TOBACCO EXPANSION PROCESSES AND APPARATUS This invention provides tobacco expansion processes and apparatus that can be employed for expanding tobacco at rapid throughput rates employing high pressure tobacco impregnation conditions. The processes and apparatus of the invention are particularly useful in tobacco expansion processes employing cycle times of less than 20 - 30 seconds; the use of preheated, prepressurized expansion agent such as propane; preheating of tobacco batches; and/or compression of tobacco within a high pressure impregnation zone for greatly improving use of available space in a high pressure impregnation vessel.
申请公布号
CA2125628(A1)
申请公布日期
1994.12.15
申请号
CA19942125628
申请日期
1994.06.10
申请人
R. J. REYNOLDS TOBACCO COMPANY
发明人
BEARD, HOYT S.;CONRAD, LUCAS J.;CROOK, J. EDWARD;LOVETTE, JAMES E.;JOHNSON, ROBERT C.;NEWTON, DONALD A.;NESHAN, HAMID;WHITE, JACKIE L.