Pneumatic tire

Details Pneumatic tire Pneumatic tire

2006-06-27

2006-06-27

Aftergut, Jeff H. (Department: 1733)

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

C152S451000, C152S548000, C057S200000, C057S902000

Reexamination Certificate

active

07066229

ABSTRACT:
A pneumatic tire comprises a cord-reinforced layer such as carcass, belt, bead reinforcing layer which is made of metallic cords, each metallic cord is made up of six to twelve metallic filaments whose diameter is in a range of from 0.15 to 0.45 mm, the metallic filaments include waved filaments and unwaved filaments, each waved filament is two-dimensionally waved at a wave pitch and wave height before twisted, the wave pitch is in a range of from 5.0 to 35.0 times the diameter of the filament, and the wave height is in a range of from 0.2 to 4.0 times the diameter of the filament, and the metallic filaments are twisted together into the cord at a twist pitch of from 10 to 40 mm so that the two-dimensionally waved filaments are each subjected to a certain rotation around its axial.

REFERENCES:
patent: 4268573 (1981-05-01), Baillievier
patent: 5472033 (1995-12-01), Kawamura et al.
patent: 5722226 (1998-03-01), Matsumaru
patent: 5772809 (1998-06-01), Yanagisawa
patent: 0 551 124 (1993-07-01), None
patent: 0 976 583 (2000-02-01), None
patent: 09-228272 (1997-09-01), None
patent: 2000-045789 (2000-02-01), None

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