Patent ID: 7896991
Filing Date: 2011-03-01
Classification: B29C,Y10T

Abstract:
1. A method for the manufacture of sheet molding compounds (SMC) comprising the steps: A) Application of a resin layer on a carrier foil, B) In-line production of a glass-fiber nonwoven of prefabricated cut glass staple fibers or prefabricated cut glass fiber rovings eliminating an inline cutting process by using an airlaid method and depositing of the nonwoven on the coated carrier foil obtained according to step A), C) Application of a further resin layer and of a further carrier foil on the areal structure obtained according to step B), characterized in that the glass-fiber nonwoven formed in step B) has an inhomogeneity of at the most 10%, weight per unit area basis, and a weight per unit area of at least 400 g/m