Bead core of pneumatic tire

Details Bead core of pneumatic tire Bead core of pneumatic tire

2006-04-04

2006-04-04

Johnstone, Adrienne C. (Department: 1733)

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

C245S001500

Reexamination Certificate

active

07021351

ABSTRACT:
A bead core for pneumatic tires comprised of a ring-like bead core main body11in which a single bead wire10is wound in a multi-seriate and multi-staged manner and provided with angular portions P on an outer peripheral surface S in a meridian section thereof, and staple fittings12in which a meridian section is warped in a C-shaped manner for preventing loosening of the bead wire10by surrounding the outer peripheral surface S. The staple fittings12comprise concave portions14for restricting positional shift of the staple fittings around the bead core main body11with the angular portions P entering the same. With this arrangement, it is possible to restrict positional shift of the staple fittings around the bead core and to effectively restrict damages of inner liner rubber owing to the positional shift.

REFERENCES:
patent: 903714 (1908-11-01), Hawley et al.
patent: 1665853 (1928-04-01), Leguillon
patent: 4938437 (1990-07-01), Rausch
patent: 2001/0005975 (2001-07-01), Golightly
patent: 1.251.403 (1960-12-01), None
patent: 9-315112 (1997-12-01), None

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