发明授权
- 专利标题: Profile control weir for cylinder paper machines
- 专利标题(中): 圆筒纸机的轮廓控制堰
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申请号: US09366331申请日: 1999-08-02
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公开(公告)号: US06176976B1公开(公告)日: 2001-01-23
- 发明人: Eugene Currin Carter
- 申请人: Eugene Currin Carter
- 主分类号: D21F100
- IPC分类号: D21F100
摘要:
A profile control weir for feeding dilute pulp suspension to a pond having a cylinder rotating therein which deposits pulp fibers onto a felt. The weir includes a head box having an inlet for pulp suspension disposed in a lower portion, optionally, a making board disposed along an upper front edge of the head box over which pulp suspension flows into the pond, at least three profile control boards disposed parallel to the upper front edge of the head box, each profile control board including at least one raised portion having a flat top portion, a flat lower portion, and connecting side portion.
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