1 result for “Owens-Illinois”
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Patent · January 20, 1970
Process and apparatus for classifying fibres (US Patent 3,490,585, 1970)
…585 on January 20, 1970, filed January 20, 1967. The patent's description opens: The present invention relates to the size classification of fibres, and is concerned with processes and apparatus for classifying fibres for length.