Back to results
US 12,421,371 B2Granted
Pourable polyurethane foam with energy attenuating properties
AssigneeTextron Innovations Inc.
InventorSuvankar Mishra
Life of this patent
Estimating the term…
Abstract
Embodiments are directed to a pourable foam comprising a first resin component comprising a polymeric methylene diphenyl diisocyanate, a second resin component comprising a polyol, and a barium sulfate powder component. The barium sulfate powder component is combined with the second resin component prior to combining the first and second resin components. The barium sulfate component may comprise between 1% and 50% of the pourable foam. The pourable foam may be used to repair or create aircraft components.
Claims20
A pourable foam, comprising:
- a first resin component comprising a polymeric methylene diphenyl diisocyanate;
- a second resin component comprising a polyol;
- and
- a barium sulfate powder component, wherein an overall percentage of the barium sulfate component within the pourable foam is selected to create a foam cell size in the range of 0.010 to 0.017 inches.
1 more element
A pourable foam, comprising:
- a first resin component comprising a polymeric methylene diphenyl diisocyanate;
- a second resin component comprising a polyol;
- and
- a barium sulfate powder component, wherein an overall percentage of the barium sulfate component within the pourable foam is selected to create a foam cell size in the range of 0.006 to 0.012 inches.
1 more element
Dependencies are inferred from the claim text.