1 result for “Owens-Corning Fiberglas”
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Patent · July 6, 1971 · page 2
Low density cork-asbestos felt and process of producing the same (US Patent 3,591,447, 1971)
In the document: …such transform the resin to the B-stage. Ovens or tunnel driers as a hopper which can be provided with means for vibrat heated by steam, infra-red or induction heating may be ing the contents…