Abstract:
A composite non-woven synthetic fibre mat is used for reinforcing foam plastic articles or structures. The non-woven mat consists of two non-woven fleeces being firmly bonded together. The foam plastic articles or structures are reinforced with the composite non-woven fibre mat in their marginal zones. Preferably the foam plastic is a polyurethane.
Abstract:
A marginal zone reinforcing system for the production of heavy duty sandwich constructions consisting of a three layer matting of (a) a web or mat, (b) a fiber fleece of fine fibers and (c) a fiber fleece of coarse fibers, the layers being bonded by medling.