| 摘要 |
1,169,121. Moulding composition for spectacle frames. OPTIPATENT A.G. 30 Nov., 1967 [20 Dec., 1966], No. 54571/67. Heading B5A. [Also in Division G2] Spectacle frames or single parts thereof are moulded from an epoxide resin together with a cycloaliphatic compound containing at least one amine group, by charging the mixture into a mould, curing and removing the cured article. The moulding is preferably carried out by injection moulding or centrifugal casting in a mould made from a silicone, epoxy resin or an unsaturated polyester. |
