| 摘要 |
<p>726,235. Fibrous compositions. LEJMARK, K. R. March 17, 1953 [Oct. 22, 1952], No. 7344/53. Class 70 A mixture of wood waste and a hydraulic binder or lime is introduced into a shoot 1 in which it is carried forward by conveying means at such a speed that the mixture is simultaneously stirred and conveyed. The conveying means are scrapers 2 attached to a chain 3. 10 per cent. by weight of the binder is used normally.</p> |
