Abstract: A method of preparing a reinforcing structure for use in manufacture a pultruded part where the reinforcing structure is pulled through a pultrusion die in a continuous longitudinal pull direction. The method includes arranging a plurality of first reinforcing fibers in a transverse direction and attaching a permeable transport web of staple fibers to the first reinforcing fibers such that the portion of the first reinforcing fibers oriented in the direction transverse comprises at least 30% of a volume of materials comprising the reinforcing structure.
Type:
Grant
Filed:
February 22, 2005
Date of Patent:
October 2, 2007
Assignee:
Pella Corporation
Inventors:
Laurence W. Davies, Peter J. Fritz, Kenneth D. Beer