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US 6,685,196 B1Granted
Hydrophilic joint seal
OwnerKonrad Baerveldtinventor
Life of this patent
Estimating the term…
Abstract
A joint seal for use in joints that may be exposed to water comprises at least one layer of a compressible impregnated open cell foam. On at least a portion of the surface of the compressible foam there is positioned a hydrophilic material.
Claims6
A joint seal for use in joints that may be exposed to water comprising:
- at least one layer of a compressible impregnated open cell foam, on at least a portion of the surface of which is positioned a hydrophilic material;
- and
- at least one layer of incompressible closed cell foam, each said layer of incompressible closed cell foam being adjacent at least one of said hydrophilic material and one said layer of said open cell foam.
A joint seal for use in joints that may be exposed to water, comprising:
- at least one layer of a compressible impregnated open celled foam having a surface and a hydrophilic material positioned on at least a portion of said surface thereof, said joint seal including at least another layer of compressible impregnated open celled foam, two said layers of said open celled foam sandwiching a layer of said hydrophilic material.
A joint seal for use in joints that may be exposed to water, comprising:
- least one layer of a compressible impregnated open celled foam having a surface and a hydrophilic material positioned on at least a portion of said surface thereof, said joint seal including at least another layer of a compressible open celled foam, two said layers of said open celled foam having embedded therebetween at least one strip of said hydrophilic material.
Dependencies are inferred from the claim text.