B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
18/104, 49/85
B29D 11/00 (2006.01) C03B 11/08 (2006.01) C03C 17/06 (2006.01) C23C 16/06 (2006.01)
Patent
CA 1274957
Abstract of the Disclosure Glass products such as glass lens elements are formed by an improved direct molding process at glass viscosities in the range of 108-1012 poises. Selected moldable alkali aluminofluorophosphate optical glasses are pressed to an optical surface finish in air utilizing an optically smooth titanium nitride molding surface, the surface being provided, for example, as a surface coating on a stainless steel mold or on a nickel chromium alloy mold supporting an electroless nickel base coating.
536905
Hagerty Robert James
Kingsbury Paul Irving
Shafer Harold Gordon Jr.
Corning Incorporated
Gowling Lafleur Henderson Llp
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