Piercing device for piercing ventilating holes in cigarettes or

Electric heating – Metal heating – By arc

Patent

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Details

219121LQ, 219121LR, 219121LT, B23K 2600

Patent

active

045859191

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.

REFERENCES:
patent: 4224498 (1980-09-01), Grollimund et al.

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