发明名称 Process and apparatus for the treatment of material such as tobacco.
摘要 <p>Process and apparatus for the treatment of tobacco material and other biological materials includes a mechanism comprising a dynamic seal having components (120,122) having cooperating movable surfaces for sealing a treatment chamber (50) that substantially prevents the passage of fluid at the treatment chamber pressure during movement of the components for introducing material into and removing material from the chamber. The seal components preferably comprise advanced structural ceramic components having a hardness of at least 900 kg/mm&lt;2&gt; and a flatness of at least 70 microinches (1.8 micrometres). The process is preferably conducted at supercritical gaseous conditions.</p>
申请公布号 EP0404475(A2) 申请公布日期 1990.12.27
申请号 EP19900306604 申请日期 1990.06.18
申请人 R. J. REYNOLDS TOBACCO COMPANY 发明人 KRAMER, ANATOLY ILICH
分类号 A24B15/18;A24B3/18 主分类号 A24B15/18
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