| 摘要 |
PROBLEM TO BE SOLVED: To provide a crusher capable of producing a fine fiber material for forming a sheet from waste wood, a non-wood-based raw material or the like, simply in a short time without using a chemical liquid such as sodium hydroxide.SOLUTION: A crusher capable of satisfying both increase of a crushing treatment amount and a crushing effect can be obtained, by using at least two pairs of crushing means constituted of a stone mill type disk-like grinder, and by narrowing from an upstream gradually each face-to-face distance between grinders. |
