| 摘要 |
1,184,029. Tyre building drums. GENERAL TIRE & RUBBER CO. 2 Oct., 1968 [22 Nov., 1967], No. 46799/68. Heading B7C. An expansible drum for the assembly of tyre tread reinforcement belts and tread stock comprises axially extending segments 62, the radially outer surfaces 64 of which are substantially flat, and have secured thereto strips of elastomeric material 70, each including a plurality of radially outwardly extending projections 74, which act as a guide for the location of the tyre components and prevent their axial movement. |
