Method and apparatus for injecting fluid into inflated tires

Details Method and apparatus for injecting fluid into inflated tires Method and apparatus for injecting fluid into inflated tires

1998-03-16

1999-10-05

Recla, Henry J.

Fluent material handling, with receiver or receiver coacting mea

Diverse fluid containing pressure filling systems involving...

Tire inflation

141 1, 152415, 72380, 72384, 72477, 81 156, 81 155, 81 152, B65B 3100

Patent

active

059608366

ABSTRACT:
Apparatus injects fluid such as sealing and balancing fluid into inflated tires, even two tires on a dual rim wheel, while on a vehicle. It seals to the valve stem so that the valve core can be unscrewed and retracted under pressure, providing an unobstructed fluid injection path before replacing the core without significant pressure loss. Tools for bending tire stems in situ facilitate apparatus installation. The method includes the steps of: sealing a valve assembly to the valve stem; sealing a valve core remover to the assembly; opening a valve of the assembly; passing a core engager through the valve and into the valve stem; engaging and unscrewing the core; allowing tire pressure to blow the core into the remover; closing the valve; removing the core remover; sealing a fluid dispenser to the assembly; opening the valve; dispensing the fluid; closing the valve; replacing the dispenser with the core remover; opening the valve; pushing the core into the stem; screwing the core into the stem; and removing the apparatus.

REFERENCES:
patent: 2320042 (1943-05-01), McMahan
patent: 4308766 (1982-01-01), Myers
patent: 5403417 (1995-04-01), Dudley
patent: 5472023 (1995-12-01), Fogal, Sr. et al.
patent: 5472031 (1995-12-01), Austin

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