D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
92/17.3
D21F 1/00 (2006.01) D21F 1/02 (2006.01)
Patent
CA 1243527
ABSTRACT OF THE DISCLOSURE A headbox in a paper machine is improved in that there are provided a first flow path having a uniform cross-section in the widthwise direction for causing separation in a flow therethrough to give turbulence to the flow and thereby stir a raw paper liquid, and a second flow path having a uniform cross- section in the widthwise direction and disposed contiguously to and downstream of the first flow path, whose longitudinal cross-sectional area is smoothly decreased and increased to repeatedly subject the raw paper liquid to acceleration and deceleration without giving turbulence to the flow.
456882
Bando Takashi
Eguchi Akira
Fujita Norio
Fujiwara Haruyoshi
Makino Tetsuo
Mitsubishi Jukogyo Kabushiki Kaisha
Riches Mckenzie & Herbert Llp
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