Patent ID: 11897166
Assignee: SACMI COOPERATIVA MECCANICI IMOLA SOCIETA' COOPERATIVA
Field: Other consumer goods (Other fields)
Classification: CPC B | IPC B

Claim 21:
22. The method according to claim 1, wherein, during the first hardening sub-step, the first layer is irradiated with at least an electromagnetic radiation; during the second hardening sub-step, the superficial layer is irradiated with a further electromagnetic radiation with a specific energy that is 2 to 8 times greater than the specific energy used to irradiate the first layer during the first hardening sub-step; the first layer is irradiated with a specific energy relative to the first layer ranging from 1 to 2 J/m2; the superficial layer is irradiated with a specific energy relative to the surface of the superficial layer ranging from 6 to 12 J/m2.