| 摘要 |
<p>This is a method for making insulating panels of rubber or sponge rubber, of the type first requiring cold mixing of ground-up rubber or sponge rubber with binders, followed by placement of the mixture inside moulds where it is subjected to the action of pressure. The method is characterised in that the mixture while still fluid is subjected to a press with a mould and a die having an elevated temperature.</p> |
