摘要 |
<p>1. Method of manufacturing a thermal and sound insulating panel consisting of old pieces of paper and textile waste material, characterised in that a paper paste containing 4 to 5 % solid material is formed from mixed paper items, the textile waste material is cut up and crushed in the dry condition, the crushed textile waste material is fed by blowing into the paper paste to form a homogenized mixture and the panel is then formed by a performing operation at a pressure of the order of 1kg/cm**2.</p> |