Closed cell foam article and manufacturing method
OwnerTroy Lewisinventor
Life of this patent
Estimating the term…
Abstract
Closed cell foam articles, such as sports balls, and related manufacturing methods are disclosed herein. The article includes a main body made of closed-cell elastomeric resin foam having a density ranging between about 0.050 sg and about 0.800 sg after curing. Some articles are assembled by inserting a cured core into a main body so that the core is secured in the main body via an interference fit, and the core has one or more portions extending to the exterior surface of the main body such that the an exposed surface of the one or more exposed portions of the core blend substantially with the exterior surface of the main body.
Claims3
A method for manufacturing a closed cell foam article, comprising:
- injection molding and curing a main body of closed cell foam, the main body having an exterior surface and
- an interior surface defining a cavity extending to the exterior surface so that the cavity has one or more sections exposed at the exterior surface of the main body;
- and
- injection molding and curing a core of closed cell foam and sized to fit and substantially fill the cavity;
- and
- assembling the article by inserting the core into the main body before curing the main body such that the core is secured in the main body via a self-centering interference fit,
- and one or more exposed portions of the core align substantially with the exterior surface of the main body to form a single surface.
Dependencies are inferred from the claim text.