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• Decade: 1970s ×
• Written by: Richard C. Breiner ×
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1 result for “Owens-Illinois”

1. Patent · September 19, 1972 · page 1

   Lehr roll millboard formed from asbestos fibers and employing colloidal silica-calcium lime and bentonite as a binder (US Patent 3,692,509, 1972)

   In the document: …state to the finished hot glass plate and are especially use Animosite asbestos fibers ------------------- 0-25 ful for handling glass as it is taken from the annealing 40 Coloidal silica --------------------------- 1.5-7 ovens or lehrs…