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1. (WO2017055952) MARKING DEVICE

Pub. No.:    WO/2017/055952    International Application No.:    PCT/IB2016/055421
Publication Date: Fri Apr 07 01:59:59 CEST 2017 International Filing Date: Tue Sep 13 01:59:59 CEST 2016
IPC: B24C 1/04
Applicants: FRATELLI PEZZA S.R.L.
Inventors: PEZZA, Alessandro
Title: MARKING DEVICE
Abstract:
Marking device (1, 1', 1") of a substrate (10) substantially flat, concave or convex, comprising a support element (2), a marking head (4), supported by said element (2), which identifies an abutment perimeter (6) with the substrate (10) and comprising a nozzle (8) oriented so as to project a jet (12) of abrasive material under pressure through a lumen (14) circumscribed by the perimeter (6). The device then comprises guide means, mechanically interposed between the support element (2) and marking head (4) for guiding the perimeter (6) from a separation position to an abutment position with respect to the substrate (10) in a repeatable manner, a source of pressurised air (16), connected to the marking head (4) for transporting the abrasive material to the nozzle (8), and one or more driving-actuating elements (20), movable to move the marking head (4) through the guide means and that, in the abutment position, promote the projection of the jet (12) of abrasive material to mark the substrate.