: EP05100509.8申请日: 2005-01-26
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公开(公告)号: EP1559587A3公开(公告)日: 2007-05-02
- 发明人: Bernard, Carlo , Reuter, René François , Lechtenboehmer, Annette
- 申请人: THE GOODYEAR TIRE & RUBBER COMPANY
- 申请人地址: 1144 East Market Street Akron, Ohio 44316-0001 US
- 专利权人: THE GOODYEAR TIRE & RUBBER COMPANY
- 当前专利权人: THE GOODYEAR TIRE & RUBBER COMPANY
- 当前专利权人地址: 1144 East Market Street Akron, Ohio 44316-0001 US
- 代理机构: Kutsch, Bernd
- 优先权: US768301 20040130
- 主分类号: B60C1/00
- IPC分类号: B60C1/00 ; B60C11/11 ; B60C107/02 ; B60C121/00
摘要:
The present invention is directed a pneumatic agricultural or industrial tire (20) comprising a casing (21) and a rubber tread (32A, 32B, 34) disposed radially outwardly of the casing (21), the tread having an inner tread (34) and a plurality of tread lugs (50) projecting radially from the inner tread (34), said casing (21) having at least one component (22, 26, 28), said component comprising textile cord and a rubber composition in contact with the textile cord, the rubber composition comprising
100 parts by weight of at least one diene based elastomer, including from 75 to 15 parts by weight of polybutadiene and 25 to 85 parts by weight of at least one additional diene based elastomer selected from the group consisting of styrene-butadiene rubber, synthetic polyisoprene and natural polyisoprene;
0.1 to 8 parts by weight of at least one accelerator selected from benzothiazoles and dithiophosphates and exclusive of sulfenamides;
1 to 15 parts by weight of at least one resin selected from phenolformaldehyde resins, aliphatic cyclic hydrocarbon resins, and aromatic hydrocarbon resin;
10 to 150 parts by weight of a filler selected from the group consisting of carbon black, silica, and starch/plasticizer composite filler; and
0.3 to 3 parts by weight of sulfur;
wherein each lug has a width in a range of from 2 cm to 10 cm and length in a range of from 2 cm to 60 cm, and a height in a range of from 2 cm to 10 cm, and wherein the tread has a net-to-gross ratio in a range of from 15 to 40 percent as measured around the entire 360° circumference of a normally inflated and normally loaded tire contacting a flat hard surface.
100 parts by weight of at least one diene based elastomer, including from 75 to 15 parts by weight of polybutadiene and 25 to 85 parts by weight of at least one additional diene based elastomer selected from the group consisting of styrene-butadiene rubber, synthetic polyisoprene and natural polyisoprene;
0.1 to 8 parts by weight of at least one accelerator selected from benzothiazoles and dithiophosphates and exclusive of sulfenamides;
1 to 15 parts by weight of at least one resin selected from phenolformaldehyde resins, aliphatic cyclic hydrocarbon resins, and aromatic hydrocarbon resin;
10 to 150 parts by weight of a filler selected from the group consisting of carbon black, silica, and starch/plasticizer composite filler; and
0.3 to 3 parts by weight of sulfur;
wherein each lug has a width in a range of from 2 cm to 10 cm and length in a range of from 2 cm to 60 cm, and a height in a range of from 2 cm to 10 cm, and wherein the tread has a net-to-gross ratio in a range of from 15 to 40 percent as measured around the entire 360° circumference of a normally inflated and normally loaded tire contacting a flat hard surface.
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