发明名称 Vari-flow headbox with large and small flow inlet systems
摘要 A stock delivery system is provided having a pair of inlet systems (one for large flow and one for small flow) selectively pivotally swung into operating position for charging a slurry through a perforated plate and into the following flow passage and slice which includes adjustments for optimum flow velocity by strategically-placed pivot points and adjusting mechanisms for controlling the heel and throat areas and the lip defining the slice.
申请公布号 US4980027(A) 申请公布日期 1990.12.25
申请号 US19900532795 申请日期 1990.06.04
申请人 SANDY HILL CORPORATION 发明人 KELLER, MARTIN B.
分类号 D21F1/02;D21F1/04 主分类号 D21F1/02
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