Abstract: A tamper resistant package comprises a packaging enclosure in the form of an open-ended sleeve or carton with a plurality of product packs inside the enclosure engaging the interior surface thereof. Each of the product packs includes outer wrap material at least a portion of which is secured to the interior surface of the enclosure. Upon removal of a product pack from the enclosure at least a portion of the outer wrap material remains within the enclosure thereby destroying the integrity of the outer wrap material which effectively prevents the product packs from being removed from the package and individually sold. The wrapping material is disturbed sufficiently so that the pack is not suitable for sale after being separated from the enclosure.

Abstract: An apparatus for testing the quality of a seal on a package overwrap having a cutting or burning element to create a hole in the package overwrap without breaching the integrity of the package; a measuring head for introducing super-atmospheric air pressure through the hole between the overwrap and the package; and a pressure transducer for determining whether the rate of air leakage from the overwrap is within acceptable limits.

Abstract: A cigarette testing device (10) detects improperly filled or missing cigarettes in groups of cigarettes in a cigarette packing machine. Tappets (20) are positioned against the ends of cigarettes (11) and the position of tappets (20) is determined by optical sensors (28). Defective cigarettes (15) are removed from the group by nozzles (24). One to one correspondence between cigarettes, tappets, sensors, and nozzle ejectors allows single defective cigarettes to be rejected without rejecting the entire group of cigarettes.