Resilient tires and wheels – Tires – resilient – Pneumatic tire or inner tube
Patent
1977-09-16
1980-03-18
Lieberman, Allan
Resilient tires and wheels
Tires, resilient
Pneumatic tire or inner tube
152330R, 152353R, 260 5, 260 4232, 260 4247, 525 1, 525232, B06C 1700, C08L 700, C08L 900, C08L 906
Patent
active
041934377
ABSTRACT:
A self supporting tire having a nonstaining high modulus low hysteresis inner sidewall composition comprising: (a) 100 parts by weight of sulfur vulcanizable rubber of which from about 50 to about 95 parts by weight is natural rubber and/or cis-polyisoprene and from about 5 to about 50 parts by weight is at least one elastomer selected from the group consisting of styrene-butadiene and cis-polybutadiene; and (b) from about 25 to about 80 parts by weight of carbon black per 100 parts by weight of rubber, wherein said carbon black has a dibutyl phthalate absorption value greater than about 80 and a particle size less than about 50 milli-microns. The self supporting tire is capable of operating both as a pneumatic tire under ordinary inflated conditions and also has the capability of operating without inflation for limited distance.
REFERENCES:
patent: 3638702 (1972-02-01), Endter
patent: 3872036 (1975-03-01), Todani et al.
patent: 3934634 (1976-01-01), Verdier
patent: 3938574 (1976-02-01), Burmester et al.
patent: 3949798 (1976-04-01), Gardner et al.
patent: 3954131 (1976-05-01), Hoshino et al.
patent: 3983918 (1976-10-01), French
patent: 4082706 (1978-04-01), Danielson
Lieberman Allan
Powell Joe Allen
The B. F. Goodrich Company
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