Sandwich elements in the form of slabs, shells and the like
AssigneeBayer Aktiengesellschaft
InventorsUlrich Knipp, Dieter Skoupi
Life of this patent
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Abstract
Sandwich elements in the form of slabs, shells and the like, consisting of facings and a rigid polyurethane foam core can be joined together in an airtight and watertight manner when they are provided with edge profiles which are cast from casting materials forming flexible polyurethane foam and which have a groove and a tongue.
Claims8
A sandwich element comprising a rigid polyurethane foam core having sides and edges, facings covering said sides and edge profiles covering said edges, wherein said edge profiles are cast directly onto said edges from flexible polyurethane foam-forming materials and wherein said profiles have grooves and tongues.
Dependencies are inferred from the claim text.