Resilient tires and wheels – Tires – resilient – Pneumatic tire or inner tube
Reexamination Certificate
2008-07-08
2008-07-08
Fischer, Justin R. (Department: 1733)
Resilient tires and wheels
Tires, resilient
Pneumatic tire or inner tube
C152S531000
Reexamination Certificate
active
07395845
ABSTRACT:
A belt layer is provided at its outer side with a band layer comprising edge bands on left and right sides. When a cross sectional area of one band cord is defined as S (unit; mm2) and a modulus of the band cord when its elongation is 2% is defined as M (unit; N/mm2) and disposition density of the band cord per 1 cm of the band layer is defined as D (unit; the number of band cords/cm), an elongation resistance value K (unit; N·the number of band cords/cm) of the band layer which is determined by the following equation (1) is set to 270 or higher and 830 or lower:in-line-formulae description="In-line Formulae" end="lead"?K=S×M×D/100. (1)in-line-formulae description="In-line Formulae" end="tail"?An elongation percentage T(%) of the band cord in a tire in its natural state in which the tire is not assembled to a rim is set to 0.75% or higher and 1.2% or lower.
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patent: 5397527 (1995-03-01), Rim et al.
patent: 6557605 (2003-05-01), Yukawa et al.
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Macxhine translation of JP 2003-072316 (Mar. 12, 2003).
Birch & Stewart Kolasch & Birch, LLP
Fischer Justin R.
Sumitomo Rubber Industries Ltd.
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