| 摘要 |
1,148,968. Binding glass sheets. LIBBEYOWENS-FORD GLASS CO. 1 Aug., 1967 [18 Aug., 1966], No. 35172/67. Heading C1M. Glass sheets are heated, bent and then tempered. The bending is done between complementary mould parts, one having a continuous surface and one being of ring-type. The mould parts are covered with a porous mass of felted metal fibres which contacts the glass and protects the surface. |
