| 摘要 |
<p>This invention relates to a production method and apparatus of a rubber tube. An object of the present invention is to provide an efficient production method and apparatus for a rubber tube having a smooth outer surface and this object can be accomplished by a method and apparatus characterized in that a synthetic resin under a molten state is heated from an inner peripheral side immediately before the synthetic resin is caused to flow out along the outer periphery of a rubber material layer from a die.</p> |
