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:
Apr. 29, 1986
Filed:
Sep. 10, 1984
Riccardo Mattei, Bologna, IT;
Armando Neri, Bologna, IT;
Santo R Gobbi, Pavia, IT;
Maichi Cantello, Aglie', IT;
G.D. Societa per Azioni, Bologna, IT;
Abstract
Piercing device for piercing holes in cigarettes or similar smoking commodities, in which a laser beam emitted by a continuous laser source is 'pulsated' by a mobile reflecting element, assembled in rotary manner round a fixed axis, and a fixed reflecting element optically connected to the said mobile reflecting element and provided with a faceted reflecting body in the shape of an irregular pyramid designed to define, for each 'pulse', a focus on the surface of the said cigarette being pierced, and endowed, in relation to the latter and throughout the length of the pulse, with relatively zero speed.