| 摘要 |
1522323 Moulding tyres BAYER AG 30 Oct 1975 [19 Dec 1974] 44895/75 Heading B5A [Also in Division B7] A tyre having annular inner and outer peripheral portions interconnected by circumferentially spaced staggered connecting portions is made from a vulcanizable rubber mixture by injection moulding, e.g. at 100 kg/cm<SP>2</SP> and 145-175‹ C., in the mould shown in Fig. 7 which comprises lower and upper mould halves 11, 12, means 15 for locating wire cores in the tyre inner peripheral portion, and a pressure applying piston 13. |
