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US 3,931,843 AGranted
Pneumatic tires
AssigneeDunlop Limited
InventorsReginald Harold Edwards, Geoffrey Lionel Coulter, Alan Michael Dodd
Life of this patent
Estimating the term…
Abstract
A tire and wheel assembly having a lubricant to enable it to be operated in a deflated condition without destructive heating in which one or more ingredients of the lubricant composition are enclosed in an enclosing means, the other ingredient or ingredients of the composition being placed in the inflation chamber of the assembly. The enclosing means release the first ingredient or ingredients into the inflation chamber, upon loss of inflation pressure, to form the composition.
Claims15
A pneumatic tire and rim assembly capable of being run in a deflated condition comprising:
- a. a pneumatic tire having an interior surface and mounted upon a rim to define an inflation chamber, said assembly having means to prevent the tire beads from becoming dislodged from the rim when operated in a deflated condition;
- b. means at least for lubricating contacting interior surfaces of the tire when operated in a deflated condition comprising a composition having a plurality of ingredients at least one of said ingredients being a lubricating material;
- c. said composition being carried in the assembly in at least two parts, said parts containing different ingredients or combination of ingredients;
- d. enclosing means for enclosing at least one of said parts of the composition separately from the other;
- e. the other part being carried on the interior surface of the assembly;
- f. said enclosing means being adapted to release its part of the composition into said inflation chamber upon deflation or substantial loss of inflation pressure to permit the parts of the composition to mix to bring all the ingredients of the composition together.
3 more elements
Dependencies are inferred from the claim text.