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US 9,410,026 B1Granted
Rebond polyurethane foam comprising reclaimed carpet material and methods for the manufacture of same
AssigneeColumbia Insurance Company
InventorsJohn J. M. Rees, Gregory Fowler
Life of this patent
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Abstract
Disclosed are rebond polyurethane foams comprised of a plurality of polyurethane foam particles bound together to form a matrix. Reclaimed carpet material is distributed within the matrix of foam particles as a filler material. Also disclosed are methods for the manufacture of the rebond polyurethane foams disclosed herein.
Claims9
A rebond polyurethane foam, comprising:
- a plurality of preformed polyurethane foam particles bonded to one another to form a matrix;
- and
- reclaimed carpet material distributed within the matrix of polyurethane foam particles, wherein the reclaimed carpet material comprises a population of thermoplastic fibers having non-uniform linear fiber densities;
- and
- wherein the reclaimed carpet material is present in an amount of at least 35 parts by weight relative to the total amount of preformed polyurethane foam particles and reclaimed carpet material present in the rebond polyurethane foam.
2 more elements
Dependencies are inferred from the claim text.