Self-adhesive reinforced foam gasket
OwnerMichael S. Sylvesterinventor
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Abstract
A self-adhesive reinforced foam gasket comprising a release liner having an upper surface which is a release surface, a layer of pressure sensitive adhesive applied to the release surface, a layer of flexible polymeric film, preferably polyester film, applied to the pressure sensitive adhesive layer, and a layer of flexible foam, preferably closed cell PVC flexible foam, thermally bonded to the flexible polymeric film layer. A length of material for die-cutting the gasket therefrom is provided. The gasket may be used in automobiles and other applications.
Claims20
A self-adhesive reinforced foam gasket comprising a release liner having an upper surface which is a release surface, a layer of pressure sensitive adhesive applied to said release surface, a layer of flexible polymeric film applied to said pressure sensitive adhesive layer, a layer of flexible foam thermally bonded to said flexible polymeric film layer, said flexible polymeric film layer and said flexible foam layer being separate, distinct layers made of different materials, said gasket having a shape such that said gasket may be used effectively as a self-adhesive foam gasket.
A length of material suitable for die-cutting a self-adhesive reinforced foam gasket therefrom, said material comprising a release liner having an upper surface which is a release surface, a layer of pressure sensitive adhesive applied to said release surface, a layer of flexible polymeric film applied to said pressure sensitive adhesive layer, a layer of flexible foam thermally bonded to said flexible polymeric film layer, said flexible polymeric film layer and said flexible foam layer being separate, distinct layers made of different materials, said length of material being at least eight inches wide and at least twenty feet long and being suitable for die-cutting a self-adhesive reinforced foam gasket therefrom.
Dependencies are inferred from the claim text.