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, 1994
Filed:
Feb. 10, 1993
Japan Tobacco Inc., Tokyo, JP;
Abstract
A control apparatus according to the present invention comprises a hinge for rockably supporting a second upper mold, which is utilized for the final formation of a tobacco rod, right over a lower mold of a cigarette production machine, an adjusting device for adjusting the diameter of the tobacco rod by rocking the second upper mold, a pulse motor for use as a drive source for the adjusting device, a pair of sensors for measuring diametrical widths of the formed tobacco rod with respect to two directions perpendicular to each other, a central processing unit for controlling the drive of the pulse motor in accordance with output signals from the sensors so that the diameter of the tobacco rod to be formed are within an allowable range, by means of a drive controller for the pulse motor.