2 results for “Owens-Illinois”
-
Patent · August 30, 1966
Method of applying silicate to wet asbestos-slag cement sheets after formation but prior to consolidation of such sheets (US Patent 3,269,888, 1966)
…1963. It was assigned to Johns Manville. The patent's description opens: This invention relates to the manufacture of asbestoscement products, and more particularly to an improved means for the manufacture of asbestos-cement products comprising…
-
Patent · June 10, 1969
Slag cement compositions (US Patent 3,449,140, 1969)
…1965. It was assigned to Johns Manville. The patent's description opens: This invention relates to an improved hydraulic setting cement, and more particularly to means of increasingthe strengthpof hydraulic setting slag based cements and the…