Apparatus for flatproofing a tire and wheel assembly

Details Apparatus for flatproofing a tire and wheel assembly Apparatus for flatproofing a tire and wheel assembly

2006-06-27

2006-06-27

Davis, Robert (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

With mechanical means forming or expanding pores

C417S234000, C417S053000, C417S063000, C417S036000, C417S477140, C264S046900, C222S608000, C222S214000, C521S110000, C521S130000, C521S131000, C521S167000, C521S172000, C521S176000

Reexamination Certificate

active

07066724

ABSTRACT:
An apparatus is disclosed for flatproofing a tire and wheel assembly with a flexible, lightweight foam-fill by supplying at least two polyurethane reactive materials to a static mixer. The static mixer mixes the reactants, and a nucleating gas is supplied to the mixed reactants in the static mixer to form a liquid reactant mixture with entrained gas. The reactant mixture is injected into the tire and wheel assembly where the mixture reacts and foams replacing the air in the tire with a flexible, lightweight semi-open cell foam-fill. The foam-filled tire and wheel assembly is then allowed to cure.

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