Process and apparatus for applying a model of granular material in a surface receptor element to transfer and apply granular material.And the process and apparatus for applying a model of granular material in a layer of material without cohesion.

摘要

Process and apparatus for applying a model of granular material in a surface receptor element to transfer and apply granular material.And the process and apparatus for applying a model of granular material in a layer of material without cohesion.A process for applying a template (21, 57) of granular material (12, 12, 12C, 12D) on a receiving surface (13) comprising in sequence: associate the said granular material (12, 12b, 12C.12D) with a surface of the transfer (3) together with a liquid phase of aggregation (9, 20) and in accordance with a prefiguration (10, 1ob, 18,56) of said model (21); and disposal in opposition to said transfer surface (3), leading to the said granular material (12, 12b, 12C, 12D) and the liquid phase (9, 20).And the said transfer surface (13) in a transfer zone (15, 45), the process comprising still warm at least part of said liquid phase (9),20) in that area of the transfer (15, 45) to release the said granular material (12, 12, 12C, 12D) of said transfer surface (3) and applying the said granular material (12, 12, 12C.12D) in said receiving surface (13).A device to apply a template (21, 57) on a receiving surface (13).Including: a surface of a transfer (3) movable along a path in an arc with a transfer zone (15).The transfer zone (15) and defined in a part facing to the said receiving surface (13); means of implementation (8, 8b, 11, 11B, 11C.12D) arranged upstream of the transfer zone (15), the said application means (8, 8b, 11 b, 11 C, 11 d), suitable for applying the said granular material (12, 12b, 12C.12D) on the surface of the transfer (3) together with a liquid phase (9) aggregation, and in accordance with a prefiguration (10, 18, 56) of the said model (21)57); the apparatus comprising a heating medium (16, 25, 26, 46, 47, t), is suitable for the sudden evaporation in the transfer zone (15) of at least part of said liquid phase (9),20) aggregation, and thereby making the said granular material (12, 12b, 12C.12D) to detach from the surface of the transfer (3) and causing the application on the receiving surface (13).