The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 06, 1983
Filed:
Sep. 21, 1981
Applicant:
Inventors:
Assignee:
Office of Monopoly, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A24B / ;
U.S. Cl.
CPC ...
131296 ; 131303 ; 131304 ;
Abstract
Tobacco stems are expanded by superheated steam in a U-shaped, tubular expansion device, which is provided with a venturi tube and cooling jackets. The superheated steam under high pressure is ejected toward the venturi tube. The rapid speed of the steam stream creates a Bernoulli flow, namely strong suction force in the venturi tube. By this force, the tobacco stems, which are being continuously supplied into a hopper from a tobacco cutter, are automatically sucked into the expansion device via the venturi tube. Tobacco stems primarily expanded in the expansion device are sent to a cyclone system and further puffed therein.