Resilient tires and wheels – Tires – resilient – Pneumatic tire or inner tube
Patent
1993-03-31
1995-12-05
Walsh, Donald P.
Resilient tires and wheels
Tires, resilient
Pneumatic tire or inner tube
57213, 57230, 57902, 152556, B60C 900, D02G 348
Patent
active
H00015059
ABSTRACT:
A steel cord has a core strand and an outer strand. The core strand includes three wire filaments located in a core portion and each having a same diameter, and nine wires located to enclose the three wires, twisted together with the three wire filaments, and each having a diameter smaller than that of each of the three wires. The outer strand has wires located to enclose the nine wires of the core strand, twisted in a direction reverse to the twisting direction of the core strand, and having a clearance between them.
REFERENCES:
patent: 3726078 (1973-04-01), Nakamura
patent: 4158946 (1979-06-01), Bourgois
patent: 4332131 (1982-06-01), Palsky et al.
patent: 4707975 (1987-11-01), Umezawa
patent: 4783955 (1988-11-01), Uchio
patent: 4974654 (1990-12-01), Heishi
Mechanics of Pneumatic Tires, ed. Samuel Clark: US Department of Transportation, Aug. 1981, p. 303.
Practical Manual for Wire Ropes; Oct. 15, 1967; pp. 176-185.
Carroll Chrisman D.
Tokyo Rope Mfg. Co. Ltd.
Walsh Donald P.
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