The continuous technique of pultrusion is used to create fiber-reinforced polymers with a consistent cross-section. The word "pull" and "extrusion" are combined to form a portmanteau. Pultrusion pulls the material in contrast to extrusion's pushing of it. J.H. Watson filed a very early pultrusions type patent in 1944. The 1950 filing by M.J. Meek came next. Rodger B. White filed a patent in...
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