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:
May. 18, 1982
Filed:
May. 15, 1980
Willy Rudszinat, Dassendorf, DE;
Siegfried Abrahams, Richmond, VA (US);
Hauni-Werke Korber & Co. KG., Hamburg, DE;
Abstract
Cigarette packs which leave a packing machine by moving sideways so that one of the major surfaces of each pack faces forwardly are monitored for the presence of defective envelopes during travel between two endless belt conveyors. When the monitoring system or systems detect a defective pack, such system or systems generate one or more signals which are used to expel the defective pack from the path between the conveyors. The ejection is effected by changing the orientation of defective packs relative to the conveyors so as to reduce the frictional hold of conveyors upon the relatively narrow lateral faces of the defective packs with the result that the thus released defective packs can descend by gravity. The orientation of defective packs can be changed by discrete pins which move into the path of the packs from above, from below or from one side so as to be nearer to the one than to the other conveyor. This causes the defective packs to turn about axes which are located at one side of the central longitudinal vertical symmetry plane of the path for the packs between the two conveyors. That conveyor which is more distant from the axes about which defective packs are caused to turn is flanked by two endless cord-like conveyors which are held in strong frictional engagement with the defective and satisfactory packs so that a portion of a defective pack which is being turned continues to advance with the cord-like conveyors.