Puncture resistant tire assembly

Details Puncture resistant tire assembly Puncture resistant tire assembly

1996-04-10

1998-08-18

Knable, Geoffrey L.

Resilient tires and wheels

Tires, resilient

Armored

152204, 152511, 152521, B60C 1912

Patent

active

057954143

ABSTRACT:
A tire assembly (10) is provided for a pneumatic tire that gives a puncture resistant capability. The tire assembly (10) includes an inner tube (24) with an outer periphery (30) having a plurality of protruding deflectable structures (32) which are circumferentially continuous about the inner tube body (34). The deflectable structures (32) have a cross-sectional appearance that is somewhat similar to miniature, hollow fingers. The tire assembly (10) also includes a tire liner (26) that has separator structures (48) which are ridge-like in appearance and which are circumferentially continuous about the tire liner (26) as well. The separator structures (48) and deflectable structures (32) are arrayed so as to mate with one another whereby the structure of the separator structures (48) may assist the deflectable structures (32) in maintaining their finger-like shape when under load. When a tack (62) or other sharp object pierces the tire (12), it is caused to pass harmlessly between a deflectable structure (32) and a separator structure (48), the deflectable structure (32) being resiliently deflected to the side. A lubricant (66) or insert between the separator structures (48) and the deflectable structures (32) assists in the frictionless deflecture of the deflectable structures. The invention is adaptable to tubeless tires as well.

REFERENCES:
patent: 467015 (1892-01-01), Newkirk
patent: 551088 (1895-12-01), Murdock
patent: 664766 (1900-12-01), Lewis
patent: 882905 (1908-03-01), Marsh
patent: 946557 (1910-01-01), Murray
patent: 1123034 (1914-12-01), Sydney
patent: 1491504 (1924-04-01), Williams
patent: 2196814 (1940-04-01), McClay
patent: 2560609 (1951-07-01), Van Hulzen

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