Nail-deflecting, inner-tube assembly for run-flat tires

Details Nail-deflecting, inner-tube assembly for run-flat tires Nail-deflecting, inner-tube assembly for run-flat tires

1976-11-15

1979-08-14

Peters, Jr., Joseph F.

Resilient tires and wheels

Tires, resilient

Armored

152342, 152349, B60C 1700

Patent

active

041642503

ABSTRACT:
A pneumatic tire having a "run-flat" capability, is disclosed. The tire is in the form of a substantially toroidally shaped carcass having a pair of bead-reinforced sidewall regions and a crown region annularly bridging the sidewall regions. Internally of the carcass, there is provided an expandable nail-deflector for deflecting a nail that punctures, for example, the crown region. The nail deflector has a releasably constrained normal condition when the crown region is puncture-free that is annularly spaced from the interior of the crown region, and is circumferentially self-expandable into engagement with the interior of the crown region upon puncture of the latter by a nail to deflect such nail harmlessly away from its path of entry.

REFERENCES:
patent: 1253501 (1918-01-01), Lago et al.
patent: 1302970 (1919-05-01), Pritchett
patent: 1396200 (1921-11-01), Harvey et al.
patent: 2354912 (1944-08-01), Eger
patent: 3025902 (1962-03-01), Sanderson
patent: 3129743 (1964-04-01), Nonnamaker
patent: 3724521 (1973-04-01), Coddington et al.
patent: 4008743 (1977-02-01), Welch

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