2 results for “Owens-Corning Fiberglas”
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Patent · May 24, 1938
Machine for making Tapered Cement Asbestos Shingles (US Patent 2,118,762, 1938)
…filed July 3, 1936. The patent's description opens (from the scanned text): The invention relates to apparatus for making asbestos shingle stock or any similar material which is formed. by the accumulation of successive layers…
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Patent · December 26, 1939
Shingle Making Machine (US Patent 2,184,619, 1939)
…1936. The patent's description opens (from the scanned text): The invention is illustrated in connection wit apparatus for producing ply-board from a mixture of cement and asbestos fibers which is first transferred to an…