A - Human Necessities – 24 – B
Patent
A - Human Necessities
24
B
131/87
A24B 3/18 (2006.01) A23P 1/14 (2006.01)
Patent
CA 1328064
Abstract of the Disclosure An expanding apparatus of this invention includes a preparatory vessel supplied with a tobacco material. The tobacco material in the preparatory vessel is supplied to an impregnation vessel through a convey pipe. Carbon dioxide having an impregnation pressure is supplied to the impregnation vessel and is filled therein. A booster mechanism is inserted in the convey pipe to increase the pressure of carbon dioxide around the tobacco material to a pressure substantially equal to the impregnation pressure in the impregnation vessel when the tobacco material is supplied from the pre- paratory vessel to the impregnation vessel. The tobacco material impregnated in the impregnation vessel is discharged to a blow pipe through a delivery pipe and is expanded by means of a heating medium generated in the blow pipe. A debooster mechanism is inserted in the delivery pipe to reduce the pressure of carbon dioxide around the tobacco material to a pressure substantially equal to the pressure in the blow pipe when the impre- gnated material is discharged from the impregnation vessel to the blow pipe.
572772
Kobari Masao
Takeuchi Manabu
Uchiyama Kensuke
Uematsu Hiromi
Japan Tobacco Inc.
Ridout & Maybee Llp
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