Resilient tires and wheels – Tires – resilient – Cushion and pneumatic combined
Reexamination Certificate
2006-06-27
2006-06-27
Johnstone, Adrienne C. (Department: 1733)
Resilient tires and wheels
Tires, resilient
Cushion and pneumatic combined
C152S520000
Reexamination Certificate
active
07066225
ABSTRACT:
The invention is a runflat insert comprising an outer contacting portion for contacting the interior surface of the tire during deflated operation; a reinforced annular band disposed radially inward of the outer contacting portion comprising an elastomeric shear layer, a membrane adhered to the radially inward extent of the elastomeric shear layer and a second membrane adhered to the radially outward extent of the elastomeric shear layer; a sidewall portion extending radially inward from the contacting portion for connecting the annular band to a base member fitted around the wheel rim for securing the insert to the rim; and a carcass layer adhered to the annular band and extending radially inward from the annular band and anchored in the base member. The elastomeric shear comprises a dienic composition that includes a metal salt of an unsaturated carboxylic acid and a peroxide curative agent.
REFERENCES:
patent: 6769465 (2004-08-01), Rhyne et al.
patent: 2004/0140032 (2004-07-01), Rhyne et al.
patent: 2004/0187996 (2004-09-01), Grah
Cron Steven M.
Demino Kenneth W.
Grah Michael D.
Rhyne Timothy B.
Arnold Adam
Compigotto Frank J.
Johnstone Adrienne C.
Michelin & Recherche et Technique S.A.
Remick E. Martin
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