| 摘要 |
1,020,401. Web-drying apparatus. H. FLEISSNER, H. FLEISSNER, and G. FLEISSNER, [trading as FIRMA ESTABLISHMENT FOR AUTOMATION]. May 8, 1964 [April 22, 1964], No. 19233/64. Heading F4G. In apparatus for drying web material, the web is conveyed through a housing 1 subdivided by partitions 2 into chambers 3 to 6 each having sieve drums 7 for conveyance of the web and for withdrawal of drying air thereinto through the web, and the housing has closable openings 8, 9 and 10 which are operable to effect exchange of drying air over the web as desired by co-current and/or countercurrent flow relative to movement of the web in separate parts of the housing. In a modification the sieve drums, which may be in staggered series, are positioned within a single compartment.
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