| 摘要 |
1291026 Embossing INTERNATIONAL STANDARD ELECTRIC CORP 28 April 1971 [4 May 1970] 11839/71 Heading B6J A thermoplastics dial e.g., for a radio is clamped between two clamping members, at least one of which is heated such that a portion of the dial to be bent is heated by conduction, pressure then being applied to an unclamped portion to bend the dial, at least one of the clamping members having its surface coated with heat resistant flexible plastics or elastic material, e.g. silicone rubber. Clamping may take place between two heated rods, or between a heated rod and a block. The unclamped portion may be engaged by a roller moving in the clamping direction to effect bending. |
