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. 14, 1991
Filed:
Jun. 28, 1989
Armando Neri, Bologna, IT;
Mario Turra, Casalecchio Di Reno, IT;
G.D. Societa' Per Azioni, , IT;
Abstract
A device for forming perforations in rod shaped items, particularly cigaretts, comprising a transfer roller for transferring the items from a loading position to an unloading position on the periphery of the roller, the items being arranged parallel to the axis of the roller and housed in rotary bodies on the same; rotary means coaxial with the roller and designed to emit a radial coherent light (laser) beam on to a portion of the items; and an electronic control circuit for regulating the speed of the rotary means in relation to that of the transfer roller and so regulate the number of perforations formed in the aforementioned portions of the items.