| 摘要 |
<p>A mixer capable of effectively preventing the running-out of base paper during gypsum board production and an ensuing production interruption and a method of producing a gypsum board using the mixer, the mixer being provided at the slurry discharge port thereof with an attachment having a screening-out opening to thereby prevent the discharge from the mixer of large and solid lumps that are produced in the mixer to cause base paper running-out.</p> |
