B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 47/14 (2006.01) B29C 47/00 (2006.01) B29C 47/90 (2006.01) C08J 5/04 (2006.01) C08L 11/00 (2006.01)
Patent
CA 2046722
ABSTRACT OF THE DISCLOSURE A method for manufacturing a fiber reinforced elastic sheet by extruding and processing an elastomer containing staples by 25 volume % or less. The elastomer. which uniformly flows in a sheet width direction, passes through a slight clearance of a molding dice in the vertical direction of the sheet. and then the elastomer flow is enlarged in the vertical direction of the sheet. A flow adjustment portion is provided in a passage of the elastomer to flow uniformly in the sheet width direction, and a weir portion is provided on the downstream side of the flow adjustment portion. A clearance Wo of an outlet in the vertical direction of the sheet, a clearance Wi formed by the weir portion in the vertical direction of the sheet and a distance ? between the weir portion and the outlet have the relationship of Wo / Wi ? 2 ? ? 3Wo 0.3 mm ? Wi ? 5 mm. - 5 O
Shioyama Tsutomu
Tajima Yoshitaka
Umeda Arao
Bando Chemical Industries Ltd.
Kirby Eades Gale Baker
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