1 result for “Owens-Illinois”
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Patent · December 26, 1967
Castable gunning mix (US Patent 3,360,594, 1967)
…1966. It was assigned to Harbison Walker Refractories Co. The patent's description opens: The present invention relates to improvements in refractory gunning mixtures which consist of a calcined nonplastic refractory aggregate and a plasticizing material.