Tire sealant injector
AssigneeStan’s Performance Products, LLC
InventorsDerek Bissett, Andrew Hanna
Life of this patent
Estimating the term…
Abstract
Liquid tire sealants are messy and difficult to apply using conventional re-loadable injectors and varied valve stem sizes and styles. The reloadable tire sealant injectors disclosed herein incorporate easy start plungers and/or chucks capable of interference fit with one or more of Schrader, Presta, Dunlop, or custom valve stems. A tapered-entry barrel permits a plunger to be inserted with a minimum of mess. Interference fit chucks are used with at least Schrader and Presta valve stems without re-configuration, and minimize mess, as compared to conventional designs.
Claims20
A reloadable tire sealant injector comprising:
- a barrel to receive liquid tire sealant, the barrel including:
- a priming section including an open end;
- a main section including a discharge port;
- a vent port that defines a transition between the priming section and the main section of the barrel;
- and
- a plunger to be inserted into the open end of the priming section, depressed through the priming section to vent air through the vent port, depressed past the vent port to pressurize the barrel, and depressed through the main section to discharge the liquid tire sealant from the barrel through the discharge port.
An interference fit chuck for a tire sealant injector comprising:
- a resilient housing including:
- a first section to interference fit with a first valve stem type;
- and
- a second section to interference fit with a second valve stem type;
- and
- a relief valve within the resilient housing to:
- hold liquid sealant within the resilient housing when less than a actuation pressure is applied;
- and
- release the liquid sealant when greater than the actuation pressure is applied.
A method of using a reloadable tire sealant injector comprising:
- remove a plunger from an open end of a barrel of the reloadable tire sealant injector, the barrel including a priming section and a main section;
- fill the barrel with a liquid tire sealant;
- replace the plunger in the open end of the barrel;
- depress the plunger through the priming section to vent air through a vent port that defines a transition between the priming section and the main section of the barrel;
- connect a discharge port from the main section of the barrel to a valve stem of a pneumatic tire;
- and
- further depress the plunger past the vent port to pressurize the barrel and through the main section to discharge the liquid tire sealant from the barrel through the discharge port, and into the pneumatic tire.
A reloadable tire sealant injector comprising:
- a barrel to receive liquid tire sealant, the barrel including:
- a priming section including an open end;
- and
- a main section including a discharge port;
- a vent port that defines a transition between the priming section and the main section of the barrel;
- a resilient housing including:
- a first section to interference fit with a first valve stem type;
- and
- a second section to interference fit with a second valve stem type;
- a plunger to be inserted into the open end of the priming section, depressed through the priming section to vent air through the vent port, depressed past the vent port to pressurize the barrel, and depressed through the main section to discharge liquid tire sealant from the barrel through the discharge port, through the resilient housing, and into a pneumatic tire;
- and
- a relief valve within the resilient housing to:
- hold the liquid tire sealant within the resilient housing when less than a actuation pressure is applied by depressing the plunger through the priming section;
- and
- release the liquid tire sealant through the resilient housing and into the pneumatic tire when greater than the actuation pressure is applied by depressing the plunger past the vent port and through the main section.
Dependencies are inferred from the claim text.