| 摘要 |
A papermaking machine including the combination of an endless moving screen having an upwardly-inclined run, a primary open headbox for supplying a moving stream of a primary liquid slurry into contact with the screen for forming a first sheet-like structure on the screen, the primary headbox including a pond regulator for cooperantly defining a discharge end for enhancing the discharge of the stream of liquid slurry into the upwardly-inclined run of the screen, a secondary closed headbox in a piggyback relation to and integrated with the pond regulator for supplying a moving stream of a secondary liquid slurry into contact with the screen and the advancing first sheet-like structure.
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